/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product62.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 06:36:08,941 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 06:36:08,944 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 06:36:08,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 06:36:08,995 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 06:36:08,996 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 06:36:08,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 06:36:08,998 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 06:36:09,000 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 06:36:09,009 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 06:36:09,010 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 06:36:09,011 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 06:36:09,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 06:36:09,012 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 06:36:09,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 06:36:09,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 06:36:09,022 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 06:36:09,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 06:36:09,024 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 06:36:09,025 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 06:36:09,026 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 06:36:09,044 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 06:36:09,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 06:36:09,045 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 06:36:09,047 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 06:36:09,047 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 06:36:09,047 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 06:36:09,048 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 06:36:09,048 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 06:36:09,049 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 06:36:09,049 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 06:36:09,049 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 06:36:09,050 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 06:36:09,050 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 06:36:09,051 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 06:36:09,051 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 06:36:09,052 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 06:36:09,052 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 06:36:09,052 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 06:36:09,052 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 06:36:09,053 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 06:36:09,053 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 06:36:09,068 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 06:36:09,068 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 06:36:09,068 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 06:36:09,068 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 06:36:09,069 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 06:36:09,069 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 06:36:09,069 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 06:36:09,069 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 06:36:09,069 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 06:36:09,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 06:36:09,069 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 06:36:09,070 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 06:36:09,070 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 06:36:09,070 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 06:36:09,070 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 06:36:09,070 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 06:36:09,070 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 06:36:09,070 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 06:36:09,070 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 06:36:09,070 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 06:36:09,070 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 06:36:09,070 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 06:36:09,071 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 06:36:09,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:36:09,071 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 06:36:09,075 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 06:36:09,075 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 06:36:09,075 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 06:36:09,076 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 06:36:09,076 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 06:36:09,076 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 06:36:09,076 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 06:36:09,076 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 06:36:09,076 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 06:36:09,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 06:36:09,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 06:36:09,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 06:36:09,265 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 06:36:09,266 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 06:36:09,267 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product62.cil.c [2022-01-10 06:36:09,331 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84f6619b8/b3b8ddaacd7346b9a0cf01d8a14b704a/FLAG1f0de431a [2022-01-10 06:36:09,791 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 06:36:09,791 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product62.cil.c [2022-01-10 06:36:09,820 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84f6619b8/b3b8ddaacd7346b9a0cf01d8a14b704a/FLAG1f0de431a [2022-01-10 06:36:09,832 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84f6619b8/b3b8ddaacd7346b9a0cf01d8a14b704a [2022-01-10 06:36:09,834 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 06:36:09,835 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 06:36:09,841 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 06:36:09,842 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 06:36:09,844 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 06:36:09,844 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:36:09" (1/1) ... [2022-01-10 06:36:09,845 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@706e71e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:09, skipping insertion in model container [2022-01-10 06:36:09,845 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:36:09" (1/1) ... [2022-01-10 06:36:09,852 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 06:36:09,877 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:36:10,183 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product62.cil.c[19180,19193] [2022-01-10 06:36:10,186 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:36:10,197 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 06:36:10,208 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:36:10,272 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product62.cil.c[19180,19193] [2022-01-10 06:36:10,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:36:10,280 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 06:36:10,340 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product62.cil.c[19180,19193] [2022-01-10 06:36:10,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:36:10,362 INFO L208 MainTranslator]: Completed translation [2022-01-10 06:36:10,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:10 WrapperNode [2022-01-10 06:36:10,363 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 06:36:10,363 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 06:36:10,363 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 06:36:10,364 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 06:36:10,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:10" (1/1) ... [2022-01-10 06:36:10,393 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:10" (1/1) ... [2022-01-10 06:36:10,427 INFO L137 Inliner]: procedures = 62, calls = 164, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 282 [2022-01-10 06:36:10,427 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 06:36:10,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 06:36:10,429 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 06:36:10,429 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 06:36:10,435 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:10" (1/1) ... [2022-01-10 06:36:10,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:10" (1/1) ... [2022-01-10 06:36:10,448 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:10" (1/1) ... [2022-01-10 06:36:10,449 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:10" (1/1) ... [2022-01-10 06:36:10,458 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:10" (1/1) ... [2022-01-10 06:36:10,473 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:10" (1/1) ... [2022-01-10 06:36:10,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:10" (1/1) ... [2022-01-10 06:36:10,476 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 06:36:10,477 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 06:36:10,477 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 06:36:10,477 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 06:36:10,483 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:10" (1/1) ... [2022-01-10 06:36:10,489 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:36:10,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 06:36:10,527 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 06:36:10,541 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 06:36:10,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 06:36:10,561 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-01-10 06:36:10,561 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-01-10 06:36:10,561 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-01-10 06:36:10,561 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-01-10 06:36:10,561 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-01-10 06:36:10,561 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-01-10 06:36:10,561 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-01-10 06:36:10,561 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-01-10 06:36:10,561 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-01-10 06:36:10,561 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-01-10 06:36:10,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 06:36:10,561 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-01-10 06:36:10,561 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-01-10 06:36:10,562 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-01-10 06:36:10,562 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-01-10 06:36:10,562 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-01-10 06:36:10,562 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-01-10 06:36:10,562 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-01-10 06:36:10,562 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-01-10 06:36:10,562 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-01-10 06:36:10,572 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-01-10 06:36:10,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 06:36:10,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 06:36:10,628 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 06:36:10,629 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 06:36:10,825 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 06:36:10,830 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 06:36:10,830 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-10 06:36:10,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:36:10 BoogieIcfgContainer [2022-01-10 06:36:10,832 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 06:36:10,833 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 06:36:10,833 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 06:36:10,835 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 06:36:10,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:36:09" (1/3) ... [2022-01-10 06:36:10,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28f33c3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:36:10, skipping insertion in model container [2022-01-10 06:36:10,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:36:10" (2/3) ... [2022-01-10 06:36:10,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28f33c3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:36:10, skipping insertion in model container [2022-01-10 06:36:10,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:36:10" (3/3) ... [2022-01-10 06:36:10,837 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product62.cil.c [2022-01-10 06:36:10,840 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 06:36:10,840 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 06:36:10,869 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 06:36:10,873 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 06:36:10,873 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 06:36:10,885 INFO L276 IsEmpty]: Start isEmpty. Operand has 114 states, 84 states have (on average 1.3571428571428572) internal successors, (114), 94 states have internal predecessors, (114), 18 states have call successors, (18), 10 states have call predecessors, (18), 10 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2022-01-10 06:36:10,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-01-10 06:36:10,891 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:36:10,891 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:36:10,892 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:36:10,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:36:10,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1960372766, now seen corresponding path program 1 times [2022-01-10 06:36:10,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:36:10,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [902398919] [2022-01-10 06:36:10,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:36:10,905 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:36:10,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:36:10,907 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 06:36:10,915 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 06:36:10,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:36:10,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 1 conjunts are in the unsatisfiable core [2022-01-10 06:36:10,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:36:11,063 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 06:36:11,064 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:36:11,064 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:36:11,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [902398919] [2022-01-10 06:36:11,065 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [902398919] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:36:11,065 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:36:11,065 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:36:11,066 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169045482] [2022-01-10 06:36:11,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:36:11,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 06:36:11,070 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:36:11,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 06:36:11,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:36:11,095 INFO L87 Difference]: Start difference. First operand has 114 states, 84 states have (on average 1.3571428571428572) internal successors, (114), 94 states have internal predecessors, (114), 18 states have call successors, (18), 10 states have call predecessors, (18), 10 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 06:36:11,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:36:11,125 INFO L93 Difference]: Finished difference Result 219 states and 294 transitions. [2022-01-10 06:36:11,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 06:36:11,130 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-01-10 06:36:11,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:36:11,146 INFO L225 Difference]: With dead ends: 219 [2022-01-10 06:36:11,146 INFO L226 Difference]: Without dead ends: 105 [2022-01-10 06:36:11,150 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:36:11,152 INFO L933 BasicCegarLoop]: 144 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, 144 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 06:36:11,153 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:36:11,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2022-01-10 06:36:11,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2022-01-10 06:36:11,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 77 states have (on average 1.2987012987012987) internal successors, (100), 86 states have internal predecessors, (100), 18 states have call successors, (18), 10 states have call predecessors, (18), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) [2022-01-10 06:36:11,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 135 transitions. [2022-01-10 06:36:11,185 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 135 transitions. Word has length 32 [2022-01-10 06:36:11,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:36:11,185 INFO L470 AbstractCegarLoop]: Abstraction has 105 states and 135 transitions. [2022-01-10 06:36:11,185 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 06:36:11,186 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 135 transitions. [2022-01-10 06:36:11,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-10 06:36:11,188 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:36:11,188 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:36:11,196 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 06:36:11,395 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 06:36:11,396 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:36:11,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:36:11,397 INFO L85 PathProgramCache]: Analyzing trace with hash -526010073, now seen corresponding path program 1 times [2022-01-10 06:36:11,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:36:11,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2112152550] [2022-01-10 06:36:11,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:36:11,398 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:36:11,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:36:11,415 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 06:36:11,417 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 06:36:11,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:36:11,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:36:11,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:36:11,585 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 06:36:11,586 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:36:11,586 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:36:11,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2112152550] [2022-01-10 06:36:11,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2112152550] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:36:11,587 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:36:11,587 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:36:11,593 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310307378] [2022-01-10 06:36:11,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:36:11,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:36:11,598 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:36:11,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:36:11,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:36:11,598 INFO L87 Difference]: Start difference. First operand 105 states and 135 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 06:36:11,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:36:11,618 INFO L93 Difference]: Finished difference Result 174 states and 224 transitions. [2022-01-10 06:36:11,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:36:11,623 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-01-10 06:36:11,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:36:11,628 INFO L225 Difference]: With dead ends: 174 [2022-01-10 06:36:11,628 INFO L226 Difference]: Without dead ends: 96 [2022-01-10 06:36:11,630 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:36:11,631 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 13 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 227 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 06:36:11,631 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 227 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:36:11,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-01-10 06:36:11,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-01-10 06:36:11,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 71 states have (on average 1.3098591549295775) internal successors, (93), 80 states have internal predecessors, (93), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2022-01-10 06:36:11,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 123 transitions. [2022-01-10 06:36:11,643 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 123 transitions. Word has length 33 [2022-01-10 06:36:11,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:36:11,643 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 123 transitions. [2022-01-10 06:36:11,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 06:36:11,644 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 123 transitions. [2022-01-10 06:36:11,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-01-10 06:36:11,649 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:36:11,649 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:36:11,658 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 06:36:11,854 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 06:36:11,854 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:36:11,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:36:11,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1914406272, now seen corresponding path program 1 times [2022-01-10 06:36:11,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:36:11,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1247904668] [2022-01-10 06:36:11,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:36:11,855 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:36:11,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:36:11,858 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 06:36:11,860 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 06:36:11,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:36:11,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:36:11,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:36:11,991 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:36:11,991 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:36:11,991 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:36:11,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1247904668] [2022-01-10 06:36:11,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1247904668] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:36:11,992 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:36:11,992 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:36:11,992 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824820871] [2022-01-10 06:36:11,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:36:11,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:36:11,993 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:36:11,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:36:11,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:36:11,993 INFO L87 Difference]: Start difference. First operand 96 states and 123 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-10 06:36:12,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:36:12,012 INFO L93 Difference]: Finished difference Result 184 states and 239 transitions. [2022-01-10 06:36:12,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:36:12,013 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2022-01-10 06:36:12,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:36:12,014 INFO L225 Difference]: With dead ends: 184 [2022-01-10 06:36:12,014 INFO L226 Difference]: Without dead ends: 96 [2022-01-10 06:36:12,014 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:36:12,015 INFO L933 BasicCegarLoop]: 121 mSDtfsCounter, 110 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:36:12,015 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [110 Valid, 121 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:36:12,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-01-10 06:36:12,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-01-10 06:36:12,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 71 states have (on average 1.295774647887324) internal successors, (92), 80 states have internal predecessors, (92), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2022-01-10 06:36:12,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 122 transitions. [2022-01-10 06:36:12,023 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 122 transitions. Word has length 38 [2022-01-10 06:36:12,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:36:12,024 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 122 transitions. [2022-01-10 06:36:12,024 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-10 06:36:12,024 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 122 transitions. [2022-01-10 06:36:12,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-01-10 06:36:12,026 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:36:12,026 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:36:12,036 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-01-10 06:36:12,232 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 06:36:12,233 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:36:12,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:36:12,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1685949316, now seen corresponding path program 1 times [2022-01-10 06:36:12,234 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:36:12,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [673006945] [2022-01-10 06:36:12,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:36:12,234 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:36:12,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:36:12,235 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 06:36:12,246 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 06:36:12,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:36:12,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:36:12,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:36:12,417 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:36:12,417 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:36:12,417 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:36:12,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [673006945] [2022-01-10 06:36:12,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [673006945] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:36:12,417 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:36:12,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:36:12,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554790431] [2022-01-10 06:36:12,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:36:12,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:36:12,418 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:36:12,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:36:12,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:36:12,419 INFO L87 Difference]: Start difference. First operand 96 states and 122 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:36:12,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:36:12,444 INFO L93 Difference]: Finished difference Result 241 states and 313 transitions. [2022-01-10 06:36:12,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:36:12,444 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2022-01-10 06:36:12,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:36:12,445 INFO L225 Difference]: With dead ends: 241 [2022-01-10 06:36:12,445 INFO L226 Difference]: Without dead ends: 153 [2022-01-10 06:36:12,446 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:36:12,446 INFO L933 BasicCegarLoop]: 129 mSDtfsCounter, 68 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:36:12,447 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [68 Valid, 213 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:36:12,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2022-01-10 06:36:12,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 151. [2022-01-10 06:36:12,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 113 states have (on average 1.2654867256637168) internal successors, (143), 122 states have internal predecessors, (143), 20 states have call successors, (20), 17 states have call predecessors, (20), 17 states have return successors, (26), 18 states have call predecessors, (26), 20 states have call successors, (26) [2022-01-10 06:36:12,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 189 transitions. [2022-01-10 06:36:12,458 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 189 transitions. Word has length 51 [2022-01-10 06:36:12,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:36:12,458 INFO L470 AbstractCegarLoop]: Abstraction has 151 states and 189 transitions. [2022-01-10 06:36:12,458 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-10 06:36:12,458 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 189 transitions. [2022-01-10 06:36:12,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-01-10 06:36:12,459 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:36:12,459 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:36:12,481 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 06:36:12,666 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 06:36:12,666 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:36:12,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:36:12,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1718008340, now seen corresponding path program 1 times [2022-01-10 06:36:12,667 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:36:12,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [225051598] [2022-01-10 06:36:12,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:36:12,667 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:36:12,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:36:12,668 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 06:36:12,672 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 06:36:12,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:36:12,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 12 conjunts are in the unsatisfiable core [2022-01-10 06:36:12,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:36:12,961 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-10 06:36:12,962 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:36:12,962 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:36:12,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [225051598] [2022-01-10 06:36:12,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [225051598] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:36:12,962 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:36:12,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-10 06:36:12,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148351409] [2022-01-10 06:36:12,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:36:12,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-10 06:36:12,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:36:12,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-10 06:36:12,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-01-10 06:36:12,964 INFO L87 Difference]: Start difference. First operand 151 states and 189 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-10 06:36:13,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:36:13,242 INFO L93 Difference]: Finished difference Result 334 states and 419 transitions. [2022-01-10 06:36:13,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-10 06:36:13,243 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2022-01-10 06:36:13,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:36:13,245 INFO L225 Difference]: With dead ends: 334 [2022-01-10 06:36:13,245 INFO L226 Difference]: Without dead ends: 191 [2022-01-10 06:36:13,245 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2022-01-10 06:36:13,246 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 131 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 06:36:13,247 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 495 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 06:36:13,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2022-01-10 06:36:13,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 177. [2022-01-10 06:36:13,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 132 states have (on average 1.2424242424242424) internal successors, (164), 141 states have internal predecessors, (164), 22 states have call successors, (22), 17 states have call predecessors, (22), 22 states have return successors, (33), 24 states have call predecessors, (33), 22 states have call successors, (33) [2022-01-10 06:36:13,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 219 transitions. [2022-01-10 06:36:13,263 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 219 transitions. Word has length 59 [2022-01-10 06:36:13,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:36:13,263 INFO L470 AbstractCegarLoop]: Abstraction has 177 states and 219 transitions. [2022-01-10 06:36:13,264 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-10 06:36:13,264 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 219 transitions. [2022-01-10 06:36:13,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-01-10 06:36:13,265 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:36:13,265 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:36:13,277 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 06:36:13,475 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 06:36:13,475 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:36:13,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:36:13,476 INFO L85 PathProgramCache]: Analyzing trace with hash -12885391, now seen corresponding path program 1 times [2022-01-10 06:36:13,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:36:13,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1491171656] [2022-01-10 06:36:13,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:36:13,477 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:36:13,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:36:13,492 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:36:13,525 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-01-10 06:36:13,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:36:13,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-10 06:36:13,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:36:13,652 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:36:13,652 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:36:13,652 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:36:13,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1491171656] [2022-01-10 06:36:13,653 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1491171656] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:36:13,653 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:36:13,653 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:36:13,653 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408594876] [2022-01-10 06:36:13,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:36:13,653 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:36:13,653 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:36:13,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:36:13,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:36:13,654 INFO L87 Difference]: Start difference. First operand 177 states and 219 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-10 06:36:13,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:36:13,679 INFO L93 Difference]: Finished difference Result 354 states and 454 transitions. [2022-01-10 06:36:13,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 06:36:13,679 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 65 [2022-01-10 06:36:13,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:36:13,681 INFO L225 Difference]: With dead ends: 354 [2022-01-10 06:36:13,681 INFO L226 Difference]: Without dead ends: 185 [2022-01-10 06:36:13,681 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-10 06:36:13,682 INFO L933 BasicCegarLoop]: 121 mSDtfsCounter, 10 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:36:13,682 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 477 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:36:13,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2022-01-10 06:36:13,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 180. [2022-01-10 06:36:13,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 135 states have (on average 1.237037037037037) internal successors, (167), 144 states have internal predecessors, (167), 22 states have call successors, (22), 17 states have call predecessors, (22), 22 states have return successors, (33), 24 states have call predecessors, (33), 22 states have call successors, (33) [2022-01-10 06:36:13,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 222 transitions. [2022-01-10 06:36:13,692 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 222 transitions. Word has length 65 [2022-01-10 06:36:13,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:36:13,692 INFO L470 AbstractCegarLoop]: Abstraction has 180 states and 222 transitions. [2022-01-10 06:36:13,692 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-10 06:36:13,692 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 222 transitions. [2022-01-10 06:36:13,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-01-10 06:36:13,693 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:36:13,694 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:36:13,719 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-01-10 06:36:13,903 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:36:13,903 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:36:13,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:36:13,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1373318003, now seen corresponding path program 1 times [2022-01-10 06:36:13,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:36:13,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1445726371] [2022-01-10 06:36:13,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:36:13,904 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:36:13,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:36:13,906 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:36:13,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-01-10 06:36:13,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:36:13,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:36:13,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:36:14,035 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:36:14,035 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:36:14,035 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:36:14,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1445726371] [2022-01-10 06:36:14,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1445726371] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:36:14,036 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:36:14,036 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 06:36:14,036 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816417774] [2022-01-10 06:36:14,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:36:14,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 06:36:14,036 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:36:14,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 06:36:14,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 06:36:14,037 INFO L87 Difference]: Start difference. First operand 180 states and 222 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-10 06:36:14,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:36:14,055 INFO L93 Difference]: Finished difference Result 360 states and 459 transitions. [2022-01-10 06:36:14,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 06:36:14,056 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 65 [2022-01-10 06:36:14,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:36:14,057 INFO L225 Difference]: With dead ends: 360 [2022-01-10 06:36:14,057 INFO L226 Difference]: Without dead ends: 188 [2022-01-10 06:36:14,057 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:36:14,058 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 11 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:36:14,058 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 364 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:36:14,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2022-01-10 06:36:14,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 182. [2022-01-10 06:36:14,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 137 states have (on average 1.2335766423357664) internal successors, (169), 146 states have internal predecessors, (169), 22 states have call successors, (22), 17 states have call predecessors, (22), 22 states have return successors, (33), 24 states have call predecessors, (33), 22 states have call successors, (33) [2022-01-10 06:36:14,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 224 transitions. [2022-01-10 06:36:14,066 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 224 transitions. Word has length 65 [2022-01-10 06:36:14,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:36:14,066 INFO L470 AbstractCegarLoop]: Abstraction has 182 states and 224 transitions. [2022-01-10 06:36:14,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-10 06:36:14,066 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 224 transitions. [2022-01-10 06:36:14,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-01-10 06:36:14,067 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:36:14,067 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:36:14,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-01-10 06:36:14,273 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:36:14,274 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:36:14,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:36:14,274 INFO L85 PathProgramCache]: Analyzing trace with hash 2074917877, now seen corresponding path program 1 times [2022-01-10 06:36:14,274 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:36:14,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [950031901] [2022-01-10 06:36:14,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:36:14,275 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:36:14,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:36:14,276 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:36:14,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-01-10 06:36:14,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:36:14,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 06:36:14,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:36:14,439 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:36:14,439 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:36:14,439 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:36:14,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [950031901] [2022-01-10 06:36:14,440 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [950031901] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:36:14,440 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:36:14,440 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:36:14,440 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636868357] [2022-01-10 06:36:14,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:36:14,440 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:36:14,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:36:14,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:36:14,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:36:14,441 INFO L87 Difference]: Start difference. First operand 182 states and 224 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-10 06:36:14,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:36:14,458 INFO L93 Difference]: Finished difference Result 412 states and 513 transitions. [2022-01-10 06:36:14,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:36:14,458 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 65 [2022-01-10 06:36:14,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:36:14,459 INFO L225 Difference]: With dead ends: 412 [2022-01-10 06:36:14,460 INFO L226 Difference]: Without dead ends: 238 [2022-01-10 06:36:14,460 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 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 06:36:14,461 INFO L933 BasicCegarLoop]: 129 mSDtfsCounter, 36 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:36:14,461 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 236 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:36:14,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2022-01-10 06:36:14,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2022-01-10 06:36:14,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 179 states have (on average 1.2122905027932962) internal successors, (217), 189 states have internal predecessors, (217), 30 states have call successors, (30), 24 states have call predecessors, (30), 28 states have return successors, (41), 31 states have call predecessors, (41), 30 states have call successors, (41) [2022-01-10 06:36:14,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 288 transitions. [2022-01-10 06:36:14,469 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 288 transitions. Word has length 65 [2022-01-10 06:36:14,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:36:14,469 INFO L470 AbstractCegarLoop]: Abstraction has 238 states and 288 transitions. [2022-01-10 06:36:14,469 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-01-10 06:36:14,470 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 288 transitions. [2022-01-10 06:36:14,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-01-10 06:36:14,470 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:36:14,470 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:36:14,479 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-01-10 06:36:14,679 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:36:14,681 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:36:14,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:36:14,682 INFO L85 PathProgramCache]: Analyzing trace with hash 843636315, now seen corresponding path program 1 times [2022-01-10 06:36:14,682 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:36:14,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [845574391] [2022-01-10 06:36:14,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:36:14,682 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:36:14,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:36:14,683 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:36:14,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-01-10 06:36:14,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:36:14,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 10 conjunts are in the unsatisfiable core [2022-01-10 06:36:14,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:36:14,926 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:36:14,927 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:36:14,927 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:36:14,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [845574391] [2022-01-10 06:36:14,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [845574391] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:36:14,927 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:36:14,927 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-10 06:36:14,927 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217589197] [2022-01-10 06:36:14,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:36:14,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-10 06:36:14,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:36:14,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-10 06:36:14,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-01-10 06:36:14,929 INFO L87 Difference]: Start difference. First operand 238 states and 288 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 6 states have internal predecessors, (56), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) [2022-01-10 06:36:15,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:36:15,408 INFO L93 Difference]: Finished difference Result 770 states and 979 transitions. [2022-01-10 06:36:15,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-10 06:36:15,408 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 6 states have internal predecessors, (56), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) Word has length 69 [2022-01-10 06:36:15,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:36:15,412 INFO L225 Difference]: With dead ends: 770 [2022-01-10 06:36:15,412 INFO L226 Difference]: Without dead ends: 596 [2022-01-10 06:36:15,413 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 61 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2022-01-10 06:36:15,415 INFO L933 BasicCegarLoop]: 175 mSDtfsCounter, 290 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 644 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 06:36:15,415 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [309 Valid, 626 Invalid, 729 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 644 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 06:36:15,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2022-01-10 06:36:15,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 516. [2022-01-10 06:36:15,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 385 states have (on average 1.2077922077922079) internal successors, (465), 410 states have internal predecessors, (465), 68 states have call successors, (68), 51 states have call predecessors, (68), 62 states have return successors, (96), 68 states have call predecessors, (96), 68 states have call successors, (96) [2022-01-10 06:36:15,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 629 transitions. [2022-01-10 06:36:15,458 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 629 transitions. Word has length 69 [2022-01-10 06:36:15,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:36:15,459 INFO L470 AbstractCegarLoop]: Abstraction has 516 states and 629 transitions. [2022-01-10 06:36:15,459 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 6 states have internal predecessors, (56), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) [2022-01-10 06:36:15,459 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 629 transitions. [2022-01-10 06:36:15,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-01-10 06:36:15,463 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:36:15,463 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:36:15,485 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-01-10 06:36:15,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:36:15,671 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:36:15,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:36:15,672 INFO L85 PathProgramCache]: Analyzing trace with hash 2033626689, now seen corresponding path program 1 times [2022-01-10 06:36:15,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:36:15,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [433714662] [2022-01-10 06:36:15,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:36:15,672 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:36:15,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:36:15,686 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:36:15,687 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-01-10 06:36:15,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:36:15,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 13 conjunts are in the unsatisfiable core [2022-01-10 06:36:15,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:36:15,956 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 25 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-01-10 06:36:15,957 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 06:36:16,347 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-01-10 06:36:16,347 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:36:16,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [433714662] [2022-01-10 06:36:16,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [433714662] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 06:36:16,347 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-01-10 06:36:16,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10] total 16 [2022-01-10 06:36:16,348 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286350847] [2022-01-10 06:36:16,348 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-01-10 06:36:16,348 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-10 06:36:16,348 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:36:16,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-10 06:36:16,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2022-01-10 06:36:16,349 INFO L87 Difference]: Start difference. First operand 516 states and 629 transitions. Second operand has 16 states, 16 states have (on average 9.1875) internal successors, (147), 15 states have internal predecessors, (147), 9 states have call successors, (24), 8 states have call predecessors, (24), 9 states have return successors, (22), 9 states have call predecessors, (22), 9 states have call successors, (22) [2022-01-10 06:36:16,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:36:16,967 INFO L93 Difference]: Finished difference Result 1207 states and 1531 transitions. [2022-01-10 06:36:16,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-10 06:36:16,984 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 9.1875) internal successors, (147), 15 states have internal predecessors, (147), 9 states have call successors, (24), 8 states have call predecessors, (24), 9 states have return successors, (22), 9 states have call predecessors, (22), 9 states have call successors, (22) Word has length 123 [2022-01-10 06:36:16,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:36:16,987 INFO L225 Difference]: With dead ends: 1207 [2022-01-10 06:36:16,987 INFO L226 Difference]: Without dead ends: 753 [2022-01-10 06:36:16,988 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 232 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=120, Invalid=386, Unknown=0, NotChecked=0, Total=506 [2022-01-10 06:36:16,989 INFO L933 BasicCegarLoop]: 270 mSDtfsCounter, 769 mSDsluCounter, 780 mSDsCounter, 0 mSdLazyCounter, 966 mSolverCounterSat, 301 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 781 SdHoareTripleChecker+Valid, 1050 SdHoareTripleChecker+Invalid, 1267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 301 IncrementalHoareTripleChecker+Valid, 966 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-10 06:36:16,990 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [781 Valid, 1050 Invalid, 1267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [301 Valid, 966 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-10 06:36:16,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2022-01-10 06:36:17,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 742. [2022-01-10 06:36:17,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 742 states, 550 states have (on average 1.1963636363636363) internal successors, (658), 585 states have internal predecessors, (658), 101 states have call successors, (101), 78 states have call predecessors, (101), 90 states have return successors, (130), 98 states have call predecessors, (130), 101 states have call successors, (130) [2022-01-10 06:36:17,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 889 transitions. [2022-01-10 06:36:17,042 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 889 transitions. Word has length 123 [2022-01-10 06:36:17,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:36:17,043 INFO L470 AbstractCegarLoop]: Abstraction has 742 states and 889 transitions. [2022-01-10 06:36:17,043 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 9.1875) internal successors, (147), 15 states have internal predecessors, (147), 9 states have call successors, (24), 8 states have call predecessors, (24), 9 states have return successors, (22), 9 states have call predecessors, (22), 9 states have call successors, (22) [2022-01-10 06:36:17,043 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 889 transitions. [2022-01-10 06:36:17,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-01-10 06:36:17,044 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:36:17,044 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:36:17,053 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Ended with exit code 0 [2022-01-10 06:36:17,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:36:17,245 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:36:17,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:36:17,246 INFO L85 PathProgramCache]: Analyzing trace with hash 2095666303, now seen corresponding path program 1 times [2022-01-10 06:36:17,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:36:17,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1091446139] [2022-01-10 06:36:17,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:36:17,246 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:36:17,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:36:17,247 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 06:36:17,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-01-10 06:36:17,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:36:17,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-10 06:36:17,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:36:17,499 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-01-10 06:36:17,499 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:36:17,499 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:36:17,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1091446139] [2022-01-10 06:36:17,499 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1091446139] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:36:17,499 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:36:17,499 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 06:36:17,499 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846326546] [2022-01-10 06:36:17,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:36:17,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:36:17,500 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:36:17,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:36:17,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:36:17,501 INFO L87 Difference]: Start difference. First operand 742 states and 889 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-01-10 06:36:17,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:36:17,530 INFO L93 Difference]: Finished difference Result 943 states and 1126 transitions. [2022-01-10 06:36:17,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 06:36:17,531 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 123 [2022-01-10 06:36:17,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:36:17,532 INFO L225 Difference]: With dead ends: 943 [2022-01-10 06:36:17,532 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 06:36:17,533 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-10 06:36:17,533 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 9 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:36:17,534 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 426 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:36:17,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 06:36:17,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 06:36:17,534 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 06:36:17,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 06:36:17,534 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 123 [2022-01-10 06:36:17,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:36:17,535 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 06:36:17,535 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-01-10 06:36:17,535 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 06:36:17,535 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 06:36:17,537 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 06:36:17,546 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-01-10 06:36:17,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 06:36:17,745 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 06:36:19,186 INFO L854 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 203 210) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~waterLevel~0 (_ bv1 32)))) [2022-01-10 06:36:19,186 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 203 210) no Hoare annotation was computed. [2022-01-10 06:36:19,186 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 203 210) no Hoare annotation was computed. [2022-01-10 06:36:19,186 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 93 99) no Hoare annotation was computed. [2022-01-10 06:36:19,186 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 93 99) the Hoare annotation is: true [2022-01-10 06:36:19,187 INFO L854 garLoopResultBuilder]: At program point L141(line 141) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv1 32)))) (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32)))))) [2022-01-10 06:36:19,187 INFO L854 garLoopResultBuilder]: At program point L137(line 137) the Hoare annotation is: (let ((.cse1 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 (and (= |processEnvironment__wrappee__methaneQuery_~tmp~1#1| (_ bv1 32)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= |processEnvironment__wrappee__methaneQuery_isLowWaterSensorDry_#res#1| (_ bv0 32)) (= |processEnvironment__wrappee__methaneQuery_isLowWaterLevel_#res#1| (_ bv1 32)) (= (_ bv0 32) |processEnvironment__wrappee__methaneQuery_isLowWaterLevel_~tmp~5#1|) (= |processEnvironment__wrappee__methaneQuery_isLowWaterLevel_~tmp___0~1#1| (_ bv1 32))) .cse1) (or .cse0 .cse2 .cse1) (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse2))) [2022-01-10 06:36:19,187 INFO L858 garLoopResultBuilder]: For program point L135(lines 135 143) no Hoare annotation was computed. [2022-01-10 06:36:19,187 INFO L858 garLoopResultBuilder]: For program point L131(lines 131 148) no Hoare annotation was computed. [2022-01-10 06:36:19,187 INFO L854 garLoopResultBuilder]: At program point L899(lines 894 902) the Hoare annotation is: (let ((.cse1 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= |processEnvironment__wrappee__methaneQuery_isLowWaterSensorDry_#res#1| (_ bv0 32))) .cse1) (or .cse0 .cse2 .cse1) (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse2))) [2022-01-10 06:36:19,187 INFO L854 garLoopResultBuilder]: At program point L146(line 146) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32))) .cse1) (or .cse0 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1) (not (= ~waterLevel~0 (_ bv1 32)))))) [2022-01-10 06:36:19,187 INFO L858 garLoopResultBuilder]: For program point L146-1(lines 127 151) no Hoare annotation was computed. [2022-01-10 06:36:19,187 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 127 151) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~waterLevel~0 (_ bv1 32)))))) [2022-01-10 06:36:19,187 INFO L854 garLoopResultBuilder]: At program point L301(lines 286 304) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse2 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= |processEnvironment__wrappee__methaneQuery_isLowWaterSensorDry_#res#1| (_ bv0 32)) (= |processEnvironment__wrappee__methaneQuery_isLowWaterLevel_#res#1| (_ bv1 32)) (= (_ bv0 32) |processEnvironment__wrappee__methaneQuery_isLowWaterLevel_~tmp~5#1|) (= |processEnvironment__wrappee__methaneQuery_isLowWaterLevel_~tmp___0~1#1| (_ bv1 32)))) (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1))) [2022-01-10 06:36:19,187 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 127 151) no Hoare annotation was computed. [2022-01-10 06:36:19,187 INFO L858 garLoopResultBuilder]: For program point L295(lines 295 299) no Hoare annotation was computed. [2022-01-10 06:36:19,188 INFO L858 garLoopResultBuilder]: For program point L295-2(lines 295 299) no Hoare annotation was computed. [2022-01-10 06:36:19,188 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 222 230) no Hoare annotation was computed. [2022-01-10 06:36:19,188 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 222 230) the Hoare annotation is: true [2022-01-10 06:36:19,188 INFO L858 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 222 230) no Hoare annotation was computed. [2022-01-10 06:36:19,189 INFO L858 garLoopResultBuilder]: For program point L831-1(lines 827 838) no Hoare annotation was computed. [2022-01-10 06:36:19,189 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 827 838) the Hoare annotation is: true [2022-01-10 06:36:19,189 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 827 838) no Hoare annotation was computed. [2022-01-10 06:36:19,189 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 905 934) no Hoare annotation was computed. [2022-01-10 06:36:19,190 INFO L858 garLoopResultBuilder]: For program point L926(line 926) no Hoare annotation was computed. [2022-01-10 06:36:19,190 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 905 934) the Hoare annotation is: true [2022-01-10 06:36:19,190 INFO L858 garLoopResultBuilder]: For program point L919(lines 919 923) no Hoare annotation was computed. [2022-01-10 06:36:19,190 INFO L861 garLoopResultBuilder]: At program point L919-1(lines 919 923) the Hoare annotation is: true [2022-01-10 06:36:19,190 INFO L858 garLoopResultBuilder]: For program point L916(line 916) no Hoare annotation was computed. [2022-01-10 06:36:19,190 INFO L861 garLoopResultBuilder]: At program point L915-2(lines 915 929) the Hoare annotation is: true [2022-01-10 06:36:19,190 INFO L861 garLoopResultBuilder]: At program point L911(line 911) the Hoare annotation is: true [2022-01-10 06:36:19,190 INFO L858 garLoopResultBuilder]: For program point L911-1(line 911) no Hoare annotation was computed. [2022-01-10 06:36:19,190 INFO L861 garLoopResultBuilder]: At program point L930(lines 905 934) the Hoare annotation is: true [2022-01-10 06:36:19,190 INFO L854 garLoopResultBuilder]: At program point L159(line 159) the Hoare annotation is: (let ((.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~waterLevel~0 (_ bv1 32)))) (or .cse1 .cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse2))) [2022-01-10 06:36:19,190 INFO L858 garLoopResultBuilder]: For program point L159-1(line 159) no Hoare annotation was computed. [2022-01-10 06:36:19,190 INFO L854 garLoopResultBuilder]: At program point L345(line 345) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse2 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 (and (= ~waterLevel~0 (_ bv1 32)) .cse1) .cse2) (or .cse2 .cse3 (not (= (_ bv1 32) |old(~waterLevel~0)|)) (and .cse1 (= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse0 .cse2 .cse3))) [2022-01-10 06:36:19,190 INFO L858 garLoopResultBuilder]: For program point L345-1(line 345) no Hoare annotation was computed. [2022-01-10 06:36:19,190 INFO L854 garLoopResultBuilder]: At program point L172(line 172) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32))) (not (= (_ bv1 32) |old(~waterLevel~0)|)) (and .cse1 .cse2)) (or (not (= (_ bv2 32) |old(~waterLevel~0)|)) .cse0 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2)))) [2022-01-10 06:36:19,191 INFO L854 garLoopResultBuilder]: At program point L172-1(lines 153 177) the Hoare annotation is: (let ((.cse6 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse5 (and .cse6 .cse3)) (.cse0 (not .cse6)) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|)) (and .cse2 .cse3)) (or .cse4 .cse5 (and (= ~waterLevel~0 (_ bv1 32)) .cse2) .cse0) (or .cse4 .cse5 .cse0 .cse1)))) [2022-01-10 06:36:19,191 INFO L858 garLoopResultBuilder]: For program point L73(lines 73 79) no Hoare annotation was computed. [2022-01-10 06:36:19,191 INFO L858 garLoopResultBuilder]: For program point L73-2(lines 69 91) no Hoare annotation was computed. [2022-01-10 06:36:19,191 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 66 92) no Hoare annotation was computed. [2022-01-10 06:36:19,191 INFO L854 garLoopResultBuilder]: At program point L330(line 330) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32))) (not (= (_ bv1 32) |old(~waterLevel~0)|)) (and (= (_ bv0 32) ~pumpRunning~0) .cse1)) (or (not (= (_ bv2 32) |old(~waterLevel~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1) .cse0))) [2022-01-10 06:36:19,191 INFO L858 garLoopResultBuilder]: For program point L330-1(line 330) no Hoare annotation was computed. [2022-01-10 06:36:19,191 INFO L858 garLoopResultBuilder]: For program point L161(lines 161 169) no Hoare annotation was computed. [2022-01-10 06:36:19,191 INFO L858 garLoopResultBuilder]: For program point L157(lines 157 174) no Hoare annotation was computed. [2022-01-10 06:36:19,191 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 357) no Hoare annotation was computed. [2022-01-10 06:36:19,191 INFO L858 garLoopResultBuilder]: For program point L343(lines 343 360) no Hoare annotation was computed. [2022-01-10 06:36:19,191 INFO L854 garLoopResultBuilder]: At program point L343-1(lines 335 363) the Hoare annotation is: (let ((.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse6 (= ~systemActive~0 (_ bv1 32)))) (let ((.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (not .cse6)) (.cse5 (and (= |timeShift_getWaterLevel_#res#1| (_ bv2 32)) .cse6 (= (_ bv2 32) |timeShift___utac_acc__Specification5_spec__3_~tmp~6#1|) .cse3))) (and (or .cse0 .cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|)) (and .cse2 .cse3)) (or .cse4 .cse0 .cse1 .cse5) (or .cse4 (and (= ~waterLevel~0 (_ bv1 32)) .cse2) .cse0 .cse5)))) [2022-01-10 06:36:19,191 INFO L858 garLoopResultBuilder]: For program point L1008(line 1008) no Hoare annotation was computed. [2022-01-10 06:36:19,191 INFO L854 garLoopResultBuilder]: At program point L876(lines 871 879) the Hoare annotation is: (let ((.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse5 (and (= |timeShift_getWaterLevel_#res#1| (_ bv2 32)) .cse3))) (and (or .cse0 .cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|)) (and .cse2 .cse3)) (or .cse4 .cse0 .cse5 .cse1) (or .cse4 (and (= ~waterLevel~0 (_ bv1 32)) .cse2) .cse0 .cse5)))) [2022-01-10 06:36:19,191 INFO L858 garLoopResultBuilder]: For program point L348(lines 348 354) no Hoare annotation was computed. [2022-01-10 06:36:19,191 INFO L854 garLoopResultBuilder]: At program point L1009(lines 1004 1011) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32))) (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or (not (= (_ bv2 32) |old(~waterLevel~0)|)) .cse0))) [2022-01-10 06:36:19,192 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 66 92) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32))) (not (= (_ bv1 32) |old(~waterLevel~0)|)) (and (= (_ bv0 32) ~pumpRunning~0) .cse1)) (or (not (= (_ bv2 32) |old(~waterLevel~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1) .cse0))) [2022-01-10 06:36:19,192 INFO L858 garLoopResultBuilder]: For program point L80-1(lines 80 86) no Hoare annotation was computed. [2022-01-10 06:36:19,192 INFO L854 garLoopResultBuilder]: At program point L332(lines 325 334) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32))) (not (= (_ bv1 32) |old(~waterLevel~0)|)) (and (= (_ bv0 32) ~pumpRunning~0) .cse1)) (or (not (= (_ bv2 32) |old(~waterLevel~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1) .cse0))) [2022-01-10 06:36:19,192 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 66 92) no Hoare annotation was computed. [2022-01-10 06:36:19,192 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1008) no Hoare annotation was computed. [2022-01-10 06:36:19,192 INFO L858 garLoopResultBuilder]: For program point L807(lines 807 811) no Hoare annotation was computed. [2022-01-10 06:36:19,192 INFO L854 garLoopResultBuilder]: At program point L167(line 167) the Hoare annotation is: (let ((.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~waterLevel~0 (_ bv1 32)))) (or .cse1 .cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse2))) [2022-01-10 06:36:19,192 INFO L854 garLoopResultBuilder]: At program point L807-2(lines 803 814) the Hoare annotation is: (let ((.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~waterLevel~0 (_ bv1 32)))) (or .cse1 .cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse2))) [2022-01-10 06:36:19,193 INFO L854 garLoopResultBuilder]: At program point L163(line 163) the Hoare annotation is: (let ((.cse0 (not (= (_ bv2 32) |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~waterLevel~0 (_ bv1 32)))) (or .cse1 .cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse2))) [2022-01-10 06:36:19,194 INFO L854 garLoopResultBuilder]: At program point L1043(lines 1038 1046) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:36:19,194 INFO L854 garLoopResultBuilder]: At program point L1035(lines 1031 1037) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:36:19,194 INFO L858 garLoopResultBuilder]: For program point L416(lines 416 420) no Hoare annotation was computed. [2022-01-10 06:36:19,194 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 06:36:19,194 INFO L858 garLoopResultBuilder]: For program point L990(lines 990 997) no Hoare annotation was computed. [2022-01-10 06:36:19,194 INFO L854 garLoopResultBuilder]: At program point L416-2(lines 408 421) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and (= ~waterLevel~0 (_ bv2 32)) .cse0 .cse1) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 (= (_ bv0 32) ~pumpRunning~0)))) [2022-01-10 06:36:19,194 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 06:36:19,194 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 06:36:19,194 INFO L858 garLoopResultBuilder]: For program point L990-2(lines 990 997) no Hoare annotation was computed. [2022-01-10 06:36:19,195 INFO L858 garLoopResultBuilder]: For program point L379(lines 378 425) no Hoare annotation was computed. [2022-01-10 06:36:19,195 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 421) no Hoare annotation was computed. [2022-01-10 06:36:19,195 INFO L854 garLoopResultBuilder]: At program point L400(line 400) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and (= ~waterLevel~0 (_ bv2 32)) .cse0 .cse1) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 (= (_ bv0 32) ~pumpRunning~0)))) [2022-01-10 06:36:19,195 INFO L861 garLoopResultBuilder]: At program point L974(lines 966 976) the Hoare annotation is: true [2022-01-10 06:36:19,195 INFO L861 garLoopResultBuilder]: At program point L429(lines 368 433) the Hoare annotation is: true [2022-01-10 06:36:19,195 INFO L861 garLoopResultBuilder]: At program point L999(lines 980 1002) the Hoare annotation is: true [2022-01-10 06:36:19,195 INFO L854 garLoopResultBuilder]: At program point L1028(lines 1024 1030) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:36:19,195 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 394) no Hoare annotation was computed. [2022-01-10 06:36:19,195 INFO L858 garLoopResultBuilder]: For program point L388-1(lines 388 394) no Hoare annotation was computed. [2022-01-10 06:36:19,195 INFO L854 garLoopResultBuilder]: At program point L322(lines 317 324) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:36:19,195 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 06:36:19,195 INFO L858 garLoopResultBuilder]: For program point L380(lines 380 384) no Hoare annotation was computed. [2022-01-10 06:36:19,196 INFO L854 garLoopResultBuilder]: At program point L310(lines 305 312) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and (= ~waterLevel~0 (_ bv2 32)) .cse0 .cse1) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 (= (_ bv0 32) ~pumpRunning~0)))) [2022-01-10 06:36:19,196 INFO L854 garLoopResultBuilder]: At program point L426(lines 377 427) the Hoare annotation is: false [2022-01-10 06:36:19,196 INFO L854 garLoopResultBuilder]: At program point L963(lines 959 965) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2022-01-10 06:36:19,196 INFO L858 garLoopResultBuilder]: For program point L398(lines 398 404) no Hoare annotation was computed. [2022-01-10 06:36:19,196 INFO L858 garLoopResultBuilder]: For program point L398-1(lines 398 404) no Hoare annotation was computed. [2022-01-10 06:36:19,196 INFO L854 garLoopResultBuilder]: At program point L423(lines 378 425) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and (= ~waterLevel~0 (_ bv2 32)) .cse0 .cse1) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 (= (_ bv0 32) ~pumpRunning~0)))) [2022-01-10 06:36:19,196 INFO L854 garLoopResultBuilder]: At program point L390(line 390) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and (= ~waterLevel~0 (_ bv2 32)) .cse0 .cse1) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 (= (_ bv0 32) ~pumpRunning~0)))) [2022-01-10 06:36:19,196 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 101 125) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 .cse2) (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32))) .cse2))) [2022-01-10 06:36:19,196 INFO L854 garLoopResultBuilder]: At program point L120(line 120) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (not (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv1 32)))) (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32)))))) [2022-01-10 06:36:19,196 INFO L858 garLoopResultBuilder]: For program point L120-1(lines 101 125) no Hoare annotation was computed. [2022-01-10 06:36:19,196 INFO L858 garLoopResultBuilder]: For program point L884(lines 884 890) no Hoare annotation was computed. [2022-01-10 06:36:19,196 INFO L858 garLoopResultBuilder]: For program point L193(lines 193 199) no Hoare annotation was computed. [2022-01-10 06:36:19,196 INFO L854 garLoopResultBuilder]: At program point L191(line 191) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32)))) (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 (= (_ bv0 32) ~pumpRunning~0)))) [2022-01-10 06:36:19,196 INFO L854 garLoopResultBuilder]: At program point L193-2(lines 186 202) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32))) (not (= ~waterLevel~0 (_ bv1 32)))) [2022-01-10 06:36:19,197 INFO L858 garLoopResultBuilder]: For program point L191-1(line 191) no Hoare annotation was computed. [2022-01-10 06:36:19,197 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 101 125) no Hoare annotation was computed. [2022-01-10 06:36:19,197 INFO L854 garLoopResultBuilder]: At program point L282(lines 267 285) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 .cse2) (or .cse0 (and (= (_ bv0 32) |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| (_ bv0 32)) .cse2) .cse1 (not (= ~waterLevel~0 (_ bv1 32)))))) [2022-01-10 06:36:19,197 INFO L854 garLoopResultBuilder]: At program point L889(lines 880 893) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 (_ bv1 32))) (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| (_ bv1 32)) .cse2)) (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 .cse2))) [2022-01-10 06:36:19,197 INFO L854 garLoopResultBuilder]: At program point L183(lines 178 185) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32))) (not (= ~waterLevel~0 (_ bv1 32)))) [2022-01-10 06:36:19,197 INFO L858 garLoopResultBuilder]: For program point L276(lines 276 280) no Hoare annotation was computed. [2022-01-10 06:36:19,197 INFO L854 garLoopResultBuilder]: At program point L115(line 115) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv1 32)))) (let ((.cse0 (not .cse3)) (.cse1 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse3 (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 (_ bv1 32))))))) [2022-01-10 06:36:19,197 INFO L858 garLoopResultBuilder]: For program point L276-2(lines 276 280) no Hoare annotation was computed. [2022-01-10 06:36:19,197 INFO L858 garLoopResultBuilder]: For program point L109(lines 109 117) no Hoare annotation was computed. [2022-01-10 06:36:19,197 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 122) no Hoare annotation was computed. [2022-01-10 06:36:19,197 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 815 826) no Hoare annotation was computed. [2022-01-10 06:36:19,197 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 815 826) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (not (= (_ bv0 32) ~pumpRunning~0)) .cse0 (not (= (_ bv1 32) |old(~waterLevel~0)|)) .cse1) (or (not (= (_ bv2 32) |old(~waterLevel~0)|)) .cse0 .cse1))) [2022-01-10 06:36:19,197 INFO L858 garLoopResultBuilder]: For program point L819-1(lines 815 826) no Hoare annotation was computed. [2022-01-10 06:36:19,197 INFO L861 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 211 221) the Hoare annotation is: true [2022-01-10 06:36:19,197 INFO L861 garLoopResultBuilder]: At program point L844(lines 839 847) the Hoare annotation is: true [2022-01-10 06:36:19,198 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 211 221) no Hoare annotation was computed. [2022-01-10 06:36:19,198 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 211 221) no Hoare annotation was computed. [2022-01-10 06:36:19,200 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:36:19,201 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 06:36:19,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:36:19 BoogieIcfgContainer [2022-01-10 06:36:19,230 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 06:36:19,230 INFO L158 Benchmark]: Toolchain (without parser) took 9395.52ms. Allocated memory was 174.1MB in the beginning and 272.6MB in the end (delta: 98.6MB). Free memory was 117.5MB in the beginning and 109.7MB in the end (delta: 7.8MB). Peak memory consumption was 107.8MB. Max. memory is 8.0GB. [2022-01-10 06:36:19,230 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 174.1MB. Free memory was 134.8MB in the beginning and 134.7MB in the end (delta: 73.7kB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 06:36:19,230 INFO L158 Benchmark]: CACSL2BoogieTranslator took 521.36ms. Allocated memory is still 174.1MB. Free memory was 117.3MB in the beginning and 132.6MB in the end (delta: -15.3MB). Peak memory consumption was 15.6MB. Max. memory is 8.0GB. [2022-01-10 06:36:19,231 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.20ms. Allocated memory is still 174.1MB. Free memory was 132.6MB in the beginning and 129.8MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-10 06:36:19,231 INFO L158 Benchmark]: Boogie Preprocessor took 48.03ms. Allocated memory is still 174.1MB. Free memory was 129.8MB in the beginning and 128.1MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 06:36:19,231 INFO L158 Benchmark]: RCFGBuilder took 354.96ms. Allocated memory is still 174.1MB. Free memory was 128.1MB in the beginning and 109.9MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-01-10 06:36:19,231 INFO L158 Benchmark]: TraceAbstraction took 8396.93ms. Allocated memory was 174.1MB in the beginning and 272.6MB in the end (delta: 98.6MB). Free memory was 109.5MB in the beginning and 109.7MB in the end (delta: -140.6kB). Peak memory consumption was 98.6MB. Max. memory is 8.0GB. [2022-01-10 06:36:19,232 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 174.1MB. Free memory was 134.8MB in the beginning and 134.7MB in the end (delta: 73.7kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 521.36ms. Allocated memory is still 174.1MB. Free memory was 117.3MB in the beginning and 132.6MB in the end (delta: -15.3MB). Peak memory consumption was 15.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 64.20ms. Allocated memory is still 174.1MB. Free memory was 132.6MB in the beginning and 129.8MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 48.03ms. Allocated memory is still 174.1MB. Free memory was 129.8MB in the beginning and 128.1MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 354.96ms. Allocated memory is still 174.1MB. Free memory was 128.1MB in the beginning and 109.9MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * TraceAbstraction took 8396.93ms. Allocated memory was 174.1MB in the beginning and 272.6MB in the end (delta: 98.6MB). Free memory was 109.5MB in the beginning and 109.7MB in the end (delta: -140.6kB). Peak memory consumption was 98.6MB. 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: 1008]: 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 11 procedures, 114 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.3s, OverallIterations: 11, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1489 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1447 mSDsluCounter, 4379 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2817 mSDsCounter, 449 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1892 IncrementalHoareTripleChecker+Invalid, 2341 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 449 mSolverCounterUnsat, 1562 mSDtfsCounter, 1892 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 867 GetRequests, 800 SyntacticMatches, 3 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=742occurred in iteration=10, InterpolantAutomatonStates: 68, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 118 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 1309 PreInvPairs, 1377 NumberOfFragments, 1308 HoareAnnotationTreeSize, 1309 FomulaSimplifications, 24 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 53 FomulaSimplificationsInter, 1627 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 723 NumberOfCodeBlocks, 723 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 834 ConstructedInterpolants, 0 QuantifiedInterpolants, 1909 SizeOfPredicates, 21 NumberOfNonLiveVariables, 2307 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 136/153 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: 1031]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: ((waterLevel == 2bv32 && systemActive == 1bv32) && splverifierCounter == 0bv32) || (((systemActive == 1bv32 && waterLevel == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 915]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 803]: Loop Invariant Derived loop invariant: (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || (\old(pumpRunning) == pumpRunning && waterLevel == 1bv32)) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel)))) && ((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: (((!(systemActive == 1bv32) || (\old(pumpRunning) == pumpRunning && \result == 0bv32)) || !(waterLevel == 1bv32)) && ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(waterLevel == 1bv32))) && ((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 966]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: (!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(waterLevel == 1bv32) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(waterLevel == 1bv32)) || (\result == 1bv32 && 0bv32 == pumpRunning)) && (((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || 0bv32 == pumpRunning) - InvariantResult [Line: 980]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || (\result == 2bv32 && waterLevel == \old(waterLevel))) || !(\old(pumpRunning) == 0bv32))) && (((!(2bv32 == \old(waterLevel)) || (waterLevel == 1bv32 && 0bv32 == pumpRunning)) || !(systemActive == 1bv32)) || (\result == 2bv32 && waterLevel == \old(waterLevel))) - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: ((waterLevel == 2bv32 && systemActive == 1bv32) && splverifierCounter == 0bv32) || (((systemActive == 1bv32 && waterLevel == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1004]: Loop Invariant Derived loop invariant: ((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) && (!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel))) && ((!(2bv32 == \old(waterLevel)) || (\old(pumpRunning) == pumpRunning && waterLevel == \old(waterLevel))) || !(systemActive == 1bv32)) - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: (((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) || 0bv32 == pumpRunning) && (((!(systemActive == 1bv32) || ((0bv32 == tmp___0 && \result == 0bv32) && 0bv32 == pumpRunning)) || !(\old(pumpRunning) == 0bv32)) || !(waterLevel == 1bv32)) - InvariantResult [Line: 1024]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel))) && (((!(2bv32 == \old(waterLevel)) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) || (((\result == 2bv32 && systemActive == 1bv32) && 2bv32 == tmp) && waterLevel == \old(waterLevel)))) && (((!(2bv32 == \old(waterLevel)) || (waterLevel == 1bv32 && 0bv32 == pumpRunning)) || !(systemActive == 1bv32)) || (((\result == 2bv32 && systemActive == 1bv32) && 2bv32 == tmp) && waterLevel == \old(waterLevel))) - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: ((((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(1bv32 == \old(waterLevel))) || (0bv32 == pumpRunning && waterLevel == \old(waterLevel))) && (((!(2bv32 == \old(waterLevel)) || (systemActive == 1bv32 && waterLevel == \old(waterLevel))) || (waterLevel == 1bv32 && 0bv32 == pumpRunning)) || !(systemActive == 1bv32))) && (((!(2bv32 == \old(waterLevel)) || (systemActive == 1bv32 && waterLevel == \old(waterLevel))) || !(systemActive == 1bv32)) || !(\old(pumpRunning) == 0bv32)) - InvariantResult [Line: 959]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: (((!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(waterLevel == 1bv32)) && ((!(systemActive == 1bv32) || !(waterLevel == 1bv32)) || ((((\old(pumpRunning) == pumpRunning && \result == 0bv32) && \result == 1bv32) && 0bv32 == tmp) && tmp___0 == 1bv32))) && ((!(systemActive == 1bv32) || !(waterLevel == 2bv32)) || !(\old(pumpRunning) == 0bv32)) - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: (!(systemActive == 1bv32) || !(\old(pumpRunning) == 0bv32)) || !(waterLevel == 1bv32) RESULT: Ultimate proved your program to be correct! [2022-01-10 06:36:19,290 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...