/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_spec1_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 06:32:00,408 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 06:32:00,409 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 06:32:00,445 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 06:32:00,445 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 06:32:00,446 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 06:32:00,447 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 06:32:00,449 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 06:32:00,450 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 06:32:00,451 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 06:32:00,468 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 06:32:00,472 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 06:32:00,472 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 06:32:00,476 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 06:32:00,479 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 06:32:00,479 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 06:32:00,480 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 06:32:00,481 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 06:32:00,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 06:32:00,483 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 06:32:00,484 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 06:32:00,490 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 06:32:00,493 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 06:32:00,494 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 06:32:00,497 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 06:32:00,498 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 06:32:00,498 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 06:32:00,499 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 06:32:00,499 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 06:32:00,499 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 06:32:00,500 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 06:32:00,500 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 06:32:00,501 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 06:32:00,501 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 06:32:00,502 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 06:32:00,502 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 06:32:00,503 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 06:32:00,503 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 06:32:00,503 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 06:32:00,504 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 06:32:00,504 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 06:32:00,511 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 06:32:00,530 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 06:32:00,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 06:32:00,530 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 06:32:00,530 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 06:32:00,531 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 06:32:00,531 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 06:32:00,531 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 06:32:00,532 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 06:32:00,532 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 06:32:00,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 06:32:00,532 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 06:32:00,532 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 06:32:00,532 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 06:32:00,532 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 06:32:00,532 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 06:32:00,533 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 06:32:00,533 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 06:32:00,533 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 06:32:00,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 06:32:00,533 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 06:32:00,533 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 06:32:00,533 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 06:32:00,533 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 06:32:00,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:32:00,534 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 06:32:00,534 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 06:32:00,534 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 06:32:00,534 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 06:32:00,534 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 06:32:00,534 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 06:32:00,534 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 06:32:00,534 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 06:32:00,535 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 06:32:00,535 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 06:32:00,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 06:32:00,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 06:32:00,777 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 06:32:00,778 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 06:32:00,780 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 06:32:00,780 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product21.cil.c [2022-01-10 06:32:00,834 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/479477385/001f2e03ec2c43a8b3914376129eac85/FLAGc5f3a3316 [2022-01-10 06:32:01,233 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 06:32:01,234 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product21.cil.c [2022-01-10 06:32:01,254 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/479477385/001f2e03ec2c43a8b3914376129eac85/FLAGc5f3a3316 [2022-01-10 06:32:01,264 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/479477385/001f2e03ec2c43a8b3914376129eac85 [2022-01-10 06:32:01,266 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 06:32:01,267 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 06:32:01,270 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 06:32:01,270 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 06:32:01,273 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 06:32:01,274 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:32:01" (1/1) ... [2022-01-10 06:32:01,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68c3b353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:01, skipping insertion in model container [2022-01-10 06:32:01,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:32:01" (1/1) ... [2022-01-10 06:32:01,280 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 06:32:01,324 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:32:01,557 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_spec1_product21.cil.c[17902,17915] [2022-01-10 06:32:01,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:32:01,569 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 06:32:01,575 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:32:01,622 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_spec1_product21.cil.c[17902,17915] [2022-01-10 06:32:01,622 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:32:01,626 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 06:32:01,709 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_spec1_product21.cil.c[17902,17915] [2022-01-10 06:32:01,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:32:01,730 INFO L208 MainTranslator]: Completed translation [2022-01-10 06:32:01,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:01 WrapperNode [2022-01-10 06:32:01,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 06:32:01,731 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 06:32:01,731 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 06:32:01,732 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 06:32:01,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:01" (1/1) ... [2022-01-10 06:32:01,765 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:01" (1/1) ... [2022-01-10 06:32:01,786 INFO L137 Inliner]: procedures = 55, calls = 153, calls flagged for inlining = 19, calls inlined = 16, statements flattened = 220 [2022-01-10 06:32:01,787 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 06:32:01,787 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 06:32:01,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 06:32:01,787 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 06:32:01,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:01" (1/1) ... [2022-01-10 06:32:01,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:01" (1/1) ... [2022-01-10 06:32:01,800 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:01" (1/1) ... [2022-01-10 06:32:01,800 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:01" (1/1) ... [2022-01-10 06:32:01,807 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:01" (1/1) ... [2022-01-10 06:32:01,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:01" (1/1) ... [2022-01-10 06:32:01,813 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:01" (1/1) ... [2022-01-10 06:32:01,815 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 06:32:01,816 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 06:32:01,816 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 06:32:01,816 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 06:32:01,824 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:01" (1/1) ... [2022-01-10 06:32:01,828 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:32:01,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 06:32:01,848 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 06:32:01,851 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 06:32:01,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 06:32:01,877 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-01-10 06:32:01,877 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-01-10 06:32:01,877 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-01-10 06:32:01,877 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-01-10 06:32:01,877 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-01-10 06:32:01,878 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-01-10 06:32:01,878 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-01-10 06:32:01,878 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-01-10 06:32:01,878 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-01-10 06:32:01,878 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-01-10 06:32:01,878 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2022-01-10 06:32:01,878 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2022-01-10 06:32:01,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 06:32:01,879 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-01-10 06:32:01,879 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-01-10 06:32:01,879 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-01-10 06:32:01,879 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-01-10 06:32:01,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 06:32:01,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 06:32:01,952 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 06:32:01,955 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 06:32:02,234 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 06:32:02,241 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 06:32:02,241 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-10 06:32:02,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:32:02 BoogieIcfgContainer [2022-01-10 06:32:02,243 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 06:32:02,244 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 06:32:02,245 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 06:32:02,252 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 06:32:02,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:32:01" (1/3) ... [2022-01-10 06:32:02,253 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e887b0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:32:02, skipping insertion in model container [2022-01-10 06:32:02,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:32:01" (2/3) ... [2022-01-10 06:32:02,253 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e887b0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:32:02, skipping insertion in model container [2022-01-10 06:32:02,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:32:02" (3/3) ... [2022-01-10 06:32:02,254 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product21.cil.c [2022-01-10 06:32:02,266 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 06:32:02,266 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 06:32:02,312 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 06:32:02,317 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 06:32:02,318 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 06:32:02,347 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 63 states have (on average 1.380952380952381) internal successors, (87), 71 states have internal predecessors, (87), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2022-01-10 06:32:02,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-01-10 06:32:02,354 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:02,354 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] [2022-01-10 06:32:02,355 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:02,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:02,359 INFO L85 PathProgramCache]: Analyzing trace with hash -362708314, now seen corresponding path program 1 times [2022-01-10 06:32:02,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:02,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1894258533] [2022-01-10 06:32:02,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:02,372 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:02,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:02,377 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 06:32:02,410 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 06:32:02,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:02,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 1 conjunts are in the unsatisfiable core [2022-01-10 06:32:02,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:02,612 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 06:32:02,612 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:02,613 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:02,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1894258533] [2022-01-10 06:32:02,614 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1894258533] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:02,614 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:02,614 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:32:02,615 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666306644] [2022-01-10 06:32:02,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:02,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 06:32:02,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:02,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 06:32:02,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:32:02,641 INFO L87 Difference]: Start difference. First operand has 87 states, 63 states have (on average 1.380952380952381) internal successors, (87), 71 states have internal predecessors, (87), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 06:32:02,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:02,665 INFO L93 Difference]: Finished difference Result 166 states and 225 transitions. [2022-01-10 06:32:02,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 06:32:02,667 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 23 [2022-01-10 06:32:02,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:02,673 INFO L225 Difference]: With dead ends: 166 [2022-01-10 06:32:02,673 INFO L226 Difference]: Without dead ends: 78 [2022-01-10 06:32:02,676 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 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 06:32:02,679 INFO L933 BasicCegarLoop]: 109 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, 109 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 06:32:02,679 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:32:02,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-01-10 06:32:02,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2022-01-10 06:32:02,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 56 states have (on average 1.3035714285714286) internal successors, (73), 63 states have internal predecessors, (73), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2022-01-10 06:32:02,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 100 transitions. [2022-01-10 06:32:02,737 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 100 transitions. Word has length 23 [2022-01-10 06:32:02,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:02,738 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 100 transitions. [2022-01-10 06:32:02,738 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 06:32:02,738 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2022-01-10 06:32:02,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-01-10 06:32:02,757 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:02,757 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] [2022-01-10 06:32:02,774 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 06:32:02,958 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 06:32:02,958 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:02,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:02,959 INFO L85 PathProgramCache]: Analyzing trace with hash -218724726, now seen corresponding path program 1 times [2022-01-10 06:32:02,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:02,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [452784304] [2022-01-10 06:32:02,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:02,961 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:02,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:02,964 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 06:32:02,966 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 06:32:03,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:03,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:32:03,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:03,110 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 06:32:03,110 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:03,110 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:03,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [452784304] [2022-01-10 06:32:03,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [452784304] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:03,111 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:03,111 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:32:03,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390938505] [2022-01-10 06:32:03,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:03,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:32:03,117 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:03,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:32:03,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:32:03,120 INFO L87 Difference]: Start difference. First operand 78 states and 100 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 06:32:03,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:03,139 INFO L93 Difference]: Finished difference Result 122 states and 156 transitions. [2022-01-10 06:32:03,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:32:03,140 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 24 [2022-01-10 06:32:03,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:03,141 INFO L225 Difference]: With dead ends: 122 [2022-01-10 06:32:03,141 INFO L226 Difference]: Without dead ends: 69 [2022-01-10 06:32:03,142 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 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 06:32:03,143 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 12 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 158 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 06:32:03,144 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 158 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:32:03,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-01-10 06:32:03,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2022-01-10 06:32:03,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 50 states have (on average 1.32) internal successors, (66), 57 states have internal predecessors, (66), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-01-10 06:32:03,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 88 transitions. [2022-01-10 06:32:03,160 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 88 transitions. Word has length 24 [2022-01-10 06:32:03,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:03,160 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 88 transitions. [2022-01-10 06:32:03,160 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 06:32:03,160 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 88 transitions. [2022-01-10 06:32:03,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-01-10 06:32:03,161 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:03,161 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] [2022-01-10 06:32:03,172 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 06:32:03,367 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 06:32:03,367 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:03,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:03,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1486339720, now seen corresponding path program 1 times [2022-01-10 06:32:03,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:03,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [511190032] [2022-01-10 06:32:03,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:03,369 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:03,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:03,371 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 06:32:03,372 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 06:32:03,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:03,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:32:03,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:03,487 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 06:32:03,487 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:03,487 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:03,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [511190032] [2022-01-10 06:32:03,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [511190032] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:03,488 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:03,488 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:32:03,488 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034687101] [2022-01-10 06:32:03,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:03,488 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:32:03,489 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:03,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:32:03,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:32:03,489 INFO L87 Difference]: Start difference. First operand 69 states and 88 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 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 06:32:03,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:03,500 INFO L93 Difference]: Finished difference Result 131 states and 170 transitions. [2022-01-10 06:32:03,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:32:03,501 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 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 28 [2022-01-10 06:32:03,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:03,502 INFO L225 Difference]: With dead ends: 131 [2022-01-10 06:32:03,502 INFO L226 Difference]: Without dead ends: 69 [2022-01-10 06:32:03,503 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 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 06:32:03,504 INFO L933 BasicCegarLoop]: 86 mSDtfsCounter, 70 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 86 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 06:32:03,504 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [70 Valid, 86 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:32:03,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-01-10 06:32:03,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2022-01-10 06:32:03,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 50 states have (on average 1.3) internal successors, (65), 57 states have internal predecessors, (65), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-01-10 06:32:03,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 87 transitions. [2022-01-10 06:32:03,513 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 87 transitions. Word has length 28 [2022-01-10 06:32:03,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:03,513 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 87 transitions. [2022-01-10 06:32:03,513 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 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 06:32:03,513 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 87 transitions. [2022-01-10 06:32:03,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-01-10 06:32:03,514 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:03,514 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] [2022-01-10 06:32:03,528 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 06:32:03,723 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 06:32:03,724 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:03,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:03,724 INFO L85 PathProgramCache]: Analyzing trace with hash -123142813, now seen corresponding path program 1 times [2022-01-10 06:32:03,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:03,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1956070092] [2022-01-10 06:32:03,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:03,725 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:03,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:03,726 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 06:32:03,728 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 06:32:03,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:03,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-10 06:32:03,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:03,882 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 06:32:03,882 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:03,882 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:03,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1956070092] [2022-01-10 06:32:03,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1956070092] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:03,882 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:03,883 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:32:03,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491801147] [2022-01-10 06:32:03,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:03,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:32:03,883 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:03,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:32:03,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:32:03,884 INFO L87 Difference]: Start difference. First operand 69 states and 87 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 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 06:32:03,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:03,964 INFO L93 Difference]: Finished difference Result 192 states and 249 transitions. [2022-01-10 06:32:03,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 06:32:03,965 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 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 38 [2022-01-10 06:32:03,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:03,972 INFO L225 Difference]: With dead ends: 192 [2022-01-10 06:32:03,972 INFO L226 Difference]: Without dead ends: 130 [2022-01-10 06:32:03,973 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 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 06:32:03,974 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 51 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:32:03,974 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 412 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:32:03,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2022-01-10 06:32:03,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 127. [2022-01-10 06:32:03,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 90 states have (on average 1.3) internal successors, (117), 103 states have internal predecessors, (117), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (23), 14 states have call predecessors, (23), 22 states have call successors, (23) [2022-01-10 06:32:03,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 162 transitions. [2022-01-10 06:32:03,990 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 162 transitions. Word has length 38 [2022-01-10 06:32:03,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:03,990 INFO L470 AbstractCegarLoop]: Abstraction has 127 states and 162 transitions. [2022-01-10 06:32:03,991 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 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 06:32:03,991 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 162 transitions. [2022-01-10 06:32:03,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-01-10 06:32:03,992 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:32:03,993 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] [2022-01-10 06:32:04,003 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 06:32:04,201 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 06:32:04,201 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:32:04,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:32:04,202 INFO L85 PathProgramCache]: Analyzing trace with hash -277876569, now seen corresponding path program 1 times [2022-01-10 06:32:04,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:32:04,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [270602456] [2022-01-10 06:32:04,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:32:04,203 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:32:04,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:32:04,204 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 06:32:04,208 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 06:32:04,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:32:04,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjunts are in the unsatisfiable core [2022-01-10 06:32:04,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:32:04,372 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 06:32:04,372 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:32:04,373 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:32:04,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [270602456] [2022-01-10 06:32:04,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [270602456] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:32:04,373 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:32:04,373 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-10 06:32:04,373 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090080610] [2022-01-10 06:32:04,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:32:04,374 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 06:32:04,374 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:32:04,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 06:32:04,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-10 06:32:04,375 INFO L87 Difference]: Start difference. First operand 127 states and 162 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 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 06:32:04,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:32:04,481 INFO L93 Difference]: Finished difference Result 212 states and 271 transitions. [2022-01-10 06:32:04,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 06:32:04,482 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 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 42 [2022-01-10 06:32:04,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:32:04,482 INFO L225 Difference]: With dead ends: 212 [2022-01-10 06:32:04,482 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 06:32:04,484 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-01-10 06:32:04,486 INFO L933 BasicCegarLoop]: 46 mSDtfsCounter, 48 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 06:32:04,487 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [49 Valid, 134 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 06:32:04,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 06:32:04,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 06:32:04,487 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 06:32:04,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 06:32:04,488 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2022-01-10 06:32:04,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:32:04,488 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 06:32:04,488 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 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 06:32:04,488 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 06:32:04,489 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 06:32:04,491 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 06:32:04,502 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 06:32:04,700 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 06:32:04,702 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 06:32:05,206 INFO L861 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 838 845) the Hoare annotation is: true [2022-01-10 06:32:05,207 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 838 845) no Hoare annotation was computed. [2022-01-10 06:32:05,207 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 838 845) no Hoare annotation was computed. [2022-01-10 06:32:05,207 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 771 777) no Hoare annotation was computed. [2022-01-10 06:32:05,207 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 771 777) the Hoare annotation is: true [2022-01-10 06:32:05,207 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 579 590) the Hoare annotation is: (or (not (= (_ bv0 32) ~pumpRunning~0)) (not (= ~systemActive~0 (_ bv1 32))) (= ~methaneLevelCritical~0 (_ bv0 32)) (not (= |old(~methaneLevelCritical~0)| (_ bv0 32)))) [2022-01-10 06:32:05,207 INFO L858 garLoopResultBuilder]: For program point L583-1(lines 579 590) no Hoare annotation was computed. [2022-01-10 06:32:05,208 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 579 590) no Hoare annotation was computed. [2022-01-10 06:32:05,208 INFO L854 garLoopResultBuilder]: At program point L927(lines 922 929) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32)))) [2022-01-10 06:32:05,208 INFO L854 garLoopResultBuilder]: At program point L824(line 824) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:05,208 INFO L854 garLoopResultBuilder]: At program point L824-1(lines 805 829) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:05,208 INFO L854 garLoopResultBuilder]: At program point L853(lines 846 856) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32)))) [2022-01-10 06:32:05,208 INFO L858 garLoopResultBuilder]: For program point L758-1(lines 758 764) no Hoare annotation was computed. [2022-01-10 06:32:05,208 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 747 770) no Hoare annotation was computed. [2022-01-10 06:32:05,209 INFO L854 garLoopResultBuilder]: At program point L862(lines 857 865) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (or .cse0 .cse1 (and (= |timeShift_isPumpRunning_#res#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0))))) [2022-01-10 06:32:05,209 INFO L858 garLoopResultBuilder]: For program point L751-1(lines 750 769) no Hoare annotation was computed. [2022-01-10 06:32:05,209 INFO L858 garLoopResultBuilder]: For program point L813(lines 813 821) no Hoare annotation was computed. [2022-01-10 06:32:05,209 INFO L858 garLoopResultBuilder]: For program point L809(lines 809 826) no Hoare annotation was computed. [2022-01-10 06:32:05,209 INFO L854 garLoopResultBuilder]: At program point L425(line 425) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:05,209 INFO L858 garLoopResultBuilder]: For program point L425-1(line 425) no Hoare annotation was computed. [2022-01-10 06:32:05,209 INFO L854 garLoopResultBuilder]: At program point L851(line 851) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32)))) [2022-01-10 06:32:05,209 INFO L858 garLoopResultBuilder]: For program point L851-1(line 851) no Hoare annotation was computed. [2022-01-10 06:32:05,210 INFO L858 garLoopResultBuilder]: For program point L926(line 926) no Hoare annotation was computed. [2022-01-10 06:32:05,210 INFO L854 garLoopResultBuilder]: At program point L819(line 819) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32)))) [2022-01-10 06:32:05,210 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 747 770) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:05,210 INFO L858 garLoopResultBuilder]: For program point L559(lines 559 563) no Hoare annotation was computed. [2022-01-10 06:32:05,210 INFO L854 garLoopResultBuilder]: At program point L815(line 815) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32)))) [2022-01-10 06:32:05,210 INFO L858 garLoopResultBuilder]: For program point L431(lines 431 437) no Hoare annotation was computed. [2022-01-10 06:32:05,210 INFO L854 garLoopResultBuilder]: At program point L559-2(lines 555 566) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32)))) [2022-01-10 06:32:05,211 INFO L858 garLoopResultBuilder]: For program point L427(lines 427 440) no Hoare annotation was computed. [2022-01-10 06:32:05,211 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 747 770) no Hoare annotation was computed. [2022-01-10 06:32:05,211 INFO L854 garLoopResultBuilder]: At program point L427-1(lines 419 443) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (= (_ bv0 32) |timeShift___utac_acc__Specification1_spec__1_~tmp~3#1|) (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (or .cse0 .cse1 (= (_ bv0 32) ~pumpRunning~0)))) [2022-01-10 06:32:05,211 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 926) no Hoare annotation was computed. [2022-01-10 06:32:05,211 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 447 476) no Hoare annotation was computed. [2022-01-10 06:32:05,211 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 447 476) the Hoare annotation is: true [2022-01-10 06:32:05,211 INFO L861 garLoopResultBuilder]: At program point L472(lines 447 476) the Hoare annotation is: true [2022-01-10 06:32:05,211 INFO L858 garLoopResultBuilder]: For program point L468(line 468) no Hoare annotation was computed. [2022-01-10 06:32:05,212 INFO L858 garLoopResultBuilder]: For program point L461(lines 461 465) no Hoare annotation was computed. [2022-01-10 06:32:05,212 INFO L861 garLoopResultBuilder]: At program point L461-1(lines 461 465) the Hoare annotation is: true [2022-01-10 06:32:05,212 INFO L858 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2022-01-10 06:32:05,212 INFO L861 garLoopResultBuilder]: At program point L457-2(lines 457 471) the Hoare annotation is: true [2022-01-10 06:32:05,212 INFO L861 garLoopResultBuilder]: At program point L453(line 453) the Hoare annotation is: true [2022-01-10 06:32:05,212 INFO L858 garLoopResultBuilder]: For program point L453-1(line 453) no Hoare annotation was computed. [2022-01-10 06:32:05,212 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 591 599) the Hoare annotation is: true [2022-01-10 06:32:05,212 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 591 599) no Hoare annotation was computed. [2022-01-10 06:32:05,212 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 591 599) no Hoare annotation was computed. [2022-01-10 06:32:05,212 INFO L854 garLoopResultBuilder]: At program point L733(lines 686 734) the Hoare annotation is: false [2022-01-10 06:32:05,213 INFO L858 garLoopResultBuilder]: For program point L535(lines 535 542) no Hoare annotation was computed. [2022-01-10 06:32:05,213 INFO L858 garLoopResultBuilder]: For program point L535-2(lines 535 542) no Hoare annotation was computed. [2022-01-10 06:32:05,213 INFO L858 garLoopResultBuilder]: For program point L688(lines 687 732) no Hoare annotation was computed. [2022-01-10 06:32:05,213 INFO L858 garLoopResultBuilder]: For program point L717(lines 717 728) no Hoare annotation was computed. [2022-01-10 06:32:05,213 INFO L861 garLoopResultBuilder]: At program point L519(lines 512 521) the Hoare annotation is: true [2022-01-10 06:32:05,213 INFO L854 garLoopResultBuilder]: At program point L709(line 709) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:05,213 INFO L854 garLoopResultBuilder]: At program point L672(lines 667 675) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:05,213 INFO L861 garLoopResultBuilder]: At program point L544(lines 525 547) the Hoare annotation is: true [2022-01-10 06:32:05,213 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 06:32:05,213 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 06:32:05,214 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 06:32:05,214 INFO L854 garLoopResultBuilder]: At program point L730(lines 687 732) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:05,214 INFO L858 garLoopResultBuilder]: For program point L697(lines 697 703) no Hoare annotation was computed. [2022-01-10 06:32:05,214 INFO L854 garLoopResultBuilder]: At program point L664(lines 660 666) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:05,214 INFO L858 garLoopResultBuilder]: For program point L697-1(lines 697 703) no Hoare annotation was computed. [2022-01-10 06:32:05,214 INFO L858 garLoopResultBuilder]: For program point L689(lines 689 693) no Hoare annotation was computed. [2022-01-10 06:32:05,214 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 06:32:05,214 INFO L854 garLoopResultBuilder]: At program point L508(lines 504 510) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:05,214 INFO L858 garLoopResultBuilder]: For program point L723(lines 723 727) no Hoare annotation was computed. [2022-01-10 06:32:05,215 INFO L854 garLoopResultBuilder]: At program point L657(lines 653 659) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:05,215 INFO L854 garLoopResultBuilder]: At program point L723-2(lines 717 728) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:05,215 INFO L858 garLoopResultBuilder]: For program point L707(lines 707 713) no Hoare annotation was computed. [2022-01-10 06:32:05,215 INFO L858 garLoopResultBuilder]: For program point L707-1(lines 707 713) no Hoare annotation was computed. [2022-01-10 06:32:05,215 INFO L861 garLoopResultBuilder]: At program point L736(lines 677 740) the Hoare annotation is: true [2022-01-10 06:32:05,215 INFO L854 garLoopResultBuilder]: At program point L699(line 699) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:05,215 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 567 578) no Hoare annotation was computed. [2022-01-10 06:32:05,215 INFO L858 garLoopResultBuilder]: For program point L571-1(lines 567 578) no Hoare annotation was computed. [2022-01-10 06:32:05,216 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 567 578) the Hoare annotation is: true [2022-01-10 06:32:05,216 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 779 803) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:05,216 INFO L854 garLoopResultBuilder]: At program point L793(line 793) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32)))) [2022-01-10 06:32:05,216 INFO L854 garLoopResultBuilder]: At program point L917(lines 902 920) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32)))) [2022-01-10 06:32:05,216 INFO L854 garLoopResultBuilder]: At program point L789(line 789) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32)))) [2022-01-10 06:32:05,216 INFO L858 garLoopResultBuilder]: For program point L787(lines 787 795) no Hoare annotation was computed. [2022-01-10 06:32:05,216 INFO L858 garLoopResultBuilder]: For program point L783(lines 783 800) no Hoare annotation was computed. [2022-01-10 06:32:05,216 INFO L858 garLoopResultBuilder]: For program point L911(lines 911 915) no Hoare annotation was computed. [2022-01-10 06:32:05,217 INFO L858 garLoopResultBuilder]: For program point L911-2(lines 911 915) no Hoare annotation was computed. [2022-01-10 06:32:05,217 INFO L854 garLoopResultBuilder]: At program point L798(line 798) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:32:05,217 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 779 803) no Hoare annotation was computed. [2022-01-10 06:32:05,217 INFO L854 garLoopResultBuilder]: At program point L637(lines 632 640) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32)))) [2022-01-10 06:32:05,217 INFO L858 garLoopResultBuilder]: For program point L798-1(lines 779 803) no Hoare annotation was computed. [2022-01-10 06:32:05,220 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-01-10 06:32:05,221 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 06:32:05,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:32:05 BoogieIcfgContainer [2022-01-10 06:32:05,233 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 06:32:05,233 INFO L158 Benchmark]: Toolchain (without parser) took 3966.56ms. Allocated memory was 223.3MB in the beginning and 302.0MB in the end (delta: 78.6MB). Free memory was 165.4MB in the beginning and 108.0MB in the end (delta: 57.4MB). Peak memory consumption was 135.1MB. Max. memory is 8.0GB. [2022-01-10 06:32:05,234 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 223.3MB. Free memory is still 182.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 06:32:05,234 INFO L158 Benchmark]: CACSL2BoogieTranslator took 460.33ms. Allocated memory was 223.3MB in the beginning and 302.0MB in the end (delta: 78.6MB). Free memory was 165.2MB in the beginning and 257.4MB in the end (delta: -92.2MB). Peak memory consumption was 8.0MB. Max. memory is 8.0GB. [2022-01-10 06:32:05,234 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.26ms. Allocated memory is still 302.0MB. Free memory was 257.4MB in the beginning and 255.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 06:32:05,235 INFO L158 Benchmark]: Boogie Preprocessor took 27.73ms. Allocated memory is still 302.0MB. Free memory was 255.3MB in the beginning and 253.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 06:32:05,235 INFO L158 Benchmark]: RCFGBuilder took 427.50ms. Allocated memory is still 302.0MB. Free memory was 252.7MB in the beginning and 235.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-01-10 06:32:05,235 INFO L158 Benchmark]: TraceAbstraction took 2988.46ms. Allocated memory is still 302.0MB. Free memory was 235.4MB in the beginning and 108.0MB in the end (delta: 127.4MB). Peak memory consumption was 126.9MB. Max. memory is 8.0GB. [2022-01-10 06:32:05,237 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 223.3MB. Free memory is still 182.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 460.33ms. Allocated memory was 223.3MB in the beginning and 302.0MB in the end (delta: 78.6MB). Free memory was 165.2MB in the beginning and 257.4MB in the end (delta: -92.2MB). Peak memory consumption was 8.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 55.26ms. Allocated memory is still 302.0MB. Free memory was 257.4MB in the beginning and 255.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.73ms. Allocated memory is still 302.0MB. Free memory was 255.3MB in the beginning and 253.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 427.50ms. Allocated memory is still 302.0MB. Free memory was 252.7MB in the beginning and 235.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 2988.46ms. Allocated memory is still 302.0MB. Free memory was 235.4MB in the beginning and 108.0MB in the end (delta: 127.4MB). Peak memory consumption was 126.9MB. 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: 926]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 87 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 188 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 181 mSDsluCounter, 899 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 476 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 102 IncrementalHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 423 mSDtfsCounter, 102 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 156 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred in iteration=4, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 292 PreInvPairs, 314 NumberOfFragments, 330 HoareAnnotationTreeSize, 292 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 40 FomulaSimplificationsInter, 583 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 155 NumberOfCodeBlocks, 155 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 340 SizeOfPredicates, 7 NumberOfNonLiveVariables, 789 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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: 857]: Loop Invariant Derived loop invariant: ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(methaneLevelCritical == 0bv32)) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || (\result == 0bv32 && 0bv32 == pumpRunning)) - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: !(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32) - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || 0bv32 == tmp) || !(methaneLevelCritical == 0bv32)) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || 0bv32 == pumpRunning) - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: !(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32) - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && splverifierCounter == 0bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: !(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32) - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: !(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32) - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: !(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32) - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 653]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: (!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || 0bv32 == pumpRunning - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-01-10 06:32:05,273 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...