/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product06.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 06:35:11,988 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 06:35:11,990 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 06:35:12,047 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 06:35:12,048 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 06:35:12,049 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 06:35:12,050 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 06:35:12,051 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 06:35:12,052 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 06:35:12,052 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 06:35:12,053 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 06:35:12,053 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 06:35:12,054 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 06:35:12,054 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 06:35:12,055 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 06:35:12,056 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 06:35:12,056 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 06:35:12,057 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 06:35:12,058 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 06:35:12,061 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 06:35:12,062 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 06:35:12,068 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 06:35:12,069 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 06:35:12,070 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 06:35:12,072 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 06:35:12,072 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 06:35:12,072 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 06:35:12,073 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 06:35:12,073 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 06:35:12,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 06:35:12,074 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 06:35:12,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 06:35:12,076 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 06:35:12,076 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 06:35:12,077 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 06:35:12,077 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 06:35:12,078 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 06:35:12,078 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 06:35:12,078 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 06:35:12,079 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 06:35:12,079 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 06:35:12,086 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-01-10 06:35:12,123 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 06:35:12,123 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 06:35:12,124 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 06:35:12,124 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 06:35:12,124 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 06:35:12,124 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 06:35:12,125 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 06:35:12,125 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 06:35:12,125 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 06:35:12,125 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 06:35:12,126 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 06:35:12,126 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 06:35:12,126 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 06:35:12,126 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 06:35:12,126 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 06:35:12,126 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 06:35:12,126 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 06:35:12,126 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 06:35:12,126 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 06:35:12,126 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 06:35:12,127 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 06:35:12,127 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 06:35:12,127 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 06:35:12,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:35:12,127 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 06:35:12,127 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 06:35:12,127 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 06:35:12,127 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 06:35:12,128 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 06:35:12,128 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 06:35:12,128 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 06:35:12,128 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 06:35:12,128 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 06:35:12,128 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 06:35:12,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 06:35:12,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 06:35:12,327 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 06:35:12,328 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 06:35:12,328 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 06:35:12,329 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product06.cil.c [2022-01-10 06:35:12,365 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/855e9c420/cb54c15c8215461b9262360b5e6a9e77/FLAG7431b2063 [2022-01-10 06:35:12,757 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 06:35:12,758 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product06.cil.c [2022-01-10 06:35:12,773 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/855e9c420/cb54c15c8215461b9262360b5e6a9e77/FLAG7431b2063 [2022-01-10 06:35:12,787 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/855e9c420/cb54c15c8215461b9262360b5e6a9e77 [2022-01-10 06:35:12,789 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 06:35:12,791 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 06:35:12,792 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 06:35:12,793 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 06:35:12,795 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 06:35:12,795 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:35:12" (1/1) ... [2022-01-10 06:35:12,796 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3978a799 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:12, skipping insertion in model container [2022-01-10 06:35:12,796 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:35:12" (1/1) ... [2022-01-10 06:35:12,800 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 06:35:12,841 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:35:13,089 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product06.cil.c[17711,17724] [2022-01-10 06:35:13,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:35:13,102 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 06:35:13,107 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:35:13,159 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product06.cil.c[17711,17724] [2022-01-10 06:35:13,160 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:35:13,164 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 06:35:13,220 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product06.cil.c[17711,17724] [2022-01-10 06:35:13,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:35:13,232 INFO L208 MainTranslator]: Completed translation [2022-01-10 06:35:13,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:13 WrapperNode [2022-01-10 06:35:13,233 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 06:35:13,234 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 06:35:13,234 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 06:35:13,234 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 06:35:13,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:13" (1/1) ... [2022-01-10 06:35:13,258 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:13" (1/1) ... [2022-01-10 06:35:13,276 INFO L137 Inliner]: procedures = 55, calls = 152, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 211 [2022-01-10 06:35:13,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 06:35:13,277 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 06:35:13,277 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 06:35:13,277 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 06:35:13,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:13" (1/1) ... [2022-01-10 06:35:13,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:13" (1/1) ... [2022-01-10 06:35:13,286 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:13" (1/1) ... [2022-01-10 06:35:13,286 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:13" (1/1) ... [2022-01-10 06:35:13,291 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:13" (1/1) ... [2022-01-10 06:35:13,301 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:13" (1/1) ... [2022-01-10 06:35:13,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:13" (1/1) ... [2022-01-10 06:35:13,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 06:35:13,305 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 06:35:13,305 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 06:35:13,305 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 06:35:13,310 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:13" (1/1) ... [2022-01-10 06:35:13,316 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:35:13,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 06:35:13,333 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-10 06:35:13,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-10 06:35:13,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 06:35:13,387 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-01-10 06:35:13,387 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-01-10 06:35:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-01-10 06:35:13,388 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-01-10 06:35:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-01-10 06:35:13,389 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-01-10 06:35:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-01-10 06:35:13,389 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-01-10 06:35:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 06:35:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-01-10 06:35:13,389 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-01-10 06:35:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-01-10 06:35:13,389 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-01-10 06:35:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 06:35:13,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 06:35:13,442 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 06:35:13,444 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 06:35:13,673 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 06:35:13,678 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 06:35:13,678 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-10 06:35:13,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:35:13 BoogieIcfgContainer [2022-01-10 06:35:13,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 06:35:13,688 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 06:35:13,688 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 06:35:13,691 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 06:35:13,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:35:12" (1/3) ... [2022-01-10 06:35:13,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@173fa551 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:35:13, skipping insertion in model container [2022-01-10 06:35:13,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:35:13" (2/3) ... [2022-01-10 06:35:13,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@173fa551 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:35:13, skipping insertion in model container [2022-01-10 06:35:13,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:35:13" (3/3) ... [2022-01-10 06:35:13,692 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product06.cil.c [2022-01-10 06:35:13,695 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 06:35:13,695 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 06:35:13,737 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 06:35:13,741 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-10 06:35:13,741 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 06:35:13,759 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 60 states have (on average 1.3666666666666667) internal successors, (82), 66 states have internal predecessors, (82), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2022-01-10 06:35:13,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-01-10 06:35:13,763 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:13,763 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:35:13,764 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:13,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:13,767 INFO L85 PathProgramCache]: Analyzing trace with hash 382973099, now seen corresponding path program 1 times [2022-01-10 06:35:13,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:13,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1527893101] [2022-01-10 06:35:13,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:13,782 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:13,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:13,784 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:35:13,785 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-01-10 06:35:13,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:13,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 1 conjunts are in the unsatisfiable core [2022-01-10 06:35:13,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:13,982 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 06:35:13,982 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:13,983 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:13,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1527893101] [2022-01-10 06:35:13,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1527893101] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:13,984 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:13,985 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:35:13,986 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919415160] [2022-01-10 06:35:13,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:13,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 06:35:13,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:14,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 06:35:14,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:35:14,017 INFO L87 Difference]: Start difference. First operand has 78 states, 60 states have (on average 1.3666666666666667) internal successors, (82), 66 states have internal predecessors, (82), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 06:35:14,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:14,053 INFO L93 Difference]: Finished difference Result 147 states and 198 transitions. [2022-01-10 06:35:14,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 06:35:14,055 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-01-10 06:35:14,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:14,065 INFO L225 Difference]: With dead ends: 147 [2022-01-10 06:35:14,065 INFO L226 Difference]: Without dead ends: 69 [2022-01-10 06:35:14,069 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:35:14,073 INFO L933 BasicCegarLoop]: 96 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, 96 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:14,074 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:14,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-01-10 06:35:14,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2022-01-10 06:35:14,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 53 states have (on average 1.2830188679245282) internal successors, (68), 58 states have internal predecessors, (68), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-01-10 06:35:14,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 87 transitions. [2022-01-10 06:35:14,114 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 87 transitions. Word has length 32 [2022-01-10 06:35:14,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:14,115 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 87 transitions. [2022-01-10 06:35:14,115 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 06:35:14,115 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 87 transitions. [2022-01-10 06:35:14,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-10 06:35:14,118 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:14,119 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:35:14,128 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-01-10 06:35:14,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:35:14,331 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:14,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:14,332 INFO L85 PathProgramCache]: Analyzing trace with hash -387004671, now seen corresponding path program 1 times [2022-01-10 06:35:14,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:14,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1897103557] [2022-01-10 06:35:14,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:14,333 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:14,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:14,334 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:35:14,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-01-10 06:35:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:14,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:35:14,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:14,445 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 06:35:14,445 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:14,445 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:14,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1897103557] [2022-01-10 06:35:14,446 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1897103557] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:14,446 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:14,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:35:14,446 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376408016] [2022-01-10 06:35:14,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:14,447 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:35:14,447 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:14,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:35:14,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:35:14,448 INFO L87 Difference]: Start difference. First operand 69 states and 87 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 06:35:14,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:14,456 INFO L93 Difference]: Finished difference Result 102 states and 128 transitions. [2022-01-10 06:35:14,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:35:14,456 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-01-10 06:35:14,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:14,457 INFO L225 Difference]: With dead ends: 102 [2022-01-10 06:35:14,457 INFO L226 Difference]: Without dead ends: 60 [2022-01-10 06:35:14,458 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:35:14,459 INFO L933 BasicCegarLoop]: 74 mSDtfsCounter, 13 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:14,459 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 131 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:14,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-01-10 06:35:14,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2022-01-10 06:35:14,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 47 states have (on average 1.297872340425532) internal successors, (61), 52 states have internal predecessors, (61), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-01-10 06:35:14,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 75 transitions. [2022-01-10 06:35:14,464 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 75 transitions. Word has length 33 [2022-01-10 06:35:14,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:14,464 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 75 transitions. [2022-01-10 06:35:14,464 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 06:35:14,464 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2022-01-10 06:35:14,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-01-10 06:35:14,465 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:14,465 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:35:14,483 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-01-10 06:35:14,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:35:14,672 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:14,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:14,672 INFO L85 PathProgramCache]: Analyzing trace with hash 864379304, now seen corresponding path program 1 times [2022-01-10 06:35:14,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:14,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1985058209] [2022-01-10 06:35:14,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:14,673 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:14,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:14,674 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:35:14,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-01-10 06:35:14,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:14,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:35:14,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:14,788 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:35:14,788 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:14,788 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:14,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1985058209] [2022-01-10 06:35:14,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1985058209] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:14,791 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:14,791 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:35:14,792 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184202628] [2022-01-10 06:35:14,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:14,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:35:14,793 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:14,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:35:14,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:35:14,793 INFO L87 Difference]: Start difference. First operand 60 states and 75 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-10 06:35:14,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:14,826 INFO L93 Difference]: Finished difference Result 112 states and 143 transitions. [2022-01-10 06:35:14,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:35:14,826 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2022-01-10 06:35:14,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:14,829 INFO L225 Difference]: With dead ends: 112 [2022-01-10 06:35:14,829 INFO L226 Difference]: Without dead ends: 60 [2022-01-10 06:35:14,829 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:35:14,830 INFO L933 BasicCegarLoop]: 73 mSDtfsCounter, 62 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 73 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 06:35:14,830 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 73 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:14,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-01-10 06:35:14,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2022-01-10 06:35:14,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 47 states have (on average 1.2765957446808511) internal successors, (60), 52 states have internal predecessors, (60), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-01-10 06:35:14,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 74 transitions. [2022-01-10 06:35:14,835 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 74 transitions. Word has length 38 [2022-01-10 06:35:14,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:14,836 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 74 transitions. [2022-01-10 06:35:14,836 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-10 06:35:14,836 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 74 transitions. [2022-01-10 06:35:14,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-01-10 06:35:14,837 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:35:14,837 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:35:14,867 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-01-10 06:35:15,051 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:35:15,052 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:35:15,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:35:15,052 INFO L85 PathProgramCache]: Analyzing trace with hash -627791397, now seen corresponding path program 1 times [2022-01-10 06:35:15,053 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:35:15,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1222104689] [2022-01-10 06:35:15,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:35:15,053 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:35:15,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:35:15,054 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:35:15,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-01-10 06:35:15,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:35:15,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-10 06:35:15,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:35:15,245 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-10 06:35:15,246 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:35:15,246 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:35:15,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1222104689] [2022-01-10 06:35:15,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1222104689] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:35:15,246 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:35:15,246 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:35:15,246 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004839462] [2022-01-10 06:35:15,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:35:15,247 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:35:15,247 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:35:15,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:35:15,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:35:15,247 INFO L87 Difference]: Start difference. First operand 60 states and 74 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (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 06:35:15,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:35:15,307 INFO L93 Difference]: Finished difference Result 105 states and 131 transitions. [2022-01-10 06:35:15,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 06:35:15,308 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (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 43 [2022-01-10 06:35:15,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:35:15,308 INFO L225 Difference]: With dead ends: 105 [2022-01-10 06:35:15,308 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 06:35:15,311 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-01-10 06:35:15,315 INFO L933 BasicCegarLoop]: 56 mSDtfsCounter, 23 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:35:15,316 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 204 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:35:15,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 06:35:15,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 06:35:15,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 06:35:15,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 06:35:15,318 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2022-01-10 06:35:15,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:35:15,318 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 06:35:15,318 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (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 06:35:15,318 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 06:35:15,319 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 06:35:15,320 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 06:35:15,337 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-01-10 06:35:15,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:35:15,529 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 06:35:15,749 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 280 286) no Hoare annotation was computed. [2022-01-10 06:35:15,749 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 280 286) the Hoare annotation is: true [2022-01-10 06:35:15,749 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 82 93) the Hoare annotation is: true [2022-01-10 06:35:15,749 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 82 93) no Hoare annotation was computed. [2022-01-10 06:35:15,749 INFO L858 garLoopResultBuilder]: For program point L86-1(lines 82 93) no Hoare annotation was computed. [2022-01-10 06:35:15,749 INFO L858 garLoopResultBuilder]: For program point L416(line 416) no Hoare annotation was computed. [2022-01-10 06:35:15,749 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 395 424) no Hoare annotation was computed. [2022-01-10 06:35:15,749 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 395 424) the Hoare annotation is: true [2022-01-10 06:35:15,749 INFO L858 garLoopResultBuilder]: For program point L409(lines 409 413) no Hoare annotation was computed. [2022-01-10 06:35:15,749 INFO L861 garLoopResultBuilder]: At program point L409-1(lines 409 413) the Hoare annotation is: true [2022-01-10 06:35:15,749 INFO L858 garLoopResultBuilder]: For program point L406(line 406) no Hoare annotation was computed. [2022-01-10 06:35:15,750 INFO L861 garLoopResultBuilder]: At program point L405-2(lines 405 419) the Hoare annotation is: true [2022-01-10 06:35:15,750 INFO L861 garLoopResultBuilder]: At program point L401(line 401) the Hoare annotation is: true [2022-01-10 06:35:15,750 INFO L858 garLoopResultBuilder]: For program point L401-1(line 401) no Hoare annotation was computed. [2022-01-10 06:35:15,750 INFO L861 garLoopResultBuilder]: At program point L420(lines 395 424) the Hoare annotation is: true [2022-01-10 06:35:15,750 INFO L858 garLoopResultBuilder]: For program point L267-1(lines 267 273) no Hoare annotation was computed. [2022-01-10 06:35:15,750 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 304) no Hoare annotation was computed. [2022-01-10 06:35:15,750 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 253 279) no Hoare annotation was computed. [2022-01-10 06:35:15,750 INFO L858 garLoopResultBuilder]: For program point L292(lines 292 309) no Hoare annotation was computed. [2022-01-10 06:35:15,750 INFO L854 garLoopResultBuilder]: At program point L131(lines 126 134) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:15,750 INFO L854 garLoopResultBuilder]: At program point L507(line 507) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:15,750 INFO L858 garLoopResultBuilder]: For program point L507-1(line 507) no Hoare annotation was computed. [2022-01-10 06:35:15,750 INFO L858 garLoopResultBuilder]: For program point L912(line 912) no Hoare annotation was computed. [2022-01-10 06:35:15,750 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 534) no Hoare annotation was computed. [2022-01-10 06:35:15,750 INFO L858 garLoopResultBuilder]: For program point L520(lines 520 537) no Hoare annotation was computed. [2022-01-10 06:35:15,750 INFO L854 garLoopResultBuilder]: At program point L520-1(lines 512 540) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:15,751 INFO L854 garLoopResultBuilder]: At program point L326(lines 321 328) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32)))) [2022-01-10 06:35:15,751 INFO L858 garLoopResultBuilder]: For program point L260(lines 260 266) no Hoare annotation was computed. [2022-01-10 06:35:15,751 INFO L854 garLoopResultBuilder]: At program point L99(lines 94 102) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32)))) [2022-01-10 06:35:15,751 INFO L858 garLoopResultBuilder]: For program point L260-2(lines 256 278) no Hoare annotation was computed. [2022-01-10 06:35:15,751 INFO L858 garLoopResultBuilder]: For program point L62(lines 62 66) no Hoare annotation was computed. [2022-01-10 06:35:15,751 INFO L854 garLoopResultBuilder]: At program point L62-2(lines 58 69) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32)))) [2022-01-10 06:35:15,751 INFO L854 garLoopResultBuilder]: At program point L913(lines 908 915) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32)))) [2022-01-10 06:35:15,751 INFO L854 garLoopResultBuilder]: At program point L302(line 302) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32)))) [2022-01-10 06:35:15,751 INFO L858 garLoopResultBuilder]: For program point L525(lines 525 531) no Hoare annotation was computed. [2022-01-10 06:35:15,751 INFO L854 garLoopResultBuilder]: At program point L509(lines 502 511) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:15,751 INFO L854 garLoopResultBuilder]: At program point L307(line 307) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:15,751 INFO L854 garLoopResultBuilder]: At program point L307-1(lines 288 312) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:15,751 INFO L854 garLoopResultBuilder]: At program point L336(lines 329 339) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32)))) [2022-01-10 06:35:15,752 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 253 279) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:15,752 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 253 279) no Hoare annotation was computed. [2022-01-10 06:35:15,752 INFO L854 garLoopResultBuilder]: At program point L522(line 522) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:15,752 INFO L858 garLoopResultBuilder]: For program point L522-1(line 522) no Hoare annotation was computed. [2022-01-10 06:35:15,752 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 912) no Hoare annotation was computed. [2022-01-10 06:35:15,752 INFO L858 garLoopResultBuilder]: For program point L225(lines 225 229) no Hoare annotation was computed. [2022-01-10 06:35:15,752 INFO L854 garLoopResultBuilder]: At program point L225-2(lines 217 230) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:15,752 INFO L858 garLoopResultBuilder]: For program point L188(lines 187 234) no Hoare annotation was computed. [2022-01-10 06:35:15,752 INFO L858 garLoopResultBuilder]: For program point L217(lines 217 230) no Hoare annotation was computed. [2022-01-10 06:35:15,752 INFO L854 garLoopResultBuilder]: At program point L209(line 209) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:15,752 INFO L861 garLoopResultBuilder]: At program point L465(lines 457 467) the Hoare annotation is: true [2022-01-10 06:35:15,752 INFO L861 garLoopResultBuilder]: At program point L238(lines 177 242) the Hoare annotation is: true [2022-01-10 06:35:15,752 INFO L854 garLoopResultBuilder]: At program point L453(lines 449 455) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:15,753 INFO L858 garLoopResultBuilder]: For program point L197(lines 197 203) no Hoare annotation was computed. [2022-01-10 06:35:15,753 INFO L858 garLoopResultBuilder]: For program point L197-1(lines 197 203) no Hoare annotation was computed. [2022-01-10 06:35:15,753 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 06:35:15,753 INFO L858 garLoopResultBuilder]: For program point L478(lines 478 485) no Hoare annotation was computed. [2022-01-10 06:35:15,753 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 06:35:15,753 INFO L858 garLoopResultBuilder]: For program point L189(lines 189 193) no Hoare annotation was computed. [2022-01-10 06:35:15,753 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 06:35:15,753 INFO L858 garLoopResultBuilder]: For program point L478-2(lines 478 485) no Hoare annotation was computed. [2022-01-10 06:35:15,753 INFO L854 garLoopResultBuilder]: At program point L499(lines 494 501) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:15,753 INFO L854 garLoopResultBuilder]: At program point L235(lines 186 236) the Hoare annotation is: false [2022-01-10 06:35:15,753 INFO L854 garLoopResultBuilder]: At program point L169(lines 164 172) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:15,753 INFO L861 garLoopResultBuilder]: At program point L487(lines 468 490) the Hoare annotation is: true [2022-01-10 06:35:15,753 INFO L854 garLoopResultBuilder]: At program point L161(lines 157 163) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:15,753 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 06:35:15,753 INFO L858 garLoopResultBuilder]: For program point L207(lines 207 213) no Hoare annotation was computed. [2022-01-10 06:35:15,753 INFO L858 garLoopResultBuilder]: For program point L207-1(lines 207 213) no Hoare annotation was computed. [2022-01-10 06:35:15,754 INFO L854 garLoopResultBuilder]: At program point L232(lines 187 234) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:15,754 INFO L854 garLoopResultBuilder]: At program point L199(line 199) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:15,754 INFO L854 garLoopResultBuilder]: At program point L154(lines 150 156) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:15,754 INFO L854 garLoopResultBuilder]: At program point L390(lines 385 392) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:35:15,754 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 70 81) no Hoare annotation was computed. [2022-01-10 06:35:15,754 INFO L858 garLoopResultBuilder]: For program point L74-1(lines 70 81) no Hoare annotation was computed. [2022-01-10 06:35:15,754 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 70 81) the Hoare annotation is: true [2022-01-10 06:35:15,754 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 340 348) no Hoare annotation was computed. [2022-01-10 06:35:15,754 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 340 348) the Hoare annotation is: true [2022-01-10 06:35:15,754 INFO L858 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 340 348) no Hoare annotation was computed. [2022-01-10 06:35:15,756 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-01-10 06:35:15,757 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 06:35:15,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:35:15 BoogieIcfgContainer [2022-01-10 06:35:15,792 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 06:35:15,792 INFO L158 Benchmark]: Toolchain (without parser) took 3000.81ms. Allocated memory was 256.9MB in the beginning and 358.6MB in the end (delta: 101.7MB). Free memory was 201.5MB in the beginning and 201.5MB in the end (delta: -21.9kB). Peak memory consumption was 102.3MB. Max. memory is 8.0GB. [2022-01-10 06:35:15,792 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 256.9MB. Free memory is still 218.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 06:35:15,793 INFO L158 Benchmark]: CACSL2BoogieTranslator took 440.65ms. Allocated memory was 256.9MB in the beginning and 358.6MB in the end (delta: 101.7MB). Free memory was 201.3MB in the beginning and 316.7MB in the end (delta: -115.5MB). Peak memory consumption was 8.0MB. Max. memory is 8.0GB. [2022-01-10 06:35:15,793 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.22ms. Allocated memory is still 358.6MB. Free memory was 316.7MB in the beginning and 314.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 06:35:15,793 INFO L158 Benchmark]: Boogie Preprocessor took 27.15ms. Allocated memory is still 358.6MB. Free memory was 314.3MB in the beginning and 312.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 06:35:15,793 INFO L158 Benchmark]: RCFGBuilder took 374.64ms. Allocated memory is still 358.6MB. Free memory was 312.7MB in the beginning and 295.4MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-01-10 06:35:15,793 INFO L158 Benchmark]: TraceAbstraction took 2104.33ms. Allocated memory is still 358.6MB. Free memory was 294.9MB in the beginning and 201.5MB in the end (delta: 93.3MB). Peak memory consumption was 93.3MB. Max. memory is 8.0GB. [2022-01-10 06:35:15,794 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 256.9MB. Free memory is still 218.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 440.65ms. Allocated memory was 256.9MB in the beginning and 358.6MB in the end (delta: 101.7MB). Free memory was 201.3MB in the beginning and 316.7MB in the end (delta: -115.5MB). Peak memory consumption was 8.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 43.22ms. Allocated memory is still 358.6MB. Free memory was 316.7MB in the beginning and 314.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.15ms. Allocated memory is still 358.6MB. Free memory was 314.3MB in the beginning and 312.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 374.64ms. Allocated memory is still 358.6MB. Free memory was 312.7MB in the beginning and 295.4MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 2104.33ms. Allocated memory is still 358.6MB. Free memory was 294.9MB in the beginning and 201.5MB in the end (delta: 93.3MB). Peak memory consumption was 93.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 912]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 78 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 102 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 98 mSDsluCounter, 504 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 205 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 299 mSDtfsCounter, 35 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 144 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 37 LocationsWithAnnotation, 163 PreInvPairs, 178 NumberOfFragments, 248 HoareAnnotationTreeSize, 163 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 37 FomulaSimplificationsInter, 102 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 146 NumberOfCodeBlocks, 146 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 142 ConstructedInterpolants, 0 QuantifiedInterpolants, 256 SizeOfPredicates, 4 NumberOfNonLiveVariables, 674 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 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: 321]: Loop Invariant Derived loop invariant: !(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32) - InvariantResult [Line: 288]: Loop Invariant Derived loop invariant: (!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || 0bv32 == pumpRunning - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: !(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32) - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: (!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || 0bv32 == pumpRunning - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: !(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32) - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: systemActive == 1bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && splverifierCounter == 0bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: (!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || 0bv32 == pumpRunning - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: systemActive == 1bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: systemActive == 1bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: systemActive == 1bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: !(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32) - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: systemActive == 1bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 468]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: (!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || 0bv32 == pumpRunning - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && splverifierCounter == 0bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 329]: Loop Invariant Derived loop invariant: !(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32) RESULT: Ultimate proved your program to be correct! [2022-01-10 06:35:15,823 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...