/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_spec5_product51.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 06:35:47,266 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 06:35:47,268 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 06:35:47,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 06:35:47,325 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 06:35:47,329 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 06:35:47,331 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 06:35:47,332 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 06:35:47,333 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 06:35:47,334 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 06:35:47,335 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 06:35:47,339 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 06:35:47,340 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 06:35:47,345 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 06:35:47,346 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 06:35:47,346 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 06:35:47,347 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 06:35:47,348 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 06:35:47,349 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 06:35:47,350 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 06:35:47,351 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 06:35:47,352 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 06:35:47,353 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 06:35:47,354 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 06:35:47,356 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 06:35:47,356 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 06:35:47,356 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 06:35:47,357 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 06:35:47,357 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 06:35:47,358 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 06:35:47,358 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 06:35:47,359 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 06:35:47,359 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 06:35:47,360 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 06:35:47,361 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 06:35:47,361 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 06:35:47,361 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 06:35:47,362 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 06:35:47,362 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 06:35:47,362 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 06:35:47,363 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 06:35:47,370 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 06:35:47,410 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 06:35:47,410 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 06:35:47,410 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 06:35:47,410 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 06:35:47,411 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 06:35:47,411 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 06:35:47,412 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 06:35:47,412 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 06:35:47,412 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 06:35:47,412 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 06:35:47,413 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 06:35:47,413 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 06:35:47,413 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 06:35:47,413 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 06:35:47,413 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 06:35:47,413 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 06:35:47,414 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 06:35:47,414 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 06:35:47,414 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 06:35:47,414 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 06:35:47,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 06:35:47,414 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 06:35:47,414 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 06:35:47,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:35:47,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 06:35:47,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 06:35:47,415 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 06:35:47,415 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 06:35:47,415 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 06:35:47,415 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 06:35:47,415 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 06:35:47,415 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 06:35:47,416 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 06:35:47,416 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 06:35:47,615 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 06:35:47,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 06:35:47,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 06:35:47,640 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 06:35:47,641 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 06:35:47,641 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product51.cil.c [2022-01-10 06:35:47,688 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ced6ae04a/00efa0df28444b46af81e91584732caf/FLAG84da33a1d [2022-01-10 06:35:48,147 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 06:35:48,147 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product51.cil.c [2022-01-10 06:35:48,156 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ced6ae04a/00efa0df28444b46af81e91584732caf/FLAG84da33a1d [2022-01-10 06:35:48,174 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ced6ae04a/00efa0df28444b46af81e91584732caf [2022-01-10 06:35:48,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 06:35:48,179 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 06:35:48,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 06:35:48,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 06:35:48,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 06:35:48,185 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:35:48" (1/1) ... [2022-01-10 06:35:48,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cedb0a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:48, skipping insertion in model container [2022-01-10 06:35:48,185 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:35:48" (1/1) ... [2022-01-10 06:35:48,191 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 06:35:48,243 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:35:48,586 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_spec5_product51.cil.c[18485,18498] [2022-01-10 06:35:48,591 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:35:48,603 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 06:35:48,614 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:35:48,687 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_spec5_product51.cil.c[18485,18498] [2022-01-10 06:35:48,688 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:35:48,695 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 06:35:48,733 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_spec5_product51.cil.c[18485,18498] [2022-01-10 06:35:48,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:35:48,749 INFO L208 MainTranslator]: Completed translation [2022-01-10 06:35:48,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:48 WrapperNode [2022-01-10 06:35:48,750 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 06:35:48,751 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 06:35:48,751 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 06:35:48,751 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 06:35:48,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:48" (1/1) ... [2022-01-10 06:35:48,780 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:48" (1/1) ... [2022-01-10 06:35:48,802 INFO L137 Inliner]: procedures = 60, calls = 159, calls flagged for inlining = 25, calls inlined = 21, statements flattened = 253 [2022-01-10 06:35:48,803 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 06:35:48,803 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 06:35:48,803 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 06:35:48,804 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 06:35:48,820 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:48" (1/1) ... [2022-01-10 06:35:48,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:48" (1/1) ... [2022-01-10 06:35:48,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:48" (1/1) ... [2022-01-10 06:35:48,824 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:48" (1/1) ... [2022-01-10 06:35:48,837 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:48" (1/1) ... [2022-01-10 06:35:48,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:48" (1/1) ... [2022-01-10 06:35:48,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:48" (1/1) ... [2022-01-10 06:35:48,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 06:35:48,845 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 06:35:48,845 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 06:35:48,845 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 06:35:48,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:48" (1/1) ... [2022-01-10 06:35:48,859 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:35:48,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 06:35:48,878 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 06:35:48,891 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 06:35:48,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 06:35:48,922 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-01-10 06:35:48,922 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-01-10 06:35:48,922 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-01-10 06:35:48,922 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-01-10 06:35:48,923 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-01-10 06:35:48,923 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-01-10 06:35:48,923 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-01-10 06:35:48,923 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-01-10 06:35:48,923 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-01-10 06:35:48,924 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-01-10 06:35:48,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 06:35:48,924 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-01-10 06:35:48,924 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-01-10 06:35:48,924 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-01-10 06:35:48,924 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-01-10 06:35:48,924 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-01-10 06:35:48,924 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-01-10 06:35:48,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 06:35:48,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 06:35:49,028 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 06:35:49,029 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 06:35:49,402 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 06:35:49,412 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 06:35:49,413 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-10 06:35:49,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:35:49 BoogieIcfgContainer [2022-01-10 06:35:49,414 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 06:35:49,416 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 06:35:49,416 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 06:35:49,420 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 06:35:49,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:35:48" (1/3) ... [2022-01-10 06:35:49,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fdd4903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:35:49, skipping insertion in model container [2022-01-10 06:35:49,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:48" (2/3) ... [2022-01-10 06:35:49,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fdd4903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:35:49, skipping insertion in model container [2022-01-10 06:35:49,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:35:49" (3/3) ... [2022-01-10 06:35:49,423 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product51.cil.c [2022-01-10 06:35:49,427 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 06:35:49,427 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 06:35:49,479 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 06:35:49,485 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 06:35:49,486 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 06:35:49,507 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 75 states have (on average 1.3733333333333333) internal successors, (103), 84 states have internal predecessors, (103), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2022-01-10 06:35:49,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-01-10 06:35:49,517 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:49,518 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] [2022-01-10 06:35:49,519 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:49,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:49,524 INFO L85 PathProgramCache]: Analyzing trace with hash 764297473, now seen corresponding path program 1 times [2022-01-10 06:35:49,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:49,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [227844648] [2022-01-10 06:35:49,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:49,537 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:49,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:49,543 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 06:35:49,561 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 06:35:49,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:49,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 1 conjunts are in the unsatisfiable core [2022-01-10 06:35:49,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:49,784 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 06:35:49,784 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:49,785 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:49,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [227844648] [2022-01-10 06:35:49,785 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [227844648] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:49,785 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:49,785 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:35:49,787 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024243978] [2022-01-10 06:35:49,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:49,791 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 06:35:49,792 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:49,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 06:35:49,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:35:49,826 INFO L87 Difference]: Start difference. First operand has 99 states, 75 states have (on average 1.3733333333333333) internal successors, (103), 84 states have internal predecessors, (103), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 06:35:49,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:49,871 INFO L93 Difference]: Finished difference Result 189 states and 256 transitions. [2022-01-10 06:35:49,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 06:35:49,873 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-01-10 06:35:49,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:49,880 INFO L225 Difference]: With dead ends: 189 [2022-01-10 06:35:49,881 INFO L226 Difference]: Without dead ends: 90 [2022-01-10 06:35:49,884 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 31 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 06:35:49,886 INFO L933 BasicCegarLoop]: 125 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, 125 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 06:35:49,887 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:49,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-01-10 06:35:49,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2022-01-10 06:35:49,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 68 states have (on average 1.3088235294117647) internal successors, (89), 76 states have internal predecessors, (89), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2022-01-10 06:35:49,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 116 transitions. [2022-01-10 06:35:49,923 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 116 transitions. Word has length 32 [2022-01-10 06:35:49,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:49,924 INFO L470 AbstractCegarLoop]: Abstraction has 90 states and 116 transitions. [2022-01-10 06:35:49,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 06:35:49,924 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 116 transitions. [2022-01-10 06:35:49,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-10 06:35:49,926 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:49,926 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] [2022-01-10 06:35:49,939 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-01-10 06:35:50,136 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 06:35:50,136 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:50,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:50,137 INFO L85 PathProgramCache]: Analyzing trace with hash 240827495, now seen corresponding path program 1 times [2022-01-10 06:35:50,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:50,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [97413598] [2022-01-10 06:35:50,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:50,138 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:50,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:50,139 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 06:35:50,141 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 06:35:50,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:50,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:35:50,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:50,289 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 06:35:50,289 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:50,289 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:50,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [97413598] [2022-01-10 06:35:50,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [97413598] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:50,290 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:50,290 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:35:50,294 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592660097] [2022-01-10 06:35:50,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:50,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:35:50,297 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:50,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:35:50,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:35:50,304 INFO L87 Difference]: Start difference. First operand 90 states and 116 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 06:35:50,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:50,327 INFO L93 Difference]: Finished difference Result 141 states and 181 transitions. [2022-01-10 06:35:50,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:35:50,328 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-01-10 06:35:50,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:50,330 INFO L225 Difference]: With dead ends: 141 [2022-01-10 06:35:50,330 INFO L226 Difference]: Without dead ends: 81 [2022-01-10 06:35:50,331 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 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 06:35:50,332 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 16 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 185 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 06:35:50,332 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 185 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:50,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2022-01-10 06:35:50,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2022-01-10 06:35:50,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 62 states have (on average 1.3225806451612903) internal successors, (82), 70 states have internal predecessors, (82), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2022-01-10 06:35:50,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 104 transitions. [2022-01-10 06:35:50,341 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 104 transitions. Word has length 33 [2022-01-10 06:35:50,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:50,341 INFO L470 AbstractCegarLoop]: Abstraction has 81 states and 104 transitions. [2022-01-10 06:35:50,342 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 06:35:50,342 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 104 transitions. [2022-01-10 06:35:50,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-10 06:35:50,344 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:50,344 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] [2022-01-10 06:35:50,353 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 06:35:50,553 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 06:35:50,553 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:50,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:50,553 INFO L85 PathProgramCache]: Analyzing trace with hash -297054839, now seen corresponding path program 1 times [2022-01-10 06:35:50,554 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:50,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [731035045] [2022-01-10 06:35:50,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:50,554 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:50,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:50,555 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 06:35:50,557 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 06:35:50,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:50,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:35:50,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:50,712 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 06:35:50,713 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:50,713 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:50,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [731035045] [2022-01-10 06:35:50,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [731035045] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:50,715 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:50,715 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:35:50,715 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213440873] [2022-01-10 06:35:50,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:50,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:35:50,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:50,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:35:50,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:35:50,719 INFO L87 Difference]: Start difference. First operand 81 states and 104 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-10 06:35:50,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:50,750 INFO L93 Difference]: Finished difference Result 226 states and 296 transitions. [2022-01-10 06:35:50,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:35:50,752 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2022-01-10 06:35:50,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:50,756 INFO L225 Difference]: With dead ends: 226 [2022-01-10 06:35:50,756 INFO L226 Difference]: Without dead ends: 153 [2022-01-10 06:35:50,759 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 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 06:35:50,761 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 76 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:50,762 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [76 Valid, 220 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:50,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2022-01-10 06:35:50,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 150. [2022-01-10 06:35:50,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 113 states have (on average 1.345132743362832) internal successors, (152), 128 states have internal predecessors, (152), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (22), 15 states have call predecessors, (22), 22 states have call successors, (22) [2022-01-10 06:35:50,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 196 transitions. [2022-01-10 06:35:50,782 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 196 transitions. Word has length 37 [2022-01-10 06:35:50,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:50,783 INFO L470 AbstractCegarLoop]: Abstraction has 150 states and 196 transitions. [2022-01-10 06:35:50,786 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-10 06:35:50,786 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 196 transitions. [2022-01-10 06:35:50,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-01-10 06:35:50,794 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:50,794 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] [2022-01-10 06:35:50,802 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-01-10 06:35:50,994 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 06:35:50,995 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:50,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:50,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1125311, now seen corresponding path program 1 times [2022-01-10 06:35:50,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:50,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [626080386] [2022-01-10 06:35:50,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:50,996 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:50,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:50,998 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 06:35:50,999 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 06:35:51,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:51,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-10 06:35:51,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:51,176 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 06:35:51,176 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:51,176 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:51,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [626080386] [2022-01-10 06:35:51,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [626080386] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:51,177 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:51,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-10 06:35:51,177 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73763939] [2022-01-10 06:35:51,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:51,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:35:51,178 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:51,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:35:51,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:35:51,179 INFO L87 Difference]: Start difference. First operand 150 states and 196 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 06:35:51,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:51,294 INFO L93 Difference]: Finished difference Result 394 states and 527 transitions. [2022-01-10 06:35:51,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 06:35:51,295 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2022-01-10 06:35:51,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:51,297 INFO L225 Difference]: With dead ends: 394 [2022-01-10 06:35:51,297 INFO L226 Difference]: Without dead ends: 252 [2022-01-10 06:35:51,298 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 36 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 06:35:51,299 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 61 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:51,299 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 504 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:35:51,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2022-01-10 06:35:51,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 239. [2022-01-10 06:35:51,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 180 states have (on average 1.3) internal successors, (234), 195 states have internal predecessors, (234), 32 states have call successors, (32), 26 states have call predecessors, (32), 26 states have return successors, (40), 29 states have call predecessors, (40), 32 states have call successors, (40) [2022-01-10 06:35:51,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 306 transitions. [2022-01-10 06:35:51,331 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 306 transitions. Word has length 41 [2022-01-10 06:35:51,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:51,332 INFO L470 AbstractCegarLoop]: Abstraction has 239 states and 306 transitions. [2022-01-10 06:35:51,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 06:35:51,332 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 306 transitions. [2022-01-10 06:35:51,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-01-10 06:35:51,333 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:51,333 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] [2022-01-10 06:35:51,343 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 06:35:51,533 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 06:35:51,534 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:51,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:51,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1784621037, now seen corresponding path program 1 times [2022-01-10 06:35:51,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:51,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1086538326] [2022-01-10 06:35:51,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:51,536 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:51,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:51,538 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 06:35:51,540 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 06:35:51,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:51,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-10 06:35:51,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:51,716 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 06:35:51,716 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:51,717 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:51,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1086538326] [2022-01-10 06:35:51,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1086538326] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:51,717 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:51,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:35:51,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996322703] [2022-01-10 06:35:51,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:51,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:35:51,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:51,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:35:51,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:35:51,718 INFO L87 Difference]: Start difference. First operand 239 states and 306 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-10 06:35:51,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:51,777 INFO L93 Difference]: Finished difference Result 482 states and 630 transitions. [2022-01-10 06:35:51,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 06:35:51,778 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51 [2022-01-10 06:35:51,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:51,784 INFO L225 Difference]: With dead ends: 482 [2022-01-10 06:35:51,784 INFO L226 Difference]: Without dead ends: 251 [2022-01-10 06:35:51,785 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 06:35:51,785 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 9 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:51,786 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 417 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:51,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2022-01-10 06:35:51,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 245. [2022-01-10 06:35:51,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 186 states have (on average 1.2903225806451613) internal successors, (240), 201 states have internal predecessors, (240), 32 states have call successors, (32), 26 states have call predecessors, (32), 26 states have return successors, (40), 29 states have call predecessors, (40), 32 states have call successors, (40) [2022-01-10 06:35:51,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 312 transitions. [2022-01-10 06:35:51,818 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 312 transitions. Word has length 51 [2022-01-10 06:35:51,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:51,818 INFO L470 AbstractCegarLoop]: Abstraction has 245 states and 312 transitions. [2022-01-10 06:35:51,818 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-10 06:35:51,819 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 312 transitions. [2022-01-10 06:35:51,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-01-10 06:35:51,828 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:51,829 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] [2022-01-10 06:35:51,843 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 06:35:52,040 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 06:35:52,040 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:52,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:52,041 INFO L85 PathProgramCache]: Analyzing trace with hash 95677295, now seen corresponding path program 1 times [2022-01-10 06:35:52,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:52,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1021246054] [2022-01-10 06:35:52,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:52,042 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:52,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:52,043 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 06:35:52,044 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 06:35:52,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:52,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:35:52,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:52,209 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 06:35:52,209 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:52,209 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:52,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1021246054] [2022-01-10 06:35:52,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1021246054] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:52,210 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:52,210 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 06:35:52,210 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463082839] [2022-01-10 06:35:52,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:52,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 06:35:52,210 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:52,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 06:35:52,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 06:35:52,211 INFO L87 Difference]: Start difference. First operand 245 states and 312 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-10 06:35:52,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:52,239 INFO L93 Difference]: Finished difference Result 498 states and 654 transitions. [2022-01-10 06:35:52,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 06:35:52,240 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51 [2022-01-10 06:35:52,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:52,242 INFO L225 Difference]: With dead ends: 498 [2022-01-10 06:35:52,242 INFO L226 Difference]: Without dead ends: 261 [2022-01-10 06:35:52,243 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 06:35:52,244 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 11 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:52,244 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 310 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:52,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2022-01-10 06:35:52,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 249. [2022-01-10 06:35:52,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 190 states have (on average 1.2842105263157895) internal successors, (244), 205 states have internal predecessors, (244), 32 states have call successors, (32), 26 states have call predecessors, (32), 26 states have return successors, (40), 29 states have call predecessors, (40), 32 states have call successors, (40) [2022-01-10 06:35:52,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 316 transitions. [2022-01-10 06:35:52,259 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 316 transitions. Word has length 51 [2022-01-10 06:35:52,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:52,260 INFO L470 AbstractCegarLoop]: Abstraction has 249 states and 316 transitions. [2022-01-10 06:35:52,260 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-10 06:35:52,260 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 316 transitions. [2022-01-10 06:35:52,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-01-10 06:35:52,261 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:52,261 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] [2022-01-10 06:35:52,273 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 06:35:52,470 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 06:35:52,470 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:52,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:52,471 INFO L85 PathProgramCache]: Analyzing trace with hash 518379121, now seen corresponding path program 1 times [2022-01-10 06:35:52,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:52,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [211869215] [2022-01-10 06:35:52,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:52,471 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:52,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:52,472 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 06:35:52,474 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 06:35:52,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:52,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:35:52,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:52,630 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 06:35:52,630 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:52,631 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:52,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [211869215] [2022-01-10 06:35:52,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [211869215] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:52,631 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:52,631 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:35:52,631 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311004147] [2022-01-10 06:35:52,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:52,632 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:35:52,633 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:52,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:35:52,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:35:52,636 INFO L87 Difference]: Start difference. First operand 249 states and 316 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-10 06:35:52,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:52,664 INFO L93 Difference]: Finished difference Result 593 states and 758 transitions. [2022-01-10 06:35:52,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:35:52,664 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51 [2022-01-10 06:35:52,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:52,666 INFO L225 Difference]: With dead ends: 593 [2022-01-10 06:35:52,666 INFO L226 Difference]: Without dead ends: 352 [2022-01-10 06:35:52,667 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 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 06:35:52,668 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 38 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:52,669 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 199 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:52,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2022-01-10 06:35:52,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 352. [2022-01-10 06:35:52,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 269 states have (on average 1.2490706319702602) internal successors, (336), 286 states have internal predecessors, (336), 46 states have call successors, (46), 38 states have call predecessors, (46), 36 states have return successors, (54), 41 states have call predecessors, (54), 46 states have call successors, (54) [2022-01-10 06:35:52,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 436 transitions. [2022-01-10 06:35:52,689 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 436 transitions. Word has length 51 [2022-01-10 06:35:52,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:52,691 INFO L470 AbstractCegarLoop]: Abstraction has 352 states and 436 transitions. [2022-01-10 06:35:52,691 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-10 06:35:52,691 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 436 transitions. [2022-01-10 06:35:52,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-01-10 06:35:52,693 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:52,693 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] [2022-01-10 06:35:52,709 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 06:35:52,909 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 06:35:52,910 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:52,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:52,911 INFO L85 PathProgramCache]: Analyzing trace with hash -1241994025, now seen corresponding path program 1 times [2022-01-10 06:35:52,911 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:52,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [293785985] [2022-01-10 06:35:52,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:52,911 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:52,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:52,917 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 06:35:52,919 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 06:35:52,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:52,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 10 conjunts are in the unsatisfiable core [2022-01-10 06:35:52,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:53,164 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 06:35:53,164 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:53,164 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:53,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [293785985] [2022-01-10 06:35:53,164 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [293785985] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:53,165 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:53,165 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-10 06:35:53,165 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937583338] [2022-01-10 06:35:53,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:53,165 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-10 06:35:53,166 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:53,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-10 06:35:53,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-01-10 06:35:53,168 INFO L87 Difference]: Start difference. First operand 352 states and 436 transitions. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 6 states have internal predecessors, (46), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-01-10 06:35:53,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:53,695 INFO L93 Difference]: Finished difference Result 1157 states and 1498 transitions. [2022-01-10 06:35:53,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-10 06:35:53,696 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 6 states have internal predecessors, (46), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 55 [2022-01-10 06:35:53,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:53,701 INFO L225 Difference]: With dead ends: 1157 [2022-01-10 06:35:53,702 INFO L226 Difference]: Without dead ends: 916 [2022-01-10 06:35:53,703 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 47 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2022-01-10 06:35:53,704 INFO L933 BasicCegarLoop]: 163 mSDtfsCounter, 259 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 685 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:53,704 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [274 Valid, 685 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 06:35:53,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 916 states. [2022-01-10 06:35:53,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 916 to 847. [2022-01-10 06:35:53,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 847 states, 644 states have (on average 1.2391304347826086) internal successors, (798), 690 states have internal predecessors, (798), 111 states have call successors, (111), 83 states have call predecessors, (111), 91 states have return successors, (143), 101 states have call predecessors, (143), 111 states have call successors, (143) [2022-01-10 06:35:53,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 847 states and 1052 transitions. [2022-01-10 06:35:53,767 INFO L78 Accepts]: Start accepts. Automaton has 847 states and 1052 transitions. Word has length 55 [2022-01-10 06:35:53,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:53,768 INFO L470 AbstractCegarLoop]: Abstraction has 847 states and 1052 transitions. [2022-01-10 06:35:53,768 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 6 states have internal predecessors, (46), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-01-10 06:35:53,768 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1052 transitions. [2022-01-10 06:35:53,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-01-10 06:35:53,770 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:53,770 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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 06:35:53,787 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 06:35:53,979 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 06:35:53,980 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:53,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:53,981 INFO L85 PathProgramCache]: Analyzing trace with hash 741902558, now seen corresponding path program 1 times [2022-01-10 06:35:53,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:53,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [274728407] [2022-01-10 06:35:53,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:53,981 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:53,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:53,982 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 06:35:53,983 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 06:35:54,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:54,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:35:54,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:54,217 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-01-10 06:35:54,218 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:54,218 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:54,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [274728407] [2022-01-10 06:35:54,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [274728407] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:54,218 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:54,218 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:35:54,218 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015656866] [2022-01-10 06:35:54,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:54,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:35:54,219 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:54,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:35:54,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:35:54,220 INFO L87 Difference]: Start difference. First operand 847 states and 1052 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-01-10 06:35:54,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:54,255 INFO L93 Difference]: Finished difference Result 1011 states and 1253 transitions. [2022-01-10 06:35:54,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:35:54,256 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 85 [2022-01-10 06:35:54,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:54,258 INFO L225 Difference]: With dead ends: 1011 [2022-01-10 06:35:54,258 INFO L226 Difference]: Without dead ends: 416 [2022-01-10 06:35:54,259 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 83 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 06:35:54,260 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 36 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:54,260 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 239 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:54,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2022-01-10 06:35:54,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 416. [2022-01-10 06:35:54,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 317 states have (on average 1.2018927444794953) internal successors, (381), 338 states have internal predecessors, (381), 53 states have call successors, (53), 41 states have call predecessors, (53), 45 states have return successors, (69), 49 states have call predecessors, (69), 53 states have call successors, (69) [2022-01-10 06:35:54,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 503 transitions. [2022-01-10 06:35:54,281 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 503 transitions. Word has length 85 [2022-01-10 06:35:54,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:54,282 INFO L470 AbstractCegarLoop]: Abstraction has 416 states and 503 transitions. [2022-01-10 06:35:54,282 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-01-10 06:35:54,282 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 503 transitions. [2022-01-10 06:35:54,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-01-10 06:35:54,283 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:54,283 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:35:54,299 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 06:35:54,492 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 06:35:54,493 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:54,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:54,493 INFO L85 PathProgramCache]: Analyzing trace with hash 311034572, now seen corresponding path program 1 times [2022-01-10 06:35:54,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:54,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1110692113] [2022-01-10 06:35:54,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:54,494 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:54,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:54,495 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 06:35:54,496 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 06:35:54,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:54,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 13 conjunts are in the unsatisfiable core [2022-01-10 06:35:54,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:54,806 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 17 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-10 06:35:54,807 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 06:35:55,206 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-01-10 06:35:55,206 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:55,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1110692113] [2022-01-10 06:35:55,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1110692113] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 06:35:55,207 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-01-10 06:35:55,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 13 [2022-01-10 06:35:55,207 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859479008] [2022-01-10 06:35:55,207 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-01-10 06:35:55,208 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-01-10 06:35:55,208 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:55,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-01-10 06:35:55,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-01-10 06:35:55,209 INFO L87 Difference]: Start difference. First operand 416 states and 503 transitions. Second operand has 13 states, 13 states have (on average 9.153846153846153) internal successors, (119), 12 states have internal predecessors, (119), 8 states have call successors, (18), 7 states have call predecessors, (18), 7 states have return successors, (16), 6 states have call predecessors, (16), 8 states have call successors, (16) [2022-01-10 06:35:56,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:56,507 INFO L93 Difference]: Finished difference Result 1353 states and 1737 transitions. [2022-01-10 06:35:56,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-01-10 06:35:56,507 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 9.153846153846153) internal successors, (119), 12 states have internal predecessors, (119), 8 states have call successors, (18), 7 states have call predecessors, (18), 7 states have return successors, (16), 6 states have call predecessors, (16), 8 states have call successors, (16) Word has length 96 [2022-01-10 06:35:56,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:56,511 INFO L225 Difference]: With dead ends: 1353 [2022-01-10 06:35:56,511 INFO L226 Difference]: Without dead ends: 993 [2022-01-10 06:35:56,512 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 181 SyntacticMatches, 3 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=227, Invalid=765, Unknown=0, NotChecked=0, Total=992 [2022-01-10 06:35:56,513 INFO L933 BasicCegarLoop]: 251 mSDtfsCounter, 759 mSDsluCounter, 969 mSDsCounter, 0 mSdLazyCounter, 1183 mSolverCounterSat, 347 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 778 SdHoareTripleChecker+Valid, 1220 SdHoareTripleChecker+Invalid, 1530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 347 IncrementalHoareTripleChecker+Valid, 1183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:56,513 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [778 Valid, 1220 Invalid, 1530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [347 Valid, 1183 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-10 06:35:56,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 993 states. [2022-01-10 06:35:56,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 993 to 884. [2022-01-10 06:35:56,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 884 states, 675 states have (on average 1.2162962962962962) internal successors, (821), 715 states have internal predecessors, (821), 113 states have call successors, (113), 76 states have call predecessors, (113), 95 states have return successors, (215), 115 states have call predecessors, (215), 113 states have call successors, (215) [2022-01-10 06:35:56,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 884 states and 1149 transitions. [2022-01-10 06:35:56,562 INFO L78 Accepts]: Start accepts. Automaton has 884 states and 1149 transitions. Word has length 96 [2022-01-10 06:35:56,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:56,563 INFO L470 AbstractCegarLoop]: Abstraction has 884 states and 1149 transitions. [2022-01-10 06:35:56,563 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.153846153846153) internal successors, (119), 12 states have internal predecessors, (119), 8 states have call successors, (18), 7 states have call predecessors, (18), 7 states have return successors, (16), 6 states have call predecessors, (16), 8 states have call successors, (16) [2022-01-10 06:35:56,563 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1149 transitions. [2022-01-10 06:35:56,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-01-10 06:35:56,564 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:56,564 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:35:56,574 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 06:35:56,774 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 06:35:56,774 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:56,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:56,775 INFO L85 PathProgramCache]: Analyzing trace with hash 177021066, now seen corresponding path program 1 times [2022-01-10 06:35:56,775 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:56,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1837603621] [2022-01-10 06:35:56,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:56,776 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:56,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:56,777 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 06:35:56,779 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 06:35:56,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:56,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-10 06:35:56,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:56,996 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-01-10 06:35:56,996 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:56,996 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:56,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1837603621] [2022-01-10 06:35:56,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1837603621] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:56,997 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:56,997 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:35:56,997 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509222531] [2022-01-10 06:35:56,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:56,997 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:35:56,997 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:56,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:35:56,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:35:56,998 INFO L87 Difference]: Start difference. First operand 884 states and 1149 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), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-01-10 06:35:57,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:57,036 INFO L93 Difference]: Finished difference Result 1058 states and 1351 transitions. [2022-01-10 06:35:57,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 06:35:57,037 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), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 96 [2022-01-10 06:35:57,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:57,038 INFO L225 Difference]: With dead ends: 1058 [2022-01-10 06:35:57,038 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 06:35:57,042 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 93 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 06:35:57,043 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 33 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:57,043 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 333 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:57,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 06:35:57,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 06:35:57,044 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 06:35:57,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 06:35:57,044 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 96 [2022-01-10 06:35:57,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:57,044 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 06:35:57,044 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), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-01-10 06:35:57,045 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 06:35:57,045 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 06:35:57,048 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 06:35:57,060 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 06:35:57,260 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 06:35:57,262 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 06:35:59,409 INFO L861 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 160 167) the Hoare annotation is: true [2022-01-10 06:35:59,410 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 160 167) no Hoare annotation was computed. [2022-01-10 06:35:59,410 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 160 167) no Hoare annotation was computed. [2022-01-10 06:35:59,410 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 93 99) no Hoare annotation was computed. [2022-01-10 06:35:59,410 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 93 99) the Hoare annotation is: true [2022-01-10 06:35:59,410 INFO L858 garLoopResultBuilder]: For program point L881-1(lines 877 888) no Hoare annotation was computed. [2022-01-10 06:35:59,410 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 877 888) the Hoare annotation is: true [2022-01-10 06:35:59,410 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 877 888) no Hoare annotation was computed. [2022-01-10 06:35:59,410 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 279 308) no Hoare annotation was computed. [2022-01-10 06:35:59,410 INFO L861 garLoopResultBuilder]: At program point L289-2(lines 289 303) the Hoare annotation is: true [2022-01-10 06:35:59,410 INFO L861 garLoopResultBuilder]: At program point L285(line 285) the Hoare annotation is: true [2022-01-10 06:35:59,410 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 279 308) the Hoare annotation is: true [2022-01-10 06:35:59,410 INFO L858 garLoopResultBuilder]: For program point L285-1(line 285) no Hoare annotation was computed. [2022-01-10 06:35:59,411 INFO L861 garLoopResultBuilder]: At program point L304(lines 279 308) the Hoare annotation is: true [2022-01-10 06:35:59,411 INFO L858 garLoopResultBuilder]: For program point L300(line 300) no Hoare annotation was computed. [2022-01-10 06:35:59,411 INFO L858 garLoopResultBuilder]: For program point L293(lines 293 297) no Hoare annotation was computed. [2022-01-10 06:35:59,411 INFO L861 garLoopResultBuilder]: At program point L293-1(lines 293 297) the Hoare annotation is: true [2022-01-10 06:35:59,411 INFO L858 garLoopResultBuilder]: For program point L290(line 290) no Hoare annotation was computed. [2022-01-10 06:35:59,411 INFO L858 garLoopResultBuilder]: For program point L857(lines 857 861) no Hoare annotation was computed. [2022-01-10 06:35:59,411 INFO L854 garLoopResultBuilder]: At program point L857-2(lines 853 864) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 (not (= ~systemActive~0 (_ bv0 32)))) (or .cse1 .cse0 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse2 .cse1 .cse0) (or .cse2 .cse1 (= ~waterLevel~0 (_ bv1 32))))) [2022-01-10 06:35:59,411 INFO L854 garLoopResultBuilder]: At program point L977(line 977) the Hoare annotation is: (let ((.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (and .cse4 .cse5)) (.cse3 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 .cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse2) (or .cse3 .cse0 .cse1 .cse4) (or .cse1 (not (= ~systemActive~0 (_ bv0 32))) .cse2) (or .cse3 .cse0 .cse5)))) [2022-01-10 06:35:59,411 INFO L858 garLoopResultBuilder]: For program point L977-1(line 977) no Hoare annotation was computed. [2022-01-10 06:35:59,411 INFO L858 garLoopResultBuilder]: For program point L73(lines 73 79) no Hoare annotation was computed. [2022-01-10 06:35:59,412 INFO L858 garLoopResultBuilder]: For program point L73-2(lines 69 91) no Hoare annotation was computed. [2022-01-10 06:35:59,412 INFO L858 garLoopResultBuilder]: For program point L135(lines 135 143) no Hoare annotation was computed. [2022-01-10 06:35:59,412 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 66 92) no Hoare annotation was computed. [2022-01-10 06:35:59,412 INFO L858 garLoopResultBuilder]: For program point L131(lines 131 148) no Hoare annotation was computed. [2022-01-10 06:35:59,412 INFO L858 garLoopResultBuilder]: For program point L994(lines 994 1004) no Hoare annotation was computed. [2022-01-10 06:35:59,412 INFO L858 garLoopResultBuilder]: For program point L990(lines 990 1007) no Hoare annotation was computed. [2022-01-10 06:35:59,412 INFO L854 garLoopResultBuilder]: At program point L990-1(lines 982 1010) the Hoare annotation is: (let ((.cse6 (= |timeShift_getWaterLevel_#res#1| (_ bv2 32))) (.cse7 (= (_ bv2 32) |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1|)) (.cse9 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (= ~systemActive~0 (_ bv1 32)))) (let ((.cse8 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not .cse3)) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (and .cse6 .cse3 .cse7 .cse9))) (and (or .cse0 .cse1 .cse2 (and .cse3 (= ~waterLevel~0 (_ bv1 32)) .cse4)) (or .cse0 .cse5 (and .cse6 .cse7) .cse8) (or .cse1 .cse5 (and .cse3 .cse4 .cse9) (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse5 .cse8 (and .cse4 .cse9)) (or .cse0 .cse1 .cse5 .cse2)))) [2022-01-10 06:35:59,412 INFO L854 garLoopResultBuilder]: At program point L949(lines 944 952) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 (not (= ~systemActive~0 (_ bv0 32)))) (or .cse1 .cse0 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse2 .cse1 .cse0) (or .cse2 (and (= |timeShift_isLowWaterSensorDry_#res#1| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32))) .cse1))) [2022-01-10 06:35:59,412 INFO L858 garLoopResultBuilder]: For program point L995(lines 995 1001) no Hoare annotation was computed. [2022-01-10 06:35:59,412 INFO L858 garLoopResultBuilder]: For program point L958(line 958) no Hoare annotation was computed. [2022-01-10 06:35:59,412 INFO L858 garLoopResultBuilder]: For program point L252(lines 252 256) no Hoare annotation was computed. [2022-01-10 06:35:59,413 INFO L858 garLoopResultBuilder]: For program point L252-2(lines 252 256) no Hoare annotation was computed. [2022-01-10 06:35:59,413 INFO L854 garLoopResultBuilder]: At program point L979(lines 972 981) the Hoare annotation is: (let ((.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (and .cse4 .cse5)) (.cse3 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 .cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse2) (or .cse3 .cse0 .cse1 .cse4) (or .cse1 (not (= ~systemActive~0 (_ bv0 32))) .cse2) (or .cse3 .cse0 .cse5)))) [2022-01-10 06:35:59,413 INFO L854 garLoopResultBuilder]: At program point L141(line 141) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse1 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 (not (= ~systemActive~0 (_ bv0 32)))) (or .cse1 .cse0 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or (not (= (_ bv2 32) |old(~waterLevel~0)|)) .cse1))) [2022-01-10 06:35:59,413 INFO L854 garLoopResultBuilder]: At program point L137(line 137) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 (not (= ~systemActive~0 (_ bv0 32)))) (or .cse1 .cse0 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse2 .cse1 .cse0) (or .cse2 .cse1 (and (= |timeShift_processEnvironment_~tmp~1#1| (_ bv1 32)) (= (_ bv1 32) |timeShift_isLowWaterLevel_~tmp___0~1#1|) (= |timeShift_isLowWaterSensorDry_#res#1| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (= |timeShift_isLowWaterLevel_~tmp~3#1| (_ bv0 32)) (= |timeShift_isLowWaterLevel_#res#1| (_ bv1 32)))))) [2022-01-10 06:35:59,413 INFO L854 garLoopResultBuilder]: At program point L992(line 992) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0))) (let ((.cse2 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (and .cse1 (= ~waterLevel~0 |old(~waterLevel~0)|))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse5 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 (and (= ~waterLevel~0 (_ bv1 32)) .cse1) .cse2) (or .cse2 .cse3 (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse4) (or .cse0 .cse2 .cse3) (or .cse3 .cse5 .cse4) (or .cse0 .cse3 .cse5)))) [2022-01-10 06:35:59,413 INFO L858 garLoopResultBuilder]: For program point L992-1(line 992) no Hoare annotation was computed. [2022-01-10 06:35:59,413 INFO L854 garLoopResultBuilder]: At program point L959(lines 954 961) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse1 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 (not (= ~systemActive~0 (_ bv0 32)))) (or .cse1 .cse0 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or (not (= (_ bv2 32) |old(~waterLevel~0)|)) .cse1))) [2022-01-10 06:35:59,413 INFO L854 garLoopResultBuilder]: At program point L926(lines 921 929) the Hoare annotation is: (let ((.cse5 (= |timeShift_getWaterLevel_#res#1| (_ bv2 32))) (.cse7 (= (_ bv0 32) ~pumpRunning~0)) (.cse8 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse2 (and .cse7 .cse8)) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse6 (and .cse5 .cse8))) (and (or .cse0 .cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse2) (or .cse1 .cse3 .cse2) (or .cse4 .cse5 .cse1 .cse3) (or .cse4 .cse0 .cse6 .cse1) (or .cse4 (and (= ~waterLevel~0 (_ bv1 32)) .cse7) .cse0 .cse6)))) [2022-01-10 06:35:59,413 INFO L854 garLoopResultBuilder]: At program point L146(line 146) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse6 (= ~systemActive~0 (_ bv1 32)))) (let ((.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not .cse6)) (.cse5 (and .cse6 .cse2 .cse3))) (and (or .cse0 .cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|)) (and .cse2 .cse3)) (or .cse1 (not (= ~systemActive~0 (_ bv0 32)))) (or .cse4 .cse0 .cse1 .cse5) (or .cse4 (and (= ~waterLevel~0 (_ bv1 32)) .cse2) .cse0 .cse5)))) [2022-01-10 06:35:59,414 INFO L854 garLoopResultBuilder]: At program point L146-1(lines 127 151) the Hoare annotation is: (let ((.cse6 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse5 (and .cse6 .cse3)) (.cse0 (not .cse6)) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|)) (and .cse2 .cse3)) (or .cse1 (not (= ~systemActive~0 (_ bv0 32)))) (or .cse4 .cse5 (and (= ~waterLevel~0 (_ bv1 32)) .cse2) .cse0) (or .cse4 .cse5 .cse0 .cse1)))) [2022-01-10 06:35:59,414 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 66 92) the Hoare annotation is: (let ((.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (and .cse4 .cse5)) (.cse3 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 .cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse2) (or .cse3 .cse0 .cse1 .cse4) (or .cse1 (not (= ~systemActive~0 (_ bv0 32))) .cse2) (or .cse3 .cse0 .cse5)))) [2022-01-10 06:35:59,414 INFO L858 garLoopResultBuilder]: For program point L80-1(lines 80 86) no Hoare annotation was computed. [2022-01-10 06:35:59,414 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 66 92) no Hoare annotation was computed. [2022-01-10 06:35:59,414 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 958) no Hoare annotation was computed. [2022-01-10 06:35:59,414 INFO L854 garLoopResultBuilder]: At program point L258(lines 243 261) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 (not (= ~systemActive~0 (_ bv0 32)))) (or .cse1 .cse0 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse2 .cse1 .cse0) (or .cse2 .cse1 (and (= (_ bv1 32) |timeShift_isLowWaterLevel_~tmp___0~1#1|) (= |timeShift_isLowWaterSensorDry_#res#1| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (= |timeShift_isLowWaterLevel_~tmp~3#1| (_ bv0 32)) (= |timeShift_isLowWaterLevel_#res#1| (_ bv1 32)))))) [2022-01-10 06:35:59,414 INFO L854 garLoopResultBuilder]: At program point L440(lines 391 441) the Hoare annotation is: false [2022-01-10 06:35:59,414 INFO L858 garLoopResultBuilder]: For program point L428(lines 428 434) no Hoare annotation was computed. [2022-01-10 06:35:59,414 INFO L854 garLoopResultBuilder]: At program point L428-2(lines 422 435) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and (= ~waterLevel~0 (_ bv2 32)) .cse0 .cse1) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2) (and (= ~systemActive~0 (_ bv0 32)) .cse1 .cse2))) [2022-01-10 06:35:59,414 INFO L854 garLoopResultBuilder]: At program point L969(lines 964 971) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:59,414 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 06:35:59,415 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 06:35:59,415 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 06:35:59,415 INFO L858 garLoopResultBuilder]: For program point L412(lines 412 418) no Hoare annotation was computed. [2022-01-10 06:35:59,415 INFO L858 garLoopResultBuilder]: For program point L412-1(lines 412 418) no Hoare annotation was computed. [2022-01-10 06:35:59,415 INFO L854 garLoopResultBuilder]: At program point L437(lines 392 439) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and (= ~waterLevel~0 (_ bv2 32)) .cse0 .cse1) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2) (and (= ~systemActive~0 (_ bv0 32)) .cse1 .cse2))) [2022-01-10 06:35:59,415 INFO L854 garLoopResultBuilder]: At program point L404(line 404) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and (= ~waterLevel~0 (_ bv2 32)) .cse0 .cse1) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2) (and (= ~systemActive~0 (_ bv0 32)) .cse1 .cse2))) [2022-01-10 06:35:59,415 INFO L854 garLoopResultBuilder]: At program point L268(line 268) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and (= ~waterLevel~0 (_ bv2 32)) .cse0) (and (= ~systemActive~0 (_ bv1 32)) .cse0))) [2022-01-10 06:35:59,415 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 06:35:59,415 INFO L854 garLoopResultBuilder]: At program point L479(lines 474 482) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:59,415 INFO L854 garLoopResultBuilder]: At program point L471(lines 467 473) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:59,415 INFO L854 garLoopResultBuilder]: At program point L339(lines 335 341) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:59,415 INFO L858 garLoopResultBuilder]: For program point L368(lines 368 375) no Hoare annotation was computed. [2022-01-10 06:35:59,416 INFO L858 garLoopResultBuilder]: For program point L368-2(lines 368 375) no Hoare annotation was computed. [2022-01-10 06:35:59,416 INFO L858 garLoopResultBuilder]: For program point L393(lines 392 439) no Hoare annotation was computed. [2022-01-10 06:35:59,416 INFO L858 garLoopResultBuilder]: For program point L422(lines 422 435) no Hoare annotation was computed. [2022-01-10 06:35:59,416 INFO L861 garLoopResultBuilder]: At program point L352(lines 344 354) the Hoare annotation is: true [2022-01-10 06:35:59,416 INFO L854 garLoopResultBuilder]: At program point L414(line 414) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and (= ~waterLevel~0 (_ bv2 32)) .cse0 .cse1) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2) (and (= ~systemActive~0 (_ bv0 32)) .cse1 .cse2))) [2022-01-10 06:35:59,416 INFO L861 garLoopResultBuilder]: At program point L443(lines 382 447) the Hoare annotation is: true [2022-01-10 06:35:59,416 INFO L861 garLoopResultBuilder]: At program point L377(lines 358 380) the Hoare annotation is: true [2022-01-10 06:35:59,416 INFO L858 garLoopResultBuilder]: For program point L402(lines 402 408) no Hoare annotation was computed. [2022-01-10 06:35:59,416 INFO L854 garLoopResultBuilder]: At program point L274(lines 262 276) the Hoare annotation is: (and (= ~systemActive~0 (_ bv0 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:59,416 INFO L858 garLoopResultBuilder]: For program point L402-1(lines 402 408) no Hoare annotation was computed. [2022-01-10 06:35:59,416 INFO L854 garLoopResultBuilder]: At program point L464(lines 460 466) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:59,416 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 398) no Hoare annotation was computed. [2022-01-10 06:35:59,417 INFO L858 garLoopResultBuilder]: For program point L266(lines 266 272) no Hoare annotation was computed. [2022-01-10 06:35:59,417 INFO L858 garLoopResultBuilder]: For program point L266-1(lines 266 272) no Hoare annotation was computed. [2022-01-10 06:35:59,417 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 101 125) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 .cse2) (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32))) .cse2))) [2022-01-10 06:35:59,417 INFO L854 garLoopResultBuilder]: At program point L157(lines 152 159) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32))) (not (= ~waterLevel~0 (_ bv1 32)))) [2022-01-10 06:35:59,417 INFO L854 garLoopResultBuilder]: At program point L120(line 120) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (not (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv1 32)))) (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32)))))) [2022-01-10 06:35:59,417 INFO L858 garLoopResultBuilder]: For program point L120-1(lines 101 125) no Hoare annotation was computed. [2022-01-10 06:35:59,417 INFO L858 garLoopResultBuilder]: For program point L934(lines 934 940) no Hoare annotation was computed. [2022-01-10 06:35:59,417 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 101 125) no Hoare annotation was computed. [2022-01-10 06:35:59,417 INFO L854 garLoopResultBuilder]: At program point L115(line 115) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv1 32)))) (let ((.cse0 (not .cse3)) (.cse1 (and .cse3 (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv2 32))) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 (_ bv1 32))))))) [2022-01-10 06:35:59,417 INFO L854 garLoopResultBuilder]: At program point L239(lines 224 242) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 .cse2) (or .cse0 (and (= (_ bv0 32) |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| (_ bv0 32)) .cse2) .cse1 (not (= ~waterLevel~0 (_ bv1 32)))))) [2022-01-10 06:35:59,417 INFO L858 garLoopResultBuilder]: For program point L109(lines 109 117) no Hoare annotation was computed. [2022-01-10 06:35:59,417 INFO L854 garLoopResultBuilder]: At program point L939(lines 930 943) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32))) (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| (_ bv1 32)) .cse2)) (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 .cse2))) [2022-01-10 06:35:59,418 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 122) no Hoare annotation was computed. [2022-01-10 06:35:59,418 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 237) no Hoare annotation was computed. [2022-01-10 06:35:59,418 INFO L858 garLoopResultBuilder]: For program point L233-2(lines 233 237) no Hoare annotation was computed. [2022-01-10 06:35:59,418 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 865 876) no Hoare annotation was computed. [2022-01-10 06:35:59,418 INFO L858 garLoopResultBuilder]: For program point L869-1(lines 865 876) no Hoare annotation was computed. [2022-01-10 06:35:59,418 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 865 876) the Hoare annotation is: (let ((.cse0 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse2) (or .cse0 (not (= ~systemActive~0 (_ bv0 32))) .cse2) (or (not (= (_ bv2 32) |old(~waterLevel~0)|)) .cse1 .cse2))) [2022-01-10 06:35:59,418 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 179 187) no Hoare annotation was computed. [2022-01-10 06:35:59,418 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 179 187) the Hoare annotation is: true [2022-01-10 06:35:59,418 INFO L858 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 179 187) no Hoare annotation was computed. [2022-01-10 06:35:59,421 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:35:59,427 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 06:35:59,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:35:59 BoogieIcfgContainer [2022-01-10 06:35:59,460 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 06:35:59,461 INFO L158 Benchmark]: Toolchain (without parser) took 11281.51ms. Allocated memory was 187.7MB in the beginning and 294.6MB in the end (delta: 107.0MB). Free memory was 131.0MB in the beginning and 192.4MB in the end (delta: -61.4MB). Peak memory consumption was 112.9MB. Max. memory is 8.0GB. [2022-01-10 06:35:59,461 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 187.7MB. Free memory is still 148.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 06:35:59,461 INFO L158 Benchmark]: CACSL2BoogieTranslator took 569.36ms. Allocated memory was 187.7MB in the beginning and 245.4MB in the end (delta: 57.7MB). Free memory was 130.8MB in the beginning and 200.8MB in the end (delta: -70.0MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-01-10 06:35:59,462 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.02ms. Allocated memory is still 245.4MB. Free memory was 200.8MB in the beginning and 198.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 06:35:59,462 INFO L158 Benchmark]: Boogie Preprocessor took 40.83ms. Allocated memory is still 245.4MB. Free memory was 198.2MB in the beginning and 196.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 06:35:59,462 INFO L158 Benchmark]: RCFGBuilder took 569.72ms. Allocated memory is still 245.4MB. Free memory was 196.6MB in the beginning and 178.8MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2022-01-10 06:35:59,462 INFO L158 Benchmark]: TraceAbstraction took 10044.59ms. Allocated memory was 245.4MB in the beginning and 294.6MB in the end (delta: 49.3MB). Free memory was 178.3MB in the beginning and 192.4MB in the end (delta: -14.1MB). Peak memory consumption was 103.3MB. Max. memory is 8.0GB. [2022-01-10 06:35:59,469 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 187.7MB. Free memory is still 148.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 569.36ms. Allocated memory was 187.7MB in the beginning and 245.4MB in the end (delta: 57.7MB). Free memory was 130.8MB in the beginning and 200.8MB in the end (delta: -70.0MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 52.02ms. Allocated memory is still 245.4MB. Free memory was 200.8MB in the beginning and 198.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 40.83ms. Allocated memory is still 245.4MB. Free memory was 198.2MB in the beginning and 196.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 569.72ms. Allocated memory is still 245.4MB. Free memory was 196.6MB in the beginning and 178.8MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 10044.59ms. Allocated memory was 245.4MB in the beginning and 294.6MB in the end (delta: 49.3MB). Free memory was 178.3MB in the beginning and 192.4MB in the end (delta: -14.1MB). Peak memory consumption was 103.3MB. 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: 958]: 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, 99 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.9s, OverallIterations: 11, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1338 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1298 mSDsluCounter, 4437 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2997 mSDsCounter, 437 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1776 IncrementalHoareTripleChecker+Invalid, 2213 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 437 mSolverCounterUnsat, 1440 mSDtfsCounter, 1776 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 752 GetRequests, 681 SyntacticMatches, 4 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=884occurred in iteration=10, InterpolantAutomatonStates: 79, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 212 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 1537 PreInvPairs, 1633 NumberOfFragments, 1393 HoareAnnotationTreeSize, 1537 FomulaSimplifications, 82 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 45 FomulaSimplificationsInter, 2330 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 628 NumberOfCodeBlocks, 628 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 712 ConstructedInterpolants, 0 QuantifiedInterpolants, 1573 SizeOfPredicates, 21 NumberOfNonLiveVariables, 2160 ConjunctsInSsa, 56 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 133/150 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: 944]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0bv32) || !(systemActive == 0bv32)) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel)))) && ((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32))) && ((!(2bv32 == \old(waterLevel)) || (\result == 0bv32 && waterLevel == 1bv32)) || !(systemActive == 1bv32)) - InvariantResult [Line: 344]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0bv32) || !(systemActive == 0bv32)) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel)))) && ((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32))) && ((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || waterLevel == 1bv32) - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: (((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || 0bv32 == pumpRunning) && (((!(systemActive == 1bv32) || ((0bv32 == tmp___0 && \result == 0bv32) && 0bv32 == pumpRunning)) || !(\old(pumpRunning) == 0bv32)) || !(waterLevel == 1bv32)) - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: (systemActive == 0bv32 && splverifierCounter == 0bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0bv32) || !(systemActive == 0bv32)) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel)))) && ((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32))) && ((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || ((((1bv32 == tmp___0 && \result == 0bv32) && waterLevel == 1bv32) && tmp == 0bv32) && \result == 1bv32)) - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: (!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(waterLevel == 1bv32) - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: (((waterLevel == 2bv32 && systemActive == 1bv32) && splverifierCounter == 0bv32) || (((systemActive == 1bv32 && waterLevel == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || ((systemActive == 0bv32 && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(waterLevel == 1bv32)) || (\result == 1bv32 && 0bv32 == pumpRunning)) && (((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || 0bv32 == pumpRunning) - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 982]: Loop Invariant Derived loop invariant: ((((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || (((\result == 2bv32 && systemActive == 1bv32) && 2bv32 == tmp) && waterLevel == \old(waterLevel))) || ((systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning)) && (((!(2bv32 == \old(waterLevel)) || !(\old(pumpRunning) == 0bv32)) || (\result == 2bv32 && 2bv32 == tmp)) || !(systemActive == 0bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || ((systemActive == 1bv32 && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(1bv32 == \old(waterLevel)))) && ((!(\old(pumpRunning) == 0bv32) || !(systemActive == 0bv32)) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel)))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || (((\result == 2bv32 && systemActive == 1bv32) && 2bv32 == tmp) && waterLevel == \old(waterLevel))) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: (((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel))) && (!(\old(pumpRunning) == 0bv32) || !(systemActive == 0bv32))) && (((!(2bv32 == \old(waterLevel)) || (systemActive == 1bv32 && waterLevel == \old(waterLevel))) || (waterLevel == 1bv32 && 0bv32 == pumpRunning)) || !(systemActive == 1bv32))) && (((!(2bv32 == \old(waterLevel)) || (systemActive == 1bv32 && waterLevel == \old(waterLevel))) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0bv32) || !(systemActive == 0bv32)) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel)))) && (!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 391]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 964]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 972]: Loop Invariant Derived loop invariant: (((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || 0bv32 == pumpRunning)) && ((!(\old(pumpRunning) == 0bv32) || !(systemActive == 0bv32)) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel)))) && ((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || waterLevel == \old(waterLevel)) - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel))) && ((!(\old(pumpRunning) == 0bv32) || !(systemActive == 0bv32)) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel)))) && (((!(2bv32 == \old(waterLevel)) || \result == 2bv32) || !(\old(pumpRunning) == 0bv32)) || !(systemActive == 0bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || (\result == 2bv32 && waterLevel == \old(waterLevel))) || !(\old(pumpRunning) == 0bv32))) && (((!(2bv32 == \old(waterLevel)) || (waterLevel == 1bv32 && 0bv32 == pumpRunning)) || !(systemActive == 1bv32)) || (\result == 2bv32 && waterLevel == \old(waterLevel))) - InvariantResult [Line: 474]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning RESULT: Ultimate proved your program to be correct! [2022-01-10 06:35:59,522 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...