./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2847c0e5-38c9-43a2-8c60-80ff373425aa/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2847c0e5-38c9-43a2-8c60-80ff373425aa/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2847c0e5-38c9-43a2-8c60-80ff373425aa/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2847c0e5-38c9-43a2-8c60-80ff373425aa/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2847c0e5-38c9-43a2-8c60-80ff373425aa/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2847c0e5-38c9-43a2-8c60-80ff373425aa/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0cfed743c16ce3c8683c42b92f2e032d4ce7b489a9d3a5e140ec6101c472b3cb --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:14:48,198 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:14:48,201 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:14:48,241 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:14:48,241 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:14:48,245 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:14:48,248 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:14:48,251 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:14:48,253 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:14:48,259 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:14:48,260 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:14:48,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:14:48,261 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:14:48,262 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:14:48,263 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:14:48,264 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:14:48,265 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:14:48,266 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:14:48,267 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:14:48,269 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:14:48,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:14:48,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:14:48,278 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:14:48,280 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:14:48,294 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:14:48,294 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:14:48,295 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:14:48,295 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:14:48,296 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:14:48,297 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:14:48,297 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:14:48,298 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:14:48,299 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:14:48,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:14:48,301 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:14:48,301 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:14:48,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:14:48,305 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:14:48,306 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:14:48,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:14:48,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:14:48,310 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2847c0e5-38c9-43a2-8c60-80ff373425aa/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-18 20:14:48,346 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:14:48,347 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:14:48,348 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:14:48,348 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:14:48,349 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:14:48,349 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:14:48,350 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:14:48,350 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:14:48,350 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:14:48,351 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:14:48,352 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:14:48,352 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:14:48,352 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:14:48,352 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:14:48,353 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:14:48,353 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:14:48,353 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:14:48,353 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:14:48,353 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:14:48,354 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:14:48,354 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:14:48,354 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:14:48,354 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:14:48,355 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:14:48,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:14:48,355 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:14:48,355 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:14:48,355 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:14:48,356 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:14:48,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:14:48,357 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:14:48,358 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:14:48,358 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:14:48,358 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_2847c0e5-38c9-43a2-8c60-80ff373425aa/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2847c0e5-38c9-43a2-8c60-80ff373425aa/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cfed743c16ce3c8683c42b92f2e032d4ce7b489a9d3a5e140ec6101c472b3cb [2022-11-18 20:14:48,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:14:48,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:14:48,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:14:48,669 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:14:48,671 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:14:48,672 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2847c0e5-38c9-43a2-8c60-80ff373425aa/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c [2022-11-18 20:14:48,730 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2847c0e5-38c9-43a2-8c60-80ff373425aa/bin/uautomizer-TMbwUNV5ro/data/382d5b56e/4b42d61db35d48e2951638cf0c6a0896/FLAG63648e3df [2022-11-18 20:14:49,240 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:14:49,240 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2847c0e5-38c9-43a2-8c60-80ff373425aa/sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c [2022-11-18 20:14:49,262 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2847c0e5-38c9-43a2-8c60-80ff373425aa/bin/uautomizer-TMbwUNV5ro/data/382d5b56e/4b42d61db35d48e2951638cf0c6a0896/FLAG63648e3df [2022-11-18 20:14:49,565 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2847c0e5-38c9-43a2-8c60-80ff373425aa/bin/uautomizer-TMbwUNV5ro/data/382d5b56e/4b42d61db35d48e2951638cf0c6a0896 [2022-11-18 20:14:49,567 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:14:49,569 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:14:49,572 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:14:49,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:14:49,575 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:14:49,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:14:49" (1/1) ... [2022-11-18 20:14:49,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d437206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:14:49, skipping insertion in model container [2022-11-18 20:14:49,576 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:14:49" (1/1) ... [2022-11-18 20:14:49,583 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:14:49,621 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:14:49,948 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2847c0e5-38c9-43a2-8c60-80ff373425aa/sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c[17978,17991] [2022-11-18 20:14:49,964 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:14:49,973 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:14:50,044 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2847c0e5-38c9-43a2-8c60-80ff373425aa/sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c[17978,17991] [2022-11-18 20:14:50,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:14:50,061 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:14:50,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:14:50 WrapperNode [2022-11-18 20:14:50,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:14:50,062 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:14:50,062 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:14:50,063 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:14:50,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:14:50" (1/1) ... [2022-11-18 20:14:50,082 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:14:50" (1/1) ... [2022-11-18 20:14:50,104 INFO L138 Inliner]: procedures = 53, calls = 96, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 190 [2022-11-18 20:14:50,105 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:14:50,105 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:14:50,105 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:14:50,106 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:14:50,114 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:14:50" (1/1) ... [2022-11-18 20:14:50,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:14:50" (1/1) ... [2022-11-18 20:14:50,116 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:14:50" (1/1) ... [2022-11-18 20:14:50,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:14:50" (1/1) ... [2022-11-18 20:14:50,121 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:14:50" (1/1) ... [2022-11-18 20:14:50,126 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:14:50" (1/1) ... [2022-11-18 20:14:50,128 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:14:50" (1/1) ... [2022-11-18 20:14:50,129 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:14:50" (1/1) ... [2022-11-18 20:14:50,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:14:50,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:14:50,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:14:50,132 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:14:50,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:14:50" (1/1) ... [2022-11-18 20:14:50,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:14:50,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2847c0e5-38c9-43a2-8c60-80ff373425aa/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:14:50,164 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2847c0e5-38c9-43a2-8c60-80ff373425aa/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:14:50,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2847c0e5-38c9-43a2-8c60-80ff373425aa/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:14:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:14:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-18 20:14:50,225 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-18 20:14:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-18 20:14:50,225 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-18 20:14:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-18 20:14:50,225 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-18 20:14:50,227 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-18 20:14:50,228 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-18 20:14:50,228 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-18 20:14:50,228 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-18 20:14:50,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:14:50,229 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-18 20:14:50,229 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-18 20:14:50,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:14:50,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:14:50,355 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:14:50,359 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:14:50,653 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:14:50,660 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:14:50,660 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-18 20:14:50,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:14:50 BoogieIcfgContainer [2022-11-18 20:14:50,663 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:14:50,665 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:14:50,665 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:14:50,672 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:14:50,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:14:49" (1/3) ... [2022-11-18 20:14:50,673 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@edb9d14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:14:50, skipping insertion in model container [2022-11-18 20:14:50,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:14:50" (2/3) ... [2022-11-18 20:14:50,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@edb9d14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:14:50, skipping insertion in model container [2022-11-18 20:14:50,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:14:50" (3/3) ... [2022-11-18 20:14:50,677 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product41.cil.c [2022-11-18 20:14:50,696 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:14:50,696 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 20:14:50,791 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:14:50,801 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;@f4a821d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:14:50,801 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 20:14:50,805 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 63 states have (on average 1.3968253968253967) internal successors, (88), 69 states have internal predecessors, (88), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-18 20:14:50,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-18 20:14:50,815 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:14:50,816 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:14:50,816 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:14:50,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:14:50,822 INFO L85 PathProgramCache]: Analyzing trace with hash -310918915, now seen corresponding path program 1 times [2022-11-18 20:14:50,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:14:50,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497525562] [2022-11-18 20:14:50,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:14:50,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:14:50,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:14:51,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:14:51,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:14:51,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:14:51,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:14:51,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497525562] [2022-11-18 20:14:51,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497525562] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:14:51,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:14:51,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:14:51,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87621461] [2022-11-18 20:14:51,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:14:51,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 20:14:51,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:14:51,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 20:14:51,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 20:14:51,090 INFO L87 Difference]: Start difference. First operand has 81 states, 63 states have (on average 1.3968253968253967) internal successors, (88), 69 states have internal predecessors, (88), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 20:14:51,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:14:51,138 INFO L93 Difference]: Finished difference Result 154 states and 211 transitions. [2022-11-18 20:14:51,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 20:14:51,141 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-11-18 20:14:51,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:14:51,151 INFO L225 Difference]: With dead ends: 154 [2022-11-18 20:14:51,151 INFO L226 Difference]: Without dead ends: 72 [2022-11-18 20:14:51,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 20:14:51,159 INFO L413 NwaCegarLoop]: 102 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, 102 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:14:51,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:14:51,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-11-18 20:14:51,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2022-11-18 20:14:51,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 56 states have (on average 1.3214285714285714) internal successors, (74), 61 states have internal predecessors, (74), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-18 20:14:51,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 93 transitions. [2022-11-18 20:14:51,204 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 93 transitions. Word has length 25 [2022-11-18 20:14:51,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:14:51,205 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 93 transitions. [2022-11-18 20:14:51,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 20:14:51,205 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 93 transitions. [2022-11-18 20:14:51,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-18 20:14:51,208 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:14:51,208 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:14:51,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:14:51,209 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:14:51,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:14:51,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1548949891, now seen corresponding path program 1 times [2022-11-18 20:14:51,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:14:51,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132311452] [2022-11-18 20:14:51,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:14:51,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:14:51,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:14:51,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-18 20:14:51,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:14:51,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:14:51,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:14:51,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132311452] [2022-11-18 20:14:51,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132311452] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:14:51,336 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:14:51,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:14:51,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561160228] [2022-11-18 20:14:51,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:14:51,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:14:51,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:14:51,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:14:51,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:14:51,340 INFO L87 Difference]: Start difference. First operand 72 states and 93 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 20:14:51,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:14:51,369 INFO L93 Difference]: Finished difference Result 110 states and 142 transitions. [2022-11-18 20:14:51,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:14:51,373 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-11-18 20:14:51,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:14:51,374 INFO L225 Difference]: With dead ends: 110 [2022-11-18 20:14:51,374 INFO L226 Difference]: Without dead ends: 63 [2022-11-18 20:14:51,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:14:51,379 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 12 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:14:51,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 144 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:14:51,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-11-18 20:14:51,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-11-18 20:14:51,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 50 states have (on average 1.34) internal successors, (67), 55 states have internal predecessors, (67), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-18 20:14:51,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 81 transitions. [2022-11-18 20:14:51,389 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 81 transitions. Word has length 26 [2022-11-18 20:14:51,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:14:51,389 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 81 transitions. [2022-11-18 20:14:51,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 20:14:51,389 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 81 transitions. [2022-11-18 20:14:51,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-18 20:14:51,395 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:14:51,395 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:14:51,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:14:51,396 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:14:51,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:14:51,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1454917381, now seen corresponding path program 1 times [2022-11-18 20:14:51,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:14:51,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478124536] [2022-11-18 20:14:51,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:14:51,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:14:51,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:14:51,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 20:14:51,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:14:51,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:14:51,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:14:51,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478124536] [2022-11-18 20:14:51,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478124536] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:14:51,576 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:14:51,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:14:51,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049465310] [2022-11-18 20:14:51,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:14:51,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:14:51,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:14:51,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:14:51,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:14:51,579 INFO L87 Difference]: Start difference. First operand 63 states and 81 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 20:14:51,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:14:51,595 INFO L93 Difference]: Finished difference Result 119 states and 156 transitions. [2022-11-18 20:14:51,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:14:51,595 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-11-18 20:14:51,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:14:51,596 INFO L225 Difference]: With dead ends: 119 [2022-11-18 20:14:51,597 INFO L226 Difference]: Without dead ends: 63 [2022-11-18 20:14:51,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:14:51,598 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 63 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:14:51,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 79 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:14:51,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-11-18 20:14:51,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-11-18 20:14:51,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 50 states have (on average 1.32) internal successors, (66), 55 states have internal predecessors, (66), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-18 20:14:51,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 80 transitions. [2022-11-18 20:14:51,610 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 80 transitions. Word has length 30 [2022-11-18 20:14:51,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:14:51,610 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 80 transitions. [2022-11-18 20:14:51,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 20:14:51,611 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2022-11-18 20:14:51,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-18 20:14:51,612 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:14:51,612 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] [2022-11-18 20:14:51,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:14:51,613 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:14:51,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:14:51,613 INFO L85 PathProgramCache]: Analyzing trace with hash -199527812, now seen corresponding path program 1 times [2022-11-18 20:14:51,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:14:51,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497199846] [2022-11-18 20:14:51,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:14:51,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:14:51,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:14:51,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 20:14:51,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:14:51,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-18 20:14:51,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:14:51,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:14:51,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:14:51,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497199846] [2022-11-18 20:14:51,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497199846] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:14:51,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:14:51,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:14:51,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060603201] [2022-11-18 20:14:51,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:14:51,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:14:51,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:14:51,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:14:51,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:14:51,705 INFO L87 Difference]: Start difference. First operand 63 states and 80 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 20:14:51,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:14:51,737 INFO L93 Difference]: Finished difference Result 160 states and 207 transitions. [2022-11-18 20:14:51,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:14:51,738 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2022-11-18 20:14:51,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:14:51,740 INFO L225 Difference]: With dead ends: 160 [2022-11-18 20:14:51,740 INFO L226 Difference]: Without dead ends: 104 [2022-11-18 20:14:51,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:14:51,742 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 54 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 147 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 [2022-11-18 20:14:51,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 147 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:14:51,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-11-18 20:14:51,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 102. [2022-11-18 20:14:51,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 80 states have (on average 1.3125) internal successors, (105), 87 states have internal predecessors, (105), 11 states have call successors, (11), 10 states have call predecessors, (11), 10 states have return successors, (13), 11 states have call predecessors, (13), 11 states have call successors, (13) [2022-11-18 20:14:51,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 129 transitions. [2022-11-18 20:14:51,760 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 129 transitions. Word has length 35 [2022-11-18 20:14:51,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:14:51,761 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 129 transitions. [2022-11-18 20:14:51,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 20:14:51,761 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 129 transitions. [2022-11-18 20:14:51,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-18 20:14:51,762 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:14:51,762 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] [2022-11-18 20:14:51,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 20:14:51,763 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:14:51,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:14:51,763 INFO L85 PathProgramCache]: Analyzing trace with hash -2013550284, now seen corresponding path program 1 times [2022-11-18 20:14:51,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:14:51,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938628780] [2022-11-18 20:14:51,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:14:51,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:14:51,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:14:52,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:14:52,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:14:52,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-18 20:14:52,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:14:52,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:14:52,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:14:52,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938628780] [2022-11-18 20:14:52,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938628780] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:14:52,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:14:52,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:14:52,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242895983] [2022-11-18 20:14:52,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:14:52,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:14:52,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:14:52,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:14:52,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:14:52,023 INFO L87 Difference]: Start difference. First operand 102 states and 129 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 20:14:52,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:14:52,093 INFO L93 Difference]: Finished difference Result 282 states and 373 transitions. [2022-11-18 20:14:52,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:14:52,094 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2022-11-18 20:14:52,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:14:52,096 INFO L225 Difference]: With dead ends: 282 [2022-11-18 20:14:52,096 INFO L226 Difference]: Without dead ends: 187 [2022-11-18 20:14:52,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:14:52,099 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 41 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:14:52,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 312 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:14:52,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2022-11-18 20:14:52,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 181. [2022-11-18 20:14:52,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 142 states have (on average 1.2887323943661972) internal successors, (183), 152 states have internal predecessors, (183), 21 states have call successors, (21), 19 states have call predecessors, (21), 17 states have return successors, (27), 19 states have call predecessors, (27), 21 states have call successors, (27) [2022-11-18 20:14:52,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 231 transitions. [2022-11-18 20:14:52,128 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 231 transitions. Word has length 41 [2022-11-18 20:14:52,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:14:52,129 INFO L495 AbstractCegarLoop]: Abstraction has 181 states and 231 transitions. [2022-11-18 20:14:52,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 20:14:52,129 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 231 transitions. [2022-11-18 20:14:52,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-18 20:14:52,130 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:14:52,131 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] [2022-11-18 20:14:52,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 20:14:52,131 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:14:52,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:14:52,132 INFO L85 PathProgramCache]: Analyzing trace with hash -583739890, now seen corresponding path program 1 times [2022-11-18 20:14:52,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:14:52,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752380033] [2022-11-18 20:14:52,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:14:52,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:14:52,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:14:52,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:14:52,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:14:52,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 20:14:52,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:14:52,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:14:52,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:14:52,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:14:52,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:14:52,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752380033] [2022-11-18 20:14:52,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752380033] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:14:52,299 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:14:52,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 20:14:52,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173205439] [2022-11-18 20:14:52,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:14:52,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:14:52,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:14:52,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:14:52,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:14:52,304 INFO L87 Difference]: Start difference. First operand 181 states and 231 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-18 20:14:52,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:14:52,582 INFO L93 Difference]: Finished difference Result 461 states and 623 transitions. [2022-11-18 20:14:52,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 20:14:52,583 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 45 [2022-11-18 20:14:52,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:14:52,596 INFO L225 Difference]: With dead ends: 461 [2022-11-18 20:14:52,596 INFO L226 Difference]: Without dead ends: 366 [2022-11-18 20:14:52,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-18 20:14:52,601 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 163 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:14:52,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 307 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 20:14:52,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2022-11-18 20:14:52,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 342. [2022-11-18 20:14:52,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 271 states have (on average 1.2767527675276753) internal successors, (346), 294 states have internal predecessors, (346), 39 states have call successors, (39), 27 states have call predecessors, (39), 31 states have return successors, (59), 37 states have call predecessors, (59), 39 states have call successors, (59) [2022-11-18 20:14:52,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 444 transitions. [2022-11-18 20:14:52,685 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 444 transitions. Word has length 45 [2022-11-18 20:14:52,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:14:52,686 INFO L495 AbstractCegarLoop]: Abstraction has 342 states and 444 transitions. [2022-11-18 20:14:52,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-18 20:14:52,686 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 444 transitions. [2022-11-18 20:14:52,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-18 20:14:52,688 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:14:52,688 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] [2022-11-18 20:14:52,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 20:14:52,689 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:14:52,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:14:52,689 INFO L85 PathProgramCache]: Analyzing trace with hash -364885172, now seen corresponding path program 1 times [2022-11-18 20:14:52,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:14:52,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771177006] [2022-11-18 20:14:52,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:14:52,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:14:52,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:14:52,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:14:52,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:14:52,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 20:14:52,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:14:52,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:14:52,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:14:52,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:14:52,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:14:52,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771177006] [2022-11-18 20:14:52,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771177006] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:14:52,786 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:14:52,786 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:14:52,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456098337] [2022-11-18 20:14:52,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:14:52,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:14:52,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:14:52,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:14:52,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:14:52,788 INFO L87 Difference]: Start difference. First operand 342 states and 444 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-18 20:14:53,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:14:53,017 INFO L93 Difference]: Finished difference Result 711 states and 938 transitions. [2022-11-18 20:14:53,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 20:14:53,018 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 45 [2022-11-18 20:14:53,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:14:53,022 INFO L225 Difference]: With dead ends: 711 [2022-11-18 20:14:53,022 INFO L226 Difference]: Without dead ends: 451 [2022-11-18 20:14:53,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:14:53,030 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 153 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:14:53,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 354 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:14:53,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2022-11-18 20:14:53,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 342. [2022-11-18 20:14:53,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 271 states have (on average 1.2693726937269372) internal successors, (344), 294 states have internal predecessors, (344), 39 states have call successors, (39), 27 states have call predecessors, (39), 31 states have return successors, (59), 37 states have call predecessors, (59), 39 states have call successors, (59) [2022-11-18 20:14:53,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 442 transitions. [2022-11-18 20:14:53,102 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 442 transitions. Word has length 45 [2022-11-18 20:14:53,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:14:53,102 INFO L495 AbstractCegarLoop]: Abstraction has 342 states and 442 transitions. [2022-11-18 20:14:53,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-18 20:14:53,102 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 442 transitions. [2022-11-18 20:14:53,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-18 20:14:53,104 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:14:53,104 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] [2022-11-18 20:14:53,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 20:14:53,104 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:14:53,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:14:53,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1182533622, now seen corresponding path program 1 times [2022-11-18 20:14:53,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:14:53,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811840899] [2022-11-18 20:14:53,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:14:53,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:14:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:14:53,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:14:53,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:14:53,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 20:14:53,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:14:53,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:14:53,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:14:53,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:14:53,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:14:53,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811840899] [2022-11-18 20:14:53,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811840899] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:14:53,195 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:14:53,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 20:14:53,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173324998] [2022-11-18 20:14:53,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:14:53,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:14:53,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:14:53,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:14:53,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:14:53,197 INFO L87 Difference]: Start difference. First operand 342 states and 442 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 states have internal predecessors, (38), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-18 20:14:53,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:14:53,491 INFO L93 Difference]: Finished difference Result 829 states and 1093 transitions. [2022-11-18 20:14:53,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-18 20:14:53,492 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 states have internal predecessors, (38), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 45 [2022-11-18 20:14:53,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:14:53,498 INFO L225 Difference]: With dead ends: 829 [2022-11-18 20:14:53,498 INFO L226 Difference]: Without dead ends: 494 [2022-11-18 20:14:53,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2022-11-18 20:14:53,503 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 316 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:14:53,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 343 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:14:53,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2022-11-18 20:14:53,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 367. [2022-11-18 20:14:53,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 295 states have (on average 1.2474576271186442) internal successors, (368), 316 states have internal predecessors, (368), 39 states have call successors, (39), 26 states have call predecessors, (39), 32 states have return successors, (63), 37 states have call predecessors, (63), 39 states have call successors, (63) [2022-11-18 20:14:53,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 470 transitions. [2022-11-18 20:14:53,567 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 470 transitions. Word has length 45 [2022-11-18 20:14:53,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:14:53,567 INFO L495 AbstractCegarLoop]: Abstraction has 367 states and 470 transitions. [2022-11-18 20:14:53,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 states have internal predecessors, (38), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-18 20:14:53,568 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 470 transitions. [2022-11-18 20:14:53,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-18 20:14:53,569 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:14:53,570 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] [2022-11-18 20:14:53,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 20:14:53,570 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:14:53,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:14:53,571 INFO L85 PathProgramCache]: Analyzing trace with hash 987986838, now seen corresponding path program 1 times [2022-11-18 20:14:53,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:14:53,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647373206] [2022-11-18 20:14:53,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:14:53,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:14:53,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:14:53,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:14:53,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:14:53,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 20:14:53,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:14:53,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-18 20:14:53,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:14:53,734 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 20:14:53,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:14:53,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647373206] [2022-11-18 20:14:53,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647373206] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:14:53,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265443839] [2022-11-18 20:14:53,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:14:53,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:14:53,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2847c0e5-38c9-43a2-8c60-80ff373425aa/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:14:53,742 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2847c0e5-38c9-43a2-8c60-80ff373425aa/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:14:53,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2847c0e5-38c9-43a2-8c60-80ff373425aa/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 20:14:53,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:14:53,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-18 20:14:53,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:14:54,201 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:14:54,201 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:14:54,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [265443839] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:14:54,202 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:14:54,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 9 [2022-11-18 20:14:54,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488644159] [2022-11-18 20:14:54,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:14:54,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:14:54,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:14:54,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:14:54,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:14:54,207 INFO L87 Difference]: Start difference. First operand 367 states and 470 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, (4), 2 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-18 20:14:54,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:14:54,404 INFO L93 Difference]: Finished difference Result 1078 states and 1405 transitions. [2022-11-18 20:14:54,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 20:14:54,405 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, (4), 2 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 50 [2022-11-18 20:14:54,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:14:54,409 INFO L225 Difference]: With dead ends: 1078 [2022-11-18 20:14:54,409 INFO L226 Difference]: Without dead ends: 718 [2022-11-18 20:14:54,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 51 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-11-18 20:14:54,413 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 108 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:14:54,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 493 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:14:54,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2022-11-18 20:14:54,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 688. [2022-11-18 20:14:54,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 688 states, 551 states have (on average 1.2304900181488203) internal successors, (678), 586 states have internal predecessors, (678), 75 states have call successors, (75), 51 states have call predecessors, (75), 61 states have return successors, (125), 71 states have call predecessors, (125), 75 states have call successors, (125) [2022-11-18 20:14:54,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 878 transitions. [2022-11-18 20:14:54,536 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 878 transitions. Word has length 50 [2022-11-18 20:14:54,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:14:54,536 INFO L495 AbstractCegarLoop]: Abstraction has 688 states and 878 transitions. [2022-11-18 20:14:54,537 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, (4), 2 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-18 20:14:54,537 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 878 transitions. [2022-11-18 20:14:54,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-18 20:14:54,539 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:14:54,540 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:14:54,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2847c0e5-38c9-43a2-8c60-80ff373425aa/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-18 20:14:54,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2847c0e5-38c9-43a2-8c60-80ff373425aa/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:14:54,746 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:14:54,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:14:54,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1869519007, now seen corresponding path program 1 times [2022-11-18 20:14:54,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:14:54,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890448070] [2022-11-18 20:14:54,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:14:54,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:14:54,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:14:54,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:14:54,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:14:54,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 20:14:54,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:14:54,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 20:14:54,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:14:54,859 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 20:14:54,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:14:54,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890448070] [2022-11-18 20:14:54,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890448070] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:14:54,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:14:54,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 20:14:54,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960184693] [2022-11-18 20:14:54,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:14:54,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:14:54,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:14:54,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:14:54,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:14:54,869 INFO L87 Difference]: Start difference. First operand 688 states and 878 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-18 20:14:55,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:14:55,114 INFO L93 Difference]: Finished difference Result 1271 states and 1632 transitions. [2022-11-18 20:14:55,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 20:14:55,115 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51 [2022-11-18 20:14:55,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:14:55,118 INFO L225 Difference]: With dead ends: 1271 [2022-11-18 20:14:55,118 INFO L226 Difference]: Without dead ends: 250 [2022-11-18 20:14:55,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-18 20:14:55,122 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 121 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:14:55,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 375 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:14:55,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2022-11-18 20:14:55,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 242. [2022-11-18 20:14:55,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 192 states have (on average 1.1927083333333333) internal successors, (229), 203 states have internal predecessors, (229), 26 states have call successors, (26), 23 states have call predecessors, (26), 23 states have return successors, (31), 24 states have call predecessors, (31), 26 states have call successors, (31) [2022-11-18 20:14:55,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 286 transitions. [2022-11-18 20:14:55,173 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 286 transitions. Word has length 51 [2022-11-18 20:14:55,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:14:55,173 INFO L495 AbstractCegarLoop]: Abstraction has 242 states and 286 transitions. [2022-11-18 20:14:55,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-18 20:14:55,174 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 286 transitions. [2022-11-18 20:14:55,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-18 20:14:55,176 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:14:55,176 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] [2022-11-18 20:14:55,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 20:14:55,176 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:14:55,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:14:55,177 INFO L85 PathProgramCache]: Analyzing trace with hash -400361830, now seen corresponding path program 1 times [2022-11-18 20:14:55,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:14:55,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974769074] [2022-11-18 20:14:55,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:14:55,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:14:55,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:14:55,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:14:55,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:14:55,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 20:14:55,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:14:55,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 20:14:55,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:14:55,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-18 20:14:55,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:14:55,392 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 20:14:55,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:14:55,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974769074] [2022-11-18 20:14:55,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974769074] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:14:55,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:14:55,393 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-18 20:14:55,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660970614] [2022-11-18 20:14:55,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:14:55,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-18 20:14:55,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:14:55,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-18 20:14:55,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-11-18 20:14:55,396 INFO L87 Difference]: Start difference. First operand 242 states and 286 transitions. Second operand has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-18 20:14:55,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:14:55,932 INFO L93 Difference]: Finished difference Result 473 states and 564 transitions. [2022-11-18 20:14:55,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 20:14:55,933 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) Word has length 54 [2022-11-18 20:14:55,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:14:55,933 INFO L225 Difference]: With dead ends: 473 [2022-11-18 20:14:55,934 INFO L226 Difference]: Without dead ends: 0 [2022-11-18 20:14:55,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=141, Invalid=365, Unknown=0, NotChecked=0, Total=506 [2022-11-18 20:14:55,935 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 205 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-18 20:14:55,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 282 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-18 20:14:55,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-18 20:14:55,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-18 20:14:55,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:14:55,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 20:14:55,937 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2022-11-18 20:14:55,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:14:55,937 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:14:55,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-18 20:14:55,938 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-18 20:14:55,938 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-18 20:14:55,941 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 20:14:55,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-18 20:14:55,943 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-18 20:15:01,756 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 125 131) no Hoare annotation was computed. [2022-11-18 20:15:01,757 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 125 131) the Hoare annotation is: true [2022-11-18 20:15:01,757 INFO L899 garLoopResultBuilder]: For program point L402-1(lines 398 409) no Hoare annotation was computed. [2022-11-18 20:15:01,759 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 398 409) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~methaneLevelCritical~0)| 0))) (.cse3 (and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))) (.cse4 (not (<= 0 |old(~methaneLevelCritical~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 (= ~methaneLevelCritical~0 1) (not (= |old(~methaneLevelCritical~0)| 1))) (or .cse1 (not (= ~pumpRunning~0 1)) .cse2 .cse3 .cse4))) [2022-11-18 20:15:01,759 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 398 409) no Hoare annotation was computed. [2022-11-18 20:15:01,759 INFO L899 garLoopResultBuilder]: For program point L481(lines 481 485) no Hoare annotation was computed. [2022-11-18 20:15:01,759 INFO L902 garLoopResultBuilder]: At program point L481-1(lines 481 485) the Hoare annotation is: true [2022-11-18 20:15:01,760 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 467 496) no Hoare annotation was computed. [2022-11-18 20:15:01,760 INFO L899 garLoopResultBuilder]: For program point L478(line 478) no Hoare annotation was computed. [2022-11-18 20:15:01,761 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 467 496) the Hoare annotation is: true [2022-11-18 20:15:01,761 INFO L902 garLoopResultBuilder]: At program point L477-2(lines 477 491) the Hoare annotation is: true [2022-11-18 20:15:01,761 INFO L902 garLoopResultBuilder]: At program point L473(line 473) the Hoare annotation is: true [2022-11-18 20:15:01,761 INFO L899 garLoopResultBuilder]: For program point L473-1(line 473) no Hoare annotation was computed. [2022-11-18 20:15:01,761 INFO L902 garLoopResultBuilder]: At program point L492(lines 467 496) the Hoare annotation is: true [2022-11-18 20:15:01,761 INFO L899 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2022-11-18 20:15:01,762 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 410 418) the Hoare annotation is: true [2022-11-18 20:15:01,762 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 410 418) no Hoare annotation was computed. [2022-11-18 20:15:01,762 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 410 418) no Hoare annotation was computed. [2022-11-18 20:15:01,762 INFO L899 garLoopResultBuilder]: For program point L353(lines 353 366) no Hoare annotation was computed. [2022-11-18 20:15:01,764 INFO L895 garLoopResultBuilder]: At program point L353-1(lines 338 370) the Hoare annotation is: (let ((.cse4 (= 1 ~systemActive~0))) (let ((.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse9 (= ~pumpRunning~0 0)) (.cse11 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse4)) (.cse3 (<= ~waterLevel~0 1)) (.cse5 (not (= |timeShift_processEnvironment_~tmp~0#1| 0))) (.cse6 (<= |timeShift_activatePump_~tmp~1#1| 0)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (< 0 (+ |timeShift_activatePump_~tmp~1#1| 1))) (.cse2 (= ~pumpRunning~0 1))) (and (or .cse0 .cse1 .cse2) (let ((.cse10 (not (= |timeShift___utac_acc__Specification3_spec__1_~tmp~4#1| 0))) (.cse12 (= |timeShift_isHighWaterLevel_~tmp~2#1| 0)) (.cse13 (not (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 0))) (.cse14 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse15 (not (= |timeShift_isHighWaterLevel_#res#1| 0)))) (or (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse2) (and .cse9 .cse10 .cse3 .cse4 .cse7) .cse11 .cse0 (and .cse9 .cse10 .cse12 .cse5 .cse13 .cse14 .cse7 .cse15) (not (= ~methaneLevelCritical~0 1)) (and .cse12 .cse5 .cse13 .cse6 .cse14 .cse7 .cse8 .cse15 .cse2))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse3 .cse1) (or (and .cse9 .cse3 .cse4 .cse7) .cse11 .cse0 (and .cse3 .cse4 .cse5 (<= |timeShift_isMethaneAlarm_#res#1| 0) .cse6 .cse7 .cse8 (<= 0 |timeShift_isMethaneAlarm_#res#1|) .cse2) (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)))))) [2022-11-18 20:15:01,764 INFO L899 garLoopResultBuilder]: For program point L378(lines 378 382) no Hoare annotation was computed. [2022-11-18 20:15:01,767 INFO L895 garLoopResultBuilder]: At program point L345(line 345) the Hoare annotation is: (let ((.cse6 (= 1 ~systemActive~0)) (.cse15 (= ~pumpRunning~0 0)) (.cse5 (<= ~waterLevel~0 1)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (and .cse15 .cse5 .cse9)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (<= |timeShift_activatePump_~tmp~1#1| 0)) (.cse10 (< 0 (+ |timeShift_activatePump_~tmp~1#1| 1))) (.cse2 (= ~pumpRunning~0 1)) (.cse7 (not (= |timeShift_processEnvironment_~tmp~0#1| 0))) (.cse0 (not .cse6)) (.cse1 (not (= |old(~pumpRunning~0)| 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 (and .cse5 .cse6 .cse7 (<= |timeShift_isMethaneAlarm_#res#1| 0) .cse8 .cse9 .cse10 (<= 0 |timeShift_isMethaneAlarm_#res#1|) .cse2) (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0))) (let ((.cse11 (= |timeShift_isHighWaterLevel_~tmp~2#1| 0)) (.cse12 (not (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 0))) (.cse13 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse14 (not (= |timeShift_isHighWaterLevel_#res#1| 0)))) (or (and .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse2) .cse3 .cse4 .cse0 (not (= ~methaneLevelCritical~0 1)) (and .cse11 .cse7 .cse12 .cse8 .cse13 .cse9 .cse10 .cse14 .cse2) (and .cse15 .cse11 .cse7 .cse12 .cse13 .cse9 .cse14))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse5 .cse1)))) [2022-11-18 20:15:01,767 INFO L895 garLoopResultBuilder]: At program point L378-2(lines 374 385) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 1))) (or .cse1 .cse2 (= ~pumpRunning~0 1)) (or (not (<= |old(~waterLevel~0)| 1)) .cse1 (<= ~waterLevel~0 1) .cse2) (or .cse0 .cse1 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0))))) [2022-11-18 20:15:01,768 INFO L899 garLoopResultBuilder]: For program point L345-1(line 345) no Hoare annotation was computed. [2022-11-18 20:15:01,768 INFO L895 garLoopResultBuilder]: At program point L147(line 147) the Hoare annotation is: (let ((.cse3 (= 1 ~systemActive~0))) (let ((.cse1 (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) .cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse3))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1))) (or .cse1 .cse2 .cse0 (not (= ~methaneLevelCritical~0 1))) (or .cse1 .cse2 .cse0 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)))))) [2022-11-18 20:15:01,769 INFO L895 garLoopResultBuilder]: At program point L263(lines 248 266) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (and .cse3 (<= ~waterLevel~0 1) .cse5 .cse4)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse5))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1))) (or .cse1 .cse2 .cse0 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0))) (or .cse1 .cse2 .cse0 (and .cse3 (= |timeShift_isHighWaterLevel_~tmp~2#1| 0) (not (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 0)) (= |timeShift_isHighWaterSensorDry_#res#1| 0) .cse4 (not (= |timeShift_isHighWaterLevel_#res#1| 0))) (not (= ~methaneLevelCritical~0 1)))))) [2022-11-18 20:15:01,769 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 101 124) no Hoare annotation was computed. [2022-11-18 20:15:01,769 INFO L895 garLoopResultBuilder]: At program point L197(line 197) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= |timeShift_processEnvironment_~tmp~0#1| 0))) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (= 1 ~systemActive~0))) (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse6)) (.cse2 (and .cse3 (<= ~waterLevel~0 1) .cse6 .cse4 .cse5))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1))) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 1)) .cse2 (and .cse3 (= |timeShift_isHighWaterLevel_~tmp~2#1| 0) .cse4 (not (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 0)) (= |timeShift_isHighWaterSensorDry_#res#1| 0) .cse5 (not (= |timeShift_isHighWaterLevel_#res#1| 0)))) (or .cse1 .cse0 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)) .cse2)))) [2022-11-18 20:15:01,769 INFO L899 garLoopResultBuilder]: For program point L197-1(line 197) no Hoare annotation was computed. [2022-11-18 20:15:01,769 INFO L899 garLoopResultBuilder]: For program point L932(line 932) no Hoare annotation was computed. [2022-11-18 20:15:01,770 INFO L895 garLoopResultBuilder]: At program point L152(line 152) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 1))) (or .cse1 .cse2 (= ~pumpRunning~0 1)) (or (not (<= |old(~waterLevel~0)| 1)) .cse1 (<= ~waterLevel~0 1) .cse2) (or .cse0 .cse1 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0))))) [2022-11-18 20:15:01,770 INFO L895 garLoopResultBuilder]: At program point L152-1(lines 133 157) the Hoare annotation is: (let ((.cse6 (= 1 ~systemActive~0)) (.cse15 (= ~pumpRunning~0 0)) (.cse5 (<= ~waterLevel~0 1)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (and .cse15 .cse5 .cse9)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (<= |timeShift_activatePump_~tmp~1#1| 0)) (.cse10 (< 0 (+ |timeShift_activatePump_~tmp~1#1| 1))) (.cse2 (= ~pumpRunning~0 1)) (.cse7 (not (= |timeShift_processEnvironment_~tmp~0#1| 0))) (.cse0 (not .cse6)) (.cse1 (not (= |old(~pumpRunning~0)| 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 (and .cse5 .cse6 .cse7 (<= |timeShift_isMethaneAlarm_#res#1| 0) .cse8 .cse9 .cse10 (<= 0 |timeShift_isMethaneAlarm_#res#1|) .cse2) (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0))) (let ((.cse11 (= |timeShift_isHighWaterLevel_~tmp~2#1| 0)) (.cse12 (not (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 0))) (.cse13 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse14 (not (= |timeShift_isHighWaterLevel_#res#1| 0)))) (or (and .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse2) .cse3 .cse4 .cse0 (not (= ~methaneLevelCritical~0 1)) (and .cse11 .cse7 .cse12 .cse8 .cse13 .cse9 .cse10 .cse14 .cse2) (and .cse15 .cse11 .cse7 .cse12 .cse13 .cse9 .cse14))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse5 .cse1)))) [2022-11-18 20:15:01,770 INFO L895 garLoopResultBuilder]: At program point L933(lines 928 935) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 1))) (or .cse1 (not (= |old(~pumpRunning~0)| 1))) (or .cse0 .cse1 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0))))) [2022-11-18 20:15:01,771 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 367) no Hoare annotation was computed. [2022-11-18 20:15:01,771 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 112 118) no Hoare annotation was computed. [2022-11-18 20:15:01,771 INFO L899 garLoopResultBuilder]: For program point L174(lines 174 180) no Hoare annotation was computed. [2022-11-18 20:15:01,771 INFO L899 garLoopResultBuilder]: For program point L141(lines 141 149) no Hoare annotation was computed. [2022-11-18 20:15:01,776 INFO L895 garLoopResultBuilder]: At program point L174-2(lines 167 183) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0))) (let ((.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (not .cse1)) (.cse0 (<= ~waterLevel~0 1)) (.cse2 (not (= |timeShift_processEnvironment_~tmp~0#1| 0))) (.cse3 (<= |timeShift_activatePump_~tmp~1#1| 0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (< 0 (+ |timeShift_activatePump_~tmp~1#1| 1))) (.cse6 (= ~pumpRunning~0 1))) (and (let ((.cse13 (= ~pumpRunning~0 0)) (.cse9 (= |timeShift_isHighWaterLevel_~tmp~2#1| 0)) (.cse10 (not (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 0))) (.cse11 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse12 (not (= |timeShift_isHighWaterLevel_#res#1| 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) .cse7 .cse8 (not (= ~methaneLevelCritical~0 1)) (and .cse9 .cse2 .cse10 .cse3 .cse11 .cse4 .cse5 .cse12 .cse6) (and .cse13 .cse0 .cse2 .cse4) (and .cse13 .cse9 .cse2 .cse10 .cse11 .cse4 .cse12))) (or .cse8 (not (= |old(~pumpRunning~0)| 1))) (or .cse7 .cse8 (and .cse0 .cse1 .cse2 (<= |timeShift_isMethaneAlarm_#res#1| 0) .cse3 .cse4 .cse5 (<= 0 |timeShift_isMethaneAlarm_#res#1|) .cse6) (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)))))) [2022-11-18 20:15:01,776 INFO L899 garLoopResultBuilder]: For program point L137(lines 137 154) no Hoare annotation was computed. [2022-11-18 20:15:01,776 INFO L899 garLoopResultBuilder]: For program point L455(lines 455 461) no Hoare annotation was computed. [2022-11-18 20:15:01,776 INFO L895 garLoopResultBuilder]: At program point L199(lines 192 202) the Hoare annotation is: (let ((.cse4 (= 1 ~systemActive~0))) (let ((.cse2 (= ~pumpRunning~0 0)) (.cse3 (<= ~waterLevel~0 1)) (.cse5 (not (= |timeShift_processEnvironment_~tmp~0#1| 0))) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse4))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1))) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 1)) (and .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse2 (= |timeShift_isHighWaterLevel_~tmp~2#1| 0) .cse5 (not (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 0)) (= |timeShift_isHighWaterSensorDry_#res#1| 0) .cse6 (not (= |timeShift_isHighWaterLevel_#res#1| 0)))) (or (and .cse2 .cse3 .cse4 .cse5 (<= |timeShift_isMethaneAlarm_#res#1| 0) .cse6 (<= 0 |timeShift_isMethaneAlarm_#res#1|)) .cse1 .cse0 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)))))) [2022-11-18 20:15:01,777 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 261) no Hoare annotation was computed. [2022-11-18 20:15:01,777 INFO L899 garLoopResultBuilder]: For program point L257-2(lines 257 261) no Hoare annotation was computed. [2022-11-18 20:15:01,777 INFO L895 garLoopResultBuilder]: At program point L447(lines 442 450) the Hoare annotation is: (let ((.cse14 (<= ~waterLevel~0 1)) (.cse10 (not (= |timeShift_processEnvironment_~tmp~0#1| 0))) (.cse11 (<= |timeShift_activatePump_~tmp~1#1| 0)) (.cse12 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse13 (< 0 (+ |timeShift_activatePump_~tmp~1#1| 1))) (.cse15 (<= |timeShift_getWaterLevel_#res#1| 1)) (.cse7 (= ~pumpRunning~0 1)) (.cse17 (= 1 ~systemActive~0))) (let ((.cse6 (not (= |old(~pumpRunning~0)| 1))) (.cse1 (not (= |old(~waterLevel~0)| 1))) (.cse5 (= |timeShift_getWaterLevel_#res#1| 1)) (.cse3 (not (<= ~methaneLevelCritical~0 0))) (.cse4 (not (<= 0 ~methaneLevelCritical~0))) (.cse16 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not .cse17)) (.cse8 (and .cse14 .cse17 .cse10 .cse11 .cse12 .cse13 .cse15 .cse7)) (.cse9 (not (= ~methaneLevelCritical~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse6 .cse7) (or .cse0 .cse2 .cse8 .cse9 (and (= |timeShift_isHighWaterLevel_~tmp~2#1| 0) .cse10 (not (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 0)) .cse11 (= |timeShift_isHighWaterSensorDry_#res#1| 0) .cse12 .cse13 (not (= |timeShift_isHighWaterLevel_#res#1| 0)) .cse7)) (or (and .cse14 .cse15) .cse16 .cse2 .cse6) (or .cse0 .cse1 .cse2 .cse9 .cse5) (or (and (= ~pumpRunning~0 0) .cse14 .cse12 .cse15) .cse0 (and .cse14 .cse17 .cse10 (<= |timeShift_isMethaneAlarm_#res#1| 0) .cse11 .cse12 .cse13 (<= 0 |timeShift_isMethaneAlarm_#res#1|) .cse15 .cse7) .cse2 .cse3 .cse4) (or .cse16 .cse0 .cse2 .cse8 .cse9)))) [2022-11-18 20:15:01,778 INFO L895 garLoopResultBuilder]: At program point L208(lines 203 211) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (not (= |old(~pumpRunning~0)| 1))) (.cse5 (= |timeShift_isPumpRunning_#res#1| 1)) (.cse6 (= ~pumpRunning~0 1)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse4) (or .cse2 .cse4 (and .cse5 .cse6)) (or .cse1 (and .cse5 (= |timeShift_isHighWaterLevel_~tmp~2#1| 0) (not (= |timeShift_processEnvironment_~tmp~0#1| 0)) (not (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 0)) (<= |timeShift_activatePump_~tmp~1#1| 0) (= |timeShift_isHighWaterSensorDry_#res#1| 0) (= |old(~waterLevel~0)| ~waterLevel~0) (< 0 (+ |timeShift_activatePump_~tmp~1#1| 1)) (not (= |timeShift_isHighWaterLevel_#res#1| 0)) .cse6) .cse2 .cse3) (or .cse1 .cse2 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0))))) [2022-11-18 20:15:01,778 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 101 124) the Hoare annotation is: (let ((.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= ~pumpRunning~0 0) .cse3)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 1))) (or .cse0 .cse1 .cse2 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0))) (or .cse2 (not (= |old(~pumpRunning~0)| 1)) (and .cse3 (= ~pumpRunning~0 1)))))) [2022-11-18 20:15:01,780 INFO L895 garLoopResultBuilder]: At program point L460(lines 451 464) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and .cse3 (<= ~waterLevel~0 1) .cse4)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 1)) (and .cse3 (= |timeShift_isHighWaterSensorDry_#res#1| 0) .cse4)) (or .cse2 (not (= |old(~pumpRunning~0)| 1))) (or .cse0 .cse1 .cse2 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)))))) [2022-11-18 20:15:01,780 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 101 124) no Hoare annotation was computed. [2022-11-18 20:15:01,781 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 932) no Hoare annotation was computed. [2022-11-18 20:15:01,781 INFO L899 garLoopResultBuilder]: For program point L105-1(lines 104 123) no Hoare annotation was computed. [2022-11-18 20:15:01,782 INFO L899 garLoopResultBuilder]: For program point L357(lines 357 363) no Hoare annotation was computed. [2022-11-18 20:15:01,783 INFO L895 garLoopResultBuilder]: At program point L163(lines 158 165) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0))) (let ((.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (not .cse1)) (.cse0 (<= ~waterLevel~0 1)) (.cse2 (not (= |timeShift_processEnvironment_~tmp~0#1| 0))) (.cse3 (<= |timeShift_activatePump_~tmp~1#1| 0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (< 0 (+ |timeShift_activatePump_~tmp~1#1| 1))) (.cse6 (= ~pumpRunning~0 1))) (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) .cse7 .cse8 (not (= ~methaneLevelCritical~0 1)) (and (= |timeShift_isHighWaterLevel_~tmp~2#1| 0) .cse2 (not (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 0)) .cse3 (= |timeShift_isHighWaterSensorDry_#res#1| 0) .cse4 .cse5 (not (= |timeShift_isHighWaterLevel_#res#1| 0)) .cse6)) (or .cse8 (not (= |old(~pumpRunning~0)| 1))) (or .cse7 .cse8 (and .cse0 .cse1 .cse2 (<= |timeShift_isMethaneAlarm_#res#1| 0) .cse3 .cse4 .cse5 (<= 0 |timeShift_isMethaneAlarm_#res#1|) .cse6) (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)))))) [2022-11-18 20:15:01,783 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 287) no Hoare annotation was computed. [2022-11-18 20:15:01,783 INFO L902 garLoopResultBuilder]: At program point L535(lines 528 537) the Hoare annotation is: true [2022-11-18 20:15:01,783 INFO L899 garLoopResultBuilder]: For program point L548(lines 548 555) no Hoare annotation was computed. [2022-11-18 20:15:01,783 INFO L899 garLoopResultBuilder]: For program point L548-2(lines 548 555) no Hoare annotation was computed. [2022-11-18 20:15:01,783 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-18 20:15:01,784 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-18 20:15:01,784 INFO L899 garLoopResultBuilder]: For program point L317(lines 317 321) no Hoare annotation was computed. [2022-11-18 20:15:01,784 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-18 20:15:01,784 INFO L895 garLoopResultBuilder]: At program point L317-2(lines 311 322) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= ~methaneLevelCritical~0 0) .cse2 (<= 0 ~methaneLevelCritical~0)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (and .cse1 .cse2 (= ~pumpRunning~0 1)))) [2022-11-18 20:15:01,784 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 307) no Hoare annotation was computed. [2022-11-18 20:15:01,784 INFO L902 garLoopResultBuilder]: At program point L557(lines 538 560) the Hoare annotation is: true [2022-11-18 20:15:01,785 INFO L899 garLoopResultBuilder]: For program point L301-1(lines 301 307) no Hoare annotation was computed. [2022-11-18 20:15:01,785 INFO L902 garLoopResultBuilder]: At program point L330(lines 271 334) the Hoare annotation is: true [2022-11-18 20:15:01,785 INFO L895 garLoopResultBuilder]: At program point L293(line 293) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (<= ~waterLevel~0 1) .cse1 (<= ~methaneLevelCritical~0 0) .cse2 (<= 0 ~methaneLevelCritical~0)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (and .cse1 .cse2 (= ~pumpRunning~0 1)))) [2022-11-18 20:15:01,785 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-18 20:15:01,785 INFO L895 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1)) [2022-11-18 20:15:01,785 INFO L895 garLoopResultBuilder]: At program point L525(lines 521 527) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1)) [2022-11-18 20:15:01,786 INFO L895 garLoopResultBuilder]: At program point L75(lines 71 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1)) [2022-11-18 20:15:01,786 INFO L895 garLoopResultBuilder]: At program point L327(lines 280 328) the Hoare annotation is: false [2022-11-18 20:15:01,786 INFO L899 garLoopResultBuilder]: For program point L282(lines 281 326) no Hoare annotation was computed. [2022-11-18 20:15:01,786 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 322) no Hoare annotation was computed. [2022-11-18 20:15:01,787 INFO L895 garLoopResultBuilder]: At program point L303(line 303) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= ~methaneLevelCritical~0 0) .cse2 (<= 0 ~methaneLevelCritical~0)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (and .cse1 .cse2 (= ~pumpRunning~0 1)))) [2022-11-18 20:15:01,787 INFO L895 garLoopResultBuilder]: At program point L68(lines 64 70) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1)) [2022-11-18 20:15:01,787 INFO L895 garLoopResultBuilder]: At program point L324(lines 281 326) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (<= ~waterLevel~0 1) .cse1 (<= ~methaneLevelCritical~0 0) .cse2 (<= 0 ~methaneLevelCritical~0)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (and .cse1 .cse2 (= ~pumpRunning~0 1)))) [2022-11-18 20:15:01,787 INFO L899 garLoopResultBuilder]: For program point L291(lines 291 297) no Hoare annotation was computed. [2022-11-18 20:15:01,787 INFO L899 garLoopResultBuilder]: For program point L291-1(lines 291 297) no Hoare annotation was computed. [2022-11-18 20:15:01,788 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 386 397) no Hoare annotation was computed. [2022-11-18 20:15:01,788 INFO L899 garLoopResultBuilder]: For program point L390-1(lines 386 397) no Hoare annotation was computed. [2022-11-18 20:15:01,788 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 386 397) the Hoare annotation is: (let ((.cse2 (not (= ~pumpRunning~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not (= ~pumpRunning~0 1)) .cse1) (or (not (<= |old(~waterLevel~0)| 1)) .cse2 .cse0 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)) .cse1) (or .cse2 .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1))) [2022-11-18 20:15:01,793 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:15:01,795 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:15:01,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:15:01 BoogieIcfgContainer [2022-11-18 20:15:01,848 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:15:01,849 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:15:01,849 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:15:01,849 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:15:01,850 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:14:50" (3/4) ... [2022-11-18 20:15:01,852 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 20:15:01,858 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-18 20:15:01,858 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-18 20:15:01,858 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-18 20:15:01,859 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-18 20:15:01,859 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-18 20:15:01,859 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-18 20:15:01,865 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-18 20:15:01,867 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-18 20:15:01,868 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-18 20:15:01,868 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 20:15:01,868 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 20:15:01,898 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || pumpRunning == 1)) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || waterLevel <= 1) || !(\old(pumpRunning) == 1))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) [2022-11-18 20:15:01,899 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || pumpRunning == 1) && (((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && \result <= 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && 0 <= \result) && pumpRunning == 1)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical))) && ((((((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && pumpRunning == 1) || ((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel)) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((((((((tmp == 0 && !(tmp == 0)) && !(tmp___0 == 0)) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && !(\result == 0)) && pumpRunning == 1)) || ((((((pumpRunning == 0 && tmp == 0) && !(tmp == 0)) && !(tmp___0 == 0)) && \result == 0) && \old(waterLevel) == waterLevel) && !(\result == 0)))) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || waterLevel <= 1) || !(\old(pumpRunning) == 1)) [2022-11-18 20:15:01,901 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || pumpRunning == 1) && ((((((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && pumpRunning == 1) || ((((pumpRunning == 0 && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel)) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((((((pumpRunning == 0 && !(tmp == 0)) && tmp == 0) && !(tmp == 0)) && !(tmp___0 == 0)) && \result == 0) && \old(waterLevel) == waterLevel) && !(\result == 0))) || !(methaneLevelCritical == 1)) || ((((((((tmp == 0 && !(tmp == 0)) && !(tmp___0 == 0)) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && !(\result == 0)) && pumpRunning == 1))) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || waterLevel <= 1) || !(\old(pumpRunning) == 1))) && ((((((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && \result <= 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && 0 <= \result) && pumpRunning == 1)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) [2022-11-18 20:15:01,902 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && !(tmp == 0)) && \old(waterLevel) == waterLevel)) || ((((((pumpRunning == 0 && tmp == 0) && !(tmp == 0)) && !(tmp___0 == 0)) && \result == 0) && \old(waterLevel) == waterLevel) && !(\result == 0)))) && ((((((((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && !(tmp == 0)) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) [2022-11-18 20:15:01,902 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || \result == 1) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || pumpRunning == 1)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && \result <= 1) && pumpRunning == 1)) || !(methaneLevelCritical == 1)) || ((((((((tmp == 0 && !(tmp == 0)) && !(tmp___0 == 0)) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && !(\result == 0)) && pumpRunning == 1))) && ((((waterLevel <= 1 && \result <= 1) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || !(\old(pumpRunning) == 1))) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || \result == 1)) && ((((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && \result <= 1) || !(\old(pumpRunning) == 0)) || (((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && \result <= 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && 0 <= \result) && \result <= 1) && pumpRunning == 1)) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && \result <= 1) && pumpRunning == 1)) || !(methaneLevelCritical == 1)) [2022-11-18 20:15:01,902 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) && (!(1 == systemActive) || !(\old(pumpRunning) == 1))) && ((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) [2022-11-18 20:15:01,902 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && pumpRunning == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((((((((tmp == 0 && !(tmp == 0)) && !(tmp___0 == 0)) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && !(\result == 0)) && pumpRunning == 1)) || (((pumpRunning == 0 && waterLevel <= 1) && !(tmp == 0)) && \old(waterLevel) == waterLevel)) || ((((((pumpRunning == 0 && tmp == 0) && !(tmp == 0)) && !(tmp___0 == 0)) && \result == 0) && \old(waterLevel) == waterLevel) && !(\result == 0))) && (!(1 == systemActive) || !(\old(pumpRunning) == 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && \result <= 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && 0 <= \result) && pumpRunning == 1)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) [2022-11-18 20:15:01,903 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && pumpRunning == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((((((((tmp == 0 && !(tmp == 0)) && !(tmp___0 == 0)) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && !(\result == 0)) && pumpRunning == 1)) && (!(1 == systemActive) || !(\old(pumpRunning) == 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && \result <= 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && 0 <= \result) && pumpRunning == 1)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) [2022-11-18 20:15:01,903 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) && (((((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical))) && (((((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((((pumpRunning == 0 && tmp == 0) && !(tmp___0 == 0)) && \result == 0) && \old(waterLevel) == waterLevel) && !(\result == 0))) || !(methaneLevelCritical == 1)) [2022-11-18 20:15:01,903 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) && ((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1))) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || (\result == 1 && pumpRunning == 1))) && (((!(\old(pumpRunning) == 0) || (((((((((\result == 1 && tmp == 0) && !(tmp == 0)) && !(tmp___0 == 0)) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && !(\result == 0)) && pumpRunning == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 1))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) [2022-11-18 20:15:01,904 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) && (!(1 == systemActive) || !(\old(pumpRunning) == 1))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) [2022-11-18 20:15:01,944 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2847c0e5-38c9-43a2-8c60-80ff373425aa/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:15:01,945 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:15:01,945 INFO L158 Benchmark]: Toolchain (without parser) took 12377.06ms. Allocated memory was 94.4MB in the beginning and 163.6MB in the end (delta: 69.2MB). Free memory was 56.7MB in the beginning and 107.2MB in the end (delta: -50.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-18 20:15:01,946 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 94.4MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:15:01,946 INFO L158 Benchmark]: CACSL2BoogieTranslator took 490.09ms. Allocated memory is still 94.4MB. Free memory was 56.5MB in the beginning and 62.6MB in the end (delta: -6.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 20:15:01,946 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.38ms. Allocated memory is still 94.4MB. Free memory was 62.6MB in the beginning and 60.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:15:01,947 INFO L158 Benchmark]: Boogie Preprocessor took 25.87ms. Allocated memory is still 94.4MB. Free memory was 60.5MB in the beginning and 58.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:15:01,947 INFO L158 Benchmark]: RCFGBuilder took 531.16ms. Allocated memory is still 94.4MB. Free memory was 58.9MB in the beginning and 43.2MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-18 20:15:01,947 INFO L158 Benchmark]: TraceAbstraction took 11183.07ms. Allocated memory was 94.4MB in the beginning and 163.6MB in the end (delta: 69.2MB). Free memory was 42.6MB in the beginning and 112.5MB in the end (delta: -69.8MB). Peak memory consumption was 71.9MB. Max. memory is 16.1GB. [2022-11-18 20:15:01,948 INFO L158 Benchmark]: Witness Printer took 96.13ms. Allocated memory is still 163.6MB. Free memory was 112.5MB in the beginning and 107.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 20:15:01,949 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 94.4MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 490.09ms. Allocated memory is still 94.4MB. Free memory was 56.5MB in the beginning and 62.6MB in the end (delta: -6.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.38ms. Allocated memory is still 94.4MB. Free memory was 62.6MB in the beginning and 60.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.87ms. Allocated memory is still 94.4MB. Free memory was 60.5MB in the beginning and 58.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 531.16ms. Allocated memory is still 94.4MB. Free memory was 58.9MB in the beginning and 43.2MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 11183.07ms. Allocated memory was 94.4MB in the beginning and 163.6MB in the end (delta: 69.2MB). Free memory was 42.6MB in the beginning and 112.5MB in the end (delta: -69.8MB). Peak memory consumption was 71.9MB. Max. memory is 16.1GB. * Witness Printer took 96.13ms. Allocated memory is still 163.6MB. Free memory was 112.5MB in the beginning and 107.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 932]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 81 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.0s, OverallIterations: 11, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1271 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1236 mSDsluCounter, 2938 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2016 mSDsCounter, 198 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 996 IncrementalHoareTripleChecker+Invalid, 1194 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 198 mSolverCounterUnsat, 922 mSDtfsCounter, 996 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 191 GetRequests, 111 SyntacticMatches, 2 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=688occurred in iteration=9, InterpolantAutomatonStates: 78, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 306 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 37 LocationsWithAnnotation, 1171 PreInvPairs, 1418 NumberOfFragments, 2268 HoareAnnotationTreeSize, 1171 FomulaSimplifications, 1824 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 37 FomulaSimplificationsInter, 16426 FormulaSimplificationTreeSizeReductionInter, 5.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 497 NumberOfCodeBlocks, 497 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 485 ConstructedInterpolants, 0 QuantifiedInterpolants, 1229 SizeOfPredicates, 5 NumberOfNonLiveVariables, 225 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 10/12 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: ((((((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || \result == 1) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || pumpRunning == 1)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && \result <= 1) && pumpRunning == 1)) || !(methaneLevelCritical == 1)) || ((((((((tmp == 0 && !(tmp == 0)) && !(tmp___0 == 0)) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && !(\result == 0)) && pumpRunning == 1))) && ((((waterLevel <= 1 && \result <= 1) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || !(\old(pumpRunning) == 1))) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || \result == 1)) && ((((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && \result <= 1) || !(\old(pumpRunning) == 0)) || (((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && \result <= 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && 0 <= \result) && \result <= 1) && pumpRunning == 1)) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && \result <= 1) && pumpRunning == 1)) || !(methaneLevelCritical == 1)) - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) && (!(1 == systemActive) || !(\old(pumpRunning) == 1))) && ((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: ((((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) && ((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1))) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || (\result == 1 && pumpRunning == 1))) && (((!(\old(pumpRunning) == 0) || (((((((((\result == 1 && tmp == 0) && !(tmp == 0)) && !(tmp___0 == 0)) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && !(\result == 0)) && pumpRunning == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 1))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) && (!(1 == systemActive) || !(\old(pumpRunning) == 1))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && !(tmp == 0)) && \old(waterLevel) == waterLevel)) || ((((((pumpRunning == 0 && tmp == 0) && !(tmp == 0)) && !(tmp___0 == 0)) && \result == 0) && \old(waterLevel) == waterLevel) && !(\result == 0)))) && ((((((((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && !(tmp == 0)) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: (((((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && pumpRunning == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((((((((tmp == 0 && !(tmp == 0)) && !(tmp___0 == 0)) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && !(\result == 0)) && pumpRunning == 1)) && (!(1 == systemActive) || !(\old(pumpRunning) == 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && \result <= 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && 0 <= \result) && pumpRunning == 1)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1 - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || pumpRunning == 1)) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || waterLevel <= 1) || !(\old(pumpRunning) == 1))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) && (((((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical))) && (((((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((((pumpRunning == 0 && tmp == 0) && !(tmp___0 == 0)) && \result == 0) && \old(waterLevel) == waterLevel) && !(\result == 0))) || !(methaneLevelCritical == 1)) - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: ((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || pumpRunning == 1) && ((((((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && pumpRunning == 1) || ((((pumpRunning == 0 && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel)) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((((((pumpRunning == 0 && !(tmp == 0)) && tmp == 0) && !(tmp == 0)) && !(tmp___0 == 0)) && \result == 0) && \old(waterLevel) == waterLevel) && !(\result == 0))) || !(methaneLevelCritical == 1)) || ((((((((tmp == 0 && !(tmp == 0)) && !(tmp___0 == 0)) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && !(\result == 0)) && pumpRunning == 1))) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || waterLevel <= 1) || !(\old(pumpRunning) == 1))) && ((((((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && \result <= 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && 0 <= \result) && pumpRunning == 1)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (((((((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && pumpRunning == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((((((((tmp == 0 && !(tmp == 0)) && !(tmp___0 == 0)) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && !(\result == 0)) && pumpRunning == 1)) || (((pumpRunning == 0 && waterLevel <= 1) && !(tmp == 0)) && \old(waterLevel) == waterLevel)) || ((((((pumpRunning == 0 && tmp == 0) && !(tmp == 0)) && !(tmp___0 == 0)) && \result == 0) && \old(waterLevel) == waterLevel) && !(\result == 0))) && (!(1 == systemActive) || !(\old(pumpRunning) == 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && \result <= 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && 0 <= \result) && pumpRunning == 1)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: ((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || pumpRunning == 1) && (((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && \result <= 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && 0 <= \result) && pumpRunning == 1)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical))) && ((((((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && pumpRunning == 1) || ((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel)) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((((((((tmp == 0 && !(tmp == 0)) && !(tmp___0 == 0)) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && !(\result == 0)) && pumpRunning == 1)) || ((((((pumpRunning == 0 && tmp == 0) && !(tmp == 0)) && !(tmp___0 == 0)) && \result == 0) && \old(waterLevel) == waterLevel) && !(\result == 0)))) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || waterLevel <= 1) || !(\old(pumpRunning) == 1)) - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical <= 0) && splverifierCounter == 0) && 0 <= methaneLevelCritical) || (((pumpRunning == 0 && 1 == systemActive) && methaneLevelCritical == 1) && splverifierCounter == 0)) || ((1 == systemActive && splverifierCounter == 0) && pumpRunning == 1) - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-18 20:15:01,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2847c0e5-38c9-43a2-8c60-80ff373425aa/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE