/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_spec3_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 06:34:04,977 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 06:34:04,978 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 06:34:05,022 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 06:34:05,022 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 06:34:05,023 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 06:34:05,024 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 06:34:05,025 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 06:34:05,026 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 06:34:05,026 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 06:34:05,027 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 06:34:05,028 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 06:34:05,028 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 06:34:05,029 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 06:34:05,030 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 06:34:05,030 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 06:34:05,031 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 06:34:05,031 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 06:34:05,032 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 06:34:05,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 06:34:05,035 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 06:34:05,036 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 06:34:05,036 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 06:34:05,037 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 06:34:05,039 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 06:34:05,039 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 06:34:05,039 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 06:34:05,040 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 06:34:05,040 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 06:34:05,041 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 06:34:05,041 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 06:34:05,041 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 06:34:05,042 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 06:34:05,042 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 06:34:05,043 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 06:34:05,043 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 06:34:05,044 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 06:34:05,044 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 06:34:05,044 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 06:34:05,045 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 06:34:05,045 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 06:34:05,060 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 06:34:05,087 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 06:34:05,088 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 06:34:05,088 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 06:34:05,088 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 06:34:05,088 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 06:34:05,088 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 06:34:05,089 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 06:34:05,089 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 06:34:05,089 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 06:34:05,089 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 06:34:05,090 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 06:34:05,090 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 06:34:05,090 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 06:34:05,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 06:34:05,090 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 06:34:05,090 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 06:34:05,090 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 06:34:05,090 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 06:34:05,090 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 06:34:05,091 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 06:34:05,091 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 06:34:05,091 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 06:34:05,091 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 06:34:05,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:34:05,092 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 06:34:05,092 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 06:34:05,092 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 06:34:05,092 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 06:34:05,093 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 06:34:05,093 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 06:34:05,093 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 06:34:05,093 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 06:34:05,093 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 06:34:05,093 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 06:34:05,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 06:34:05,311 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 06:34:05,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 06:34:05,314 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 06:34:05,315 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 06:34:05,316 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product56.cil.c [2022-01-10 06:34:05,362 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fedc97582/4fc43057792c49f28f1ecb29dcc0ac63/FLAGd7bf11b80 [2022-01-10 06:34:05,745 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 06:34:05,745 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product56.cil.c [2022-01-10 06:34:05,754 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fedc97582/4fc43057792c49f28f1ecb29dcc0ac63/FLAGd7bf11b80 [2022-01-10 06:34:05,770 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fedc97582/4fc43057792c49f28f1ecb29dcc0ac63 [2022-01-10 06:34:05,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 06:34:05,773 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 06:34:05,775 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 06:34:05,775 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 06:34:05,777 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 06:34:05,777 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:34:05" (1/1) ... [2022-01-10 06:34:05,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57093fa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:05, skipping insertion in model container [2022-01-10 06:34:05,778 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:34:05" (1/1) ... [2022-01-10 06:34:05,783 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 06:34:05,823 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:34:06,035 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_spec3_product56.cil.c[19275,19288] [2022-01-10 06:34:06,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:34:06,054 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 06:34:06,060 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:34:06,099 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_spec3_product56.cil.c[19275,19288] [2022-01-10 06:34:06,100 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:34:06,103 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 06:34:06,147 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_spec3_product56.cil.c[19275,19288] [2022-01-10 06:34:06,148 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:34:06,163 INFO L208 MainTranslator]: Completed translation [2022-01-10 06:34:06,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:06 WrapperNode [2022-01-10 06:34:06,164 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 06:34:06,164 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 06:34:06,165 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 06:34:06,165 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 06:34:06,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:06" (1/1) ... [2022-01-10 06:34:06,192 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:06" (1/1) ... [2022-01-10 06:34:06,213 INFO L137 Inliner]: procedures = 60, calls = 162, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 275 [2022-01-10 06:34:06,214 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 06:34:06,214 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 06:34:06,215 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 06:34:06,215 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 06:34:06,221 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:06" (1/1) ... [2022-01-10 06:34:06,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:06" (1/1) ... [2022-01-10 06:34:06,224 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:06" (1/1) ... [2022-01-10 06:34:06,224 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:06" (1/1) ... [2022-01-10 06:34:06,234 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:06" (1/1) ... [2022-01-10 06:34:06,237 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:06" (1/1) ... [2022-01-10 06:34:06,239 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:06" (1/1) ... [2022-01-10 06:34:06,241 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 06:34:06,242 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 06:34:06,242 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 06:34:06,242 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 06:34:06,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:06" (1/1) ... [2022-01-10 06:34:06,250 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:34:06,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 06:34:06,273 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 06:34:06,276 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 06:34:06,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 06:34:06,301 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-01-10 06:34:06,302 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-01-10 06:34:06,302 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-01-10 06:34:06,302 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-01-10 06:34:06,302 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-01-10 06:34:06,302 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-01-10 06:34:06,302 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-01-10 06:34:06,302 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-01-10 06:34:06,302 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-01-10 06:34:06,302 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-01-10 06:34:06,302 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-01-10 06:34:06,302 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-01-10 06:34:06,302 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2022-01-10 06:34:06,302 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2022-01-10 06:34:06,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 06:34:06,303 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-01-10 06:34:06,303 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-01-10 06:34:06,303 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-01-10 06:34:06,303 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-01-10 06:34:06,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 06:34:06,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 06:34:06,371 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 06:34:06,372 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 06:34:06,620 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 06:34:06,628 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 06:34:06,628 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-10 06:34:06,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:34:06 BoogieIcfgContainer [2022-01-10 06:34:06,629 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 06:34:06,630 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 06:34:06,630 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 06:34:06,637 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 06:34:06,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:34:05" (1/3) ... [2022-01-10 06:34:06,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@119cb9c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:34:06, skipping insertion in model container [2022-01-10 06:34:06,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:06" (2/3) ... [2022-01-10 06:34:06,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@119cb9c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:34:06, skipping insertion in model container [2022-01-10 06:34:06,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:34:06" (3/3) ... [2022-01-10 06:34:06,639 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product56.cil.c [2022-01-10 06:34:06,642 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 06:34:06,642 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 06:34:06,671 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 06:34:06,675 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 06:34:06,675 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 06:34:06,687 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 79 states have (on average 1.379746835443038) internal successors, (109), 90 states have internal predecessors, (109), 17 states have call successors, (17), 9 states have call predecessors, (17), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) [2022-01-10 06:34:06,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-01-10 06:34:06,696 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:06,696 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:06,697 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:06,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:06,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1156064115, now seen corresponding path program 1 times [2022-01-10 06:34:06,709 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:06,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1411068161] [2022-01-10 06:34:06,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:06,710 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:06,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:06,712 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 06:34:06,713 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 06:34:06,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:06,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 1 conjunts are in the unsatisfiable core [2022-01-10 06:34:06,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:06,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:34:06,893 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:06,894 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:06,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1411068161] [2022-01-10 06:34:06,894 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1411068161] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:06,894 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:06,894 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 06:34:06,896 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076847505] [2022-01-10 06:34:06,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:06,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 06:34:06,899 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:06,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 06:34:06,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:34:06,928 INFO L87 Difference]: Start difference. First operand has 107 states, 79 states have (on average 1.379746835443038) internal successors, (109), 90 states have internal predecessors, (109), 17 states have call successors, (17), 9 states have call predecessors, (17), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:34:06,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:06,953 INFO L93 Difference]: Finished difference Result 206 states and 281 transitions. [2022-01-10 06:34:06,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 06:34:06,955 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-01-10 06:34:06,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:06,962 INFO L225 Difference]: With dead ends: 206 [2022-01-10 06:34:06,963 INFO L226 Difference]: Without dead ends: 98 [2022-01-10 06:34:06,965 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 06:34:06,967 INFO L933 BasicCegarLoop]: 137 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, 137 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 06:34:06,969 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:34:06,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2022-01-10 06:34:07,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2022-01-10 06:34:07,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 72 states have (on average 1.3194444444444444) internal successors, (95), 82 states have internal predecessors, (95), 17 states have call successors, (17), 9 states have call predecessors, (17), 8 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2022-01-10 06:34:07,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 128 transitions. [2022-01-10 06:34:07,006 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 128 transitions. Word has length 25 [2022-01-10 06:34:07,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:07,006 INFO L470 AbstractCegarLoop]: Abstraction has 98 states and 128 transitions. [2022-01-10 06:34:07,006 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:34:07,007 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 128 transitions. [2022-01-10 06:34:07,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-01-10 06:34:07,008 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:07,009 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:07,018 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 06:34:07,209 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 06:34:07,210 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:07,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:07,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1074288904, now seen corresponding path program 1 times [2022-01-10 06:34:07,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:07,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1124946729] [2022-01-10 06:34:07,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:07,211 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:07,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:07,212 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 06:34:07,214 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 06:34:07,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:07,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:34:07,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:07,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:34:07,351 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:07,352 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:07,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1124946729] [2022-01-10 06:34:07,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1124946729] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:07,352 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:07,352 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:34:07,356 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478456598] [2022-01-10 06:34:07,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:07,358 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:34:07,358 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:07,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:34:07,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:34:07,359 INFO L87 Difference]: Start difference. First operand 98 states and 128 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:34:07,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:07,375 INFO L93 Difference]: Finished difference Result 157 states and 205 transitions. [2022-01-10 06:34:07,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:34:07,377 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-01-10 06:34:07,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:07,379 INFO L225 Difference]: With dead ends: 157 [2022-01-10 06:34:07,379 INFO L226 Difference]: Without dead ends: 89 [2022-01-10 06:34:07,379 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:34:07,380 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 17 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 208 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 06:34:07,380 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 208 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:34:07,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2022-01-10 06:34:07,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2022-01-10 06:34:07,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 66 states have (on average 1.3333333333333333) internal successors, (88), 76 states have internal predecessors, (88), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 9 states have call predecessors, (14), 14 states have call successors, (14) [2022-01-10 06:34:07,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 116 transitions. [2022-01-10 06:34:07,388 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 116 transitions. Word has length 26 [2022-01-10 06:34:07,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:07,388 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 116 transitions. [2022-01-10 06:34:07,388 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:34:07,388 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 116 transitions. [2022-01-10 06:34:07,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-01-10 06:34:07,389 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:07,389 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:07,400 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 06:34:07,596 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 06:34:07,596 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:07,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:07,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1681126182, now seen corresponding path program 1 times [2022-01-10 06:34:07,597 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:07,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [708997454] [2022-01-10 06:34:07,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:07,597 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:07,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:07,598 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 06:34:07,600 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 06:34:07,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:07,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 06:34:07,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:07,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:34:07,697 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:07,697 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:07,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [708997454] [2022-01-10 06:34:07,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [708997454] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:07,697 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:07,697 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 06:34:07,697 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67176746] [2022-01-10 06:34:07,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:07,698 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 06:34:07,698 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:07,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 06:34:07,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:34:07,699 INFO L87 Difference]: Start difference. First operand 89 states and 116 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:34:07,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:07,725 INFO L93 Difference]: Finished difference Result 251 states and 333 transitions. [2022-01-10 06:34:07,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 06:34:07,727 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-01-10 06:34:07,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:07,733 INFO L225 Difference]: With dead ends: 251 [2022-01-10 06:34:07,733 INFO L226 Difference]: Without dead ends: 169 [2022-01-10 06:34:07,735 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 06:34:07,738 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 108 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:07,739 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 247 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:34:07,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2022-01-10 06:34:07,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 166. [2022-01-10 06:34:07,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 121 states have (on average 1.3553719008264462) internal successors, (164), 140 states have internal predecessors, (164), 28 states have call successors, (28), 16 states have call predecessors, (28), 16 states have return successors, (28), 17 states have call predecessors, (28), 28 states have call successors, (28) [2022-01-10 06:34:07,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 220 transitions. [2022-01-10 06:34:07,754 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 220 transitions. Word has length 31 [2022-01-10 06:34:07,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:07,754 INFO L470 AbstractCegarLoop]: Abstraction has 166 states and 220 transitions. [2022-01-10 06:34:07,755 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:34:07,755 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 220 transitions. [2022-01-10 06:34:07,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-01-10 06:34:07,756 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:07,756 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:07,777 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-01-10 06:34:07,969 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 06:34:07,969 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:07,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:07,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1209618062, now seen corresponding path program 1 times [2022-01-10 06:34:07,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:07,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1599639875] [2022-01-10 06:34:07,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:07,971 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:07,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:07,972 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 06:34:07,974 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 06:34:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 06:34:08,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 7 conjunts are in the unsatisfiable core [2022-01-10 06:34:08,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 06:34:08,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 06:34:08,112 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 06:34:08,112 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 06:34:08,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1599639875] [2022-01-10 06:34:08,113 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1599639875] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 06:34:08,113 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 06:34:08,113 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 06:34:08,113 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240537845] [2022-01-10 06:34:08,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 06:34:08,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 06:34:08,114 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 06:34:08,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 06:34:08,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 06:34:08,117 INFO L87 Difference]: Start difference. First operand 166 states and 220 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:34:08,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 06:34:08,190 INFO L93 Difference]: Finished difference Result 478 states and 655 transitions. [2022-01-10 06:34:08,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 06:34:08,191 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2022-01-10 06:34:08,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 06:34:08,193 INFO L225 Difference]: With dead ends: 478 [2022-01-10 06:34:08,193 INFO L226 Difference]: Without dead ends: 319 [2022-01-10 06:34:08,194 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 30 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 06:34:08,194 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 82 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 06:34:08,195 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [82 Valid, 476 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 06:34:08,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2022-01-10 06:34:08,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 313. [2022-01-10 06:34:08,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 226 states have (on average 1.336283185840708) internal successors, (302), 261 states have internal predecessors, (302), 56 states have call successors, (56), 32 states have call predecessors, (56), 30 states have return successors, (58), 32 states have call predecessors, (58), 56 states have call successors, (58) [2022-01-10 06:34:08,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 416 transitions. [2022-01-10 06:34:08,218 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 416 transitions. Word has length 34 [2022-01-10 06:34:08,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 06:34:08,218 INFO L470 AbstractCegarLoop]: Abstraction has 313 states and 416 transitions. [2022-01-10 06:34:08,219 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 06:34:08,219 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 416 transitions. [2022-01-10 06:34:08,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-01-10 06:34:08,221 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:34:08,222 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 06:34:08,244 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-01-10 06:34:08,428 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 06:34:08,428 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:34:08,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:34:08,429 INFO L85 PathProgramCache]: Analyzing trace with hash 886066804, now seen corresponding path program 1 times [2022-01-10 06:34:08,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:34:08,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1641223506] [2022-01-10 06:34:08,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:34:08,429 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:34:08,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:34:08,430 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 06:34:08,432 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 06:34:08,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 06:34:08,478 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-10 06:34:08,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 06:34:08,558 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-01-10 06:34:08,558 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-10 06:34:08,559 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 06:34:08,569 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 06:34:08,760 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 06:34:08,763 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-01-10 06:34:08,765 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 06:34:08,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:34:08 BoogieIcfgContainer [2022-01-10 06:34:08,798 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 06:34:08,799 INFO L158 Benchmark]: Toolchain (without parser) took 3026.35ms. Allocated memory was 196.1MB in the beginning and 262.1MB in the end (delta: 66.1MB). Free memory was 145.0MB in the beginning and 216.2MB in the end (delta: -71.2MB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 06:34:08,799 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 196.1MB. Free memory was 162.2MB in the beginning and 162.1MB in the end (delta: 143.3kB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 06:34:08,799 INFO L158 Benchmark]: CACSL2BoogieTranslator took 389.27ms. Allocated memory is still 196.1MB. Free memory was 144.8MB in the beginning and 157.5MB in the end (delta: -12.7MB). Peak memory consumption was 11.9MB. Max. memory is 8.0GB. [2022-01-10 06:34:08,799 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.54ms. Allocated memory is still 196.1MB. Free memory was 157.5MB in the beginning and 154.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 06:34:08,800 INFO L158 Benchmark]: Boogie Preprocessor took 27.15ms. Allocated memory is still 196.1MB. Free memory was 154.9MB in the beginning and 153.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 06:34:08,800 INFO L158 Benchmark]: RCFGBuilder took 387.08ms. Allocated memory is still 196.1MB. Free memory was 153.3MB in the beginning and 135.5MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2022-01-10 06:34:08,800 INFO L158 Benchmark]: TraceAbstraction took 2168.32ms. Allocated memory was 196.1MB in the beginning and 262.1MB in the end (delta: 66.1MB). Free memory was 135.0MB in the beginning and 216.2MB in the end (delta: -81.2MB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 06:34:08,801 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 196.1MB. Free memory was 162.2MB in the beginning and 162.1MB in the end (delta: 143.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 389.27ms. Allocated memory is still 196.1MB. Free memory was 144.8MB in the beginning and 157.5MB in the end (delta: -12.7MB). Peak memory consumption was 11.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 49.54ms. Allocated memory is still 196.1MB. Free memory was 157.5MB in the beginning and 154.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.15ms. Allocated memory is still 196.1MB. Free memory was 154.9MB in the beginning and 153.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 387.08ms. Allocated memory is still 196.1MB. Free memory was 153.3MB in the beginning and 135.5MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 2168.32ms. Allocated memory was 196.1MB in the beginning and 262.1MB in the end (delta: 66.1MB). Free memory was 135.0MB in the beginning and 216.2MB in the end (delta: -81.2MB). There was no memory consumed. 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 - CounterExampleResult [Line: 1023]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L50] int cleanupTimeShifts = 4; [L323] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L597] int waterLevel = 1; [L598] int methaneLevelCritical = 0; [L704] int pumpRunning = 0; [L705] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L546] int retValue_acc ; [L549] retValue_acc = 1 [L550] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L951] int splverifierCounter ; [L952] int tmp ; [L953] int tmp___0 ; [L954] int tmp___1 ; [L955] int tmp___2 ; [L958] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L960] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L962] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L968] tmp = __VERIFIER_nondet_int() [L970] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=2147483648, waterLevel=1] [L972] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L615] COND TRUE waterLevel < 2 [L616] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L972] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=2147483648, waterLevel=2] [L978] tmp___0 = __VERIFIER_nondet_int() [L980] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=2147483648, tmp___0=0, waterLevel=2] [L988] tmp___2 = __VERIFIER_nondet_int() [L990] COND FALSE !(\read(tmp___2)) [L996] tmp___1 = __VERIFIER_nondet_int() [L998] COND TRUE \read(tmp___1) [L1000] CALL stopSystem() [L930] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L937] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L1000] RET stopSystem() [L1007] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L711] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L718] COND FALSE !(\read(systemActive)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L726] CALL __utac_acc__Specification3_spec__1() [L560] int tmp ; [L561] int tmp___0 ; [L562] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L566] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L636] int retValue_acc ; [L639] retValue_acc = methaneLevelCritical [L640] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L566] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L566] tmp = isMethaneLevelCritical() [L568] COND FALSE !(\read(tmp)) [L572] CALL, EXPR getWaterLevel() [L668] int retValue_acc ; [L671] retValue_acc = waterLevel [L672] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L572] RET, EXPR getWaterLevel() [L572] tmp___0 = getWaterLevel() [L574] COND TRUE tmp___0 == 2 [L576] CALL, EXPR isPumpRunning() [L844] int retValue_acc ; [L847] retValue_acc = pumpRunning [L848] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L576] RET, EXPR isPumpRunning() [L576] tmp___1 = isPumpRunning() [L578] COND FALSE !(\read(tmp___1)) [L582] CALL __automaton_fail() [L1023] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 107 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 211 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 207 mSDsluCounter, 1068 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 547 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 521 mSDtfsCounter, 35 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 114 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=313occurred in iteration=4, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 184 SizeOfPredicates, 5 NumberOfNonLiveVariables, 626 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-01-10 06:34:08,825 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...