/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_spec2_product50.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 06:33:12,418 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 06:33:12,419 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 06:33:12,444 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 06:33:12,444 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 06:33:12,445 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 06:33:12,446 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 06:33:12,449 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 06:33:12,450 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 06:33:12,451 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 06:33:12,451 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 06:33:12,489 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 06:33:12,490 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 06:33:12,490 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 06:33:12,491 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 06:33:12,492 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 06:33:12,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 06:33:12,493 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 06:33:12,494 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 06:33:12,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 06:33:12,502 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 06:33:12,506 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 06:33:12,507 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 06:33:12,507 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 06:33:12,509 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 06:33:12,509 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 06:33:12,509 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 06:33:12,510 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 06:33:12,510 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 06:33:12,511 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 06:33:12,511 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 06:33:12,512 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 06:33:12,512 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 06:33:12,513 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 06:33:12,513 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 06:33:12,514 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 06:33:12,514 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 06:33:12,514 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 06:33:12,515 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 06:33:12,515 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 06:33:12,516 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 06:33:12,521 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-01-10 06:33:12,550 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 06:33:12,550 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 06:33:12,550 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 06:33:12,550 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 06:33:12,551 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 06:33:12,551 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 06:33:12,552 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 06:33:12,552 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 06:33:12,552 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 06:33:12,552 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 06:33:12,553 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 06:33:12,553 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 06:33:12,553 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 06:33:12,553 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 06:33:12,553 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 06:33:12,553 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 06:33:12,553 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 06:33:12,553 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 06:33:12,553 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 06:33:12,554 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 06:33:12,554 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 06:33:12,554 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 06:33:12,554 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 06:33:12,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:33:12,555 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 06:33:12,555 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 06:33:12,555 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 06:33:12,556 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 06:33:12,556 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 06:33:12,556 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 06:33:12,556 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 06:33:12,556 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 06:33:12,556 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 06:33:12,556 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 06:33:12,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 06:33:12,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 06:33:12,741 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 06:33:12,742 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 06:33:12,742 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 06:33:12,743 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product50.cil.c [2022-01-10 06:33:12,793 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cf4711ce/e0766938cdd64f1088c8655aeb17f8b9/FLAGe1a856b6d [2022-01-10 06:33:13,189 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 06:33:13,189 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product50.cil.c [2022-01-10 06:33:13,197 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cf4711ce/e0766938cdd64f1088c8655aeb17f8b9/FLAGe1a856b6d [2022-01-10 06:33:13,205 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cf4711ce/e0766938cdd64f1088c8655aeb17f8b9 [2022-01-10 06:33:13,207 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 06:33:13,208 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 06:33:13,209 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 06:33:13,209 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 06:33:13,213 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 06:33:13,213 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:33:13" (1/1) ... [2022-01-10 06:33:13,214 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cf795bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:13, skipping insertion in model container [2022-01-10 06:33:13,214 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:33:13" (1/1) ... [2022-01-10 06:33:13,230 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 06:33:13,260 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:33:13,485 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_spec2_product50.cil.c[18939,18952] [2022-01-10 06:33:13,487 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:33:13,502 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 06:33:13,514 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:33:13,591 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_spec2_product50.cil.c[18939,18952] [2022-01-10 06:33:13,591 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:33:13,595 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 06:33:13,656 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_spec2_product50.cil.c[18939,18952] [2022-01-10 06:33:13,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:33:13,671 INFO L208 MainTranslator]: Completed translation [2022-01-10 06:33:13,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:13 WrapperNode [2022-01-10 06:33:13,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 06:33:13,672 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 06:33:13,672 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 06:33:13,672 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 06:33:13,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:13" (1/1) ... [2022-01-10 06:33:13,694 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:13" (1/1) ... [2022-01-10 06:33:13,721 INFO L137 Inliner]: procedures = 59, calls = 156, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 251 [2022-01-10 06:33:13,722 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 06:33:13,722 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 06:33:13,722 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 06:33:13,723 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 06:33:13,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:13" (1/1) ... [2022-01-10 06:33:13,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:13" (1/1) ... [2022-01-10 06:33:13,731 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:13" (1/1) ... [2022-01-10 06:33:13,731 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:13" (1/1) ... [2022-01-10 06:33:13,740 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:13" (1/1) ... [2022-01-10 06:33:13,743 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:13" (1/1) ... [2022-01-10 06:33:13,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:13" (1/1) ... [2022-01-10 06:33:13,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 06:33:13,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 06:33:13,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 06:33:13,747 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 06:33:13,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:13" (1/1) ... [2022-01-10 06:33:13,753 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:33:13,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 06:33:13,773 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-10 06:33:13,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-10 06:33:13,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 06:33:13,807 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-01-10 06:33:13,807 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-01-10 06:33:13,808 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-01-10 06:33:13,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-01-10 06:33:13,809 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-01-10 06:33:13,809 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-01-10 06:33:13,809 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-01-10 06:33:13,809 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-01-10 06:33:13,809 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-01-10 06:33:13,809 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-01-10 06:33:13,809 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-01-10 06:33:13,809 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-01-10 06:33:13,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 06:33:13,810 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-01-10 06:33:13,810 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-01-10 06:33:13,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 06:33:13,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 06:33:13,862 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 06:33:13,863 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 06:33:14,052 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 06:33:14,057 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 06:33:14,057 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-10 06:33:14,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:33:14 BoogieIcfgContainer [2022-01-10 06:33:14,058 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 06:33:14,059 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 06:33:14,059 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 06:33:14,062 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 06:33:14,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:33:13" (1/3) ... [2022-01-10 06:33:14,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@197a0d19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:33:14, skipping insertion in model container [2022-01-10 06:33:14,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:33:13" (2/3) ... [2022-01-10 06:33:14,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@197a0d19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:33:14, skipping insertion in model container [2022-01-10 06:33:14,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:33:14" (3/3) ... [2022-01-10 06:33:14,064 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product50.cil.c [2022-01-10 06:33:14,067 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 06:33:14,067 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 06:33:14,099 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 06:33:14,103 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-10 06:33:14,104 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 06:33:14,121 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 69 states have (on average 1.391304347826087) internal successors, (96), 77 states have internal predecessors, (96), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-01-10 06:33:14,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-01-10 06:33:14,126 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:14,126 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:14,126 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:14,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:14,130 INFO L85 PathProgramCache]: Analyzing trace with hash 778842968, now seen corresponding path program 1 times [2022-01-10 06:33:14,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:14,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [860382708] [2022-01-10 06:33:14,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:14,142 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:14,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:14,145 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:14,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-01-10 06:33:14,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:14,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 1 conjunts are in the unsatisfiable core [2022-01-10 06:33:14,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:14,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:14,353 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:14,354 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:14,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [860382708] [2022-01-10 06:33:14,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [860382708] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:14,354 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:14,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:33:14,356 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277766759] [2022-01-10 06:33:14,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:14,359 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 06:33:14,359 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:14,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 06:33:14,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:33:14,386 INFO L87 Difference]: Start difference. First operand has 89 states, 69 states have (on average 1.391304347826087) internal successors, (96), 77 states have internal predecessors, (96), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:14,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:14,431 INFO L93 Difference]: Finished difference Result 169 states and 230 transitions. [2022-01-10 06:33:14,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 06:33:14,432 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-01-10 06:33:14,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:14,443 INFO L225 Difference]: With dead ends: 169 [2022-01-10 06:33:14,443 INFO L226 Difference]: Without dead ends: 80 [2022-01-10 06:33:14,446 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:33:14,449 INFO L933 BasicCegarLoop]: 112 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, 112 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:14,450 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:14,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-01-10 06:33:14,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2022-01-10 06:33:14,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 62 states have (on average 1.3225806451612903) internal successors, (82), 69 states have internal predecessors, (82), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2022-01-10 06:33:14,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 103 transitions. [2022-01-10 06:33:14,500 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 103 transitions. Word has length 25 [2022-01-10 06:33:14,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:14,501 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 103 transitions. [2022-01-10 06:33:14,501 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:14,501 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 103 transitions. [2022-01-10 06:33:14,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-01-10 06:33:14,505 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:14,506 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:14,518 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:14,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:14,713 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:14,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:14,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1591426498, now seen corresponding path program 1 times [2022-01-10 06:33:14,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:14,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1831042913] [2022-01-10 06:33:14,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:14,720 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:14,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:14,721 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:14,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-01-10 06:33:14,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:14,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:33:14,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:14,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:14,887 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:14,887 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:14,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1831042913] [2022-01-10 06:33:14,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1831042913] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:14,887 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:14,888 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:33:14,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358296076] [2022-01-10 06:33:14,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:14,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:33:14,894 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:14,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:33:14,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:14,897 INFO L87 Difference]: Start difference. First operand 80 states and 103 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:14,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:14,922 INFO L93 Difference]: Finished difference Result 124 states and 160 transitions. [2022-01-10 06:33:14,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:33:14,923 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-01-10 06:33:14,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:14,924 INFO L225 Difference]: With dead ends: 124 [2022-01-10 06:33:14,924 INFO L226 Difference]: Without dead ends: 71 [2022-01-10 06:33:14,924 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:14,925 INFO L933 BasicCegarLoop]: 90 mSDtfsCounter, 13 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:14,926 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 163 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:14,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-01-10 06:33:14,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2022-01-10 06:33:14,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 56 states have (on average 1.3392857142857142) internal successors, (75), 63 states have internal predecessors, (75), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-01-10 06:33:14,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 91 transitions. [2022-01-10 06:33:14,931 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 91 transitions. Word has length 26 [2022-01-10 06:33:14,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:14,932 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 91 transitions. [2022-01-10 06:33:14,932 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:14,932 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 91 transitions. [2022-01-10 06:33:14,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-01-10 06:33:14,933 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:14,933 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:14,973 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:15,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:15,139 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:15,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:15,139 INFO L85 PathProgramCache]: Analyzing trace with hash 18143891, now seen corresponding path program 1 times [2022-01-10 06:33:15,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:15,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [476970147] [2022-01-10 06:33:15,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:15,140 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:15,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:15,142 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:15,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-01-10 06:33:15,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:15,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:33:15,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:15,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:15,268 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:15,268 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:15,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [476970147] [2022-01-10 06:33:15,269 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [476970147] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:15,269 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:15,269 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:33:15,269 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238822495] [2022-01-10 06:33:15,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:15,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:33:15,269 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:15,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:33:15,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:15,270 INFO L87 Difference]: Start difference. First operand 71 states and 91 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:15,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:15,285 INFO L93 Difference]: Finished difference Result 134 states and 175 transitions. [2022-01-10 06:33:15,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:33:15,285 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-01-10 06:33:15,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:15,286 INFO L225 Difference]: With dead ends: 134 [2022-01-10 06:33:15,286 INFO L226 Difference]: Without dead ends: 71 [2022-01-10 06:33:15,307 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:15,308 INFO L933 BasicCegarLoop]: 89 mSDtfsCounter, 85 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:15,308 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [85 Valid, 89 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:15,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-01-10 06:33:15,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2022-01-10 06:33:15,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 56 states have (on average 1.3214285714285714) internal successors, (74), 63 states have internal predecessors, (74), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-01-10 06:33:15,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 90 transitions. [2022-01-10 06:33:15,313 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 90 transitions. Word has length 31 [2022-01-10 06:33:15,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:15,314 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 90 transitions. [2022-01-10 06:33:15,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:33:15,314 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 90 transitions. [2022-01-10 06:33:15,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-01-10 06:33:15,315 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:15,315 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:15,323 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-01-10 06:33:15,540 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:33:15,542 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:15,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:15,543 INFO L85 PathProgramCache]: Analyzing trace with hash -26266963, now seen corresponding path program 1 times [2022-01-10 06:33:15,543 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:15,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [62414923] [2022-01-10 06:33:15,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:15,544 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:15,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:15,544 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:33:15,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-01-10 06:33:15,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:15,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-10 06:33:15,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:15,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:15,711 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:15,711 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:15,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [62414923] [2022-01-10 06:33:15,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [62414923] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:15,711 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:15,711 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:33:15,711 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791033403] [2022-01-10 06:33:15,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:15,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:33:15,712 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:15,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:33:15,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:33:15,712 INFO L87 Difference]: Start difference. First operand 71 states and 90 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-01-10 06:33:15,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:15,835 INFO L93 Difference]: Finished difference Result 206 states and 263 transitions. [2022-01-10 06:33:15,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 06:33:15,836 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 41 [2022-01-10 06:33:15,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:15,837 INFO L225 Difference]: With dead ends: 206 [2022-01-10 06:33:15,837 INFO L226 Difference]: Without dead ends: 143 [2022-01-10 06:33:15,837 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-01-10 06:33:15,838 INFO L933 BasicCegarLoop]: 134 mSDtfsCounter, 194 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:15,838 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [201 Valid, 316 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:33:15,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2022-01-10 06:33:15,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 137. [2022-01-10 06:33:15,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 107 states have (on average 1.280373831775701) internal successors, (137), 114 states have internal predecessors, (137), 14 states have call successors, (14), 12 states have call predecessors, (14), 15 states have return successors, (17), 15 states have call predecessors, (17), 14 states have call successors, (17) [2022-01-10 06:33:15,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 168 transitions. [2022-01-10 06:33:15,849 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 168 transitions. Word has length 41 [2022-01-10 06:33:15,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:15,849 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 168 transitions. [2022-01-10 06:33:15,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-01-10 06:33:15,850 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 168 transitions. [2022-01-10 06:33:15,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-01-10 06:33:15,850 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:15,851 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:15,857 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:16,060 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 06:33:16,060 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:16,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:16,061 INFO L85 PathProgramCache]: Analyzing trace with hash -970342054, now seen corresponding path program 1 times [2022-01-10 06:33:16,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:16,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [325289110] [2022-01-10 06:33:16,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:16,062 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:16,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:16,064 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 06:33:16,065 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 06:33:16,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:16,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:33:16,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:16,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:16,171 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:16,172 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:16,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [325289110] [2022-01-10 06:33:16,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [325289110] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:16,172 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:16,172 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 06:33:16,172 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522754523] [2022-01-10 06:33:16,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:16,172 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 06:33:16,172 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:16,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 06:33:16,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 06:33:16,173 INFO L87 Difference]: Start difference. First operand 137 states and 168 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-10 06:33:16,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:16,190 INFO L93 Difference]: Finished difference Result 277 states and 346 transitions. [2022-01-10 06:33:16,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 06:33:16,191 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2022-01-10 06:33:16,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:16,192 INFO L225 Difference]: With dead ends: 277 [2022-01-10 06:33:16,192 INFO L226 Difference]: Without dead ends: 148 [2022-01-10 06:33:16,192 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 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 06:33:16,193 INFO L933 BasicCegarLoop]: 89 mSDtfsCounter, 15 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:16,193 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 261 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:16,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2022-01-10 06:33:16,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 139. [2022-01-10 06:33:16,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 109 states have (on average 1.275229357798165) internal successors, (139), 116 states have internal predecessors, (139), 14 states have call successors, (14), 12 states have call predecessors, (14), 15 states have return successors, (17), 15 states have call predecessors, (17), 14 states have call successors, (17) [2022-01-10 06:33:16,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 170 transitions. [2022-01-10 06:33:16,202 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 170 transitions. Word has length 45 [2022-01-10 06:33:16,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:16,202 INFO L470 AbstractCegarLoop]: Abstraction has 139 states and 170 transitions. [2022-01-10 06:33:16,202 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-10 06:33:16,202 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 170 transitions. [2022-01-10 06:33:16,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-01-10 06:33:16,203 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:16,203 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:16,210 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:16,409 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 06:33:16,410 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:16,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:16,410 INFO L85 PathProgramCache]: Analyzing trace with hash 718601688, now seen corresponding path program 1 times [2022-01-10 06:33:16,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:16,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1894679456] [2022-01-10 06:33:16,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:16,411 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:16,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:16,412 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 06:33:16,414 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 06:33:16,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:16,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-10 06:33:16,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:16,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:16,525 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:16,525 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:16,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1894679456] [2022-01-10 06:33:16,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1894679456] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:16,525 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:16,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:33:16,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692946956] [2022-01-10 06:33:16,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:16,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:33:16,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:16,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:33:16,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:33:16,526 INFO L87 Difference]: Start difference. First operand 139 states and 170 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-10 06:33:16,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:16,552 INFO L93 Difference]: Finished difference Result 276 states and 342 transitions. [2022-01-10 06:33:16,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 06:33:16,552 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2022-01-10 06:33:16,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:16,553 INFO L225 Difference]: With dead ends: 276 [2022-01-10 06:33:16,553 INFO L226 Difference]: Without dead ends: 145 [2022-01-10 06:33:16,553 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 41 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 06:33:16,554 INFO L933 BasicCegarLoop]: 90 mSDtfsCounter, 10 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:16,554 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 352 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:16,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2022-01-10 06:33:16,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 142. [2022-01-10 06:33:16,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 112 states have (on average 1.2678571428571428) internal successors, (142), 119 states have internal predecessors, (142), 14 states have call successors, (14), 12 states have call predecessors, (14), 15 states have return successors, (17), 15 states have call predecessors, (17), 14 states have call successors, (17) [2022-01-10 06:33:16,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 173 transitions. [2022-01-10 06:33:16,561 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 173 transitions. Word has length 45 [2022-01-10 06:33:16,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:16,561 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 173 transitions. [2022-01-10 06:33:16,561 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-10 06:33:16,561 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 173 transitions. [2022-01-10 06:33:16,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-01-10 06:33:16,562 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:16,562 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:16,583 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 06:33:16,768 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 06:33:16,769 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:16,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:16,769 INFO L85 PathProgramCache]: Analyzing trace with hash -547640228, now seen corresponding path program 1 times [2022-01-10 06:33:16,769 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:16,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [324065429] [2022-01-10 06:33:16,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:16,770 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:16,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:16,770 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 06:33:16,772 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 06:33:16,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:16,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:33:16,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:16,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:16,895 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:16,895 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:16,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [324065429] [2022-01-10 06:33:16,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [324065429] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:16,895 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:16,895 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:33:16,895 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200557156] [2022-01-10 06:33:16,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:16,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:33:16,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:16,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:33:16,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:16,896 INFO L87 Difference]: Start difference. First operand 142 states and 173 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-10 06:33:16,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:16,926 INFO L93 Difference]: Finished difference Result 326 states and 403 transitions. [2022-01-10 06:33:16,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:33:16,927 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2022-01-10 06:33:16,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:16,928 INFO L225 Difference]: With dead ends: 326 [2022-01-10 06:33:16,928 INFO L226 Difference]: Without dead ends: 192 [2022-01-10 06:33:16,928 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:16,929 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 40 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:16,929 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 170 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:16,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2022-01-10 06:33:16,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 190. [2022-01-10 06:33:16,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 149 states have (on average 1.25503355704698) internal successors, (187), 157 states have internal predecessors, (187), 20 states have call successors, (20), 18 states have call predecessors, (20), 20 states have return successors, (23), 20 states have call predecessors, (23), 20 states have call successors, (23) [2022-01-10 06:33:16,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 230 transitions. [2022-01-10 06:33:16,952 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 230 transitions. Word has length 45 [2022-01-10 06:33:16,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:16,953 INFO L470 AbstractCegarLoop]: Abstraction has 190 states and 230 transitions. [2022-01-10 06:33:16,953 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-10 06:33:16,953 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 230 transitions. [2022-01-10 06:33:16,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-01-10 06:33:16,953 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:16,953 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:16,973 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 06:33:17,160 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 06:33:17,160 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:17,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:17,161 INFO L85 PathProgramCache]: Analyzing trace with hash 2090838197, now seen corresponding path program 1 times [2022-01-10 06:33:17,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:17,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2064249440] [2022-01-10 06:33:17,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:17,161 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:17,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:17,162 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 06:33:17,172 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 06:33:17,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:17,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-10 06:33:17,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:17,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:17,384 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:17,384 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:17,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2064249440] [2022-01-10 06:33:17,384 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2064249440] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:17,384 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:17,384 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:33:17,384 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091629108] [2022-01-10 06:33:17,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:17,385 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:33:17,385 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:17,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:33:17,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:33:17,386 INFO L87 Difference]: Start difference. First operand 190 states and 230 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-01-10 06:33:17,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:17,481 INFO L93 Difference]: Finished difference Result 552 states and 674 transitions. [2022-01-10 06:33:17,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 06:33:17,481 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 47 [2022-01-10 06:33:17,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:17,484 INFO L225 Difference]: With dead ends: 552 [2022-01-10 06:33:17,484 INFO L226 Difference]: Without dead ends: 370 [2022-01-10 06:33:17,485 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 42 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 06:33:17,487 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 45 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:17,487 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 438 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:33:17,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2022-01-10 06:33:17,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 355. [2022-01-10 06:33:17,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 274 states have (on average 1.2116788321167884) internal successors, (332), 289 states have internal predecessors, (332), 40 states have call successors, (40), 36 states have call predecessors, (40), 40 states have return successors, (49), 40 states have call predecessors, (49), 40 states have call successors, (49) [2022-01-10 06:33:17,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 421 transitions. [2022-01-10 06:33:17,506 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 421 transitions. Word has length 47 [2022-01-10 06:33:17,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:17,506 INFO L470 AbstractCegarLoop]: Abstraction has 355 states and 421 transitions. [2022-01-10 06:33:17,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-01-10 06:33:17,506 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 421 transitions. [2022-01-10 06:33:17,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-01-10 06:33:17,507 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:17,507 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:17,513 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-01-10 06:33:17,713 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 06:33:17,713 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:17,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:17,723 INFO L85 PathProgramCache]: Analyzing trace with hash 887089017, now seen corresponding path program 1 times [2022-01-10 06:33:17,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:17,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1850689845] [2022-01-10 06:33:17,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:17,724 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:17,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:17,724 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 06:33:17,726 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 06:33:17,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:17,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 9 conjunts are in the unsatisfiable core [2022-01-10 06:33:17,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:17,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:17,881 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:17,882 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:17,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1850689845] [2022-01-10 06:33:17,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1850689845] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:17,882 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:17,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-10 06:33:17,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463539955] [2022-01-10 06:33:17,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:17,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:33:17,882 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:17,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:33:17,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:33:17,883 INFO L87 Difference]: Start difference. First operand 355 states and 421 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:33:18,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:18,058 INFO L93 Difference]: Finished difference Result 716 states and 847 transitions. [2022-01-10 06:33:18,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-10 06:33:18,058 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2022-01-10 06:33:18,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:18,060 INFO L225 Difference]: With dead ends: 716 [2022-01-10 06:33:18,060 INFO L226 Difference]: Without dead ends: 369 [2022-01-10 06:33:18,061 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2022-01-10 06:33:18,061 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 106 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:18,061 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 343 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:33:18,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2022-01-10 06:33:18,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 352. [2022-01-10 06:33:18,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 271 states have (on average 1.1918819188191883) internal successors, (323), 286 states have internal predecessors, (323), 40 states have call successors, (40), 36 states have call predecessors, (40), 40 states have return successors, (49), 40 states have call predecessors, (49), 40 states have call successors, (49) [2022-01-10 06:33:18,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 412 transitions. [2022-01-10 06:33:18,074 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 412 transitions. Word has length 51 [2022-01-10 06:33:18,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:18,074 INFO L470 AbstractCegarLoop]: Abstraction has 352 states and 412 transitions. [2022-01-10 06:33:18,074 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:33:18,074 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 412 transitions. [2022-01-10 06:33:18,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-01-10 06:33:18,075 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:18,075 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:18,097 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 06:33:18,282 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 06:33:18,282 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:18,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:18,282 INFO L85 PathProgramCache]: Analyzing trace with hash 1653053766, now seen corresponding path program 1 times [2022-01-10 06:33:18,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:18,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [82299480] [2022-01-10 06:33:18,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:18,283 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:18,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:18,284 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 06:33:18,314 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 06:33:18,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:18,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:33:18,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:18,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:33:18,424 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:18,424 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:18,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [82299480] [2022-01-10 06:33:18,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [82299480] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:18,424 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:18,424 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:33:18,424 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956886499] [2022-01-10 06:33:18,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:18,424 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:33:18,424 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:18,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:33:18,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:18,425 INFO L87 Difference]: Start difference. First operand 352 states and 412 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-01-10 06:33:18,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:18,446 INFO L93 Difference]: Finished difference Result 461 states and 543 transitions. [2022-01-10 06:33:18,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:33:18,447 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 53 [2022-01-10 06:33:18,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:18,448 INFO L225 Difference]: With dead ends: 461 [2022-01-10 06:33:18,448 INFO L226 Difference]: Without dead ends: 459 [2022-01-10 06:33:18,449 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:33:18,449 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 40 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:18,449 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 157 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:18,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2022-01-10 06:33:18,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 451. [2022-01-10 06:33:18,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 345 states have (on average 1.1942028985507247) internal successors, (412), 366 states have internal predecessors, (412), 52 states have call successors, (52), 48 states have call predecessors, (52), 53 states have return successors, (67), 49 states have call predecessors, (67), 52 states have call successors, (67) [2022-01-10 06:33:18,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 531 transitions. [2022-01-10 06:33:18,465 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 531 transitions. Word has length 53 [2022-01-10 06:33:18,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:18,465 INFO L470 AbstractCegarLoop]: Abstraction has 451 states and 531 transitions. [2022-01-10 06:33:18,465 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-01-10 06:33:18,465 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 531 transitions. [2022-01-10 06:33:18,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-01-10 06:33:18,466 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:18,467 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:18,495 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 06:33:18,673 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 06:33:18,674 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:18,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:18,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1365239564, now seen corresponding path program 1 times [2022-01-10 06:33:18,674 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:18,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [608264457] [2022-01-10 06:33:18,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:18,675 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:18,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:18,676 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 06:33:18,678 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 06:33:18,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:18,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 9 conjunts are in the unsatisfiable core [2022-01-10 06:33:18,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:18,931 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 17 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-01-10 06:33:18,931 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 06:33:19,251 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-01-10 06:33:19,251 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:19,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [608264457] [2022-01-10 06:33:19,251 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [608264457] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 06:33:19,251 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-01-10 06:33:19,251 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2022-01-10 06:33:19,251 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911516239] [2022-01-10 06:33:19,251 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-01-10 06:33:19,252 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-10 06:33:19,252 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:19,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-10 06:33:19,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-01-10 06:33:19,252 INFO L87 Difference]: Start difference. First operand 451 states and 531 transitions. Second operand has 11 states, 11 states have (on average 10.545454545454545) internal successors, (116), 10 states have internal predecessors, (116), 8 states have call successors, (18), 7 states have call predecessors, (18), 7 states have return successors, (16), 6 states have call predecessors, (16), 8 states have call successors, (16) [2022-01-10 06:33:19,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:19,723 INFO L93 Difference]: Finished difference Result 1592 states and 2006 transitions. [2022-01-10 06:33:19,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-10 06:33:19,724 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.545454545454545) internal successors, (116), 10 states have internal predecessors, (116), 8 states have call successors, (18), 7 states have call predecessors, (18), 7 states have return successors, (16), 6 states have call predecessors, (16), 8 states have call successors, (16) Word has length 95 [2022-01-10 06:33:19,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:19,728 INFO L225 Difference]: With dead ends: 1592 [2022-01-10 06:33:19,728 INFO L226 Difference]: Without dead ends: 1241 [2022-01-10 06:33:19,730 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 182 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=104, Invalid=202, Unknown=0, NotChecked=0, Total=306 [2022-01-10 06:33:19,730 INFO L933 BasicCegarLoop]: 138 mSDtfsCounter, 534 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 540 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 159 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:19,730 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [540 Valid, 478 Invalid, 468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [159 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 06:33:19,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1241 states. [2022-01-10 06:33:19,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1241 to 1153. [2022-01-10 06:33:19,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1153 states, 888 states have (on average 1.1948198198198199) internal successors, (1061), 943 states have internal predecessors, (1061), 131 states have call successors, (131), 117 states have call predecessors, (131), 133 states have return successors, (203), 122 states have call predecessors, (203), 131 states have call successors, (203) [2022-01-10 06:33:19,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 1153 states and 1395 transitions. [2022-01-10 06:33:19,776 INFO L78 Accepts]: Start accepts. Automaton has 1153 states and 1395 transitions. Word has length 95 [2022-01-10 06:33:19,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:19,776 INFO L470 AbstractCegarLoop]: Abstraction has 1153 states and 1395 transitions. [2022-01-10 06:33:19,776 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.545454545454545) internal successors, (116), 10 states have internal predecessors, (116), 8 states have call successors, (18), 7 states have call predecessors, (18), 7 states have return successors, (16), 6 states have call predecessors, (16), 8 states have call successors, (16) [2022-01-10 06:33:19,777 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1395 transitions. [2022-01-10 06:33:19,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-01-10 06:33:19,778 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:19,778 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:19,787 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-01-10 06:33:19,985 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 06:33:19,985 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:19,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:19,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1543524338, now seen corresponding path program 1 times [2022-01-10 06:33:19,986 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:19,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1819685963] [2022-01-10 06:33:19,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:19,986 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:19,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:19,987 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 06:33:19,989 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 06:33:20,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:20,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 13 conjunts are in the unsatisfiable core [2022-01-10 06:33:20,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:20,208 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-01-10 06:33:20,208 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 06:33:20,519 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-01-10 06:33:20,520 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:20,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1819685963] [2022-01-10 06:33:20,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1819685963] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 06:33:20,520 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-01-10 06:33:20,520 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 13 [2022-01-10 06:33:20,520 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135235775] [2022-01-10 06:33:20,520 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-01-10 06:33:20,521 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-01-10 06:33:20,521 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:20,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-01-10 06:33:20,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-01-10 06:33:20,521 INFO L87 Difference]: Start difference. First operand 1153 states and 1395 transitions. Second operand has 13 states, 13 states have (on average 9.153846153846153) internal successors, (119), 12 states have internal predecessors, (119), 8 states have call successors, (18), 7 states have call predecessors, (18), 7 states have return successors, (16), 6 states have call predecessors, (16), 8 states have call successors, (16) [2022-01-10 06:33:21,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:21,418 INFO L93 Difference]: Finished difference Result 4437 states and 5675 transitions. [2022-01-10 06:33:21,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-10 06:33:21,418 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 9.153846153846153) internal successors, (119), 12 states have internal predecessors, (119), 8 states have call successors, (18), 7 states have call predecessors, (18), 7 states have return successors, (16), 6 states have call predecessors, (16), 8 states have call successors, (16) Word has length 95 [2022-01-10 06:33:21,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:21,431 INFO L225 Difference]: With dead ends: 4437 [2022-01-10 06:33:21,432 INFO L226 Difference]: Without dead ends: 3380 [2022-01-10 06:33:21,435 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=184, Invalid=628, Unknown=0, NotChecked=0, Total=812 [2022-01-10 06:33:21,436 INFO L933 BasicCegarLoop]: 223 mSDtfsCounter, 995 mSDsluCounter, 803 mSDsCounter, 0 mSdLazyCounter, 852 mSolverCounterSat, 391 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1003 SdHoareTripleChecker+Valid, 1026 SdHoareTripleChecker+Invalid, 1243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 391 IncrementalHoareTripleChecker+Valid, 852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:21,436 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1003 Valid, 1026 Invalid, 1243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [391 Valid, 852 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-10 06:33:21,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3380 states. [2022-01-10 06:33:21,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3380 to 2769. [2022-01-10 06:33:21,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2769 states, 2135 states have (on average 1.1929742388758782) internal successors, (2547), 2253 states have internal predecessors, (2547), 318 states have call successors, (318), 296 states have call predecessors, (318), 315 states have return successors, (520), 291 states have call predecessors, (520), 318 states have call successors, (520) [2022-01-10 06:33:21,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2769 states to 2769 states and 3385 transitions. [2022-01-10 06:33:21,564 INFO L78 Accepts]: Start accepts. Automaton has 2769 states and 3385 transitions. Word has length 95 [2022-01-10 06:33:21,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:21,564 INFO L470 AbstractCegarLoop]: Abstraction has 2769 states and 3385 transitions. [2022-01-10 06:33:21,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.153846153846153) internal successors, (119), 12 states have internal predecessors, (119), 8 states have call successors, (18), 7 states have call predecessors, (18), 7 states have return successors, (16), 6 states have call predecessors, (16), 8 states have call successors, (16) [2022-01-10 06:33:21,565 INFO L276 IsEmpty]: Start isEmpty. Operand 2769 states and 3385 transitions. [2022-01-10 06:33:21,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-01-10 06:33:21,566 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:33:21,567 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:21,589 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 06:33:21,789 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 06:33:21,790 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:33:21,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:33:21,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1409510832, now seen corresponding path program 1 times [2022-01-10 06:33:21,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:33:21,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [967481885] [2022-01-10 06:33:21,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:33:21,791 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:33:21,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:33:21,791 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 06:33:21,793 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 06:33:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:33:21,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-10 06:33:21,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:33:21,989 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-01-10 06:33:21,989 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:33:21,989 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:33:21,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [967481885] [2022-01-10 06:33:21,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [967481885] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:33:21,989 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:33:21,990 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:33:21,990 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758300698] [2022-01-10 06:33:21,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:33:21,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:33:21,990 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:33:21,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:33:21,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:33:21,990 INFO L87 Difference]: Start difference. First operand 2769 states and 3385 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-01-10 06:33:22,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:33:22,033 INFO L93 Difference]: Finished difference Result 3139 states and 3815 transitions. [2022-01-10 06:33:22,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 06:33:22,033 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 95 [2022-01-10 06:33:22,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:33:22,034 INFO L225 Difference]: With dead ends: 3139 [2022-01-10 06:33:22,034 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 06:33:22,040 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 92 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 06:33:22,040 INFO L933 BasicCegarLoop]: 89 mSDtfsCounter, 36 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:33:22,040 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 319 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:33:22,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 06:33:22,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 06:33:22,041 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 06:33:22,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 06:33:22,041 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 95 [2022-01-10 06:33:22,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:33:22,041 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 06:33:22,041 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-01-10 06:33:22,041 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 06:33:22,042 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 06:33:22,043 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 06:33:22,065 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Ended with exit code 0 [2022-01-10 06:33:22,251 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 06:33:22,253 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 06:33:25,018 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 371 377) no Hoare annotation was computed. [2022-01-10 06:33:25,018 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 371 377) the Hoare annotation is: true [2022-01-10 06:33:25,018 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 264 275) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (not (= |old(~methaneLevelCritical~0)| (_ bv0 32)))) (.cse3 (not (= ~methAndRunningLastTime~0 (_ bv0 32))))) (and (or (not (= (_ bv0 32) ~pumpRunning~0)) .cse0 .cse1 .cse2 (not (= ~waterLevel~0 (_ bv1 32))) .cse3) (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv2 32))) .cse2 .cse3))) [2022-01-10 06:33:25,019 INFO L858 garLoopResultBuilder]: For program point L268-1(lines 264 275) no Hoare annotation was computed. [2022-01-10 06:33:25,019 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 264 275) no Hoare annotation was computed. [2022-01-10 06:33:25,019 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 276 284) the Hoare annotation is: true [2022-01-10 06:33:25,019 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 276 284) no Hoare annotation was computed. [2022-01-10 06:33:25,019 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 276 284) no Hoare annotation was computed. [2022-01-10 06:33:25,019 INFO L854 garLoopResultBuilder]: At program point L209(line 209) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| (_ bv0 32)))) (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse6 (not .cse3)) (.cse7 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|))) (.cse5 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 (and (= |timeShift_isLowWaterSensorDry_#res#1| (_ bv0 32)) (= (_ bv1 32) |timeShift_isLowWaterLevel_~tmp___0~2#1|) (= |timeShift_isLowWaterLevel_~tmp~5#1| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (= |timeShift_processEnvironment_~tmp~3#1| (_ bv1 32)) (= |timeShift_isLowWaterLevel_#res#1| (_ bv1 32)) .cse2) .cse3) (or .cse1 (and .cse4 .cse2 .cse5) .cse6 (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse7) (or .cse0 .cse1 .cse4 .cse7) (or .cse0 .cse1 .cse6 .cse7 .cse5)))) [2022-01-10 06:33:25,019 INFO L858 garLoopResultBuilder]: For program point L209-1(line 209) no Hoare annotation was computed. [2022-01-10 06:33:25,019 INFO L854 garLoopResultBuilder]: At program point L424(line 424) the Hoare annotation is: (let ((.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|))) (.cse2 (= |old(~pumpRunning~0)| (_ bv0 32))) (.cse4 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3 .cse4) (or .cse1 .cse3 (not .cse2) (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse4))) [2022-01-10 06:33:25,019 INFO L854 garLoopResultBuilder]: At program point L424-1(lines 405 429) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| (_ bv0 32)))) (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse6 (not .cse3)) (.cse7 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|))) (.cse5 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 (and (= |timeShift_isLowWaterSensorDry_#res#1| (_ bv0 32)) (= (_ bv1 32) |timeShift_isLowWaterLevel_~tmp___0~2#1|) (= |timeShift_isLowWaterLevel_~tmp~5#1| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (= |timeShift_processEnvironment_~tmp~3#1| (_ bv1 32)) (= |timeShift_isLowWaterLevel_#res#1| (_ bv1 32)) .cse2) .cse3) (or .cse1 (and .cse4 .cse2 .cse5) .cse6 (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse7) (or .cse0 .cse1 .cse4 .cse7) (or .cse0 .cse1 .cse6 .cse7 .cse5)))) [2022-01-10 06:33:25,019 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 347 370) no Hoare annotation was computed. [2022-01-10 06:33:25,019 INFO L858 garLoopResultBuilder]: For program point L358-1(lines 358 364) no Hoare annotation was computed. [2022-01-10 06:33:25,019 INFO L858 garLoopResultBuilder]: For program point L986(line 986) no Hoare annotation was computed. [2022-01-10 06:33:25,019 INFO L854 garLoopResultBuilder]: At program point L536(lines 521 539) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| (_ bv0 32)))) (let ((.cse1 (not .cse4)) (.cse3 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|)))) (and (or .cse0 .cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 (and (= |timeShift_isLowWaterSensorDry_#res#1| (_ bv0 32)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= (_ bv1 32) |timeShift_isLowWaterLevel_~tmp___0~2#1|) (= |timeShift_isLowWaterLevel_~tmp~5#1| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (= |timeShift_isLowWaterLevel_#res#1| (_ bv1 32)))) (or .cse3 .cse0 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2)))) [2022-01-10 06:33:25,019 INFO L854 garLoopResultBuilder]: At program point L462(lines 457 465) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| (_ bv0 32)))) (let ((.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse5 (= |timeShift_isPumpRunning_#res#1| (_ bv0 32))) (.cse6 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse8 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (not .cse3)) (.cse10 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse9 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 (and .cse5 .cse6 .cse7) (and (not .cse8) .cse6 .cse7) .cse9) (or .cse0 .cse1 (and .cse5 (= |timeShift_isLowWaterSensorDry_#res#1| (_ bv0 32)) (= (_ bv1 32) |timeShift_isLowWaterLevel_~tmp___0~2#1|) (= |timeShift_isLowWaterLevel_~tmp~5#1| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (= |timeShift_processEnvironment_~tmp~3#1| (_ bv1 32)) (= |timeShift_isLowWaterLevel_#res#1| (_ bv1 32)) .cse8) .cse3) (or .cse0 .cse1 .cse9 .cse2) (or .cse1 .cse4 .cse10 .cse9 (and .cse5 .cse6 .cse8 .cse7)) (or .cse1 .cse4 .cse10 .cse9 .cse2)))) [2022-01-10 06:33:25,019 INFO L858 garLoopResultBuilder]: For program point L351-1(lines 350 369) no Hoare annotation was computed. [2022-01-10 06:33:25,020 INFO L858 garLoopResultBuilder]: For program point L413(lines 413 421) no Hoare annotation was computed. [2022-01-10 06:33:25,020 INFO L854 garLoopResultBuilder]: At program point L987(lines 982 989) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| (_ bv0 32))) (.cse3 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|)))) (and (or .cse0 (not .cse1) (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse2) (or .cse3 .cse0 .cse1) (or .cse3 .cse0 .cse2))) [2022-01-10 06:33:25,020 INFO L858 garLoopResultBuilder]: For program point L409(lines 409 426) no Hoare annotation was computed. [2022-01-10 06:33:25,020 INFO L858 garLoopResultBuilder]: For program point L215(lines 215 225) no Hoare annotation was computed. [2022-01-10 06:33:25,020 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 248) no Hoare annotation was computed. [2022-01-10 06:33:25,020 INFO L858 garLoopResultBuilder]: For program point L211(lines 211 228) no Hoare annotation was computed. [2022-01-10 06:33:25,020 INFO L854 garLoopResultBuilder]: At program point L244-2(lines 240 251) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| (_ bv0 32)))) (let ((.cse1 (not .cse4)) (.cse3 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|)))) (and (or .cse0 .cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse3 .cse0 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~waterLevel~0 (_ bv1 32))) .cse4) (or .cse3 .cse0 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2)))) [2022-01-10 06:33:25,020 INFO L854 garLoopResultBuilder]: At program point L211-1(lines 203 231) the Hoare annotation is: (let ((.cse9 (= |old(~pumpRunning~0)| (_ bv0 32)))) (let ((.cse2 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse8 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse6 (not .cse9)) (.cse10 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse4 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|))) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~1#1| (_ bv0 32))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 (and .cse2 .cse3) .cse4 .cse5) (or .cse0 .cse1 .cse6 (and .cse2 .cse7) .cse4 (and (not .cse8) .cse7)) (or (and .cse2 (= |timeShift_isLowWaterSensorDry_#res#1| (_ bv0 32)) (= (_ bv1 32) |timeShift_isLowWaterLevel_~tmp___0~2#1|) (= |timeShift_isLowWaterLevel_~tmp~5#1| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (= |timeShift_processEnvironment_~tmp~3#1| (_ bv1 32)) (= |timeShift_isLowWaterLevel_#res#1| (_ bv1 32)) .cse8) .cse0 .cse1 .cse9) (or .cse1 .cse6 .cse10 .cse4 .cse3 .cse5) (or .cse1 (and .cse2 .cse8 .cse7) .cse6 .cse10 .cse4) (or .cse0 .cse1 .cse3 .cse5 .cse9)))) [2022-01-10 06:33:25,020 INFO L854 garLoopResultBuilder]: At program point L443(lines 438 445) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| (_ bv0 32)))) (let ((.cse1 (not .cse4)) (.cse3 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|)))) (and (or .cse0 .cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse3 .cse0 (and (= |timeShift_isLowWaterSensorDry_#res#1| (_ bv0 32)) (= (_ bv1 32) |timeShift_isLowWaterLevel_~tmp___0~2#1|) (= |timeShift_isLowWaterLevel_~tmp~5#1| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (= |timeShift_processEnvironment_~tmp~3#1| (_ bv1 32)) (= |timeShift_isLowWaterLevel_#res#1| (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) .cse4) (or .cse3 .cse0 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2)))) [2022-01-10 06:33:25,020 INFO L858 garLoopResultBuilder]: For program point L216(lines 216 222) no Hoare annotation was computed. [2022-01-10 06:33:25,020 INFO L858 garLoopResultBuilder]: For program point L530(lines 530 534) no Hoare annotation was computed. [2022-01-10 06:33:25,020 INFO L854 garLoopResultBuilder]: At program point L336(lines 331 339) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| (_ bv0 32)))) (let ((.cse1 (not .cse4)) (.cse3 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|)))) (and (or .cse0 .cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse2) (or .cse3 .cse0 (and (= |timeShift_isLowWaterSensorDry_#res#1| (_ bv0 32)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~waterLevel~0 (_ bv1 32))) .cse4) (or .cse3 .cse0 .cse1 .cse2) (or .cse3 .cse0 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2)))) [2022-01-10 06:33:25,020 INFO L858 garLoopResultBuilder]: For program point L530-2(lines 530 534) no Hoare annotation was computed. [2022-01-10 06:33:25,020 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 347 370) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| (_ bv0 32))) (.cse7 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse4 (and .cse7 (= (_ bv0 32) ~pumpRunning~0) .cse1)) (.cse5 (not .cse3)) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse2 (not (= ~systemActive~0 (_ bv1 32)))) (.cse6 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|)))) (and (or .cse0 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1) .cse2 .cse3) (or .cse0 .cse2 .cse4 .cse5 .cse6) (or .cse2 .cse4 .cse5 (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse6) (or .cse0 .cse2 .cse7 .cse6)))) [2022-01-10 06:33:25,020 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 347 370) no Hoare annotation was computed. [2022-01-10 06:33:25,021 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 986) no Hoare annotation was computed. [2022-01-10 06:33:25,021 INFO L854 garLoopResultBuilder]: At program point L419(line 419) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| (_ bv0 32))) (.cse3 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= (_ bv0 32) |old(~methAndRunningLastTime~0)|)))) (and (or .cse0 (not .cse1) (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse2) (or .cse3 .cse0 .cse1) (or .cse3 .cse0 .cse2))) [2022-01-10 06:33:25,021 INFO L861 garLoopResultBuilder]: At program point L96(line 96) the Hoare annotation is: true [2022-01-10 06:33:25,021 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 90 119) no Hoare annotation was computed. [2022-01-10 06:33:25,021 INFO L858 garLoopResultBuilder]: For program point L96-1(line 96) no Hoare annotation was computed. [2022-01-10 06:33:25,021 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 90 119) the Hoare annotation is: true [2022-01-10 06:33:25,021 INFO L861 garLoopResultBuilder]: At program point L115(lines 90 119) the Hoare annotation is: true [2022-01-10 06:33:25,021 INFO L858 garLoopResultBuilder]: For program point L111(line 111) no Hoare annotation was computed. [2022-01-10 06:33:25,021 INFO L858 garLoopResultBuilder]: For program point L104(lines 104 108) no Hoare annotation was computed. [2022-01-10 06:33:25,021 INFO L861 garLoopResultBuilder]: At program point L104-1(lines 104 108) the Hoare annotation is: true [2022-01-10 06:33:25,021 INFO L858 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2022-01-10 06:33:25,021 INFO L861 garLoopResultBuilder]: At program point L100-2(lines 100 114) the Hoare annotation is: true [2022-01-10 06:33:25,021 INFO L854 garLoopResultBuilder]: At program point L151(lines 147 153) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:33:25,021 INFO L858 garLoopResultBuilder]: For program point L597(lines 597 601) no Hoare annotation was computed. [2022-01-10 06:33:25,021 INFO L854 garLoopResultBuilder]: At program point L597-2(lines 589 602) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 (_ bv2 32))) (.cse4 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 (not .cse1) .cse2 .cse3) (and .cse4 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3 .cse1) (and .cse0 .cse4 .cse2 .cse3))) [2022-01-10 06:33:25,021 INFO L858 garLoopResultBuilder]: For program point L560(lines 559 606) no Hoare annotation was computed. [2022-01-10 06:33:25,021 INFO L858 garLoopResultBuilder]: For program point L589(lines 589 602) no Hoare annotation was computed. [2022-01-10 06:33:25,021 INFO L854 garLoopResultBuilder]: At program point L581(line 581) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 (_ bv2 32))) (.cse4 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 (not .cse1) .cse2 .cse3) (and .cse4 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3 .cse1) (and .cse0 .cse4 .cse2 .cse3))) [2022-01-10 06:33:25,022 INFO L861 garLoopResultBuilder]: At program point L164(lines 156 166) the Hoare annotation is: true [2022-01-10 06:33:25,022 INFO L861 garLoopResultBuilder]: At program point L610(lines 549 614) the Hoare annotation is: true [2022-01-10 06:33:25,022 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 06:33:25,022 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 06:33:25,022 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 06:33:25,022 INFO L858 garLoopResultBuilder]: For program point L569(lines 569 575) no Hoare annotation was computed. [2022-01-10 06:33:25,022 INFO L858 garLoopResultBuilder]: For program point L569-1(lines 569 575) no Hoare annotation was computed. [2022-01-10 06:33:25,022 INFO L858 garLoopResultBuilder]: For program point L177(lines 177 184) no Hoare annotation was computed. [2022-01-10 06:33:25,022 INFO L858 garLoopResultBuilder]: For program point L561(lines 561 565) no Hoare annotation was computed. [2022-01-10 06:33:25,022 INFO L858 garLoopResultBuilder]: For program point L177-2(lines 177 184) no Hoare annotation was computed. [2022-01-10 06:33:25,022 INFO L854 garLoopResultBuilder]: At program point L545(lines 540 547) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 (_ bv2 32))) (.cse4 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 (not .cse1) .cse2 .cse3) (and .cse4 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3 .cse1) (and .cse0 .cse4 .cse2 .cse3))) [2022-01-10 06:33:25,022 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 06:33:25,022 INFO L854 garLoopResultBuilder]: At program point L607(lines 558 608) the Hoare annotation is: false [2022-01-10 06:33:25,022 INFO L861 garLoopResultBuilder]: At program point L186(lines 167 189) the Hoare annotation is: true [2022-01-10 06:33:25,022 INFO L854 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:33:25,022 INFO L854 garLoopResultBuilder]: At program point L75(lines 71 77) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:33:25,022 INFO L858 garLoopResultBuilder]: For program point L579(lines 579 585) no Hoare annotation was computed. [2022-01-10 06:33:25,022 INFO L858 garLoopResultBuilder]: For program point L579-1(lines 579 585) no Hoare annotation was computed. [2022-01-10 06:33:25,022 INFO L854 garLoopResultBuilder]: At program point L604(lines 559 606) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 (_ bv2 32))) (.cse4 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 (not .cse1) .cse2 .cse3) (and .cse4 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3 .cse1) (and .cse0 .cse4 .cse2 .cse3))) [2022-01-10 06:33:25,023 INFO L854 garLoopResultBuilder]: At program point L571(line 571) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 (_ bv2 32))) (.cse4 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 (not .cse1) .cse2 .cse3) (and .cse4 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3 .cse1) (and .cse0 .cse4 .cse2 .cse3))) [2022-01-10 06:33:25,023 INFO L854 garLoopResultBuilder]: At program point L200(lines 195 202) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:33:25,023 INFO L854 garLoopResultBuilder]: At program point L68(lines 64 70) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:33:25,023 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 379 403) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= ~methAndRunningLastTime~0 (_ bv0 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 .cse2 .cse3) (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32))) .cse2 .cse3))) [2022-01-10 06:33:25,023 INFO L854 garLoopResultBuilder]: At program point L393(line 393) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv1 32)))) (let ((.cse0 (not .cse4)) (.cse1 (and (= |processEnvironment__wrappee__highWaterSensor_~tmp~2#1| (_ bv0 32)) (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse4)) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (not (= ~methAndRunningLastTime~0 (_ bv0 32))))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv2 32))) .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 (_ bv1 32))) .cse3)))) [2022-01-10 06:33:25,023 INFO L854 garLoopResultBuilder]: At program point L517(lines 502 520) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (not (= ~methAndRunningLastTime~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 (and (= (_ bv0 32) |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| (_ bv0 32)) .cse1) .cse2 (not (= ~waterLevel~0 (_ bv1 32))) .cse3) (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse2 .cse3 .cse1))) [2022-01-10 06:33:25,023 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 395) no Hoare annotation was computed. [2022-01-10 06:33:25,023 INFO L858 garLoopResultBuilder]: For program point L321(lines 321 327) no Hoare annotation was computed. [2022-01-10 06:33:25,023 INFO L858 garLoopResultBuilder]: For program point L383(lines 383 400) no Hoare annotation was computed. [2022-01-10 06:33:25,023 INFO L858 garLoopResultBuilder]: For program point L511(lines 511 515) no Hoare annotation was computed. [2022-01-10 06:33:25,023 INFO L858 garLoopResultBuilder]: For program point L511-2(lines 511 515) no Hoare annotation was computed. [2022-01-10 06:33:25,023 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 379 403) no Hoare annotation was computed. [2022-01-10 06:33:25,023 INFO L854 garLoopResultBuilder]: At program point L435(lines 430 437) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= ~methAndRunningLastTime~0 (_ bv0 32))))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32))) .cse2) (or (not (= (_ bv0 32) ~pumpRunning~0)) .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 .cse2))) [2022-01-10 06:33:25,023 INFO L854 garLoopResultBuilder]: At program point L398(line 398) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= ~methAndRunningLastTime~0 (_ bv0 32))))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32))) .cse2) (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 .cse2))) [2022-01-10 06:33:25,023 INFO L858 garLoopResultBuilder]: For program point L398-1(lines 379 403) no Hoare annotation was computed. [2022-01-10 06:33:25,023 INFO L854 garLoopResultBuilder]: At program point L326(lines 317 330) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= ~methAndRunningLastTime~0 (_ bv0 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 .cse2 .cse3) (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32))) .cse2 (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| (_ bv1 32)) .cse3)))) [2022-01-10 06:33:25,024 INFO L858 garLoopResultBuilder]: For program point L256-1(lines 252 263) no Hoare annotation was computed. [2022-01-10 06:33:25,024 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 252 263) no Hoare annotation was computed. [2022-01-10 06:33:25,024 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 252 263) the Hoare annotation is: (let ((.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (not (= ~methAndRunningLastTime~0 (_ bv0 32)))) (.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or (not .cse2) .cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse4 .cse3))) [2022-01-10 06:33:25,026 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:33:25,026 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 06:33:25,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:33:25 BoogieIcfgContainer [2022-01-10 06:33:25,084 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 06:33:25,085 INFO L158 Benchmark]: Toolchain (without parser) took 11877.05ms. Allocated memory was 164.6MB in the beginning and 260.0MB in the end (delta: 95.4MB). Free memory was 113.5MB in the beginning and 143.1MB in the end (delta: -29.7MB). Peak memory consumption was 128.5MB. Max. memory is 8.0GB. [2022-01-10 06:33:25,085 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 164.6MB. Free memory was 131.3MB in the beginning and 131.2MB in the end (delta: 73.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 06:33:25,085 INFO L158 Benchmark]: CACSL2BoogieTranslator took 462.62ms. Allocated memory is still 164.6MB. Free memory was 113.3MB in the beginning and 125.2MB in the end (delta: -12.0MB). Peak memory consumption was 11.2MB. Max. memory is 8.0GB. [2022-01-10 06:33:25,086 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.93ms. Allocated memory is still 164.6MB. Free memory was 125.2MB in the beginning and 122.7MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-10 06:33:25,086 INFO L158 Benchmark]: Boogie Preprocessor took 23.99ms. Allocated memory is still 164.6MB. Free memory was 122.7MB in the beginning and 121.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 06:33:25,086 INFO L158 Benchmark]: RCFGBuilder took 311.33ms. Allocated memory is still 164.6MB. Free memory was 121.2MB in the beginning and 103.8MB in the end (delta: 17.4MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2022-01-10 06:33:25,086 INFO L158 Benchmark]: TraceAbstraction took 11025.28ms. Allocated memory was 164.6MB in the beginning and 260.0MB in the end (delta: 95.4MB). Free memory was 103.3MB in the beginning and 143.1MB in the end (delta: -39.8MB). Peak memory consumption was 118.4MB. Max. memory is 8.0GB. [2022-01-10 06:33:25,087 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 164.6MB. Free memory was 131.3MB in the beginning and 131.2MB in the end (delta: 73.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 462.62ms. Allocated memory is still 164.6MB. Free memory was 113.3MB in the beginning and 125.2MB in the end (delta: -12.0MB). Peak memory consumption was 11.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 49.93ms. Allocated memory is still 164.6MB. Free memory was 125.2MB in the beginning and 122.7MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.99ms. Allocated memory is still 164.6MB. Free memory was 122.7MB in the beginning and 121.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 311.33ms. Allocated memory is still 164.6MB. Free memory was 121.2MB in the beginning and 103.8MB in the end (delta: 17.4MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 11025.28ms. Allocated memory was 164.6MB in the beginning and 260.0MB in the end (delta: 95.4MB). Free memory was 103.3MB in the beginning and 143.1MB in the end (delta: -39.8MB). Peak memory consumption was 118.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 986]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.9s, OverallIterations: 13, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2143 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2113 mSDsluCounter, 4224 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2799 mSDsCounter, 632 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1499 IncrementalHoareTripleChecker+Invalid, 2131 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 632 mSolverCounterUnsat, 1425 mSDtfsCounter, 1499 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 917 GetRequests, 835 SyntacticMatches, 1 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2769occurred in iteration=12, InterpolantAutomatonStates: 90, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 759 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 2461 PreInvPairs, 2589 NumberOfFragments, 1740 HoareAnnotationTreeSize, 2461 FomulaSimplifications, 390 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 41 FomulaSimplificationsInter, 5311 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 694 NumberOfCodeBlocks, 694 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 869 ConstructedInterpolants, 0 QuantifiedInterpolants, 2118 SizeOfPredicates, 24 NumberOfNonLiveVariables, 2516 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 118/140 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: 438]: Loop Invariant Derived loop invariant: (((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(0bv32 == \old(methAndRunningLastTime))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(0bv32 == \old(methAndRunningLastTime)))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || ((((((\result == 0bv32 && 1bv32 == tmp___0) && tmp == 0bv32) && waterLevel == 1bv32) && tmp == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || \old(pumpRunning) == 0bv32)) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || methAndRunningLastTime == 0bv32) || !(0bv32 == \old(methAndRunningLastTime))) - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: (((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(0bv32 == \old(methAndRunningLastTime))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(0bv32 == \old(methAndRunningLastTime)))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || \old(pumpRunning) == 0bv32) || (((((\result == 0bv32 && \old(pumpRunning) == pumpRunning) && 1bv32 == tmp___0) && tmp == 0bv32) && waterLevel == 1bv32) && \result == 1bv32))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || methAndRunningLastTime == 0bv32) || !(0bv32 == \old(methAndRunningLastTime))) - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 549]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 982]: Loop Invariant Derived loop invariant: ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(0bv32 == \old(methAndRunningLastTime))) && ((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || \old(pumpRunning) == 0bv32)) && ((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(0bv32 == \old(methAndRunningLastTime))) - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: (((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(0bv32 == \old(methAndRunningLastTime))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(0bv32 == \old(methAndRunningLastTime)))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || (\old(pumpRunning) == pumpRunning && waterLevel == 1bv32)) || \old(pumpRunning) == 0bv32)) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || methAndRunningLastTime == 0bv32) || !(0bv32 == \old(methAndRunningLastTime))) - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: ((((waterLevel == 2bv32 && !(0bv32 == pumpRunning)) && systemActive == 1bv32) && splverifierCounter == 0bv32) || ((((methAndRunningLastTime == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || (((waterLevel == 2bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: ((((((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || (methAndRunningLastTime == 0bv32 && tmp == 0bv32)) || !(0bv32 == \old(methAndRunningLastTime))) || !(methaneLevelCritical == 0bv32)) && (((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || (methAndRunningLastTime == 0bv32 && waterLevel == \old(waterLevel))) || !(0bv32 == \old(methAndRunningLastTime))) || (!(0bv32 == pumpRunning) && waterLevel == \old(waterLevel)))) && ((((((((((methAndRunningLastTime == 0bv32 && \result == 0bv32) && 1bv32 == tmp___0) && tmp == 0bv32) && waterLevel == 1bv32) && tmp == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || !(2bv32 == \old(waterLevel))) || !(systemActive == 1bv32)) || \old(pumpRunning) == 0bv32)) && (((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(0bv32 == \old(methAndRunningLastTime))) || tmp == 0bv32) || !(methaneLevelCritical == 0bv32))) && ((((!(systemActive == 1bv32) || ((methAndRunningLastTime == 0bv32 && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(0bv32 == \old(methAndRunningLastTime)))) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || tmp == 0bv32) || !(methaneLevelCritical == 0bv32)) || \old(pumpRunning) == 0bv32) - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: ((((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methAndRunningLastTime == 0bv32)) || 0bv32 == pumpRunning) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(waterLevel == 1bv32)) || !(methAndRunningLastTime == 0bv32)) || (\result == 1bv32 && 0bv32 == pumpRunning)) - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(waterLevel == 1bv32)) || !(methAndRunningLastTime == 0bv32)) && ((((!(0bv32 == pumpRunning) || !(systemActive == 1bv32)) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methAndRunningLastTime == 0bv32)) - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: (((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || ((((((\result == 0bv32 && 1bv32 == tmp___0) && tmp == 0bv32) && waterLevel == 1bv32) && tmp == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || \old(pumpRunning) == 0bv32) && ((((!(systemActive == 1bv32) || ((methAndRunningLastTime == 0bv32 && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel))) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(0bv32 == \old(methAndRunningLastTime)))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || methAndRunningLastTime == 0bv32) || !(0bv32 == \old(methAndRunningLastTime)))) && ((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(0bv32 == \old(methAndRunningLastTime))) || waterLevel == \old(waterLevel)) - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: (((((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(methaneLevelCritical == 0bv32)) || \old(pumpRunning) == 0bv32) && (((((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || ((\result == 0bv32 && methAndRunningLastTime == 0bv32) && waterLevel == \old(waterLevel))) || ((!(0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && waterLevel == \old(waterLevel))) || !(0bv32 == \old(methAndRunningLastTime)))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || (((((((\result == 0bv32 && \result == 0bv32) && 1bv32 == tmp___0) && tmp == 0bv32) && waterLevel == 1bv32) && tmp == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || \old(pumpRunning) == 0bv32)) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(0bv32 == \old(methAndRunningLastTime))) || !(methaneLevelCritical == 0bv32))) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(0bv32 == \old(methAndRunningLastTime))) || (((\result == 0bv32 && methAndRunningLastTime == 0bv32) && 0bv32 == pumpRunning) && waterLevel == \old(waterLevel)))) && ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(0bv32 == \old(methAndRunningLastTime))) || !(methaneLevelCritical == 0bv32)) - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: ((((!(systemActive == 1bv32) || ((0bv32 == tmp___0 && \result == 0bv32) && 0bv32 == pumpRunning)) || !(\old(pumpRunning) == 0bv32)) || !(waterLevel == 1bv32)) || !(methAndRunningLastTime == 0bv32)) && ((((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || !(methAndRunningLastTime == 0bv32)) || 0bv32 == pumpRunning) - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: ((((waterLevel == 2bv32 && !(0bv32 == pumpRunning)) && systemActive == 1bv32) && splverifierCounter == 0bv32) || ((((methAndRunningLastTime == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || (((waterLevel == 2bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 558]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: (((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || !(0bv32 == \old(methAndRunningLastTime))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || ((\result == 0bv32 && \old(pumpRunning) == pumpRunning) && waterLevel == 1bv32)) || \old(pumpRunning) == 0bv32)) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || !(0bv32 == \old(methAndRunningLastTime)))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || methAndRunningLastTime == 0bv32) || !(0bv32 == \old(methAndRunningLastTime))) - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-01-10 06:33:25,138 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...