/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_product43.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 06:35:34,051 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 06:35:34,067 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 06:35:34,135 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 06:35:34,136 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 06:35:34,136 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 06:35:34,137 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 06:35:34,138 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 06:35:34,139 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 06:35:34,140 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 06:35:34,140 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 06:35:34,141 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 06:35:34,141 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 06:35:34,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 06:35:34,142 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 06:35:34,143 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 06:35:34,143 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 06:35:34,144 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 06:35:34,148 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 06:35:34,149 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 06:35:34,150 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 06:35:34,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 06:35:34,165 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 06:35:34,165 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 06:35:34,167 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 06:35:34,167 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 06:35:34,167 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 06:35:34,168 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 06:35:34,168 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 06:35:34,169 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 06:35:34,169 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 06:35:34,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 06:35:34,170 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 06:35:34,170 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 06:35:34,171 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 06:35:34,171 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 06:35:34,171 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 06:35:34,171 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 06:35:34,172 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 06:35:34,172 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 06:35:34,172 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 06:35:34,176 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 06:35:34,189 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 06:35:34,189 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 06:35:34,189 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 06:35:34,190 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 06:35:34,190 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 06:35:34,190 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 06:35:34,191 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 06:35:34,191 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 06:35:34,193 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 06:35:34,193 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 06:35:34,194 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 06:35:34,194 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 06:35:34,194 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 06:35:34,194 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 06:35:34,195 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 06:35:34,195 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 06:35:34,195 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 06:35:34,195 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 06:35:34,195 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 06:35:34,195 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 06:35:34,195 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 06:35:34,195 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 06:35:34,195 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 06:35:34,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:35:34,197 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 06:35:34,197 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 06:35:34,197 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 06:35:34,197 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 06:35:34,197 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 06:35:34,197 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 06:35:34,197 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 06:35:34,197 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 06:35:34,198 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 06:35:34,198 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 06:35:34,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 06:35:34,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 06:35:34,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 06:35:34,383 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 06:35:34,384 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 06:35:34,384 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product43.cil.c [2022-01-10 06:35:34,436 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c5e9fdd3/a962dd587ae3417983da58f5a383d45b/FLAG4f7bcc596 [2022-01-10 06:35:34,837 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 06:35:34,838 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product43.cil.c [2022-01-10 06:35:34,844 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c5e9fdd3/a962dd587ae3417983da58f5a383d45b/FLAG4f7bcc596 [2022-01-10 06:35:34,852 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c5e9fdd3/a962dd587ae3417983da58f5a383d45b [2022-01-10 06:35:34,854 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 06:35:34,855 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 06:35:34,858 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 06:35:34,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 06:35:34,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 06:35:34,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:35:34" (1/1) ... [2022-01-10 06:35:34,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d5def37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:34, skipping insertion in model container [2022-01-10 06:35:34,870 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:35:34" (1/1) ... [2022-01-10 06:35:34,887 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 06:35:34,916 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:35:35,174 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_product43.cil.c[18537,18550] [2022-01-10 06:35:35,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:35:35,197 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 06:35:35,205 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:35:35,296 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_product43.cil.c[18537,18550] [2022-01-10 06:35:35,296 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:35:35,299 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 06:35:35,332 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_product43.cil.c[18537,18550] [2022-01-10 06:35:35,332 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:35:35,344 INFO L208 MainTranslator]: Completed translation [2022-01-10 06:35:35,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:35 WrapperNode [2022-01-10 06:35:35,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 06:35:35,345 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 06:35:35,345 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 06:35:35,345 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 06:35:35,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:35" (1/1) ... [2022-01-10 06:35:35,367 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:35" (1/1) ... [2022-01-10 06:35:35,385 INFO L137 Inliner]: procedures = 58, calls = 156, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 246 [2022-01-10 06:35:35,385 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 06:35:35,386 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 06:35:35,386 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 06:35:35,386 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 06:35:35,392 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:35" (1/1) ... [2022-01-10 06:35:35,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:35" (1/1) ... [2022-01-10 06:35:35,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:35" (1/1) ... [2022-01-10 06:35:35,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:35" (1/1) ... [2022-01-10 06:35:35,398 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:35" (1/1) ... [2022-01-10 06:35:35,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:35" (1/1) ... [2022-01-10 06:35:35,404 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:35" (1/1) ... [2022-01-10 06:35:35,406 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 06:35:35,406 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 06:35:35,406 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 06:35:35,406 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 06:35:35,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:35" (1/1) ... [2022-01-10 06:35:35,426 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:35:35,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 06:35:35,450 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 06:35:35,463 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 06:35:35,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 06:35:35,480 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-01-10 06:35:35,480 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-01-10 06:35:35,481 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-01-10 06:35:35,481 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-01-10 06:35:35,482 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-01-10 06:35:35,482 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-01-10 06:35:35,482 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-01-10 06:35:35,482 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-01-10 06:35:35,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 06:35:35,482 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-01-10 06:35:35,483 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-01-10 06:35:35,483 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-01-10 06:35:35,483 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-01-10 06:35:35,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 06:35:35,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 06:35:35,535 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 06:35:35,537 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 06:35:35,809 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 06:35:35,814 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 06:35:35,814 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-10 06:35:35,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:35:35 BoogieIcfgContainer [2022-01-10 06:35:35,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 06:35:35,832 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 06:35:35,832 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 06:35:35,834 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 06:35:35,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:35:34" (1/3) ... [2022-01-10 06:35:35,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35f976ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:35:35, skipping insertion in model container [2022-01-10 06:35:35,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:35" (2/3) ... [2022-01-10 06:35:35,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35f976ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:35:35, skipping insertion in model container [2022-01-10 06:35:35,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:35:35" (3/3) ... [2022-01-10 06:35:35,837 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product43.cil.c [2022-01-10 06:35:35,840 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 06:35:35,840 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 06:35:35,883 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 06:35:35,889 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 06:35:35,890 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 06:35:35,912 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 70 states have (on average 1.3714285714285714) internal successors, (96), 76 states have internal predecessors, (96), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2022-01-10 06:35:35,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-01-10 06:35:35,918 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:35,919 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 06:35:35,919 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:35,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:35,922 INFO L85 PathProgramCache]: Analyzing trace with hash 991645006, now seen corresponding path program 1 times [2022-01-10 06:35:35,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:35,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [676854331] [2022-01-10 06:35:35,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:35,933 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:35,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:35,935 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 06:35:35,981 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 06:35:36,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:36,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 1 conjunts are in the unsatisfiable core [2022-01-10 06:35:36,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:36,184 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 06:35:36,184 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:36,185 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:36,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [676854331] [2022-01-10 06:35:36,187 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [676854331] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:36,187 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:36,187 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:35:36,188 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37858529] [2022-01-10 06:35:36,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:36,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 06:35:36,194 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:36,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 06:35:36,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:35:36,220 INFO L87 Difference]: Start difference. First operand has 88 states, 70 states have (on average 1.3714285714285714) internal successors, (96), 76 states have internal predecessors, (96), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 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 06:35:36,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:36,258 INFO L93 Difference]: Finished difference Result 167 states and 226 transitions. [2022-01-10 06:35:36,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 06:35:36,259 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 06:35:36,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:36,265 INFO L225 Difference]: With dead ends: 167 [2022-01-10 06:35:36,265 INFO L226 Difference]: Without dead ends: 79 [2022-01-10 06:35:36,268 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 06:35:36,270 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:36,270 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:36,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-01-10 06:35:36,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2022-01-10 06:35:36,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 63 states have (on average 1.3015873015873016) internal successors, (82), 68 states have internal predecessors, (82), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-01-10 06:35:36,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 101 transitions. [2022-01-10 06:35:36,312 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 101 transitions. Word has length 32 [2022-01-10 06:35:36,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:36,313 INFO L470 AbstractCegarLoop]: Abstraction has 79 states and 101 transitions. [2022-01-10 06:35:36,313 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 06:35:36,314 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 101 transitions. [2022-01-10 06:35:36,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-10 06:35:36,316 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:36,317 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 06:35:36,324 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-01-10 06:35:36,523 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 06:35:36,524 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:36,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:36,525 INFO L85 PathProgramCache]: Analyzing trace with hash -43910683, now seen corresponding path program 1 times [2022-01-10 06:35:36,526 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:36,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [473476088] [2022-01-10 06:35:36,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:36,526 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:36,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:36,527 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 06:35:36,529 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 06:35:36,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:36,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:35:36,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:36,674 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 06:35:36,674 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:36,674 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:36,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [473476088] [2022-01-10 06:35:36,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [473476088] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:36,675 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:36,675 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:35:36,677 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447754459] [2022-01-10 06:35:36,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:36,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:35:36,679 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:36,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:35:36,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:35:36,681 INFO L87 Difference]: Start difference. First operand 79 states and 101 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 06:35:36,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:36,703 INFO L93 Difference]: Finished difference Result 119 states and 152 transitions. [2022-01-10 06:35:36,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:35:36,706 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 06:35:36,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:36,707 INFO L225 Difference]: With dead ends: 119 [2022-01-10 06:35:36,707 INFO L226 Difference]: Without dead ends: 70 [2022-01-10 06:35:36,707 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 06:35:36,708 INFO L933 BasicCegarLoop]: 88 mSDtfsCounter, 17 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 155 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 06:35:36,708 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 155 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:36,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-01-10 06:35:36,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2022-01-10 06:35:36,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 57 states have (on average 1.3157894736842106) internal successors, (75), 62 states have internal predecessors, (75), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-01-10 06:35:36,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 89 transitions. [2022-01-10 06:35:36,713 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 89 transitions. Word has length 33 [2022-01-10 06:35:36,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:36,713 INFO L470 AbstractCegarLoop]: Abstraction has 70 states and 89 transitions. [2022-01-10 06:35:36,714 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 06:35:36,714 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2022-01-10 06:35:36,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-10 06:35:36,714 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:36,714 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 06:35:36,723 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 06:35:36,915 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 06:35:36,916 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:36,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:36,917 INFO L85 PathProgramCache]: Analyzing trace with hash -1721110732, now seen corresponding path program 1 times [2022-01-10 06:35:36,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:36,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1460170416] [2022-01-10 06:35:36,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:36,924 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:36,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:36,928 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 06:35:36,929 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 06:35:36,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:36,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:35:36,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:37,086 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 06:35:37,087 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:37,087 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:37,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1460170416] [2022-01-10 06:35:37,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1460170416] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:37,087 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:37,087 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:35:37,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133499645] [2022-01-10 06:35:37,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:37,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:35:37,088 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:37,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:35:37,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:35:37,089 INFO L87 Difference]: Start difference. First operand 70 states and 89 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 06:35:37,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:37,101 INFO L93 Difference]: Finished difference Result 193 states and 251 transitions. [2022-01-10 06:35:37,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:35:37,101 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 06:35:37,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:37,103 INFO L225 Difference]: With dead ends: 193 [2022-01-10 06:35:37,103 INFO L226 Difference]: Without dead ends: 131 [2022-01-10 06:35:37,104 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 06:35:37,105 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 61 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 186 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 06:35:37,105 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 186 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:37,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2022-01-10 06:35:37,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 126. [2022-01-10 06:35:37,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 101 states have (on average 1.3366336633663367) internal successors, (135), 110 states have internal predecessors, (135), 14 states have call successors, (14), 10 states have call predecessors, (14), 10 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) [2022-01-10 06:35:37,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 163 transitions. [2022-01-10 06:35:37,119 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 163 transitions. Word has length 37 [2022-01-10 06:35:37,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:37,120 INFO L470 AbstractCegarLoop]: Abstraction has 126 states and 163 transitions. [2022-01-10 06:35:37,120 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 06:35:37,120 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 163 transitions. [2022-01-10 06:35:37,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-01-10 06:35:37,121 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:37,121 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] [2022-01-10 06:35:37,131 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 06:35:37,328 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 06:35:37,329 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:37,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:37,329 INFO L85 PathProgramCache]: Analyzing trace with hash 845444465, now seen corresponding path program 1 times [2022-01-10 06:35:37,331 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:37,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1570314573] [2022-01-10 06:35:37,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:37,332 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:37,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:37,333 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 06:35:37,335 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 06:35:37,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:37,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:35:37,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:37,495 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 06:35:37,495 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:37,495 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:37,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1570314573] [2022-01-10 06:35:37,496 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1570314573] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:37,496 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:37,496 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:35:37,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419783549] [2022-01-10 06:35:37,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:37,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:35:37,496 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:37,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:35:37,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:35:37,497 INFO L87 Difference]: Start difference. First operand 126 states and 163 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 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 06:35:37,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:37,520 INFO L93 Difference]: Finished difference Result 331 states and 436 transitions. [2022-01-10 06:35:37,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:35:37,520 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 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 42 [2022-01-10 06:35:37,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:37,522 INFO L225 Difference]: With dead ends: 331 [2022-01-10 06:35:37,522 INFO L226 Difference]: Without dead ends: 213 [2022-01-10 06:35:37,523 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 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 06:35:37,523 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 54 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:37,523 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 154 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:37,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2022-01-10 06:35:37,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 211. [2022-01-10 06:35:37,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 166 states have (on average 1.319277108433735) internal successors, (219), 179 states have internal predecessors, (219), 24 states have call successors, (24), 20 states have call predecessors, (24), 20 states have return successors, (28), 24 states have call predecessors, (28), 24 states have call successors, (28) [2022-01-10 06:35:37,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 271 transitions. [2022-01-10 06:35:37,548 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 271 transitions. Word has length 42 [2022-01-10 06:35:37,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:37,548 INFO L470 AbstractCegarLoop]: Abstraction has 211 states and 271 transitions. [2022-01-10 06:35:37,548 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 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 06:35:37,548 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 271 transitions. [2022-01-10 06:35:37,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-01-10 06:35:37,549 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:37,549 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 06:35:37,556 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-01-10 06:35:37,761 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 06:35:37,761 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:37,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:37,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1493412905, now seen corresponding path program 1 times [2022-01-10 06:35:37,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:37,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [289378881] [2022-01-10 06:35:37,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:37,762 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:37,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:37,763 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 06:35:37,765 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 06:35:37,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:37,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-10 06:35:37,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:37,923 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 06:35:37,924 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:37,924 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:37,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [289378881] [2022-01-10 06:35:37,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [289378881] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:37,924 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:37,924 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:35:37,924 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852777974] [2022-01-10 06:35:37,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:37,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:35:37,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:37,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:35:37,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:35:37,925 INFO L87 Difference]: Start difference. First operand 211 states and 271 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 4 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 06:35:38,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:38,017 INFO L93 Difference]: Finished difference Result 424 states and 550 transitions. [2022-01-10 06:35:38,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 06:35:38,018 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 4 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 06:35:38,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:38,023 INFO L225 Difference]: With dead ends: 424 [2022-01-10 06:35:38,023 INFO L226 Difference]: Without dead ends: 221 [2022-01-10 06:35:38,027 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 06:35:38,028 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 42 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:38,028 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 404 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:35:38,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2022-01-10 06:35:38,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 209. [2022-01-10 06:35:38,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 164 states have (on average 1.298780487804878) internal successors, (213), 177 states have internal predecessors, (213), 24 states have call successors, (24), 20 states have call predecessors, (24), 20 states have return successors, (28), 24 states have call predecessors, (28), 24 states have call successors, (28) [2022-01-10 06:35:38,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 265 transitions. [2022-01-10 06:35:38,058 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 265 transitions. Word has length 41 [2022-01-10 06:35:38,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:38,059 INFO L470 AbstractCegarLoop]: Abstraction has 209 states and 265 transitions. [2022-01-10 06:35:38,059 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 4 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 06:35:38,060 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 265 transitions. [2022-01-10 06:35:38,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-01-10 06:35:38,066 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:38,066 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] [2022-01-10 06:35:38,075 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-01-10 06:35:38,272 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 06:35:38,273 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:38,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:38,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1271259535, now seen corresponding path program 1 times [2022-01-10 06:35:38,274 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:38,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1881313381] [2022-01-10 06:35:38,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:38,274 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:38,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:38,275 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 06:35:38,276 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 06:35:38,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:38,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-10 06:35:38,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:38,407 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 06:35:38,407 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:38,407 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:38,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1881313381] [2022-01-10 06:35:38,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1881313381] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:38,407 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:38,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:35:38,408 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108905351] [2022-01-10 06:35:38,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:38,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:35:38,408 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:38,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:35:38,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:35:38,408 INFO L87 Difference]: Start difference. First operand 209 states and 265 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 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 06:35:38,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:38,447 INFO L93 Difference]: Finished difference Result 458 states and 594 transitions. [2022-01-10 06:35:38,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 06:35:38,447 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 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 50 [2022-01-10 06:35:38,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:38,448 INFO L225 Difference]: With dead ends: 458 [2022-01-10 06:35:38,448 INFO L226 Difference]: Without dead ends: 257 [2022-01-10 06:35:38,449 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 46 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 06:35:38,450 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 33 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:38,450 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 394 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:38,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2022-01-10 06:35:38,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 215. [2022-01-10 06:35:38,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 170 states have (on average 1.2882352941176471) internal successors, (219), 183 states have internal predecessors, (219), 24 states have call successors, (24), 20 states have call predecessors, (24), 20 states have return successors, (28), 24 states have call predecessors, (28), 24 states have call successors, (28) [2022-01-10 06:35:38,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 271 transitions. [2022-01-10 06:35:38,462 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 271 transitions. Word has length 50 [2022-01-10 06:35:38,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:38,463 INFO L470 AbstractCegarLoop]: Abstraction has 215 states and 271 transitions. [2022-01-10 06:35:38,463 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 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 06:35:38,463 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 271 transitions. [2022-01-10 06:35:38,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-01-10 06:35:38,463 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:38,463 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] [2022-01-10 06:35:38,480 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-01-10 06:35:38,674 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 06:35:38,674 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:38,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:38,675 INFO L85 PathProgramCache]: Analyzing trace with hash -848557709, now seen corresponding path program 1 times [2022-01-10 06:35:38,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:38,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1882427520] [2022-01-10 06:35:38,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:38,675 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:38,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:38,678 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 06:35:38,680 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 06:35:38,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:38,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:35:38,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:38,814 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 06:35:38,814 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:38,814 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:38,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1882427520] [2022-01-10 06:35:38,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1882427520] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:38,814 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:38,814 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 06:35:38,814 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975212647] [2022-01-10 06:35:38,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:38,815 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 06:35:38,816 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:38,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 06:35:38,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 06:35:38,816 INFO L87 Difference]: Start difference. First operand 215 states and 271 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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 06:35:38,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:38,844 INFO L93 Difference]: Finished difference Result 454 states and 584 transitions. [2022-01-10 06:35:38,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 06:35:38,846 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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 50 [2022-01-10 06:35:38,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:38,849 INFO L225 Difference]: With dead ends: 454 [2022-01-10 06:35:38,849 INFO L226 Difference]: Without dead ends: 247 [2022-01-10 06:35:38,850 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 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 06:35:38,850 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 27 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:38,851 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 273 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:38,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2022-01-10 06:35:38,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 219. [2022-01-10 06:35:38,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 174 states have (on average 1.2816091954022988) internal successors, (223), 187 states have internal predecessors, (223), 24 states have call successors, (24), 20 states have call predecessors, (24), 20 states have return successors, (28), 24 states have call predecessors, (28), 24 states have call successors, (28) [2022-01-10 06:35:38,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 275 transitions. [2022-01-10 06:35:38,871 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 275 transitions. Word has length 50 [2022-01-10 06:35:38,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:38,873 INFO L470 AbstractCegarLoop]: Abstraction has 219 states and 275 transitions. [2022-01-10 06:35:38,873 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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 06:35:38,873 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 275 transitions. [2022-01-10 06:35:38,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-01-10 06:35:38,874 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:38,874 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] [2022-01-10 06:35:38,883 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 06:35:39,081 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 06:35:39,082 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:39,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:39,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1640971253, now seen corresponding path program 1 times [2022-01-10 06:35:39,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:39,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [86175570] [2022-01-10 06:35:39,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:39,085 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:39,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:39,086 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 06:35:39,088 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 06:35:39,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:39,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:35:39,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:39,231 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 06:35:39,231 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:39,231 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:39,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [86175570] [2022-01-10 06:35:39,232 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [86175570] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:39,232 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:39,232 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:35:39,232 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809462386] [2022-01-10 06:35:39,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:39,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:35:39,232 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:39,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:35:39,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:35:39,233 INFO L87 Difference]: Start difference. First operand 219 states and 275 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 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 06:35:39,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:39,269 INFO L93 Difference]: Finished difference Result 523 states and 662 transitions. [2022-01-10 06:35:39,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:35:39,269 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 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 50 [2022-01-10 06:35:39,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:39,271 INFO L225 Difference]: With dead ends: 523 [2022-01-10 06:35:39,271 INFO L226 Difference]: Without dead ends: 312 [2022-01-10 06:35:39,271 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 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 06:35:39,272 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 36 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:39,272 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 169 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:39,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2022-01-10 06:35:39,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 312. [2022-01-10 06:35:39,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 247 states have (on average 1.2510121457489878) internal successors, (309), 262 states have internal predecessors, (309), 36 states have call successors, (36), 30 states have call predecessors, (36), 28 states have return successors, (40), 34 states have call predecessors, (40), 36 states have call successors, (40) [2022-01-10 06:35:39,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 385 transitions. [2022-01-10 06:35:39,285 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 385 transitions. Word has length 50 [2022-01-10 06:35:39,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:39,285 INFO L470 AbstractCegarLoop]: Abstraction has 312 states and 385 transitions. [2022-01-10 06:35:39,285 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 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 06:35:39,285 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 385 transitions. [2022-01-10 06:35:39,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-01-10 06:35:39,286 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:39,286 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] [2022-01-10 06:35:39,292 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 06:35:39,492 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 06:35:39,493 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:39,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:39,493 INFO L85 PathProgramCache]: Analyzing trace with hash 832166863, now seen corresponding path program 1 times [2022-01-10 06:35:39,493 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:39,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [904052913] [2022-01-10 06:35:39,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:39,494 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:39,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:39,495 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 06:35:39,496 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 06:35:39,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:39,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 10 conjunts are in the unsatisfiable core [2022-01-10 06:35:39,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:39,682 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 06:35:39,683 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:39,683 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:39,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [904052913] [2022-01-10 06:35:39,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [904052913] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:39,683 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:39,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-10 06:35:39,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713273733] [2022-01-10 06:35:39,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:39,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-10 06:35:39,683 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:39,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-10 06:35:39,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-01-10 06:35:39,684 INFO L87 Difference]: Start difference. First operand 312 states and 385 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 6 states have internal predecessors, (47), 3 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-01-10 06:35:39,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:39,970 INFO L93 Difference]: Finished difference Result 1069 states and 1364 transitions. [2022-01-10 06:35:39,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-10 06:35:39,970 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 6 states have internal predecessors, (47), 3 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 54 [2022-01-10 06:35:39,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:39,974 INFO L225 Difference]: With dead ends: 1069 [2022-01-10 06:35:39,974 INFO L226 Difference]: Without dead ends: 858 [2022-01-10 06:35:39,975 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 46 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 06:35:39,975 INFO L933 BasicCegarLoop]: 138 mSDtfsCounter, 236 mSDsluCounter, 558 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:39,975 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [245 Valid, 696 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 06:35:39,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2022-01-10 06:35:40,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 794. [2022-01-10 06:35:40,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 794 states, 633 states have (on average 1.2338072669826223) internal successors, (781), 676 states have internal predecessors, (781), 88 states have call successors, (88), 66 states have call predecessors, (88), 72 states have return successors, (108), 84 states have call predecessors, (108), 88 states have call successors, (108) [2022-01-10 06:35:40,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 977 transitions. [2022-01-10 06:35:40,009 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 977 transitions. Word has length 54 [2022-01-10 06:35:40,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:40,009 INFO L470 AbstractCegarLoop]: Abstraction has 794 states and 977 transitions. [2022-01-10 06:35:40,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 6 states have internal predecessors, (47), 3 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-01-10 06:35:40,009 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 977 transitions. [2022-01-10 06:35:40,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-01-10 06:35:40,010 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:40,010 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:35:40,021 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 06:35:40,219 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 06:35:40,219 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:40,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:40,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1448493659, now seen corresponding path program 1 times [2022-01-10 06:35:40,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:40,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [872230232] [2022-01-10 06:35:40,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:40,220 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:40,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:40,226 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 06:35:40,230 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 06:35:40,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:40,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-10 06:35:40,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:40,419 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:35:40,420 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 06:35:40,578 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-10 06:35:40,578 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:40,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [872230232] [2022-01-10 06:35:40,578 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [872230232] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 06:35:40,578 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-01-10 06:35:40,578 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-01-10 06:35:40,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582378318] [2022-01-10 06:35:40,578 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-01-10 06:35:40,579 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-10 06:35:40,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:40,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-10 06:35:40,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-01-10 06:35:40,579 INFO L87 Difference]: Start difference. First operand 794 states and 977 transitions. Second operand has 10 states, 10 states have (on average 10.7) internal successors, (107), 8 states have internal predecessors, (107), 5 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (10), 7 states have call predecessors, (10), 5 states have call successors, (10) [2022-01-10 06:35:40,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:40,837 INFO L93 Difference]: Finished difference Result 1461 states and 1857 transitions. [2022-01-10 06:35:40,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-10 06:35:40,837 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 8 states have internal predecessors, (107), 5 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (10), 7 states have call predecessors, (10), 5 states have call successors, (10) Word has length 85 [2022-01-10 06:35:40,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:40,840 INFO L225 Difference]: With dead ends: 1461 [2022-01-10 06:35:40,840 INFO L226 Difference]: Without dead ends: 764 [2022-01-10 06:35:40,842 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2022-01-10 06:35:40,843 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 157 mSDsluCounter, 918 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 1104 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:40,843 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [165 Valid, 1104 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:35:40,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2022-01-10 06:35:40,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 681. [2022-01-10 06:35:40,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 681 states, 529 states have (on average 1.2136105860113422) internal successors, (642), 566 states have internal predecessors, (642), 82 states have call successors, (82), 69 states have call predecessors, (82), 69 states have return successors, (92), 72 states have call predecessors, (92), 82 states have call successors, (92) [2022-01-10 06:35:40,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 681 states and 816 transitions. [2022-01-10 06:35:40,869 INFO L78 Accepts]: Start accepts. Automaton has 681 states and 816 transitions. Word has length 85 [2022-01-10 06:35:40,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:40,870 INFO L470 AbstractCegarLoop]: Abstraction has 681 states and 816 transitions. [2022-01-10 06:35:40,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 8 states have internal predecessors, (107), 5 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (10), 7 states have call predecessors, (10), 5 states have call successors, (10) [2022-01-10 06:35:40,870 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 816 transitions. [2022-01-10 06:35:40,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-01-10 06:35:40,872 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:40,872 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:35:40,892 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 06:35:41,079 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 06:35:41,079 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:41,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:41,079 INFO L85 PathProgramCache]: Analyzing trace with hash -17359301, now seen corresponding path program 1 times [2022-01-10 06:35:41,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:41,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [498225067] [2022-01-10 06:35:41,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:41,080 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:41,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:41,081 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 06:35:41,094 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 06:35:41,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:41,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:35:41,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:41,331 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-01-10 06:35:41,332 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:41,332 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:41,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [498225067] [2022-01-10 06:35:41,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [498225067] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:41,332 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:41,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:35:41,332 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996240548] [2022-01-10 06:35:41,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:41,332 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:35:41,332 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:41,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:35:41,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:35:41,333 INFO L87 Difference]: Start difference. First operand 681 states and 816 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-01-10 06:35:41,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:41,362 INFO L93 Difference]: Finished difference Result 1262 states and 1541 transitions. [2022-01-10 06:35:41,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:35:41,363 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 152 [2022-01-10 06:35:41,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:41,366 INFO L225 Difference]: With dead ends: 1262 [2022-01-10 06:35:41,366 INFO L226 Difference]: Without dead ends: 826 [2022-01-10 06:35:41,367 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 150 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 06:35:41,367 INFO L933 BasicCegarLoop]: 102 mSDtfsCounter, 46 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:41,367 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 147 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:41,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2022-01-10 06:35:41,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 818. [2022-01-10 06:35:41,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 818 states, 633 states have (on average 1.2116903633491312) internal successors, (767), 677 states have internal predecessors, (767), 100 states have call successors, (100), 84 states have call predecessors, (100), 84 states have return successors, (119), 89 states have call predecessors, (119), 100 states have call successors, (119) [2022-01-10 06:35:41,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 986 transitions. [2022-01-10 06:35:41,400 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 986 transitions. Word has length 152 [2022-01-10 06:35:41,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:41,400 INFO L470 AbstractCegarLoop]: Abstraction has 818 states and 986 transitions. [2022-01-10 06:35:41,401 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-01-10 06:35:41,401 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 986 transitions. [2022-01-10 06:35:41,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-01-10 06:35:41,403 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:41,403 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:35:41,412 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Ended with exit code 0 [2022-01-10 06:35:41,610 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 06:35:41,611 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:41,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:41,611 INFO L85 PathProgramCache]: Analyzing trace with hash -366703378, now seen corresponding path program 1 times [2022-01-10 06:35:41,611 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:41,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [406903318] [2022-01-10 06:35:41,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:41,612 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:41,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:41,613 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:35:41,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-01-10 06:35:41,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:41,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 13 conjunts are in the unsatisfiable core [2022-01-10 06:35:41,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:42,160 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 120 proven. 13 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-01-10 06:35:42,160 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 06:35:42,717 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 83 proven. 41 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-01-10 06:35:42,717 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:42,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [406903318] [2022-01-10 06:35:42,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [406903318] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 06:35:42,717 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-01-10 06:35:42,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2022-01-10 06:35:42,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487391695] [2022-01-10 06:35:42,717 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-01-10 06:35:42,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-10 06:35:42,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:42,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-10 06:35:42,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2022-01-10 06:35:42,719 INFO L87 Difference]: Start difference. First operand 818 states and 986 transitions. Second operand has 19 states, 19 states have (on average 9.368421052631579) internal successors, (178), 18 states have internal predecessors, (178), 10 states have call successors, (17), 5 states have call predecessors, (17), 8 states have return successors, (19), 8 states have call predecessors, (19), 10 states have call successors, (19) [2022-01-10 06:35:43,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:43,745 INFO L93 Difference]: Finished difference Result 2564 states and 3250 transitions. [2022-01-10 06:35:43,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-10 06:35:43,745 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 9.368421052631579) internal successors, (178), 18 states have internal predecessors, (178), 10 states have call successors, (17), 5 states have call predecessors, (17), 8 states have return successors, (19), 8 states have call predecessors, (19), 10 states have call successors, (19) Word has length 158 [2022-01-10 06:35:43,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:43,752 INFO L225 Difference]: With dead ends: 2564 [2022-01-10 06:35:43,752 INFO L226 Difference]: Without dead ends: 1754 [2022-01-10 06:35:43,755 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 310 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 508 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=424, Invalid=1738, Unknown=0, NotChecked=0, Total=2162 [2022-01-10 06:35:43,755 INFO L933 BasicCegarLoop]: 155 mSDtfsCounter, 1242 mSDsluCounter, 1137 mSDsCounter, 0 mSdLazyCounter, 909 mSolverCounterSat, 351 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1246 SdHoareTripleChecker+Valid, 1292 SdHoareTripleChecker+Invalid, 1260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 351 IncrementalHoareTripleChecker+Valid, 909 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:43,755 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1246 Valid, 1292 Invalid, 1260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [351 Valid, 909 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-10 06:35:43,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1754 states. [2022-01-10 06:35:43,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1754 to 1661. [2022-01-10 06:35:43,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1661 states, 1268 states have (on average 1.2105678233438486) internal successors, (1535), 1371 states have internal predecessors, (1535), 210 states have call successors, (210), 179 states have call predecessors, (210), 182 states have return successors, (287), 181 states have call predecessors, (287), 210 states have call successors, (287) [2022-01-10 06:35:43,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1661 states to 1661 states and 2032 transitions. [2022-01-10 06:35:43,829 INFO L78 Accepts]: Start accepts. Automaton has 1661 states and 2032 transitions. Word has length 158 [2022-01-10 06:35:43,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:43,829 INFO L470 AbstractCegarLoop]: Abstraction has 1661 states and 2032 transitions. [2022-01-10 06:35:43,830 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 9.368421052631579) internal successors, (178), 18 states have internal predecessors, (178), 10 states have call successors, (17), 5 states have call predecessors, (17), 8 states have return successors, (19), 8 states have call predecessors, (19), 10 states have call successors, (19) [2022-01-10 06:35:43,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1661 states and 2032 transitions. [2022-01-10 06:35:43,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-01-10 06:35:43,832 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:43,832 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:35:43,849 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-01-10 06:35:44,040 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:35:44,041 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:44,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:44,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1791380046, now seen corresponding path program 1 times [2022-01-10 06:35:44,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:44,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [400711799] [2022-01-10 06:35:44,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:44,042 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:44,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:44,043 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:35:44,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-01-10 06:35:44,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:44,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-10 06:35:44,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:44,396 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 164 proven. 7 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-01-10 06:35:44,396 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 06:35:44,766 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 106 proven. 42 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-01-10 06:35:44,766 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:44,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [400711799] [2022-01-10 06:35:44,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [400711799] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 06:35:44,767 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-01-10 06:35:44,767 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2022-01-10 06:35:44,767 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081041432] [2022-01-10 06:35:44,767 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-01-10 06:35:44,767 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-01-10 06:35:44,767 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:44,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-01-10 06:35:44,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2022-01-10 06:35:44,768 INFO L87 Difference]: Start difference. First operand 1661 states and 2032 transitions. Second operand has 14 states, 14 states have (on average 11.857142857142858) internal successors, (166), 12 states have internal predecessors, (166), 6 states have call successors, (20), 4 states have call predecessors, (20), 8 states have return successors, (21), 8 states have call predecessors, (21), 6 states have call successors, (21) [2022-01-10 06:35:45,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:45,107 INFO L93 Difference]: Finished difference Result 3184 states and 3920 transitions. [2022-01-10 06:35:45,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-10 06:35:45,107 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 11.857142857142858) internal successors, (166), 12 states have internal predecessors, (166), 6 states have call successors, (20), 4 states have call predecessors, (20), 8 states have return successors, (21), 8 states have call predecessors, (21), 6 states have call successors, (21) Word has length 170 [2022-01-10 06:35:45,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:45,113 INFO L225 Difference]: With dead ends: 3184 [2022-01-10 06:35:45,113 INFO L226 Difference]: Without dead ends: 1724 [2022-01-10 06:35:45,116 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 329 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=382, Unknown=0, NotChecked=0, Total=506 [2022-01-10 06:35:45,116 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 194 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:45,117 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [200 Valid, 617 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 414 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 06:35:45,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1724 states. [2022-01-10 06:35:45,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1724 to 1566. [2022-01-10 06:35:45,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1566 states, 1194 states have (on average 1.2060301507537687) internal successors, (1440), 1289 states have internal predecessors, (1440), 189 states have call successors, (189), 173 states have call predecessors, (189), 182 states have return successors, (249), 172 states have call predecessors, (249), 189 states have call successors, (249) [2022-01-10 06:35:45,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1566 states to 1566 states and 1878 transitions. [2022-01-10 06:35:45,179 INFO L78 Accepts]: Start accepts. Automaton has 1566 states and 1878 transitions. Word has length 170 [2022-01-10 06:35:45,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:45,179 INFO L470 AbstractCegarLoop]: Abstraction has 1566 states and 1878 transitions. [2022-01-10 06:35:45,180 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 11.857142857142858) internal successors, (166), 12 states have internal predecessors, (166), 6 states have call successors, (20), 4 states have call predecessors, (20), 8 states have return successors, (21), 8 states have call predecessors, (21), 6 states have call successors, (21) [2022-01-10 06:35:45,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1566 states and 1878 transitions. [2022-01-10 06:35:45,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-01-10 06:35:45,182 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:45,182 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:35:45,190 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-01-10 06:35:45,390 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:35:45,390 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:45,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:45,390 INFO L85 PathProgramCache]: Analyzing trace with hash -109257040, now seen corresponding path program 1 times [2022-01-10 06:35:45,390 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:45,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1134457514] [2022-01-10 06:35:45,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:45,391 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:45,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:45,392 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:35:45,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-01-10 06:35:45,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:45,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:35:45,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:45,694 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-01-10 06:35:45,694 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:45,694 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:45,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1134457514] [2022-01-10 06:35:45,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1134457514] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:45,694 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:45,694 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:35:45,694 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705506229] [2022-01-10 06:35:45,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:45,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:35:45,695 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:45,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:35:45,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:35:45,695 INFO L87 Difference]: Start difference. First operand 1566 states and 1878 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-01-10 06:35:45,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:45,725 INFO L93 Difference]: Finished difference Result 1879 states and 2259 transitions. [2022-01-10 06:35:45,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:35:45,725 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 172 [2022-01-10 06:35:45,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:45,726 INFO L225 Difference]: With dead ends: 1879 [2022-01-10 06:35:45,726 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 06:35:45,729 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 170 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 06:35:45,730 INFO L933 BasicCegarLoop]: 121 mSDtfsCounter, 36 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 203 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 06:35:45,730 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 203 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:45,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 06:35:45,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 06:35:45,731 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 06:35:45,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 06:35:45,731 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 172 [2022-01-10 06:35:45,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:45,731 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 06:35:45,731 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-01-10 06:35:45,731 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 06:35:45,731 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 06:35:45,733 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 06:35:45,741 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-01-10 06:35:45,940 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:35:45,942 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 06:35:51,765 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 629 635) no Hoare annotation was computed. [2022-01-10 06:35:51,765 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 629 635) the Hoare annotation is: true [2022-01-10 06:35:51,765 INFO L858 garLoopResultBuilder]: For program point L818-1(lines 814 825) no Hoare annotation was computed. [2022-01-10 06:35:51,766 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 814 825) the Hoare annotation is: true [2022-01-10 06:35:51,766 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 814 825) no Hoare annotation was computed. [2022-01-10 06:35:51,766 INFO L858 garLoopResultBuilder]: For program point L609(lines 609 615) no Hoare annotation was computed. [2022-01-10 06:35:51,766 INFO L858 garLoopResultBuilder]: For program point L609-2(lines 605 627) no Hoare annotation was computed. [2022-01-10 06:35:51,766 INFO L854 garLoopResultBuilder]: At program point L667(lines 662 669) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 (and (= (_ bv1 32) ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse2 (not (= ~systemActive~0 (_ bv0 32)))) (or .cse1 .cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse3) (or .cse1 .cse3 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))))) [2022-01-10 06:35:51,766 INFO L858 garLoopResultBuilder]: For program point L915(lines 915 921) no Hoare annotation was computed. [2022-01-10 06:35:51,766 INFO L854 garLoopResultBuilder]: At program point L651(line 651) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 (_ bv1 32)))) (let ((.cse1 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (and .cse5 (= |timeShift_processEnvironment_~tmp~5#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|))) (.cse2 (not .cse5)) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 (not (= ~systemActive~0 (_ bv0 32)))) (or .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse0 .cse4) (or .cse2 .cse0 (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse4) (or .cse2 .cse3 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32))))))) [2022-01-10 06:35:51,766 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 602 628) no Hoare annotation was computed. [2022-01-10 06:35:51,766 INFO L854 garLoopResultBuilder]: At program point L899(lines 892 901) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (and (= (_ bv0 32) ~pumpRunning~0) .cse6)) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse6)) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse3) (or .cse2 (not (= ~systemActive~0 (_ bv0 32))) .cse3) (or .cse0 .cse1 .cse4 .cse5) (or .cse1 .cse4 .cse5 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32))))))) [2022-01-10 06:35:51,766 INFO L854 garLoopResultBuilder]: At program point L767(lines 752 770) the Hoare annotation is: (let ((.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4)) (or .cse2 (not (= ~systemActive~0 (_ bv0 32)))) (or .cse0 .cse1 .cse5) (or (and (= |timeShift_isHighWaterLevel_#res#1| (_ bv0 32)) (= (_ bv0 32) |timeShift_isHighWaterLevel_~tmp___0~1#1|) .cse3 .cse4) .cse1 .cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse1 .cse5 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))))) [2022-01-10 06:35:51,766 INFO L854 garLoopResultBuilder]: At program point L656(line 656) the Hoare annotation is: (let ((.cse1 (= (bvadd ~waterLevel~0 (_ bv1 32)) |old(~waterLevel~0)|)) (.cse4 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))) (.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse7 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse8 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (and .cse5 .cse6 (not (= ~waterLevel~0 (_ bv3 32))) (= ~waterLevel~0 |old(~waterLevel~0)|)) .cse0 (and .cse5 .cse1 .cse6) .cse3 .cse4) (or .cse7 (not (= ~systemActive~0 (_ bv0 32)))) (or .cse0 .cse7 .cse2) (or .cse8 .cse0 .cse7) (or .cse8 .cse0 (and .cse5 .cse6 (= ~waterLevel~0 (_ bv1 32))) .cse3))) [2022-01-10 06:35:51,767 INFO L854 garLoopResultBuilder]: At program point L912(line 912) the Hoare annotation is: (let ((.cse12 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= (bvadd ~waterLevel~0 (_ bv1 32)) |old(~waterLevel~0)|)) (.cse13 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse14 (= ~waterLevel~0 |timeShift___utac_acc__Specification5_spec__3_~tmp~8#1|)) (.cse15 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|)) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse4 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))) (.cse8 (not (= |timeShift_getWaterLevel_#res#1| (_ bv2 32)))) (.cse9 (= (_ bv0 32) ~pumpRunning~0)) (.cse10 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse7 (= (_ bv3 32) |old(~waterLevel~0)|)) (.cse16 (not (= (_ bv2 32) |timeShift___utac_acc__Specification5_spec__3_~tmp~8#1|))) (.cse5 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse6 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse11 (not (= ~systemActive~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6) (or .cse6 (and (or .cse7 .cse8) .cse9 .cse10) .cse11) (or .cse5 .cse0 .cse3 (and .cse12 .cse13 .cse14 (= ~waterLevel~0 (_ bv1 32)) .cse15)) (or .cse0 (and .cse8 .cse12 .cse13 .cse16 (not (= ~waterLevel~0 (_ bv3 32))) .cse10) (and (not (= ~waterLevel~0 (_ bv2 32))) .cse12 .cse1 .cse13 .cse14 .cse15) .cse3 .cse4) (or (and .cse8 .cse16 .cse9 .cse10) .cse0 .cse6 .cse2) (or .cse7 .cse6 .cse16 .cse11) (or .cse5 .cse6 .cse11))) [2022-01-10 06:35:51,767 INFO L854 garLoopResultBuilder]: At program point L656-1(lines 637 661) the Hoare annotation is: (let ((.cse9 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse4 (= (bvadd ~waterLevel~0 (_ bv1 32)) |old(~waterLevel~0)|)) (.cse6 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))) (.cse3 (and (= (_ bv0 32) ~pumpRunning~0) .cse9)) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse10 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse8 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse5 .cse6) (or (and .cse7 .cse8 (not (= ~waterLevel~0 (_ bv3 32))) .cse9) .cse0 (and .cse7 .cse4 .cse8) .cse5 .cse6) (or .cse10 .cse0 .cse1 (and (= (_ bv1 32) ~pumpRunning~0) .cse9) .cse3) (or .cse1 (not (= ~systemActive~0 (_ bv0 32)))) (or .cse10 .cse0 (and .cse7 .cse8 (= ~waterLevel~0 (_ bv1 32))) .cse5)))) [2022-01-10 06:35:51,767 INFO L858 garLoopResultBuilder]: For program point L912-1(line 912) no Hoare annotation was computed. [2022-01-10 06:35:51,767 INFO L858 garLoopResultBuilder]: For program point L871(lines 871 877) no Hoare annotation was computed. [2022-01-10 06:35:51,767 INFO L854 garLoopResultBuilder]: At program point L863(lines 858 866) the Hoare annotation is: (let ((.cse2 (= |timeShift_getWaterLevel_#res#1| (_ bv2 32))) (.cse15 (= (_ bv2 32) |old(~waterLevel~0)|))) (let ((.cse0 (not .cse15)) (.cse8 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (= (bvadd ~waterLevel~0 (_ bv1 32)) |old(~waterLevel~0)|)) (.cse11 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse12 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|)) (.cse9 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))) (.cse13 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse14 (not .cse2)) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse7 (not (= (_ bv1 32) |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4) .cse5 (and (= (_ bv1 32) ~pumpRunning~0) .cse2 .cse4)) (or .cse1 .cse6 .cse7 .cse8 .cse9) (or .cse0 .cse1 (and .cse10 .cse11 (= ~waterLevel~0 (_ bv1 32)) .cse12) .cse8) (or .cse5 .cse13 (and .cse3 .cse4)) (or .cse0 .cse2 .cse5 .cse13) (or .cse1 (and .cse14 .cse10 .cse11 (not (= ~waterLevel~0 (_ bv3 32))) .cse4) .cse8 (and .cse10 .cse6 .cse11 .cse12) .cse9) (or (= (_ bv3 32) |old(~waterLevel~0)|) .cse14 .cse5 .cse15 .cse13) (or .cse1 .cse5 (and .cse14 .cse3 .cse4) .cse7)))) [2022-01-10 06:35:51,767 INFO L854 garLoopResultBuilder]: At program point L876(lines 867 880) the Hoare annotation is: (let ((.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse5 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4)) (or .cse2 (not (= ~systemActive~0 (_ bv0 32)))) (or .cse0 .cse1 .cse5) (or .cse1 .cse2 (and (= (_ bv1 32) |timeShift_isHighWaterSensorDry_#res#1|) .cse3 .cse4) (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse1 .cse5 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))))) [2022-01-10 06:35:51,767 INFO L858 garLoopResultBuilder]: For program point L971(line 971) no Hoare annotation was computed. [2022-01-10 06:35:51,767 INFO L858 garLoopResultBuilder]: For program point L616-1(lines 616 622) no Hoare annotation was computed. [2022-01-10 06:35:51,767 INFO L858 garLoopResultBuilder]: For program point L678(lines 678 684) no Hoare annotation was computed. [2022-01-10 06:35:51,767 INFO L858 garLoopResultBuilder]: For program point L645(lines 645 653) no Hoare annotation was computed. [2022-01-10 06:35:51,767 INFO L854 garLoopResultBuilder]: At program point L678-2(lines 671 687) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (let ((.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse2 (and (= (_ bv1 32) ~pumpRunning~0) .cse3) (and (= (_ bv0 32) ~pumpRunning~0) .cse3))) (or .cse2 (not (= ~systemActive~0 (_ bv0 32)))) (or .cse1 .cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse4) (or .cse1 .cse4 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))))) [2022-01-10 06:35:51,767 INFO L854 garLoopResultBuilder]: At program point L897(line 897) the Hoare annotation is: (let ((.cse5 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (and (= (_ bv0 32) ~pumpRunning~0) .cse5)) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse3) (or .cse2 (not (= ~systemActive~0 (_ bv0 32))) .cse3) (or .cse0 (and .cse4 .cse5) .cse1 .cse6) (or .cse1 (and .cse4 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse5) .cse6 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32))))))) [2022-01-10 06:35:51,767 INFO L858 garLoopResultBuilder]: For program point L641(lines 641 658) no Hoare annotation was computed. [2022-01-10 06:35:51,767 INFO L858 garLoopResultBuilder]: For program point L897-1(line 897) no Hoare annotation was computed. [2022-01-10 06:35:51,768 INFO L854 garLoopResultBuilder]: At program point L831(lines 826 834) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 (and (= (_ bv0 32) ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse2 (not (= ~systemActive~0 (_ bv0 32)))) (or .cse1 .cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse3) (or .cse1 .cse3 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))))) [2022-01-10 06:35:51,768 INFO L854 garLoopResultBuilder]: At program point L703(lines 696 706) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 (and (= (_ bv0 32) ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse2 (not (= ~systemActive~0 (_ bv0 32)))) (or .cse1 .cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse3) (or .cse1 .cse3 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))))) [2022-01-10 06:35:51,768 INFO L858 garLoopResultBuilder]: For program point L794(lines 794 798) no Hoare annotation was computed. [2022-01-10 06:35:51,768 INFO L858 garLoopResultBuilder]: For program point L761(lines 761 765) no Hoare annotation was computed. [2022-01-10 06:35:51,768 INFO L854 garLoopResultBuilder]: At program point L794-2(lines 790 801) the Hoare annotation is: (let ((.cse1 (= (bvadd ~waterLevel~0 (_ bv1 32)) |old(~waterLevel~0)|)) (.cse4 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))) (.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse7 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse8 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (and .cse5 .cse6 (not (= ~waterLevel~0 (_ bv3 32))) (= ~waterLevel~0 |old(~waterLevel~0)|)) .cse0 (and .cse5 .cse1 .cse6) .cse3 .cse4) (or .cse7 (not (= ~systemActive~0 (_ bv0 32)))) (or .cse0 .cse7 .cse2) (or .cse8 .cse0 .cse7) (or .cse8 .cse0 (and .cse5 .cse6 (= ~waterLevel~0 (_ bv1 32))) .cse3))) [2022-01-10 06:35:51,768 INFO L858 garLoopResultBuilder]: For program point L761-2(lines 761 765) no Hoare annotation was computed. [2022-01-10 06:35:51,768 INFO L858 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2022-01-10 06:35:51,768 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 602 628) the Hoare annotation is: (let ((.cse5 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (and (= (_ bv0 32) ~pumpRunning~0) .cse5)) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse3) (or .cse2 (not (= ~systemActive~0 (_ bv0 32))) .cse3) (or .cse0 (and .cse4 .cse5) .cse1 .cse6) (or .cse1 (and .cse4 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse5) .cse6 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32))))))) [2022-01-10 06:35:51,768 INFO L858 garLoopResultBuilder]: For program point L910(lines 910 927) no Hoare annotation was computed. [2022-01-10 06:35:51,768 INFO L854 garLoopResultBuilder]: At program point L910-1(lines 902 930) the Hoare annotation is: (let ((.cse18 (= (_ bv0 32) ~pumpRunning~0)) (.cse19 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (= (_ bv2 32) |old(~waterLevel~0)|)) (.cse21 (= (_ bv2 32) |timeShift___utac_acc__Specification5_spec__3_~tmp~8#1|)) (.cse20 (= |timeShift_getWaterLevel_#res#1| (_ bv2 32)))) (let ((.cse6 (= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~2#1| ~pumpRunning~0)) (.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv1 32)))) (.cse12 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= (bvadd ~waterLevel~0 (_ bv1 32)) |old(~waterLevel~0)|)) (.cse13 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse14 (= ~waterLevel~0 |timeShift___utac_acc__Specification5_spec__3_~tmp~8#1|)) (.cse15 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|)) (.cse4 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))) (.cse5 (= (_ bv3 32) |old(~waterLevel~0)|)) (.cse16 (not .cse20)) (.cse17 (not .cse21)) (.cse9 (not (= ~systemActive~0 (_ bv0 32)))) (.cse10 (not .cse8)) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse7 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse11 (and .cse20 .cse21 .cse18 .cse19))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse9) (or .cse10 .cse7 .cse9 .cse11) (or .cse5 .cse6 .cse0 .cse3 .cse4) (or .cse10 .cse0 (and .cse6 .cse12 .cse13 .cse14 (= ~waterLevel~0 (_ bv1 32)) .cse15) .cse3) (or .cse0 (and .cse6 .cse16 .cse17 .cse18 .cse19) .cse7 .cse2) (or .cse0 (and .cse16 .cse12 .cse13 .cse17 (not (= ~waterLevel~0 (_ bv3 32))) .cse19) .cse3 (and .cse12 .cse1 .cse13 .cse14 .cse15) .cse4) (or .cse7 (and (or (and .cse5 .cse19) (and .cse16 .cse17 .cse19)) .cse18) .cse8 .cse9) (or .cse10 .cse0 .cse7 (and (= (_ bv1 32) ~pumpRunning~0) .cse20 .cse21 .cse19) .cse11)))) [2022-01-10 06:35:51,768 INFO L854 garLoopResultBuilder]: At program point L972(lines 967 974) the Hoare annotation is: (let ((.cse2 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv1 32))))) (and (or .cse0 (not (= ~systemActive~0 (_ bv0 32)))) (or .cse1 .cse0 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse2 .cse1 .cse3) (or .cse2 .cse1 .cse0) (or .cse1 .cse3 (not (= |old(~switchedOnBeforeTS~0)| (_ bv1 32)))))) [2022-01-10 06:35:51,768 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 602 628) no Hoare annotation was computed. [2022-01-10 06:35:51,768 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 971) no Hoare annotation was computed. [2022-01-10 06:35:51,768 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 418 447) no Hoare annotation was computed. [2022-01-10 06:35:51,769 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 418 447) the Hoare annotation is: true [2022-01-10 06:35:51,769 INFO L861 garLoopResultBuilder]: At program point L443(lines 418 447) the Hoare annotation is: true [2022-01-10 06:35:51,769 INFO L858 garLoopResultBuilder]: For program point L439(line 439) no Hoare annotation was computed. [2022-01-10 06:35:51,769 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 436) no Hoare annotation was computed. [2022-01-10 06:35:51,769 INFO L861 garLoopResultBuilder]: At program point L432-1(lines 432 436) the Hoare annotation is: true [2022-01-10 06:35:51,769 INFO L858 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2022-01-10 06:35:51,769 INFO L861 garLoopResultBuilder]: At program point L428-2(lines 428 442) the Hoare annotation is: true [2022-01-10 06:35:51,769 INFO L861 garLoopResultBuilder]: At program point L424(line 424) the Hoare annotation is: true [2022-01-10 06:35:51,769 INFO L858 garLoopResultBuilder]: For program point L424-1(line 424) no Hoare annotation was computed. [2022-01-10 06:35:51,769 INFO L858 garLoopResultBuilder]: For program point L543(lines 543 549) no Hoare annotation was computed. [2022-01-10 06:35:51,769 INFO L858 garLoopResultBuilder]: For program point L543-1(lines 543 549) no Hoare annotation was computed. [2022-01-10 06:35:51,769 INFO L858 garLoopResultBuilder]: For program point L535(lines 535 539) no Hoare annotation was computed. [2022-01-10 06:35:51,769 INFO L854 garLoopResultBuilder]: At program point L783(lines 771 785) the Hoare annotation is: (and (= ~systemActive~0 (_ bv0 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:51,769 INFO L858 garLoopResultBuilder]: For program point L775(lines 775 781) no Hoare annotation was computed. [2022-01-10 06:35:51,769 INFO L858 garLoopResultBuilder]: For program point L775-2(lines 775 781) no Hoare annotation was computed. [2022-01-10 06:35:51,769 INFO L854 garLoopResultBuilder]: At program point L581(lines 532 582) the Hoare annotation is: false [2022-01-10 06:35:51,769 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 06:35:51,769 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 06:35:51,769 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 06:35:51,769 INFO L858 garLoopResultBuilder]: For program point L569(lines 569 575) no Hoare annotation was computed. [2022-01-10 06:35:51,769 INFO L854 garLoopResultBuilder]: At program point L569-2(lines 563 576) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse2) (and .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2) (and (= ~systemActive~0 (_ bv0 32)) .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3))) [2022-01-10 06:35:51,770 INFO L854 garLoopResultBuilder]: At program point L693(lines 688 695) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:51,770 INFO L858 garLoopResultBuilder]: For program point L553(lines 553 559) no Hoare annotation was computed. [2022-01-10 06:35:51,770 INFO L858 garLoopResultBuilder]: For program point L553-1(lines 553 559) no Hoare annotation was computed. [2022-01-10 06:35:51,770 INFO L854 garLoopResultBuilder]: At program point L962(lines 957 965) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:51,770 INFO L854 garLoopResultBuilder]: At program point L578(lines 533 580) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse2) (and .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2) (and (= ~systemActive~0 (_ bv0 32)) .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3))) [2022-01-10 06:35:51,772 INFO L854 garLoopResultBuilder]: At program point L545(line 545) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse2) (and .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2) (and (= ~systemActive~0 (_ bv0 32)) .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3))) [2022-01-10 06:35:51,773 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 06:35:51,773 INFO L854 garLoopResultBuilder]: At program point L479(lines 475 481) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:51,773 INFO L858 garLoopResultBuilder]: For program point L508(lines 508 515) no Hoare annotation was computed. [2022-01-10 06:35:51,773 INFO L854 garLoopResultBuilder]: At program point L954(lines 950 956) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:51,773 INFO L858 garLoopResultBuilder]: For program point L508-2(lines 508 515) no Hoare annotation was computed. [2022-01-10 06:35:51,773 INFO L861 garLoopResultBuilder]: At program point L492(lines 484 494) the Hoare annotation is: true [2022-01-10 06:35:51,773 INFO L861 garLoopResultBuilder]: At program point L517(lines 498 520) the Hoare annotation is: true [2022-01-10 06:35:51,773 INFO L854 garLoopResultBuilder]: At program point L889(lines 884 891) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:51,773 INFO L858 garLoopResultBuilder]: For program point L534(lines 533 580) no Hoare annotation was computed. [2022-01-10 06:35:51,774 INFO L854 garLoopResultBuilder]: At program point L947(lines 943 949) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:51,774 INFO L858 garLoopResultBuilder]: For program point L563(lines 563 576) no Hoare annotation was computed. [2022-01-10 06:35:51,774 INFO L854 garLoopResultBuilder]: At program point L555(line 555) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse2) (and .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2) (and (= ~systemActive~0 (_ bv0 32)) .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3))) [2022-01-10 06:35:51,774 INFO L861 garLoopResultBuilder]: At program point L584(lines 523 588) the Hoare annotation is: true [2022-01-10 06:35:51,774 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 802 813) no Hoare annotation was computed. [2022-01-10 06:35:51,774 INFO L858 garLoopResultBuilder]: For program point L806-1(lines 802 813) no Hoare annotation was computed. [2022-01-10 06:35:51,774 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 802 813) the Hoare annotation is: (let ((.cse2 (not (= (_ bv1 32) ~pumpRunning~0))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse4 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse3) (or .cse1 (not (= ~switchedOnBeforeTS~0 (_ bv1 32))) .cse2 .cse3) (or .cse4 (not (= ~systemActive~0 (_ bv0 32))) .cse3) (or .cse0 .cse4 .cse1 .cse3))) [2022-01-10 06:35:51,774 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 707 715) no Hoare annotation was computed. [2022-01-10 06:35:51,775 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 707 715) the Hoare annotation is: true [2022-01-10 06:35:51,775 INFO L858 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 707 715) no Hoare annotation was computed. [2022-01-10 06:35:51,777 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:35:51,778 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 06:35:51,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:35:51 BoogieIcfgContainer [2022-01-10 06:35:51,818 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 06:35:51,818 INFO L158 Benchmark]: Toolchain (without parser) took 16963.29ms. Allocated memory was 203.4MB in the beginning and 307.2MB in the end (delta: 103.8MB). Free memory was 150.8MB in the beginning and 148.7MB in the end (delta: 2.1MB). Peak memory consumption was 158.3MB. Max. memory is 8.0GB. [2022-01-10 06:35:51,818 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 203.4MB. Free memory is still 168.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 06:35:51,819 INFO L158 Benchmark]: CACSL2BoogieTranslator took 486.86ms. Allocated memory is still 203.4MB. Free memory was 150.6MB in the beginning and 165.3MB in the end (delta: -14.7MB). Peak memory consumption was 4.6MB. Max. memory is 8.0GB. [2022-01-10 06:35:51,819 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.53ms. Allocated memory is still 203.4MB. Free memory was 165.3MB in the beginning and 162.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 06:35:51,819 INFO L158 Benchmark]: Boogie Preprocessor took 19.65ms. Allocated memory is still 203.4MB. Free memory was 162.8MB in the beginning and 161.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 06:35:51,820 INFO L158 Benchmark]: RCFGBuilder took 409.69ms. Allocated memory is still 203.4MB. Free memory was 161.1MB in the beginning and 143.7MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-01-10 06:35:51,820 INFO L158 Benchmark]: TraceAbstraction took 15986.08ms. Allocated memory was 203.4MB in the beginning and 307.2MB in the end (delta: 103.8MB). Free memory was 143.3MB in the beginning and 148.7MB in the end (delta: -5.4MB). Peak memory consumption was 150.7MB. Max. memory is 8.0GB. [2022-01-10 06:35:51,822 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 203.4MB. Free memory is still 168.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 486.86ms. Allocated memory is still 203.4MB. Free memory was 150.6MB in the beginning and 165.3MB in the end (delta: -14.7MB). Peak memory consumption was 4.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.53ms. Allocated memory is still 203.4MB. Free memory was 165.3MB in the beginning and 162.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.65ms. Allocated memory is still 203.4MB. Free memory was 162.8MB in the beginning and 161.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 409.69ms. Allocated memory is still 203.4MB. Free memory was 161.1MB in the beginning and 143.7MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 15986.08ms. Allocated memory was 203.4MB in the beginning and 307.2MB in the end (delta: 103.8MB). Free memory was 143.3MB in the beginning and 148.7MB in the end (delta: -5.4MB). Peak memory consumption was 150.7MB. 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: 971]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 88 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.9s, OverallIterations: 14, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2214 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2181 mSDsluCounter, 5904 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4272 mSDsCounter, 511 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1930 IncrementalHoareTripleChecker+Invalid, 2441 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 511 mSolverCounterUnsat, 1632 mSDtfsCounter, 1930 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1601 GetRequests, 1483 SyntacticMatches, 1 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 644 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1661occurred in iteration=12, InterpolantAutomatonStates: 120, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 495 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 3256 PreInvPairs, 3426 NumberOfFragments, 2373 HoareAnnotationTreeSize, 3256 FomulaSimplifications, 6291 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 41 FomulaSimplificationsInter, 14503 FormulaSimplificationTreeSizeReductionInter, 5.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 1126 NumberOfCodeBlocks, 1126 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1522 ConstructedInterpolants, 0 QuantifiedInterpolants, 3350 SizeOfPredicates, 24 NumberOfNonLiveVariables, 3229 ConjunctsInSsa, 73 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 1139/1255 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: 884]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 771]: Loop Invariant Derived loop invariant: (systemActive == 0bv32 && splverifierCounter == 0bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 967]: 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) == 1bv32))) && ((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32))) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 1bv32)) || !(\old(switchedOnBeforeTS) == 1bv32)) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: ((((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel))) && (!(\old(pumpRunning) == 0bv32) || !(systemActive == 0bv32))) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel)))) && ((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 1bv32)) || !(\old(switchedOnBeforeTS) == 1bv32)) - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: ((((((1bv32 == pumpRunning && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && splverifierCounter == 0bv32) || (((systemActive == 1bv32 && waterLevel == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || (((1bv32 == pumpRunning && waterLevel == 2bv32) && systemActive == 1bv32) && splverifierCounter == 0bv32)) || ((systemActive == 0bv32 && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || (((waterLevel == 2bv32 && systemActive == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: ((((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel))) && (!(\old(pumpRunning) == 0bv32) || !(systemActive == 0bv32))) && ((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || ((1bv32 == \result && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(1bv32 == \old(waterLevel)))) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 1bv32)) || !(\old(switchedOnBeforeTS) == 1bv32)) - InvariantResult [Line: 637]: Loop Invariant Derived loop invariant: (((((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel))) && ((((!(systemActive == 1bv32) || ~bvadd16(waterLevel, 1bv32) == \old(waterLevel)) || !(1bv32 == \old(waterLevel))) || !(\old(pumpRunning) == 1bv32)) || !(\old(switchedOnBeforeTS) == 1bv32))) && (((((((\old(pumpRunning) == pumpRunning && switchedOnBeforeTS == 1bv32) && !(waterLevel == 3bv32)) && waterLevel == \old(waterLevel)) || !(systemActive == 1bv32)) || ((\old(pumpRunning) == pumpRunning && ~bvadd16(waterLevel, 1bv32) == \old(waterLevel)) && switchedOnBeforeTS == 1bv32)) || !(\old(pumpRunning) == 1bv32)) || !(\old(switchedOnBeforeTS) == 1bv32))) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || (1bv32 == pumpRunning && waterLevel == \old(waterLevel))) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel)))) && (!(\old(pumpRunning) == 0bv32) || !(systemActive == 0bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || ((\old(pumpRunning) == pumpRunning && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32)) || !(\old(pumpRunning) == 1bv32)) - InvariantResult [Line: 943]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 484]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: (!(systemActive == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: ((((((((!(systemActive == 1bv32) || ~bvadd16(waterLevel, 1bv32) == \old(waterLevel)) || !(1bv32 == \old(waterLevel))) || !(\old(pumpRunning) == 1bv32)) || !(\old(switchedOnBeforeTS) == 1bv32)) && (((((((\old(pumpRunning) == pumpRunning && switchedOnBeforeTS == 1bv32) && !(waterLevel == 3bv32)) && waterLevel == \old(waterLevel)) || !(systemActive == 1bv32)) || ((\old(pumpRunning) == pumpRunning && ~bvadd16(waterLevel, 1bv32) == \old(waterLevel)) && switchedOnBeforeTS == 1bv32)) || !(\old(pumpRunning) == 1bv32)) || !(\old(switchedOnBeforeTS) == 1bv32))) && (!(\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)) || ((\old(pumpRunning) == pumpRunning && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32)) || !(\old(pumpRunning) == 1bv32)) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: ((((((((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || ((\result == 2bv32 && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(\old(pumpRunning) == 0bv32)) || ((1bv32 == pumpRunning && \result == 2bv32) && waterLevel == \old(waterLevel))) && ((((!(systemActive == 1bv32) || ~bvadd16(waterLevel, 1bv32) == \old(waterLevel)) || !(1bv32 == \old(waterLevel))) || !(\old(pumpRunning) == 1bv32)) || !(\old(switchedOnBeforeTS) == 1bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || (((\old(pumpRunning) == pumpRunning && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && waterLevel == \result)) || !(\old(pumpRunning) == 1bv32))) && ((!(\old(pumpRunning) == 0bv32) || !(systemActive == 0bv32)) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel)))) && (((!(2bv32 == \old(waterLevel)) || \result == 2bv32) || !(\old(pumpRunning) == 0bv32)) || !(systemActive == 0bv32))) && ((((!(systemActive == 1bv32) || ((((!(\result == 2bv32) && \old(pumpRunning) == pumpRunning) && switchedOnBeforeTS == 1bv32) && !(waterLevel == 3bv32)) && waterLevel == \old(waterLevel))) || !(\old(pumpRunning) == 1bv32)) || (((\old(pumpRunning) == pumpRunning && ~bvadd16(waterLevel, 1bv32) == \old(waterLevel)) && switchedOnBeforeTS == 1bv32) && waterLevel == \result)) || !(\old(switchedOnBeforeTS) == 1bv32))) && ((((3bv32 == \old(waterLevel) || !(\result == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || 2bv32 == \old(waterLevel)) || !(systemActive == 0bv32))) && (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || ((!(\result == 2bv32) && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(1bv32 == \old(waterLevel))) - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: ((((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel))) && (((!(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)) || !(systemActive == 1bv32)) || ((\old(pumpRunning) == pumpRunning && switchedOnBeforeTS == 1bv32) && waterLevel == \old(waterLevel))) || !(\old(pumpRunning) == 1bv32))) && (((!(systemActive == 1bv32) || ((\old(pumpRunning) == pumpRunning && switchedOnBeforeTS == 1bv32) && waterLevel == \old(waterLevel))) || !(\old(pumpRunning) == 1bv32)) || !(\old(switchedOnBeforeTS) == 1bv32)) - InvariantResult [Line: 957]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: (((((((((((!(systemActive == 1bv32) || ~bvadd16(waterLevel, 1bv32) == \old(waterLevel)) || !(1bv32 == \old(waterLevel))) || !(\old(pumpRunning) == 1bv32)) || !(\old(switchedOnBeforeTS) == 1bv32)) && ((((3bv32 == \old(waterLevel) || tmp___0 == pumpRunning) || !(\old(pumpRunning) == 0bv32)) || 2bv32 == \old(waterLevel)) || !(systemActive == 0bv32))) && (((!(2bv32 == \old(waterLevel)) || !(\old(pumpRunning) == 0bv32)) || !(systemActive == 0bv32)) || (((\result == 2bv32 && 2bv32 == tmp) && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel)))) && ((((3bv32 == \old(waterLevel) || tmp___0 == pumpRunning) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 1bv32)) || !(\old(switchedOnBeforeTS) == 1bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || (((((tmp___0 == pumpRunning && \old(pumpRunning) == pumpRunning) && switchedOnBeforeTS == 1bv32) && waterLevel == tmp) && waterLevel == 1bv32) && waterLevel == \result)) || !(\old(pumpRunning) == 1bv32))) && (((!(systemActive == 1bv32) || ((((tmp___0 == pumpRunning && !(\result == 2bv32)) && !(2bv32 == tmp)) && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel)))) && ((((!(systemActive == 1bv32) || (((((!(\result == 2bv32) && \old(pumpRunning) == pumpRunning) && switchedOnBeforeTS == 1bv32) && !(2bv32 == tmp)) && !(waterLevel == 3bv32)) && waterLevel == \old(waterLevel))) || !(\old(pumpRunning) == 1bv32)) || ((((\old(pumpRunning) == pumpRunning && ~bvadd16(waterLevel, 1bv32) == \old(waterLevel)) && switchedOnBeforeTS == 1bv32) && waterLevel == tmp) && waterLevel == \result)) || !(\old(switchedOnBeforeTS) == 1bv32))) && (((!(\old(pumpRunning) == 0bv32) || (((3bv32 == \old(waterLevel) && waterLevel == \old(waterLevel)) || ((!(\result == 2bv32) && !(2bv32 == tmp)) && waterLevel == \old(waterLevel))) && 0bv32 == pumpRunning)) || 2bv32 == \old(waterLevel)) || !(systemActive == 0bv32))) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || (((1bv32 == pumpRunning && \result == 2bv32) && 2bv32 == tmp) && waterLevel == \old(waterLevel))) || (((\result == 2bv32 && 2bv32 == tmp) && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: ((((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel))) && (!(\old(pumpRunning) == 0bv32) || !(systemActive == 0bv32))) && ((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && ((((((\result == 0bv32 && 0bv32 == tmp___0) && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel)))) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 1bv32)) || !(\old(switchedOnBeforeTS) == 1bv32)) - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: ((((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || (1bv32 == pumpRunning && waterLevel == \old(waterLevel))) && (!(\old(pumpRunning) == 0bv32) || !(systemActive == 0bv32))) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel)))) && ((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 1bv32)) || !(\old(switchedOnBeforeTS) == 1bv32)) - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: (((((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || (1bv32 == pumpRunning && waterLevel == \old(waterLevel))) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel))) && (!(\old(pumpRunning) == 0bv32) || !(systemActive == 0bv32))) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel)))) && ((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 1bv32)) || !(\old(switchedOnBeforeTS) == 1bv32)) - InvariantResult [Line: 475]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: ((((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel))) && (!(\old(pumpRunning) == 0bv32) || !(systemActive == 0bv32))) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel)))) && ((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 1bv32))) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 1bv32)) || !(\old(switchedOnBeforeTS) == 1bv32)) RESULT: Ultimate proved your program to be correct! [2022-01-10 06:35:51,877 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...