./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050cf0b8-72f6-4aa7-8821-574c6eaf8754/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050cf0b8-72f6-4aa7-8821-574c6eaf8754/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050cf0b8-72f6-4aa7-8821-574c6eaf8754/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050cf0b8-72f6-4aa7-8821-574c6eaf8754/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050cf0b8-72f6-4aa7-8821-574c6eaf8754/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050cf0b8-72f6-4aa7-8821-574c6eaf8754/bin/uautomizer-DrprNOufMa --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 aad1ec08d8a193b38b6e11f9698a2d5cafe1e5bac6d0d3a9987fa93ed6006219 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 01:33:37,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 01:33:37,256 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 01:33:37,284 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 01:33:37,285 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 01:33:37,286 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 01:33:37,288 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 01:33:37,290 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 01:33:37,292 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 01:33:37,293 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 01:33:37,295 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 01:33:37,296 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 01:33:37,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 01:33:37,297 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 01:33:37,299 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 01:33:37,300 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 01:33:37,301 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 01:33:37,302 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 01:33:37,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 01:33:37,307 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 01:33:37,309 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 01:33:37,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 01:33:37,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 01:33:37,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 01:33:37,316 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 01:33:37,317 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 01:33:37,317 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 01:33:37,318 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 01:33:37,319 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 01:33:37,320 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 01:33:37,320 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 01:33:37,321 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 01:33:37,322 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 01:33:37,323 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 01:33:37,324 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 01:33:37,324 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 01:33:37,325 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 01:33:37,325 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 01:33:37,325 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 01:33:37,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 01:33:37,326 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 01:33:37,327 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050cf0b8-72f6-4aa7-8821-574c6eaf8754/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-07 01:33:37,344 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 01:33:37,345 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 01:33:37,345 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 01:33:37,345 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 01:33:37,345 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 01:33:37,346 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 01:33:37,346 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 01:33:37,346 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 01:33:37,346 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 01:33:37,347 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 01:33:37,347 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 01:33:37,347 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 01:33:37,347 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 01:33:37,347 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 01:33:37,347 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 01:33:37,348 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 01:33:37,348 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 01:33:37,348 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 01:33:37,348 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 01:33:37,348 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 01:33:37,348 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 01:33:37,348 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 01:33:37,349 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 01:33:37,349 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 01:33:37,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:33:37,349 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 01:33:37,349 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 01:33:37,349 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 01:33:37,349 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 01:33:37,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 01:33:37,350 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 01:33:37,350 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 01:33:37,350 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 01:33:37,350 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 01:33:37,350 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_050cf0b8-72f6-4aa7-8821-574c6eaf8754/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050cf0b8-72f6-4aa7-8821-574c6eaf8754/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aad1ec08d8a193b38b6e11f9698a2d5cafe1e5bac6d0d3a9987fa93ed6006219 [2021-12-07 01:33:37,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 01:33:37,548 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 01:33:37,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 01:33:37,552 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 01:33:37,552 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 01:33:37,553 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050cf0b8-72f6-4aa7-8821-574c6eaf8754/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c [2021-12-07 01:33:37,598 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050cf0b8-72f6-4aa7-8821-574c6eaf8754/bin/uautomizer-DrprNOufMa/data/6a8dfab01/d59b2bcb02104348961653fc2f6bd90e/FLAG2ce527e13 [2021-12-07 01:33:37,996 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 01:33:37,997 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050cf0b8-72f6-4aa7-8821-574c6eaf8754/sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c [2021-12-07 01:33:38,005 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050cf0b8-72f6-4aa7-8821-574c6eaf8754/bin/uautomizer-DrprNOufMa/data/6a8dfab01/d59b2bcb02104348961653fc2f6bd90e/FLAG2ce527e13 [2021-12-07 01:33:38,015 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050cf0b8-72f6-4aa7-8821-574c6eaf8754/bin/uautomizer-DrprNOufMa/data/6a8dfab01/d59b2bcb02104348961653fc2f6bd90e [2021-12-07 01:33:38,017 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 01:33:38,018 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 01:33:38,019 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 01:33:38,019 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 01:33:38,022 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 01:33:38,022 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:33:38" (1/1) ... [2021-12-07 01:33:38,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5525d3d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:33:38, skipping insertion in model container [2021-12-07 01:33:38,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:33:38" (1/1) ... [2021-12-07 01:33:38,028 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 01:33:38,062 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 01:33:38,208 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050cf0b8-72f6-4aa7-8821-574c6eaf8754/sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c[7021,7034] [2021-12-07 01:33:38,249 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:33:38,256 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 01:33:38,282 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050cf0b8-72f6-4aa7-8821-574c6eaf8754/sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c[7021,7034] [2021-12-07 01:33:38,307 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:33:38,320 INFO L208 MainTranslator]: Completed translation [2021-12-07 01:33:38,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:33:38 WrapperNode [2021-12-07 01:33:38,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 01:33:38,322 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 01:33:38,322 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 01:33:38,322 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 01:33:38,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:33:38" (1/1) ... [2021-12-07 01:33:38,338 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:33:38" (1/1) ... [2021-12-07 01:33:38,358 INFO L137 Inliner]: procedures = 54, calls = 154, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 247 [2021-12-07 01:33:38,358 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 01:33:38,359 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 01:33:38,359 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 01:33:38,359 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 01:33:38,365 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:33:38" (1/1) ... [2021-12-07 01:33:38,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:33:38" (1/1) ... [2021-12-07 01:33:38,367 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:33:38" (1/1) ... [2021-12-07 01:33:38,367 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:33:38" (1/1) ... [2021-12-07 01:33:38,372 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:33:38" (1/1) ... [2021-12-07 01:33:38,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:33:38" (1/1) ... [2021-12-07 01:33:38,377 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:33:38" (1/1) ... [2021-12-07 01:33:38,379 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 01:33:38,380 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 01:33:38,380 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 01:33:38,380 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 01:33:38,381 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:33:38" (1/1) ... [2021-12-07 01:33:38,388 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:33:38,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050cf0b8-72f6-4aa7-8821-574c6eaf8754/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:33:38,408 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050cf0b8-72f6-4aa7-8821-574c6eaf8754/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 01:33:38,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050cf0b8-72f6-4aa7-8821-574c6eaf8754/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 01:33:38,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 01:33:38,439 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-07 01:33:38,439 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-07 01:33:38,439 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-07 01:33:38,439 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-07 01:33:38,439 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-07 01:33:38,440 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-07 01:33:38,440 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-07 01:33:38,440 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-07 01:33:38,440 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-12-07 01:33:38,440 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-12-07 01:33:38,440 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-07 01:33:38,440 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-07 01:33:38,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 01:33:38,440 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-07 01:33:38,440 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-07 01:33:38,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 01:33:38,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 01:33:38,497 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 01:33:38,498 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 01:33:38,712 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 01:33:38,718 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 01:33:38,718 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-07 01:33:38,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:33:38 BoogieIcfgContainer [2021-12-07 01:33:38,720 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 01:33:38,721 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 01:33:38,721 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 01:33:38,723 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 01:33:38,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:33:38" (1/3) ... [2021-12-07 01:33:38,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27219b8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:33:38, skipping insertion in model container [2021-12-07 01:33:38,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:33:38" (2/3) ... [2021-12-07 01:33:38,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27219b8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:33:38, skipping insertion in model container [2021-12-07 01:33:38,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:33:38" (3/3) ... [2021-12-07 01:33:38,725 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product37.cil.c [2021-12-07 01:33:38,729 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 01:33:38,729 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-07 01:33:38,764 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 01:33:38,769 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-07 01:33:38,769 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-07 01:33:38,782 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 66 states have (on average 1.393939393939394) internal successors, (92), 74 states have internal predecessors, (92), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2021-12-07 01:33:38,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-07 01:33:38,788 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:33:38,788 INFO L514 BasicCegarLoop]: 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] [2021-12-07 01:33:38,788 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:33:38,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:33:38,792 INFO L85 PathProgramCache]: Analyzing trace with hash -985804635, now seen corresponding path program 1 times [2021-12-07 01:33:38,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:33:38,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55267929] [2021-12-07 01:33:38,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:33:38,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:33:38,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:38,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-07 01:33:38,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:38,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:33:38,957 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:33:38,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55267929] [2021-12-07 01:33:38,957 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55267929] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:33:38,958 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:33:38,958 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 01:33:38,960 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428399363] [2021-12-07 01:33:38,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:33:38,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-07 01:33:38,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:33:38,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-07 01:33:38,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-07 01:33:38,985 INFO L87 Difference]: Start difference. First operand has 87 states, 66 states have (on average 1.393939393939394) internal successors, (92), 74 states have internal predecessors, (92), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-07 01:33:39,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:33:39,008 INFO L93 Difference]: Finished difference Result 165 states and 226 transitions. [2021-12-07 01:33:39,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 01:33:39,009 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 [2021-12-07 01:33:39,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:33:39,016 INFO L225 Difference]: With dead ends: 165 [2021-12-07 01:33:39,016 INFO L226 Difference]: Without dead ends: 78 [2021-12-07 01:33:39,019 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:33:39,022 INFO L933 BasicCegarLoop]: 110 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, 110 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 [2021-12-07 01:33:39,023 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 01:33:39,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-12-07 01:33:39,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2021-12-07 01:33:39,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 59 states have (on average 1.3220338983050848) internal successors, (78), 66 states have internal predecessors, (78), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-07 01:33:39,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 101 transitions. [2021-12-07 01:33:39,055 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 101 transitions. Word has length 25 [2021-12-07 01:33:39,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:33:39,056 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 101 transitions. [2021-12-07 01:33:39,056 INFO L471 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) [2021-12-07 01:33:39,056 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 101 transitions. [2021-12-07 01:33:39,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-12-07 01:33:39,059 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:33:39,059 INFO L514 BasicCegarLoop]: 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] [2021-12-07 01:33:39,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 01:33:39,060 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:33:39,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:33:39,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1726186972, now seen corresponding path program 1 times [2021-12-07 01:33:39,061 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:33:39,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825226106] [2021-12-07 01:33:39,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:33:39,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:33:39,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:39,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-07 01:33:39,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:39,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:33:39,135 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:33:39,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825226106] [2021-12-07 01:33:39,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825226106] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:33:39,136 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:33:39,136 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 01:33:39,136 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005584964] [2021-12-07 01:33:39,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:33:39,137 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:33:39,137 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:33:39,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:33:39,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:33:39,138 INFO L87 Difference]: Start difference. First operand 78 states and 101 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) [2021-12-07 01:33:39,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:33:39,154 INFO L93 Difference]: Finished difference Result 121 states and 157 transitions. [2021-12-07 01:33:39,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:33:39,155 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 [2021-12-07 01:33:39,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:33:39,157 INFO L225 Difference]: With dead ends: 121 [2021-12-07 01:33:39,157 INFO L226 Difference]: Without dead ends: 69 [2021-12-07 01:33:39,158 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:33:39,159 INFO L933 BasicCegarLoop]: 88 mSDtfsCounter, 12 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 160 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 [2021-12-07 01:33:39,160 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 160 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 01:33:39,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-12-07 01:33:39,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2021-12-07 01:33:39,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 53 states have (on average 1.3396226415094339) internal successors, (71), 60 states have internal predecessors, (71), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-07 01:33:39,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 89 transitions. [2021-12-07 01:33:39,171 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 89 transitions. Word has length 26 [2021-12-07 01:33:39,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:33:39,172 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 89 transitions. [2021-12-07 01:33:39,172 INFO L471 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) [2021-12-07 01:33:39,172 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 89 transitions. [2021-12-07 01:33:39,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-12-07 01:33:39,173 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:33:39,174 INFO L514 BasicCegarLoop]: 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] [2021-12-07 01:33:39,174 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 01:33:39,174 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:33:39,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:33:39,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1161832603, now seen corresponding path program 1 times [2021-12-07 01:33:39,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:33:39,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965156462] [2021-12-07 01:33:39,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:33:39,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:33:39,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:39,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-07 01:33:39,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:39,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:33:39,243 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:33:39,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965156462] [2021-12-07 01:33:39,244 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965156462] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:33:39,244 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:33:39,244 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 01:33:39,244 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955316095] [2021-12-07 01:33:39,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:33:39,245 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:33:39,245 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:33:39,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:33:39,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:33:39,246 INFO L87 Difference]: Start difference. First operand 69 states and 89 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) [2021-12-07 01:33:39,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:33:39,262 INFO L93 Difference]: Finished difference Result 130 states and 171 transitions. [2021-12-07 01:33:39,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:33:39,263 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 [2021-12-07 01:33:39,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:33:39,264 INFO L225 Difference]: With dead ends: 130 [2021-12-07 01:33:39,264 INFO L226 Difference]: Without dead ends: 69 [2021-12-07 01:33:39,265 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:33:39,267 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 70 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 87 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 [2021-12-07 01:33:39,267 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [70 Valid, 87 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 01:33:39,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-12-07 01:33:39,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2021-12-07 01:33:39,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 53 states have (on average 1.320754716981132) internal successors, (70), 60 states have internal predecessors, (70), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-07 01:33:39,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 88 transitions. [2021-12-07 01:33:39,277 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 88 transitions. Word has length 30 [2021-12-07 01:33:39,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:33:39,277 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 88 transitions. [2021-12-07 01:33:39,277 INFO L471 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) [2021-12-07 01:33:39,278 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 88 transitions. [2021-12-07 01:33:39,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-12-07 01:33:39,279 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:33:39,279 INFO L514 BasicCegarLoop]: 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] [2021-12-07 01:33:39,279 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-07 01:33:39,279 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:33:39,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:33:39,280 INFO L85 PathProgramCache]: Analyzing trace with hash 202365907, now seen corresponding path program 1 times [2021-12-07 01:33:39,280 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:33:39,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610051895] [2021-12-07 01:33:39,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:33:39,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:33:39,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:39,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-07 01:33:39,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:39,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:33:39,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:39,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-07 01:33:39,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:39,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:33:39,336 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:33:39,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610051895] [2021-12-07 01:33:39,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610051895] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:33:39,336 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:33:39,336 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 01:33:39,337 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169490187] [2021-12-07 01:33:39,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:33:39,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 01:33:39,337 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:33:39,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 01:33:39,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 01:33:39,338 INFO L87 Difference]: Start difference. First operand 69 states and 88 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-07 01:33:39,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:33:39,472 INFO L93 Difference]: Finished difference Result 204 states and 262 transitions. [2021-12-07 01:33:39,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 01:33:39,472 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 40 [2021-12-07 01:33:39,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:33:39,474 INFO L225 Difference]: With dead ends: 204 [2021-12-07 01:33:39,474 INFO L226 Difference]: Without dead ends: 143 [2021-12-07 01:33:39,474 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-12-07 01:33:39,476 INFO L933 BasicCegarLoop]: 129 mSDtfsCounter, 161 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:33:39,476 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [163 Valid, 298 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-07 01:33:39,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2021-12-07 01:33:39,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 137. [2021-12-07 01:33:39,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 105 states have (on average 1.2857142857142858) internal successors, (135), 112 states have internal predecessors, (135), 15 states have call successors, (15), 13 states have call predecessors, (15), 16 states have return successors, (20), 16 states have call predecessors, (20), 15 states have call successors, (20) [2021-12-07 01:33:39,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 170 transitions. [2021-12-07 01:33:39,491 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 170 transitions. Word has length 40 [2021-12-07 01:33:39,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:33:39,492 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 170 transitions. [2021-12-07 01:33:39,492 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-07 01:33:39,492 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 170 transitions. [2021-12-07 01:33:39,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-12-07 01:33:39,493 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:33:39,493 INFO L514 BasicCegarLoop]: 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] [2021-12-07 01:33:39,493 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-07 01:33:39,493 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:33:39,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:33:39,494 INFO L85 PathProgramCache]: Analyzing trace with hash 886374373, now seen corresponding path program 1 times [2021-12-07 01:33:39,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:33:39,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711950696] [2021-12-07 01:33:39,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:33:39,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:33:39,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:39,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-07 01:33:39,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:39,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-07 01:33:39,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:39,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:33:39,545 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:33:39,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711950696] [2021-12-07 01:33:39,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711950696] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:33:39,546 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:33:39,546 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:33:39,546 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449776569] [2021-12-07 01:33:39,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:33:39,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:33:39,546 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:33:39,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:33:39,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:33:39,547 INFO L87 Difference]: Start difference. First operand 137 states and 170 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-07 01:33:39,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:33:39,692 INFO L93 Difference]: Finished difference Result 383 states and 498 transitions. [2021-12-07 01:33:39,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-07 01:33:39,692 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2021-12-07 01:33:39,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:33:39,694 INFO L225 Difference]: With dead ends: 383 [2021-12-07 01:33:39,695 INFO L226 Difference]: Without dead ends: 254 [2021-12-07 01:33:39,695 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2021-12-07 01:33:39,696 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 154 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:33:39,697 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [160 Valid, 405 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-07 01:33:39,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2021-12-07 01:33:39,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 221. [2021-12-07 01:33:39,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 170 states have (on average 1.2882352941176471) internal successors, (219), 179 states have internal predecessors, (219), 25 states have call successors, (25), 23 states have call predecessors, (25), 25 states have return successors, (35), 25 states have call predecessors, (35), 25 states have call successors, (35) [2021-12-07 01:33:39,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 279 transitions. [2021-12-07 01:33:39,717 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 279 transitions. Word has length 44 [2021-12-07 01:33:39,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:33:39,717 INFO L470 AbstractCegarLoop]: Abstraction has 221 states and 279 transitions. [2021-12-07 01:33:39,717 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-07 01:33:39,717 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 279 transitions. [2021-12-07 01:33:39,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-12-07 01:33:39,719 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:33:39,719 INFO L514 BasicCegarLoop]: 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] [2021-12-07 01:33:39,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-07 01:33:39,719 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:33:39,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:33:39,720 INFO L85 PathProgramCache]: Analyzing trace with hash 463672547, now seen corresponding path program 1 times [2021-12-07 01:33:39,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:33:39,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504112210] [2021-12-07 01:33:39,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:33:39,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:33:39,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:39,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-07 01:33:39,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:39,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-07 01:33:39,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:39,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:33:39,775 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:33:39,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504112210] [2021-12-07 01:33:39,775 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504112210] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:33:39,775 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:33:39,775 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:33:39,776 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972178592] [2021-12-07 01:33:39,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:33:39,776 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:33:39,776 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:33:39,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:33:39,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:33:39,777 INFO L87 Difference]: Start difference. First operand 221 states and 279 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-07 01:33:39,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:33:39,867 INFO L93 Difference]: Finished difference Result 448 states and 573 transitions. [2021-12-07 01:33:39,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 01:33:39,867 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2021-12-07 01:33:39,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:33:39,869 INFO L225 Difference]: With dead ends: 448 [2021-12-07 01:33:39,869 INFO L226 Difference]: Without dead ends: 235 [2021-12-07 01:33:39,870 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-07 01:33:39,871 INFO L933 BasicCegarLoop]: 90 mSDtfsCounter, 60 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:33:39,871 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 368 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-07 01:33:39,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2021-12-07 01:33:39,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 227. [2021-12-07 01:33:39,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 176 states have (on average 1.2784090909090908) internal successors, (225), 185 states have internal predecessors, (225), 25 states have call successors, (25), 23 states have call predecessors, (25), 25 states have return successors, (35), 25 states have call predecessors, (35), 25 states have call successors, (35) [2021-12-07 01:33:39,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 285 transitions. [2021-12-07 01:33:39,888 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 285 transitions. Word has length 44 [2021-12-07 01:33:39,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:33:39,888 INFO L470 AbstractCegarLoop]: Abstraction has 227 states and 285 transitions. [2021-12-07 01:33:39,889 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-07 01:33:39,889 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 285 transitions. [2021-12-07 01:33:39,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-12-07 01:33:39,890 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:33:39,890 INFO L514 BasicCegarLoop]: 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] [2021-12-07 01:33:39,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-07 01:33:39,890 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:33:39,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:33:39,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1225271195, now seen corresponding path program 1 times [2021-12-07 01:33:39,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:33:39,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669321443] [2021-12-07 01:33:39,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:33:39,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:33:39,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:39,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-07 01:33:39,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:39,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-07 01:33:39,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:39,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:33:39,943 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:33:39,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669321443] [2021-12-07 01:33:39,944 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669321443] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:33:39,944 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:33:39,944 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:33:39,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335346580] [2021-12-07 01:33:39,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:33:39,944 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:33:39,945 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:33:39,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:33:39,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:33:39,945 INFO L87 Difference]: Start difference. First operand 227 states and 285 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-07 01:33:40,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:33:40,030 INFO L93 Difference]: Finished difference Result 413 states and 524 transitions. [2021-12-07 01:33:40,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 01:33:40,031 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2021-12-07 01:33:40,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:33:40,033 INFO L225 Difference]: With dead ends: 413 [2021-12-07 01:33:40,033 INFO L226 Difference]: Without dead ends: 194 [2021-12-07 01:33:40,034 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:33:40,035 INFO L933 BasicCegarLoop]: 73 mSDtfsCounter, 137 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:33:40,035 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [141 Valid, 235 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-07 01:33:40,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2021-12-07 01:33:40,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 189. [2021-12-07 01:33:40,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 146 states have (on average 1.2534246575342465) internal successors, (183), 154 states have internal predecessors, (183), 21 states have call successors, (21), 19 states have call predecessors, (21), 21 states have return successors, (26), 21 states have call predecessors, (26), 21 states have call successors, (26) [2021-12-07 01:33:40,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 230 transitions. [2021-12-07 01:33:40,050 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 230 transitions. Word has length 44 [2021-12-07 01:33:40,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:33:40,050 INFO L470 AbstractCegarLoop]: Abstraction has 189 states and 230 transitions. [2021-12-07 01:33:40,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-07 01:33:40,050 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 230 transitions. [2021-12-07 01:33:40,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-12-07 01:33:40,054 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:33:40,054 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:33:40,054 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-07 01:33:40,055 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:33:40,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:33:40,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1754769083, now seen corresponding path program 1 times [2021-12-07 01:33:40,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:33:40,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090646416] [2021-12-07 01:33:40,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:33:40,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:33:40,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:40,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-07 01:33:40,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:40,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-07 01:33:40,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:40,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 01:33:40,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:40,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:33:40,111 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:33:40,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090646416] [2021-12-07 01:33:40,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090646416] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:33:40,111 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:33:40,111 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:33:40,111 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453935761] [2021-12-07 01:33:40,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:33:40,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:33:40,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:33:40,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:33:40,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:33:40,112 INFO L87 Difference]: Start difference. First operand 189 states and 230 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-07 01:33:40,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:33:40,241 INFO L93 Difference]: Finished difference Result 384 states and 468 transitions. [2021-12-07 01:33:40,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-07 01:33:40,242 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 46 [2021-12-07 01:33:40,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:33:40,244 INFO L225 Difference]: With dead ends: 384 [2021-12-07 01:33:40,244 INFO L226 Difference]: Without dead ends: 203 [2021-12-07 01:33:40,244 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-12-07 01:33:40,245 INFO L933 BasicCegarLoop]: 86 mSDtfsCounter, 113 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:33:40,246 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 341 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-07 01:33:40,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2021-12-07 01:33:40,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 186. [2021-12-07 01:33:40,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 143 states have (on average 1.2167832167832169) internal successors, (174), 151 states have internal predecessors, (174), 21 states have call successors, (21), 19 states have call predecessors, (21), 21 states have return successors, (26), 21 states have call predecessors, (26), 21 states have call successors, (26) [2021-12-07 01:33:40,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 221 transitions. [2021-12-07 01:33:40,260 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 221 transitions. Word has length 46 [2021-12-07 01:33:40,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:33:40,261 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 221 transitions. [2021-12-07 01:33:40,261 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-07 01:33:40,261 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 221 transitions. [2021-12-07 01:33:40,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-12-07 01:33:40,262 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:33:40,262 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:33:40,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-07 01:33:40,263 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:33:40,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:33:40,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1319361279, now seen corresponding path program 1 times [2021-12-07 01:33:40,263 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:33:40,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110624924] [2021-12-07 01:33:40,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:33:40,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:33:40,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:40,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-07 01:33:40,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:40,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-07 01:33:40,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:40,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-07 01:33:40,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:40,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:33:40,315 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:33:40,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110624924] [2021-12-07 01:33:40,315 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110624924] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:33:40,315 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:33:40,315 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 01:33:40,315 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366395077] [2021-12-07 01:33:40,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:33:40,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 01:33:40,316 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:33:40,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 01:33:40,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 01:33:40,316 INFO L87 Difference]: Start difference. First operand 186 states and 221 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-07 01:33:40,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:33:40,467 INFO L93 Difference]: Finished difference Result 360 states and 441 transitions. [2021-12-07 01:33:40,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 01:33:40,468 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 48 [2021-12-07 01:33:40,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:33:40,470 INFO L225 Difference]: With dead ends: 360 [2021-12-07 01:33:40,470 INFO L226 Difference]: Without dead ends: 358 [2021-12-07 01:33:40,470 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:33:40,470 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 253 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:33:40,471 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [257 Valid, 241 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-07 01:33:40,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2021-12-07 01:33:40,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 275. [2021-12-07 01:33:40,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 210 states have (on average 1.2190476190476192) internal successors, (256), 223 states have internal predecessors, (256), 31 states have call successors, (31), 28 states have call predecessors, (31), 33 states have return successors, (46), 31 states have call predecessors, (46), 31 states have call successors, (46) [2021-12-07 01:33:40,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 333 transitions. [2021-12-07 01:33:40,499 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 333 transitions. Word has length 48 [2021-12-07 01:33:40,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:33:40,499 INFO L470 AbstractCegarLoop]: Abstraction has 275 states and 333 transitions. [2021-12-07 01:33:40,499 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-07 01:33:40,499 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 333 transitions. [2021-12-07 01:33:40,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-12-07 01:33:40,501 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:33:40,502 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:33:40,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-07 01:33:40,502 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:33:40,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:33:40,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1077253484, now seen corresponding path program 1 times [2021-12-07 01:33:40,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:33:40,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904112514] [2021-12-07 01:33:40,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:33:40,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:33:40,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:40,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-07 01:33:40,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:40,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-07 01:33:40,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:40,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:33:40,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:40,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-07 01:33:40,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:40,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-07 01:33:40,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:40,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-07 01:33:40,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:40,589 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 13 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-07 01:33:40,589 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:33:40,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904112514] [2021-12-07 01:33:40,590 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904112514] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:33:40,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2060289543] [2021-12-07 01:33:40,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:33:40,590 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:33:40,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050cf0b8-72f6-4aa7-8821-574c6eaf8754/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:33:40,591 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050cf0b8-72f6-4aa7-8821-574c6eaf8754/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:33:40,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050cf0b8-72f6-4aa7-8821-574c6eaf8754/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-07 01:33:40,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:40,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-07 01:33:40,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:33:40,811 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:33:40,811 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:33:40,812 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2060289543] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:33:40,812 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-07 01:33:40,812 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 8 [2021-12-07 01:33:40,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745034558] [2021-12-07 01:33:40,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:33:40,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:33:40,813 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:33:40,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:33:40,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-07 01:33:40,813 INFO L87 Difference]: Start difference. First operand 275 states and 333 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2021-12-07 01:33:40,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:33:40,843 INFO L93 Difference]: Finished difference Result 461 states and 565 transitions. [2021-12-07 01:33:40,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:33:40,844 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 86 [2021-12-07 01:33:40,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:33:40,846 INFO L225 Difference]: With dead ends: 461 [2021-12-07 01:33:40,846 INFO L226 Difference]: Without dead ends: 240 [2021-12-07 01:33:40,847 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-07 01:33:40,848 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 37 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:33:40,848 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 190 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 01:33:40,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2021-12-07 01:33:40,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 240. [2021-12-07 01:33:40,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 182 states have (on average 1.2142857142857142) internal successors, (221), 194 states have internal predecessors, (221), 28 states have call successors, (28), 25 states have call predecessors, (28), 29 states have return successors, (36), 28 states have call predecessors, (36), 28 states have call successors, (36) [2021-12-07 01:33:40,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 285 transitions. [2021-12-07 01:33:40,864 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 285 transitions. Word has length 86 [2021-12-07 01:33:40,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:33:40,864 INFO L470 AbstractCegarLoop]: Abstraction has 240 states and 285 transitions. [2021-12-07 01:33:40,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2021-12-07 01:33:40,865 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 285 transitions. [2021-12-07 01:33:40,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-12-07 01:33:40,866 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:33:40,866 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:33:40,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050cf0b8-72f6-4aa7-8821-574c6eaf8754/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-07 01:33:41,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050cf0b8-72f6-4aa7-8821-574c6eaf8754/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-07 01:33:41,068 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:33:41,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:33:41,069 INFO L85 PathProgramCache]: Analyzing trace with hash 187606056, now seen corresponding path program 1 times [2021-12-07 01:33:41,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:33:41,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563417932] [2021-12-07 01:33:41,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:33:41,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:33:41,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:41,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-07 01:33:41,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:41,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-07 01:33:41,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:41,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:33:41,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:41,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-07 01:33:41,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:41,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-07 01:33:41,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:41,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-07 01:33:41,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:41,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:33:41,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:41,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-07 01:33:41,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:41,295 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-07 01:33:41,295 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:33:41,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563417932] [2021-12-07 01:33:41,295 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563417932] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:33:41,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [77219603] [2021-12-07 01:33:41,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:33:41,295 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:33:41,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050cf0b8-72f6-4aa7-8821-574c6eaf8754/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:33:41,296 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050cf0b8-72f6-4aa7-8821-574c6eaf8754/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:33:41,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050cf0b8-72f6-4aa7-8821-574c6eaf8754/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-07 01:33:41,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:41,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-07 01:33:41,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:33:41,676 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-12-07 01:33:41,676 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 01:33:41,896 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-12-07 01:33:41,897 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [77219603] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-07 01:33:41,897 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-12-07 01:33:41,897 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10, 5] total 14 [2021-12-07 01:33:41,897 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931893636] [2021-12-07 01:33:41,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:33:41,897 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:33:41,898 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:33:41,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:33:41,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:33:41,898 INFO L87 Difference]: Start difference. First operand 240 states and 285 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-07 01:33:41,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:33:41,971 INFO L93 Difference]: Finished difference Result 684 states and 829 transitions. [2021-12-07 01:33:41,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 01:33:41,971 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 91 [2021-12-07 01:33:41,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:33:41,973 INFO L225 Difference]: With dead ends: 684 [2021-12-07 01:33:41,974 INFO L226 Difference]: Without dead ends: 452 [2021-12-07 01:33:41,974 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 188 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2021-12-07 01:33:41,975 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 51 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 423 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 [2021-12-07 01:33:41,975 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 423 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 01:33:41,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2021-12-07 01:33:41,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 408. [2021-12-07 01:33:41,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 306 states have (on average 1.1862745098039216) internal successors, (363), 327 states have internal predecessors, (363), 49 states have call successors, (49), 44 states have call predecessors, (49), 52 states have return successors, (65), 49 states have call predecessors, (65), 49 states have call successors, (65) [2021-12-07 01:33:41,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 477 transitions. [2021-12-07 01:33:41,997 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 477 transitions. Word has length 91 [2021-12-07 01:33:41,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:33:41,997 INFO L470 AbstractCegarLoop]: Abstraction has 408 states and 477 transitions. [2021-12-07 01:33:41,997 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-07 01:33:41,997 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 477 transitions. [2021-12-07 01:33:41,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-12-07 01:33:41,999 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:33:41,999 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:33:42,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050cf0b8-72f6-4aa7-8821-574c6eaf8754/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-07 01:33:42,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050cf0b8-72f6-4aa7-8821-574c6eaf8754/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-12-07 01:33:42,200 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:33:42,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:33:42,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1820456588, now seen corresponding path program 1 times [2021-12-07 01:33:42,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:33:42,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326761755] [2021-12-07 01:33:42,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:33:42,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:33:42,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:42,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-07 01:33:42,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:42,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 01:33:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:42,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-07 01:33:42,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:42,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:33:42,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:42,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-07 01:33:42,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:42,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-07 01:33:42,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:42,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-07 01:33:42,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:42,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:33:42,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:42,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-07 01:33:42,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:42,329 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-07 01:33:42,329 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:33:42,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326761755] [2021-12-07 01:33:42,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326761755] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:33:42,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2047222895] [2021-12-07 01:33:42,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:33:42,330 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:33:42,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050cf0b8-72f6-4aa7-8821-574c6eaf8754/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:33:42,331 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050cf0b8-72f6-4aa7-8821-574c6eaf8754/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:33:42,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050cf0b8-72f6-4aa7-8821-574c6eaf8754/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-07 01:33:42,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:42,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-07 01:33:42,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:33:42,529 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-12-07 01:33:42,529 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:33:42,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2047222895] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:33:42,530 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-07 01:33:42,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 16 [2021-12-07 01:33:42,530 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699677343] [2021-12-07 01:33:42,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:33:42,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 01:33:42,530 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:33:42,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 01:33:42,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2021-12-07 01:33:42,531 INFO L87 Difference]: Start difference. First operand 408 states and 477 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 6 states have internal predecessors, (73), 3 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2021-12-07 01:33:42,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:33:42,601 INFO L93 Difference]: Finished difference Result 766 states and 901 transitions. [2021-12-07 01:33:42,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 01:33:42,601 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 6 states have internal predecessors, (73), 3 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 95 [2021-12-07 01:33:42,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:33:42,602 INFO L225 Difference]: With dead ends: 766 [2021-12-07 01:33:42,602 INFO L226 Difference]: Without dead ends: 0 [2021-12-07 01:33:42,603 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2021-12-07 01:33:42,604 INFO L933 BasicCegarLoop]: 156 mSDtfsCounter, 46 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 728 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:33:42,604 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 728 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 01:33:42,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-07 01:33:42,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-07 01:33:42,605 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) [2021-12-07 01:33:42,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-07 01:33:42,605 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 95 [2021-12-07 01:33:42,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:33:42,605 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-07 01:33:42,605 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 6 states have internal predecessors, (73), 3 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2021-12-07 01:33:42,606 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-07 01:33:42,606 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-07 01:33:42,607 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-07 01:33:42,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050cf0b8-72f6-4aa7-8821-574c6eaf8754/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-07 01:33:42,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050cf0b8-72f6-4aa7-8821-574c6eaf8754/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-12-07 01:33:42,811 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-07 01:33:45,030 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 87 93) no Hoare annotation was computed. [2021-12-07 01:33:45,030 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 87 93) the Hoare annotation is: true [2021-12-07 01:33:45,031 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 373 384) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~pumpRunning~0))) (.cse5 (not (<= |old(~methaneLevelCritical~0)| 0))) (.cse6 (and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))) (.cse7 (not (<= 0 |old(~methaneLevelCritical~0)|))) (.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse4 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse8 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse6 .cse7 .cse8) (or .cse1 .cse2 .cse5 .cse6 .cse7 .cse8) (or .cse0 .cse4 .cse1 .cse3 .cse8))) [2021-12-07 01:33:45,031 INFO L858 garLoopResultBuilder]: For program point L377-1(lines 373 384) no Hoare annotation was computed. [2021-12-07 01:33:45,031 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 373 384) no Hoare annotation was computed. [2021-12-07 01:33:45,031 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 817 846) no Hoare annotation was computed. [2021-12-07 01:33:45,031 INFO L858 garLoopResultBuilder]: For program point L831(lines 831 835) no Hoare annotation was computed. [2021-12-07 01:33:45,031 INFO L861 garLoopResultBuilder]: At program point L831-1(lines 831 835) the Hoare annotation is: true [2021-12-07 01:33:45,031 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 817 846) the Hoare annotation is: true [2021-12-07 01:33:45,031 INFO L858 garLoopResultBuilder]: For program point L828(line 828) no Hoare annotation was computed. [2021-12-07 01:33:45,031 INFO L861 garLoopResultBuilder]: At program point L827-2(lines 827 841) the Hoare annotation is: true [2021-12-07 01:33:45,031 INFO L861 garLoopResultBuilder]: At program point L823(line 823) the Hoare annotation is: true [2021-12-07 01:33:45,031 INFO L858 garLoopResultBuilder]: For program point L823-1(line 823) no Hoare annotation was computed. [2021-12-07 01:33:45,031 INFO L861 garLoopResultBuilder]: At program point L842(lines 817 846) the Hoare annotation is: true [2021-12-07 01:33:45,031 INFO L858 garLoopResultBuilder]: For program point L838(line 838) no Hoare annotation was computed. [2021-12-07 01:33:45,031 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 385 393) the Hoare annotation is: true [2021-12-07 01:33:45,031 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 385 393) no Hoare annotation was computed. [2021-12-07 01:33:45,032 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 385 393) no Hoare annotation was computed. [2021-12-07 01:33:45,032 INFO L858 garLoopResultBuilder]: For program point L353(lines 353 357) no Hoare annotation was computed. [2021-12-07 01:33:45,032 INFO L854 garLoopResultBuilder]: At program point L353-2(lines 349 360) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 0 ~methaneLevelCritical~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1 .cse2) (or .cse3 (= ~methAndRunningLastTime~0 0) .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse3 .cse0 .cse2))) [2021-12-07 01:33:45,032 INFO L854 garLoopResultBuilder]: At program point L159(lines 154 161) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 0 ~methaneLevelCritical~0)))) (and (or (= ~pumpRunning~0 0) .cse0 .cse1 .cse2) (or (and (<= 1 |timeShift_isMethaneAlarm_#res#1|) (<= 1 |timeShift_processEnvironment_~tmp~1#1|)) .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) .cse0 .cse2))) [2021-12-07 01:33:45,032 INFO L858 garLoopResultBuilder]: For program point L329(lines 329 335) no Hoare annotation was computed. [2021-12-07 01:33:45,032 INFO L854 garLoopResultBuilder]: At program point L135(line 135) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 0 ~methaneLevelCritical~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) .cse0 .cse2))) [2021-12-07 01:33:45,032 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 63 86) no Hoare annotation was computed. [2021-12-07 01:33:45,032 INFO L858 garLoopResultBuilder]: For program point L445(line 445) no Hoare annotation was computed. [2021-12-07 01:33:45,032 INFO L854 garLoopResultBuilder]: At program point L140(line 140) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 0 ~methaneLevelCritical~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) .cse0 (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1))) [2021-12-07 01:33:45,032 INFO L854 garLoopResultBuilder]: At program point L140-1(lines 121 145) the Hoare annotation is: (let ((.cse6 (= 1 ~systemActive~0))) (let ((.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (= ~methAndRunningLastTime~0 0)) (.cse2 (not .cse6)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= ~pumpRunning~0 0)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 (and .cse4 .cse5)) (or .cse2 (and .cse0 .cse4 (<= 1 |timeShift_isMethaneAlarm_#res#1|) (<= 1 |timeShift_processEnvironment_~tmp~1#1|) .cse6) .cse7 (not (<= 1 ~methaneLevelCritical~0))) (let ((.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 .cse1 (and .cse4 .cse8) .cse2 (and (<= 1 ~pumpRunning~0) .cse5 .cse8) .cse3)) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 (and .cse0 .cse4 .cse6) .cse7 .cse3)))) [2021-12-07 01:33:45,033 INFO L854 garLoopResultBuilder]: At program point L169(lines 162 172) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 0 ~methaneLevelCritical~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1 .cse2) (or (<= 1 |timeShift_isMethaneAlarm_#res#1|) .cse0 .cse1 .cse3) (or .cse4 (= ~methAndRunningLastTime~0 0) .cse0 .cse1 .cse3) (or (not (= |old(~pumpRunning~0)| 0)) .cse4 .cse0 .cse2))) [2021-12-07 01:33:45,033 INFO L858 garLoopResultBuilder]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2021-12-07 01:33:45,033 INFO L854 garLoopResultBuilder]: At program point L322(line 322) the Hoare annotation is: (let ((.cse6 (= 1 ~systemActive~0))) (let ((.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (= ~methAndRunningLastTime~0 0)) (.cse2 (not .cse6)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= ~pumpRunning~0 0)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 (and .cse4 .cse5)) (or .cse2 (and .cse0 .cse4 (<= 1 |timeShift_isMethaneAlarm_#res#1|) (<= 1 |timeShift_processEnvironment_~tmp~1#1|) .cse6) .cse7 (not (<= 1 ~methaneLevelCritical~0))) (let ((.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 .cse1 (and .cse4 .cse8) .cse2 (and (<= 1 ~pumpRunning~0) .cse5 .cse8) .cse3)) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 (and .cse0 .cse4 .cse6) .cse7 .cse3)))) [2021-12-07 01:33:45,033 INFO L858 garLoopResultBuilder]: For program point L322-1(line 322) no Hoare annotation was computed. [2021-12-07 01:33:45,033 INFO L854 garLoopResultBuilder]: At program point L446(lines 441 448) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 0 ~methaneLevelCritical~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) .cse0 .cse1))) [2021-12-07 01:33:45,033 INFO L854 garLoopResultBuilder]: At program point L178(lines 173 181) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (= ~methAndRunningLastTime~0 0)) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= ~pumpRunning~0 0)) (.cse9 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= ~methaneLevelCritical~0 0))) (.cse7 (not (<= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 (and .cse4 .cse5)) (or .cse0 .cse1 .cse2 .cse6 .cse7) (or .cse2 .cse8 .cse3 (and .cse4 (<= 1 |timeShift_isMethaneAlarm_#res#1|) .cse9 (<= 1 |timeShift_processEnvironment_~tmp~1#1|))) (let ((.cse10 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 .cse1 .cse2 (and (<= 1 ~pumpRunning~0) .cse5 .cse10) .cse3 (and .cse4 .cse9 .cse10))) (or .cse2 .cse8 .cse6 .cse7))) [2021-12-07 01:33:45,033 INFO L858 garLoopResultBuilder]: For program point L67-1(lines 66 85) no Hoare annotation was computed. [2021-12-07 01:33:45,033 INFO L858 garLoopResultBuilder]: For program point L129(lines 129 137) no Hoare annotation was computed. [2021-12-07 01:33:45,033 INFO L858 garLoopResultBuilder]: For program point L125(lines 125 142) no Hoare annotation was computed. [2021-12-07 01:33:45,033 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 63 86) the Hoare annotation is: (let ((.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (<= 0 ~methaneLevelCritical~0))) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 (and (= ~pumpRunning~0 0) .cse2 .cse3) .cse4) (or .cse1 .cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3) .cse4) (or .cse0 .cse2 .cse1 .cse5 (not (<= 1 ~methaneLevelCritical~0))))) [2021-12-07 01:33:45,033 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 63 86) no Hoare annotation was computed. [2021-12-07 01:33:45,033 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 445) no Hoare annotation was computed. [2021-12-07 01:33:45,034 INFO L858 garLoopResultBuilder]: For program point L328(lines 328 338) no Hoare annotation was computed. [2021-12-07 01:33:45,034 INFO L854 garLoopResultBuilder]: At program point L167(line 167) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 0 ~methaneLevelCritical~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1 .cse2) (or .cse3 (= ~methAndRunningLastTime~0 0) .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse3 .cse0 .cse2))) [2021-12-07 01:33:45,034 INFO L858 garLoopResultBuilder]: For program point L167-1(line 167) no Hoare annotation was computed. [2021-12-07 01:33:45,034 INFO L858 garLoopResultBuilder]: For program point L324(lines 324 341) no Hoare annotation was computed. [2021-12-07 01:33:45,034 INFO L854 garLoopResultBuilder]: At program point L324-1(lines 316 344) the Hoare annotation is: (let ((.cse5 (= 1 ~systemActive~0))) (let ((.cse8 (not (<= ~methaneLevelCritical~0 0))) (.cse9 (not (<= 0 ~methaneLevelCritical~0))) (.cse6 (<= |timeShift___utac_acc__Specification2_spec__2_~tmp~4#1| 0)) (.cse7 (<= 0 |timeShift___utac_acc__Specification2_spec__2_~tmp~4#1|)) (.cse11 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse13 (<= 1 ~pumpRunning~0)) (.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse12 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not .cse5)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse14 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) .cse8 .cse9 (and .cse10 .cse4 .cse6 .cse7)) (or .cse2 .cse3 .cse11 (not (= |old(~waterLevel~0)| 1)) .cse0 .cse9) (or .cse2 .cse11 .cse0 .cse8 .cse9 (and .cse10 .cse3 .cse4 .cse6 .cse12 .cse7) (and .cse13 .cse4 .cse6 .cse12 .cse7)) (or .cse2 .cse11 .cse0 .cse14 (and .cse13 .cse12) (and .cse10 .cse3 .cse4 .cse12)) (or .cse0 .cse1 .cse14 (and .cse2 .cse3 .cse4 (<= 1 |timeShift_isMethaneAlarm_#res#1|) (<= 1 |timeShift_processEnvironment_~tmp~1#1|) .cse5))))) [2021-12-07 01:33:45,034 INFO L858 garLoopResultBuilder]: For program point L287(lines 287 291) no Hoare annotation was computed. [2021-12-07 01:33:45,034 INFO L854 garLoopResultBuilder]: At program point L287-2(lines 281 292) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= 0 ~methaneLevelCritical~0))) (or (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) .cse0 .cse1 .cse2) (and (<= 1 ~pumpRunning~0) .cse0 .cse1 .cse2))) [2021-12-07 01:33:45,034 INFO L861 garLoopResultBuilder]: At program point L886(lines 878 888) the Hoare annotation is: true [2021-12-07 01:33:45,034 INFO L858 garLoopResultBuilder]: For program point L271(lines 271 277) no Hoare annotation was computed. [2021-12-07 01:33:45,034 INFO L861 garLoopResultBuilder]: At program point L911(lines 892 914) the Hoare annotation is: true [2021-12-07 01:33:45,034 INFO L858 garLoopResultBuilder]: For program point L271-1(lines 271 277) no Hoare annotation was computed. [2021-12-07 01:33:45,034 INFO L861 garLoopResultBuilder]: At program point L300(lines 241 304) the Hoare annotation is: true [2021-12-07 01:33:45,034 INFO L854 garLoopResultBuilder]: At program point L263(line 263) the Hoare annotation is: (let ((.cse1 (= ~methAndRunningLastTime~0 0)) (.cse4 (<= 0 ~methaneLevelCritical~0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse2 .cse3))) [2021-12-07 01:33:45,034 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-07 01:33:45,035 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-07 01:33:45,035 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-07 01:33:45,035 INFO L854 garLoopResultBuilder]: At program point L313(lines 308 315) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1)) [2021-12-07 01:33:45,035 INFO L854 garLoopResultBuilder]: At program point L875(lines 871 877) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1)) [2021-12-07 01:33:45,035 INFO L854 garLoopResultBuilder]: At program point L297(lines 250 298) the Hoare annotation is: false [2021-12-07 01:33:45,035 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-07 01:33:45,035 INFO L858 garLoopResultBuilder]: For program point L252(lines 251 296) no Hoare annotation was computed. [2021-12-07 01:33:45,035 INFO L858 garLoopResultBuilder]: For program point L281(lines 281 292) no Hoare annotation was computed. [2021-12-07 01:33:45,035 INFO L854 garLoopResultBuilder]: At program point L946(lines 941 949) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1)) [2021-12-07 01:33:45,035 INFO L854 garLoopResultBuilder]: At program point L273(line 273) the Hoare annotation is: (let ((.cse1 (= ~methAndRunningLastTime~0 0)) (.cse4 (<= 0 ~methaneLevelCritical~0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse2 .cse3))) [2021-12-07 01:33:45,035 INFO L854 garLoopResultBuilder]: At program point L938(lines 934 940) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1)) [2021-12-07 01:33:45,035 INFO L854 garLoopResultBuilder]: At program point L294(lines 251 296) the Hoare annotation is: (let ((.cse1 (= ~methAndRunningLastTime~0 0)) (.cse4 (<= 0 ~methaneLevelCritical~0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse2 .cse3))) [2021-12-07 01:33:45,035 INFO L858 garLoopResultBuilder]: For program point L261(lines 261 267) no Hoare annotation was computed. [2021-12-07 01:33:45,035 INFO L858 garLoopResultBuilder]: For program point L261-1(lines 261 267) no Hoare annotation was computed. [2021-12-07 01:33:45,035 INFO L858 garLoopResultBuilder]: For program point L253(lines 253 257) no Hoare annotation was computed. [2021-12-07 01:33:45,036 INFO L858 garLoopResultBuilder]: For program point L902(lines 902 909) no Hoare annotation was computed. [2021-12-07 01:33:45,036 INFO L858 garLoopResultBuilder]: For program point L902-2(lines 902 909) no Hoare annotation was computed. [2021-12-07 01:33:45,036 INFO L854 garLoopResultBuilder]: At program point L931(lines 927 933) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1)) [2021-12-07 01:33:45,036 INFO L858 garLoopResultBuilder]: For program point L227-2(lines 227 231) no Hoare annotation was computed. [2021-12-07 01:33:45,036 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 95 119) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 0 ~methaneLevelCritical~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~methaneLevelCritical~0 0)) .cse1))) [2021-12-07 01:33:45,036 INFO L854 garLoopResultBuilder]: At program point L151(lines 146 153) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 0 ~methaneLevelCritical~0)))) (and (or (<= 1 ~pumpRunning~0) .cse0 .cse1 .cse2 .cse3) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~methaneLevelCritical~0 0)) .cse2))) [2021-12-07 01:33:45,036 INFO L854 garLoopResultBuilder]: At program point L114(line 114) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 0 ~methaneLevelCritical~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~methaneLevelCritical~0 0)) .cse1))) [2021-12-07 01:33:45,036 INFO L858 garLoopResultBuilder]: For program point L114-1(lines 95 119) no Hoare annotation was computed. [2021-12-07 01:33:45,036 INFO L858 garLoopResultBuilder]: For program point L430(lines 430 436) no Hoare annotation was computed. [2021-12-07 01:33:45,036 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 95 119) no Hoare annotation was computed. [2021-12-07 01:33:45,036 INFO L854 garLoopResultBuilder]: At program point L435(lines 426 439) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 0 ~methaneLevelCritical~0)))) (and (or .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) .cse2 .cse3) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~methaneLevelCritical~0 0)) .cse2))) [2021-12-07 01:33:45,036 INFO L854 garLoopResultBuilder]: At program point L109(line 109) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 0 ~methaneLevelCritical~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 (and (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~2#1| 0)) (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0))) .cse2 .cse3) (or .cse0 .cse1 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 0)) .cse2 .cse3) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~methaneLevelCritical~0 0)) .cse2))) [2021-12-07 01:33:45,037 INFO L854 garLoopResultBuilder]: At program point L233(lines 218 236) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 0 ~methaneLevelCritical~0)))) (and (or .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 (and (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~2#1| 0)) (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1| 0)) .cse2 .cse3) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~methaneLevelCritical~0 0)) .cse2))) [2021-12-07 01:33:45,037 INFO L858 garLoopResultBuilder]: For program point L103(lines 103 111) no Hoare annotation was computed. [2021-12-07 01:33:45,037 INFO L858 garLoopResultBuilder]: For program point L99(lines 99 116) no Hoare annotation was computed. [2021-12-07 01:33:45,037 INFO L858 garLoopResultBuilder]: For program point L227(lines 227 231) no Hoare annotation was computed. [2021-12-07 01:33:45,037 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 361 372) no Hoare annotation was computed. [2021-12-07 01:33:45,037 INFO L858 garLoopResultBuilder]: For program point L365-1(lines 361 372) no Hoare annotation was computed. [2021-12-07 01:33:45,037 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 361 372) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 0 ~methaneLevelCritical~0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse3) (or (not (= ~pumpRunning~0 0)) .cse0 .cse2 .cse3 .cse4))) [2021-12-07 01:33:45,039 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:33:45,040 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-07 01:33:45,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:33:45 BoogieIcfgContainer [2021-12-07 01:33:45,062 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-07 01:33:45,062 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-07 01:33:45,062 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-07 01:33:45,062 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-07 01:33:45,062 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:33:38" (3/4) ... [2021-12-07 01:33:45,064 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-07 01:33:45,069 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-07 01:33:45,069 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-07 01:33:45,069 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-07 01:33:45,069 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-07 01:33:45,069 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-07 01:33:45,069 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2021-12-07 01:33:45,069 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-07 01:33:45,075 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2021-12-07 01:33:45,075 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-07 01:33:45,075 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-07 01:33:45,076 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-07 01:33:45,076 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-07 01:33:45,076 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-07 01:33:45,077 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-07 01:33:45,094 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(0 <= methaneLevelCritical)) && ((((!(\old(methAndRunningLastTime) == 0) || methAndRunningLastTime == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(0 <= methaneLevelCritical)) [2021-12-07 01:33:45,094 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(0 <= methaneLevelCritical)) || (pumpRunning == 0 && methAndRunningLastTime == 0)) && (((!(1 == systemActive) || ((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && 1 <= \result) && 1 <= tmp) && 1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((1 <= pumpRunning && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || !(0 <= methaneLevelCritical))) && ((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || ((!(\old(pumpRunning) == 0) && pumpRunning == 0) && 1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(0 <= methaneLevelCritical)) [2021-12-07 01:33:45,095 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && tmp <= 0) && 0 <= tmp)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && tmp <= 0) && 0 <= tmp)) && (((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(0 <= methaneLevelCritical))) && ((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methAndRunningLastTime == 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp)) || ((((1 <= pumpRunning && methAndRunningLastTime == 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= \result) && 1 <= tmp) && 1 == systemActive)) [2021-12-07 01:33:45,095 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(0 <= methaneLevelCritical)) && (((1 <= \result || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical))) && ((((!(\old(methAndRunningLastTime) == 0) || methAndRunningLastTime == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(0 <= methaneLevelCritical)) [2021-12-07 01:33:45,095 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && methAndRunningLastTime == 0)) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && 1 <= \result) && \result == 0) && 1 <= tmp))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || ((1 <= pumpRunning && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) [2021-12-07 01:33:45,095 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(0 <= methaneLevelCritical)) && ((((1 <= \result && 1 <= tmp) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(0 <= methaneLevelCritical)) [2021-12-07 01:33:45,095 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(0 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0)) && (((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(\result == 0)) || !(0 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) [2021-12-07 01:33:45,095 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(0 <= methaneLevelCritical)) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(0 <= methaneLevelCritical)) [2021-12-07 01:33:45,096 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(0 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0)) && (((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((!(tmp == 0) && !(\result == 0)) && \result == 0) && tmp___0 == 0)) || !(0 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) [2021-12-07 01:33:45,096 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(0 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0)) && ((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(0 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) [2021-12-07 01:33:45,119 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050cf0b8-72f6-4aa7-8821-574c6eaf8754/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-07 01:33:45,119 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-07 01:33:45,120 INFO L158 Benchmark]: Toolchain (without parser) took 7101.42ms. Allocated memory was 81.8MB in the beginning and 119.5MB in the end (delta: 37.7MB). Free memory was 45.0MB in the beginning and 71.8MB in the end (delta: -26.8MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2021-12-07 01:33:45,120 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 81.8MB. Free memory was 62.3MB in the beginning and 62.2MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 01:33:45,120 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.16ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 44.8MB in the beginning and 64.7MB in the end (delta: -20.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-07 01:33:45,121 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.42ms. Allocated memory is still 98.6MB. Free memory was 64.7MB in the beginning and 62.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 01:33:45,121 INFO L158 Benchmark]: Boogie Preprocessor took 20.86ms. Allocated memory is still 98.6MB. Free memory was 62.2MB in the beginning and 60.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 01:33:45,121 INFO L158 Benchmark]: RCFGBuilder took 339.66ms. Allocated memory is still 98.6MB. Free memory was 60.6MB in the beginning and 44.3MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-07 01:33:45,122 INFO L158 Benchmark]: TraceAbstraction took 6340.85ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 43.9MB in the beginning and 78.1MB in the end (delta: -34.3MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. [2021-12-07 01:33:45,122 INFO L158 Benchmark]: Witness Printer took 57.03ms. Allocated memory is still 119.5MB. Free memory was 78.1MB in the beginning and 71.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-07 01:33:45,123 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 81.8MB. Free memory was 62.3MB in the beginning and 62.2MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.16ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 44.8MB in the beginning and 64.7MB in the end (delta: -20.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.42ms. Allocated memory is still 98.6MB. Free memory was 64.7MB in the beginning and 62.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.86ms. Allocated memory is still 98.6MB. Free memory was 62.2MB in the beginning and 60.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 339.66ms. Allocated memory is still 98.6MB. Free memory was 60.6MB in the beginning and 44.3MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 6340.85ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 43.9MB in the beginning and 78.1MB in the end (delta: -34.3MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. * Witness Printer took 57.03ms. Allocated memory is still 119.5MB. Free memory was 78.1MB in the beginning and 71.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 445]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 87 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.3s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1123 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1094 mSDsluCounter, 3586 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2341 mSDsCounter, 278 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 792 IncrementalHoareTripleChecker+Invalid, 1070 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 278 mSolverCounterUnsat, 1245 mSDtfsCounter, 792 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 541 GetRequests, 450 SyntacticMatches, 3 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=408occurred in iteration=11, 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: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 196 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 937 PreInvPairs, 1035 NumberOfFragments, 1761 HoareAnnotationTreeSize, 937 FomulaSimplifications, 74 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 40 FomulaSimplificationsInter, 7199 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 891 NumberOfCodeBlocks, 891 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 966 ConstructedInterpolants, 0 QuantifiedInterpolants, 2582 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1384 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 213/235 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: 349]: Loop Invariant Derived loop invariant: ((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(0 <= methaneLevelCritical)) && ((((!(\old(methAndRunningLastTime) == 0) || methAndRunningLastTime == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(0 <= methaneLevelCritical)) - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1 - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(0 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0)) && (((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(\result == 0)) || !(0 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(0 <= methaneLevelCritical)) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(0 <= methaneLevelCritical)) - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(0 <= methaneLevelCritical)) || (pumpRunning == 0 && methAndRunningLastTime == 0)) && (((!(1 == systemActive) || ((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && 1 <= \result) && 1 <= tmp) && 1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((1 <= pumpRunning && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || !(0 <= methaneLevelCritical))) && ((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || ((!(\old(pumpRunning) == 0) && pumpRunning == 0) && 1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(0 <= methaneLevelCritical)) - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: (((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(0 <= methaneLevelCritical)) && (((1 <= \result || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical))) && ((((!(\old(methAndRunningLastTime) == 0) || methAndRunningLastTime == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(0 <= methaneLevelCritical)) - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && methAndRunningLastTime == 0) && 1 == systemActive) && splverifierCounter == 0) && 0 <= methaneLevelCritical) || ((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 == systemActive) && splverifierCounter == 0) && 0 <= methaneLevelCritical)) || (((1 <= pumpRunning && 1 <= methaneLevelCritical) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(0 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0)) && (((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((!(tmp == 0) && !(\result == 0)) && \result == 0) && tmp___0 == 0)) || !(0 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: ((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && tmp <= 0) && 0 <= tmp)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && tmp <= 0) && 0 <= tmp)) && (((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(0 <= methaneLevelCritical))) && ((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methAndRunningLastTime == 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp)) || ((((1 <= pumpRunning && methAndRunningLastTime == 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= \result) && 1 <= tmp) && 1 == systemActive)) - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(0 <= methaneLevelCritical)) && ((((1 <= \result && 1 <= tmp) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(0 <= methaneLevelCritical)) - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(0 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0)) && ((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(0 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && methAndRunningLastTime == 0)) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && 1 <= \result) && \result == 0) && 1 <= tmp))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || ((1 <= pumpRunning && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) RESULT: Ultimate proved your program to be correct! [2021-12-07 01:33:45,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_050cf0b8-72f6-4aa7-8821-574c6eaf8754/bin/uautomizer-DrprNOufMa/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