./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f 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_d318fe30-687a-4fc7-96dc-b43c553fc449/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d318fe30-687a-4fc7-96dc-b43c553fc449/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d318fe30-687a-4fc7-96dc-b43c553fc449/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d318fe30-687a-4fc7-96dc-b43c553fc449/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d318fe30-687a-4fc7-96dc-b43c553fc449/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d318fe30-687a-4fc7-96dc-b43c553fc449/bin/uautomizer-tPACEb0tL8 --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 d0f26fc8ab0bdaf05de905c05e583bc491c727ef99c3d3df87bba160b541b55a --- 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-e04fb08 [2022-11-16 11:45:24,801 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:45:24,803 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:45:24,832 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:45:24,835 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:45:24,839 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:45:24,841 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:45:24,844 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:45:24,848 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:45:24,851 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:45:24,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:45:24,855 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:45:24,856 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:45:24,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:45:24,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:45:24,864 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:45:24,866 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:45:24,873 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:45:24,875 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:45:24,878 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:45:24,885 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:45:24,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:45:24,888 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:45:24,889 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:45:24,894 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:45:24,899 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:45:24,899 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:45:24,900 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:45:24,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:45:24,903 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:45:24,904 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:45:24,905 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:45:24,906 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:45:24,908 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:45:24,910 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:45:24,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:45:24,913 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:45:24,913 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:45:24,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:45:24,914 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:45:24,916 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:45:24,917 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d318fe30-687a-4fc7-96dc-b43c553fc449/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 11:45:24,960 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:45:24,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:45:24,961 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:45:24,961 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:45:24,962 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:45:24,963 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:45:24,963 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:45:24,964 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:45:24,964 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:45:24,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:45:24,965 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:45:24,965 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:45:24,966 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:45:24,966 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:45:24,966 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:45:24,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:45:24,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:45:24,967 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:45:24,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:45:24,967 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:45:24,967 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:45:24,967 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:45:24,968 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:45:24,968 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:45:24,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:45:24,968 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:45:24,970 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:45:24,970 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:45:24,970 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:45:24,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:45:24,971 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:45:24,971 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:45:24,971 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:45:24,972 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_d318fe30-687a-4fc7-96dc-b43c553fc449/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d318fe30-687a-4fc7-96dc-b43c553fc449/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0f26fc8ab0bdaf05de905c05e583bc491c727ef99c3d3df87bba160b541b55a [2022-11-16 11:45:25,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:45:25,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:45:25,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:45:25,403 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:45:25,404 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:45:25,405 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d318fe30-687a-4fc7-96dc-b43c553fc449/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c [2022-11-16 11:45:25,487 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d318fe30-687a-4fc7-96dc-b43c553fc449/bin/uautomizer-tPACEb0tL8/data/0e7d71d76/6fc6448335054ee3abff8a4281680947/FLAG3d4c57d6a [2022-11-16 11:45:26,131 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:45:26,132 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d318fe30-687a-4fc7-96dc-b43c553fc449/sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c [2022-11-16 11:45:26,147 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d318fe30-687a-4fc7-96dc-b43c553fc449/bin/uautomizer-tPACEb0tL8/data/0e7d71d76/6fc6448335054ee3abff8a4281680947/FLAG3d4c57d6a [2022-11-16 11:45:26,423 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d318fe30-687a-4fc7-96dc-b43c553fc449/bin/uautomizer-tPACEb0tL8/data/0e7d71d76/6fc6448335054ee3abff8a4281680947 [2022-11-16 11:45:26,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:45:26,430 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:45:26,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:45:26,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:45:26,446 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:45:26,447 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:45:26" (1/1) ... [2022-11-16 11:45:26,451 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3532baa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:26, skipping insertion in model container [2022-11-16 11:45:26,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:45:26" (1/1) ... [2022-11-16 11:45:26,460 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:45:26,503 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:45:26,875 WARN L229 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_d318fe30-687a-4fc7-96dc-b43c553fc449/sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c[18661,18674] [2022-11-16 11:45:26,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:45:26,899 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:45:27,035 WARN L229 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_d318fe30-687a-4fc7-96dc-b43c553fc449/sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c[18661,18674] [2022-11-16 11:45:27,047 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:45:27,071 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:45:27,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:27 WrapperNode [2022-11-16 11:45:27,072 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:45:27,074 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:45:27,074 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:45:27,074 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:45:27,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:27" (1/1) ... [2022-11-16 11:45:27,114 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:27" (1/1) ... [2022-11-16 11:45:27,162 INFO L138 Inliner]: procedures = 56, calls = 156, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 268 [2022-11-16 11:45:27,162 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:45:27,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:45:27,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:45:27,163 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:45:27,174 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:27" (1/1) ... [2022-11-16 11:45:27,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:27" (1/1) ... [2022-11-16 11:45:27,189 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:27" (1/1) ... [2022-11-16 11:45:27,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:27" (1/1) ... [2022-11-16 11:45:27,194 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:27" (1/1) ... [2022-11-16 11:45:27,205 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:27" (1/1) ... [2022-11-16 11:45:27,224 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:27" (1/1) ... [2022-11-16 11:45:27,226 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:27" (1/1) ... [2022-11-16 11:45:27,228 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:45:27,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:45:27,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:45:27,230 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:45:27,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:27" (1/1) ... [2022-11-16 11:45:27,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:45:27,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d318fe30-687a-4fc7-96dc-b43c553fc449/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:45:27,274 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d318fe30-687a-4fc7-96dc-b43c553fc449/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:45:27,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d318fe30-687a-4fc7-96dc-b43c553fc449/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:45:27,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:45:27,322 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-16 11:45:27,322 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-16 11:45:27,323 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-16 11:45:27,323 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-16 11:45:27,323 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-16 11:45:27,323 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-16 11:45:27,323 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-16 11:45:27,324 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-16 11:45:27,325 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-11-16 11:45:27,325 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-11-16 11:45:27,325 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-16 11:45:27,325 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-16 11:45:27,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:45:27,326 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-16 11:45:27,326 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-16 11:45:27,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:45:27,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:45:27,462 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:45:27,465 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:45:27,995 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:45:28,003 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:45:28,018 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 11:45:28,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:45:28 BoogieIcfgContainer [2022-11-16 11:45:28,021 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:45:28,023 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:45:28,023 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:45:28,027 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:45:28,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:45:26" (1/3) ... [2022-11-16 11:45:28,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ebee9ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:45:28, skipping insertion in model container [2022-11-16 11:45:28,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:27" (2/3) ... [2022-11-16 11:45:28,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ebee9ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:45:28, skipping insertion in model container [2022-11-16 11:45:28,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:45:28" (3/3) ... [2022-11-16 11:45:28,031 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product57.cil.c [2022-11-16 11:45:28,051 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:45:28,051 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:45:28,136 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:45:28,147 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;@6bd80f11, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:45:28,147 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:45:28,152 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 70 states have (on average 1.3857142857142857) internal successors, (97), 78 states have internal predecessors, (97), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-16 11:45:28,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-16 11:45:28,167 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:45:28,171 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] [2022-11-16 11:45:28,173 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:45:28,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:45:28,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1849570436, now seen corresponding path program 1 times [2022-11-16 11:45:28,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:45:28,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657593728] [2022-11-16 11:45:28,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:45:28,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:45:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:28,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:45:28,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:28,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:45:28,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:45:28,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657593728] [2022-11-16 11:45:28,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657593728] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:45:28,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:45:28,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:45:28,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702609463] [2022-11-16 11:45:28,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:45:28,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 11:45:28,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:45:28,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 11:45:28,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 11:45:28,603 INFO L87 Difference]: Start difference. First operand has 91 states, 70 states have (on average 1.3857142857142857) internal successors, (97), 78 states have internal predecessors, (97), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2022-11-16 11:45:28,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:45:28,685 INFO L93 Difference]: Finished difference Result 174 states and 237 transitions. [2022-11-16 11:45:28,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 11:45:28,688 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 23 [2022-11-16 11:45:28,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:45:28,710 INFO L225 Difference]: With dead ends: 174 [2022-11-16 11:45:28,710 INFO L226 Difference]: Without dead ends: 82 [2022-11-16 11:45:28,720 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 [2022-11-16 11:45:28,725 INFO L413 NwaCegarLoop]: 115 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, 115 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 [2022-11-16 11:45:28,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:45:28,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-11-16 11:45:28,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2022-11-16 11:45:28,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 63 states have (on average 1.3174603174603174) internal successors, (83), 70 states have internal predecessors, (83), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-16 11:45:28,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 106 transitions. [2022-11-16 11:45:28,796 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 106 transitions. Word has length 23 [2022-11-16 11:45:28,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:45:28,797 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 106 transitions. [2022-11-16 11:45:28,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2022-11-16 11:45:28,798 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 106 transitions. [2022-11-16 11:45:28,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-16 11:45:28,804 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:45:28,804 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] [2022-11-16 11:45:28,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:45:28,805 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:45:28,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:45:28,807 INFO L85 PathProgramCache]: Analyzing trace with hash -1054157966, now seen corresponding path program 1 times [2022-11-16 11:45:28,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:45:28,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417695710] [2022-11-16 11:45:28,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:45:28,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:45:28,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:29,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-16 11:45:29,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:29,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:45:29,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:45:29,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417695710] [2022-11-16 11:45:29,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417695710] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:45:29,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:45:29,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:45:29,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355021288] [2022-11-16 11:45:29,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:45:29,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:45:29,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:45:29,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:45:29,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:45:29,031 INFO L87 Difference]: Start difference. First operand 82 states and 106 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2022-11-16 11:45:29,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:45:29,072 INFO L93 Difference]: Finished difference Result 130 states and 168 transitions. [2022-11-16 11:45:29,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:45:29,077 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 24 [2022-11-16 11:45:29,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:45:29,078 INFO L225 Difference]: With dead ends: 130 [2022-11-16 11:45:29,078 INFO L226 Difference]: Without dead ends: 73 [2022-11-16 11:45:29,082 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 [2022-11-16 11:45:29,083 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 12 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 170 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 [2022-11-16 11:45:29,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 170 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:45:29,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-11-16 11:45:29,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2022-11-16 11:45:29,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 57 states have (on average 1.3333333333333333) internal successors, (76), 64 states have internal predecessors, (76), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-16 11:45:29,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 94 transitions. [2022-11-16 11:45:29,104 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 94 transitions. Word has length 24 [2022-11-16 11:45:29,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:45:29,106 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 94 transitions. [2022-11-16 11:45:29,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2022-11-16 11:45:29,106 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 94 transitions. [2022-11-16 11:45:29,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-16 11:45:29,111 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:45:29,111 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:45:29,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:45:29,111 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:45:29,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:45:29,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1057029214, now seen corresponding path program 1 times [2022-11-16 11:45:29,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:45:29,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416677773] [2022-11-16 11:45:29,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:45:29,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:45:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:29,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-16 11:45:29,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:29,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:45:29,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:45:29,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416677773] [2022-11-16 11:45:29,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416677773] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:45:29,244 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:45:29,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:45:29,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552802526] [2022-11-16 11:45:29,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:45:29,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:45:29,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:45:29,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:45:29,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:45:29,247 INFO L87 Difference]: Start difference. First operand 73 states and 94 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2022-11-16 11:45:29,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:45:29,286 INFO L93 Difference]: Finished difference Result 139 states and 182 transitions. [2022-11-16 11:45:29,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:45:29,293 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 28 [2022-11-16 11:45:29,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:45:29,295 INFO L225 Difference]: With dead ends: 139 [2022-11-16 11:45:29,295 INFO L226 Difference]: Without dead ends: 73 [2022-11-16 11:45:29,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:45:29,297 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 76 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 92 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 [2022-11-16 11:45:29,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 92 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:45:29,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-11-16 11:45:29,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2022-11-16 11:45:29,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 57 states have (on average 1.3157894736842106) internal successors, (75), 64 states have internal predecessors, (75), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-16 11:45:29,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 93 transitions. [2022-11-16 11:45:29,314 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 93 transitions. Word has length 28 [2022-11-16 11:45:29,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:45:29,315 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 93 transitions. [2022-11-16 11:45:29,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2022-11-16 11:45:29,315 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 93 transitions. [2022-11-16 11:45:29,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-16 11:45:29,321 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:45:29,322 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] [2022-11-16 11:45:29,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:45:29,322 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:45:29,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:45:29,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1228134254, now seen corresponding path program 1 times [2022-11-16 11:45:29,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:45:29,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226414320] [2022-11-16 11:45:29,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:45:29,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:45:29,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:29,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 11:45:29,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:29,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:45:29,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:45:29,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226414320] [2022-11-16 11:45:29,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226414320] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:45:29,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:45:29,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:45:29,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711302857] [2022-11-16 11:45:29,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:45:29,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:45:29,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:45:29,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:45:29,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:45:29,483 INFO L87 Difference]: Start difference. First operand 73 states and 93 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2022-11-16 11:45:29,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:45:29,521 INFO L93 Difference]: Finished difference Result 182 states and 237 transitions. [2022-11-16 11:45:29,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:45:29,522 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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 36 [2022-11-16 11:45:29,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:45:29,524 INFO L225 Difference]: With dead ends: 182 [2022-11-16 11:45:29,524 INFO L226 Difference]: Without dead ends: 116 [2022-11-16 11:45:29,525 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 [2022-11-16 11:45:29,526 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 58 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:45:29,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 164 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:45:29,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2022-11-16 11:45:29,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2022-11-16 11:45:29,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 88 states have (on average 1.2954545454545454) internal successors, (114), 96 states have internal predecessors, (114), 13 states have call successors, (13), 12 states have call predecessors, (13), 12 states have return successors, (17), 13 states have call predecessors, (17), 13 states have call successors, (17) [2022-11-16 11:45:29,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 144 transitions. [2022-11-16 11:45:29,548 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 144 transitions. Word has length 36 [2022-11-16 11:45:29,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:45:29,549 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 144 transitions. [2022-11-16 11:45:29,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2022-11-16 11:45:29,549 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 144 transitions. [2022-11-16 11:45:29,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-16 11:45:29,551 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:45:29,551 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] [2022-11-16 11:45:29,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:45:29,551 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:45:29,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:45:29,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1893109632, now seen corresponding path program 1 times [2022-11-16 11:45:29,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:45:29,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001127911] [2022-11-16 11:45:29,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:45:29,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:45:29,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:29,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-16 11:45:29,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:29,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:45:29,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:29,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 11:45:29,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:29,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:45:29,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:45:29,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001127911] [2022-11-16 11:45:29,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001127911] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:45:29,778 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:45:29,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:45:29,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497464150] [2022-11-16 11:45:29,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:45:29,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:45:29,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:45:29,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:45:29,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:45:29,781 INFO L87 Difference]: Start difference. First operand 114 states and 144 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 11:45:30,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:45:30,135 INFO L93 Difference]: Finished difference Result 382 states and 509 transitions. [2022-11-16 11:45:30,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 11:45:30,136 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 44 [2022-11-16 11:45:30,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:45:30,139 INFO L225 Difference]: With dead ends: 382 [2022-11-16 11:45:30,139 INFO L226 Difference]: Without dead ends: 275 [2022-11-16 11:45:30,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2022-11-16 11:45:30,141 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 206 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:45:30,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 387 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 11:45:30,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2022-11-16 11:45:30,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 224. [2022-11-16 11:45:30,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 173 states have (on average 1.277456647398844) internal successors, (221), 184 states have internal predecessors, (221), 26 states have call successors, (26), 22 states have call predecessors, (26), 24 states have return successors, (40), 26 states have call predecessors, (40), 26 states have call successors, (40) [2022-11-16 11:45:30,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 287 transitions. [2022-11-16 11:45:30,176 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 287 transitions. Word has length 44 [2022-11-16 11:45:30,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:45:30,176 INFO L495 AbstractCegarLoop]: Abstraction has 224 states and 287 transitions. [2022-11-16 11:45:30,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 11:45:30,177 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 287 transitions. [2022-11-16 11:45:30,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-16 11:45:30,178 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:45:30,178 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] [2022-11-16 11:45:30,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:45:30,178 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:45:30,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:45:30,179 INFO L85 PathProgramCache]: Analyzing trace with hash -2111964350, now seen corresponding path program 1 times [2022-11-16 11:45:30,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:45:30,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365845608] [2022-11-16 11:45:30,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:45:30,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:45:30,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:30,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-16 11:45:30,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:30,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:45:30,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:30,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 11:45:30,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:30,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:45:30,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:45:30,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365845608] [2022-11-16 11:45:30,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365845608] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:45:30,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:45:30,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 11:45:30,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449487415] [2022-11-16 11:45:30,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:45:30,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 11:45:30,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:45:30,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 11:45:30,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:45:30,331 INFO L87 Difference]: Start difference. First operand 224 states and 287 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 11:45:30,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:45:30,703 INFO L93 Difference]: Finished difference Result 664 states and 877 transitions. [2022-11-16 11:45:30,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-16 11:45:30,704 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 44 [2022-11-16 11:45:30,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:45:30,708 INFO L225 Difference]: With dead ends: 664 [2022-11-16 11:45:30,708 INFO L226 Difference]: Without dead ends: 447 [2022-11-16 11:45:30,709 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-11-16 11:45:30,710 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 156 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:45:30,711 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 404 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 11:45:30,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2022-11-16 11:45:30,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 427. [2022-11-16 11:45:30,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 326 states have (on average 1.2453987730061349) internal successors, (406), 347 states have internal predecessors, (406), 52 states have call successors, (52), 44 states have call predecessors, (52), 48 states have return successors, (84), 52 states have call predecessors, (84), 52 states have call successors, (84) [2022-11-16 11:45:30,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 542 transitions. [2022-11-16 11:45:30,768 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 542 transitions. Word has length 44 [2022-11-16 11:45:30,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:45:30,768 INFO L495 AbstractCegarLoop]: Abstraction has 427 states and 542 transitions. [2022-11-16 11:45:30,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 11:45:30,769 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 542 transitions. [2022-11-16 11:45:30,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-16 11:45:30,770 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:45:30,770 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:45:30,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 11:45:30,770 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:45:30,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:45:30,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1296369978, now seen corresponding path program 1 times [2022-11-16 11:45:30,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:45:30,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313345253] [2022-11-16 11:45:30,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:45:30,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:45:30,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:30,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 11:45:30,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:30,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-16 11:45:30,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:30,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:45:30,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:30,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-16 11:45:30,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:30,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:45:30,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:45:30,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313345253] [2022-11-16 11:45:30,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313345253] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:45:30,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:45:30,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 11:45:30,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983740679] [2022-11-16 11:45:30,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:45:30,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 11:45:30,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:45:30,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 11:45:30,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:45:30,976 INFO L87 Difference]: Start difference. First operand 427 states and 542 transitions. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-16 11:45:31,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:45:31,517 INFO L93 Difference]: Finished difference Result 449 states and 570 transitions. [2022-11-16 11:45:31,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 11:45:31,517 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 48 [2022-11-16 11:45:31,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:45:31,521 INFO L225 Difference]: With dead ends: 449 [2022-11-16 11:45:31,521 INFO L226 Difference]: Without dead ends: 447 [2022-11-16 11:45:31,521 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2022-11-16 11:45:31,522 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 187 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-16 11:45:31,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 133 Invalid, 474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 421 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-16 11:45:31,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2022-11-16 11:45:31,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 427. [2022-11-16 11:45:31,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 326 states have (on average 1.2361963190184049) internal successors, (403), 347 states have internal predecessors, (403), 52 states have call successors, (52), 44 states have call predecessors, (52), 48 states have return successors, (84), 52 states have call predecessors, (84), 52 states have call successors, (84) [2022-11-16 11:45:31,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 539 transitions. [2022-11-16 11:45:31,573 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 539 transitions. Word has length 48 [2022-11-16 11:45:31,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:45:31,573 INFO L495 AbstractCegarLoop]: Abstraction has 427 states and 539 transitions. [2022-11-16 11:45:31,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-16 11:45:31,574 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 539 transitions. [2022-11-16 11:45:31,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-16 11:45:31,575 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:45:31,575 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] [2022-11-16 11:45:31,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 11:45:31,576 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:45:31,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:45:31,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1189024351, now seen corresponding path program 1 times [2022-11-16 11:45:31,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:45:31,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429139281] [2022-11-16 11:45:31,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:45:31,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:45:31,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:31,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 11:45:31,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:31,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-16 11:45:31,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:31,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:45:31,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:31,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-16 11:45:31,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:31,715 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 11:45:31,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:45:31,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429139281] [2022-11-16 11:45:31,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429139281] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:45:31,715 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:45:31,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 11:45:31,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654432727] [2022-11-16 11:45:31,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:45:31,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 11:45:31,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:45:31,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 11:45:31,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:45:31,717 INFO L87 Difference]: Start difference. First operand 427 states and 539 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 11:45:32,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:45:32,124 INFO L93 Difference]: Finished difference Result 881 states and 1148 transitions. [2022-11-16 11:45:32,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 11:45:32,129 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 54 [2022-11-16 11:45:32,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:45:32,135 INFO L225 Difference]: With dead ends: 881 [2022-11-16 11:45:32,135 INFO L226 Difference]: Without dead ends: 461 [2022-11-16 11:45:32,137 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-16 11:45:32,138 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 125 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 11:45:32,138 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 134 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 11:45:32,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2022-11-16 11:45:32,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 439. [2022-11-16 11:45:32,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 338 states have (on average 1.227810650887574) internal successors, (415), 359 states have internal predecessors, (415), 52 states have call successors, (52), 44 states have call predecessors, (52), 48 states have return successors, (84), 52 states have call predecessors, (84), 52 states have call successors, (84) [2022-11-16 11:45:32,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 551 transitions. [2022-11-16 11:45:32,188 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 551 transitions. Word has length 54 [2022-11-16 11:45:32,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:45:32,188 INFO L495 AbstractCegarLoop]: Abstraction has 439 states and 551 transitions. [2022-11-16 11:45:32,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 11:45:32,189 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 551 transitions. [2022-11-16 11:45:32,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-16 11:45:32,190 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:45:32,190 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] [2022-11-16 11:45:32,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 11:45:32,190 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:45:32,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:45:32,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1126984737, now seen corresponding path program 1 times [2022-11-16 11:45:32,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:45:32,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88553417] [2022-11-16 11:45:32,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:45:32,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:45:32,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:32,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 11:45:32,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:32,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-16 11:45:32,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:32,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:45:32,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:32,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-16 11:45:32,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:32,353 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 11:45:32,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:45:32,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88553417] [2022-11-16 11:45:32,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88553417] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:45:32,379 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:45:32,379 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 11:45:32,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31219121] [2022-11-16 11:45:32,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:45:32,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 11:45:32,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:45:32,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 11:45:32,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:45:32,381 INFO L87 Difference]: Start difference. First operand 439 states and 551 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-16 11:45:32,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:45:32,763 INFO L93 Difference]: Finished difference Result 795 states and 1012 transitions. [2022-11-16 11:45:32,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 11:45:32,763 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 54 [2022-11-16 11:45:32,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:45:32,767 INFO L225 Difference]: With dead ends: 795 [2022-11-16 11:45:32,767 INFO L226 Difference]: Without dead ends: 363 [2022-11-16 11:45:32,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-16 11:45:32,771 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 212 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 11:45:32,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 110 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 11:45:32,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2022-11-16 11:45:32,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 355. [2022-11-16 11:45:32,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 272 states have (on average 1.2058823529411764) internal successors, (328), 289 states have internal predecessors, (328), 42 states have call successors, (42), 36 states have call predecessors, (42), 40 states have return successors, (59), 42 states have call predecessors, (59), 42 states have call successors, (59) [2022-11-16 11:45:32,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 429 transitions. [2022-11-16 11:45:32,817 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 429 transitions. Word has length 54 [2022-11-16 11:45:32,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:45:32,817 INFO L495 AbstractCegarLoop]: Abstraction has 355 states and 429 transitions. [2022-11-16 11:45:32,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-16 11:45:32,818 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 429 transitions. [2022-11-16 11:45:32,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-16 11:45:32,819 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:45:32,819 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:45:32,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 11:45:32,819 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:45:32,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:45:32,820 INFO L85 PathProgramCache]: Analyzing trace with hash -666503357, now seen corresponding path program 1 times [2022-11-16 11:45:32,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:45:32,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071317635] [2022-11-16 11:45:32,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:45:32,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:45:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:32,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:45:32,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:32,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 11:45:32,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:32,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 11:45:32,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:33,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:45:33,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:33,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-16 11:45:33,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:33,088 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 11:45:33,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:45:33,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071317635] [2022-11-16 11:45:33,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071317635] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:45:33,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [599368478] [2022-11-16 11:45:33,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:45:33,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:45:33,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d318fe30-687a-4fc7-96dc-b43c553fc449/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:45:33,095 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d318fe30-687a-4fc7-96dc-b43c553fc449/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:45:33,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d318fe30-687a-4fc7-96dc-b43c553fc449/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 11:45:33,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:33,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-16 11:45:33,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:45:33,537 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:45:33,537 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:45:33,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [599368478] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:45:33,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 11:45:33,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [14] total 19 [2022-11-16 11:45:33,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630307773] [2022-11-16 11:45:33,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:45:33,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 11:45:33,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:45:33,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 11:45:33,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2022-11-16 11:45:33,540 INFO L87 Difference]: Start difference. First operand 355 states and 429 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 3 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-16 11:45:33,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:45:33,700 INFO L93 Difference]: Finished difference Result 691 states and 839 transitions. [2022-11-16 11:45:33,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:45:33,701 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 3 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) Word has length 58 [2022-11-16 11:45:33,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:45:33,703 INFO L225 Difference]: With dead ends: 691 [2022-11-16 11:45:33,703 INFO L226 Difference]: Without dead ends: 343 [2022-11-16 11:45:33,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2022-11-16 11:45:33,705 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 69 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:45:33,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 487 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:45:33,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2022-11-16 11:45:33,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 341. [2022-11-16 11:45:33,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 261 states have (on average 1.1915708812260537) internal successors, (311), 277 states have internal predecessors, (311), 41 states have call successors, (41), 36 states have call predecessors, (41), 38 states have return successors, (51), 40 states have call predecessors, (51), 41 states have call successors, (51) [2022-11-16 11:45:33,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 403 transitions. [2022-11-16 11:45:33,739 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 403 transitions. Word has length 58 [2022-11-16 11:45:33,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:45:33,740 INFO L495 AbstractCegarLoop]: Abstraction has 341 states and 403 transitions. [2022-11-16 11:45:33,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 3 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-16 11:45:33,740 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 403 transitions. [2022-11-16 11:45:33,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-16 11:45:33,741 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:45:33,742 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:45:33,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d318fe30-687a-4fc7-96dc-b43c553fc449/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 11:45:33,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d318fe30-687a-4fc7-96dc-b43c553fc449/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-16 11:45:33,948 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:45:33,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:45:33,949 INFO L85 PathProgramCache]: Analyzing trace with hash 759895721, now seen corresponding path program 1 times [2022-11-16 11:45:33,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:45:33,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318905332] [2022-11-16 11:45:33,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:45:33,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:45:33,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:34,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:45:34,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:34,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-16 11:45:34,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:34,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:45:34,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:34,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:45:34,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:34,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 11:45:34,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:34,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-16 11:45:34,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:34,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-16 11:45:34,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:34,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:45:34,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:34,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-16 11:45:34,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:34,248 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-16 11:45:34,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:45:34,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318905332] [2022-11-16 11:45:34,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318905332] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:45:34,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [237983101] [2022-11-16 11:45:34,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:45:34,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:45:34,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d318fe30-687a-4fc7-96dc-b43c553fc449/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:45:34,250 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d318fe30-687a-4fc7-96dc-b43c553fc449/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:45:34,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d318fe30-687a-4fc7-96dc-b43c553fc449/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 11:45:34,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:34,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-16 11:45:34,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:45:34,508 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 11:45:34,508 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:45:34,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [237983101] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:45:34,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 11:45:34,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 10 [2022-11-16 11:45:34,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692730896] [2022-11-16 11:45:34,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:45:34,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:45:34,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:45:34,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:45:34,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-11-16 11:45:34,510 INFO L87 Difference]: Start difference. First operand 341 states and 403 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-16 11:45:34,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:45:34,736 INFO L93 Difference]: Finished difference Result 1046 states and 1325 transitions. [2022-11-16 11:45:34,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 11:45:34,737 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 96 [2022-11-16 11:45:34,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:45:34,743 INFO L225 Difference]: With dead ends: 1046 [2022-11-16 11:45:34,743 INFO L226 Difference]: Without dead ends: 802 [2022-11-16 11:45:34,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 111 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2022-11-16 11:45:34,745 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 165 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 670 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:45:34,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 670 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:45:34,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 802 states. [2022-11-16 11:45:34,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 802 to 724. [2022-11-16 11:45:34,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 724 states, 548 states have (on average 1.1934306569343065) internal successors, (654), 578 states have internal predecessors, (654), 92 states have call successors, (92), 78 states have call predecessors, (92), 83 states have return successors, (157), 95 states have call predecessors, (157), 92 states have call successors, (157) [2022-11-16 11:45:34,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 903 transitions. [2022-11-16 11:45:34,826 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 903 transitions. Word has length 96 [2022-11-16 11:45:34,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:45:34,827 INFO L495 AbstractCegarLoop]: Abstraction has 724 states and 903 transitions. [2022-11-16 11:45:34,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-16 11:45:34,827 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 903 transitions. [2022-11-16 11:45:34,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-16 11:45:34,836 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:45:34,836 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:45:34,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d318fe30-687a-4fc7-96dc-b43c553fc449/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 11:45:35,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d318fe30-687a-4fc7-96dc-b43c553fc449/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-16 11:45:35,047 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:45:35,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:45:35,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1045542613, now seen corresponding path program 1 times [2022-11-16 11:45:35,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:45:35,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283331277] [2022-11-16 11:45:35,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:45:35,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:45:35,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:35,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:45:35,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:35,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-16 11:45:35,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:35,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:45:35,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:35,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:45:35,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:35,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 11:45:35,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:35,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-16 11:45:35,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:35,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-16 11:45:35,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:35,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:45:35,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:35,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-16 11:45:35,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:35,251 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 11:45:35,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:45:35,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283331277] [2022-11-16 11:45:35,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283331277] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:45:35,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1832297177] [2022-11-16 11:45:35,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:45:35,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:45:35,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d318fe30-687a-4fc7-96dc-b43c553fc449/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:45:35,254 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d318fe30-687a-4fc7-96dc-b43c553fc449/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:45:35,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d318fe30-687a-4fc7-96dc-b43c553fc449/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 11:45:35,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:35,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 11:45:35,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:45:35,450 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-16 11:45:35,450 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:45:35,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1832297177] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:45:35,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 11:45:35,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2022-11-16 11:45:35,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593950162] [2022-11-16 11:45:35,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:45:35,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:45:35,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:45:35,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:45:35,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-11-16 11:45:35,453 INFO L87 Difference]: Start difference. First operand 724 states and 903 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-16 11:45:35,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:45:35,539 INFO L93 Difference]: Finished difference Result 995 states and 1236 transitions. [2022-11-16 11:45:35,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:45:35,540 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 96 [2022-11-16 11:45:35,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:45:35,542 INFO L225 Difference]: With dead ends: 995 [2022-11-16 11:45:35,542 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 11:45:35,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2022-11-16 11:45:35,549 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 36 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 331 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 [2022-11-16 11:45:35,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 331 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:45:35,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 11:45:35,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 11:45:35,551 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) [2022-11-16 11:45:35,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 11:45:35,552 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 96 [2022-11-16 11:45:35,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:45:35,552 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:45:35,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-16 11:45:35,552 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 11:45:35,553 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 11:45:35,556 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 11:45:35,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d318fe30-687a-4fc7-96dc-b43c553fc449/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-16 11:45:35,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d318fe30-687a-4fc7-96dc-b43c553fc449/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:45:35,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 11:45:40,635 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 586 592) no Hoare annotation was computed. [2022-11-16 11:45:40,635 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 586 592) the Hoare annotation is: true [2022-11-16 11:45:40,635 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 897 908) the Hoare annotation is: (let ((.cse1 (not (= ~pumpRunning~0 0))) (.cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 (not (<= 1 ~waterLevel~0)) .cse3 (not (<= 1 |old(~methaneLevelCritical~0)|))) (or .cse0 .cse2 .cse3 (not (<= 2 ~waterLevel~0))))) [2022-11-16 11:45:40,636 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 897 908) no Hoare annotation was computed. [2022-11-16 11:45:40,636 INFO L899 garLoopResultBuilder]: For program point L901-1(lines 897 908) no Hoare annotation was computed. [2022-11-16 11:45:40,636 INFO L902 garLoopResultBuilder]: At program point L800(lines 775 804) the Hoare annotation is: true [2022-11-16 11:45:40,636 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 775 804) no Hoare annotation was computed. [2022-11-16 11:45:40,636 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 775 804) the Hoare annotation is: true [2022-11-16 11:45:40,636 INFO L899 garLoopResultBuilder]: For program point L796(line 796) no Hoare annotation was computed. [2022-11-16 11:45:40,637 INFO L899 garLoopResultBuilder]: For program point L789(lines 789 793) no Hoare annotation was computed. [2022-11-16 11:45:40,637 INFO L902 garLoopResultBuilder]: At program point L789-1(lines 789 793) the Hoare annotation is: true [2022-11-16 11:45:40,637 INFO L899 garLoopResultBuilder]: For program point L786(line 786) no Hoare annotation was computed. [2022-11-16 11:45:40,637 INFO L902 garLoopResultBuilder]: At program point L785-2(lines 785 799) the Hoare annotation is: true [2022-11-16 11:45:40,637 INFO L902 garLoopResultBuilder]: At program point L781(line 781) the Hoare annotation is: true [2022-11-16 11:45:40,637 INFO L899 garLoopResultBuilder]: For program point L781-1(line 781) no Hoare annotation was computed. [2022-11-16 11:45:40,638 INFO L895 garLoopResultBuilder]: At program point L634(line 634) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 1 |old(~waterLevel~0)|))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse4) (or .cse1 .cse3 .cse5))) [2022-11-16 11:45:40,638 INFO L895 garLoopResultBuilder]: At program point L969(lines 964 972) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 ~waterLevel~0))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 1 |old(~waterLevel~0)|))) (.cse4 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse6) (or .cse1 .cse3 .cse5 .cse6) (or .cse0 .cse1 .cse2 .cse4))) [2022-11-16 11:45:40,638 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 562 585) no Hoare annotation was computed. [2022-11-16 11:45:40,638 INFO L895 garLoopResultBuilder]: At program point L676(lines 671 678) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (<= 1 |old(~waterLevel~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (and (= |timeShift_isLowWaterSensorDry_#res#1| 0) (= ~pumpRunning~0 0) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 |timeShift_processEnvironment_~tmp~6#1|) (= |timeShift_isLowWaterLevel_~tmp~9#1| 0) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~3#1|) (<= 1 ~waterLevel~0))) (.cse3 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse1) (or .cse4 .cse0 .cse5 .cse6) (or .cse0 .cse6 .cse2 .cse3))) [2022-11-16 11:45:40,639 INFO L899 garLoopResultBuilder]: For program point L65(lines 65 71) no Hoare annotation was computed. [2022-11-16 11:45:40,639 INFO L895 garLoopResultBuilder]: At program point L639(line 639) the Hoare annotation is: (let ((.cse8 (= ~pumpRunning~0 0))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse6 (and .cse8 (= ~waterLevel~0 1))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse8 (<= 2 ~waterLevel~0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse2 .cse6) (or .cse4 .cse5 .cse0 .cse7 .cse6) (or .cse0 .cse1 .cse7 .cse3)))) [2022-11-16 11:45:40,639 INFO L895 garLoopResultBuilder]: At program point L639-1(lines 620 644) the Hoare annotation is: (let ((.cse12 (= 1 ~systemActive~0)) (.cse13 (<= 1 ~methaneLevelCritical~0)) (.cse11 (= ~pumpRunning~0 0)) (.cse14 (<= 1 ~waterLevel~0))) (let ((.cse1 (not (= |old(~waterLevel~0)| 1))) (.cse4 (= ~waterLevel~0 1)) (.cse6 (and (= |timeShift_isLowWaterSensorDry_#res#1| 0) .cse11 (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 |timeShift_processEnvironment_~tmp~6#1|) (= |timeShift_isLowWaterLevel_~tmp~9#1| 0) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~3#1|) .cse14)) (.cse3 (not .cse13)) (.cse7 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse11 .cse13 .cse12 .cse14)) (.cse8 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not .cse12)) (.cse9 (<= 2 ~waterLevel~0)) (.cse10 (not (<= 1 |old(~waterLevel~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5 .cse4) (or .cse2 .cse3 .cse6 .cse7 .cse8) (or .cse0 .cse2 .cse9 .cse3 .cse8) (or .cse2 .cse9 .cse5 .cse6 .cse8) (or .cse0 .cse2 .cse10 .cse3 .cse7) (or .cse0 .cse2 .cse9 .cse5 .cse8) (or .cse0 .cse11 .cse2 .cse9 .cse10 .cse5)))) [2022-11-16 11:45:40,639 INFO L899 garLoopResultBuilder]: For program point L61(lines 61 74) no Hoare annotation was computed. [2022-11-16 11:45:40,639 INFO L899 garLoopResultBuilder]: For program point L573-1(lines 573 579) no Hoare annotation was computed. [2022-11-16 11:45:40,640 INFO L895 garLoopResultBuilder]: At program point L61-1(lines 53 77) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0)) (.cse17 (<= 1 ~methaneLevelCritical~0)) (.cse18 (= 1 ~systemActive~0)) (.cse7 (= |timeShift___utac_acc__Specification1_spec__1_~tmp~0#1| 0)) (.cse19 (<= 2 ~waterLevel~0))) (let ((.cse5 (and .cse7 .cse19)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse9 (= |timeShift_isLowWaterSensorDry_#res#1| 0)) (.cse10 (<= 1 |timeShift_isLowWaterLevel_#res#1|)) (.cse11 (<= 1 |timeShift_processEnvironment_~tmp~6#1|)) (.cse12 (= |timeShift_isLowWaterLevel_~tmp~9#1| 0)) (.cse13 (<= 1 |timeShift_isLowWaterLevel_~tmp___0~3#1|)) (.cse14 (<= 1 ~waterLevel~0)) (.cse1 (not (= |old(~waterLevel~0)| 1))) (.cse4 (= ~waterLevel~0 1)) (.cse15 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6 .cse17 .cse19 .cse18)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not .cse18)) (.cse16 (not .cse17)) (.cse8 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse5 (not (<= 1 |old(~waterLevel~0)|)) (and .cse6 .cse7) .cse3) (or .cse0 .cse2 .cse5 .cse3 .cse8) (or .cse2 .cse5 .cse3 (and .cse9 .cse6 .cse7 .cse10 .cse11 .cse12 .cse13 .cse14) .cse8) (or .cse15 .cse2 .cse16 (and .cse9 .cse6 .cse10 .cse11 .cse12 .cse13 .cse14) .cse8) (or .cse0 .cse1 .cse2 .cse16 (and .cse6 .cse4)) (or .cse15 .cse0 .cse2 .cse16 .cse8)))) [2022-11-16 11:45:40,640 INFO L899 garLoopResultBuilder]: For program point L763(lines 763 767) no Hoare annotation was computed. [2022-11-16 11:45:40,640 INFO L899 garLoopResultBuilder]: For program point L763-2(lines 763 767) no Hoare annotation was computed. [2022-11-16 11:45:40,640 INFO L899 garLoopResultBuilder]: For program point L978(line 978) no Hoare annotation was computed. [2022-11-16 11:45:40,640 INFO L899 garLoopResultBuilder]: For program point L566-1(lines 565 584) no Hoare annotation was computed. [2022-11-16 11:45:40,640 INFO L899 garLoopResultBuilder]: For program point L628(lines 628 636) no Hoare annotation was computed. [2022-11-16 11:45:40,640 INFO L895 garLoopResultBuilder]: At program point L979(lines 974 981) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 1 |old(~waterLevel~0)|))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse4) (or .cse1 .cse3 .cse5))) [2022-11-16 11:45:40,641 INFO L899 garLoopResultBuilder]: For program point L624(lines 624 641) no Hoare annotation was computed. [2022-11-16 11:45:40,641 INFO L895 garLoopResultBuilder]: At program point L769(lines 754 772) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 1 |old(~waterLevel~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (= |timeShift_isLowWaterLevel_~tmp~9#1| 0) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~3#1|) (<= 1 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4) (or .cse5 .cse1 .cse3 .cse6) (or .cse5 .cse1 .cse4 .cse6))) [2022-11-16 11:45:40,641 INFO L895 garLoopResultBuilder]: At program point L59(line 59) the Hoare annotation is: (let ((.cse12 (= 1 ~systemActive~0)) (.cse13 (<= 1 ~methaneLevelCritical~0)) (.cse11 (= ~pumpRunning~0 0)) (.cse14 (<= 1 ~waterLevel~0))) (let ((.cse1 (not (= |old(~waterLevel~0)| 1))) (.cse4 (= ~waterLevel~0 1)) (.cse6 (and (= |timeShift_isLowWaterSensorDry_#res#1| 0) .cse11 (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 |timeShift_processEnvironment_~tmp~6#1|) (= |timeShift_isLowWaterLevel_~tmp~9#1| 0) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~3#1|) .cse14)) (.cse3 (not .cse13)) (.cse7 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse11 .cse13 .cse12 .cse14)) (.cse8 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not .cse12)) (.cse9 (<= 2 ~waterLevel~0)) (.cse10 (not (<= 1 |old(~waterLevel~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5 .cse4) (or .cse2 .cse3 .cse6 .cse7 .cse8) (or .cse0 .cse2 .cse9 .cse3 .cse8) (or .cse2 .cse9 .cse5 .cse6 .cse8) (or .cse0 .cse2 .cse10 .cse3 .cse7) (or .cse0 .cse2 .cse9 .cse5 .cse8) (or .cse0 .cse11 .cse2 .cse9 .cse10 .cse5)))) [2022-11-16 11:45:40,641 INFO L899 garLoopResultBuilder]: For program point L59-1(line 59) no Hoare annotation was computed. [2022-11-16 11:45:40,642 INFO L895 garLoopResultBuilder]: At program point L695(lines 690 698) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse9 (<= 1 ~methaneLevelCritical~0)) (.cse10 (= 1 ~systemActive~0))) (let ((.cse3 (not (<= 1 |old(~waterLevel~0)|))) (.cse6 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse7 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5 .cse9 (<= 2 ~waterLevel~0) .cse10)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not .cse10)) (.cse2 (not .cse9)) (.cse8 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2 (= ~waterLevel~0 1)) (or .cse0 .cse1 .cse3 .cse4) (or .cse0 .cse1 .cse3 (and .cse5 .cse6) .cse2) (or .cse7 (and (= |timeShift_isLowWaterSensorDry_#res#1| 0) .cse5 .cse6 (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 |timeShift_processEnvironment_~tmp~6#1|) (= |timeShift_isLowWaterLevel_~tmp~9#1| 0) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~3#1|) (<= 1 ~waterLevel~0)) .cse1 .cse2 .cse8) (or .cse1 .cse4 .cse8) (or .cse7 .cse0 .cse1 .cse2 .cse8)))) [2022-11-16 11:45:40,642 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 562 585) the Hoare annotation is: (let ((.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 2 ~waterLevel~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse6 .cse7) (or .cse0 .cse1 .cse6 .cse3) (or .cse4 .cse5 .cse0 .cse2 .cse7))) [2022-11-16 11:45:40,642 INFO L899 garLoopResultBuilder]: For program point L877(lines 877 881) no Hoare annotation was computed. [2022-11-16 11:45:40,642 INFO L895 garLoopResultBuilder]: At program point L877-2(lines 873 884) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (<= 1 |old(~waterLevel~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 ~waterLevel~0))) (.cse3 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse1) (or .cse4 .cse0 .cse5 .cse6) (or .cse0 .cse6 .cse2 .cse3))) [2022-11-16 11:45:40,642 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 562 585) no Hoare annotation was computed. [2022-11-16 11:45:40,643 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 978) no Hoare annotation was computed. [2022-11-16 11:45:40,643 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 909 917) the Hoare annotation is: true [2022-11-16 11:45:40,643 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 909 917) no Hoare annotation was computed. [2022-11-16 11:45:40,643 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 909 917) no Hoare annotation was computed. [2022-11-16 11:45:40,643 INFO L895 garLoopResultBuilder]: At program point L97(lines 93 99) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-16 11:45:40,643 INFO L902 garLoopResultBuilder]: At program point L865(lines 846 868) the Hoare annotation is: true [2022-11-16 11:45:40,644 INFO L895 garLoopResultBuilder]: At program point L543(lines 496 544) the Hoare annotation is: false [2022-11-16 11:45:40,644 INFO L899 garLoopResultBuilder]: For program point L498(lines 497 542) no Hoare annotation was computed. [2022-11-16 11:45:40,644 INFO L899 garLoopResultBuilder]: For program point L527(lines 527 538) no Hoare annotation was computed. [2022-11-16 11:45:40,644 INFO L895 garLoopResultBuilder]: At program point L519(line 519) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse2 .cse3 .cse4) (and .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2022-11-16 11:45:40,644 INFO L895 garLoopResultBuilder]: At program point L833(lines 829 835) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-16 11:45:40,645 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-16 11:45:40,645 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 11:45:40,645 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-16 11:45:40,645 INFO L895 garLoopResultBuilder]: At program point L540(lines 497 542) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse2 .cse3 .cse4) (and .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2022-11-16 11:45:40,645 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 513) no Hoare annotation was computed. [2022-11-16 11:45:40,645 INFO L899 garLoopResultBuilder]: For program point L507-1(lines 507 513) no Hoare annotation was computed. [2022-11-16 11:45:40,645 INFO L899 garLoopResultBuilder]: For program point L499(lines 499 503) no Hoare annotation was computed. [2022-11-16 11:45:40,646 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 11:45:40,646 INFO L899 garLoopResultBuilder]: For program point L533(lines 533 537) no Hoare annotation was computed. [2022-11-16 11:45:40,646 INFO L895 garLoopResultBuilder]: At program point L533-2(lines 527 538) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3 .cse6) (and .cse4 .cse0 .cse2 .cse3 .cse6) (and .cse5 .cse1 .cse2 .cse3))) [2022-11-16 11:45:40,646 INFO L895 garLoopResultBuilder]: At program point L112(lines 107 115) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-16 11:45:40,646 INFO L902 garLoopResultBuilder]: At program point L843(lines 836 845) the Hoare annotation is: true [2022-11-16 11:45:40,646 INFO L895 garLoopResultBuilder]: At program point L104(lines 100 106) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-16 11:45:40,647 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 523) no Hoare annotation was computed. [2022-11-16 11:45:40,647 INFO L899 garLoopResultBuilder]: For program point L517-1(lines 517 523) no Hoare annotation was computed. [2022-11-16 11:45:40,647 INFO L902 garLoopResultBuilder]: At program point L546(lines 487 550) the Hoare annotation is: true [2022-11-16 11:45:40,647 INFO L895 garLoopResultBuilder]: At program point L509(line 509) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse2 .cse3 .cse4) (and .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2022-11-16 11:45:40,647 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 863) no Hoare annotation was computed. [2022-11-16 11:45:40,647 INFO L899 garLoopResultBuilder]: For program point L856-2(lines 856 863) no Hoare annotation was computed. [2022-11-16 11:45:40,648 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 594 618) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or .cse0 .cse1 .cse2 .cse3 (not (<= 1 ~methaneLevelCritical~0))))) [2022-11-16 11:45:40,648 INFO L899 garLoopResultBuilder]: For program point L954(lines 954 960) no Hoare annotation was computed. [2022-11-16 11:45:40,648 INFO L899 garLoopResultBuilder]: For program point L661(lines 661 667) no Hoare annotation was computed. [2022-11-16 11:45:40,648 INFO L895 garLoopResultBuilder]: At program point L661-2(lines 654 670) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 1 ~waterLevel~0)) (and (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0) (<= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1|) (<= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_activatePump_~tmp~7#1|)) (not (<= 1 ~methaneLevelCritical~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2022-11-16 11:45:40,648 INFO L895 garLoopResultBuilder]: At program point L750(lines 735 753) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (= ~pumpRunning~0 0))) (let ((.cse0 (and .cse5 (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~8#1| 0)) .cse6 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1| 0) (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~waterLevel~0))) (.cse4 (and .cse5 .cse6 (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (<= 1 ~methaneLevelCritical~0))) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0)))))) [2022-11-16 11:45:40,649 INFO L895 garLoopResultBuilder]: At program point L686(lines 679 689) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (<= 2 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5) (not (= ~methaneLevelCritical~0 0))) (or .cse0 .cse1 .cse2 (not (<= 1 ~methaneLevelCritical~0)) (and .cse3 .cse4 .cse5 (<= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1|))))) [2022-11-16 11:45:40,649 INFO L895 garLoopResultBuilder]: At program point L684(line 684) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 1 ~methaneLevelCritical~0))) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2022-11-16 11:45:40,649 INFO L899 garLoopResultBuilder]: For program point L684-1(line 684) no Hoare annotation was computed. [2022-11-16 11:45:40,649 INFO L899 garLoopResultBuilder]: For program point L744(lines 744 748) no Hoare annotation was computed. [2022-11-16 11:45:40,649 INFO L899 garLoopResultBuilder]: For program point L744-2(lines 744 748) no Hoare annotation was computed. [2022-11-16 11:45:40,650 INFO L895 garLoopResultBuilder]: At program point L608(line 608) the Hoare annotation is: (let ((.cse8 (= 1 ~systemActive~0))) (let ((.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~5#1| 0) .cse8)) (.cse3 (not (<= 1 ~waterLevel~0))) (.cse5 (not (= ~waterLevel~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (and (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~8#1| 0)) (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)))) (.cse1 (not .cse8)) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse1 .cse4) (or .cse0 .cse1 .cse2 .cse3 .cse7) (or .cse5 .cse0 .cse6 .cse1 .cse7)))) [2022-11-16 11:45:40,650 INFO L895 garLoopResultBuilder]: At program point L959(lines 950 963) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse9 (= 1 ~systemActive~0)) (.cse4 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (.cse10 (<= 2 ~waterLevel~0))) (let ((.cse2 (not .cse10)) (.cse6 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3 .cse10 .cse9 .cse4)) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not .cse9)) (.cse8 (and .cse3 (not .cse4))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4) .cse5) (or .cse0 .cse6 .cse1 .cse2 .cse7) (or .cse0 .cse6 .cse1 (not (<= 1 ~waterLevel~0)) .cse8 .cse7) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse8 .cse5)))) [2022-11-16 11:45:40,650 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 594 618) no Hoare annotation was computed. [2022-11-16 11:45:40,650 INFO L899 garLoopResultBuilder]: For program point L602(lines 602 610) no Hoare annotation was computed. [2022-11-16 11:45:40,650 INFO L899 garLoopResultBuilder]: For program point L598(lines 598 615) no Hoare annotation was computed. [2022-11-16 11:45:40,651 INFO L895 garLoopResultBuilder]: At program point L650(lines 645 652) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 1 ~waterLevel~0)) (not (<= 1 ~methaneLevelCritical~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2022-11-16 11:45:40,651 INFO L895 garLoopResultBuilder]: At program point L613(line 613) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or .cse0 .cse1 .cse2 (not (<= 1 ~methaneLevelCritical~0))))) [2022-11-16 11:45:40,651 INFO L899 garLoopResultBuilder]: For program point L613-1(lines 594 618) no Hoare annotation was computed. [2022-11-16 11:45:40,651 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 885 896) no Hoare annotation was computed. [2022-11-16 11:45:40,651 INFO L899 garLoopResultBuilder]: For program point L889-1(lines 885 896) no Hoare annotation was computed. [2022-11-16 11:45:40,651 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 885 896) the Hoare annotation is: (let ((.cse1 (not (= |old(~waterLevel~0)| 1))) (.cse4 (= ~waterLevel~0 1)) (.cse0 (not (= ~pumpRunning~0 0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse6 (<= 2 ~waterLevel~0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5 .cse4) (or .cse0 .cse2 .cse6 .cse5 .cse7) (or .cse2 .cse6 .cse3 .cse7))) [2022-11-16 11:45:40,655 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:45:40,657 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:45:40,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:45:40 BoogieIcfgContainer [2022-11-16 11:45:40,691 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:45:40,691 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:45:40,692 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:45:40,692 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:45:40,692 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:45:28" (3/4) ... [2022-11-16 11:45:40,696 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 11:45:40,703 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-16 11:45:40,703 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-16 11:45:40,703 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-16 11:45:40,703 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-16 11:45:40,703 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-16 11:45:40,704 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-11-16 11:45:40,704 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-16 11:45:40,711 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2022-11-16 11:45:40,712 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-16 11:45:40,712 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-16 11:45:40,713 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-16 11:45:40,713 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 11:45:40,713 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:45:40,714 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:45:40,742 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || (pumpRunning == \old(pumpRunning) && 1 <= waterLevel)) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical))) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && 1 <= waterLevel)) || !(2 <= \old(waterLevel))) [2022-11-16 11:45:40,742 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || waterLevel == 1) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || waterLevel == 1)) && ((((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || ((((((\result == 0 && pumpRunning == 0) && 1 <= \result) && 1 <= tmp) && tmp == 0) && 1 <= tmp___0) && 1 <= waterLevel)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= waterLevel)) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && ((((!(1 == systemActive) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) || ((((((\result == 0 && pumpRunning == 0) && 1 <= \result) && 1 <= tmp) && tmp == 0) && 1 <= tmp___0) && 1 <= waterLevel)) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= waterLevel))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel)))) && (((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) [2022-11-16 11:45:40,743 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || waterLevel == 1) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (tmp == 0 && 2 <= waterLevel)) || !(1 <= \old(waterLevel))) || (pumpRunning == 0 && tmp == 0)) || !(methaneLevelCritical == 0))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (tmp == 0 && 2 <= waterLevel)) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel)))) && ((((!(1 == systemActive) || (tmp == 0 && 2 <= waterLevel)) || !(methaneLevelCritical == 0)) || (((((((\result == 0 && pumpRunning == 0) && tmp == 0) && 1 <= \result) && 1 <= tmp) && tmp == 0) && 1 <= tmp___0) && 1 <= waterLevel)) || !(2 <= \old(waterLevel)))) && ((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 <= methaneLevelCritical) && 2 <= waterLevel) && 1 == systemActive) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((((((\result == 0 && pumpRunning == 0) && 1 <= \result) && 1 <= tmp) && tmp == 0) && 1 <= tmp___0) && 1 <= waterLevel)) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && waterLevel == 1))) && ((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 <= methaneLevelCritical) && 2 <= waterLevel) && 1 == systemActive) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel))) [2022-11-16 11:45:40,744 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= waterLevel)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && methaneLevelCritical <= \result)) [2022-11-16 11:45:40,744 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || waterLevel == 1) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || (pumpRunning == 0 && \result == 0)) || !(1 <= methaneLevelCritical))) && ((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 <= methaneLevelCritical) && 2 <= waterLevel) && 1 == systemActive) || (((((((\result == 0 && pumpRunning == 0) && \result == 0) && 1 <= \result) && 1 <= tmp) && tmp == 0) && 1 <= tmp___0) && 1 <= waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && ((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel)))) && ((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 <= methaneLevelCritical) && 2 <= waterLevel) && 1 == systemActive) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel))) [2022-11-16 11:45:40,744 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= waterLevel)) || !(2 <= \old(waterLevel)))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || ((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= waterLevel)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) [2022-11-16 11:45:40,745 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= waterLevel)) || (((pumpRunning == 0 && 2 <= waterLevel) && methaneLevelCritical <= \result) && methaneLevelCritical <= tmp)) || !(1 <= methaneLevelCritical)) && (((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2022-11-16 11:45:40,745 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(2 <= waterLevel)) || (pumpRunning == 0 && \result == 0)) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0)) || !(1 == systemActive)) || !(2 <= waterLevel)) || !(1 <= methaneLevelCritical))) && (((((!(\old(pumpRunning) == 0) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0)) || !(1 == systemActive)) || !(1 <= waterLevel)) || (pumpRunning == 0 && !(\result == 0))) || !(1 <= methaneLevelCritical))) && ((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (pumpRunning == 0 && !(\result == 0))) || !(methaneLevelCritical == 0)) [2022-11-16 11:45:40,745 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) && (((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2022-11-16 11:45:40,745 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) && ((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical))) && ((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel))) [2022-11-16 11:45:40,745 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical))) && ((((((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= \result) && tmp == 0) && 1 <= tmp___0) && 1 <= waterLevel) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel)))) && ((((((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= \result) && tmp == 0) && 1 <= tmp___0) && 1 <= waterLevel) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel))) [2022-11-16 11:45:40,746 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((pumpRunning == \old(pumpRunning) && !(tmp == 0)) && pumpRunning == 0) && tmp___0 == 0) && !(\result == 0)) && \result == 0) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= waterLevel)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || !(1 <= methaneLevelCritical)) && ((((((((((pumpRunning == \old(pumpRunning) && !(tmp == 0)) && pumpRunning == 0) && tmp___0 == 0) && !(\result == 0)) && \result == 0) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= waterLevel)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || !(methaneLevelCritical == 0)) [2022-11-16 11:45:40,746 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || ((((((\result == 0 && pumpRunning == 0) && 1 <= \result) && 1 <= tmp) && tmp == 0) && 1 <= tmp___0) && 1 <= waterLevel)) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical))) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || ((((((\result == 0 && pumpRunning == 0) && 1 <= \result) && 1 <= tmp) && tmp == 0) && 1 <= tmp___0) && 1 <= waterLevel)) || !(2 <= \old(waterLevel))) [2022-11-16 11:45:40,777 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d318fe30-687a-4fc7-96dc-b43c553fc449/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:45:40,777 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:45:40,778 INFO L158 Benchmark]: Toolchain (without parser) took 14348.55ms. Allocated memory was 119.5MB in the beginning and 220.2MB in the end (delta: 100.7MB). Free memory was 83.3MB in the beginning and 174.6MB in the end (delta: -91.2MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2022-11-16 11:45:40,779 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 119.5MB. Free memory is still 100.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:45:40,779 INFO L158 Benchmark]: CACSL2BoogieTranslator took 636.44ms. Allocated memory is still 119.5MB. Free memory was 83.2MB in the beginning and 86.6MB in the end (delta: -3.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:45:40,779 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.56ms. Allocated memory is still 119.5MB. Free memory was 86.6MB in the beginning and 84.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:45:40,780 INFO L158 Benchmark]: Boogie Preprocessor took 65.67ms. Allocated memory is still 119.5MB. Free memory was 83.8MB in the beginning and 82.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:45:40,780 INFO L158 Benchmark]: RCFGBuilder took 791.91ms. Allocated memory is still 119.5MB. Free memory was 82.5MB in the beginning and 63.3MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-16 11:45:40,781 INFO L158 Benchmark]: TraceAbstraction took 12668.06ms. Allocated memory was 119.5MB in the beginning and 220.2MB in the end (delta: 100.7MB). Free memory was 62.4MB in the beginning and 180.9MB in the end (delta: -118.5MB). Peak memory consumption was 99.7MB. Max. memory is 16.1GB. [2022-11-16 11:45:40,781 INFO L158 Benchmark]: Witness Printer took 86.14ms. Allocated memory is still 220.2MB. Free memory was 179.8MB in the beginning and 174.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 11:45:40,783 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 119.5MB. Free memory is still 100.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 636.44ms. Allocated memory is still 119.5MB. Free memory was 83.2MB in the beginning and 86.6MB in the end (delta: -3.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.56ms. Allocated memory is still 119.5MB. Free memory was 86.6MB in the beginning and 84.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.67ms. Allocated memory is still 119.5MB. Free memory was 83.8MB in the beginning and 82.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 791.91ms. Allocated memory is still 119.5MB. Free memory was 82.5MB in the beginning and 63.3MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 12668.06ms. Allocated memory was 119.5MB in the beginning and 220.2MB in the end (delta: 100.7MB). Free memory was 62.4MB in the beginning and 180.9MB in the end (delta: -118.5MB). Peak memory consumption was 99.7MB. Max. memory is 16.1GB. * Witness Printer took 86.14ms. Allocated memory is still 220.2MB. Free memory was 179.8MB in the beginning and 174.6MB in the end (delta: 5.2MB). 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: 978]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 91 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.5s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1328 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1302 mSDsluCounter, 3197 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2084 mSDsCounter, 295 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1586 IncrementalHoareTripleChecker+Invalid, 1881 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 295 mSolverCounterUnsat, 1113 mSDtfsCounter, 1586 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 449 GetRequests, 342 SyntacticMatches, 3 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=724occurred in iteration=11, InterpolantAutomatonStates: 89, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 203 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 1471 PreInvPairs, 1618 NumberOfFragments, 2509 HoareAnnotationTreeSize, 1471 FomulaSimplifications, 186 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 42 FomulaSimplificationsInter, 6821 FormulaSimplificationTreeSizeReductionInter, 4.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 855 NumberOfCodeBlocks, 855 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 840 ConstructedInterpolants, 0 QuantifiedInterpolants, 1494 SizeOfPredicates, 11 NumberOfNonLiveVariables, 1308 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 126/132 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: 846]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 964]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= waterLevel)) || !(2 <= \old(waterLevel)))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || ((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= waterLevel)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= waterLevel)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && methaneLevelCritical <= \result)) - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: ((((((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || waterLevel == 1) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || waterLevel == 1)) && ((((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || ((((((\result == 0 && pumpRunning == 0) && 1 <= \result) && 1 <= tmp) && tmp == 0) && 1 <= tmp___0) && 1 <= waterLevel)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= waterLevel)) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && ((((!(1 == systemActive) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) || ((((((\result == 0 && pumpRunning == 0) && 1 <= \result) && 1 <= tmp) && tmp == 0) && 1 <= tmp___0) && 1 <= waterLevel)) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= waterLevel))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel)))) && (((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || ((((((\result == 0 && pumpRunning == 0) && 1 <= \result) && 1 <= tmp) && tmp == 0) && 1 <= tmp___0) && 1 <= waterLevel)) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical))) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || ((((((\result == 0 && pumpRunning == 0) && 1 <= \result) && 1 <= tmp) && tmp == 0) && 1 <= tmp___0) && 1 <= waterLevel)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 645]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) && (((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: (((((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || waterLevel == 1) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (tmp == 0 && 2 <= waterLevel)) || !(1 <= \old(waterLevel))) || (pumpRunning == 0 && tmp == 0)) || !(methaneLevelCritical == 0))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (tmp == 0 && 2 <= waterLevel)) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel)))) && ((((!(1 == systemActive) || (tmp == 0 && 2 <= waterLevel)) || !(methaneLevelCritical == 0)) || (((((((\result == 0 && pumpRunning == 0) && tmp == 0) && 1 <= \result) && 1 <= tmp) && tmp == 0) && 1 <= tmp___0) && 1 <= waterLevel)) || !(2 <= \old(waterLevel)))) && ((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 <= methaneLevelCritical) && 2 <= waterLevel) && 1 == systemActive) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((((((\result == 0 && pumpRunning == 0) && 1 <= \result) && 1 <= tmp) && tmp == 0) && 1 <= tmp___0) && 1 <= waterLevel)) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && waterLevel == 1))) && ((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 <= methaneLevelCritical) && 2 <= waterLevel) && 1 == systemActive) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 654]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= waterLevel)) || (((pumpRunning == 0 && 2 <= waterLevel) && methaneLevelCritical <= \result) && methaneLevelCritical <= tmp)) || !(1 <= methaneLevelCritical)) && (((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) || ((((pumpRunning == 0 && 1 <= methaneLevelCritical) && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel)) || (((methaneLevelCritical == 0 && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: ((((((((((pumpRunning == \old(pumpRunning) && !(tmp == 0)) && pumpRunning == 0) && tmp___0 == 0) && !(\result == 0)) && \result == 0) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= waterLevel)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || !(1 <= methaneLevelCritical)) && ((((((((((pumpRunning == \old(pumpRunning) && !(tmp == 0)) && pumpRunning == 0) && tmp___0 == 0) && !(\result == 0)) && \result == 0) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= waterLevel)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || waterLevel == 1) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || (pumpRunning == 0 && \result == 0)) || !(1 <= methaneLevelCritical))) && ((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 <= methaneLevelCritical) && 2 <= waterLevel) && 1 == systemActive) || (((((((\result == 0 && pumpRunning == 0) && \result == 0) && 1 <= \result) && 1 <= tmp) && tmp == 0) && 1 <= tmp___0) && 1 <= waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && ((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel)))) && ((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 <= methaneLevelCritical) && 2 <= waterLevel) && 1 == systemActive) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(2 <= waterLevel)) || (pumpRunning == 0 && \result == 0)) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0)) || !(1 == systemActive)) || !(2 <= waterLevel)) || !(1 <= methaneLevelCritical))) && (((((!(\old(pumpRunning) == 0) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0)) || !(1 == systemActive)) || !(1 <= waterLevel)) || (pumpRunning == 0 && !(\result == 0))) || !(1 <= methaneLevelCritical))) && ((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (pumpRunning == 0 && !(\result == 0))) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || (pumpRunning == \old(pumpRunning) && 1 <= waterLevel)) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical))) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && 1 <= waterLevel)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical))) && ((((((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= \result) && tmp == 0) && 1 <= tmp___0) && 1 <= waterLevel) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel)))) && ((((((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= \result) && tmp == 0) && 1 <= tmp___0) && 1 <= waterLevel) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 974]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) && ((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical))) && ((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel))) RESULT: Ultimate proved your program to be correct! [2022-11-16 11:45:40,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d318fe30-687a-4fc7-96dc-b43c553fc449/bin/uautomizer-tPACEb0tL8/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