/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product46.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 06:33:56,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 06:33:56,221 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 06:33:56,296 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 06:33:56,296 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 06:33:56,298 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 06:33:56,300 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 06:33:56,302 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 06:33:56,318 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 06:33:56,322 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 06:33:56,323 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 06:33:56,324 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 06:33:56,324 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 06:33:56,325 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 06:33:56,326 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 06:33:56,328 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 06:33:56,329 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 06:33:56,329 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 06:33:56,331 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 06:33:56,335 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 06:33:56,336 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 06:33:56,336 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 06:33:56,337 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 06:33:56,338 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 06:33:56,342 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 06:33:56,343 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 06:33:56,343 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 06:33:56,344 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 06:33:56,344 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 06:33:56,345 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 06:33:56,345 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 06:33:56,345 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 06:33:56,346 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 06:33:56,347 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 06:33:56,364 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 06:33:56,364 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 06:33:56,364 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 06:33:56,365 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 06:33:56,365 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 06:33:56,365 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 06:33:56,366 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 06:33:56,366 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-01-10 06:33:56,388 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 06:33:56,389 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 06:33:56,403 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 06:33:56,403 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 06:33:56,404 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 06:33:56,404 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 06:33:56,405 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 06:33:56,405 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 06:33:56,405 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 06:33:56,405 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 06:33:56,405 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 06:33:56,406 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 06:33:56,406 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 06:33:56,406 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 06:33:56,406 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 06:33:56,406 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 06:33:56,406 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 06:33:56,406 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 06:33:56,406 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 06:33:56,406 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 06:33:56,406 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 06:33:56,406 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 06:33:56,406 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 06:33:56,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:33:56,407 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 06:33:56,407 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 06:33:56,407 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 06:33:56,407 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 06:33:56,407 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 06:33:56,407 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 06:33:56,407 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 06:33:56,407 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 06:33:56,407 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 06:33:56,407 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 06:33:56,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 06:33:56,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 06:33:56,650 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 06:33:56,651 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 06:33:56,653 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 06:33:56,654 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product46.cil.c [2022-01-10 06:33:56,700 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f5f30de6/9b77837c40194bb2870a3299775b70c0/FLAGd1f3b4de5 [2022-01-10 06:33:57,108 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 06:33:57,108 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product46.cil.c [2022-01-10 06:33:57,115 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f5f30de6/9b77837c40194bb2870a3299775b70c0/FLAGd1f3b4de5 [2022-01-10 06:33:57,123 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f5f30de6/9b77837c40194bb2870a3299775b70c0 [2022-01-10 06:33:57,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 06:33:57,126 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 06:33:57,128 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 06:33:57,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 06:33:57,131 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 06:33:57,131 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:33:57" (1/1) ... [2022-01-10 06:33:57,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55a69f46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:57, skipping insertion in model container [2022-01-10 06:33:57,132 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:33:57" (1/1) ... [2022-01-10 06:33:57,137 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 06:33:57,168 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:33:57,406 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product46.cil.c[18431,18444] [2022-01-10 06:33:57,410 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:33:57,419 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 06:33:57,423 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:33:57,454 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product46.cil.c[18431,18444] [2022-01-10 06:33:57,454 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:33:57,457 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 06:33:57,491 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product46.cil.c[18431,18444] [2022-01-10 06:33:57,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:33:57,503 INFO L208 MainTranslator]: Completed translation [2022-01-10 06:33:57,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:57 WrapperNode [2022-01-10 06:33:57,504 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 06:33:57,504 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 06:33:57,505 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 06:33:57,505 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 06:33:57,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:57" (1/1) ... [2022-01-10 06:33:57,521 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:57" (1/1) ... [2022-01-10 06:33:57,540 INFO L137 Inliner]: procedures = 57, calls = 157, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 241 [2022-01-10 06:33:57,540 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 06:33:57,541 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 06:33:57,541 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 06:33:57,541 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 06:33:57,546 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:57" (1/1) ... [2022-01-10 06:33:57,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:57" (1/1) ... [2022-01-10 06:33:57,549 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:57" (1/1) ... [2022-01-10 06:33:57,549 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:57" (1/1) ... [2022-01-10 06:33:57,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:57" (1/1) ... [2022-01-10 06:33:57,557 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:57" (1/1) ... [2022-01-10 06:33:57,558 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:57" (1/1) ... [2022-01-10 06:33:57,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 06:33:57,561 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 06:33:57,561 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 06:33:57,561 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 06:33:57,561 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:57" (1/1) ... [2022-01-10 06:33:57,573 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:33:57,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 06:33:57,591 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-10 06:33:57,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-10 06:33:57,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 06:33:57,634 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-01-10 06:33:57,634 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-01-10 06:33:57,635 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-01-10 06:33:57,635 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-01-10 06:33:57,636 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-01-10 06:33:57,636 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-01-10 06:33:57,636 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-01-10 06:33:57,636 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-01-10 06:33:57,636 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-01-10 06:33:57,636 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-01-10 06:33:57,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 06:33:57,637 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-01-10 06:33:57,637 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-01-10 06:33:57,637 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-01-10 06:33:57,637 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-01-10 06:33:57,637 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-01-10 06:33:57,637 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-01-10 06:33:57,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 06:33:57,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 06:33:57,709 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 06:33:57,711 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 06:33:57,934 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 06:33:57,939 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 06:33:57,940 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-10 06:33:57,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:33:57 BoogieIcfgContainer [2022-01-10 06:33:57,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 06:33:57,942 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 06:33:57,942 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 06:33:57,944 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 06:33:57,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:33:57" (1/3) ... [2022-01-10 06:33:57,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32707944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:33:57, skipping insertion in model container [2022-01-10 06:33:57,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:57" (2/3) ... [2022-01-10 06:33:57,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32707944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:33:57, skipping insertion in model container [2022-01-10 06:33:57,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:33:57" (3/3) ... [2022-01-10 06:33:57,946 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product46.cil.c [2022-01-10 06:33:57,964 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 06:33:57,964 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 06:33:58,000 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 06:33:58,006 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 [2022-01-10 06:33:58,006 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 06:33:58,025 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 72 states have (on average 1.375) internal successors, (99), 80 states have internal predecessors, (99), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) [2022-01-10 06:33:58,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-01-10 06:33:58,031 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:58,031 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] [2022-01-10 06:33:58,032 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:58,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:58,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1887688965, now seen corresponding path program 1 times [2022-01-10 06:33:58,045 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:58,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1439932291] [2022-01-10 06:33:58,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:58,046 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:58,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:58,051 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:58,052 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-01-10 06:33:58,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:58,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 1 conjunts are in the unsatisfiable core [2022-01-10 06:33:58,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:58,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:58,217 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:58,218 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:58,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1439932291] [2022-01-10 06:33:58,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1439932291] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:58,218 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:58,219 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:33:58,220 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700311355] [2022-01-10 06:33:58,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:58,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 06:33:58,224 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:58,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 06:33:58,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:33:58,247 INFO L87 Difference]: Start difference. First operand has 96 states, 72 states have (on average 1.375) internal successors, (99), 80 states have internal predecessors, (99), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) 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), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:58,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:58,301 INFO L93 Difference]: Finished difference Result 184 states and 249 transitions. [2022-01-10 06:33:58,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 06:33:58,303 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), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-01-10 06:33:58,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:58,313 INFO L225 Difference]: With dead ends: 184 [2022-01-10 06:33:58,313 INFO L226 Difference]: Without dead ends: 87 [2022-01-10 06:33:58,318 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:33:58,321 INFO L933 BasicCegarLoop]: 121 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, 121 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:58,325 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:58,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2022-01-10 06:33:58,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2022-01-10 06:33:58,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 65 states have (on average 1.3076923076923077) internal successors, (85), 72 states have internal predecessors, (85), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2022-01-10 06:33:58,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 112 transitions. [2022-01-10 06:33:58,377 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 112 transitions. Word has length 25 [2022-01-10 06:33:58,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:58,378 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 112 transitions. [2022-01-10 06:33:58,378 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), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:58,378 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 112 transitions. [2022-01-10 06:33:58,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-01-10 06:33:58,381 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:58,382 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] [2022-01-10 06:33:58,403 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-01-10 06:33:58,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:58,591 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:58,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:58,593 INFO L85 PathProgramCache]: Analyzing trace with hash -2062523597, now seen corresponding path program 1 times [2022-01-10 06:33:58,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:58,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1358716854] [2022-01-10 06:33:58,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:58,595 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:58,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:58,596 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:58,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-01-10 06:33:58,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:58,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:33:58,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:58,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:58,801 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:58,802 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:58,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1358716854] [2022-01-10 06:33:58,802 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1358716854] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:58,802 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:58,802 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:33:58,802 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186642317] [2022-01-10 06:33:58,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:58,803 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:33:58,803 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:58,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:33:58,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:58,804 INFO L87 Difference]: Start difference. First operand 87 states and 112 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), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:58,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:58,832 INFO L93 Difference]: Finished difference Result 139 states and 179 transitions. [2022-01-10 06:33:58,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:33:58,832 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), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-01-10 06:33:58,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:58,833 INFO L225 Difference]: With dead ends: 139 [2022-01-10 06:33:58,834 INFO L226 Difference]: Without dead ends: 78 [2022-01-10 06:33:58,834 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:58,835 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 13 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:58,836 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 181 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:58,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-01-10 06:33:58,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2022-01-10 06:33:58,843 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), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-01-10 06:33:58,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 100 transitions. [2022-01-10 06:33:58,858 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 100 transitions. Word has length 26 [2022-01-10 06:33:58,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:58,859 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 100 transitions. [2022-01-10 06:33:58,859 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), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:58,859 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2022-01-10 06:33:58,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-01-10 06:33:58,860 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:58,860 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] [2022-01-10 06:33:58,881 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:59,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:59,071 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:59,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:59,072 INFO L85 PathProgramCache]: Analyzing trace with hash -89675643, now seen corresponding path program 1 times [2022-01-10 06:33:59,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:59,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [503910502] [2022-01-10 06:33:59,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:59,079 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:59,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:59,082 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:59,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-01-10 06:33:59,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:59,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:33:59,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:59,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:59,216 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:59,216 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:59,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [503910502] [2022-01-10 06:33:59,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [503910502] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:59,217 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:59,217 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:33:59,217 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751737392] [2022-01-10 06:33:59,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:59,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:33:59,217 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:59,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:33:59,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:59,218 INFO L87 Difference]: Start difference. First operand 78 states and 100 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:59,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:59,229 INFO L93 Difference]: Finished difference Result 149 states and 194 transitions. [2022-01-10 06:33:59,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:33:59,230 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-01-10 06:33:59,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:59,231 INFO L225 Difference]: With dead ends: 149 [2022-01-10 06:33:59,231 INFO L226 Difference]: Without dead ends: 78 [2022-01-10 06:33:59,231 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:59,232 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 80 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:59,233 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [80 Valid, 98 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:59,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-01-10 06:33:59,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2022-01-10 06:33:59,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 59 states have (on average 1.305084745762712) internal successors, (77), 66 states have internal predecessors, (77), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-01-10 06:33:59,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 99 transitions. [2022-01-10 06:33:59,240 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 99 transitions. Word has length 31 [2022-01-10 06:33:59,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:59,240 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 99 transitions. [2022-01-10 06:33:59,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:59,240 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 99 transitions. [2022-01-10 06:33:59,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-01-10 06:33:59,241 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:59,241 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] [2022-01-10 06:33:59,252 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-01-10 06:33:59,448 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:59,449 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:59,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:59,449 INFO L85 PathProgramCache]: Analyzing trace with hash -106405387, now seen corresponding path program 1 times [2022-01-10 06:33:59,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:59,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1596208246] [2022-01-10 06:33:59,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:59,450 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:59,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:59,452 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:59,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-01-10 06:33:59,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:59,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-10 06:33:59,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:59,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:59,680 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:59,680 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:59,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1596208246] [2022-01-10 06:33:59,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1596208246] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:59,681 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:59,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:33:59,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519557237] [2022-01-10 06:33:59,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:59,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:33:59,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:59,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:33:59,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:33:59,683 INFO L87 Difference]: Start difference. First operand 78 states and 99 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-01-10 06:33:59,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:59,858 INFO L93 Difference]: Finished difference Result 230 states and 291 transitions. [2022-01-10 06:33:59,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 06:33:59,859 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 41 [2022-01-10 06:33:59,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:59,860 INFO L225 Difference]: With dead ends: 230 [2022-01-10 06:33:59,860 INFO L226 Difference]: Without dead ends: 159 [2022-01-10 06:33:59,861 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-01-10 06:33:59,862 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 203 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:59,862 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [212 Valid, 341 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:33:59,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-01-10 06:33:59,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 153. [2022-01-10 06:33:59,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 117 states have (on average 1.2564102564102564) internal successors, (147), 125 states have internal predecessors, (147), 18 states have call successors, (18), 14 states have call predecessors, (18), 17 states have return successors, (21), 19 states have call predecessors, (21), 18 states have call successors, (21) [2022-01-10 06:33:59,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 186 transitions. [2022-01-10 06:33:59,878 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 186 transitions. Word has length 41 [2022-01-10 06:33:59,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:59,879 INFO L470 AbstractCegarLoop]: Abstraction has 153 states and 186 transitions. [2022-01-10 06:33:59,879 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-01-10 06:33:59,879 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 186 transitions. [2022-01-10 06:33:59,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-01-10 06:33:59,880 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:59,880 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] [2022-01-10 06:33:59,890 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-01-10 06:34:00,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:34:00,093 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:00,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:00,095 INFO L85 PathProgramCache]: Analyzing trace with hash -822814067, now seen corresponding path program 1 times [2022-01-10 06:34:00,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:00,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1632990389] [2022-01-10 06:34:00,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:00,096 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:00,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:00,098 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:34:00,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-01-10 06:34:00,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:00,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 7 conjunts are in the unsatisfiable core [2022-01-10 06:34:00,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:00,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:34:00,308 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:00,309 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:00,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1632990389] [2022-01-10 06:34:00,310 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1632990389] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:00,310 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:00,310 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 06:34:00,310 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563018024] [2022-01-10 06:34:00,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:00,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:34:00,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:00,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:34:00,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:34:00,311 INFO L87 Difference]: Start difference. First operand 153 states and 186 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-01-10 06:34:00,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:00,355 INFO L93 Difference]: Finished difference Result 397 states and 497 transitions. [2022-01-10 06:34:00,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 06:34:00,356 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (4), 1 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 47 [2022-01-10 06:34:00,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:00,360 INFO L225 Difference]: With dead ends: 397 [2022-01-10 06:34:00,360 INFO L226 Difference]: Without dead ends: 251 [2022-01-10 06:34:00,361 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-10 06:34:00,362 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 40 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:00,362 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 394 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:34:00,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2022-01-10 06:34:00,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 245. [2022-01-10 06:34:00,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 187 states have (on average 1.2406417112299466) internal successors, (232), 198 states have internal predecessors, (232), 30 states have call successors, (30), 25 states have call predecessors, (30), 27 states have return successors, (36), 30 states have call predecessors, (36), 30 states have call successors, (36) [2022-01-10 06:34:00,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 298 transitions. [2022-01-10 06:34:00,399 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 298 transitions. Word has length 47 [2022-01-10 06:34:00,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:00,400 INFO L470 AbstractCegarLoop]: Abstraction has 245 states and 298 transitions. [2022-01-10 06:34:00,400 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-01-10 06:34:00,400 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 298 transitions. [2022-01-10 06:34:00,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-01-10 06:34:00,406 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:00,406 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, 1, 1, 1] [2022-01-10 06:34:00,417 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-01-10 06:34:00,613 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:34:00,613 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:00,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:00,614 INFO L85 PathProgramCache]: Analyzing trace with hash 688456935, now seen corresponding path program 1 times [2022-01-10 06:34:00,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:00,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [613106183] [2022-01-10 06:34:00,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:00,615 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:00,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:00,615 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:34:00,617 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-01-10 06:34:00,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:00,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 7 conjunts are in the unsatisfiable core [2022-01-10 06:34:00,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:00,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:34:00,846 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:00,846 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:00,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [613106183] [2022-01-10 06:34:00,846 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [613106183] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:00,846 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:00,846 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:34:00,846 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444135314] [2022-01-10 06:34:00,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:00,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:34:00,847 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:00,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:34:00,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:34:00,848 INFO L87 Difference]: Start difference. First operand 245 states and 298 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-01-10 06:34:01,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:01,279 INFO L93 Difference]: Finished difference Result 679 states and 848 transitions. [2022-01-10 06:34:01,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-10 06:34:01,280 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 51 [2022-01-10 06:34:01,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:01,283 INFO L225 Difference]: With dead ends: 679 [2022-01-10 06:34:01,283 INFO L226 Difference]: Without dead ends: 533 [2022-01-10 06:34:01,284 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-01-10 06:34:01,287 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 266 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:01,288 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [279 Valid, 465 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 06:34:01,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2022-01-10 06:34:01,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 500. [2022-01-10 06:34:01,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 382 states have (on average 1.2408376963350785) internal successors, (474), 407 states have internal predecessors, (474), 60 states have call successors, (60), 46 states have call predecessors, (60), 57 states have return successors, (73), 62 states have call predecessors, (73), 60 states have call successors, (73) [2022-01-10 06:34:01,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 607 transitions. [2022-01-10 06:34:01,319 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 607 transitions. Word has length 51 [2022-01-10 06:34:01,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:01,319 INFO L470 AbstractCegarLoop]: Abstraction has 500 states and 607 transitions. [2022-01-10 06:34:01,319 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-01-10 06:34:01,319 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 607 transitions. [2022-01-10 06:34:01,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-01-10 06:34:01,321 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:01,321 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, 1, 1, 1] [2022-01-10 06:34:01,331 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-01-10 06:34:01,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:34:01,529 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:01,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:01,529 INFO L85 PathProgramCache]: Analyzing trace with hash 554443429, now seen corresponding path program 1 times [2022-01-10 06:34:01,530 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:01,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2119775049] [2022-01-10 06:34:01,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:01,532 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:01,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:01,533 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:34:01,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-01-10 06:34:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:01,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:34:01,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:01,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:34:01,654 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:01,654 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:01,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2119775049] [2022-01-10 06:34:01,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2119775049] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:01,654 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:01,654 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 06:34:01,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858471569] [2022-01-10 06:34:01,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:01,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 06:34:01,655 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:01,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 06:34:01,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 06:34:01,655 INFO L87 Difference]: Start difference. First operand 500 states and 607 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:34:01,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:01,686 INFO L93 Difference]: Finished difference Result 980 states and 1208 transitions. [2022-01-10 06:34:01,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 06:34:01,687 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2022-01-10 06:34:01,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:01,689 INFO L225 Difference]: With dead ends: 980 [2022-01-10 06:34:01,689 INFO L226 Difference]: Without dead ends: 558 [2022-01-10 06:34:01,690 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:34:01,690 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 22 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:01,708 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 333 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:34:01,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2022-01-10 06:34:01,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 502. [2022-01-10 06:34:01,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 502 states, 384 states have (on average 1.2369791666666667) internal successors, (475), 409 states have internal predecessors, (475), 60 states have call successors, (60), 46 states have call predecessors, (60), 57 states have return successors, (73), 62 states have call predecessors, (73), 60 states have call successors, (73) [2022-01-10 06:34:01,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 608 transitions. [2022-01-10 06:34:01,729 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 608 transitions. Word has length 51 [2022-01-10 06:34:01,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:01,729 INFO L470 AbstractCegarLoop]: Abstraction has 502 states and 608 transitions. [2022-01-10 06:34:01,730 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:34:01,730 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 608 transitions. [2022-01-10 06:34:01,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-01-10 06:34:01,730 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:01,730 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, 1, 1, 1] [2022-01-10 06:34:01,744 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-01-10 06:34:01,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:34:01,938 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:01,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:01,938 INFO L85 PathProgramCache]: Analyzing trace with hash 773298147, now seen corresponding path program 1 times [2022-01-10 06:34:01,938 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:01,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1401916496] [2022-01-10 06:34:01,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:01,939 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:01,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:01,940 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:34:01,941 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-01-10 06:34:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:01,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-10 06:34:01,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:02,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:34:02,075 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:02,075 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:02,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1401916496] [2022-01-10 06:34:02,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1401916496] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:02,076 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:02,076 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:34:02,076 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748799997] [2022-01-10 06:34:02,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:02,076 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:34:02,076 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:02,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:34:02,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:34:02,077 INFO L87 Difference]: Start difference. First operand 502 states and 608 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:34:02,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:02,126 INFO L93 Difference]: Finished difference Result 1033 states and 1262 transitions. [2022-01-10 06:34:02,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 06:34:02,140 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2022-01-10 06:34:02,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:02,142 INFO L225 Difference]: With dead ends: 1033 [2022-01-10 06:34:02,142 INFO L226 Difference]: Without dead ends: 538 [2022-01-10 06:34:02,143 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-10 06:34:02,143 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 24 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:02,143 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 395 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:34:02,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2022-01-10 06:34:02,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 508. [2022-01-10 06:34:02,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 508 states, 392 states have (on average 1.2295918367346939) internal successors, (482), 416 states have internal predecessors, (482), 59 states have call successors, (59), 45 states have call predecessors, (59), 56 states have return successors, (72), 61 states have call predecessors, (72), 59 states have call successors, (72) [2022-01-10 06:34:02,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 613 transitions. [2022-01-10 06:34:02,175 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 613 transitions. Word has length 51 [2022-01-10 06:34:02,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:02,175 INFO L470 AbstractCegarLoop]: Abstraction has 508 states and 613 transitions. [2022-01-10 06:34:02,187 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:34:02,187 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 613 transitions. [2022-01-10 06:34:02,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-01-10 06:34:02,188 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:02,188 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:02,197 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-01-10 06:34:02,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:34:02,400 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:02,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:02,400 INFO L85 PathProgramCache]: Analyzing trace with hash 271087281, now seen corresponding path program 1 times [2022-01-10 06:34:02,400 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:02,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [120172918] [2022-01-10 06:34:02,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:02,400 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:02,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:02,401 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:34:02,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-01-10 06:34:02,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:02,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 9 conjunts are in the unsatisfiable core [2022-01-10 06:34:02,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:02,609 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:34:02,609 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:02,609 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:02,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [120172918] [2022-01-10 06:34:02,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [120172918] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:02,610 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:02,610 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-10 06:34:02,610 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012470450] [2022-01-10 06:34:02,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:02,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-10 06:34:02,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:02,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-10 06:34:02,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-01-10 06:34:02,611 INFO L87 Difference]: Start difference. First operand 508 states and 613 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-10 06:34:02,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:02,732 INFO L93 Difference]: Finished difference Result 1484 states and 1816 transitions. [2022-01-10 06:34:02,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-10 06:34:02,732 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2022-01-10 06:34:02,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:02,737 INFO L225 Difference]: With dead ends: 1484 [2022-01-10 06:34:02,737 INFO L226 Difference]: Without dead ends: 983 [2022-01-10 06:34:02,738 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-01-10 06:34:02,738 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 55 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:02,739 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [59 Valid, 595 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:34:02,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 983 states. [2022-01-10 06:34:02,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 983 to 981. [2022-01-10 06:34:02,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 981 states, 755 states have (on average 1.218543046357616) internal successors, (920), 797 states have internal predecessors, (920), 116 states have call successors, (116), 89 states have call predecessors, (116), 109 states have return successors, (147), 119 states have call predecessors, (147), 116 states have call successors, (147) [2022-01-10 06:34:02,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 981 states and 1183 transitions. [2022-01-10 06:34:02,774 INFO L78 Accepts]: Start accepts. Automaton has 981 states and 1183 transitions. Word has length 60 [2022-01-10 06:34:02,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:02,774 INFO L470 AbstractCegarLoop]: Abstraction has 981 states and 1183 transitions. [2022-01-10 06:34:02,774 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-10 06:34:02,774 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1183 transitions. [2022-01-10 06:34:02,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-01-10 06:34:02,775 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:02,775 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:02,812 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-01-10 06:34:02,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:34:02,980 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:02,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:02,981 INFO L85 PathProgramCache]: Analyzing trace with hash -907258435, now seen corresponding path program 1 times [2022-01-10 06:34:02,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:02,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [289184541] [2022-01-10 06:34:02,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:02,981 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:02,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:02,983 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:34:02,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-01-10 06:34:03,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:03,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-10 06:34:03,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:03,145 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:34:03,146 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:03,146 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:03,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [289184541] [2022-01-10 06:34:03,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [289184541] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:03,146 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:03,146 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:34:03,146 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865526245] [2022-01-10 06:34:03,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:03,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:34:03,147 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:03,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:34:03,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:34:03,147 INFO L87 Difference]: Start difference. First operand 981 states and 1183 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-10 06:34:03,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:03,202 INFO L93 Difference]: Finished difference Result 1019 states and 1222 transitions. [2022-01-10 06:34:03,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 06:34:03,203 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 61 [2022-01-10 06:34:03,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:03,206 INFO L225 Difference]: With dead ends: 1019 [2022-01-10 06:34:03,206 INFO L226 Difference]: Without dead ends: 1017 [2022-01-10 06:34:03,206 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-10 06:34:03,207 INFO L933 BasicCegarLoop]: 138 mSDtfsCounter, 63 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:03,207 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 486 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:34:03,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2022-01-10 06:34:03,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 981. [2022-01-10 06:34:03,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 981 states, 755 states have (on average 1.2026490066225166) internal successors, (908), 797 states have internal predecessors, (908), 116 states have call successors, (116), 89 states have call predecessors, (116), 109 states have return successors, (147), 119 states have call predecessors, (147), 116 states have call successors, (147) [2022-01-10 06:34:03,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 981 states and 1171 transitions. [2022-01-10 06:34:03,240 INFO L78 Accepts]: Start accepts. Automaton has 981 states and 1171 transitions. Word has length 61 [2022-01-10 06:34:03,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:03,240 INFO L470 AbstractCegarLoop]: Abstraction has 981 states and 1171 transitions. [2022-01-10 06:34:03,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-10 06:34:03,240 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1171 transitions. [2022-01-10 06:34:03,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-01-10 06:34:03,241 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:03,241 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:03,258 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-01-10 06:34:03,448 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:34:03,448 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:03,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:03,449 INFO L85 PathProgramCache]: Analyzing trace with hash -662505803, now seen corresponding path program 1 times [2022-01-10 06:34:03,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:03,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2010729024] [2022-01-10 06:34:03,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:03,449 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:03,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:03,450 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:34:03,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-01-10 06:34:03,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:03,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-10 06:34:03,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:03,618 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-10 06:34:03,618 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:03,618 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:03,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2010729024] [2022-01-10 06:34:03,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2010729024] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:03,618 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:03,618 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-10 06:34:03,618 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54812470] [2022-01-10 06:34:03,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:03,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:34:03,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:03,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:34:03,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:34:03,619 INFO L87 Difference]: Start difference. First operand 981 states and 1171 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-01-10 06:34:03,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:03,702 INFO L93 Difference]: Finished difference Result 1903 states and 2281 transitions. [2022-01-10 06:34:03,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 06:34:03,702 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 64 [2022-01-10 06:34:03,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:03,705 INFO L225 Difference]: With dead ends: 1903 [2022-01-10 06:34:03,706 INFO L226 Difference]: Without dead ends: 929 [2022-01-10 06:34:03,707 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-01-10 06:34:03,708 INFO L933 BasicCegarLoop]: 175 mSDtfsCounter, 47 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:03,708 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [49 Valid, 664 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:34:03,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 929 states. [2022-01-10 06:34:03,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 929 to 929. [2022-01-10 06:34:03,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 929 states, 703 states have (on average 1.162162162162162) internal successors, (817), 745 states have internal predecessors, (817), 116 states have call successors, (116), 89 states have call predecessors, (116), 109 states have return successors, (140), 119 states have call predecessors, (140), 116 states have call successors, (140) [2022-01-10 06:34:03,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 929 states and 1073 transitions. [2022-01-10 06:34:03,737 INFO L78 Accepts]: Start accepts. Automaton has 929 states and 1073 transitions. Word has length 64 [2022-01-10 06:34:03,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:03,737 INFO L470 AbstractCegarLoop]: Abstraction has 929 states and 1073 transitions. [2022-01-10 06:34:03,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-01-10 06:34:03,737 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1073 transitions. [2022-01-10 06:34:03,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-01-10 06:34:03,739 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:03,739 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:03,748 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-01-10 06:34:03,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:34:03,947 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:03,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:03,948 INFO L85 PathProgramCache]: Analyzing trace with hash 578495603, now seen corresponding path program 1 times [2022-01-10 06:34:03,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:03,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [833942594] [2022-01-10 06:34:03,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:03,948 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:03,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:03,949 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:34:03,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-01-10 06:34:04,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:04,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-10 06:34:04,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:04,169 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-01-10 06:34:04,169 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:04,169 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:04,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [833942594] [2022-01-10 06:34:04,169 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [833942594] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:04,169 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:04,169 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:34:04,169 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770555202] [2022-01-10 06:34:04,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:04,170 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:34:04,170 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:04,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:34:04,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:34:04,171 INFO L87 Difference]: Start difference. First operand 929 states and 1073 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2022-01-10 06:34:04,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:04,244 INFO L93 Difference]: Finished difference Result 1857 states and 2163 transitions. [2022-01-10 06:34:04,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 06:34:04,245 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) Word has length 95 [2022-01-10 06:34:04,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:04,249 INFO L225 Difference]: With dead ends: 1857 [2022-01-10 06:34:04,249 INFO L226 Difference]: Without dead ends: 935 [2022-01-10 06:34:04,252 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-10 06:34:04,252 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 9 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:04,253 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 376 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:34:04,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 935 states. [2022-01-10 06:34:04,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 935 to 929. [2022-01-10 06:34:04,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 929 states, 703 states have (on average 1.1536273115220483) internal successors, (811), 745 states have internal predecessors, (811), 116 states have call successors, (116), 89 states have call predecessors, (116), 109 states have return successors, (140), 119 states have call predecessors, (140), 116 states have call successors, (140) [2022-01-10 06:34:04,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 929 states and 1067 transitions. [2022-01-10 06:34:04,288 INFO L78 Accepts]: Start accepts. Automaton has 929 states and 1067 transitions. Word has length 95 [2022-01-10 06:34:04,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:04,289 INFO L470 AbstractCegarLoop]: Abstraction has 929 states and 1067 transitions. [2022-01-10 06:34:04,289 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2022-01-10 06:34:04,289 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1067 transitions. [2022-01-10 06:34:04,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-01-10 06:34:04,291 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:04,291 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:04,304 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-01-10 06:34:04,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:34:04,501 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:04,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:04,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1808013903, now seen corresponding path program 1 times [2022-01-10 06:34:04,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:04,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2086240335] [2022-01-10 06:34:04,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:04,502 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:04,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:04,503 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:34:04,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-01-10 06:34:04,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:04,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:34:04,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:04,682 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-01-10 06:34:04,682 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:04,682 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:04,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2086240335] [2022-01-10 06:34:04,682 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2086240335] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:04,682 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:04,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 06:34:04,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797287426] [2022-01-10 06:34:04,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:04,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 06:34:04,683 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:04,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 06:34:04,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 06:34:04,683 INFO L87 Difference]: Start difference. First operand 929 states and 1067 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2022-01-10 06:34:04,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:04,712 INFO L93 Difference]: Finished difference Result 1747 states and 2030 transitions. [2022-01-10 06:34:04,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 06:34:04,712 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) Word has length 95 [2022-01-10 06:34:04,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:04,715 INFO L225 Difference]: With dead ends: 1747 [2022-01-10 06:34:04,715 INFO L226 Difference]: Without dead ends: 825 [2022-01-10 06:34:04,716 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:34:04,717 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 11 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:04,717 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 282 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:34:04,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2022-01-10 06:34:04,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 823. [2022-01-10 06:34:04,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 823 states, 623 states have (on average 1.1556982343499198) internal successors, (720), 659 states have internal predecessors, (720), 104 states have call successors, (104), 83 states have call predecessors, (104), 95 states have return successors, (120), 103 states have call predecessors, (120), 104 states have call successors, (120) [2022-01-10 06:34:04,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 944 transitions. [2022-01-10 06:34:04,740 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 944 transitions. Word has length 95 [2022-01-10 06:34:04,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:04,740 INFO L470 AbstractCegarLoop]: Abstraction has 823 states and 944 transitions. [2022-01-10 06:34:04,740 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2022-01-10 06:34:04,741 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 944 transitions. [2022-01-10 06:34:04,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-01-10 06:34:04,741 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:04,741 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:04,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-01-10 06:34:04,955 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:34:04,955 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:04,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:04,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1686740425, now seen corresponding path program 1 times [2022-01-10 06:34:04,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:04,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [208671022] [2022-01-10 06:34:04,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:04,956 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:04,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:04,960 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:34:04,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-01-10 06:34:05,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:05,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-10 06:34:05,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:05,195 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-10 06:34:05,196 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:05,196 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:05,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [208671022] [2022-01-10 06:34:05,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [208671022] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:05,196 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:05,196 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:34:05,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225721305] [2022-01-10 06:34:05,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:05,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:34:05,196 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:05,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:34:05,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:34:05,197 INFO L87 Difference]: Start difference. First operand 823 states and 944 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2022-01-10 06:34:05,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:05,291 INFO L93 Difference]: Finished difference Result 1639 states and 1894 transitions. [2022-01-10 06:34:05,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 06:34:05,291 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) Word has length 99 [2022-01-10 06:34:05,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:05,294 INFO L225 Difference]: With dead ends: 1639 [2022-01-10 06:34:05,294 INFO L226 Difference]: Without dead ends: 823 [2022-01-10 06:34:05,295 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:34:05,296 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 41 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:05,296 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 412 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:34:05,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 823 states. [2022-01-10 06:34:05,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 823 to 823. [2022-01-10 06:34:05,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 823 states, 623 states have (on average 1.1380417335473516) internal successors, (709), 659 states have internal predecessors, (709), 104 states have call successors, (104), 83 states have call predecessors, (104), 95 states have return successors, (120), 103 states have call predecessors, (120), 104 states have call successors, (120) [2022-01-10 06:34:05,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 933 transitions. [2022-01-10 06:34:05,326 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 933 transitions. Word has length 99 [2022-01-10 06:34:05,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:05,326 INFO L470 AbstractCegarLoop]: Abstraction has 823 states and 933 transitions. [2022-01-10 06:34:05,326 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2022-01-10 06:34:05,327 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 933 transitions. [2022-01-10 06:34:05,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-01-10 06:34:05,327 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:05,328 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:05,335 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-01-10 06:34:05,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:34:05,535 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:05,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:05,535 INFO L85 PathProgramCache]: Analyzing trace with hash -2019527147, now seen corresponding path program 1 times [2022-01-10 06:34:05,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:05,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1903009015] [2022-01-10 06:34:05,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:05,535 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:05,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:05,536 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:34:05,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-01-10 06:34:05,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:05,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 10 conjunts are in the unsatisfiable core [2022-01-10 06:34:05,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:05,880 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-01-10 06:34:05,881 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:05,881 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:05,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1903009015] [2022-01-10 06:34:05,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1903009015] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:05,881 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:05,881 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-10 06:34:05,881 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498264737] [2022-01-10 06:34:05,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:05,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-10 06:34:05,882 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:05,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-10 06:34:05,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-01-10 06:34:05,883 INFO L87 Difference]: Start difference. First operand 823 states and 933 transitions. Second operand has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 9 states have internal predecessors, (78), 5 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2022-01-10 06:34:06,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:06,443 INFO L93 Difference]: Finished difference Result 1984 states and 2283 transitions. [2022-01-10 06:34:06,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-10 06:34:06,443 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 9 states have internal predecessors, (78), 5 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) Word has length 101 [2022-01-10 06:34:06,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:06,447 INFO L225 Difference]: With dead ends: 1984 [2022-01-10 06:34:06,447 INFO L226 Difference]: Without dead ends: 1256 [2022-01-10 06:34:06,449 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=258, Unknown=0, NotChecked=0, Total=342 [2022-01-10 06:34:06,449 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 324 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:06,449 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [338 Valid, 450 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 565 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 06:34:06,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1256 states. [2022-01-10 06:34:06,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1256 to 1215. [2022-01-10 06:34:06,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1215 states, 908 states have (on average 1.1200440528634361) internal successors, (1017), 958 states have internal predecessors, (1017), 155 states have call successors, (155), 134 states have call predecessors, (155), 151 states have return successors, (177), 153 states have call predecessors, (177), 155 states have call successors, (177) [2022-01-10 06:34:06,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 1349 transitions. [2022-01-10 06:34:06,495 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 1349 transitions. Word has length 101 [2022-01-10 06:34:06,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:06,495 INFO L470 AbstractCegarLoop]: Abstraction has 1215 states and 1349 transitions. [2022-01-10 06:34:06,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 9 states have internal predecessors, (78), 5 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2022-01-10 06:34:06,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1349 transitions. [2022-01-10 06:34:06,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-01-10 06:34:06,496 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:06,497 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:06,506 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Ended with exit code 0 [2022-01-10 06:34:06,704 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:34:06,704 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:06,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:06,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1465496225, now seen corresponding path program 1 times [2022-01-10 06:34:06,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:06,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [848717589] [2022-01-10 06:34:06,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:06,705 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:06,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:06,706 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:34:06,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-01-10 06:34:06,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:06,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 9 conjunts are in the unsatisfiable core [2022-01-10 06:34:06,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:06,975 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-01-10 06:34:06,975 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:06,993 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:06,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [848717589] [2022-01-10 06:34:06,993 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [848717589] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:06,993 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:06,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-10 06:34:06,994 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272071010] [2022-01-10 06:34:06,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:06,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-10 06:34:06,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:06,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-10 06:34:06,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-01-10 06:34:06,994 INFO L87 Difference]: Start difference. First operand 1215 states and 1349 transitions. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) [2022-01-10 06:34:07,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:07,101 INFO L93 Difference]: Finished difference Result 2283 states and 2538 transitions. [2022-01-10 06:34:07,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-10 06:34:07,102 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) Word has length 103 [2022-01-10 06:34:07,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:07,102 INFO L225 Difference]: With dead ends: 2283 [2022-01-10 06:34:07,102 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 06:34:07,105 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-01-10 06:34:07,105 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 33 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 698 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:07,106 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 698 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:34:07,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 06:34:07,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 06:34:07,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 06:34:07,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 06:34:07,106 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 103 [2022-01-10 06:34:07,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:07,106 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 06:34:07,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) [2022-01-10 06:34:07,107 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 06:34:07,107 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 06:34:07,108 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 06:34:07,115 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2022-01-10 06:34:07,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:34:07,317 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 06:34:12,092 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 720 726) no Hoare annotation was computed. [2022-01-10 06:34:12,092 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 720 726) the Hoare annotation is: true [2022-01-10 06:34:12,092 INFO L858 garLoopResultBuilder]: For program point L626-1(lines 622 633) no Hoare annotation was computed. [2022-01-10 06:34:12,092 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 622 633) the Hoare annotation is: (let ((.cse0 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse2 (not (= |old(~methaneLevelCritical~0)| (_ bv1 32)))) (.cse3 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (not (= |old(~methaneLevelCritical~0)| (_ bv0 32)))) (.cse6 (not (= (_ bv1 32) ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse5) (or .cse1 .cse2 .cse3 .cse6) (or .cse1 .cse4 .cse5 .cse6))) [2022-01-10 06:34:12,092 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 622 633) no Hoare annotation was computed. [2022-01-10 06:34:12,092 INFO L854 garLoopResultBuilder]: At program point L671(lines 666 674) the Hoare annotation is: (let ((.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 |timeShift___utac_acc__Specification3_spec__1_~tmp~0#1|)) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse9 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse2 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse10 (not (= ~methaneLevelCritical~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse4 .cse5) (or .cse2 .cse4 (and (= |timeShift_processEnvironment_~tmp~6#1| (_ bv0 32)) .cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse5) (let ((.cse7 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|)) (.cse8 (= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and .cse1 .cse6 .cse7 .cse8) .cse2 .cse3 .cse4 (and .cse6 .cse9 .cse7 .cse8))) (or .cse2 .cse3 (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse4 .cse9) (or .cse2 .cse10 .cse5) (or .cse2 .cse3 .cse10))) [2022-01-10 06:34:12,093 INFO L854 garLoopResultBuilder]: At program point L828(lines 823 831) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse4 (= |timeShift_isPumpRunning_#res#1| (_ bv1 32))) (.cse5 (= ~methaneLevelCritical~0 |timeShift___utac_acc__Specification3_spec__1_~tmp~0#1|)) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv1 32))))) (and (or (not (= (_ bv2 32) |old(~waterLevel~0)|)) .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2) (or .cse0 .cse3 .cse1 (and (= (_ bv1 32) ~pumpRunning~0) (= ~waterLevel~0 (_ bv2 32)) .cse4 .cse5 (= ~waterLevel~0 |timeShift___utac_acc__Specification3_spec__1_~tmp___0~0#1|) (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|) (= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse2 (and .cse4 (= |timeShift_processEnvironment_~tmp~6#1| (_ bv0 32)) .cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or .cse0 .cse6 .cse2) (or .cse0 .cse3 .cse6))) [2022-01-10 06:34:12,093 INFO L858 garLoopResultBuilder]: For program point L700-1(lines 699 718) no Hoare annotation was computed. [2022-01-10 06:34:12,093 INFO L858 garLoopResultBuilder]: For program point L762(lines 762 770) no Hoare annotation was computed. [2022-01-10 06:34:12,093 INFO L858 garLoopResultBuilder]: For program point L758(lines 758 775) no Hoare annotation was computed. [2022-01-10 06:34:12,093 INFO L858 garLoopResultBuilder]: For program point L73(lines 73 79) no Hoare annotation was computed. [2022-01-10 06:34:12,093 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 696 719) no Hoare annotation was computed. [2022-01-10 06:34:12,093 INFO L858 garLoopResultBuilder]: For program point L69(lines 69 82) no Hoare annotation was computed. [2022-01-10 06:34:12,093 INFO L854 garLoopResultBuilder]: At program point L69-1(lines 54 86) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv1 32)))) (let ((.cse7 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse8 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (= ~methaneLevelCritical~0 |timeShift___utac_acc__Specification3_spec__1_~tmp~0#1|)) (.cse15 (= (_ bv1 32) ~pumpRunning~0)) (.cse14 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse1 (= |timeShift_processEnvironment_~tmp~6#1| (_ bv0 32))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse16 (= |timeShift___utac_acc__Specification3_spec__1_~tmp~0#1| (_ bv1 32))) (.cse6 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse0 (not .cse4)) (.cse10 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse17 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse9 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse12 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4) .cse5 .cse6) (or .cse7 .cse0 .cse8 .cse5 .cse6) (or .cse7 .cse0 .cse9 .cse8 .cse6) (let ((.cse11 (= ~waterLevel~0 |timeShift___utac_acc__Specification3_spec__1_~tmp___0~0#1|)) (.cse13 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|))) (or .cse0 .cse10 (and (not (= ~waterLevel~0 (_ bv2 32))) .cse2 .cse11 .cse12 .cse13 .cse14) .cse5 (and .cse15 .cse2 .cse11 .cse13 .cse14))) (or .cse0 (and .cse15 .cse16 .cse14) (and .cse16 .cse12 .cse14) .cse10 .cse9) (or .cse0 .cse10 .cse17 .cse5 .cse12) (or .cse0 (and .cse16 .cse12) (and .cse1 .cse3 .cse16 .cse4) .cse9 .cse6) (or .cse0 .cse10 .cse17 .cse9 .cse12)))) [2022-01-10 06:34:12,093 INFO L854 garLoopResultBuilder]: At program point L61(line 61) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse8 (and (= (_ bv1 32) ~pumpRunning~0) .cse6)) (.cse7 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse11 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse9 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse4 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse10 (and (= |timeShift_processEnvironment_~tmp~6#1| (_ bv0 32)) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 (and (not (= ~waterLevel~0 (_ bv2 32))) .cse5 .cse6) .cse7 .cse8 .cse3) (or .cse0 .cse1 .cse9 .cse2 .cse4) (or .cse1 .cse7 .cse8 .cse9 (and .cse5 .cse6)) (or .cse1 .cse9 .cse4 .cse10 .cse5) (or .cse1 .cse7 .cse11 .cse3 .cse5) (or .cse1 .cse7 .cse11 .cse9 .cse5) (or .cse1 .cse3 .cse4 .cse10)))) [2022-01-10 06:34:12,093 INFO L858 garLoopResultBuilder]: For program point L61-1(line 61) no Hoare annotation was computed. [2022-01-10 06:34:12,093 INFO L858 garLoopResultBuilder]: For program point L602(lines 602 606) no Hoare annotation was computed. [2022-01-10 06:34:12,093 INFO L854 garLoopResultBuilder]: At program point L602-2(lines 598 609) the Hoare annotation is: (let ((.cse3 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse2 .cse5) (or .cse3 .cse0 .cse6 .cse4 .cse5) (or .cse0 .cse7 .cse6 .cse5) (or .cse0 .cse7 .cse2 .cse5) (or .cse0 .cse1 .cse6))) [2022-01-10 06:34:12,093 INFO L854 garLoopResultBuilder]: At program point L809(lines 804 811) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse1) (or (not (= (_ bv2 32) |old(~waterLevel~0)|)) .cse0 .cse4 (= ~waterLevel~0 (_ bv1 32)) .cse2) (or .cse0 .cse4 .cse2 (= (_ bv0 32) ~pumpRunning~0)) (or .cse0 .cse3 .cse4))) [2022-01-10 06:34:12,094 INFO L854 garLoopResultBuilder]: At program point L768(line 768) the Hoare annotation is: (let ((.cse6 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse7 (= ~waterLevel~0 (_ bv1 32))) (.cse4 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse1 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse3 (and (= |timeShift_processEnvironment_~tmp~6#1| (_ bv0 32)) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5) (or .cse6 .cse0 .cse7 .cse5 .cse2) (or .cse6 .cse0 .cse1 .cse7 .cse2) (or .cse0 .cse4 .cse1) (or .cse0 .cse5 .cse2 .cse3))) [2022-01-10 06:34:12,094 INFO L854 garLoopResultBuilder]: At program point L760(line 760) the Hoare annotation is: (let ((.cse3 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse6 (not (= ~methaneLevelCritical~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse2 .cse5) (or .cse3 .cse0 .cse6 .cse4 .cse5) (or .cse0 .cse7 .cse6 .cse5) (or .cse0 .cse7 .cse2 .cse5) (or .cse0 .cse1 .cse6))) [2022-01-10 06:34:12,094 INFO L858 garLoopResultBuilder]: For program point L760-1(line 760) no Hoare annotation was computed. [2022-01-10 06:34:12,094 INFO L858 garLoopResultBuilder]: For program point L967(line 967) no Hoare annotation was computed. [2022-01-10 06:34:12,094 INFO L854 garLoopResultBuilder]: At program point L773(line 773) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse3 (and (= (_ bv0 32) ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5) (or .cse0 .cse1 .cse4 .cse3) (or .cse0 .cse2 .cse5))) [2022-01-10 06:34:12,094 INFO L854 garLoopResultBuilder]: At program point L773-1(lines 754 778) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse8 (and (= (_ bv1 32) ~pumpRunning~0) .cse6)) (.cse7 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse11 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse9 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse4 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse10 (and (= |timeShift_processEnvironment_~tmp~6#1| (_ bv0 32)) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 (and (not (= ~waterLevel~0 (_ bv2 32))) .cse5 .cse6) .cse7 .cse8 .cse3) (or .cse0 .cse1 .cse9 .cse2 .cse4) (or .cse1 .cse7 .cse8 .cse9 (and .cse5 .cse6)) (or .cse1 .cse9 .cse4 .cse10 .cse5) (or .cse1 .cse7 .cse11 .cse3 .cse5) (or .cse1 .cse7 .cse11 .cse9 .cse5) (or .cse1 .cse3 .cse4 .cse10)))) [2022-01-10 06:34:12,094 INFO L858 garLoopResultBuilder]: For program point L707-1(lines 707 713) no Hoare annotation was computed. [2022-01-10 06:34:12,094 INFO L858 garLoopResultBuilder]: For program point L63(lines 63 83) no Hoare annotation was computed. [2022-01-10 06:34:12,094 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 696 719) the Hoare annotation is: (let ((.cse7 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse3 (and (= (_ bv0 32) ~pumpRunning~0) .cse7)) (.cse4 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse7)) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse6 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse6) (or .cse0 .cse1 .cse5 .cse3) (or .cse4 .cse0 .cse2 .cse6)))) [2022-01-10 06:34:12,094 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 696 719) no Hoare annotation was computed. [2022-01-10 06:34:12,094 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 967) no Hoare annotation was computed. [2022-01-10 06:34:12,094 INFO L854 garLoopResultBuilder]: At program point L968(lines 963 970) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse1) (or .cse0 .cse4 .cse2) (or .cse0 .cse3 .cse4))) [2022-01-10 06:34:12,094 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 494 523) no Hoare annotation was computed. [2022-01-10 06:34:12,094 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 494 523) the Hoare annotation is: true [2022-01-10 06:34:12,095 INFO L858 garLoopResultBuilder]: For program point L508(lines 508 512) no Hoare annotation was computed. [2022-01-10 06:34:12,095 INFO L861 garLoopResultBuilder]: At program point L508-1(lines 508 512) the Hoare annotation is: true [2022-01-10 06:34:12,095 INFO L858 garLoopResultBuilder]: For program point L505(line 505) no Hoare annotation was computed. [2022-01-10 06:34:12,095 INFO L861 garLoopResultBuilder]: At program point L504-2(lines 504 518) the Hoare annotation is: true [2022-01-10 06:34:12,095 INFO L861 garLoopResultBuilder]: At program point L500(line 500) the Hoare annotation is: true [2022-01-10 06:34:12,095 INFO L858 garLoopResultBuilder]: For program point L500-1(line 500) no Hoare annotation was computed. [2022-01-10 06:34:12,095 INFO L861 garLoopResultBuilder]: At program point L519(lines 494 523) the Hoare annotation is: true [2022-01-10 06:34:12,095 INFO L858 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2022-01-10 06:34:12,095 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 634 642) the Hoare annotation is: true [2022-01-10 06:34:12,095 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 634 642) no Hoare annotation was computed. [2022-01-10 06:34:12,095 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 634 642) no Hoare annotation was computed. [2022-01-10 06:34:12,095 INFO L858 garLoopResultBuilder]: For program point L944(lines 944 948) no Hoare annotation was computed. [2022-01-10 06:34:12,095 INFO L854 garLoopResultBuilder]: At program point L944-2(lines 936 949) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse2 .cse4 .cse3 .cse5) (and .cse1 .cse2 .cse3 .cse5) (and .cse0 .cse2 .cse4 .cse3))) [2022-01-10 06:34:12,095 INFO L858 garLoopResultBuilder]: For program point L907(lines 906 953) no Hoare annotation was computed. [2022-01-10 06:34:12,095 INFO L854 garLoopResultBuilder]: At program point L106(lines 102 108) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:34:12,095 INFO L858 garLoopResultBuilder]: For program point L936(lines 936 949) no Hoare annotation was computed. [2022-01-10 06:34:12,095 INFO L854 garLoopResultBuilder]: At program point L928(line 928) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse2 .cse4 .cse3 .cse5) (and .cse1 .cse2 .cse3 .cse5) (and .cse0 .cse2 .cse4 .cse3))) [2022-01-10 06:34:12,095 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 06:34:12,095 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 06:34:12,095 INFO L861 garLoopResultBuilder]: At program point L957(lines 896 961) the Hoare annotation is: true [2022-01-10 06:34:12,096 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 06:34:12,096 INFO L858 garLoopResultBuilder]: For program point L916(lines 916 922) no Hoare annotation was computed. [2022-01-10 06:34:12,096 INFO L858 garLoopResultBuilder]: For program point L916-1(lines 916 922) no Hoare annotation was computed. [2022-01-10 06:34:12,096 INFO L858 garLoopResultBuilder]: For program point L908(lines 908 912) no Hoare annotation was computed. [2022-01-10 06:34:12,096 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 06:34:12,096 INFO L854 garLoopResultBuilder]: At program point L892(lines 887 894) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse2 .cse4 .cse3 .cse5) (and .cse1 .cse2 .cse3 .cse5) (and .cse0 .cse2 .cse4 .cse3))) [2022-01-10 06:34:12,096 INFO L854 garLoopResultBuilder]: At program point L954(lines 905 955) the Hoare annotation is: false [2022-01-10 06:34:12,096 INFO L861 garLoopResultBuilder]: At program point L566(lines 559 568) the Hoare annotation is: true [2022-01-10 06:34:12,096 INFO L858 garLoopResultBuilder]: For program point L579(lines 579 586) no Hoare annotation was computed. [2022-01-10 06:34:12,096 INFO L858 garLoopResultBuilder]: For program point L579-2(lines 579 586) no Hoare annotation was computed. [2022-01-10 06:34:12,096 INFO L858 garLoopResultBuilder]: For program point L926(lines 926 932) no Hoare annotation was computed. [2022-01-10 06:34:12,096 INFO L858 garLoopResultBuilder]: For program point L926-1(lines 926 932) no Hoare annotation was computed. [2022-01-10 06:34:12,096 INFO L854 garLoopResultBuilder]: At program point L121(lines 116 124) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:34:12,096 INFO L854 garLoopResultBuilder]: At program point L951(lines 906 953) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse2 .cse4 .cse3 .cse5) (and .cse1 .cse2 .cse3 .cse5) (and .cse0 .cse2 .cse4 .cse3))) [2022-01-10 06:34:12,096 INFO L854 garLoopResultBuilder]: At program point L918(line 918) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse2 .cse4 .cse3 .cse5) (and .cse1 .cse2 .cse3 .cse5) (and .cse0 .cse2 .cse4 .cse3))) [2022-01-10 06:34:12,096 INFO L854 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:34:12,096 INFO L861 garLoopResultBuilder]: At program point L588(lines 569 591) the Hoare annotation is: true [2022-01-10 06:34:12,096 INFO L854 garLoopResultBuilder]: At program point L555(lines 551 557) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:34:12,096 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 610 621) no Hoare annotation was computed. [2022-01-10 06:34:12,096 INFO L858 garLoopResultBuilder]: For program point L614-1(lines 610 621) no Hoare annotation was computed. [2022-01-10 06:34:12,097 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 610 621) the Hoare annotation is: (let ((.cse0 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse5 (not (= (_ bv1 32) ~pumpRunning~0))) (.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse1 .cse2 .cse5 .cse3) (or .cse1 .cse4 .cse5 .cse3))) [2022-01-10 06:34:12,097 INFO L854 garLoopResultBuilder]: At program point L684(lines 675 688) the Hoare annotation is: (let ((.cse5 (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| (_ bv1 32))) (.cse9 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse4 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse6 (and (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| (_ bv0 32)) .cse9)) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse7 (and (not (= ~waterLevel~0 (_ bv2 32))) .cse5 .cse9)) (.cse8 (not (= ~methaneLevelCritical~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse1 .cse4 .cse5) (or .cse6 .cse0 .cse3 .cse7 .cse1) (or .cse0 .cse8 .cse2) (or .cse0 .cse3 .cse8 .cse4 .cse5) (or .cse6 .cse0 .cse3 .cse7 .cse8)))) [2022-01-10 06:34:12,097 INFO L854 garLoopResultBuilder]: At program point L742(line 742) the Hoare annotation is: (let ((.cse6 (= ~systemActive~0 (_ bv1 32)))) (let ((.cse5 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse0 (not .cse6)) (.cse3 (and (not (= ~waterLevel~0 (_ bv2 32))) (= (_ bv1 32) |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~8#1|) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1| (_ bv0 32)) .cse6 (= |processEnvironment__wrappee__methaneQuery_~tmp~5#1| (_ bv0 32)) (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1| (_ bv0 32)) (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0))) (.cse4 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse5) (or .cse0 .cse5 .cse2) (or .cse0 .cse3 .cse4 .cse1)))) [2022-01-10 06:34:12,097 INFO L858 garLoopResultBuilder]: For program point L736(lines 736 744) no Hoare annotation was computed. [2022-01-10 06:34:12,097 INFO L858 garLoopResultBuilder]: For program point L732(lines 732 749) no Hoare annotation was computed. [2022-01-10 06:34:12,097 INFO L858 garLoopResultBuilder]: For program point L794(lines 794 800) no Hoare annotation was computed. [2022-01-10 06:34:12,097 INFO L854 garLoopResultBuilder]: At program point L792(line 792) the Hoare annotation is: (let ((.cse9 (= ~systemActive~0 (_ bv1 32)))) (let ((.cse3 (and .cse9 (= (_ bv0 32) ~pumpRunning~0))) (.cse6 (and (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1| (_ bv1 32)) (= |processEnvironment__wrappee__methaneQuery_~tmp~5#1| (_ bv1 32)) (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| (_ bv0 32)) (= (_ bv0 32) |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~8#1|) (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1| (_ bv1 32)))) (.cse7 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not .cse9)) (.cse4 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse8 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse1) (or .cse0 .cse3 .cse4 .cse5) (or .cse0 .cse6 .cse7 .cse4 .cse1) (or .cse0 .cse6 .cse7 .cse4 .cse5) (or .cse0 .cse5 .cse2) (or .cse0 .cse4 .cse1 .cse8) (or .cse0 .cse4 .cse5 .cse8)))) [2022-01-10 06:34:12,097 INFO L854 garLoopResultBuilder]: At program point L794-2(lines 787 803) the Hoare annotation is: (let ((.cse5 (and (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1| (_ bv1 32)) (= |processEnvironment__wrappee__methaneQuery_~tmp~5#1| (_ bv1 32)) (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| (_ bv0 32)) (= (_ bv0 32) |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~8#1|) (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1| (_ bv1 32)))) (.cse6 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse4 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse7 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse8 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse1 (and .cse4 (= ~methaneLevelCritical~0 |processEnvironment__wrappee__methaneQuery_activatePump_~tmp~7#1|))) (or .cse0 .cse5 .cse6 .cse3 .cse1) (or .cse0 .cse5 .cse6 .cse3 .cse7) (or .cse4 .cse0 .cse3 .cse7 (= (_ bv0 32) ~pumpRunning~0)) (or .cse0 .cse7 .cse2) (or .cse0 .cse3 .cse1 .cse8) (or .cse0 .cse3 .cse7 .cse8))) [2022-01-10 06:34:12,097 INFO L858 garLoopResultBuilder]: For program point L792-1(line 792) no Hoare annotation was computed. [2022-01-10 06:34:12,097 INFO L854 garLoopResultBuilder]: At program point L883(lines 868 886) the Hoare annotation is: (let ((.cse5 (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1| (_ bv0 32))) (.cse12 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse11 (= ~systemActive~0 (_ bv1 32))) (.cse13 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse7 (and (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1| (_ bv1 32)) (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1| (_ bv1 32)) .cse12 .cse11 .cse13)) (.cse8 (and (= (_ bv1 32) |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~8#1|) .cse12 (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1| (_ bv0 32)) .cse11 .cse5 (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| (_ bv1 32)) .cse13)) (.cse9 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse10 (and (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| (_ bv0 32)) (= (_ bv0 32) |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~8#1|))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse6 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse0 (not .cse11)) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse0 .cse3 .cse8 .cse4) (or .cse0 .cse9 .cse3 .cse4 .cse10) (or .cse7 .cse0 .cse3 .cse8 .cse1) (or .cse0 .cse9 .cse3 .cse1 .cse10) (or .cse0 .cse3 .cse1 .cse5 .cse6) (or .cse0 .cse4 .cse2)))) [2022-01-10 06:34:12,097 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 728 752) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse6 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse6) (or .cse0 .cse4 .cse2 .cse6) (or .cse0 .cse1 .cse5 .cse3))) [2022-01-10 06:34:12,097 INFO L854 garLoopResultBuilder]: At program point L784(lines 779 786) the Hoare annotation is: (let ((.cse4 (= (_ bv1 32) ~pumpRunning~0)) (.cse5 (and (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1| (_ bv1 32)) (= |processEnvironment__wrappee__methaneQuery_~tmp~5#1| (_ bv1 32)) (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| (_ bv0 32)) (= (_ bv0 32) |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~8#1|) (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1| (_ bv1 32)))) (.cse6 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse7 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse8 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse1 (and .cse4 (= ~methaneLevelCritical~0 |processEnvironment__wrappee__methaneQuery_activatePump_~tmp~7#1|))) (or .cse0 .cse5 .cse6 .cse3 .cse1) (or .cse4 .cse0 .cse3 .cse7) (or .cse0 .cse5 .cse6 .cse3 .cse7) (or .cse0 .cse7 .cse2) (or .cse0 .cse3 .cse1 .cse8) (or .cse0 .cse3 .cse7 .cse8))) [2022-01-10 06:34:12,097 INFO L858 garLoopResultBuilder]: For program point L877(lines 877 881) no Hoare annotation was computed. [2022-01-10 06:34:12,097 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 728 752) no Hoare annotation was computed. [2022-01-10 06:34:12,098 INFO L858 garLoopResultBuilder]: For program point L877-2(lines 877 881) no Hoare annotation was computed. [2022-01-10 06:34:12,098 INFO L854 garLoopResultBuilder]: At program point L747(line 747) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse5) (or .cse0 .cse3 .cse2 .cse5) (or .cse0 .cse1 .cse4))) [2022-01-10 06:34:12,098 INFO L858 garLoopResultBuilder]: For program point L747-1(lines 728 752) no Hoare annotation was computed. [2022-01-10 06:34:12,098 INFO L858 garLoopResultBuilder]: For program point L679(lines 679 685) no Hoare annotation was computed. [2022-01-10 06:34:12,098 INFO L861 garLoopResultBuilder]: At program point L817(line 817) the Hoare annotation is: true [2022-01-10 06:34:12,098 INFO L858 garLoopResultBuilder]: For program point L817-1(line 817) no Hoare annotation was computed. [2022-01-10 06:34:12,098 INFO L861 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 812 822) the Hoare annotation is: true [2022-01-10 06:34:12,098 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 812 822) no Hoare annotation was computed. [2022-01-10 06:34:12,098 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 812 822) no Hoare annotation was computed. [2022-01-10 06:34:12,100 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:12,101 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 06:34:12,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:34:12 BoogieIcfgContainer [2022-01-10 06:34:12,132 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 06:34:12,133 INFO L158 Benchmark]: Toolchain (without parser) took 15006.88ms. Allocated memory was 186.6MB in the beginning and 274.7MB in the end (delta: 88.1MB). Free memory was 132.7MB in the beginning and 131.2MB in the end (delta: 1.5MB). Peak memory consumption was 135.5MB. Max. memory is 8.0GB. [2022-01-10 06:34:12,133 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 186.6MB. Free memory is still 149.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 06:34:12,133 INFO L158 Benchmark]: CACSL2BoogieTranslator took 375.53ms. Allocated memory is still 186.6MB. Free memory was 132.6MB in the beginning and 146.5MB in the end (delta: -14.0MB). Peak memory consumption was 9.0MB. Max. memory is 8.0GB. [2022-01-10 06:34:12,133 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.84ms. Allocated memory is still 186.6MB. Free memory was 146.5MB in the beginning and 143.9MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-10 06:34:12,133 INFO L158 Benchmark]: Boogie Preprocessor took 19.17ms. Allocated memory is still 186.6MB. Free memory was 143.9MB in the beginning and 142.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 06:34:12,133 INFO L158 Benchmark]: RCFGBuilder took 380.55ms. Allocated memory is still 186.6MB. Free memory was 142.4MB in the beginning and 124.5MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2022-01-10 06:34:12,134 INFO L158 Benchmark]: TraceAbstraction took 14190.02ms. Allocated memory was 186.6MB in the beginning and 274.7MB in the end (delta: 88.1MB). Free memory was 124.0MB in the beginning and 131.2MB in the end (delta: -7.2MB). Peak memory consumption was 125.4MB. Max. memory is 8.0GB. [2022-01-10 06:34:12,135 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 186.6MB. Free memory is still 149.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 375.53ms. Allocated memory is still 186.6MB. Free memory was 132.6MB in the beginning and 146.5MB in the end (delta: -14.0MB). Peak memory consumption was 9.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.84ms. Allocated memory is still 186.6MB. Free memory was 146.5MB in the beginning and 143.9MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.17ms. Allocated memory is still 186.6MB. Free memory was 143.9MB in the beginning and 142.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 380.55ms. Allocated memory is still 186.6MB. Free memory was 142.4MB in the beginning and 124.5MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 14190.02ms. Allocated memory was 186.6MB in the beginning and 274.7MB in the end (delta: 88.1MB). Free memory was 124.0MB in the beginning and 131.2MB in the end (delta: -7.2MB). Peak memory consumption was 125.4MB. Max. memory is 8.0GB. * 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: 967]: 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 9 procedures, 96 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.1s, OverallIterations: 16, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1283 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1231 mSDsluCounter, 6291 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4315 mSDsCounter, 246 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1514 IncrementalHoareTripleChecker+Invalid, 1760 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 246 mSolverCounterUnsat, 1976 mSDtfsCounter, 1514 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1015 GetRequests, 933 SyntacticMatches, 1 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1215occurred in iteration=15, InterpolantAutomatonStates: 99, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 16 MinimizatonAttempts, 218 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 3712 PreInvPairs, 3989 NumberOfFragments, 2962 HoareAnnotationTreeSize, 3712 FomulaSimplifications, 1066 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 44 FomulaSimplificationsInter, 10575 FormulaSimplificationTreeSizeReductionInter, 4.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1001 NumberOfCodeBlocks, 1001 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 985 ConstructedInterpolants, 0 QuantifiedInterpolants, 1949 SizeOfPredicates, 33 NumberOfNonLiveVariables, 3277 ConjunctsInSsa, 88 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 220/220 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: 54]: Loop Invariant Derived loop invariant: (((((((((!(systemActive == 1bv32) || (((tmp == 0bv32 && methaneLevelCritical == tmp) && \old(pumpRunning) == pumpRunning) && systemActive == 1bv32)) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32)) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || waterLevel == 1bv32) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32))) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 1bv32)) || waterLevel == 1bv32) || !(\old(pumpRunning) == 1bv32))) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || (((((!(waterLevel == 2bv32) && methaneLevelCritical == tmp) && waterLevel == tmp___0) && 0bv32 == pumpRunning) && waterLevel == \result) && waterLevel == \old(waterLevel))) || !(methaneLevelCritical == 0bv32)) || ((((1bv32 == pumpRunning && methaneLevelCritical == tmp) && waterLevel == tmp___0) && waterLevel == \result) && waterLevel == \old(waterLevel)))) && ((((!(systemActive == 1bv32) || ((1bv32 == pumpRunning && tmp == 1bv32) && waterLevel == \old(waterLevel))) || ((tmp == 1bv32 && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32))) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 0bv32)) || 0bv32 == pumpRunning)) && ((((!(systemActive == 1bv32) || (tmp == 1bv32 && 0bv32 == pumpRunning)) || (((tmp == 0bv32 && \old(pumpRunning) == pumpRunning) && tmp == 1bv32) && systemActive == 1bv32)) || !(methaneLevelCritical == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 1bv32)) || 0bv32 == pumpRunning) - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: (((((1bv32 == pumpRunning && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && splverifierCounter == 0bv32) || (((systemActive == 1bv32 && methaneLevelCritical == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || (((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || (((1bv32 == pumpRunning && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || waterLevel == 1bv32) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32))) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 1bv32)) || waterLevel == 1bv32) || !(\old(pumpRunning) == 1bv32))) && (((!(systemActive == 1bv32) || \old(pumpRunning) == pumpRunning) || !(methaneLevelCritical == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && (((!(systemActive == 1bv32) || \old(pumpRunning) == pumpRunning) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32))) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: (((((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || waterLevel == 1bv32) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32)) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || ((((((1bv32 == pumpRunning && waterLevel == 2bv32) && \result == 1bv32) && methaneLevelCritical == tmp) && waterLevel == tmp___0) && waterLevel == \result) && waterLevel == \old(waterLevel)))) && (((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32)) || (((\result == 1bv32 && tmp == 0bv32) && methaneLevelCritical == tmp) && \old(pumpRunning) == pumpRunning))) && ((!(systemActive == 1bv32) || !(methaneLevelCritical == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: ((((((((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32)) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || tmp___0 == 0bv32) || !(waterLevel == 1bv32))) && ((((((((tmp___0 == 1bv32 && \result == 1bv32) && \old(pumpRunning) == pumpRunning) && systemActive == 1bv32) && 0bv32 == pumpRunning) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || ((((((1bv32 == tmp && \old(pumpRunning) == pumpRunning) && \result == 0bv32) && systemActive == 1bv32) && tmp___0 == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || !(methaneLevelCritical == 1bv32))) && ((((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || (\result == 0bv32 && 0bv32 == tmp))) && ((((((((tmp___0 == 1bv32 && \result == 1bv32) && \old(pumpRunning) == pumpRunning) && systemActive == 1bv32) && 0bv32 == pumpRunning) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || ((((((1bv32 == tmp && \old(pumpRunning) == pumpRunning) && \result == 0bv32) && systemActive == 1bv32) && tmp___0 == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || !(methaneLevelCritical == 0bv32))) && ((((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || (\result == 0bv32 && 0bv32 == tmp))) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || tmp___0 == 0bv32) || !(waterLevel == 1bv32))) && ((!(systemActive == 1bv32) || !(methaneLevelCritical == 1bv32)) || !(\old(pumpRunning) == 1bv32)) - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: (((((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32)) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32))) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 1bv32)) || waterLevel == 1bv32) || !(\old(pumpRunning) == 1bv32))) && (((!(systemActive == 1bv32) || !(methaneLevelCritical == 1bv32)) || !(\old(pumpRunning) == 1bv32)) || 0bv32 == pumpRunning)) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 779]: Loop Invariant Derived loop invariant: ((((((((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32)) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || (1bv32 == pumpRunning && methaneLevelCritical == tmp))) && ((((!(systemActive == 1bv32) || ((((tmp___0 == 1bv32 && tmp == 1bv32) && \result == 0bv32) && 0bv32 == tmp) && \result == 1bv32)) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32))) && (((1bv32 == pumpRunning || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32))) && ((((!(systemActive == 1bv32) || ((((tmp___0 == 1bv32 && tmp == 1bv32) && \result == 0bv32) && 0bv32 == tmp) && \result == 1bv32)) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32))) && ((!(systemActive == 1bv32) || !(methaneLevelCritical == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || !(waterLevel == 1bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || !(waterLevel == 1bv32)) - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32)) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || !(waterLevel == 1bv32)) || \result == 1bv32)) && (((((\result == 0bv32 && 0bv32 == pumpRunning) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || ((!(waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || !(methaneLevelCritical == 0bv32))) && ((!(systemActive == 1bv32) || !(methaneLevelCritical == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || !(waterLevel == 1bv32)) || \result == 1bv32)) && (((((\result == 0bv32 && 0bv32 == pumpRunning) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || ((!(waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || !(methaneLevelCritical == 1bv32)) - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: ((((((((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32)) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || (1bv32 == pumpRunning && methaneLevelCritical == tmp))) && ((((!(systemActive == 1bv32) || ((((tmp___0 == 1bv32 && tmp == 1bv32) && \result == 0bv32) && 0bv32 == tmp) && \result == 1bv32)) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32))) && ((((!(systemActive == 1bv32) || ((((tmp___0 == 1bv32 && tmp == 1bv32) && \result == 0bv32) && 0bv32 == tmp) && \result == 1bv32)) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32))) && ((((1bv32 == pumpRunning || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || 0bv32 == pumpRunning)) && ((!(systemActive == 1bv32) || !(methaneLevelCritical == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || !(waterLevel == 1bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) || !(waterLevel == 1bv32)) - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: (((((((((!(2bv32 == \old(waterLevel)) || 1bv32 == pumpRunning) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || waterLevel == 1bv32) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32))) && (((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) || ((tmp == 0bv32 && methaneLevelCritical == tmp) && \old(pumpRunning) == pumpRunning)) || !(\old(pumpRunning) == 1bv32))) && (((((((1bv32 == pumpRunning && methaneLevelCritical == tmp) && waterLevel == \result) && waterLevel == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) || (((methaneLevelCritical == tmp && 0bv32 == pumpRunning) && waterLevel == \result) && waterLevel == \old(waterLevel)))) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 0bv32)) || 0bv32 == pumpRunning)) && ((!(systemActive == 1bv32) || !(methaneLevelCritical == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: ((((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32)) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32))) && ((!(systemActive == 1bv32) || !(methaneLevelCritical == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 1bv32)) - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: ((((((((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || waterLevel == 1bv32) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32)) && ((((!(systemActive == 1bv32) || ((!(waterLevel == 2bv32) && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(\old(pumpRunning) == 0bv32)) || (1bv32 == pumpRunning && waterLevel == \old(waterLevel))) || !(methaneLevelCritical == 0bv32))) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 1bv32)) || waterLevel == 1bv32) || !(\old(pumpRunning) == 1bv32))) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || (1bv32 == pumpRunning && waterLevel == \old(waterLevel))) || !(methaneLevelCritical == 1bv32)) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel)))) && ((((!(systemActive == 1bv32) || !(methaneLevelCritical == 1bv32)) || !(\old(pumpRunning) == 1bv32)) || (tmp == 0bv32 && \old(pumpRunning) == pumpRunning)) || 0bv32 == pumpRunning)) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 0bv32)) || 0bv32 == pumpRunning)) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(methaneLevelCritical == 1bv32)) || 0bv32 == pumpRunning)) && (((!(systemActive == 1bv32) || !(methaneLevelCritical == 0bv32)) || !(\old(pumpRunning) == 1bv32)) || (tmp == 0bv32 && \old(pumpRunning) == pumpRunning)) - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: (((((1bv32 == pumpRunning && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && splverifierCounter == 0bv32) || (((systemActive == 1bv32 && methaneLevelCritical == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || (((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || (((1bv32 == pumpRunning && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning RESULT: Ultimate proved your program to be correct! [2022-01-10 06:34:12,184 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...