./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 80f2ff50c19fe4a3b45780d8d11b89e9a2800d57 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 80f2ff50c19fe4a3b45780d8d11b89e9a2800d57 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 07:47:38,210 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 07:47:38,214 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 07:47:38,263 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 07:47:38,264 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 07:47:38,267 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 07:47:38,269 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 07:47:38,274 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 07:47:38,276 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 07:47:38,281 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 07:47:38,282 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 07:47:38,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 07:47:38,286 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 07:47:38,289 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 07:47:38,291 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 07:47:38,295 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 07:47:38,296 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 07:47:38,297 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 07:47:38,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 07:47:38,305 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 07:47:38,307 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 07:47:38,308 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 07:47:38,310 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 07:47:38,311 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 07:47:38,317 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 07:47:38,318 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 07:47:38,318 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 07:47:38,320 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 07:47:38,320 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 07:47:38,321 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 07:47:38,321 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 07:47:38,322 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 07:47:38,323 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 07:47:38,324 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 07:47:38,326 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 07:47:38,326 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 07:47:38,327 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 07:47:38,327 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 07:47:38,327 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 07:47:38,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 07:47:38,330 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 07:47:38,334 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-08-27 07:47:38,373 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 07:47:38,374 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 07:47:38,375 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 07:47:38,375 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 07:47:38,377 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 07:47:38,377 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 07:47:38,377 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 07:47:38,378 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 07:47:38,378 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 07:47:38,378 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 07:47:38,379 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 07:47:38,379 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 07:47:38,379 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 07:47:38,379 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-27 07:47:38,380 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-27 07:47:38,380 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-08-27 07:47:38,380 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-27 07:47:38,380 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-27 07:47:38,380 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 07:47:38,381 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 07:47:38,381 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 07:47:38,381 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 07:47:38,381 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-27 07:47:38,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 07:47:38,382 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 07:47:38,382 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-27 07:47:38,382 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 07:47:38,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-27 07:47:38,382 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 07:47:38,383 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80f2ff50c19fe4a3b45780d8d11b89e9a2800d57 [2021-08-27 07:47:38,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 07:47:38,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 07:47:38,735 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 07:47:38,736 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 07:47:38,737 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 07:47:38,737 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c [2021-08-27 07:47:38,796 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/970a1508b/9f3b55d5c41648f9881d0c070f8ff9d0/FLAG593586c32 [2021-08-27 07:47:39,236 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 07:47:39,237 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c [2021-08-27 07:47:39,264 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/970a1508b/9f3b55d5c41648f9881d0c070f8ff9d0/FLAG593586c32 [2021-08-27 07:47:39,596 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/970a1508b/9f3b55d5c41648f9881d0c070f8ff9d0 [2021-08-27 07:47:39,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 07:47:39,602 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-27 07:47:39,604 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 07:47:39,604 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 07:47:39,608 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 07:47:39,609 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 07:47:39" (1/1) ... [2021-08-27 07:47:39,609 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ae813ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 07:47:39, skipping insertion in model container [2021-08-27 07:47:39,610 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 07:47:39" (1/1) ... [2021-08-27 07:47:39,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 07:47:39,678 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 07:47:39,813 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c[2713,2726] [2021-08-27 07:47:39,889 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 07:47:39,897 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 07:47:39,933 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c[2713,2726] [2021-08-27 07:47:40,009 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 07:47:40,023 INFO L208 MainTranslator]: Completed translation [2021-08-27 07:47:40,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 07:47:40 WrapperNode [2021-08-27 07:47:40,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 07:47:40,025 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 07:47:40,025 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 07:47:40,025 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 07:47:40,035 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 07:47:40" (1/1) ... [2021-08-27 07:47:40,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 07:47:40" (1/1) ... [2021-08-27 07:47:40,056 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 07:47:40" (1/1) ... [2021-08-27 07:47:40,068 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 07:47:40" (1/1) ... [2021-08-27 07:47:40,101 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 07:47:40" (1/1) ... [2021-08-27 07:47:40,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 07:47:40" (1/1) ... [2021-08-27 07:47:40,125 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 07:47:40" (1/1) ... [2021-08-27 07:47:40,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 07:47:40,139 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 07:47:40,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 07:47:40,140 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 07:47:40,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 07:47:40" (1/1) ... [2021-08-27 07:47:40,146 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 07:47:40,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 07:47:40,163 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) [2021-08-27 07:47:40,188 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 [2021-08-27 07:47:40,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-08-27 07:47:40,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 07:47:40,210 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-08-27 07:47:40,211 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2021-08-27 07:47:40,211 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2021-08-27 07:47:40,212 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2021-08-27 07:47:40,212 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2021-08-27 07:47:40,212 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2021-08-27 07:47:40,212 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2021-08-27 07:47:40,213 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2021-08-27 07:47:40,213 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2021-08-27 07:47:40,213 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2021-08-27 07:47:40,213 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2021-08-27 07:47:40,213 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-08-27 07:47:40,213 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2021-08-27 07:47:40,213 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2021-08-27 07:47:40,214 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2021-08-27 07:47:40,214 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2021-08-27 07:47:40,214 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2021-08-27 07:47:40,214 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2021-08-27 07:47:40,214 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2021-08-27 07:47:40,214 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2021-08-27 07:47:40,214 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2021-08-27 07:47:40,215 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2021-08-27 07:47:40,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2021-08-27 07:47:40,215 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2021-08-27 07:47:40,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2021-08-27 07:47:40,215 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-08-27 07:47:40,215 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-08-27 07:47:40,216 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-08-27 07:47:40,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 07:47:40,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2021-08-27 07:47:40,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-08-27 07:47:40,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2021-08-27 07:47:40,217 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2021-08-27 07:47:40,217 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2021-08-27 07:47:40,217 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2021-08-27 07:47:40,217 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2021-08-27 07:47:40,217 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2021-08-27 07:47:40,217 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2021-08-27 07:47:40,217 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2021-08-27 07:47:40,218 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2021-08-27 07:47:40,218 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2021-08-27 07:47:40,218 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2021-08-27 07:47:40,218 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2021-08-27 07:47:40,218 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2021-08-27 07:47:40,219 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2021-08-27 07:47:40,219 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2021-08-27 07:47:40,219 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2021-08-27 07:47:40,219 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2021-08-27 07:47:40,219 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2021-08-27 07:47:40,220 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2021-08-27 07:47:40,220 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2021-08-27 07:47:40,220 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2021-08-27 07:47:40,220 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2021-08-27 07:47:40,220 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2021-08-27 07:47:40,221 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-08-27 07:47:40,221 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2021-08-27 07:47:40,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-08-27 07:47:40,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-27 07:47:40,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 07:47:40,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-27 07:47:40,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-27 07:47:40,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-27 07:47:40,570 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-27 07:47:40,605 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-08-27 07:47:40,606 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-08-27 07:47:40,617 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-27 07:47:40,635 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-08-27 07:47:40,635 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-08-27 07:47:40,640 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-27 07:47:40,837 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2021-08-27 07:47:40,837 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2021-08-27 07:47:40,839 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-27 07:47:40,921 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2021-08-27 07:47:40,921 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2021-08-27 07:47:40,931 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-27 07:47:40,981 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2021-08-27 07:47:40,981 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2021-08-27 07:47:41,074 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-27 07:47:41,084 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-08-27 07:47:41,085 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-08-27 07:47:41,085 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-27 07:47:41,103 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-08-27 07:47:41,103 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-08-27 07:47:41,104 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-27 07:47:41,115 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-08-27 07:47:41,116 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-08-27 07:47:41,156 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-27 07:47:41,207 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2021-08-27 07:47:41,208 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2021-08-27 07:47:41,261 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-27 07:47:41,269 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-08-27 07:47:41,269 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-08-27 07:47:41,270 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-27 07:47:41,294 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-08-27 07:47:41,294 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-08-27 07:47:41,294 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-27 07:47:41,302 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-08-27 07:47:41,302 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-08-27 07:47:41,318 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 07:47:41,318 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-08-27 07:47:41,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 07:47:41 BoogieIcfgContainer [2021-08-27 07:47:41,321 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 07:47:41,322 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-27 07:47:41,322 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-27 07:47:41,325 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-27 07:47:41,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 07:47:39" (1/3) ... [2021-08-27 07:47:41,326 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@334e6090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 07:47:41, skipping insertion in model container [2021-08-27 07:47:41,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 07:47:40" (2/3) ... [2021-08-27 07:47:41,326 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@334e6090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 07:47:41, skipping insertion in model container [2021-08-27 07:47:41,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 07:47:41" (3/3) ... [2021-08-27 07:47:41,327 INFO L111 eAbstractionObserver]: Analyzing ICFG floppy_simpl3.cil-1.c [2021-08-27 07:47:41,332 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-27 07:47:41,333 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-08-27 07:47:41,368 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-27 07:47:41,374 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=false, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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 [2021-08-27 07:47:41,374 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-08-27 07:47:41,393 INFO L276 IsEmpty]: Start isEmpty. Operand has 303 states, 219 states have (on average 1.4292237442922375) internal successors, (313), 243 states have internal predecessors, (313), 57 states have call successors, (57), 24 states have call predecessors, (57), 24 states have return successors, (57), 51 states have call predecessors, (57), 57 states have call successors, (57) [2021-08-27 07:47:41,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-08-27 07:47:41,400 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:47:41,400 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:47:41,401 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:47:41,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:47:41,406 INFO L82 PathProgramCache]: Analyzing trace with hash 1798557025, now seen corresponding path program 1 times [2021-08-27 07:47:41,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 07:47:41,413 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915733793] [2021-08-27 07:47:41,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:47:41,414 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 07:47:41,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:41,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-08-27 07:47:41,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:41,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-08-27 07:47:41,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:41,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:47:41,961 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 07:47:41,961 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915733793] [2021-08-27 07:47:41,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915733793] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 07:47:41,962 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:47:41,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-27 07:47:41,964 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390725431] [2021-08-27 07:47:41,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-27 07:47:41,968 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 07:47:41,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-27 07:47:41,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-27 07:47:41,989 INFO L87 Difference]: Start difference. First operand has 303 states, 219 states have (on average 1.4292237442922375) internal successors, (313), 243 states have internal predecessors, (313), 57 states have call successors, (57), 24 states have call predecessors, (57), 24 states have return successors, (57), 51 states have call predecessors, (57), 57 states have call successors, (57) Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-08-27 07:47:43,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:47:43,146 INFO L93 Difference]: Finished difference Result 330 states and 450 transitions. [2021-08-27 07:47:43,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-27 07:47:43,148 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2021-08-27 07:47:43,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:47:43,159 INFO L225 Difference]: With dead ends: 330 [2021-08-27 07:47:43,159 INFO L226 Difference]: Without dead ends: 324 [2021-08-27 07:47:43,160 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 247.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-27 07:47:43,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2021-08-27 07:47:43,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 294. [2021-08-27 07:47:43,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 214 states have (on average 1.3785046728971964) internal successors, (295), 235 states have internal predecessors, (295), 57 states have call successors, (57), 24 states have call predecessors, (57), 22 states have return successors, (37), 36 states have call predecessors, (37), 37 states have call successors, (37) [2021-08-27 07:47:43,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 389 transitions. [2021-08-27 07:47:43,213 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 389 transitions. Word has length 15 [2021-08-27 07:47:43,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:47:43,213 INFO L470 AbstractCegarLoop]: Abstraction has 294 states and 389 transitions. [2021-08-27 07:47:43,213 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-08-27 07:47:43,214 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 389 transitions. [2021-08-27 07:47:43,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-08-27 07:47:43,214 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:47:43,214 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:47:43,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-27 07:47:43,215 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:47:43,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:47:43,216 INFO L82 PathProgramCache]: Analyzing trace with hash -477224522, now seen corresponding path program 1 times [2021-08-27 07:47:43,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 07:47:43,216 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045214004] [2021-08-27 07:47:43,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:47:43,217 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 07:47:43,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:43,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-08-27 07:47:43,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:43,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-08-27 07:47:43,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:43,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:47:43,452 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 07:47:43,452 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045214004] [2021-08-27 07:47:43,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045214004] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 07:47:43,453 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:47:43,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-27 07:47:43,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234285483] [2021-08-27 07:47:43,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-27 07:47:43,454 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 07:47:43,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-27 07:47:43,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-27 07:47:43,455 INFO L87 Difference]: Start difference. First operand 294 states and 389 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-08-27 07:47:44,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:47:44,509 INFO L93 Difference]: Finished difference Result 324 states and 435 transitions. [2021-08-27 07:47:44,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-27 07:47:44,510 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 20 [2021-08-27 07:47:44,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:47:44,512 INFO L225 Difference]: With dead ends: 324 [2021-08-27 07:47:44,513 INFO L226 Difference]: Without dead ends: 324 [2021-08-27 07:47:44,513 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 150.1ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-27 07:47:44,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2021-08-27 07:47:44,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 294. [2021-08-27 07:47:44,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 214 states have (on average 1.3738317757009346) internal successors, (294), 235 states have internal predecessors, (294), 57 states have call successors, (57), 24 states have call predecessors, (57), 22 states have return successors, (37), 36 states have call predecessors, (37), 37 states have call successors, (37) [2021-08-27 07:47:44,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 388 transitions. [2021-08-27 07:47:44,540 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 388 transitions. Word has length 20 [2021-08-27 07:47:44,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:47:44,541 INFO L470 AbstractCegarLoop]: Abstraction has 294 states and 388 transitions. [2021-08-27 07:47:44,541 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-08-27 07:47:44,541 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 388 transitions. [2021-08-27 07:47:44,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-08-27 07:47:44,542 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:47:44,542 INFO L512 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] [2021-08-27 07:47:44,543 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-27 07:47:44,543 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:47:44,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:47:44,544 INFO L82 PathProgramCache]: Analyzing trace with hash 1351580342, now seen corresponding path program 1 times [2021-08-27 07:47:44,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 07:47:44,545 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915506256] [2021-08-27 07:47:44,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:47:44,545 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 07:47:44,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:44,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-08-27 07:47:44,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:44,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-08-27 07:47:44,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:44,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-08-27 07:47:44,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:44,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:47:44,813 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 07:47:44,813 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915506256] [2021-08-27 07:47:44,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915506256] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 07:47:44,814 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:47:44,814 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-27 07:47:44,815 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114551226] [2021-08-27 07:47:44,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-27 07:47:44,816 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 07:47:44,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-27 07:47:44,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-08-27 07:47:44,818 INFO L87 Difference]: Start difference. First operand 294 states and 388 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 3 states have internal predecessors, (18), 3 states have call successors, (7), 6 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-08-27 07:47:46,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:47:46,178 INFO L93 Difference]: Finished difference Result 481 states and 642 transitions. [2021-08-27 07:47:46,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-27 07:47:46,179 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 3 states have internal predecessors, (18), 3 states have call successors, (7), 6 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28 [2021-08-27 07:47:46,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:47:46,183 INFO L225 Difference]: With dead ends: 481 [2021-08-27 07:47:46,183 INFO L226 Difference]: Without dead ends: 480 [2021-08-27 07:47:46,183 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 273.3ms TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2021-08-27 07:47:46,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2021-08-27 07:47:46,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 431. [2021-08-27 07:47:46,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 329 states have (on average 1.3161094224924013) internal successors, (433), 336 states have internal predecessors, (433), 66 states have call successors, (66), 37 states have call predecessors, (66), 35 states have return successors, (74), 59 states have call predecessors, (74), 54 states have call successors, (74) [2021-08-27 07:47:46,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 573 transitions. [2021-08-27 07:47:46,206 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 573 transitions. Word has length 28 [2021-08-27 07:47:46,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:47:46,206 INFO L470 AbstractCegarLoop]: Abstraction has 431 states and 573 transitions. [2021-08-27 07:47:46,206 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 3 states have internal predecessors, (18), 3 states have call successors, (7), 6 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-08-27 07:47:46,206 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 573 transitions. [2021-08-27 07:47:46,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-08-27 07:47:46,207 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:47:46,207 INFO L512 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] [2021-08-27 07:47:46,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-27 07:47:46,208 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:47:46,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:47:46,209 INFO L82 PathProgramCache]: Analyzing trace with hash 880923331, now seen corresponding path program 1 times [2021-08-27 07:47:46,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 07:47:46,209 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724222326] [2021-08-27 07:47:46,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:47:46,209 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 07:47:46,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:46,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-08-27 07:47:46,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:46,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-08-27 07:47:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:46,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-08-27 07:47:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:46,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:47:46,429 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 07:47:46,430 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724222326] [2021-08-27 07:47:46,430 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724222326] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 07:47:46,430 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:47:46,430 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-27 07:47:46,430 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502970206] [2021-08-27 07:47:46,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-27 07:47:46,431 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 07:47:46,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-27 07:47:46,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-08-27 07:47:46,432 INFO L87 Difference]: Start difference. First operand 431 states and 573 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (7), 6 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-08-27 07:47:47,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:47:47,550 INFO L93 Difference]: Finished difference Result 679 states and 906 transitions. [2021-08-27 07:47:47,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-27 07:47:47,551 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (7), 6 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 30 [2021-08-27 07:47:47,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:47:47,555 INFO L225 Difference]: With dead ends: 679 [2021-08-27 07:47:47,555 INFO L226 Difference]: Without dead ends: 679 [2021-08-27 07:47:47,556 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 247.6ms TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2021-08-27 07:47:47,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2021-08-27 07:47:47,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 634. [2021-08-27 07:47:47,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 494 states have (on average 1.3157894736842106) internal successors, (650), 499 states have internal predecessors, (650), 86 states have call successors, (86), 55 states have call predecessors, (86), 53 states have return successors, (112), 81 states have call predecessors, (112), 76 states have call successors, (112) [2021-08-27 07:47:47,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 848 transitions. [2021-08-27 07:47:47,581 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 848 transitions. Word has length 30 [2021-08-27 07:47:47,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:47:47,581 INFO L470 AbstractCegarLoop]: Abstraction has 634 states and 848 transitions. [2021-08-27 07:47:47,581 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (7), 6 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-08-27 07:47:47,582 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 848 transitions. [2021-08-27 07:47:47,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-27 07:47:47,583 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:47:47,583 INFO L512 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] [2021-08-27 07:47:47,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-27 07:47:47,583 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:47:47,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:47:47,584 INFO L82 PathProgramCache]: Analyzing trace with hash 997790288, now seen corresponding path program 1 times [2021-08-27 07:47:47,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 07:47:47,584 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530842546] [2021-08-27 07:47:47,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:47:47,585 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 07:47:47,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:47,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-08-27 07:47:47,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:47,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-08-27 07:47:47,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:47,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-08-27 07:47:47,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:47,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:47:47,804 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 07:47:47,804 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530842546] [2021-08-27 07:47:47,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530842546] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 07:47:47,804 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:47:47,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-27 07:47:47,805 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940490858] [2021-08-27 07:47:47,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-27 07:47:47,805 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 07:47:47,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-27 07:47:47,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-08-27 07:47:47,807 INFO L87 Difference]: Start difference. First operand 634 states and 848 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 3 states have internal predecessors, (24), 3 states have call successors, (7), 6 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-08-27 07:47:49,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:47:49,000 INFO L93 Difference]: Finished difference Result 723 states and 956 transitions. [2021-08-27 07:47:49,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-27 07:47:49,001 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 3 states have internal predecessors, (24), 3 states have call successors, (7), 6 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 34 [2021-08-27 07:47:49,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:47:49,006 INFO L225 Difference]: With dead ends: 723 [2021-08-27 07:47:49,007 INFO L226 Difference]: Without dead ends: 723 [2021-08-27 07:47:49,007 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 264.1ms TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2021-08-27 07:47:49,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2021-08-27 07:47:49,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 678. [2021-08-27 07:47:49,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 678 states, 532 states have (on average 1.3195488721804511) internal successors, (702), 543 states have internal predecessors, (702), 87 states have call successors, (87), 57 states have call predecessors, (87), 58 states have return successors, (117), 80 states have call predecessors, (117), 78 states have call successors, (117) [2021-08-27 07:47:49,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 906 transitions. [2021-08-27 07:47:49,039 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 906 transitions. Word has length 34 [2021-08-27 07:47:49,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:47:49,040 INFO L470 AbstractCegarLoop]: Abstraction has 678 states and 906 transitions. [2021-08-27 07:47:49,043 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 3 states have internal predecessors, (24), 3 states have call successors, (7), 6 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-08-27 07:47:49,043 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 906 transitions. [2021-08-27 07:47:49,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-08-27 07:47:49,050 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:47:49,050 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:47:49,050 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-27 07:47:49,051 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:47:49,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:47:49,051 INFO L82 PathProgramCache]: Analyzing trace with hash 745640695, now seen corresponding path program 1 times [2021-08-27 07:47:49,051 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 07:47:49,052 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581725491] [2021-08-27 07:47:49,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:47:49,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 07:47:49,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:49,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-08-27 07:47:49,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:49,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-08-27 07:47:49,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:49,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-08-27 07:47:49,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:49,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-08-27 07:47:49,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:49,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:47:49,309 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 07:47:49,309 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581725491] [2021-08-27 07:47:49,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581725491] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 07:47:49,310 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:47:49,310 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-08-27 07:47:49,310 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118119712] [2021-08-27 07:47:49,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-27 07:47:49,311 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 07:47:49,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-27 07:47:49,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-08-27 07:47:49,311 INFO L87 Difference]: Start difference. First operand 678 states and 906 transitions. Second operand has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (8), 6 states have call predecessors, (8), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2021-08-27 07:47:50,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:47:50,388 INFO L93 Difference]: Finished difference Result 704 states and 936 transitions. [2021-08-27 07:47:50,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-27 07:47:50,398 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (8), 6 states have call predecessors, (8), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 41 [2021-08-27 07:47:50,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:47:50,401 INFO L225 Difference]: With dead ends: 704 [2021-08-27 07:47:50,402 INFO L226 Difference]: Without dead ends: 704 [2021-08-27 07:47:50,402 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 233.0ms TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-08-27 07:47:50,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2021-08-27 07:47:50,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 682. [2021-08-27 07:47:50,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 682 states, 535 states have (on average 1.3177570093457944) internal successors, (705), 546 states have internal predecessors, (705), 87 states have call successors, (87), 57 states have call predecessors, (87), 59 states have return successors, (118), 81 states have call predecessors, (118), 78 states have call successors, (118) [2021-08-27 07:47:50,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 910 transitions. [2021-08-27 07:47:50,428 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 910 transitions. Word has length 41 [2021-08-27 07:47:50,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:47:50,430 INFO L470 AbstractCegarLoop]: Abstraction has 682 states and 910 transitions. [2021-08-27 07:47:50,430 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (8), 6 states have call predecessors, (8), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2021-08-27 07:47:50,430 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 910 transitions. [2021-08-27 07:47:50,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-08-27 07:47:50,432 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:47:50,432 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:47:50,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-27 07:47:50,433 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:47:50,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:47:50,433 INFO L82 PathProgramCache]: Analyzing trace with hash 238427558, now seen corresponding path program 1 times [2021-08-27 07:47:50,433 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 07:47:50,437 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758575455] [2021-08-27 07:47:50,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:47:50,437 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 07:47:50,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:50,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-08-27 07:47:50,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:50,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-08-27 07:47:50,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:50,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-08-27 07:47:50,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:50,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:47:50,663 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 07:47:50,663 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758575455] [2021-08-27 07:47:50,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758575455] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 07:47:50,664 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:47:50,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-27 07:47:50,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346727704] [2021-08-27 07:47:50,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-27 07:47:50,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 07:47:50,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-27 07:47:50,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-08-27 07:47:50,665 INFO L87 Difference]: Start difference. First operand 682 states and 910 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (7), 6 states have call predecessors, (7), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-08-27 07:47:51,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:47:51,743 INFO L93 Difference]: Finished difference Result 706 states and 940 transitions. [2021-08-27 07:47:51,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-27 07:47:51,744 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (7), 6 states have call predecessors, (7), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 40 [2021-08-27 07:47:51,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:47:51,753 INFO L225 Difference]: With dead ends: 706 [2021-08-27 07:47:51,753 INFO L226 Difference]: Without dead ends: 706 [2021-08-27 07:47:51,754 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 223.8ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-08-27 07:47:51,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2021-08-27 07:47:51,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 693. [2021-08-27 07:47:51,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 693 states, 546 states have (on average 1.3168498168498168) internal successors, (719), 556 states have internal predecessors, (719), 87 states have call successors, (87), 58 states have call predecessors, (87), 59 states have return successors, (118), 81 states have call predecessors, (118), 78 states have call successors, (118) [2021-08-27 07:47:51,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 924 transitions. [2021-08-27 07:47:51,775 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 924 transitions. Word has length 40 [2021-08-27 07:47:51,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:47:51,776 INFO L470 AbstractCegarLoop]: Abstraction has 693 states and 924 transitions. [2021-08-27 07:47:51,777 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (7), 6 states have call predecessors, (7), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-08-27 07:47:51,777 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 924 transitions. [2021-08-27 07:47:51,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-08-27 07:47:51,778 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:47:51,778 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:47:51,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-27 07:47:51,778 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:47:51,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:47:51,779 INFO L82 PathProgramCache]: Analyzing trace with hash 1155197731, now seen corresponding path program 1 times [2021-08-27 07:47:51,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 07:47:51,780 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117766578] [2021-08-27 07:47:51,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:47:51,780 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 07:47:51,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:51,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-08-27 07:47:51,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:51,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-08-27 07:47:51,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:51,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-08-27 07:47:51,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:52,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-08-27 07:47:52,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:52,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-08-27 07:47:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:52,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:47:52,053 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 07:47:52,053 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117766578] [2021-08-27 07:47:52,054 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117766578] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 07:47:52,054 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:47:52,054 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-27 07:47:52,054 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150656830] [2021-08-27 07:47:52,054 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-27 07:47:52,055 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 07:47:52,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-27 07:47:52,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-27 07:47:52,056 INFO L87 Difference]: Start difference. First operand 693 states and 924 transitions. Second operand has 8 states, 8 states have (on average 3.625) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (7), 7 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2021-08-27 07:47:52,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:47:52,885 INFO L93 Difference]: Finished difference Result 763 states and 1011 transitions. [2021-08-27 07:47:52,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-27 07:47:52,885 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (7), 7 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 41 [2021-08-27 07:47:52,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:47:52,889 INFO L225 Difference]: With dead ends: 763 [2021-08-27 07:47:52,889 INFO L226 Difference]: Without dead ends: 763 [2021-08-27 07:47:52,889 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 276.6ms TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-08-27 07:47:52,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2021-08-27 07:47:52,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 732. [2021-08-27 07:47:52,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 732 states, 579 states have (on average 1.31433506044905) internal successors, (761), 592 states have internal predecessors, (761), 87 states have call successors, (87), 58 states have call predecessors, (87), 65 states have return successors, (124), 83 states have call predecessors, (124), 78 states have call successors, (124) [2021-08-27 07:47:52,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 972 transitions. [2021-08-27 07:47:52,909 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 972 transitions. Word has length 41 [2021-08-27 07:47:52,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:47:52,909 INFO L470 AbstractCegarLoop]: Abstraction has 732 states and 972 transitions. [2021-08-27 07:47:52,909 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (7), 7 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2021-08-27 07:47:52,909 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 972 transitions. [2021-08-27 07:47:52,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-08-27 07:47:52,911 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:47:52,911 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:47:52,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-27 07:47:52,912 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:47:52,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:47:52,912 INFO L82 PathProgramCache]: Analyzing trace with hash 1904225145, now seen corresponding path program 1 times [2021-08-27 07:47:52,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 07:47:52,913 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141503439] [2021-08-27 07:47:52,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:47:52,913 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 07:47:52,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:53,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-08-27 07:47:53,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:53,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-08-27 07:47:53,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:53,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-08-27 07:47:53,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:53,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-08-27 07:47:53,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:53,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-08-27 07:47:53,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:53,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:47:53,237 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 07:47:53,239 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141503439] [2021-08-27 07:47:53,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141503439] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 07:47:53,239 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:47:53,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-08-27 07:47:53,239 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587093754] [2021-08-27 07:47:53,241 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-08-27 07:47:53,241 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 07:47:53,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-27 07:47:53,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-08-27 07:47:53,247 INFO L87 Difference]: Start difference. First operand 732 states and 972 transitions. Second operand has 12 states, 12 states have (on average 2.5) internal successors, (30), 7 states have internal predecessors, (30), 3 states have call successors, (7), 7 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2021-08-27 07:47:54,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:47:54,665 INFO L93 Difference]: Finished difference Result 763 states and 1009 transitions. [2021-08-27 07:47:54,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-27 07:47:54,665 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.5) internal successors, (30), 7 states have internal predecessors, (30), 3 states have call successors, (7), 7 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) Word has length 42 [2021-08-27 07:47:54,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:47:54,669 INFO L225 Difference]: With dead ends: 763 [2021-08-27 07:47:54,670 INFO L226 Difference]: Without dead ends: 763 [2021-08-27 07:47:54,670 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 646.8ms TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2021-08-27 07:47:54,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2021-08-27 07:47:54,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 732. [2021-08-27 07:47:54,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 732 states, 579 states have (on average 1.310880829015544) internal successors, (759), 592 states have internal predecessors, (759), 87 states have call successors, (87), 58 states have call predecessors, (87), 65 states have return successors, (124), 83 states have call predecessors, (124), 78 states have call successors, (124) [2021-08-27 07:47:54,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 970 transitions. [2021-08-27 07:47:54,690 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 970 transitions. Word has length 42 [2021-08-27 07:47:54,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:47:54,691 INFO L470 AbstractCegarLoop]: Abstraction has 732 states and 970 transitions. [2021-08-27 07:47:54,691 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.5) internal successors, (30), 7 states have internal predecessors, (30), 3 states have call successors, (7), 7 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2021-08-27 07:47:54,691 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 970 transitions. [2021-08-27 07:47:54,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-08-27 07:47:54,692 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:47:54,692 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:47:54,692 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-27 07:47:54,692 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:47:54,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:47:54,693 INFO L82 PathProgramCache]: Analyzing trace with hash -1987582385, now seen corresponding path program 1 times [2021-08-27 07:47:54,693 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 07:47:54,694 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562676102] [2021-08-27 07:47:54,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:47:54,695 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 07:47:54,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:54,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-08-27 07:47:54,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:54,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-08-27 07:47:54,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:54,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-08-27 07:47:54,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:54,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-08-27 07:47:54,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:55,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-08-27 07:47:55,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:55,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:47:55,055 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 07:47:55,056 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562676102] [2021-08-27 07:47:55,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562676102] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 07:47:55,056 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:47:55,056 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-08-27 07:47:55,056 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150322277] [2021-08-27 07:47:55,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-08-27 07:47:55,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 07:47:55,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-27 07:47:55,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-08-27 07:47:55,057 INFO L87 Difference]: Start difference. First operand 732 states and 970 transitions. Second operand has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 7 states have internal predecessors, (31), 3 states have call successors, (7), 7 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2021-08-27 07:47:56,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:47:56,610 INFO L93 Difference]: Finished difference Result 763 states and 1007 transitions. [2021-08-27 07:47:56,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-27 07:47:56,610 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 7 states have internal predecessors, (31), 3 states have call successors, (7), 7 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) Word has length 43 [2021-08-27 07:47:56,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:47:56,613 INFO L225 Difference]: With dead ends: 763 [2021-08-27 07:47:56,613 INFO L226 Difference]: Without dead ends: 763 [2021-08-27 07:47:56,614 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 629.7ms TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2021-08-27 07:47:56,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2021-08-27 07:47:56,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 732. [2021-08-27 07:47:56,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 732 states, 579 states have (on average 1.307426597582038) internal successors, (757), 592 states have internal predecessors, (757), 87 states have call successors, (87), 58 states have call predecessors, (87), 65 states have return successors, (124), 83 states have call predecessors, (124), 78 states have call successors, (124) [2021-08-27 07:47:56,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 968 transitions. [2021-08-27 07:47:56,631 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 968 transitions. Word has length 43 [2021-08-27 07:47:56,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:47:56,631 INFO L470 AbstractCegarLoop]: Abstraction has 732 states and 968 transitions. [2021-08-27 07:47:56,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 7 states have internal predecessors, (31), 3 states have call successors, (7), 7 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2021-08-27 07:47:56,632 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 968 transitions. [2021-08-27 07:47:56,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-08-27 07:47:56,632 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:47:56,633 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:47:56,633 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-27 07:47:56,633 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:47:56,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:47:56,633 INFO L82 PathProgramCache]: Analyzing trace with hash 1134491961, now seen corresponding path program 1 times [2021-08-27 07:47:56,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 07:47:56,634 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2190544] [2021-08-27 07:47:56,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:47:56,634 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 07:47:56,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:56,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-08-27 07:47:56,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:56,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-08-27 07:47:56,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:56,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-08-27 07:47:56,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:56,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-08-27 07:47:56,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:56,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:47:56,824 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 07:47:56,824 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2190544] [2021-08-27 07:47:56,824 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2190544] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 07:47:56,824 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:47:56,825 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-27 07:47:56,825 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209968359] [2021-08-27 07:47:56,825 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-27 07:47:56,825 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 07:47:56,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-27 07:47:56,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-08-27 07:47:56,826 INFO L87 Difference]: Start difference. First operand 732 states and 968 transitions. Second operand has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (8), 6 states have call predecessors, (8), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-08-27 07:47:58,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:47:58,464 INFO L93 Difference]: Finished difference Result 1106 states and 1479 transitions. [2021-08-27 07:47:58,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-27 07:47:58,465 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (8), 6 states have call predecessors, (8), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 44 [2021-08-27 07:47:58,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:47:58,469 INFO L225 Difference]: With dead ends: 1106 [2021-08-27 07:47:58,469 INFO L226 Difference]: Without dead ends: 1106 [2021-08-27 07:47:58,469 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 243.5ms TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-08-27 07:47:58,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1106 states. [2021-08-27 07:47:58,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1106 to 845. [2021-08-27 07:47:58,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 845 states, 670 states have (on average 1.3149253731343284) internal successors, (881), 685 states have internal predecessors, (881), 97 states have call successors, (97), 68 states have call predecessors, (97), 77 states have return successors, (144), 93 states have call predecessors, (144), 88 states have call successors, (144) [2021-08-27 07:47:58,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 1122 transitions. [2021-08-27 07:47:58,493 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 1122 transitions. Word has length 44 [2021-08-27 07:47:58,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:47:58,494 INFO L470 AbstractCegarLoop]: Abstraction has 845 states and 1122 transitions. [2021-08-27 07:47:58,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (8), 6 states have call predecessors, (8), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-08-27 07:47:58,494 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1122 transitions. [2021-08-27 07:47:58,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-08-27 07:47:58,495 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:47:58,495 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:47:58,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-27 07:47:58,495 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:47:58,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:47:58,496 INFO L82 PathProgramCache]: Analyzing trace with hash -1430364190, now seen corresponding path program 1 times [2021-08-27 07:47:58,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 07:47:58,496 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605663052] [2021-08-27 07:47:58,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:47:58,497 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 07:47:58,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:58,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-08-27 07:47:58,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:58,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-08-27 07:47:58,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:58,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-08-27 07:47:58,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:58,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-08-27 07:47:58,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:58,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-08-27 07:47:58,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:58,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:47:58,735 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 07:47:58,735 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605663052] [2021-08-27 07:47:58,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605663052] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 07:47:58,736 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:47:58,736 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-08-27 07:47:58,736 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851608801] [2021-08-27 07:47:58,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-27 07:47:58,737 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 07:47:58,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-27 07:47:58,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-08-27 07:47:58,737 INFO L87 Difference]: Start difference. First operand 845 states and 1122 transitions. Second operand has 10 states, 10 states have (on average 3.2) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (7), 7 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2021-08-27 07:47:59,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:47:59,484 INFO L93 Difference]: Finished difference Result 885 states and 1170 transitions. [2021-08-27 07:47:59,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-27 07:47:59,485 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.2) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (7), 7 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 44 [2021-08-27 07:47:59,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:47:59,489 INFO L225 Difference]: With dead ends: 885 [2021-08-27 07:47:59,489 INFO L226 Difference]: Without dead ends: 870 [2021-08-27 07:47:59,489 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 156.0ms TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-08-27 07:47:59,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2021-08-27 07:47:59,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 843. [2021-08-27 07:47:59,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 843 states, 669 states have (on average 1.3139013452914798) internal successors, (879), 684 states have internal predecessors, (879), 96 states have call successors, (96), 68 states have call predecessors, (96), 77 states have return successors, (143), 92 states have call predecessors, (143), 87 states have call successors, (143) [2021-08-27 07:47:59,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 843 states and 1118 transitions. [2021-08-27 07:47:59,509 INFO L78 Accepts]: Start accepts. Automaton has 843 states and 1118 transitions. Word has length 44 [2021-08-27 07:47:59,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:47:59,509 INFO L470 AbstractCegarLoop]: Abstraction has 843 states and 1118 transitions. [2021-08-27 07:47:59,509 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.2) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (7), 7 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2021-08-27 07:47:59,510 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1118 transitions. [2021-08-27 07:47:59,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-08-27 07:47:59,510 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:47:59,511 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:47:59,511 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-27 07:47:59,511 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:47:59,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:47:59,512 INFO L82 PathProgramCache]: Analyzing trace with hash 571683511, now seen corresponding path program 1 times [2021-08-27 07:47:59,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 07:47:59,512 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101463146] [2021-08-27 07:47:59,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:47:59,512 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 07:47:59,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:59,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-08-27 07:47:59,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:59,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-08-27 07:47:59,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:59,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-08-27 07:47:59,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:59,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-08-27 07:47:59,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:47:59,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:47:59,808 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 07:47:59,808 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101463146] [2021-08-27 07:47:59,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101463146] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 07:47:59,808 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:47:59,808 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-08-27 07:47:59,809 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94147866] [2021-08-27 07:47:59,809 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-27 07:47:59,810 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 07:47:59,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-27 07:47:59,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-08-27 07:47:59,810 INFO L87 Difference]: Start difference. First operand 843 states and 1118 transitions. Second operand has 10 states, 10 states have (on average 3.3) internal successors, (33), 6 states have internal predecessors, (33), 4 states have call successors, (8), 7 states have call predecessors, (8), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-08-27 07:48:01,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:48:01,963 INFO L93 Difference]: Finished difference Result 897 states and 1174 transitions. [2021-08-27 07:48:01,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-27 07:48:01,963 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.3) internal successors, (33), 6 states have internal predecessors, (33), 4 states have call successors, (8), 7 states have call predecessors, (8), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 45 [2021-08-27 07:48:01,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:48:01,967 INFO L225 Difference]: With dead ends: 897 [2021-08-27 07:48:01,967 INFO L226 Difference]: Without dead ends: 897 [2021-08-27 07:48:01,967 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 665.2ms TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2021-08-27 07:48:01,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 897 states. [2021-08-27 07:48:01,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 897 to 834. [2021-08-27 07:48:01,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 834 states, 660 states have (on average 1.3) internal successors, (858), 675 states have internal predecessors, (858), 96 states have call successors, (96), 68 states have call predecessors, (96), 77 states have return successors, (143), 92 states have call predecessors, (143), 87 states have call successors, (143) [2021-08-27 07:48:01,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 1097 transitions. [2021-08-27 07:48:01,987 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 1097 transitions. Word has length 45 [2021-08-27 07:48:01,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:48:01,988 INFO L470 AbstractCegarLoop]: Abstraction has 834 states and 1097 transitions. [2021-08-27 07:48:01,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.3) internal successors, (33), 6 states have internal predecessors, (33), 4 states have call successors, (8), 7 states have call predecessors, (8), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-08-27 07:48:01,989 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1097 transitions. [2021-08-27 07:48:01,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-08-27 07:48:01,990 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:48:01,990 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:48:01,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-27 07:48:01,990 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:48:01,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:48:01,991 INFO L82 PathProgramCache]: Analyzing trace with hash 200933273, now seen corresponding path program 1 times [2021-08-27 07:48:01,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 07:48:01,991 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026954575] [2021-08-27 07:48:01,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:48:01,991 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 07:48:02,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:02,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-08-27 07:48:02,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:02,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-08-27 07:48:02,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:02,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-08-27 07:48:02,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:02,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-08-27 07:48:02,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:02,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:48:02,191 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 07:48:02,191 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026954575] [2021-08-27 07:48:02,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026954575] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 07:48:02,191 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:48:02,192 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-27 07:48:02,192 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236401658] [2021-08-27 07:48:02,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-27 07:48:02,192 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 07:48:02,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-27 07:48:02,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-08-27 07:48:02,193 INFO L87 Difference]: Start difference. First operand 834 states and 1097 transitions. Second operand has 8 states, 8 states have (on average 4.5) internal successors, (36), 4 states have internal predecessors, (36), 3 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-08-27 07:48:03,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:48:03,633 INFO L93 Difference]: Finished difference Result 594 states and 749 transitions. [2021-08-27 07:48:03,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-27 07:48:03,634 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 4 states have internal predecessors, (36), 3 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 49 [2021-08-27 07:48:03,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:48:03,636 INFO L225 Difference]: With dead ends: 594 [2021-08-27 07:48:03,636 INFO L226 Difference]: Without dead ends: 594 [2021-08-27 07:48:03,637 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 383.1ms TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-08-27 07:48:03,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2021-08-27 07:48:03,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 542. [2021-08-27 07:48:03,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 429 states have (on average 1.2773892773892774) internal successors, (548), 441 states have internal predecessors, (548), 63 states have call successors, (63), 43 states have call predecessors, (63), 49 states have return successors, (75), 59 states have call predecessors, (75), 54 states have call successors, (75) [2021-08-27 07:48:03,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 686 transitions. [2021-08-27 07:48:03,649 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 686 transitions. Word has length 49 [2021-08-27 07:48:03,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:48:03,649 INFO L470 AbstractCegarLoop]: Abstraction has 542 states and 686 transitions. [2021-08-27 07:48:03,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 4 states have internal predecessors, (36), 3 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-08-27 07:48:03,649 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 686 transitions. [2021-08-27 07:48:03,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-08-27 07:48:03,651 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:48:03,651 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:48:03,651 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-08-27 07:48:03,652 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:48:03,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:48:03,652 INFO L82 PathProgramCache]: Analyzing trace with hash 990627785, now seen corresponding path program 1 times [2021-08-27 07:48:03,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 07:48:03,652 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010195798] [2021-08-27 07:48:03,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:48:03,653 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 07:48:03,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:03,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-08-27 07:48:03,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:03,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-08-27 07:48:03,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:03,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-08-27 07:48:03,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:03,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-08-27 07:48:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:03,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-08-27 07:48:03,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:03,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-08-27 07:48:03,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:03,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:48:03,884 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 07:48:03,884 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010195798] [2021-08-27 07:48:03,884 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010195798] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 07:48:03,884 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:48:03,884 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-27 07:48:03,884 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433965253] [2021-08-27 07:48:03,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-27 07:48:03,885 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 07:48:03,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-27 07:48:03,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-27 07:48:03,886 INFO L87 Difference]: Start difference. First operand 542 states and 686 transitions. Second operand has 8 states, 8 states have (on average 4.75) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (11), 7 states have call predecessors, (11), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2021-08-27 07:48:04,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:48:04,707 INFO L93 Difference]: Finished difference Result 583 states and 739 transitions. [2021-08-27 07:48:04,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-27 07:48:04,708 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (11), 7 states have call predecessors, (11), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 55 [2021-08-27 07:48:04,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:48:04,710 INFO L225 Difference]: With dead ends: 583 [2021-08-27 07:48:04,710 INFO L226 Difference]: Without dead ends: 583 [2021-08-27 07:48:04,711 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 241.8ms TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2021-08-27 07:48:04,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2021-08-27 07:48:04,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 556. [2021-08-27 07:48:04,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 556 states, 442 states have (on average 1.2782805429864252) internal successors, (565), 454 states have internal predecessors, (565), 63 states have call successors, (63), 43 states have call predecessors, (63), 50 states have return successors, (78), 59 states have call predecessors, (78), 54 states have call successors, (78) [2021-08-27 07:48:04,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 706 transitions. [2021-08-27 07:48:04,723 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 706 transitions. Word has length 55 [2021-08-27 07:48:04,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:48:04,723 INFO L470 AbstractCegarLoop]: Abstraction has 556 states and 706 transitions. [2021-08-27 07:48:04,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (11), 7 states have call predecessors, (11), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2021-08-27 07:48:04,723 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 706 transitions. [2021-08-27 07:48:04,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-08-27 07:48:04,724 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:48:04,725 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:48:04,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-27 07:48:04,725 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:48:04,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:48:04,726 INFO L82 PathProgramCache]: Analyzing trace with hash 1272827596, now seen corresponding path program 1 times [2021-08-27 07:48:04,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 07:48:04,726 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230838285] [2021-08-27 07:48:04,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:48:04,726 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 07:48:04,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:04,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-08-27 07:48:04,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:04,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-08-27 07:48:04,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:04,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-08-27 07:48:04,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:04,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-08-27 07:48:04,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:04,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-08-27 07:48:04,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:05,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:48:05,017 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 07:48:05,018 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230838285] [2021-08-27 07:48:05,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230838285] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 07:48:05,019 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:48:05,020 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-08-27 07:48:05,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36880981] [2021-08-27 07:48:05,020 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-08-27 07:48:05,020 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 07:48:05,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-27 07:48:05,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-08-27 07:48:05,021 INFO L87 Difference]: Start difference. First operand 556 states and 706 transitions. Second operand has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 7 states have internal predecessors, (40), 4 states have call successors, (7), 7 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2021-08-27 07:48:07,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:48:07,431 INFO L93 Difference]: Finished difference Result 728 states and 922 transitions. [2021-08-27 07:48:07,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-27 07:48:07,432 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 7 states have internal predecessors, (40), 4 states have call successors, (7), 7 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) Word has length 52 [2021-08-27 07:48:07,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:48:07,434 INFO L225 Difference]: With dead ends: 728 [2021-08-27 07:48:07,434 INFO L226 Difference]: Without dead ends: 728 [2021-08-27 07:48:07,435 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 837.1ms TimeCoverageRelationStatistics Valid=160, Invalid=490, Unknown=0, NotChecked=0, Total=650 [2021-08-27 07:48:07,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2021-08-27 07:48:07,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 585. [2021-08-27 07:48:07,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 585 states, 465 states have (on average 1.270967741935484) internal successors, (591), 478 states have internal predecessors, (591), 65 states have call successors, (65), 44 states have call predecessors, (65), 54 states have return successors, (83), 63 states have call predecessors, (83), 56 states have call successors, (83) [2021-08-27 07:48:07,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 739 transitions. [2021-08-27 07:48:07,447 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 739 transitions. Word has length 52 [2021-08-27 07:48:07,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:48:07,447 INFO L470 AbstractCegarLoop]: Abstraction has 585 states and 739 transitions. [2021-08-27 07:48:07,448 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 7 states have internal predecessors, (40), 4 states have call successors, (7), 7 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2021-08-27 07:48:07,448 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 739 transitions. [2021-08-27 07:48:07,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-08-27 07:48:07,449 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:48:07,449 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:48:07,449 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-08-27 07:48:07,449 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:48:07,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:48:07,450 INFO L82 PathProgramCache]: Analyzing trace with hash -539078543, now seen corresponding path program 1 times [2021-08-27 07:48:07,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 07:48:07,450 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520531750] [2021-08-27 07:48:07,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:48:07,451 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 07:48:07,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:07,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-08-27 07:48:07,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:07,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-08-27 07:48:07,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:07,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-08-27 07:48:07,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:07,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-08-27 07:48:07,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:07,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-08-27 07:48:07,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:07,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:48:07,667 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 07:48:07,667 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520531750] [2021-08-27 07:48:07,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520531750] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 07:48:07,667 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:48:07,667 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-27 07:48:07,667 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743698880] [2021-08-27 07:48:07,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-27 07:48:07,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 07:48:07,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-27 07:48:07,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-27 07:48:07,669 INFO L87 Difference]: Start difference. First operand 585 states and 739 transitions. Second operand has 8 states, 8 states have (on average 5.25) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (7), 7 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2021-08-27 07:48:08,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:48:08,593 INFO L93 Difference]: Finished difference Result 753 states and 952 transitions. [2021-08-27 07:48:08,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-27 07:48:08,593 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (7), 7 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 54 [2021-08-27 07:48:08,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:48:08,596 INFO L225 Difference]: With dead ends: 753 [2021-08-27 07:48:08,597 INFO L226 Difference]: Without dead ends: 753 [2021-08-27 07:48:08,597 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 238.8ms TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-08-27 07:48:08,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2021-08-27 07:48:08,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 660. [2021-08-27 07:48:08,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 660 states, 529 states have (on average 1.2665406427221173) internal successors, (670), 538 states have internal predecessors, (670), 68 states have call successors, (68), 47 states have call predecessors, (68), 62 states have return successors, (98), 75 states have call predecessors, (98), 59 states have call successors, (98) [2021-08-27 07:48:08,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 836 transitions. [2021-08-27 07:48:08,612 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 836 transitions. Word has length 54 [2021-08-27 07:48:08,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:48:08,614 INFO L470 AbstractCegarLoop]: Abstraction has 660 states and 836 transitions. [2021-08-27 07:48:08,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (7), 7 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2021-08-27 07:48:08,614 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 836 transitions. [2021-08-27 07:48:08,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-08-27 07:48:08,615 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:48:08,615 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:48:08,615 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-08-27 07:48:08,616 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:48:08,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:48:08,616 INFO L82 PathProgramCache]: Analyzing trace with hash 905990001, now seen corresponding path program 1 times [2021-08-27 07:48:08,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 07:48:08,616 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181286259] [2021-08-27 07:48:08,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:48:08,617 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 07:48:08,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:08,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-08-27 07:48:08,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:08,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-08-27 07:48:08,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:08,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-08-27 07:48:08,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:08,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-08-27 07:48:08,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:08,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-08-27 07:48:08,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:08,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:48:08,835 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 07:48:08,835 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181286259] [2021-08-27 07:48:08,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181286259] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 07:48:08,836 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:48:08,836 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-27 07:48:08,836 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508163451] [2021-08-27 07:48:08,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-27 07:48:08,838 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 07:48:08,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-27 07:48:08,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-27 07:48:08,838 INFO L87 Difference]: Start difference. First operand 660 states and 836 transitions. Second operand has 8 states, 8 states have (on average 5.25) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (7), 7 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2021-08-27 07:48:09,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:48:09,536 INFO L93 Difference]: Finished difference Result 730 states and 935 transitions. [2021-08-27 07:48:09,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-27 07:48:09,537 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (7), 7 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 54 [2021-08-27 07:48:09,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:48:09,540 INFO L225 Difference]: With dead ends: 730 [2021-08-27 07:48:09,540 INFO L226 Difference]: Without dead ends: 730 [2021-08-27 07:48:09,540 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 237.0ms TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-08-27 07:48:09,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2021-08-27 07:48:09,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 672. [2021-08-27 07:48:09,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 672 states, 541 states have (on average 1.2698706099815158) internal successors, (687), 550 states have internal predecessors, (687), 68 states have call successors, (68), 47 states have call predecessors, (68), 62 states have return successors, (98), 75 states have call predecessors, (98), 59 states have call successors, (98) [2021-08-27 07:48:09,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 853 transitions. [2021-08-27 07:48:09,555 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 853 transitions. Word has length 54 [2021-08-27 07:48:09,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:48:09,556 INFO L470 AbstractCegarLoop]: Abstraction has 672 states and 853 transitions. [2021-08-27 07:48:09,556 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (7), 7 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2021-08-27 07:48:09,556 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 853 transitions. [2021-08-27 07:48:09,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-08-27 07:48:09,557 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:48:09,558 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:48:09,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-08-27 07:48:09,558 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:48:09,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:48:09,558 INFO L82 PathProgramCache]: Analyzing trace with hash -682357901, now seen corresponding path program 1 times [2021-08-27 07:48:09,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 07:48:09,559 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776458351] [2021-08-27 07:48:09,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:48:09,559 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 07:48:09,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:09,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-08-27 07:48:09,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:09,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-08-27 07:48:09,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:09,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-08-27 07:48:09,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:09,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-08-27 07:48:09,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:09,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-08-27 07:48:09,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:09,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:48:09,818 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 07:48:09,818 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776458351] [2021-08-27 07:48:09,818 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776458351] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 07:48:09,818 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:48:09,818 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-08-27 07:48:09,819 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332933857] [2021-08-27 07:48:09,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-08-27 07:48:09,820 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 07:48:09,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-27 07:48:09,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-08-27 07:48:09,821 INFO L87 Difference]: Start difference. First operand 672 states and 853 transitions. Second operand has 12 states, 12 states have (on average 3.5) internal successors, (42), 7 states have internal predecessors, (42), 4 states have call successors, (7), 7 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2021-08-27 07:48:11,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:48:11,076 INFO L93 Difference]: Finished difference Result 633 states and 795 transitions. [2021-08-27 07:48:11,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-27 07:48:11,077 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.5) internal successors, (42), 7 states have internal predecessors, (42), 4 states have call successors, (7), 7 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) Word has length 54 [2021-08-27 07:48:11,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:48:11,079 INFO L225 Difference]: With dead ends: 633 [2021-08-27 07:48:11,079 INFO L226 Difference]: Without dead ends: 633 [2021-08-27 07:48:11,080 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 591.2ms TimeCoverageRelationStatistics Valid=112, Invalid=350, Unknown=0, NotChecked=0, Total=462 [2021-08-27 07:48:11,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2021-08-27 07:48:11,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 592. [2021-08-27 07:48:11,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 592 states, 472 states have (on average 1.2648305084745763) internal successors, (597), 485 states have internal predecessors, (597), 65 states have call successors, (65), 45 states have call predecessors, (65), 54 states have return successors, (85), 62 states have call predecessors, (85), 57 states have call successors, (85) [2021-08-27 07:48:11,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 747 transitions. [2021-08-27 07:48:11,092 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 747 transitions. Word has length 54 [2021-08-27 07:48:11,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:48:11,092 INFO L470 AbstractCegarLoop]: Abstraction has 592 states and 747 transitions. [2021-08-27 07:48:11,092 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.5) internal successors, (42), 7 states have internal predecessors, (42), 4 states have call successors, (7), 7 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2021-08-27 07:48:11,095 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 747 transitions. [2021-08-27 07:48:11,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-08-27 07:48:11,096 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:48:11,096 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:48:11,096 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-08-27 07:48:11,097 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:48:11,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:48:11,097 INFO L82 PathProgramCache]: Analyzing trace with hash -210511565, now seen corresponding path program 1 times [2021-08-27 07:48:11,097 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 07:48:11,097 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822789667] [2021-08-27 07:48:11,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:48:11,098 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 07:48:11,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:11,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-08-27 07:48:11,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:11,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-08-27 07:48:11,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:11,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-08-27 07:48:11,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:11,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-08-27 07:48:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:11,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-08-27 07:48:11,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:11,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-08-27 07:48:11,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:11,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:48:11,406 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 07:48:11,406 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822789667] [2021-08-27 07:48:11,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822789667] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 07:48:11,407 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:48:11,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-08-27 07:48:11,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579129871] [2021-08-27 07:48:11,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-27 07:48:11,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 07:48:11,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-27 07:48:11,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-08-27 07:48:11,408 INFO L87 Difference]: Start difference. First operand 592 states and 747 transitions. Second operand has 10 states, 10 states have (on average 4.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (10), 7 states have call predecessors, (10), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) [2021-08-27 07:48:12,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:48:12,221 INFO L93 Difference]: Finished difference Result 556 states and 690 transitions. [2021-08-27 07:48:12,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-27 07:48:12,222 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (10), 7 states have call predecessors, (10), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) Word has length 61 [2021-08-27 07:48:12,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:48:12,224 INFO L225 Difference]: With dead ends: 556 [2021-08-27 07:48:12,224 INFO L226 Difference]: Without dead ends: 556 [2021-08-27 07:48:12,224 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 165.9ms TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-08-27 07:48:12,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2021-08-27 07:48:12,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 518. [2021-08-27 07:48:12,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 518 states, 409 states have (on average 1.2469437652811737) internal successors, (510), 418 states have internal predecessors, (510), 61 states have call successors, (61), 43 states have call predecessors, (61), 47 states have return successors, (70), 57 states have call predecessors, (70), 54 states have call successors, (70) [2021-08-27 07:48:12,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 641 transitions. [2021-08-27 07:48:12,234 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 641 transitions. Word has length 61 [2021-08-27 07:48:12,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:48:12,235 INFO L470 AbstractCegarLoop]: Abstraction has 518 states and 641 transitions. [2021-08-27 07:48:12,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (10), 7 states have call predecessors, (10), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) [2021-08-27 07:48:12,235 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 641 transitions. [2021-08-27 07:48:12,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-08-27 07:48:12,236 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:48:12,236 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:48:12,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-08-27 07:48:12,237 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:48:12,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:48:12,237 INFO L82 PathProgramCache]: Analyzing trace with hash 921268203, now seen corresponding path program 1 times [2021-08-27 07:48:12,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 07:48:12,237 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981150471] [2021-08-27 07:48:12,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:48:12,238 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 07:48:12,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:12,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-08-27 07:48:12,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:12,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-08-27 07:48:12,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:12,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-08-27 07:48:12,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:12,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-08-27 07:48:12,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:12,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-08-27 07:48:12,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:12,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:48:12,530 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 07:48:12,530 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981150471] [2021-08-27 07:48:12,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981150471] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 07:48:12,530 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:48:12,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-08-27 07:48:12,531 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300344961] [2021-08-27 07:48:12,531 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-08-27 07:48:12,532 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 07:48:12,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-27 07:48:12,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-08-27 07:48:12,533 INFO L87 Difference]: Start difference. First operand 518 states and 641 transitions. Second operand has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2021-08-27 07:48:13,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:48:13,605 INFO L93 Difference]: Finished difference Result 580 states and 722 transitions. [2021-08-27 07:48:13,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-27 07:48:13,605 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) Word has length 55 [2021-08-27 07:48:13,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:48:13,607 INFO L225 Difference]: With dead ends: 580 [2021-08-27 07:48:13,608 INFO L226 Difference]: Without dead ends: 579 [2021-08-27 07:48:13,608 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 306.1ms TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2021-08-27 07:48:13,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2021-08-27 07:48:13,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 535. [2021-08-27 07:48:13,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 424 states have (on average 1.2382075471698113) internal successors, (525), 433 states have internal predecessors, (525), 61 states have call successors, (61), 43 states have call predecessors, (61), 49 states have return successors, (77), 59 states have call predecessors, (77), 54 states have call successors, (77) [2021-08-27 07:48:13,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 663 transitions. [2021-08-27 07:48:13,619 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 663 transitions. Word has length 55 [2021-08-27 07:48:13,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:48:13,619 INFO L470 AbstractCegarLoop]: Abstraction has 535 states and 663 transitions. [2021-08-27 07:48:13,619 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2021-08-27 07:48:13,619 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 663 transitions. [2021-08-27 07:48:13,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-08-27 07:48:13,620 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:48:13,621 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:48:13,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-08-27 07:48:13,621 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:48:13,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:48:13,621 INFO L82 PathProgramCache]: Analyzing trace with hash 921545033, now seen corresponding path program 1 times [2021-08-27 07:48:13,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 07:48:13,622 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4254011] [2021-08-27 07:48:13,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:48:13,622 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 07:48:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:13,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-08-27 07:48:13,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:13,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-08-27 07:48:13,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:13,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-08-27 07:48:13,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:13,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-08-27 07:48:13,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:13,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-08-27 07:48:13,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:13,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:48:13,884 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 07:48:13,884 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4254011] [2021-08-27 07:48:13,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4254011] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 07:48:13,885 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:48:13,885 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-08-27 07:48:13,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264572417] [2021-08-27 07:48:13,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-08-27 07:48:13,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 07:48:13,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-27 07:48:13,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-08-27 07:48:13,887 INFO L87 Difference]: Start difference. First operand 535 states and 663 transitions. Second operand has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2021-08-27 07:48:15,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:48:15,256 INFO L93 Difference]: Finished difference Result 575 states and 710 transitions. [2021-08-27 07:48:15,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-27 07:48:15,258 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) Word has length 55 [2021-08-27 07:48:15,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:48:15,260 INFO L225 Difference]: With dead ends: 575 [2021-08-27 07:48:15,261 INFO L226 Difference]: Without dead ends: 563 [2021-08-27 07:48:15,261 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 191.7ms TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-08-27 07:48:15,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2021-08-27 07:48:15,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 532. [2021-08-27 07:48:15,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 532 states, 421 states have (on average 1.2399049881235154) internal successors, (522), 431 states have internal predecessors, (522), 61 states have call successors, (61), 43 states have call predecessors, (61), 49 states have return successors, (76), 58 states have call predecessors, (76), 54 states have call successors, (76) [2021-08-27 07:48:15,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 659 transitions. [2021-08-27 07:48:15,274 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 659 transitions. Word has length 55 [2021-08-27 07:48:15,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:48:15,274 INFO L470 AbstractCegarLoop]: Abstraction has 532 states and 659 transitions. [2021-08-27 07:48:15,275 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2021-08-27 07:48:15,275 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 659 transitions. [2021-08-27 07:48:15,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-08-27 07:48:15,277 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:48:15,277 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:48:15,277 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-08-27 07:48:15,277 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:48:15,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:48:15,278 INFO L82 PathProgramCache]: Analyzing trace with hash 1859523861, now seen corresponding path program 1 times [2021-08-27 07:48:15,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 07:48:15,278 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480480456] [2021-08-27 07:48:15,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:48:15,278 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 07:48:15,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:15,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-08-27 07:48:15,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:15,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-08-27 07:48:15,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:15,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-08-27 07:48:15,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:15,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-08-27 07:48:15,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:15,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-08-27 07:48:15,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:15,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-08-27 07:48:15,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:15,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:48:15,538 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 07:48:15,538 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480480456] [2021-08-27 07:48:15,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480480456] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 07:48:15,539 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:48:15,539 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-08-27 07:48:15,540 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942533032] [2021-08-27 07:48:15,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-08-27 07:48:15,540 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 07:48:15,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-27 07:48:15,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-08-27 07:48:15,541 INFO L87 Difference]: Start difference. First operand 532 states and 659 transitions. Second operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (8), 8 states have call predecessors, (8), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2021-08-27 07:48:16,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:48:16,794 INFO L93 Difference]: Finished difference Result 577 states and 711 transitions. [2021-08-27 07:48:16,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-27 07:48:16,794 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (8), 8 states have call predecessors, (8), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 57 [2021-08-27 07:48:16,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:48:16,796 INFO L225 Difference]: With dead ends: 577 [2021-08-27 07:48:16,796 INFO L226 Difference]: Without dead ends: 552 [2021-08-27 07:48:16,797 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 239.0ms TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2021-08-27 07:48:16,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2021-08-27 07:48:16,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 523. [2021-08-27 07:48:16,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 415 states have (on average 1.236144578313253) internal successors, (513), 424 states have internal predecessors, (513), 60 states have call successors, (60), 42 states have call predecessors, (60), 47 states have return successors, (74), 57 states have call predecessors, (74), 53 states have call successors, (74) [2021-08-27 07:48:16,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 647 transitions. [2021-08-27 07:48:16,806 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 647 transitions. Word has length 57 [2021-08-27 07:48:16,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:48:16,807 INFO L470 AbstractCegarLoop]: Abstraction has 523 states and 647 transitions. [2021-08-27 07:48:16,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (8), 8 states have call predecessors, (8), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2021-08-27 07:48:16,807 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 647 transitions. [2021-08-27 07:48:16,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-08-27 07:48:16,808 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:48:16,808 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:48:16,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-08-27 07:48:16,808 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:48:16,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:48:16,809 INFO L82 PathProgramCache]: Analyzing trace with hash -171418186, now seen corresponding path program 1 times [2021-08-27 07:48:16,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 07:48:16,809 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124664211] [2021-08-27 07:48:16,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:48:16,809 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 07:48:16,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:16,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-08-27 07:48:16,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:16,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-08-27 07:48:16,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:16,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-08-27 07:48:16,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:17,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-08-27 07:48:17,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:17,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-08-27 07:48:17,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:17,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:48:17,060 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 07:48:17,061 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124664211] [2021-08-27 07:48:17,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124664211] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 07:48:17,061 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:48:17,061 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-08-27 07:48:17,061 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097550909] [2021-08-27 07:48:17,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-27 07:48:17,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 07:48:17,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-27 07:48:17,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-08-27 07:48:17,062 INFO L87 Difference]: Start difference. First operand 523 states and 647 transitions. Second operand has 10 states, 10 states have (on average 4.4) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2021-08-27 07:48:18,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:48:18,526 INFO L93 Difference]: Finished difference Result 556 states and 684 transitions. [2021-08-27 07:48:18,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-27 07:48:18,527 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) Word has length 56 [2021-08-27 07:48:18,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:48:18,529 INFO L225 Difference]: With dead ends: 556 [2021-08-27 07:48:18,529 INFO L226 Difference]: Without dead ends: 542 [2021-08-27 07:48:18,529 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 610.4ms TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2021-08-27 07:48:18,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2021-08-27 07:48:18,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 505. [2021-08-27 07:48:18,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 400 states have (on average 1.24) internal successors, (496), 408 states have internal predecessors, (496), 59 states have call successors, (59), 42 states have call predecessors, (59), 45 states have return successors, (67), 55 states have call predecessors, (67), 52 states have call successors, (67) [2021-08-27 07:48:18,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 622 transitions. [2021-08-27 07:48:18,540 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 622 transitions. Word has length 56 [2021-08-27 07:48:18,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:48:18,540 INFO L470 AbstractCegarLoop]: Abstraction has 505 states and 622 transitions. [2021-08-27 07:48:18,540 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2021-08-27 07:48:18,541 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 622 transitions. [2021-08-27 07:48:18,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-08-27 07:48:18,542 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:48:18,542 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:48:18,542 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-08-27 07:48:18,542 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:48:18,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:48:18,542 INFO L82 PathProgramCache]: Analyzing trace with hash 196319194, now seen corresponding path program 1 times [2021-08-27 07:48:18,543 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 07:48:18,543 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720798181] [2021-08-27 07:48:18,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:48:18,543 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 07:48:18,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:18,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-08-27 07:48:18,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:18,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-08-27 07:48:18,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:18,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-08-27 07:48:18,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:18,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-08-27 07:48:18,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:18,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-08-27 07:48:18,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:18,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-08-27 07:48:18,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:18,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-08-27 07:48:18,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:18,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:48:18,815 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 07:48:18,815 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720798181] [2021-08-27 07:48:18,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720798181] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 07:48:18,815 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:48:18,815 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-08-27 07:48:18,815 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552440239] [2021-08-27 07:48:18,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-08-27 07:48:18,816 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 07:48:18,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-27 07:48:18,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-08-27 07:48:18,816 INFO L87 Difference]: Start difference. First operand 505 states and 622 transitions. Second operand has 12 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 6 states have internal predecessors, (47), 3 states have call successors, (11), 9 states have call predecessors, (11), 4 states have return successors, (7), 4 states have call predecessors, (7), 2 states have call successors, (7) [2021-08-27 07:48:20,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:48:20,192 INFO L93 Difference]: Finished difference Result 538 states and 663 transitions. [2021-08-27 07:48:20,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-27 07:48:20,193 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 6 states have internal predecessors, (47), 3 states have call successors, (11), 9 states have call predecessors, (11), 4 states have return successors, (7), 4 states have call predecessors, (7), 2 states have call successors, (7) Word has length 65 [2021-08-27 07:48:20,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:48:20,195 INFO L225 Difference]: With dead ends: 538 [2021-08-27 07:48:20,195 INFO L226 Difference]: Without dead ends: 538 [2021-08-27 07:48:20,197 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 461.6ms TimeCoverageRelationStatistics Valid=106, Invalid=314, Unknown=0, NotChecked=0, Total=420 [2021-08-27 07:48:20,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2021-08-27 07:48:20,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 505. [2021-08-27 07:48:20,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 400 states have (on average 1.235) internal successors, (494), 408 states have internal predecessors, (494), 59 states have call successors, (59), 42 states have call predecessors, (59), 45 states have return successors, (67), 55 states have call predecessors, (67), 52 states have call successors, (67) [2021-08-27 07:48:20,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 620 transitions. [2021-08-27 07:48:20,206 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 620 transitions. Word has length 65 [2021-08-27 07:48:20,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:48:20,206 INFO L470 AbstractCegarLoop]: Abstraction has 505 states and 620 transitions. [2021-08-27 07:48:20,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 6 states have internal predecessors, (47), 3 states have call successors, (11), 9 states have call predecessors, (11), 4 states have return successors, (7), 4 states have call predecessors, (7), 2 states have call successors, (7) [2021-08-27 07:48:20,207 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 620 transitions. [2021-08-27 07:48:20,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-08-27 07:48:20,207 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:48:20,208 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:48:20,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-08-27 07:48:20,208 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:48:20,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:48:20,208 INFO L82 PathProgramCache]: Analyzing trace with hash -828158382, now seen corresponding path program 1 times [2021-08-27 07:48:20,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 07:48:20,208 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409102634] [2021-08-27 07:48:20,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:48:20,209 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 07:48:20,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:20,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-08-27 07:48:20,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:20,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-08-27 07:48:20,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:20,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-08-27 07:48:20,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:20,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-08-27 07:48:20,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:20,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-08-27 07:48:20,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:20,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-08-27 07:48:20,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:20,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:48:20,458 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 07:48:20,458 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409102634] [2021-08-27 07:48:20,458 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409102634] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 07:48:20,458 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:48:20,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-08-27 07:48:20,459 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941099903] [2021-08-27 07:48:20,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-27 07:48:20,459 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 07:48:20,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-27 07:48:20,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-08-27 07:48:20,460 INFO L87 Difference]: Start difference. First operand 505 states and 620 transitions. Second operand has 9 states, 9 states have (on average 5.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (8), 8 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-08-27 07:48:21,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:48:21,366 INFO L93 Difference]: Finished difference Result 534 states and 650 transitions. [2021-08-27 07:48:21,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-27 07:48:21,366 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (8), 8 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 59 [2021-08-27 07:48:21,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:48:21,368 INFO L225 Difference]: With dead ends: 534 [2021-08-27 07:48:21,368 INFO L226 Difference]: Without dead ends: 534 [2021-08-27 07:48:21,368 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 275.2ms TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2021-08-27 07:48:21,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2021-08-27 07:48:21,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 504. [2021-08-27 07:48:21,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 504 states, 399 states have (on average 1.2230576441102756) internal successors, (488), 407 states have internal predecessors, (488), 59 states have call successors, (59), 42 states have call predecessors, (59), 45 states have return successors, (67), 55 states have call predecessors, (67), 52 states have call successors, (67) [2021-08-27 07:48:21,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 614 transitions. [2021-08-27 07:48:21,376 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 614 transitions. Word has length 59 [2021-08-27 07:48:21,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:48:21,377 INFO L470 AbstractCegarLoop]: Abstraction has 504 states and 614 transitions. [2021-08-27 07:48:21,377 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (8), 8 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-08-27 07:48:21,377 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 614 transitions. [2021-08-27 07:48:21,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-08-27 07:48:21,378 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:48:21,378 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:48:21,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-08-27 07:48:21,378 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:48:21,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:48:21,378 INFO L82 PathProgramCache]: Analyzing trace with hash 1679156148, now seen corresponding path program 1 times [2021-08-27 07:48:21,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 07:48:21,378 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351810525] [2021-08-27 07:48:21,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:48:21,379 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 07:48:21,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:21,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-08-27 07:48:21,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:21,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-08-27 07:48:21,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:21,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-08-27 07:48:21,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:21,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-08-27 07:48:21,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:21,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-08-27 07:48:21,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:21,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-08-27 07:48:21,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:21,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:48:21,640 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 07:48:21,640 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351810525] [2021-08-27 07:48:21,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351810525] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 07:48:21,640 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:48:21,640 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-08-27 07:48:21,640 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670136869] [2021-08-27 07:48:21,641 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-08-27 07:48:21,641 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 07:48:21,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-27 07:48:21,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-08-27 07:48:21,641 INFO L87 Difference]: Start difference. First operand 504 states and 614 transitions. Second operand has 11 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (8), 8 states have call predecessors, (8), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2021-08-27 07:48:23,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:48:23,215 INFO L93 Difference]: Finished difference Result 758 states and 898 transitions. [2021-08-27 07:48:23,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-27 07:48:23,215 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (8), 8 states have call predecessors, (8), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 61 [2021-08-27 07:48:23,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:48:23,217 INFO L225 Difference]: With dead ends: 758 [2021-08-27 07:48:23,217 INFO L226 Difference]: Without dead ends: 758 [2021-08-27 07:48:23,218 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 504.3ms TimeCoverageRelationStatistics Valid=116, Invalid=346, Unknown=0, NotChecked=0, Total=462 [2021-08-27 07:48:23,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2021-08-27 07:48:23,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 616. [2021-08-27 07:48:23,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 616 states, 493 states have (on average 1.208924949290061) internal successors, (596), 501 states have internal predecessors, (596), 67 states have call successors, (67), 50 states have call predecessors, (67), 55 states have return successors, (77), 65 states have call predecessors, (77), 60 states have call successors, (77) [2021-08-27 07:48:23,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 740 transitions. [2021-08-27 07:48:23,228 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 740 transitions. Word has length 61 [2021-08-27 07:48:23,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:48:23,228 INFO L470 AbstractCegarLoop]: Abstraction has 616 states and 740 transitions. [2021-08-27 07:48:23,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (8), 8 states have call predecessors, (8), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2021-08-27 07:48:23,228 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 740 transitions. [2021-08-27 07:48:23,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-08-27 07:48:23,229 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:48:23,229 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:48:23,229 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-08-27 07:48:23,230 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:48:23,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:48:23,230 INFO L82 PathProgramCache]: Analyzing trace with hash -621666442, now seen corresponding path program 1 times [2021-08-27 07:48:23,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 07:48:23,230 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577433446] [2021-08-27 07:48:23,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:48:23,230 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 07:48:23,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:23,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-08-27 07:48:23,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:23,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-08-27 07:48:23,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:23,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-08-27 07:48:23,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:23,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-08-27 07:48:23,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:23,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-08-27 07:48:23,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:23,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-08-27 07:48:23,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:23,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:48:23,478 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 07:48:23,479 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577433446] [2021-08-27 07:48:23,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577433446] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 07:48:23,479 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:48:23,479 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-08-27 07:48:23,479 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347001804] [2021-08-27 07:48:23,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-08-27 07:48:23,481 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 07:48:23,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-27 07:48:23,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-08-27 07:48:23,481 INFO L87 Difference]: Start difference. First operand 616 states and 740 transitions. Second operand has 11 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (8), 8 states have call predecessors, (8), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2021-08-27 07:48:24,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:48:24,507 INFO L93 Difference]: Finished difference Result 641 states and 773 transitions. [2021-08-27 07:48:24,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-27 07:48:24,508 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (8), 8 states have call predecessors, (8), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 61 [2021-08-27 07:48:24,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:48:24,510 INFO L225 Difference]: With dead ends: 641 [2021-08-27 07:48:24,510 INFO L226 Difference]: Without dead ends: 641 [2021-08-27 07:48:24,510 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 234.3ms TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2021-08-27 07:48:24,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2021-08-27 07:48:24,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 589. [2021-08-27 07:48:24,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 589 states, 471 states have (on average 1.2123142250530785) internal successors, (571), 479 states have internal predecessors, (571), 65 states have call successors, (65), 48 states have call predecessors, (65), 52 states have return successors, (74), 62 states have call predecessors, (74), 58 states have call successors, (74) [2021-08-27 07:48:24,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 710 transitions. [2021-08-27 07:48:24,521 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 710 transitions. Word has length 61 [2021-08-27 07:48:24,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:48:24,521 INFO L470 AbstractCegarLoop]: Abstraction has 589 states and 710 transitions. [2021-08-27 07:48:24,521 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (8), 8 states have call predecessors, (8), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2021-08-27 07:48:24,521 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 710 transitions. [2021-08-27 07:48:24,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-08-27 07:48:24,522 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:48:24,523 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:48:24,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-08-27 07:48:24,523 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:48:24,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:48:24,524 INFO L82 PathProgramCache]: Analyzing trace with hash -495774537, now seen corresponding path program 1 times [2021-08-27 07:48:24,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 07:48:24,524 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646946506] [2021-08-27 07:48:24,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:48:24,524 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 07:48:24,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:24,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-08-27 07:48:24,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:24,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-08-27 07:48:24,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:24,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-08-27 07:48:24,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:24,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-08-27 07:48:24,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:24,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-08-27 07:48:24,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:24,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:48:24,799 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 07:48:24,799 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646946506] [2021-08-27 07:48:24,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646946506] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 07:48:24,799 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:48:24,799 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-08-27 07:48:24,799 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42604645] [2021-08-27 07:48:24,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-08-27 07:48:24,800 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 07:48:24,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-08-27 07:48:24,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-08-27 07:48:24,801 INFO L87 Difference]: Start difference. First operand 589 states and 710 transitions. Second operand has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2021-08-27 07:48:26,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:48:26,271 INFO L93 Difference]: Finished difference Result 650 states and 781 transitions. [2021-08-27 07:48:26,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-27 07:48:26,271 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) Word has length 60 [2021-08-27 07:48:26,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:48:26,273 INFO L225 Difference]: With dead ends: 650 [2021-08-27 07:48:26,273 INFO L226 Difference]: Without dead ends: 632 [2021-08-27 07:48:26,273 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 238.7ms TimeCoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2021-08-27 07:48:26,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2021-08-27 07:48:26,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 585. [2021-08-27 07:48:26,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 585 states, 468 states have (on average 1.2115384615384615) internal successors, (567), 476 states have internal predecessors, (567), 64 states have call successors, (64), 48 states have call predecessors, (64), 52 states have return successors, (73), 61 states have call predecessors, (73), 57 states have call successors, (73) [2021-08-27 07:48:26,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 704 transitions. [2021-08-27 07:48:26,284 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 704 transitions. Word has length 60 [2021-08-27 07:48:26,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:48:26,284 INFO L470 AbstractCegarLoop]: Abstraction has 585 states and 704 transitions. [2021-08-27 07:48:26,285 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2021-08-27 07:48:26,285 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 704 transitions. [2021-08-27 07:48:26,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-08-27 07:48:26,286 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:48:26,286 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:48:26,286 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-08-27 07:48:26,287 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:48:26,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:48:26,287 INFO L82 PathProgramCache]: Analyzing trace with hash -518955678, now seen corresponding path program 1 times [2021-08-27 07:48:26,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 07:48:26,287 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010260057] [2021-08-27 07:48:26,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:48:26,288 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 07:48:26,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:26,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-08-27 07:48:26,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:26,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-08-27 07:48:26,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:26,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-08-27 07:48:26,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:26,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-08-27 07:48:26,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:26,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-08-27 07:48:26,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:26,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-08-27 07:48:26,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:26,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-08-27 07:48:26,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:26,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:48:26,551 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 07:48:26,552 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010260057] [2021-08-27 07:48:26,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010260057] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 07:48:26,552 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:48:26,552 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-08-27 07:48:26,552 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216489158] [2021-08-27 07:48:26,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-08-27 07:48:26,553 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 07:48:26,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-27 07:48:26,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-08-27 07:48:26,553 INFO L87 Difference]: Start difference. First operand 585 states and 704 transitions. Second operand has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (11), 8 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2021-08-27 07:48:27,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:48:27,792 INFO L93 Difference]: Finished difference Result 669 states and 804 transitions. [2021-08-27 07:48:27,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-27 07:48:27,793 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (11), 8 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) Word has length 68 [2021-08-27 07:48:27,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:48:27,794 INFO L225 Difference]: With dead ends: 669 [2021-08-27 07:48:27,794 INFO L226 Difference]: Without dead ends: 669 [2021-08-27 07:48:27,795 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 314.4ms TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2021-08-27 07:48:27,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2021-08-27 07:48:27,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 585. [2021-08-27 07:48:27,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 585 states, 468 states have (on average 1.2072649572649572) internal successors, (565), 476 states have internal predecessors, (565), 64 states have call successors, (64), 48 states have call predecessors, (64), 52 states have return successors, (73), 61 states have call predecessors, (73), 57 states have call successors, (73) [2021-08-27 07:48:27,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 702 transitions. [2021-08-27 07:48:27,805 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 702 transitions. Word has length 68 [2021-08-27 07:48:27,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:48:27,805 INFO L470 AbstractCegarLoop]: Abstraction has 585 states and 702 transitions. [2021-08-27 07:48:27,805 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (11), 8 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2021-08-27 07:48:27,806 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 702 transitions. [2021-08-27 07:48:27,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-08-27 07:48:27,807 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:48:27,807 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:48:27,807 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-08-27 07:48:27,807 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:48:27,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:48:27,808 INFO L82 PathProgramCache]: Analyzing trace with hash -908431933, now seen corresponding path program 1 times [2021-08-27 07:48:27,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 07:48:27,808 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453781186] [2021-08-27 07:48:27,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:48:27,808 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 07:48:27,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:27,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-08-27 07:48:27,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:27,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-08-27 07:48:27,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:28,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-08-27 07:48:28,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:28,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-08-27 07:48:28,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:28,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-08-27 07:48:28,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:28,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:48:28,103 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 07:48:28,103 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453781186] [2021-08-27 07:48:28,103 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453781186] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 07:48:28,103 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:48:28,103 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-08-27 07:48:28,104 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050375297] [2021-08-27 07:48:28,105 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-08-27 07:48:28,105 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 07:48:28,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-08-27 07:48:28,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-08-27 07:48:28,105 INFO L87 Difference]: Start difference. First operand 585 states and 702 transitions. Second operand has 14 states, 14 states have (on average 3.5) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2021-08-27 07:48:29,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:48:29,197 INFO L93 Difference]: Finished difference Result 646 states and 773 transitions. [2021-08-27 07:48:29,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-27 07:48:29,198 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.5) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) Word has length 61 [2021-08-27 07:48:29,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:48:29,199 INFO L225 Difference]: With dead ends: 646 [2021-08-27 07:48:29,199 INFO L226 Difference]: Without dead ends: 627 [2021-08-27 07:48:29,199 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 223.5ms TimeCoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2021-08-27 07:48:29,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2021-08-27 07:48:29,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 580. [2021-08-27 07:48:29,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 580 states, 464 states have (on average 1.206896551724138) internal successors, (560), 472 states have internal predecessors, (560), 63 states have call successors, (63), 48 states have call predecessors, (63), 52 states have return successors, (72), 60 states have call predecessors, (72), 56 states have call successors, (72) [2021-08-27 07:48:29,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 695 transitions. [2021-08-27 07:48:29,209 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 695 transitions. Word has length 61 [2021-08-27 07:48:29,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:48:29,209 INFO L470 AbstractCegarLoop]: Abstraction has 580 states and 695 transitions. [2021-08-27 07:48:29,210 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.5) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2021-08-27 07:48:29,210 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 695 transitions. [2021-08-27 07:48:29,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-08-27 07:48:29,211 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:48:29,211 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:48:29,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-08-27 07:48:29,211 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:48:29,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:48:29,212 INFO L82 PathProgramCache]: Analyzing trace with hash -1838543403, now seen corresponding path program 1 times [2021-08-27 07:48:29,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 07:48:29,212 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387218194] [2021-08-27 07:48:29,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:48:29,212 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 07:48:29,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:29,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-08-27 07:48:29,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:29,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-08-27 07:48:29,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:29,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-08-27 07:48:29,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:29,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-08-27 07:48:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:29,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-08-27 07:48:29,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:29,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:48:29,495 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 07:48:29,495 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387218194] [2021-08-27 07:48:29,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387218194] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 07:48:29,495 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:48:29,495 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-08-27 07:48:29,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073636533] [2021-08-27 07:48:29,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-08-27 07:48:29,496 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 07:48:29,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-08-27 07:48:29,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-08-27 07:48:29,497 INFO L87 Difference]: Start difference. First operand 580 states and 695 transitions. Second operand has 14 states, 14 states have (on average 3.5) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2021-08-27 07:48:30,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:48:30,692 INFO L93 Difference]: Finished difference Result 641 states and 766 transitions. [2021-08-27 07:48:30,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-27 07:48:30,693 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.5) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) Word has length 61 [2021-08-27 07:48:30,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:48:30,695 INFO L225 Difference]: With dead ends: 641 [2021-08-27 07:48:30,695 INFO L226 Difference]: Without dead ends: 623 [2021-08-27 07:48:30,695 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 211.8ms TimeCoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2021-08-27 07:48:30,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2021-08-27 07:48:30,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 576. [2021-08-27 07:48:30,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 461 states have (on average 1.2060737527114966) internal successors, (556), 469 states have internal predecessors, (556), 62 states have call successors, (62), 48 states have call predecessors, (62), 52 states have return successors, (71), 59 states have call predecessors, (71), 55 states have call successors, (71) [2021-08-27 07:48:30,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 689 transitions. [2021-08-27 07:48:30,703 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 689 transitions. Word has length 61 [2021-08-27 07:48:30,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:48:30,704 INFO L470 AbstractCegarLoop]: Abstraction has 576 states and 689 transitions. [2021-08-27 07:48:30,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.5) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2021-08-27 07:48:30,704 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 689 transitions. [2021-08-27 07:48:30,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-08-27 07:48:30,705 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:48:30,705 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:48:30,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-08-27 07:48:30,706 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:48:30,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:48:30,706 INFO L82 PathProgramCache]: Analyzing trace with hash 252983849, now seen corresponding path program 1 times [2021-08-27 07:48:30,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 07:48:30,706 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151848753] [2021-08-27 07:48:30,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:48:30,707 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 07:48:30,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:30,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-08-27 07:48:30,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:30,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-08-27 07:48:30,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:30,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-08-27 07:48:30,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:30,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-08-27 07:48:30,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:30,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-08-27 07:48:30,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:30,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-08-27 07:48:30,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:30,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-08-27 07:48:30,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:30,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:48:30,935 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 07:48:30,935 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151848753] [2021-08-27 07:48:30,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151848753] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 07:48:30,935 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:48:30,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-08-27 07:48:30,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527833722] [2021-08-27 07:48:30,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-27 07:48:30,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 07:48:30,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-27 07:48:30,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-08-27 07:48:30,937 INFO L87 Difference]: Start difference. First operand 576 states and 689 transitions. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (12), 9 states have call predecessors, (12), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-08-27 07:48:31,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:48:31,690 INFO L93 Difference]: Finished difference Result 767 states and 918 transitions. [2021-08-27 07:48:31,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-27 07:48:31,690 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (12), 9 states have call predecessors, (12), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 67 [2021-08-27 07:48:31,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:48:31,692 INFO L225 Difference]: With dead ends: 767 [2021-08-27 07:48:31,692 INFO L226 Difference]: Without dead ends: 767 [2021-08-27 07:48:31,692 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 253.7ms TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2021-08-27 07:48:31,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2021-08-27 07:48:31,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 697. [2021-08-27 07:48:31,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 697 states, 554 states have (on average 1.2021660649819494) internal successors, (666), 564 states have internal predecessors, (666), 75 states have call successors, (75), 58 states have call predecessors, (75), 67 states have return successors, (96), 75 states have call predecessors, (96), 69 states have call successors, (96) [2021-08-27 07:48:31,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 837 transitions. [2021-08-27 07:48:31,703 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 837 transitions. Word has length 67 [2021-08-27 07:48:31,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:48:31,703 INFO L470 AbstractCegarLoop]: Abstraction has 697 states and 837 transitions. [2021-08-27 07:48:31,703 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (12), 9 states have call predecessors, (12), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-08-27 07:48:31,704 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 837 transitions. [2021-08-27 07:48:31,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-08-27 07:48:31,705 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:48:31,705 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:48:31,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-08-27 07:48:31,705 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:48:31,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:48:31,706 INFO L82 PathProgramCache]: Analyzing trace with hash 694916100, now seen corresponding path program 1 times [2021-08-27 07:48:31,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 07:48:31,706 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116496502] [2021-08-27 07:48:31,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:48:31,706 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 07:48:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:31,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-08-27 07:48:31,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:31,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-08-27 07:48:31,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:31,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-08-27 07:48:31,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:31,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-08-27 07:48:31,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:31,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-08-27 07:48:31,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:31,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:48:31,964 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 07:48:31,964 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116496502] [2021-08-27 07:48:31,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116496502] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 07:48:31,965 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:48:31,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-08-27 07:48:31,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672881100] [2021-08-27 07:48:31,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-08-27 07:48:31,965 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 07:48:31,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-08-27 07:48:31,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-08-27 07:48:31,966 INFO L87 Difference]: Start difference. First operand 697 states and 837 transitions. Second operand has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2021-08-27 07:48:33,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:48:33,191 INFO L93 Difference]: Finished difference Result 758 states and 909 transitions. [2021-08-27 07:48:33,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-27 07:48:33,192 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) Word has length 65 [2021-08-27 07:48:33,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:48:33,194 INFO L225 Difference]: With dead ends: 758 [2021-08-27 07:48:33,194 INFO L226 Difference]: Without dead ends: 718 [2021-08-27 07:48:33,194 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 211.1ms TimeCoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2021-08-27 07:48:33,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2021-08-27 07:48:33,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 671. [2021-08-27 07:48:33,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 671 states, 533 states have (on average 1.200750469043152) internal successors, (640), 543 states have internal predecessors, (640), 72 states have call successors, (72), 56 states have call predecessors, (72), 65 states have return successors, (93), 72 states have call predecessors, (93), 66 states have call successors, (93) [2021-08-27 07:48:33,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 805 transitions. [2021-08-27 07:48:33,204 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 805 transitions. Word has length 65 [2021-08-27 07:48:33,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:48:33,205 INFO L470 AbstractCegarLoop]: Abstraction has 671 states and 805 transitions. [2021-08-27 07:48:33,205 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2021-08-27 07:48:33,205 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 805 transitions. [2021-08-27 07:48:33,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-08-27 07:48:33,206 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:48:33,207 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:48:33,207 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-08-27 07:48:33,207 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:48:33,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:48:33,207 INFO L82 PathProgramCache]: Analyzing trace with hash 989713954, now seen corresponding path program 1 times [2021-08-27 07:48:33,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 07:48:33,208 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642301071] [2021-08-27 07:48:33,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:48:33,208 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 07:48:33,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:33,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-08-27 07:48:33,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:33,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-08-27 07:48:33,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:33,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-08-27 07:48:33,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:33,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-08-27 07:48:33,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:33,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-08-27 07:48:33,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:33,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-08-27 07:48:33,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:33,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-08-27 07:48:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:33,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-08-27 07:48:33,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:33,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:48:33,519 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 07:48:33,519 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642301071] [2021-08-27 07:48:33,519 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642301071] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 07:48:33,519 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:48:33,519 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-08-27 07:48:33,520 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876678487] [2021-08-27 07:48:33,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-08-27 07:48:33,520 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 07:48:33,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-27 07:48:33,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-08-27 07:48:33,521 INFO L87 Difference]: Start difference. First operand 671 states and 805 transitions. Second operand has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 6 states have internal predecessors, (59), 4 states have call successors, (12), 10 states have call predecessors, (12), 4 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2021-08-27 07:48:34,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:48:34,863 INFO L93 Difference]: Finished difference Result 706 states and 841 transitions. [2021-08-27 07:48:34,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-27 07:48:34,864 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 6 states have internal predecessors, (59), 4 states have call successors, (12), 10 states have call predecessors, (12), 4 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) Word has length 79 [2021-08-27 07:48:34,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:48:34,866 INFO L225 Difference]: With dead ends: 706 [2021-08-27 07:48:34,867 INFO L226 Difference]: Without dead ends: 706 [2021-08-27 07:48:34,867 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 702.6ms TimeCoverageRelationStatistics Valid=204, Invalid=498, Unknown=0, NotChecked=0, Total=702 [2021-08-27 07:48:34,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2021-08-27 07:48:34,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 653. [2021-08-27 07:48:34,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 653 states, 519 states have (on average 1.2003853564547207) internal successors, (623), 528 states have internal predecessors, (623), 70 states have call successors, (70), 56 states have call predecessors, (70), 63 states have return successors, (82), 69 states have call predecessors, (82), 64 states have call successors, (82) [2021-08-27 07:48:34,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 775 transitions. [2021-08-27 07:48:34,878 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 775 transitions. Word has length 79 [2021-08-27 07:48:34,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:48:34,880 INFO L470 AbstractCegarLoop]: Abstraction has 653 states and 775 transitions. [2021-08-27 07:48:34,880 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 6 states have internal predecessors, (59), 4 states have call successors, (12), 10 states have call predecessors, (12), 4 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2021-08-27 07:48:34,880 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 775 transitions. [2021-08-27 07:48:34,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-08-27 07:48:34,882 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:48:34,882 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:48:34,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-08-27 07:48:34,883 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:48:34,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:48:34,883 INFO L82 PathProgramCache]: Analyzing trace with hash 1026344045, now seen corresponding path program 1 times [2021-08-27 07:48:34,883 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 07:48:34,884 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059344571] [2021-08-27 07:48:34,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:48:34,884 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 07:48:34,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:35,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-08-27 07:48:35,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:35,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-08-27 07:48:35,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:35,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-08-27 07:48:35,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:35,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-08-27 07:48:35,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:35,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-08-27 07:48:35,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:35,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-08-27 07:48:35,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:35,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-08-27 07:48:35,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:35,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-08-27 07:48:35,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:35,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-08-27 07:48:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:35,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:48:35,220 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 07:48:35,226 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059344571] [2021-08-27 07:48:35,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059344571] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 07:48:35,226 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:48:35,227 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-08-27 07:48:35,227 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779683253] [2021-08-27 07:48:35,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-08-27 07:48:35,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 07:48:35,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-08-27 07:48:35,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2021-08-27 07:48:35,228 INFO L87 Difference]: Start difference. First operand 653 states and 775 transitions. Second operand has 14 states, 14 states have (on average 4.071428571428571) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (14), 10 states have call predecessors, (14), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2021-08-27 07:48:36,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:48:36,245 INFO L93 Difference]: Finished difference Result 804 states and 992 transitions. [2021-08-27 07:48:36,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-27 07:48:36,245 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.071428571428571) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (14), 10 states have call predecessors, (14), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) Word has length 80 [2021-08-27 07:48:36,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:48:36,248 INFO L225 Difference]: With dead ends: 804 [2021-08-27 07:48:36,248 INFO L226 Difference]: Without dead ends: 804 [2021-08-27 07:48:36,248 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 370.2ms TimeCoverageRelationStatistics Valid=115, Invalid=391, Unknown=0, NotChecked=0, Total=506 [2021-08-27 07:48:36,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2021-08-27 07:48:36,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 617. [2021-08-27 07:48:36,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 617 states, 495 states have (on average 1.2) internal successors, (594), 502 states have internal predecessors, (594), 63 states have call successors, (63), 50 states have call predecessors, (63), 58 states have return successors, (72), 65 states have call predecessors, (72), 58 states have call successors, (72) [2021-08-27 07:48:36,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 729 transitions. [2021-08-27 07:48:36,260 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 729 transitions. Word has length 80 [2021-08-27 07:48:36,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:48:36,260 INFO L470 AbstractCegarLoop]: Abstraction has 617 states and 729 transitions. [2021-08-27 07:48:36,260 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.071428571428571) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (14), 10 states have call predecessors, (14), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2021-08-27 07:48:36,260 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 729 transitions. [2021-08-27 07:48:36,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-08-27 07:48:36,262 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:48:36,262 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:48:36,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-08-27 07:48:36,263 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:48:36,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:48:36,263 INFO L82 PathProgramCache]: Analyzing trace with hash 530825079, now seen corresponding path program 1 times [2021-08-27 07:48:36,263 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 07:48:36,263 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915496384] [2021-08-27 07:48:36,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:48:36,264 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 07:48:36,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:36,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-08-27 07:48:36,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:36,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-08-27 07:48:36,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:36,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-08-27 07:48:36,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:36,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-08-27 07:48:36,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:36,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-08-27 07:48:36,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:36,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-08-27 07:48:36,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:36,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-08-27 07:48:36,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:36,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-08-27 07:48:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:36,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-08-27 07:48:36,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:36,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:48:36,592 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 07:48:36,592 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915496384] [2021-08-27 07:48:36,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915496384] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 07:48:36,592 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:48:36,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-08-27 07:48:36,593 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15969068] [2021-08-27 07:48:36,594 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-08-27 07:48:36,594 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 07:48:36,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-08-27 07:48:36,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2021-08-27 07:48:36,595 INFO L87 Difference]: Start difference. First operand 617 states and 729 transitions. Second operand has 16 states, 16 states have (on average 4.0625) internal successors, (65), 7 states have internal predecessors, (65), 3 states have call successors, (11), 9 states have call predecessors, (11), 3 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) [2021-08-27 07:48:37,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:48:37,865 INFO L93 Difference]: Finished difference Result 724 states and 853 transitions. [2021-08-27 07:48:37,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-27 07:48:37,866 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.0625) internal successors, (65), 7 states have internal predecessors, (65), 3 states have call successors, (11), 9 states have call predecessors, (11), 3 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) Word has length 85 [2021-08-27 07:48:37,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:48:37,868 INFO L225 Difference]: With dead ends: 724 [2021-08-27 07:48:37,868 INFO L226 Difference]: Without dead ends: 706 [2021-08-27 07:48:37,868 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 453.5ms TimeCoverageRelationStatistics Valid=101, Invalid=499, Unknown=0, NotChecked=0, Total=600 [2021-08-27 07:48:37,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2021-08-27 07:48:37,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 625. [2021-08-27 07:48:37,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 625 states, 502 states have (on average 1.197211155378486) internal successors, (601), 509 states have internal predecessors, (601), 63 states have call successors, (63), 50 states have call predecessors, (63), 59 states have return successors, (75), 66 states have call predecessors, (75), 58 states have call successors, (75) [2021-08-27 07:48:37,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 739 transitions. [2021-08-27 07:48:37,877 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 739 transitions. Word has length 85 [2021-08-27 07:48:37,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:48:37,878 INFO L470 AbstractCegarLoop]: Abstraction has 625 states and 739 transitions. [2021-08-27 07:48:37,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.0625) internal successors, (65), 7 states have internal predecessors, (65), 3 states have call successors, (11), 9 states have call predecessors, (11), 3 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) [2021-08-27 07:48:37,878 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 739 transitions. [2021-08-27 07:48:37,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-08-27 07:48:37,879 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:48:37,880 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:48:37,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-08-27 07:48:37,880 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:48:37,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:48:37,880 INFO L82 PathProgramCache]: Analyzing trace with hash -906533116, now seen corresponding path program 1 times [2021-08-27 07:48:37,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 07:48:37,881 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84423992] [2021-08-27 07:48:37,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:48:37,881 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 07:48:37,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:38,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-08-27 07:48:38,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:38,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-08-27 07:48:38,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:38,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-08-27 07:48:38,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:38,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-08-27 07:48:38,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:38,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-08-27 07:48:38,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:38,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-08-27 07:48:38,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:38,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-08-27 07:48:38,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:38,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-08-27 07:48:38,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:38,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-08-27 07:48:38,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:38,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:48:38,215 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 07:48:38,215 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84423992] [2021-08-27 07:48:38,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84423992] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 07:48:38,215 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:48:38,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-08-27 07:48:38,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353514258] [2021-08-27 07:48:38,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-08-27 07:48:38,218 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 07:48:38,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-08-27 07:48:38,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2021-08-27 07:48:38,218 INFO L87 Difference]: Start difference. First operand 625 states and 739 transitions. Second operand has 16 states, 16 states have (on average 4.125) internal successors, (66), 7 states have internal predecessors, (66), 3 states have call successors, (11), 9 states have call predecessors, (11), 3 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) [2021-08-27 07:48:39,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:48:39,325 INFO L93 Difference]: Finished difference Result 724 states and 852 transitions. [2021-08-27 07:48:39,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-27 07:48:39,326 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.125) internal successors, (66), 7 states have internal predecessors, (66), 3 states have call successors, (11), 9 states have call predecessors, (11), 3 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) Word has length 86 [2021-08-27 07:48:39,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:48:39,327 INFO L225 Difference]: With dead ends: 724 [2021-08-27 07:48:39,327 INFO L226 Difference]: Without dead ends: 706 [2021-08-27 07:48:39,327 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 353.3ms TimeCoverageRelationStatistics Valid=78, Invalid=342, Unknown=0, NotChecked=0, Total=420 [2021-08-27 07:48:39,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2021-08-27 07:48:39,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 617. [2021-08-27 07:48:39,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 617 states, 495 states have (on average 1.197979797979798) internal successors, (593), 502 states have internal predecessors, (593), 63 states have call successors, (63), 50 states have call predecessors, (63), 58 states have return successors, (72), 65 states have call predecessors, (72), 58 states have call successors, (72) [2021-08-27 07:48:39,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 728 transitions. [2021-08-27 07:48:39,335 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 728 transitions. Word has length 86 [2021-08-27 07:48:39,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:48:39,336 INFO L470 AbstractCegarLoop]: Abstraction has 617 states and 728 transitions. [2021-08-27 07:48:39,336 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.125) internal successors, (66), 7 states have internal predecessors, (66), 3 states have call successors, (11), 9 states have call predecessors, (11), 3 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) [2021-08-27 07:48:39,336 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 728 transitions. [2021-08-27 07:48:39,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-08-27 07:48:39,338 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:48:39,338 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:48:39,338 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-08-27 07:48:39,338 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:48:39,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:48:39,338 INFO L82 PathProgramCache]: Analyzing trace with hash 2023461198, now seen corresponding path program 1 times [2021-08-27 07:48:39,339 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 07:48:39,339 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992314625] [2021-08-27 07:48:39,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:48:39,339 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 07:48:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:39,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-08-27 07:48:39,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:39,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-08-27 07:48:39,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:39,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-08-27 07:48:39,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:39,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-08-27 07:48:39,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:39,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-08-27 07:48:39,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:39,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-08-27 07:48:39,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:39,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-08-27 07:48:39,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:39,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:48:39,606 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 07:48:39,606 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992314625] [2021-08-27 07:48:39,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992314625] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 07:48:39,606 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:48:39,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-08-27 07:48:39,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520076820] [2021-08-27 07:48:39,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-08-27 07:48:39,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 07:48:39,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-27 07:48:39,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2021-08-27 07:48:39,607 INFO L87 Difference]: Start difference. First operand 617 states and 728 transitions. Second operand has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 5 states have internal predecessors, (65), 5 states have call successors, (9), 9 states have call predecessors, (9), 3 states have return successors, (7), 5 states have call predecessors, (7), 4 states have call successors, (7) [2021-08-27 07:48:40,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:48:40,971 INFO L93 Difference]: Finished difference Result 764 states and 884 transitions. [2021-08-27 07:48:40,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-27 07:48:40,981 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 5 states have internal predecessors, (65), 5 states have call successors, (9), 9 states have call predecessors, (9), 3 states have return successors, (7), 5 states have call predecessors, (7), 4 states have call successors, (7) Word has length 81 [2021-08-27 07:48:40,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:48:40,983 INFO L225 Difference]: With dead ends: 764 [2021-08-27 07:48:40,983 INFO L226 Difference]: Without dead ends: 764 [2021-08-27 07:48:40,983 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 390.5ms TimeCoverageRelationStatistics Valid=124, Invalid=338, Unknown=0, NotChecked=0, Total=462 [2021-08-27 07:48:40,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2021-08-27 07:48:40,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 738. [2021-08-27 07:48:40,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 738 states, 592 states have (on average 1.1891891891891893) internal successors, (704), 601 states have internal predecessors, (704), 71 states have call successors, (71), 62 states have call predecessors, (71), 74 states have return successors, (84), 75 states have call predecessors, (84), 66 states have call successors, (84) [2021-08-27 07:48:40,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 738 states and 859 transitions. [2021-08-27 07:48:40,999 INFO L78 Accepts]: Start accepts. Automaton has 738 states and 859 transitions. Word has length 81 [2021-08-27 07:48:41,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:48:41,000 INFO L470 AbstractCegarLoop]: Abstraction has 738 states and 859 transitions. [2021-08-27 07:48:41,000 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 5 states have internal predecessors, (65), 5 states have call successors, (9), 9 states have call predecessors, (9), 3 states have return successors, (7), 5 states have call predecessors, (7), 4 states have call successors, (7) [2021-08-27 07:48:41,000 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 859 transitions. [2021-08-27 07:48:41,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-08-27 07:48:41,002 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:48:41,002 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:48:41,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-08-27 07:48:41,002 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:48:41,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:48:41,003 INFO L82 PathProgramCache]: Analyzing trace with hash 1875622583, now seen corresponding path program 1 times [2021-08-27 07:48:41,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 07:48:41,003 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800193877] [2021-08-27 07:48:41,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:48:41,003 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 07:48:41,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 07:48:41,022 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 07:48:41,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 07:48:41,110 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 07:48:41,110 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-27 07:48:41,111 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK [2021-08-27 07:48:41,113 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-08-27 07:48:41,117 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-08-27 07:48:41,123 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-27 07:48:41,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.08 07:48:41 BoogieIcfgContainer [2021-08-27 07:48:41,261 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-27 07:48:41,262 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 07:48:41,262 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 07:48:41,262 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 07:48:41,263 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 07:47:41" (3/4) ... [2021-08-27 07:48:41,266 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-27 07:48:41,267 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 07:48:41,268 INFO L168 Benchmark]: Toolchain (without parser) took 61666.35 ms. Allocated memory was 48.2 MB in the beginning and 362.8 MB in the end (delta: 314.6 MB). Free memory was 22.9 MB in the beginning and 151.5 MB in the end (delta: -128.6 MB). Peak memory consumption was 186.3 MB. Max. memory is 16.1 GB. [2021-08-27 07:48:41,269 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 48.2 MB. Free memory was 30.4 MB in the beginning and 30.4 MB in the end (delta: 51.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 07:48:41,269 INFO L168 Benchmark]: CACSL2BoogieTranslator took 420.18 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 22.7 MB in the beginning and 36.4 MB in the end (delta: -13.7 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. [2021-08-27 07:48:41,270 INFO L168 Benchmark]: Boogie Preprocessor took 113.65 ms. Allocated memory is still 58.7 MB. Free memory was 36.2 MB in the beginning and 32.8 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-27 07:48:41,270 INFO L168 Benchmark]: RCFGBuilder took 1181.48 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 32.8 MB in the beginning and 40.6 MB in the end (delta: -7.8 MB). Peak memory consumption was 18.1 MB. Max. memory is 16.1 GB. [2021-08-27 07:48:41,270 INFO L168 Benchmark]: TraceAbstraction took 59938.94 ms. Allocated memory was 71.3 MB in the beginning and 362.8 MB in the end (delta: 291.5 MB). Free memory was 40.1 MB in the beginning and 152.5 MB in the end (delta: -112.5 MB). Peak memory consumption was 177.3 MB. Max. memory is 16.1 GB. [2021-08-27 07:48:41,271 INFO L168 Benchmark]: Witness Printer took 4.93 ms. Allocated memory is still 362.8 MB. Free memory was 152.5 MB in the beginning and 151.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 07:48:41,272 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 48.2 MB. Free memory was 30.4 MB in the beginning and 30.4 MB in the end (delta: 51.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 420.18 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 22.7 MB in the beginning and 36.4 MB in the end (delta: -13.7 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 113.65 ms. Allocated memory is still 58.7 MB. Free memory was 36.2 MB in the beginning and 32.8 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1181.48 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 32.8 MB in the beginning and 40.6 MB in the end (delta: -7.8 MB). Peak memory consumption was 18.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 59938.94 ms. Allocated memory was 71.3 MB in the beginning and 362.8 MB in the end (delta: 291.5 MB). Free memory was 40.1 MB in the beginning and 152.5 MB in the end (delta: -112.5 MB). Peak memory consumption was 177.3 MB. Max. memory is 16.1 GB. * Witness Printer took 4.93 ms. Allocated memory is still 362.8 MB. Free memory was 152.5 MB in the beginning and 151.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 65]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 65. Possible FailurePath: [L36] int FloppyThread ; [L37] int KernelMode ; [L38] int Suspended ; [L39] int Executive ; [L40] int DiskController ; [L41] int FloppyDiskPeripheral ; [L42] int FlConfigCallBack ; [L43] int MaximumInterfaceType ; [L44] int MOUNTDEV_MOUNTED_DEVICE_GUID ; [L45] int myStatus ; [L46] int s ; [L47] int UNLOADED ; [L48] int NP ; [L49] int DC ; [L50] int SKIP1 ; [L51] int SKIP2 ; [L52] int MPR1 ; [L53] int MPR3 ; [L54] int IPC ; [L55] int pended ; [L56] int compRegistered ; [L57] int lowerDriverReturn ; [L58] int setEventCalled ; [L59] int customIrp ; [L91] int PagingReferenceCount = 0; [L92] int PagingMutex = 0; VAL [\old(compRegistered)=260, \old(customIrp)=265, \old(DC)=288, \old(DiskController)=263, \old(Executive)=286, \old(FlConfigCallBack)=268, \old(FloppyDiskPeripheral)=291, \old(FloppyThread)=261, \old(IPC)=274, \old(KernelMode)=270, \old(lowerDriverReturn)=275, \old(MaximumInterfaceType)=292, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=281, \old(MPR1)=283, \old(MPR3)=293, \old(myStatus)=287, \old(NP)=266, \old(PagingMutex)=284, \old(PagingReferenceCount)=289, \old(pended)=285, \old(s)=271, \old(setEventCalled)=262, \old(SKIP1)=269, \old(SKIP2)=280, \old(Suspended)=282, \old(UNLOADED)=273, compRegistered=0, customIrp=0, DC=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=0, MPR3=0, myStatus=0, NP=0, PagingMutex=0, PagingReferenceCount=0, pended=0, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, Suspended=0, UNLOADED=0] [L671] int status ; [L672] int irp = __VERIFIER_nondet_int() ; [L673] int pirp ; [L674] int pirp__IoStatus__Status ; [L675] int irp_choice = __VERIFIER_nondet_int() ; [L676] int devobj = __VERIFIER_nondet_int() ; [L677] int __cil_tmp8 ; [L679] FloppyThread = 0 [L680] KernelMode = 0 [L681] Suspended = 0 [L682] Executive = 0 [L683] DiskController = 0 [L684] FloppyDiskPeripheral = 0 [L685] FlConfigCallBack = 0 [L686] MaximumInterfaceType = 0 [L687] MOUNTDEV_MOUNTED_DEVICE_GUID = 0 [L688] myStatus = 0 [L689] s = 0 [L690] UNLOADED = 0 [L691] NP = 0 [L692] DC = 0 [L693] SKIP1 = 0 [L694] SKIP2 = 0 [L695] MPR1 = 0 [L696] MPR3 = 0 [L697] IPC = 0 [L698] pended = 0 [L699] compRegistered = 0 [L700] lowerDriverReturn = 0 [L701] setEventCalled = 0 [L702] customIrp = 0 [L706] status = 0 [L707] pirp = irp VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=0, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=0, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=0, MPR3=0, myStatus=0, NP=0, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, status=0, Suspended=0, UNLOADED=0] [L708] CALL _BLAST_init() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=0, MPR3=0, myStatus=0, NP=0, PagingMutex=0, PagingReferenceCount=0, pended=0, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, Suspended=0, UNLOADED=0] [L74] UNLOADED = 0 [L75] NP = 1 [L76] DC = 2 [L77] SKIP1 = 3 [L78] SKIP2 = 4 [L79] MPR1 = 5 [L80] MPR3 = 6 [L81] IPC = 7 [L82] s = UNLOADED [L83] pended = 0 [L84] compRegistered = 0 [L85] lowerDriverReturn = 0 [L86] setEventCalled = 0 [L87] customIrp = 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, s=0, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L708] RET _BLAST_init() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, s=0, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, UNLOADED=0] [L710] COND TRUE status >= 0 [L711] s = NP [L712] customIrp = 0 [L713] setEventCalled = customIrp [L714] lowerDriverReturn = setEventCalled [L715] compRegistered = lowerDriverReturn [L716] pended = compRegistered [L717] pirp__IoStatus__Status = 0 [L718] myStatus = 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, pirp__IoStatus__Status=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, UNLOADED=0] [L719] COND TRUE irp_choice == 0 [L720] pirp__IoStatus__Status = -1073741637 [L721] myStatus = -1073741637 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, UNLOADED=0] [L724] CALL stub_driver_init() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L661] s = NP [L662] pended = 0 [L663] compRegistered = 0 [L664] lowerDriverReturn = 0 [L665] setEventCalled = 0 [L666] customIrp = 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L724] RET stub_driver_init() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, UNLOADED=0] [L727] COND FALSE !(status < 0) [L731] int tmp_ndt_1; [L732] tmp_ndt_1 = __VERIFIER_nondet_int() [L733] COND TRUE tmp_ndt_1 == 3 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L740] CALL, EXPR FloppyPnp(devobj, pirp) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L164] int DeviceObject__DeviceExtension = __VERIFIER_nondet_int() ; [L165] int Irp__Tail__Overlay__CurrentStackLocation = __VERIFIER_nondet_int() ; [L166] int Irp__IoStatus__Information ; [L167] int Irp__IoStatus__Status ; [L168] int Irp__CurrentLocation = __VERIFIER_nondet_int() ; [L169] int disketteExtension__IsRemoved = __VERIFIER_nondet_int() ; [L170] int disketteExtension__IsStarted = __VERIFIER_nondet_int() ; [L171] int disketteExtension__TargetObject = __VERIFIER_nondet_int() ; [L172] int disketteExtension__HoldNewRequests ; [L173] int disketteExtension__FloppyThread = __VERIFIER_nondet_int() ; [L174] int disketteExtension__InterfaceString__Buffer = __VERIFIER_nondet_int() ; [L175] int disketteExtension__InterfaceString = __VERIFIER_nondet_int() ; [L176] int disketteExtension__ArcName__Length = __VERIFIER_nondet_int() ; [L177] int disketteExtension__ArcName = __VERIFIER_nondet_int() ; [L178] int irpSp__MinorFunction = __VERIFIER_nondet_int() ; [L179] int IoGetConfigurationInformation__FloppyCount = __VERIFIER_nondet_int() ; [L180] int irpSp ; [L181] int disketteExtension ; [L182] int ntStatus ; [L183] int doneEvent = __VERIFIER_nondet_int() ; [L184] int irpSp___0 ; [L185] int nextIrpSp ; [L186] int nextIrpSp__Control ; [L187] int irpSp___1 ; [L188] int irpSp__Context ; [L189] int irpSp__Control ; [L190] long __cil_tmp29 ; [L191] long __cil_tmp30 ; [L194] ntStatus = 0 [L195] PagingReferenceCount ++ VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=1, disketteExtension__InterfaceString=-3, disketteExtension__InterfaceString__Buffer=-4, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=-2, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L196] COND TRUE PagingReferenceCount == 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=1, disketteExtension__InterfaceString=-3, disketteExtension__InterfaceString__Buffer=-4, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=-2, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L199] disketteExtension = DeviceObject__DeviceExtension [L200] irpSp = Irp__Tail__Overlay__CurrentStackLocation VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=1, disketteExtension__InterfaceString=-3, disketteExtension__InterfaceString__Buffer=-4, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=-2, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L201] COND FALSE !(\read(disketteExtension__IsRemoved)) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=1, disketteExtension__InterfaceString=-3, disketteExtension__InterfaceString__Buffer=-4, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=-2, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L210] COND FALSE !(irpSp__MinorFunction == 0) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=1, disketteExtension__InterfaceString=-3, disketteExtension__InterfaceString__Buffer=-4, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=-2, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L213] COND TRUE irpSp__MinorFunction == 5 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=1, disketteExtension__InterfaceString=-3, disketteExtension__InterfaceString__Buffer=-4, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=-2, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L239] COND TRUE irpSp__MinorFunction == 5 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=1, disketteExtension__InterfaceString=-3, disketteExtension__InterfaceString__Buffer=-4, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=-2, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L242] COND FALSE !(! disketteExtension__IsStarted) [L258] disketteExtension__HoldNewRequests = 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=1, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=-3, disketteExtension__InterfaceString__Buffer=-4, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=-2, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L259] CALL, EXPR FlQueueIrpToThread(Irp, disketteExtension) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L101] int status ; [L102] int threadHandle = __VERIFIER_nondet_int() ; [L103] int DisketteExtension__PoweringDown = __VERIFIER_nondet_int() ; [L104] int DisketteExtension__ThreadReferenceCount = __VERIFIER_nondet_int() ; [L105] int DisketteExtension__FloppyThread = __VERIFIER_nondet_int() ; [L106] int Irp__IoStatus__Status ; [L107] int Irp__IoStatus__Information ; [L108] int Irp__Tail__Overlay__CurrentStackLocation__Control ; [L109] int ObjAttributes = __VERIFIER_nondet_int() ; [L110] int __cil_tmp12 ; [L111] int __cil_tmp13 ; VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=-6, DisketteExtension__ThreadReferenceCount=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=-7, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=-5, UNLOADED=0] [L114] COND FALSE !(DisketteExtension__PoweringDown == 1) [L120] DisketteExtension__ThreadReferenceCount ++ VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=-6, DisketteExtension__ThreadReferenceCount=1, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=-7, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=-5, UNLOADED=0] [L121] COND FALSE !(DisketteExtension__ThreadReferenceCount == 0) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=-6, DisketteExtension__ThreadReferenceCount=1, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=-7, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=-5, UNLOADED=0] [L153] COND TRUE pended == 0 [L154] pended = 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=-6, DisketteExtension__ThreadReferenceCount=1, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=-7, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=-5, UNLOADED=0] [L160] return (259); VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, \result=259, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=-6, DisketteExtension__ThreadReferenceCount=1, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=-7, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=-5, UNLOADED=0] [L259] RET, EXPR FlQueueIrpToThread(Irp, disketteExtension) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=1, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=-3, disketteExtension__InterfaceString__Buffer=-4, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=-2, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, FlQueueIrpToThread(Irp, disketteExtension)=259, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L259] ntStatus = FlQueueIrpToThread(Irp, disketteExtension) [L262] __cil_tmp29 = (long )ntStatus VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=1, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=-3, disketteExtension__InterfaceString__Buffer=-4, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=-2, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L263] COND TRUE __cil_tmp29 == 259L VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=1, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=-3, disketteExtension__InterfaceString__Buffer=-4, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=-2, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L265-L266] CALL KeWaitForSingleObject(disketteExtension__FloppyThread, Executive, KernelMode, 0, 0) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=1, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L1036] COND FALSE !(s == MPR3) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=1, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, Alertable=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, Object=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, UNLOADED=0, WaitMode=0, WaitReason=0] [L1045] COND FALSE !(customIrp == 1) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=1, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, Alertable=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, Object=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, UNLOADED=0, WaitMode=0, WaitReason=0] [L1049] COND FALSE !(s == MPR3) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=1, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, Alertable=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, Object=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, UNLOADED=0, WaitMode=0, WaitReason=0] [L1056] int tmp_ndt_8; [L1057] tmp_ndt_8 = __VERIFIER_nondet_int() [L1058] COND TRUE tmp_ndt_8 == 0 VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=1, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, Alertable=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, Object=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, tmp_ndt_8=0, UNLOADED=0, WaitMode=0, WaitReason=0] [L1064] return (0); VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=1, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, \result=0, Alertable=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, Object=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, tmp_ndt_8=0, UNLOADED=0, WaitMode=0, WaitReason=0] [L265-L266] RET KeWaitForSingleObject(disketteExtension__FloppyThread, Executive, KernelMode, 0, 0) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=1, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=-3, disketteExtension__InterfaceString__Buffer=-4, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=-2, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, KeWaitForSingleObject(disketteExtension__FloppyThread, Executive, KernelMode, 0, 0)=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L268] COND TRUE disketteExtension__FloppyThread != 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=1, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=-3, disketteExtension__InterfaceString__Buffer=-4, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=-2, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L271] disketteExtension__FloppyThread = 0 [L272] Irp__IoStatus__Status = 0 [L273] myStatus = 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=-3, disketteExtension__InterfaceString__Buffer=-4, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=-2, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L274] COND TRUE s == NP [L275] s = SKIP1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=-3, disketteExtension__InterfaceString__Buffer=-4, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=-2, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L282] Irp__CurrentLocation ++ [L283] Irp__Tail__Overlay__CurrentStackLocation ++ VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=-3, disketteExtension__InterfaceString__Buffer=-4, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=-2, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=1, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L284] CALL, EXPR IofCallDriver(disketteExtension__TargetObject, Irp) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=-2, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L938] int returnVal2 ; [L939] int compRetStatus1 ; [L940] int lcontext = __VERIFIER_nondet_int() ; [L941] unsigned long __cil_tmp7 ; VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=-2, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=-2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=-8, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L944] COND FALSE !(\read(compRegistered)) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=-2, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=-2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=-8, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L957] int tmp_ndt_12; [L958] tmp_ndt_12 = __VERIFIER_nondet_int() [L959] COND TRUE tmp_ndt_12 == 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=-2, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=-2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=-8, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_12=0, UNLOADED=0] [L970] returnVal2 = 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=-2, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=-2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=-8, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_12=0, UNLOADED=0] [L983] COND FALSE !(s == NP) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=-2, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=-2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=-8, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_12=0, UNLOADED=0] [L987] COND FALSE !(s == MPR1) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=-2, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=-2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=-8, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_12=0, UNLOADED=0] [L996] COND TRUE s == SKIP1 [L997] s = SKIP2 [L998] lowerDriverReturn = returnVal2 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=-2, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=-2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=-8, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_12=0, UNLOADED=0] [L1006] return (returnVal2); VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=-2, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, \result=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=-2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=-8, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_12=0, UNLOADED=0] [L284] RET, EXPR IofCallDriver(disketteExtension__TargetObject, Irp) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=-3, disketteExtension__InterfaceString__Buffer=-4, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=-2, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IofCallDriver(disketteExtension__TargetObject, Irp)=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=1, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L284] ntStatus = IofCallDriver(disketteExtension__TargetObject, Irp) [L430] PagingReferenceCount -- VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=-3, disketteExtension__InterfaceString__Buffer=-4, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=-2, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=1, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L431] COND TRUE PagingReferenceCount == 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=-3, disketteExtension__InterfaceString__Buffer=-4, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=-2, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=1, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L434] return (ntStatus); VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, \result=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=-3, disketteExtension__InterfaceString__Buffer=-4, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=-2, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=1, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L740] RET, EXPR FloppyPnp(devobj, pirp) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyPnp(devobj, pirp)=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L740] status = FloppyPnp(devobj, pirp) [L750] COND TRUE pended == 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L751] COND FALSE !(s == NP) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L758] COND TRUE pended == 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L759] COND FALSE !(s == MPR3) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L766] COND TRUE s != UNLOADED VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L767] COND TRUE status != -1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L768] COND FALSE !(s != SKIP2) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L782] COND TRUE pended == 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L783] COND TRUE status != 259 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L784] CALL errorFn() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L65] reach_error() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] - UnprovableResult [Line: 670]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 309 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 59754.9ms, OverallIterations: 40, TraceHistogramMax: 1, EmptinessCheckTime: 62.6ms, AutomataDifference: 48081.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 13643 SDtfs, 19574 SDslu, 25608 SDs, 0 SdLazy, 45139 SolverSat, 6663 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 32481.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 874 GetRequests, 371 SyntacticMatches, 0 SemanticMatches, 503 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1080 ImplicationChecksByTransitivity, 13500.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=845occurred in iteration=11, InterpolantAutomatonStates: 441, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 591.0ms AutomataMinimizationTime, 39 MinimizatonAttempts, 2306 StatesRemovedByMinimization, 39 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 155.5ms SsaConstructionTime, 547.3ms SatisfiabilityAnalysisTime, 9803.1ms InterpolantComputationTime, 2190 NumberOfCodeBlocks, 2190 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 2069 ConstructedInterpolants, 0 QuantifiedInterpolants, 11653 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 39 InterpolantComputations, 39 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 could not prove your program: unable to determine feasibility of some traces [2021-08-27 07:48:41,317 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 07:48:43,067 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 07:48:43,069 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 07:48:43,098 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 07:48:43,101 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 07:48:43,104 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 07:48:43,107 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 07:48:43,113 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 07:48:43,116 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 07:48:43,121 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 07:48:43,123 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 07:48:43,126 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 07:48:43,126 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 07:48:43,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 07:48:43,133 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 07:48:43,135 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 07:48:43,136 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 07:48:43,139 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 07:48:43,141 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 07:48:43,144 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 07:48:43,148 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 07:48:43,149 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 07:48:43,151 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 07:48:43,160 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 07:48:43,173 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 07:48:43,177 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 07:48:43,178 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 07:48:43,179 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 07:48:43,180 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 07:48:43,181 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 07:48:43,181 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 07:48:43,182 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 07:48:43,183 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 07:48:43,184 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 07:48:43,185 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 07:48:43,186 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 07:48:43,186 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 07:48:43,187 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 07:48:43,187 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 07:48:43,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 07:48:43,189 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 07:48:43,193 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-08-27 07:48:43,237 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 07:48:43,237 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 07:48:43,237 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 07:48:43,237 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 07:48:43,238 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 07:48:43,239 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 07:48:43,239 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 07:48:43,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 07:48:43,239 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 07:48:43,239 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 07:48:43,240 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 07:48:43,240 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 07:48:43,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 07:48:43,240 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-27 07:48:43,240 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-27 07:48:43,240 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-08-27 07:48:43,241 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-27 07:48:43,241 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-27 07:48:43,241 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-27 07:48:43,241 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-27 07:48:43,241 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 07:48:43,242 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 07:48:43,242 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 07:48:43,242 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 07:48:43,242 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-27 07:48:43,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 07:48:43,242 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 07:48:43,243 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-27 07:48:43,243 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-27 07:48:43,243 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-27 07:48:43,243 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 07:48:43,243 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-27 07:48:43,244 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80f2ff50c19fe4a3b45780d8d11b89e9a2800d57 [2021-08-27 07:48:43,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 07:48:43,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 07:48:43,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 07:48:43,589 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 07:48:43,590 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 07:48:43,592 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c [2021-08-27 07:48:43,654 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8438bf663/1097b7e3a12548f7ba418d0ebbd2ca79/FLAG66d324cfa [2021-08-27 07:48:44,109 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 07:48:44,110 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c [2021-08-27 07:48:44,122 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8438bf663/1097b7e3a12548f7ba418d0ebbd2ca79/FLAG66d324cfa [2021-08-27 07:48:44,141 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8438bf663/1097b7e3a12548f7ba418d0ebbd2ca79 [2021-08-27 07:48:44,146 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 07:48:44,148 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-27 07:48:44,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 07:48:44,150 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 07:48:44,153 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 07:48:44,154 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 07:48:44" (1/1) ... [2021-08-27 07:48:44,155 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fe78638 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 07:48:44, skipping insertion in model container [2021-08-27 07:48:44,156 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 07:48:44" (1/1) ... [2021-08-27 07:48:44,162 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 07:48:44,212 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 07:48:44,354 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c[2713,2726] [2021-08-27 07:48:44,472 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 07:48:44,483 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 07:48:44,496 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c[2713,2726] [2021-08-27 07:48:44,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 07:48:44,589 INFO L208 MainTranslator]: Completed translation [2021-08-27 07:48:44,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 07:48:44 WrapperNode [2021-08-27 07:48:44,590 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 07:48:44,592 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 07:48:44,592 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 07:48:44,592 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 07:48:44,602 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 07:48:44" (1/1) ... [2021-08-27 07:48:44,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 07:48:44" (1/1) ... [2021-08-27 07:48:44,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 07:48:44" (1/1) ... [2021-08-27 07:48:44,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 07:48:44" (1/1) ... [2021-08-27 07:48:44,658 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 07:48:44" (1/1) ... [2021-08-27 07:48:44,673 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 07:48:44" (1/1) ... [2021-08-27 07:48:44,685 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 07:48:44" (1/1) ... [2021-08-27 07:48:44,692 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 07:48:44,693 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 07:48:44,693 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 07:48:44,694 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 07:48:44,694 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 07:48:44" (1/1) ... [2021-08-27 07:48:44,709 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 07:48:44,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 07:48:44,724 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) [2021-08-27 07:48:44,726 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 [2021-08-27 07:48:44,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-08-27 07:48:44,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 07:48:44,759 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-08-27 07:48:44,759 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2021-08-27 07:48:44,760 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2021-08-27 07:48:44,760 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2021-08-27 07:48:44,760 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2021-08-27 07:48:44,760 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2021-08-27 07:48:44,760 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2021-08-27 07:48:44,760 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2021-08-27 07:48:44,761 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2021-08-27 07:48:44,761 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2021-08-27 07:48:44,761 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2021-08-27 07:48:44,761 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-08-27 07:48:44,761 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2021-08-27 07:48:44,761 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2021-08-27 07:48:44,762 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2021-08-27 07:48:44,762 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2021-08-27 07:48:44,762 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2021-08-27 07:48:44,762 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2021-08-27 07:48:44,762 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2021-08-27 07:48:44,762 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2021-08-27 07:48:44,762 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2021-08-27 07:48:44,763 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2021-08-27 07:48:44,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2021-08-27 07:48:44,763 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2021-08-27 07:48:44,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2021-08-27 07:48:44,763 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-08-27 07:48:44,763 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-08-27 07:48:44,763 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-08-27 07:48:44,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 07:48:44,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2021-08-27 07:48:44,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-08-27 07:48:44,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2021-08-27 07:48:44,764 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2021-08-27 07:48:44,772 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2021-08-27 07:48:44,772 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2021-08-27 07:48:44,772 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2021-08-27 07:48:44,772 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2021-08-27 07:48:44,772 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2021-08-27 07:48:44,772 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2021-08-27 07:48:44,773 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2021-08-27 07:48:44,773 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2021-08-27 07:48:44,773 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2021-08-27 07:48:44,773 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2021-08-27 07:48:44,773 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2021-08-27 07:48:44,773 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2021-08-27 07:48:44,773 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2021-08-27 07:48:44,774 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2021-08-27 07:48:44,774 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2021-08-27 07:48:44,774 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2021-08-27 07:48:44,774 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2021-08-27 07:48:44,774 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2021-08-27 07:48:44,774 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2021-08-27 07:48:44,774 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2021-08-27 07:48:44,775 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2021-08-27 07:48:44,775 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-08-27 07:48:44,775 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2021-08-27 07:48:44,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-08-27 07:48:44,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-08-27 07:48:44,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 07:48:44,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-08-27 07:48:44,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-08-27 07:48:44,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-27 07:48:45,022 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-27 07:48:45,049 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-08-27 07:48:45,050 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-08-27 07:48:45,063 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-27 07:48:45,081 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-08-27 07:48:45,081 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-08-27 07:48:45,086 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-27 07:48:45,309 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2021-08-27 07:48:45,309 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2021-08-27 07:48:45,310 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-27 07:48:45,381 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2021-08-27 07:48:45,382 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2021-08-27 07:48:45,392 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-27 07:48:45,434 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2021-08-27 07:48:45,434 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2021-08-27 07:48:45,513 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-27 07:48:45,522 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-08-27 07:48:45,522 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-08-27 07:48:45,523 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-27 07:48:45,529 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-08-27 07:48:45,529 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-08-27 07:48:45,530 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-27 07:48:45,540 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-08-27 07:48:45,541 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-08-27 07:48:45,578 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-27 07:48:45,605 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2021-08-27 07:48:45,605 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2021-08-27 07:48:45,647 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-27 07:48:45,652 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-08-27 07:48:45,653 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-08-27 07:48:45,653 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-27 07:48:45,669 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-08-27 07:48:45,669 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-08-27 07:48:45,669 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-27 07:48:45,674 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-08-27 07:48:45,674 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-08-27 07:48:45,697 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 07:48:45,698 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-08-27 07:48:45,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 07:48:45 BoogieIcfgContainer [2021-08-27 07:48:45,701 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 07:48:45,703 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-27 07:48:45,703 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-27 07:48:45,705 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-27 07:48:45,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 07:48:44" (1/3) ... [2021-08-27 07:48:45,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16844037 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 07:48:45, skipping insertion in model container [2021-08-27 07:48:45,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 07:48:44" (2/3) ... [2021-08-27 07:48:45,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16844037 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 07:48:45, skipping insertion in model container [2021-08-27 07:48:45,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 07:48:45" (3/3) ... [2021-08-27 07:48:45,708 INFO L111 eAbstractionObserver]: Analyzing ICFG floppy_simpl3.cil-1.c [2021-08-27 07:48:45,716 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-27 07:48:45,717 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-08-27 07:48:45,759 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-27 07:48:45,768 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=false, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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 [2021-08-27 07:48:45,768 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-08-27 07:48:45,795 INFO L276 IsEmpty]: Start isEmpty. Operand has 303 states, 219 states have (on average 1.4292237442922375) internal successors, (313), 243 states have internal predecessors, (313), 57 states have call successors, (57), 24 states have call predecessors, (57), 24 states have return successors, (57), 51 states have call predecessors, (57), 57 states have call successors, (57) [2021-08-27 07:48:45,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-08-27 07:48:45,802 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:48:45,803 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:48:45,803 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:48:45,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:48:45,808 INFO L82 PathProgramCache]: Analyzing trace with hash 1798557025, now seen corresponding path program 1 times [2021-08-27 07:48:45,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 07:48:45,819 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [630114240] [2021-08-27 07:48:45,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:48:45,820 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 07:48:45,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 07:48:45,822 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) [2021-08-27 07:48:45,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-08-27 07:48:46,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:46,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 1 conjunts are in the unsatisfiable core [2021-08-27 07:48:46,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 07:48:46,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:48:46,108 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 07:48:46,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:48:46,156 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 07:48:46,156 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [630114240] [2021-08-27 07:48:46,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [630114240] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 07:48:46,157 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:48:46,157 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 1 [2021-08-27 07:48:46,158 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480767225] [2021-08-27 07:48:46,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-27 07:48:46,162 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 07:48:46,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-27 07:48:46,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-27 07:48:46,176 INFO L87 Difference]: Start difference. First operand has 303 states, 219 states have (on average 1.4292237442922375) internal successors, (313), 243 states have internal predecessors, (313), 57 states have call successors, (57), 24 states have call predecessors, (57), 24 states have return successors, (57), 51 states have call predecessors, (57), 57 states have call successors, (57) Second operand has 2 states, 1 states have (on average 10.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-08-27 07:48:46,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:48:46,206 INFO L93 Difference]: Finished difference Result 300 states and 403 transitions. [2021-08-27 07:48:46,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-27 07:48:46,207 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 10.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2021-08-27 07:48:46,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:48:46,217 INFO L225 Difference]: With dead ends: 300 [2021-08-27 07:48:46,217 INFO L226 Difference]: Without dead ends: 294 [2021-08-27 07:48:46,219 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-27 07:48:46,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2021-08-27 07:48:46,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2021-08-27 07:48:46,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 214 states have (on average 1.3785046728971964) internal successors, (295), 235 states have internal predecessors, (295), 57 states have call successors, (57), 24 states have call predecessors, (57), 22 states have return successors, (37), 36 states have call predecessors, (37), 37 states have call successors, (37) [2021-08-27 07:48:46,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 389 transitions. [2021-08-27 07:48:46,275 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 389 transitions. Word has length 15 [2021-08-27 07:48:46,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:48:46,276 INFO L470 AbstractCegarLoop]: Abstraction has 294 states and 389 transitions. [2021-08-27 07:48:46,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 10.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-08-27 07:48:46,276 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 389 transitions. [2021-08-27 07:48:46,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-08-27 07:48:46,277 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:48:46,277 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:48:46,292 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-08-27 07:48:46,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 07:48:46,489 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:48:46,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:48:46,490 INFO L82 PathProgramCache]: Analyzing trace with hash -477224522, now seen corresponding path program 1 times [2021-08-27 07:48:46,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 07:48:46,491 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1130494771] [2021-08-27 07:48:46,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:48:46,491 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 07:48:46,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 07:48:46,495 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) [2021-08-27 07:48:46,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-08-27 07:48:46,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:46,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 07:48:46,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 07:48:46,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:48:46,789 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 07:48:46,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:48:46,867 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 07:48:46,867 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1130494771] [2021-08-27 07:48:46,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1130494771] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 07:48:46,868 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:48:46,868 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-08-27 07:48:46,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774619313] [2021-08-27 07:48:46,870 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-27 07:48:46,870 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 07:48:46,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-27 07:48:46,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-27 07:48:46,872 INFO L87 Difference]: Start difference. First operand 294 states and 389 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 4 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-08-27 07:48:46,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:48:46,935 INFO L93 Difference]: Finished difference Result 294 states and 388 transitions. [2021-08-27 07:48:46,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-27 07:48:46,936 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 4 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 20 [2021-08-27 07:48:46,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:48:46,941 INFO L225 Difference]: With dead ends: 294 [2021-08-27 07:48:46,943 INFO L226 Difference]: Without dead ends: 294 [2021-08-27 07:48:46,944 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-27 07:48:46,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2021-08-27 07:48:46,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2021-08-27 07:48:46,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 214 states have (on average 1.3738317757009346) internal successors, (294), 235 states have internal predecessors, (294), 57 states have call successors, (57), 24 states have call predecessors, (57), 22 states have return successors, (37), 36 states have call predecessors, (37), 37 states have call successors, (37) [2021-08-27 07:48:46,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 388 transitions. [2021-08-27 07:48:46,970 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 388 transitions. Word has length 20 [2021-08-27 07:48:46,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:48:46,970 INFO L470 AbstractCegarLoop]: Abstraction has 294 states and 388 transitions. [2021-08-27 07:48:46,970 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 4 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-08-27 07:48:46,971 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 388 transitions. [2021-08-27 07:48:46,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-08-27 07:48:46,972 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:48:46,972 INFO L512 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] [2021-08-27 07:48:46,987 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-08-27 07:48:47,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 07:48:47,184 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:48:47,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:48:47,184 INFO L82 PathProgramCache]: Analyzing trace with hash 1351580342, now seen corresponding path program 1 times [2021-08-27 07:48:47,185 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 07:48:47,186 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1830981141] [2021-08-27 07:48:47,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:48:47,187 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 07:48:47,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 07:48:47,188 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) [2021-08-27 07:48:47,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-08-27 07:48:47,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:47,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-27 07:48:47,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 07:48:47,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:48:47,706 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 07:48:47,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:48:47,826 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 07:48:47,826 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1830981141] [2021-08-27 07:48:47,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1830981141] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 07:48:47,826 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:48:47,827 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 3] imperfect sequences [] total 5 [2021-08-27 07:48:47,827 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975002348] [2021-08-27 07:48:47,827 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-27 07:48:47,827 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 07:48:47,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-27 07:48:47,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-27 07:48:47,831 INFO L87 Difference]: Start difference. First operand 294 states and 388 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 5 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2021-08-27 07:48:48,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:48:48,368 INFO L93 Difference]: Finished difference Result 445 states and 588 transitions. [2021-08-27 07:48:48,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-27 07:48:48,369 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 5 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) Word has length 28 [2021-08-27 07:48:48,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:48:48,372 INFO L225 Difference]: With dead ends: 445 [2021-08-27 07:48:48,375 INFO L226 Difference]: Without dead ends: 444 [2021-08-27 07:48:48,375 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 14.1ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-27 07:48:48,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2021-08-27 07:48:48,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 425. [2021-08-27 07:48:48,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 324 states have (on average 1.3179012345679013) internal successors, (427), 330 states have internal predecessors, (427), 66 states have call successors, (66), 37 states have call predecessors, (66), 34 states have return successors, (70), 59 states have call predecessors, (70), 54 states have call successors, (70) [2021-08-27 07:48:48,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 563 transitions. [2021-08-27 07:48:48,414 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 563 transitions. Word has length 28 [2021-08-27 07:48:48,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:48:48,414 INFO L470 AbstractCegarLoop]: Abstraction has 425 states and 563 transitions. [2021-08-27 07:48:48,419 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 5 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2021-08-27 07:48:48,420 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 563 transitions. [2021-08-27 07:48:48,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-08-27 07:48:48,422 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:48:48,422 INFO L512 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] [2021-08-27 07:48:48,439 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-08-27 07:48:48,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 07:48:48,637 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:48:48,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:48:48,638 INFO L82 PathProgramCache]: Analyzing trace with hash 880923331, now seen corresponding path program 1 times [2021-08-27 07:48:48,639 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 07:48:48,639 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [802793430] [2021-08-27 07:48:48,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:48:48,639 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 07:48:48,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 07:48:48,642 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) [2021-08-27 07:48:48,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-08-27 07:48:48,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:48,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-27 07:48:48,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 07:48:49,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:48:49,001 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 07:48:49,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:48:49,107 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 07:48:49,107 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [802793430] [2021-08-27 07:48:49,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [802793430] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 07:48:49,108 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:48:49,108 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-08-27 07:48:49,108 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725153239] [2021-08-27 07:48:49,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-27 07:48:49,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 07:48:49,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 07:48:49,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 07:48:49,110 INFO L87 Difference]: Start difference. First operand 425 states and 563 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-08-27 07:48:49,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:48:49,137 INFO L93 Difference]: Finished difference Result 655 states and 871 transitions. [2021-08-27 07:48:49,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 07:48:49,139 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 30 [2021-08-27 07:48:49,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:48:49,143 INFO L225 Difference]: With dead ends: 655 [2021-08-27 07:48:49,143 INFO L226 Difference]: Without dead ends: 655 [2021-08-27 07:48:49,143 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 07:48:49,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2021-08-27 07:48:49,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 622. [2021-08-27 07:48:49,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 622 states, 484 states have (on average 1.3181818181818181) internal successors, (638), 487 states have internal predecessors, (638), 86 states have call successors, (86), 55 states have call predecessors, (86), 51 states have return successors, (107), 81 states have call predecessors, (107), 76 states have call successors, (107) [2021-08-27 07:48:49,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 831 transitions. [2021-08-27 07:48:49,162 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 831 transitions. Word has length 30 [2021-08-27 07:48:49,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:48:49,162 INFO L470 AbstractCegarLoop]: Abstraction has 622 states and 831 transitions. [2021-08-27 07:48:49,162 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-08-27 07:48:49,163 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 831 transitions. [2021-08-27 07:48:49,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-27 07:48:49,164 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:48:49,164 INFO L512 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] [2021-08-27 07:48:49,180 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-08-27 07:48:49,375 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 07:48:49,376 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:48:49,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:48:49,376 INFO L82 PathProgramCache]: Analyzing trace with hash 997790288, now seen corresponding path program 1 times [2021-08-27 07:48:49,377 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 07:48:49,377 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [761751799] [2021-08-27 07:48:49,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:48:49,377 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 07:48:49,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 07:48:49,378 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) [2021-08-27 07:48:49,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-08-27 07:48:49,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:49,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-27 07:48:49,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 07:48:49,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:48:49,809 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 07:48:49,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:48:49,969 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 07:48:49,969 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [761751799] [2021-08-27 07:48:49,969 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [761751799] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 07:48:49,969 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:48:49,969 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-08-27 07:48:49,970 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482194990] [2021-08-27 07:48:49,970 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-27 07:48:49,970 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 07:48:49,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 07:48:49,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 07:48:49,971 INFO L87 Difference]: Start difference. First operand 622 states and 831 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-08-27 07:48:50,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:48:50,029 INFO L93 Difference]: Finished difference Result 699 states and 925 transitions. [2021-08-27 07:48:50,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 07:48:50,030 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 34 [2021-08-27 07:48:50,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:48:50,038 INFO L225 Difference]: With dead ends: 699 [2021-08-27 07:48:50,038 INFO L226 Difference]: Without dead ends: 699 [2021-08-27 07:48:50,039 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 07:48:50,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2021-08-27 07:48:50,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 666. [2021-08-27 07:48:50,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 666 states, 522 states have (on average 1.3218390804597702) internal successors, (690), 531 states have internal predecessors, (690), 87 states have call successors, (87), 57 states have call predecessors, (87), 56 states have return successors, (112), 80 states have call predecessors, (112), 78 states have call successors, (112) [2021-08-27 07:48:50,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 889 transitions. [2021-08-27 07:48:50,077 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 889 transitions. Word has length 34 [2021-08-27 07:48:50,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:48:50,077 INFO L470 AbstractCegarLoop]: Abstraction has 666 states and 889 transitions. [2021-08-27 07:48:50,077 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-08-27 07:48:50,078 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 889 transitions. [2021-08-27 07:48:50,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-08-27 07:48:50,084 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:48:50,085 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:48:50,099 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-08-27 07:48:50,300 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 07:48:50,301 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:48:50,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:48:50,301 INFO L82 PathProgramCache]: Analyzing trace with hash 745640695, now seen corresponding path program 1 times [2021-08-27 07:48:50,302 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 07:48:50,302 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1481428461] [2021-08-27 07:48:50,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:48:50,302 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 07:48:50,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 07:48:50,303 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) [2021-08-27 07:48:50,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-08-27 07:48:50,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:50,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-27 07:48:50,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 07:48:50,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:48:50,796 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 07:48:50,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:48:50,963 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 07:48:50,963 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1481428461] [2021-08-27 07:48:50,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1481428461] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 07:48:50,963 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:48:50,963 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-08-27 07:48:50,964 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699607314] [2021-08-27 07:48:50,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-27 07:48:50,964 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 07:48:50,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-27 07:48:50,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-27 07:48:50,965 INFO L87 Difference]: Start difference. First operand 666 states and 889 transitions. Second operand has 8 states, 8 states have (on average 4.125) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2021-08-27 07:48:51,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:48:51,011 INFO L93 Difference]: Finished difference Result 690 states and 917 transitions. [2021-08-27 07:48:51,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-27 07:48:51,012 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.125) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) Word has length 41 [2021-08-27 07:48:51,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:48:51,016 INFO L225 Difference]: With dead ends: 690 [2021-08-27 07:48:51,016 INFO L226 Difference]: Without dead ends: 690 [2021-08-27 07:48:51,016 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 30.3ms TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-27 07:48:51,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2021-08-27 07:48:51,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 670. [2021-08-27 07:48:51,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 525 states have (on average 1.32) internal successors, (693), 534 states have internal predecessors, (693), 87 states have call successors, (87), 57 states have call predecessors, (87), 57 states have return successors, (113), 81 states have call predecessors, (113), 78 states have call successors, (113) [2021-08-27 07:48:51,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 893 transitions. [2021-08-27 07:48:51,034 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 893 transitions. Word has length 41 [2021-08-27 07:48:51,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:48:51,034 INFO L470 AbstractCegarLoop]: Abstraction has 670 states and 893 transitions. [2021-08-27 07:48:51,035 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.125) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2021-08-27 07:48:51,035 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 893 transitions. [2021-08-27 07:48:51,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-08-27 07:48:51,036 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:48:51,036 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:48:51,048 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-08-27 07:48:51,238 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 07:48:51,238 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:48:51,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:48:51,239 INFO L82 PathProgramCache]: Analyzing trace with hash 238427558, now seen corresponding path program 1 times [2021-08-27 07:48:51,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 07:48:51,239 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [485324806] [2021-08-27 07:48:51,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:48:51,239 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 07:48:51,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 07:48:51,240 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) [2021-08-27 07:48:51,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-08-27 07:48:51,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:51,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-27 07:48:51,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 07:48:51,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:48:51,744 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 07:48:51,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:48:51,891 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 07:48:51,891 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [485324806] [2021-08-27 07:48:51,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [485324806] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 07:48:51,892 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:48:51,892 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 3] imperfect sequences [] total 5 [2021-08-27 07:48:51,892 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989218634] [2021-08-27 07:48:51,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-27 07:48:51,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 07:48:51,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-27 07:48:51,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-27 07:48:51,894 INFO L87 Difference]: Start difference. First operand 670 states and 893 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 5 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-08-27 07:48:52,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:48:52,242 INFO L93 Difference]: Finished difference Result 682 states and 909 transitions. [2021-08-27 07:48:52,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-27 07:48:52,243 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 5 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 40 [2021-08-27 07:48:52,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:48:52,246 INFO L225 Difference]: With dead ends: 682 [2021-08-27 07:48:52,246 INFO L226 Difference]: Without dead ends: 682 [2021-08-27 07:48:52,246 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 10.1ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-27 07:48:52,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2021-08-27 07:48:52,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 681. [2021-08-27 07:48:52,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 681 states, 536 states have (on average 1.3190298507462686) internal successors, (707), 544 states have internal predecessors, (707), 87 states have call successors, (87), 58 states have call predecessors, (87), 57 states have return successors, (113), 81 states have call predecessors, (113), 78 states have call successors, (113) [2021-08-27 07:48:52,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 681 states and 907 transitions. [2021-08-27 07:48:52,263 INFO L78 Accepts]: Start accepts. Automaton has 681 states and 907 transitions. Word has length 40 [2021-08-27 07:48:52,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:48:52,264 INFO L470 AbstractCegarLoop]: Abstraction has 681 states and 907 transitions. [2021-08-27 07:48:52,264 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 5 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-08-27 07:48:52,264 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 907 transitions. [2021-08-27 07:48:52,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-08-27 07:48:52,265 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:48:52,265 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:48:52,280 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-08-27 07:48:52,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 07:48:52,478 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:48:52,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:48:52,478 INFO L82 PathProgramCache]: Analyzing trace with hash 1155197731, now seen corresponding path program 1 times [2021-08-27 07:48:52,478 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 07:48:52,479 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1850831557] [2021-08-27 07:48:52,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:48:52,479 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 07:48:52,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 07:48:52,480 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) [2021-08-27 07:48:52,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-08-27 07:48:52,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:52,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 07:48:52,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 07:48:52,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:48:52,925 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 07:48:53,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:48:53,082 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 07:48:53,082 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1850831557] [2021-08-27 07:48:53,082 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1850831557] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 07:48:53,082 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:48:53,082 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-08-27 07:48:53,083 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758103959] [2021-08-27 07:48:53,083 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-27 07:48:53,083 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 07:48:53,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 07:48:53,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 07:48:53,084 INFO L87 Difference]: Start difference. First operand 681 states and 907 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2021-08-27 07:48:53,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:48:53,180 INFO L93 Difference]: Finished difference Result 716 states and 950 transitions. [2021-08-27 07:48:53,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 07:48:53,181 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 41 [2021-08-27 07:48:53,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:48:53,185 INFO L225 Difference]: With dead ends: 716 [2021-08-27 07:48:53,186 INFO L226 Difference]: Without dead ends: 716 [2021-08-27 07:48:53,188 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 07:48:53,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2021-08-27 07:48:53,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 712. [2021-08-27 07:48:53,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 712 states, 565 states have (on average 1.3185840707964602) internal successors, (745), 572 states have internal predecessors, (745), 87 states have call successors, (87), 58 states have call predecessors, (87), 59 states have return successors, (115), 83 states have call predecessors, (115), 78 states have call successors, (115) [2021-08-27 07:48:53,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 712 states and 947 transitions. [2021-08-27 07:48:53,210 INFO L78 Accepts]: Start accepts. Automaton has 712 states and 947 transitions. Word has length 41 [2021-08-27 07:48:53,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:48:53,211 INFO L470 AbstractCegarLoop]: Abstraction has 712 states and 947 transitions. [2021-08-27 07:48:53,211 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2021-08-27 07:48:53,212 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 947 transitions. [2021-08-27 07:48:53,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-08-27 07:48:53,213 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:48:53,213 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:48:53,229 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-08-27 07:48:53,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 07:48:53,429 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:48:53,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:48:53,429 INFO L82 PathProgramCache]: Analyzing trace with hash 1904225145, now seen corresponding path program 1 times [2021-08-27 07:48:53,430 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 07:48:53,430 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [379484368] [2021-08-27 07:48:53,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:48:53,430 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 07:48:53,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 07:48:53,432 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) [2021-08-27 07:48:53,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-08-27 07:48:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:53,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 07:48:53,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 07:48:54,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:48:54,123 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 07:48:54,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:48:54,344 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 07:48:54,345 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [379484368] [2021-08-27 07:48:54,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [379484368] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 07:48:54,345 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:48:54,345 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-08-27 07:48:54,345 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743286296] [2021-08-27 07:48:54,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-27 07:48:54,346 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 07:48:54,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-27 07:48:54,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-27 07:48:54,347 INFO L87 Difference]: Start difference. First operand 712 states and 947 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 4 states have call successors, (10), 3 states have call predecessors, (10), 5 states have return successors, (9), 7 states have call predecessors, (9), 3 states have call successors, (9) [2021-08-27 07:48:54,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:48:54,786 INFO L93 Difference]: Finished difference Result 725 states and 958 transitions. [2021-08-27 07:48:54,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-27 07:48:54,787 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 4 states have call successors, (10), 3 states have call predecessors, (10), 5 states have return successors, (9), 7 states have call predecessors, (9), 3 states have call successors, (9) Word has length 42 [2021-08-27 07:48:54,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:48:54,790 INFO L225 Difference]: With dead ends: 725 [2021-08-27 07:48:54,790 INFO L226 Difference]: Without dead ends: 725 [2021-08-27 07:48:54,790 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 62.7ms TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-08-27 07:48:54,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2021-08-27 07:48:54,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 712. [2021-08-27 07:48:54,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 712 states, 565 states have (on average 1.3150442477876105) internal successors, (743), 572 states have internal predecessors, (743), 87 states have call successors, (87), 58 states have call predecessors, (87), 59 states have return successors, (115), 83 states have call predecessors, (115), 78 states have call successors, (115) [2021-08-27 07:48:54,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 712 states and 945 transitions. [2021-08-27 07:48:54,807 INFO L78 Accepts]: Start accepts. Automaton has 712 states and 945 transitions. Word has length 42 [2021-08-27 07:48:54,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:48:54,807 INFO L470 AbstractCegarLoop]: Abstraction has 712 states and 945 transitions. [2021-08-27 07:48:54,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 4 states have call successors, (10), 3 states have call predecessors, (10), 5 states have return successors, (9), 7 states have call predecessors, (9), 3 states have call successors, (9) [2021-08-27 07:48:54,807 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 945 transitions. [2021-08-27 07:48:54,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-08-27 07:48:54,808 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:48:54,808 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:48:54,824 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-08-27 07:48:55,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 07:48:55,024 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:48:55,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:48:55,025 INFO L82 PathProgramCache]: Analyzing trace with hash -1987582385, now seen corresponding path program 1 times [2021-08-27 07:48:55,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 07:48:55,025 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [131671812] [2021-08-27 07:48:55,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:48:55,025 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 07:48:55,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 07:48:55,026 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) [2021-08-27 07:48:55,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-08-27 07:48:55,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:55,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 07:48:55,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 07:48:55,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:48:55,711 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 07:48:55,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:48:55,946 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 07:48:55,946 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [131671812] [2021-08-27 07:48:55,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [131671812] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 07:48:55,947 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:48:55,947 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-08-27 07:48:55,947 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296962998] [2021-08-27 07:48:55,947 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-27 07:48:55,947 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 07:48:55,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-27 07:48:55,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-27 07:48:55,948 INFO L87 Difference]: Start difference. First operand 712 states and 945 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 4 states have call successors, (10), 3 states have call predecessors, (10), 5 states have return successors, (9), 7 states have call predecessors, (9), 3 states have call successors, (9) [2021-08-27 07:48:56,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:48:56,302 INFO L93 Difference]: Finished difference Result 718 states and 947 transitions. [2021-08-27 07:48:56,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-27 07:48:56,303 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 4 states have call successors, (10), 3 states have call predecessors, (10), 5 states have return successors, (9), 7 states have call predecessors, (9), 3 states have call successors, (9) Word has length 43 [2021-08-27 07:48:56,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:48:56,305 INFO L225 Difference]: With dead ends: 718 [2021-08-27 07:48:56,306 INFO L226 Difference]: Without dead ends: 718 [2021-08-27 07:48:56,306 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 49.1ms TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-08-27 07:48:56,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2021-08-27 07:48:56,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 712. [2021-08-27 07:48:56,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 712 states, 565 states have (on average 1.311504424778761) internal successors, (741), 572 states have internal predecessors, (741), 87 states have call successors, (87), 58 states have call predecessors, (87), 59 states have return successors, (115), 83 states have call predecessors, (115), 78 states have call successors, (115) [2021-08-27 07:48:56,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 712 states and 943 transitions. [2021-08-27 07:48:56,322 INFO L78 Accepts]: Start accepts. Automaton has 712 states and 943 transitions. Word has length 43 [2021-08-27 07:48:56,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:48:56,322 INFO L470 AbstractCegarLoop]: Abstraction has 712 states and 943 transitions. [2021-08-27 07:48:56,323 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 4 states have call successors, (10), 3 states have call predecessors, (10), 5 states have return successors, (9), 7 states have call predecessors, (9), 3 states have call successors, (9) [2021-08-27 07:48:56,323 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 943 transitions. [2021-08-27 07:48:56,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-08-27 07:48:56,324 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:48:56,324 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:48:56,343 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-08-27 07:48:56,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 07:48:56,536 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:48:56,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:48:56,537 INFO L82 PathProgramCache]: Analyzing trace with hash 1134491961, now seen corresponding path program 1 times [2021-08-27 07:48:56,537 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 07:48:56,537 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [621390623] [2021-08-27 07:48:56,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:48:56,537 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 07:48:56,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 07:48:56,538 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) [2021-08-27 07:48:56,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-08-27 07:48:56,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:56,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-27 07:48:56,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 07:48:57,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:48:57,315 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 07:48:57,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:48:57,516 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 07:48:57,516 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [621390623] [2021-08-27 07:48:57,516 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [621390623] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 07:48:57,516 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:48:57,516 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-08-27 07:48:57,516 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248344234] [2021-08-27 07:48:57,517 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-27 07:48:57,517 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 07:48:57,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-27 07:48:57,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-27 07:48:57,518 INFO L87 Difference]: Start difference. First operand 712 states and 943 transitions. Second operand has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 6 states have call successors, (12), 5 states have call predecessors, (12), 6 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2021-08-27 07:48:58,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:48:58,190 INFO L93 Difference]: Finished difference Result 957 states and 1269 transitions. [2021-08-27 07:48:58,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-27 07:48:58,190 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 6 states have call successors, (12), 5 states have call predecessors, (12), 6 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) Word has length 44 [2021-08-27 07:48:58,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:48:58,195 INFO L225 Difference]: With dead ends: 957 [2021-08-27 07:48:58,195 INFO L226 Difference]: Without dead ends: 957 [2021-08-27 07:48:58,195 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 47.9ms TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-08-27 07:48:58,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 957 states. [2021-08-27 07:48:58,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 957 to 769. [2021-08-27 07:48:58,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 769 states, 610 states have (on average 1.301639344262295) internal successors, (794), 618 states have internal predecessors, (794), 93 states have call successors, (93), 64 states have call predecessors, (93), 65 states have return successors, (127), 88 states have call predecessors, (127), 84 states have call successors, (127) [2021-08-27 07:48:58,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 1014 transitions. [2021-08-27 07:48:58,216 INFO L78 Accepts]: Start accepts. Automaton has 769 states and 1014 transitions. Word has length 44 [2021-08-27 07:48:58,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:48:58,217 INFO L470 AbstractCegarLoop]: Abstraction has 769 states and 1014 transitions. [2021-08-27 07:48:58,217 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 6 states have call successors, (12), 5 states have call predecessors, (12), 6 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2021-08-27 07:48:58,217 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 1014 transitions. [2021-08-27 07:48:58,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-08-27 07:48:58,218 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:48:58,218 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:48:58,233 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-08-27 07:48:58,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 07:48:58,431 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:48:58,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:48:58,432 INFO L82 PathProgramCache]: Analyzing trace with hash -1430364190, now seen corresponding path program 1 times [2021-08-27 07:48:58,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 07:48:58,432 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1369226410] [2021-08-27 07:48:58,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:48:58,432 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 07:48:58,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 07:48:58,433 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 07:48:58,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-08-27 07:48:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:48:58,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 07:48:58,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 07:48:59,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:48:59,045 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 07:48:59,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:48:59,221 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 07:48:59,221 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1369226410] [2021-08-27 07:48:59,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1369226410] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 07:48:59,221 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:48:59,222 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-08-27 07:48:59,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251373890] [2021-08-27 07:48:59,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-27 07:48:59,222 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 07:48:59,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-27 07:48:59,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-27 07:48:59,223 INFO L87 Difference]: Start difference. First operand 769 states and 1014 transitions. Second operand has 8 states, 8 states have (on average 5.625) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) [2021-08-27 07:48:59,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:48:59,294 INFO L93 Difference]: Finished difference Result 782 states and 1026 transitions. [2021-08-27 07:48:59,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-27 07:48:59,295 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) Word has length 44 [2021-08-27 07:48:59,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:48:59,298 INFO L225 Difference]: With dead ends: 782 [2021-08-27 07:48:59,298 INFO L226 Difference]: Without dead ends: 767 [2021-08-27 07:48:59,298 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 42.9ms TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-08-27 07:48:59,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2021-08-27 07:48:59,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 767. [2021-08-27 07:48:59,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 767 states, 609 states have (on average 1.3004926108374384) internal successors, (792), 617 states have internal predecessors, (792), 92 states have call successors, (92), 64 states have call predecessors, (92), 65 states have return successors, (126), 87 states have call predecessors, (126), 83 states have call successors, (126) [2021-08-27 07:48:59,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 767 states and 1010 transitions. [2021-08-27 07:48:59,318 INFO L78 Accepts]: Start accepts. Automaton has 767 states and 1010 transitions. Word has length 44 [2021-08-27 07:48:59,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:48:59,319 INFO L470 AbstractCegarLoop]: Abstraction has 767 states and 1010 transitions. [2021-08-27 07:48:59,319 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) [2021-08-27 07:48:59,319 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 1010 transitions. [2021-08-27 07:48:59,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-08-27 07:48:59,320 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:48:59,320 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:48:59,337 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-08-27 07:48:59,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 07:48:59,533 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:48:59,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:48:59,534 INFO L82 PathProgramCache]: Analyzing trace with hash 200933273, now seen corresponding path program 1 times [2021-08-27 07:48:59,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 07:48:59,534 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [686726087] [2021-08-27 07:48:59,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:48:59,535 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 07:48:59,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 07:48:59,535 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 07:48:59,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-08-27 07:49:00,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:49:00,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 07:49:00,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 07:49:00,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:00,201 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 07:49:00,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:00,365 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 07:49:00,365 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [686726087] [2021-08-27 07:49:00,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [686726087] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 07:49:00,365 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:49:00,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-08-27 07:49:00,366 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430761866] [2021-08-27 07:49:00,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-27 07:49:00,366 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 07:49:00,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-27 07:49:00,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-27 07:49:00,367 INFO L87 Difference]: Start difference. First operand 767 states and 1010 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 4 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2021-08-27 07:49:00,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:49:00,573 INFO L93 Difference]: Finished difference Result 563 states and 711 transitions. [2021-08-27 07:49:00,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-27 07:49:00,574 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 4 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) Word has length 49 [2021-08-27 07:49:00,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:49:00,576 INFO L225 Difference]: With dead ends: 563 [2021-08-27 07:49:00,576 INFO L226 Difference]: Without dead ends: 563 [2021-08-27 07:49:00,577 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 7.9ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-27 07:49:00,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2021-08-27 07:49:00,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 532. [2021-08-27 07:49:00,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 532 states, 422 states have (on average 1.2796208530805686) internal successors, (540), 431 states have internal predecessors, (540), 63 states have call successors, (63), 43 states have call predecessors, (63), 46 states have return successors, (70), 59 states have call predecessors, (70), 54 states have call successors, (70) [2021-08-27 07:49:00,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 673 transitions. [2021-08-27 07:49:00,587 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 673 transitions. Word has length 49 [2021-08-27 07:49:00,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:49:00,588 INFO L470 AbstractCegarLoop]: Abstraction has 532 states and 673 transitions. [2021-08-27 07:49:00,589 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 4 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2021-08-27 07:49:00,589 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 673 transitions. [2021-08-27 07:49:00,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-08-27 07:49:00,590 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:49:00,591 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:49:00,605 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-08-27 07:49:00,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 07:49:00,804 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:49:00,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:49:00,804 INFO L82 PathProgramCache]: Analyzing trace with hash 990627785, now seen corresponding path program 1 times [2021-08-27 07:49:00,805 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 07:49:00,805 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [167644682] [2021-08-27 07:49:00,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:49:00,805 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 07:49:00,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 07:49:00,806 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 07:49:00,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-08-27 07:49:01,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:49:01,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 07:49:01,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 07:49:01,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:01,522 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 07:49:01,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:01,688 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 07:49:01,688 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [167644682] [2021-08-27 07:49:01,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [167644682] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 07:49:01,688 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:49:01,688 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-08-27 07:49:01,688 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866874689] [2021-08-27 07:49:01,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-27 07:49:01,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 07:49:01,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 07:49:01,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 07:49:01,689 INFO L87 Difference]: Start difference. First operand 532 states and 673 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2021-08-27 07:49:01,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:49:01,758 INFO L93 Difference]: Finished difference Result 540 states and 684 transitions. [2021-08-27 07:49:01,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 07:49:01,759 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 55 [2021-08-27 07:49:01,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:49:01,761 INFO L225 Difference]: With dead ends: 540 [2021-08-27 07:49:01,762 INFO L226 Difference]: Without dead ends: 540 [2021-08-27 07:49:01,762 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 07:49:01,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2021-08-27 07:49:01,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 540. [2021-08-27 07:49:01,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 430 states have (on average 1.2813953488372094) internal successors, (551), 438 states have internal predecessors, (551), 63 states have call successors, (63), 43 states have call predecessors, (63), 46 states have return successors, (70), 59 states have call predecessors, (70), 54 states have call successors, (70) [2021-08-27 07:49:01,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 684 transitions. [2021-08-27 07:49:01,772 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 684 transitions. Word has length 55 [2021-08-27 07:49:01,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:49:01,773 INFO L470 AbstractCegarLoop]: Abstraction has 540 states and 684 transitions. [2021-08-27 07:49:01,773 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2021-08-27 07:49:01,773 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 684 transitions. [2021-08-27 07:49:01,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-08-27 07:49:01,774 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:49:01,774 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:49:01,789 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-08-27 07:49:01,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 07:49:01,988 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:49:01,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:49:01,989 INFO L82 PathProgramCache]: Analyzing trace with hash 1272827596, now seen corresponding path program 1 times [2021-08-27 07:49:01,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 07:49:01,989 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1425509133] [2021-08-27 07:49:01,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:49:01,990 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 07:49:01,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 07:49:01,990 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 07:49:01,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-08-27 07:49:02,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:49:02,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-27 07:49:02,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 07:49:02,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:02,920 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 07:49:03,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:03,238 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 07:49:03,238 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1425509133] [2021-08-27 07:49:03,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1425509133] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 07:49:03,238 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:49:03,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 7] imperfect sequences [] total 11 [2021-08-27 07:49:03,239 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099409610] [2021-08-27 07:49:03,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-08-27 07:49:03,241 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 07:49:03,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-27 07:49:03,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-08-27 07:49:03,242 INFO L87 Difference]: Start difference. First operand 540 states and 684 transitions. Second operand has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 6 states have call successors, (10), 5 states have call predecessors, (10), 7 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2021-08-27 07:49:04,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:49:04,460 INFO L93 Difference]: Finished difference Result 740 states and 934 transitions. [2021-08-27 07:49:04,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-27 07:49:04,461 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 6 states have call successors, (10), 5 states have call predecessors, (10), 7 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 52 [2021-08-27 07:49:04,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:49:04,464 INFO L225 Difference]: With dead ends: 740 [2021-08-27 07:49:04,464 INFO L226 Difference]: Without dead ends: 740 [2021-08-27 07:49:04,464 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 166.0ms TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2021-08-27 07:49:04,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2021-08-27 07:49:04,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 592. [2021-08-27 07:49:04,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 592 states, 470 states have (on average 1.2702127659574467) internal successors, (597), 481 states have internal predecessors, (597), 67 states have call successors, (67), 46 states have call predecessors, (67), 54 states have return successors, (82), 65 states have call predecessors, (82), 58 states have call successors, (82) [2021-08-27 07:49:04,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 746 transitions. [2021-08-27 07:49:04,477 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 746 transitions. Word has length 52 [2021-08-27 07:49:04,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:49:04,477 INFO L470 AbstractCegarLoop]: Abstraction has 592 states and 746 transitions. [2021-08-27 07:49:04,477 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 6 states have call successors, (10), 5 states have call predecessors, (10), 7 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2021-08-27 07:49:04,477 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 746 transitions. [2021-08-27 07:49:04,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-08-27 07:49:04,478 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:49:04,479 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:49:04,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-08-27 07:49:04,691 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 07:49:04,692 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:49:04,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:49:04,692 INFO L82 PathProgramCache]: Analyzing trace with hash -539078543, now seen corresponding path program 1 times [2021-08-27 07:49:04,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 07:49:04,693 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1755722613] [2021-08-27 07:49:04,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:49:04,693 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 07:49:04,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 07:49:04,694 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 07:49:04,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-08-27 07:49:05,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:49:05,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 07:49:05,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 07:49:05,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:05,457 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 07:49:05,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:05,600 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 07:49:05,600 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1755722613] [2021-08-27 07:49:05,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1755722613] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 07:49:05,600 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:49:05,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-08-27 07:49:05,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633252621] [2021-08-27 07:49:05,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-27 07:49:05,601 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 07:49:05,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 07:49:05,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 07:49:05,602 INFO L87 Difference]: Start difference. First operand 592 states and 746 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2021-08-27 07:49:05,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:49:05,707 INFO L93 Difference]: Finished difference Result 731 states and 922 transitions. [2021-08-27 07:49:05,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 07:49:05,708 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 54 [2021-08-27 07:49:05,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:49:05,712 INFO L225 Difference]: With dead ends: 731 [2021-08-27 07:49:05,712 INFO L226 Difference]: Without dead ends: 731 [2021-08-27 07:49:05,713 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 07:49:05,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2021-08-27 07:49:05,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 667. [2021-08-27 07:49:05,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 667 states, 534 states have (on average 1.2659176029962547) internal successors, (676), 541 states have internal predecessors, (676), 70 states have call successors, (70), 49 states have call predecessors, (70), 62 states have return successors, (96), 77 states have call predecessors, (96), 61 states have call successors, (96) [2021-08-27 07:49:05,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 842 transitions. [2021-08-27 07:49:05,740 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 842 transitions. Word has length 54 [2021-08-27 07:49:05,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:49:05,741 INFO L470 AbstractCegarLoop]: Abstraction has 667 states and 842 transitions. [2021-08-27 07:49:05,741 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2021-08-27 07:49:05,741 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 842 transitions. [2021-08-27 07:49:05,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-08-27 07:49:05,744 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:49:05,744 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:49:05,759 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-08-27 07:49:05,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 07:49:05,957 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:49:05,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:49:05,958 INFO L82 PathProgramCache]: Analyzing trace with hash 905990001, now seen corresponding path program 1 times [2021-08-27 07:49:05,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 07:49:05,958 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [15720475] [2021-08-27 07:49:05,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:49:05,958 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 07:49:05,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 07:49:05,959 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 07:49:05,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-08-27 07:49:06,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:49:06,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-27 07:49:06,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 07:49:06,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:06,957 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 07:49:07,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:07,296 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 07:49:07,297 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [15720475] [2021-08-27 07:49:07,297 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [15720475] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 07:49:07,297 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:49:07,297 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 7] imperfect sequences [] total 11 [2021-08-27 07:49:07,297 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472200879] [2021-08-27 07:49:07,298 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-08-27 07:49:07,298 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 07:49:07,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-27 07:49:07,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-08-27 07:49:07,299 INFO L87 Difference]: Start difference. First operand 667 states and 842 transitions. Second operand has 11 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 6 states have call successors, (10), 5 states have call predecessors, (10), 7 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2021-08-27 07:49:07,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:49:07,905 INFO L93 Difference]: Finished difference Result 633 states and 790 transitions. [2021-08-27 07:49:07,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-27 07:49:07,905 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 6 states have call successors, (10), 5 states have call predecessors, (10), 7 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 54 [2021-08-27 07:49:07,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:49:07,908 INFO L225 Difference]: With dead ends: 633 [2021-08-27 07:49:07,908 INFO L226 Difference]: Without dead ends: 633 [2021-08-27 07:49:07,908 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 124.5ms TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2021-08-27 07:49:07,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2021-08-27 07:49:07,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 580. [2021-08-27 07:49:07,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 580 states, 461 states have (on average 1.262472885032538) internal successors, (582), 473 states have internal predecessors, (582), 65 states have call successors, (65), 45 states have call predecessors, (65), 53 states have return successors, (80), 62 states have call predecessors, (80), 57 states have call successors, (80) [2021-08-27 07:49:07,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 727 transitions. [2021-08-27 07:49:07,922 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 727 transitions. Word has length 54 [2021-08-27 07:49:07,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:49:07,922 INFO L470 AbstractCegarLoop]: Abstraction has 580 states and 727 transitions. [2021-08-27 07:49:07,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 6 states have call successors, (10), 5 states have call predecessors, (10), 7 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2021-08-27 07:49:07,923 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 727 transitions. [2021-08-27 07:49:07,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-08-27 07:49:07,924 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:49:07,924 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:49:07,947 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-08-27 07:49:08,137 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 07:49:08,137 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:49:08,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:49:08,139 INFO L82 PathProgramCache]: Analyzing trace with hash -210511565, now seen corresponding path program 1 times [2021-08-27 07:49:08,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 07:49:08,139 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1419739179] [2021-08-27 07:49:08,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:49:08,140 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 07:49:08,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 07:49:08,141 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 07:49:08,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-08-27 07:49:08,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:49:08,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-27 07:49:08,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 07:49:09,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:09,037 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 07:49:09,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:09,210 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 07:49:09,210 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1419739179] [2021-08-27 07:49:09,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1419739179] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 07:49:09,210 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:49:09,210 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-08-27 07:49:09,212 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477701546] [2021-08-27 07:49:09,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-27 07:49:09,214 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 07:49:09,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-27 07:49:09,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-27 07:49:09,215 INFO L87 Difference]: Start difference. First operand 580 states and 727 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) [2021-08-27 07:49:09,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:49:09,225 INFO L93 Difference]: Finished difference Result 515 states and 637 transitions. [2021-08-27 07:49:09,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-27 07:49:09,226 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) Word has length 61 [2021-08-27 07:49:09,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:49:09,228 INFO L225 Difference]: With dead ends: 515 [2021-08-27 07:49:09,228 INFO L226 Difference]: Without dead ends: 515 [2021-08-27 07:49:09,229 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.9ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-27 07:49:09,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2021-08-27 07:49:09,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 515. [2021-08-27 07:49:09,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 406 states have (on average 1.2463054187192117) internal successors, (506), 415 states have internal predecessors, (506), 61 states have call successors, (61), 43 states have call predecessors, (61), 47 states have return successors, (70), 57 states have call predecessors, (70), 54 states have call successors, (70) [2021-08-27 07:49:09,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 637 transitions. [2021-08-27 07:49:09,240 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 637 transitions. Word has length 61 [2021-08-27 07:49:09,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:49:09,240 INFO L470 AbstractCegarLoop]: Abstraction has 515 states and 637 transitions. [2021-08-27 07:49:09,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) [2021-08-27 07:49:09,241 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 637 transitions. [2021-08-27 07:49:09,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-08-27 07:49:09,242 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:49:09,242 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:49:09,259 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-08-27 07:49:09,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 07:49:09,460 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:49:09,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:49:09,461 INFO L82 PathProgramCache]: Analyzing trace with hash 921268203, now seen corresponding path program 1 times [2021-08-27 07:49:09,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 07:49:09,461 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [472104288] [2021-08-27 07:49:09,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:49:09,461 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 07:49:09,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 07:49:09,462 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 07:49:09,469 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-08-27 07:49:10,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:49:10,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 07:49:10,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 07:49:10,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:10,519 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 07:49:10,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:10,737 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 07:49:10,737 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [472104288] [2021-08-27 07:49:10,737 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [472104288] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 07:49:10,737 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:49:10,737 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-08-27 07:49:10,737 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709482137] [2021-08-27 07:49:10,738 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-27 07:49:10,738 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 07:49:10,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-27 07:49:10,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-27 07:49:10,739 INFO L87 Difference]: Start difference. First operand 515 states and 637 transitions. Second operand has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 4 states have call successors, (10), 3 states have call predecessors, (10), 5 states have return successors, (9), 7 states have call predecessors, (9), 3 states have call successors, (9) [2021-08-27 07:49:10,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:49:10,955 INFO L93 Difference]: Finished difference Result 519 states and 639 transitions. [2021-08-27 07:49:10,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-27 07:49:10,956 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 4 states have call successors, (10), 3 states have call predecessors, (10), 5 states have return successors, (9), 7 states have call predecessors, (9), 3 states have call successors, (9) Word has length 55 [2021-08-27 07:49:10,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:49:10,957 INFO L225 Difference]: With dead ends: 519 [2021-08-27 07:49:10,957 INFO L226 Difference]: Without dead ends: 519 [2021-08-27 07:49:10,958 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 40.5ms TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-08-27 07:49:10,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2021-08-27 07:49:10,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 515. [2021-08-27 07:49:10,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 406 states have (on average 1.2438423645320198) internal successors, (505), 415 states have internal predecessors, (505), 61 states have call successors, (61), 43 states have call predecessors, (61), 47 states have return successors, (70), 57 states have call predecessors, (70), 54 states have call successors, (70) [2021-08-27 07:49:10,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 636 transitions. [2021-08-27 07:49:10,967 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 636 transitions. Word has length 55 [2021-08-27 07:49:10,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:49:10,968 INFO L470 AbstractCegarLoop]: Abstraction has 515 states and 636 transitions. [2021-08-27 07:49:10,968 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 4 states have call successors, (10), 3 states have call predecessors, (10), 5 states have return successors, (9), 7 states have call predecessors, (9), 3 states have call successors, (9) [2021-08-27 07:49:10,968 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 636 transitions. [2021-08-27 07:49:10,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-08-27 07:49:10,969 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:49:10,969 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:49:10,987 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-08-27 07:49:11,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 07:49:11,183 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:49:11,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:49:11,183 INFO L82 PathProgramCache]: Analyzing trace with hash 921545033, now seen corresponding path program 1 times [2021-08-27 07:49:11,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 07:49:11,183 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1768023543] [2021-08-27 07:49:11,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:49:11,183 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 07:49:11,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 07:49:11,184 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 07:49:11,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-08-27 07:49:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:49:11,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-27 07:49:11,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 07:49:12,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:12,173 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 07:49:12,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:12,474 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 07:49:12,474 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1768023543] [2021-08-27 07:49:12,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1768023543] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 07:49:12,475 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:49:12,475 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 8] imperfect sequences [] total 15 [2021-08-27 07:49:12,475 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097660392] [2021-08-27 07:49:12,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-08-27 07:49:12,475 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 07:49:12,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-27 07:49:12,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-08-27 07:49:12,476 INFO L87 Difference]: Start difference. First operand 515 states and 636 transitions. Second operand has 15 states, 15 states have (on average 4.0) internal successors, (60), 11 states have internal predecessors, (60), 2 states have call successors, (7), 2 states have call predecessors, (7), 5 states have return successors, (7), 5 states have call predecessors, (7), 1 states have call successors, (7) [2021-08-27 07:49:12,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:49:12,774 INFO L93 Difference]: Finished difference Result 559 states and 690 transitions. [2021-08-27 07:49:12,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-27 07:49:12,775 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.0) internal successors, (60), 11 states have internal predecessors, (60), 2 states have call successors, (7), 2 states have call predecessors, (7), 5 states have return successors, (7), 5 states have call predecessors, (7), 1 states have call successors, (7) Word has length 55 [2021-08-27 07:49:12,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:49:12,777 INFO L225 Difference]: With dead ends: 559 [2021-08-27 07:49:12,777 INFO L226 Difference]: Without dead ends: 532 [2021-08-27 07:49:12,777 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 154.1ms TimeCoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2021-08-27 07:49:12,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2021-08-27 07:49:12,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 514. [2021-08-27 07:49:12,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 406 states have (on average 1.2438423645320198) internal successors, (505), 415 states have internal predecessors, (505), 60 states have call successors, (60), 43 states have call predecessors, (60), 47 states have return successors, (69), 56 states have call predecessors, (69), 53 states have call successors, (69) [2021-08-27 07:49:12,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 634 transitions. [2021-08-27 07:49:12,792 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 634 transitions. Word has length 55 [2021-08-27 07:49:12,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:49:12,792 INFO L470 AbstractCegarLoop]: Abstraction has 514 states and 634 transitions. [2021-08-27 07:49:12,792 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.0) internal successors, (60), 11 states have internal predecessors, (60), 2 states have call successors, (7), 2 states have call predecessors, (7), 5 states have return successors, (7), 5 states have call predecessors, (7), 1 states have call successors, (7) [2021-08-27 07:49:12,793 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 634 transitions. [2021-08-27 07:49:12,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-08-27 07:49:12,794 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:49:12,794 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:49:12,807 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-08-27 07:49:13,007 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 07:49:13,007 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:49:13,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:49:13,008 INFO L82 PathProgramCache]: Analyzing trace with hash 1859523861, now seen corresponding path program 1 times [2021-08-27 07:49:13,008 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 07:49:13,008 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1448855248] [2021-08-27 07:49:13,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:49:13,008 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 07:49:13,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 07:49:13,009 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 07:49:13,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-08-27 07:49:13,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:49:13,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-27 07:49:13,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 07:49:14,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:14,016 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 07:49:14,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:14,352 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 07:49:14,352 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1448855248] [2021-08-27 07:49:14,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1448855248] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 07:49:14,352 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:49:14,352 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 7] imperfect sequences [] total 10 [2021-08-27 07:49:14,352 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206763064] [2021-08-27 07:49:14,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-27 07:49:14,353 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 07:49:14,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-27 07:49:14,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-08-27 07:49:14,354 INFO L87 Difference]: Start difference. First operand 514 states and 634 transitions. Second operand has 10 states, 10 states have (on average 6.4) internal successors, (64), 10 states have internal predecessors, (64), 5 states have call successors, (13), 6 states have call predecessors, (13), 6 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2021-08-27 07:49:15,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:49:15,852 INFO L93 Difference]: Finished difference Result 795 states and 985 transitions. [2021-08-27 07:49:15,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-27 07:49:15,853 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.4) internal successors, (64), 10 states have internal predecessors, (64), 5 states have call successors, (13), 6 states have call predecessors, (13), 6 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 57 [2021-08-27 07:49:15,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:49:15,855 INFO L225 Difference]: With dead ends: 795 [2021-08-27 07:49:15,855 INFO L226 Difference]: Without dead ends: 621 [2021-08-27 07:49:15,855 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 133.6ms TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2021-08-27 07:49:15,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2021-08-27 07:49:15,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 563. [2021-08-27 07:49:15,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 563 states, 444 states have (on average 1.231981981981982) internal successors, (547), 455 states have internal predecessors, (547), 69 states have call successors, (69), 43 states have call predecessors, (69), 49 states have return successors, (78), 65 states have call predecessors, (78), 60 states have call successors, (78) [2021-08-27 07:49:15,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 694 transitions. [2021-08-27 07:49:15,876 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 694 transitions. Word has length 57 [2021-08-27 07:49:15,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:49:15,876 INFO L470 AbstractCegarLoop]: Abstraction has 563 states and 694 transitions. [2021-08-27 07:49:15,876 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.4) internal successors, (64), 10 states have internal predecessors, (64), 5 states have call successors, (13), 6 states have call predecessors, (13), 6 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2021-08-27 07:49:15,877 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 694 transitions. [2021-08-27 07:49:15,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-08-27 07:49:15,879 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:49:15,879 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:49:15,895 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-08-27 07:49:16,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 07:49:16,092 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:49:16,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:49:16,093 INFO L82 PathProgramCache]: Analyzing trace with hash -847095533, now seen corresponding path program 1 times [2021-08-27 07:49:16,093 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 07:49:16,093 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1519867166] [2021-08-27 07:49:16,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:49:16,093 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 07:49:16,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 07:49:16,095 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 07:49:16,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-08-27 07:49:16,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:49:16,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-27 07:49:16,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 07:49:17,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:17,098 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 07:49:17,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:17,325 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 07:49:17,325 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1519867166] [2021-08-27 07:49:17,325 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1519867166] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 07:49:17,325 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:49:17,326 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-08-27 07:49:17,326 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380725915] [2021-08-27 07:49:17,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-27 07:49:17,326 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 07:49:17,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-27 07:49:17,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-08-27 07:49:17,329 INFO L87 Difference]: Start difference. First operand 563 states and 694 transitions. Second operand has 10 states, 10 states have (on average 5.9) internal successors, (59), 8 states have internal predecessors, (59), 4 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 3 states have call successors, (8) [2021-08-27 07:49:17,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:49:17,442 INFO L93 Difference]: Finished difference Result 581 states and 711 transitions. [2021-08-27 07:49:17,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-27 07:49:17,443 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 8 states have internal predecessors, (59), 4 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 3 states have call successors, (8) Word has length 57 [2021-08-27 07:49:17,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:49:17,445 INFO L225 Difference]: With dead ends: 581 [2021-08-27 07:49:17,445 INFO L226 Difference]: Without dead ends: 549 [2021-08-27 07:49:17,445 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 66.0ms TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-08-27 07:49:17,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2021-08-27 07:49:17,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 547. [2021-08-27 07:49:17,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 433 states have (on average 1.2263279445727482) internal successors, (531), 443 states have internal predecessors, (531), 67 states have call successors, (67), 42 states have call predecessors, (67), 46 states have return successors, (74), 62 states have call predecessors, (74), 58 states have call successors, (74) [2021-08-27 07:49:17,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 672 transitions. [2021-08-27 07:49:17,456 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 672 transitions. Word has length 57 [2021-08-27 07:49:17,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:49:17,456 INFO L470 AbstractCegarLoop]: Abstraction has 547 states and 672 transitions. [2021-08-27 07:49:17,456 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 8 states have internal predecessors, (59), 4 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 3 states have call successors, (8) [2021-08-27 07:49:17,456 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 672 transitions. [2021-08-27 07:49:17,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-08-27 07:49:17,458 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:49:17,458 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:49:17,475 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-08-27 07:49:17,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 07:49:17,671 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:49:17,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:49:17,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1089805532, now seen corresponding path program 1 times [2021-08-27 07:49:17,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 07:49:17,672 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1481979285] [2021-08-27 07:49:17,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:49:17,672 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 07:49:17,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 07:49:17,673 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 07:49:17,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-08-27 07:49:18,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:49:18,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-27 07:49:18,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 07:49:18,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:18,727 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 07:49:18,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:18,899 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 07:49:18,899 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1481979285] [2021-08-27 07:49:18,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1481979285] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 07:49:18,900 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:49:18,900 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-08-27 07:49:18,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551698719] [2021-08-27 07:49:18,900 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-27 07:49:18,900 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 07:49:18,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-27 07:49:18,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-27 07:49:18,901 INFO L87 Difference]: Start difference. First operand 547 states and 672 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2021-08-27 07:49:19,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:49:19,072 INFO L93 Difference]: Finished difference Result 613 states and 735 transitions. [2021-08-27 07:49:19,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-27 07:49:19,073 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 65 [2021-08-27 07:49:19,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:49:19,075 INFO L225 Difference]: With dead ends: 613 [2021-08-27 07:49:19,076 INFO L226 Difference]: Without dead ends: 603 [2021-08-27 07:49:19,076 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.9ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-27 07:49:19,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2021-08-27 07:49:19,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 566. [2021-08-27 07:49:19,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 453 states have (on average 1.216335540838852) internal successors, (551), 461 states have internal predecessors, (551), 62 states have call successors, (62), 46 states have call predecessors, (62), 50 states have return successors, (71), 59 states have call predecessors, (71), 55 states have call successors, (71) [2021-08-27 07:49:19,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 684 transitions. [2021-08-27 07:49:19,086 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 684 transitions. Word has length 65 [2021-08-27 07:49:19,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:49:19,087 INFO L470 AbstractCegarLoop]: Abstraction has 566 states and 684 transitions. [2021-08-27 07:49:19,087 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2021-08-27 07:49:19,087 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 684 transitions. [2021-08-27 07:49:19,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-08-27 07:49:19,088 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:49:19,088 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:49:19,104 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (24)] Ended with exit code 0 [2021-08-27 07:49:19,302 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 07:49:19,302 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:49:19,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:49:19,302 INFO L82 PathProgramCache]: Analyzing trace with hash 196319194, now seen corresponding path program 1 times [2021-08-27 07:49:19,303 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 07:49:19,303 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [937372657] [2021-08-27 07:49:19,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:49:19,303 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 07:49:19,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 07:49:19,303 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 07:49:19,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2021-08-27 07:49:20,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:49:20,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 07:49:20,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 07:49:20,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:20,651 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 07:49:20,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:20,920 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 07:49:20,920 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [937372657] [2021-08-27 07:49:20,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [937372657] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 07:49:20,920 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:49:20,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 7 [2021-08-27 07:49:20,920 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309032735] [2021-08-27 07:49:20,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-27 07:49:20,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 07:49:20,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-27 07:49:20,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-08-27 07:49:20,921 INFO L87 Difference]: Start difference. First operand 566 states and 684 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 4 states have call successors, (17), 4 states have call predecessors, (17), 7 states have return successors, (13), 6 states have call predecessors, (13), 3 states have call successors, (13) [2021-08-27 07:49:21,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:49:21,209 INFO L93 Difference]: Finished difference Result 587 states and 705 transitions. [2021-08-27 07:49:21,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-27 07:49:21,209 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 4 states have call successors, (17), 4 states have call predecessors, (17), 7 states have return successors, (13), 6 states have call predecessors, (13), 3 states have call successors, (13) Word has length 65 [2021-08-27 07:49:21,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:49:21,212 INFO L225 Difference]: With dead ends: 587 [2021-08-27 07:49:21,212 INFO L226 Difference]: Without dead ends: 587 [2021-08-27 07:49:21,212 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 39.6ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-27 07:49:21,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2021-08-27 07:49:21,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 566. [2021-08-27 07:49:21,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 453 states have (on average 1.2119205298013245) internal successors, (549), 461 states have internal predecessors, (549), 62 states have call successors, (62), 46 states have call predecessors, (62), 50 states have return successors, (71), 59 states have call predecessors, (71), 55 states have call successors, (71) [2021-08-27 07:49:21,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 682 transitions. [2021-08-27 07:49:21,223 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 682 transitions. Word has length 65 [2021-08-27 07:49:21,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:49:21,224 INFO L470 AbstractCegarLoop]: Abstraction has 566 states and 682 transitions. [2021-08-27 07:49:21,224 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 4 states have call successors, (17), 4 states have call predecessors, (17), 7 states have return successors, (13), 6 states have call predecessors, (13), 3 states have call successors, (13) [2021-08-27 07:49:21,224 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 682 transitions. [2021-08-27 07:49:21,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-08-27 07:49:21,225 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:49:21,226 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:49:21,242 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2021-08-27 07:49:21,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 07:49:21,439 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:49:21,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:49:21,440 INFO L82 PathProgramCache]: Analyzing trace with hash 192909972, now seen corresponding path program 1 times [2021-08-27 07:49:21,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 07:49:21,440 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2064256977] [2021-08-27 07:49:21,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:49:21,440 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 07:49:21,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 07:49:21,441 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 07:49:21,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2021-08-27 07:49:22,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:49:22,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-27 07:49:22,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 07:49:22,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:22,559 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 07:49:22,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:22,721 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 07:49:22,721 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2064256977] [2021-08-27 07:49:22,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2064256977] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 07:49:22,721 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:49:22,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-08-27 07:49:22,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812102911] [2021-08-27 07:49:22,721 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-27 07:49:22,721 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 07:49:22,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-27 07:49:22,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-27 07:49:22,722 INFO L87 Difference]: Start difference. First operand 566 states and 682 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2021-08-27 07:49:22,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:49:22,742 INFO L93 Difference]: Finished difference Result 543 states and 654 transitions. [2021-08-27 07:49:22,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-27 07:49:22,742 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 59 [2021-08-27 07:49:22,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:49:22,744 INFO L225 Difference]: With dead ends: 543 [2021-08-27 07:49:22,745 INFO L226 Difference]: Without dead ends: 543 [2021-08-27 07:49:22,745 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.5ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-27 07:49:22,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2021-08-27 07:49:22,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 538. [2021-08-27 07:49:22,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 430 states have (on average 1.2116279069767442) internal successors, (521), 438 states have internal predecessors, (521), 60 states have call successors, (60), 44 states have call predecessors, (60), 47 states have return successors, (68), 56 states have call predecessors, (68), 53 states have call successors, (68) [2021-08-27 07:49:22,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 649 transitions. [2021-08-27 07:49:22,754 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 649 transitions. Word has length 59 [2021-08-27 07:49:22,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:49:22,755 INFO L470 AbstractCegarLoop]: Abstraction has 538 states and 649 transitions. [2021-08-27 07:49:22,755 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2021-08-27 07:49:22,755 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 649 transitions. [2021-08-27 07:49:22,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-08-27 07:49:22,756 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:49:22,756 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:49:22,776 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2021-08-27 07:49:22,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 07:49:22,970 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:49:22,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:49:22,970 INFO L82 PathProgramCache]: Analyzing trace with hash -495774537, now seen corresponding path program 1 times [2021-08-27 07:49:22,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 07:49:22,971 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1151813181] [2021-08-27 07:49:22,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:49:22,971 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 07:49:22,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 07:49:22,971 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 07:49:22,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2021-08-27 07:49:23,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:49:23,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-27 07:49:23,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 07:49:24,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:24,246 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 07:49:24,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:24,566 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 07:49:24,566 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1151813181] [2021-08-27 07:49:24,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1151813181] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 07:49:24,566 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:49:24,566 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 9] imperfect sequences [] total 17 [2021-08-27 07:49:24,566 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130715417] [2021-08-27 07:49:24,567 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-08-27 07:49:24,567 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 07:49:24,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-08-27 07:49:24,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2021-08-27 07:49:24,568 INFO L87 Difference]: Start difference. First operand 538 states and 649 transitions. Second operand has 17 states, 17 states have (on average 4.0) internal successors, (68), 13 states have internal predecessors, (68), 2 states have call successors, (7), 2 states have call predecessors, (7), 5 states have return successors, (7), 5 states have call predecessors, (7), 1 states have call successors, (7) [2021-08-27 07:49:24,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:49:24,925 INFO L93 Difference]: Finished difference Result 594 states and 709 transitions. [2021-08-27 07:49:24,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-27 07:49:24,926 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.0) internal successors, (68), 13 states have internal predecessors, (68), 2 states have call successors, (7), 2 states have call predecessors, (7), 5 states have return successors, (7), 5 states have call predecessors, (7), 1 states have call successors, (7) Word has length 60 [2021-08-27 07:49:24,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:49:24,928 INFO L225 Difference]: With dead ends: 594 [2021-08-27 07:49:24,928 INFO L226 Difference]: Without dead ends: 561 [2021-08-27 07:49:24,928 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 200.2ms TimeCoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420 [2021-08-27 07:49:24,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2021-08-27 07:49:24,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 534. [2021-08-27 07:49:24,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 427 states have (on average 1.2107728337236534) internal successors, (517), 435 states have internal predecessors, (517), 59 states have call successors, (59), 44 states have call predecessors, (59), 47 states have return successors, (67), 55 states have call predecessors, (67), 52 states have call successors, (67) [2021-08-27 07:49:24,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 643 transitions. [2021-08-27 07:49:24,939 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 643 transitions. Word has length 60 [2021-08-27 07:49:24,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:49:24,939 INFO L470 AbstractCegarLoop]: Abstraction has 534 states and 643 transitions. [2021-08-27 07:49:24,940 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.0) internal successors, (68), 13 states have internal predecessors, (68), 2 states have call successors, (7), 2 states have call predecessors, (7), 5 states have return successors, (7), 5 states have call predecessors, (7), 1 states have call successors, (7) [2021-08-27 07:49:24,940 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 643 transitions. [2021-08-27 07:49:24,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-08-27 07:49:24,941 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:49:24,941 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:49:24,957 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2021-08-27 07:49:25,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 07:49:25,155 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:49:25,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:49:25,155 INFO L82 PathProgramCache]: Analyzing trace with hash 1781976354, now seen corresponding path program 1 times [2021-08-27 07:49:25,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 07:49:25,155 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [692834974] [2021-08-27 07:49:25,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:49:25,155 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 07:49:25,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 07:49:25,157 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 07:49:25,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2021-08-27 07:49:26,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:49:26,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 07:49:26,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 07:49:26,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:26,398 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 07:49:26,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:26,554 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 07:49:26,554 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [692834974] [2021-08-27 07:49:26,554 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [692834974] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 07:49:26,554 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:49:26,554 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-08-27 07:49:26,554 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512831862] [2021-08-27 07:49:26,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-27 07:49:26,555 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 07:49:26,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-27 07:49:26,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-27 07:49:26,556 INFO L87 Difference]: Start difference. First operand 534 states and 643 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, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2021-08-27 07:49:26,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:49:26,578 INFO L93 Difference]: Finished difference Result 588 states and 704 transitions. [2021-08-27 07:49:26,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-27 07:49:26,588 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, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) Word has length 68 [2021-08-27 07:49:26,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:49:26,590 INFO L225 Difference]: With dead ends: 588 [2021-08-27 07:49:26,590 INFO L226 Difference]: Without dead ends: 588 [2021-08-27 07:49:26,590 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-27 07:49:26,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2021-08-27 07:49:26,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 534. [2021-08-27 07:49:26,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 427 states have (on average 1.2107728337236534) internal successors, (517), 435 states have internal predecessors, (517), 59 states have call successors, (59), 44 states have call predecessors, (59), 47 states have return successors, (67), 55 states have call predecessors, (67), 52 states have call successors, (67) [2021-08-27 07:49:26,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 643 transitions. [2021-08-27 07:49:26,600 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 643 transitions. Word has length 68 [2021-08-27 07:49:26,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:49:26,600 INFO L470 AbstractCegarLoop]: Abstraction has 534 states and 643 transitions. [2021-08-27 07:49:26,601 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, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2021-08-27 07:49:26,601 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 643 transitions. [2021-08-27 07:49:26,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-08-27 07:49:26,602 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:49:26,602 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:49:26,616 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2021-08-27 07:49:26,816 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 07:49:26,816 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:49:26,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:49:26,816 INFO L82 PathProgramCache]: Analyzing trace with hash -518955678, now seen corresponding path program 1 times [2021-08-27 07:49:26,817 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 07:49:26,817 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1174721439] [2021-08-27 07:49:26,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:49:26,817 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 07:49:26,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 07:49:26,819 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 07:49:26,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2021-08-27 07:49:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:49:27,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-27 07:49:27,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 07:49:28,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:28,096 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 07:49:28,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:28,274 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 07:49:28,274 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1174721439] [2021-08-27 07:49:28,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1174721439] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 07:49:28,274 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:49:28,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2021-08-27 07:49:28,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250474472] [2021-08-27 07:49:28,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-27 07:49:28,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 07:49:28,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-27 07:49:28,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-27 07:49:28,276 INFO L87 Difference]: Start difference. First operand 534 states and 643 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2021-08-27 07:49:28,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:49:28,321 INFO L93 Difference]: Finished difference Result 565 states and 675 transitions. [2021-08-27 07:49:28,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-27 07:49:28,321 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) Word has length 68 [2021-08-27 07:49:28,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:49:28,323 INFO L225 Difference]: With dead ends: 565 [2021-08-27 07:49:28,323 INFO L226 Difference]: Without dead ends: 565 [2021-08-27 07:49:28,323 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.7ms TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-08-27 07:49:28,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2021-08-27 07:49:28,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 534. [2021-08-27 07:49:28,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 427 states have (on average 1.2060889929742389) internal successors, (515), 435 states have internal predecessors, (515), 59 states have call successors, (59), 44 states have call predecessors, (59), 47 states have return successors, (67), 55 states have call predecessors, (67), 52 states have call successors, (67) [2021-08-27 07:49:28,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 641 transitions. [2021-08-27 07:49:28,332 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 641 transitions. Word has length 68 [2021-08-27 07:49:28,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:49:28,332 INFO L470 AbstractCegarLoop]: Abstraction has 534 states and 641 transitions. [2021-08-27 07:49:28,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2021-08-27 07:49:28,332 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 641 transitions. [2021-08-27 07:49:28,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-08-27 07:49:28,333 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:49:28,333 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:49:28,361 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (29)] Forceful destruction successful, exit code 0 [2021-08-27 07:49:28,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 07:49:28,548 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:49:28,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:49:28,549 INFO L82 PathProgramCache]: Analyzing trace with hash -908431933, now seen corresponding path program 1 times [2021-08-27 07:49:28,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 07:49:28,549 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1199208208] [2021-08-27 07:49:28,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:49:28,550 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 07:49:28,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 07:49:28,551 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 07:49:28,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2021-08-27 07:49:29,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:49:29,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-27 07:49:29,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 07:49:29,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:29,957 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 07:49:30,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:30,234 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 07:49:30,234 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1199208208] [2021-08-27 07:49:30,234 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1199208208] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 07:49:30,234 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:49:30,234 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 9] imperfect sequences [] total 17 [2021-08-27 07:49:30,234 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138994182] [2021-08-27 07:49:30,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-08-27 07:49:30,235 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 07:49:30,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-08-27 07:49:30,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2021-08-27 07:49:30,235 INFO L87 Difference]: Start difference. First operand 534 states and 641 transitions. Second operand has 17 states, 17 states have (on average 4.0588235294117645) internal successors, (69), 13 states have internal predecessors, (69), 2 states have call successors, (7), 2 states have call predecessors, (7), 5 states have return successors, (7), 5 states have call predecessors, (7), 1 states have call successors, (7) [2021-08-27 07:49:30,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:49:30,524 INFO L93 Difference]: Finished difference Result 593 states and 703 transitions. [2021-08-27 07:49:30,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-27 07:49:30,525 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.0588235294117645) internal successors, (69), 13 states have internal predecessors, (69), 2 states have call successors, (7), 2 states have call predecessors, (7), 5 states have return successors, (7), 5 states have call predecessors, (7), 1 states have call successors, (7) Word has length 61 [2021-08-27 07:49:30,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:49:30,527 INFO L225 Difference]: With dead ends: 593 [2021-08-27 07:49:30,527 INFO L226 Difference]: Without dead ends: 559 [2021-08-27 07:49:30,527 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 180.3ms TimeCoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420 [2021-08-27 07:49:30,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2021-08-27 07:49:30,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 529. [2021-08-27 07:49:30,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 423 states have (on average 1.2056737588652482) internal successors, (510), 431 states have internal predecessors, (510), 58 states have call successors, (58), 44 states have call predecessors, (58), 47 states have return successors, (66), 54 states have call predecessors, (66), 51 states have call successors, (66) [2021-08-27 07:49:30,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 634 transitions. [2021-08-27 07:49:30,536 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 634 transitions. Word has length 61 [2021-08-27 07:49:30,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:49:30,536 INFO L470 AbstractCegarLoop]: Abstraction has 529 states and 634 transitions. [2021-08-27 07:49:30,536 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.0588235294117645) internal successors, (69), 13 states have internal predecessors, (69), 2 states have call successors, (7), 2 states have call predecessors, (7), 5 states have return successors, (7), 5 states have call predecessors, (7), 1 states have call successors, (7) [2021-08-27 07:49:30,536 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 634 transitions. [2021-08-27 07:49:30,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-08-27 07:49:30,537 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:49:30,537 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:49:30,551 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (30)] Ended with exit code 0 [2021-08-27 07:49:30,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 07:49:30,738 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:49:30,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:49:30,738 INFO L82 PathProgramCache]: Analyzing trace with hash -1838543403, now seen corresponding path program 1 times [2021-08-27 07:49:30,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 07:49:30,738 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [239260399] [2021-08-27 07:49:30,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:49:30,739 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 07:49:30,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 07:49:30,739 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 07:49:30,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2021-08-27 07:49:31,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:49:31,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-27 07:49:31,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 07:49:32,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:32,165 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 07:49:32,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:32,470 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 07:49:32,470 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [239260399] [2021-08-27 07:49:32,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [239260399] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 07:49:32,470 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:49:32,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 9] imperfect sequences [] total 17 [2021-08-27 07:49:32,470 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805454887] [2021-08-27 07:49:32,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-08-27 07:49:32,471 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 07:49:32,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-08-27 07:49:32,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2021-08-27 07:49:32,472 INFO L87 Difference]: Start difference. First operand 529 states and 634 transitions. Second operand has 17 states, 17 states have (on average 4.0588235294117645) internal successors, (69), 13 states have internal predecessors, (69), 2 states have call successors, (7), 2 states have call predecessors, (7), 5 states have return successors, (7), 5 states have call predecessors, (7), 1 states have call successors, (7) [2021-08-27 07:49:32,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:49:32,742 INFO L93 Difference]: Finished difference Result 588 states and 695 transitions. [2021-08-27 07:49:32,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-27 07:49:32,743 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.0588235294117645) internal successors, (69), 13 states have internal predecessors, (69), 2 states have call successors, (7), 2 states have call predecessors, (7), 5 states have return successors, (7), 5 states have call predecessors, (7), 1 states have call successors, (7) Word has length 61 [2021-08-27 07:49:32,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:49:32,744 INFO L225 Difference]: With dead ends: 588 [2021-08-27 07:49:32,744 INFO L226 Difference]: Without dead ends: 555 [2021-08-27 07:49:32,745 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 190.4ms TimeCoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420 [2021-08-27 07:49:32,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2021-08-27 07:49:32,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 525. [2021-08-27 07:49:32,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 420 states have (on average 1.2047619047619047) internal successors, (506), 428 states have internal predecessors, (506), 57 states have call successors, (57), 44 states have call predecessors, (57), 47 states have return successors, (65), 53 states have call predecessors, (65), 50 states have call successors, (65) [2021-08-27 07:49:32,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 628 transitions. [2021-08-27 07:49:32,753 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 628 transitions. Word has length 61 [2021-08-27 07:49:32,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:49:32,753 INFO L470 AbstractCegarLoop]: Abstraction has 525 states and 628 transitions. [2021-08-27 07:49:32,754 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.0588235294117645) internal successors, (69), 13 states have internal predecessors, (69), 2 states have call successors, (7), 2 states have call predecessors, (7), 5 states have return successors, (7), 5 states have call predecessors, (7), 1 states have call successors, (7) [2021-08-27 07:49:32,754 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 628 transitions. [2021-08-27 07:49:32,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-08-27 07:49:32,755 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:49:32,755 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:49:32,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2021-08-27 07:49:32,964 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 07:49:32,965 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:49:32,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:49:32,965 INFO L82 PathProgramCache]: Analyzing trace with hash -307624777, now seen corresponding path program 1 times [2021-08-27 07:49:32,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 07:49:32,966 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1090740136] [2021-08-27 07:49:32,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:49:32,966 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 07:49:32,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 07:49:32,966 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 07:49:32,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2021-08-27 07:49:34,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:49:34,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 07:49:34,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 07:49:34,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:34,344 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 07:49:34,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:34,545 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 07:49:34,545 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1090740136] [2021-08-27 07:49:34,545 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1090740136] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 07:49:34,545 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:49:34,545 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-08-27 07:49:34,546 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562824123] [2021-08-27 07:49:34,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-27 07:49:34,546 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 07:49:34,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 07:49:34,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 07:49:34,547 INFO L87 Difference]: Start difference. First operand 525 states and 628 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-08-27 07:49:34,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:49:34,561 INFO L93 Difference]: Finished difference Result 629 states and 755 transitions. [2021-08-27 07:49:34,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 07:49:34,561 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 70 [2021-08-27 07:49:34,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:49:34,563 INFO L225 Difference]: With dead ends: 629 [2021-08-27 07:49:34,563 INFO L226 Difference]: Without dead ends: 629 [2021-08-27 07:49:34,564 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 07:49:34,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2021-08-27 07:49:34,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 599. [2021-08-27 07:49:34,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 478 states have (on average 1.207112970711297) internal successors, (577), 486 states have internal predecessors, (577), 64 states have call successors, (64), 51 states have call predecessors, (64), 56 states have return successors, (81), 62 states have call predecessors, (81), 58 states have call successors, (81) [2021-08-27 07:49:34,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 722 transitions. [2021-08-27 07:49:34,573 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 722 transitions. Word has length 70 [2021-08-27 07:49:34,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:49:34,573 INFO L470 AbstractCegarLoop]: Abstraction has 599 states and 722 transitions. [2021-08-27 07:49:34,574 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-08-27 07:49:34,574 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 722 transitions. [2021-08-27 07:49:34,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-08-27 07:49:34,575 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:49:34,575 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:49:34,590 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (32)] Ended with exit code 0 [2021-08-27 07:49:34,789 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 07:49:34,789 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:49:34,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:49:34,789 INFO L82 PathProgramCache]: Analyzing trace with hash 694916100, now seen corresponding path program 1 times [2021-08-27 07:49:34,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 07:49:34,790 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [575630485] [2021-08-27 07:49:34,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:49:34,790 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 07:49:34,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 07:49:34,791 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 07:49:34,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2021-08-27 07:49:36,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:49:36,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-27 07:49:36,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 07:49:36,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:36,323 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 07:49:36,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:36,638 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 07:49:36,638 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [575630485] [2021-08-27 07:49:36,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [575630485] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 07:49:36,638 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:49:36,638 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 9] imperfect sequences [] total 17 [2021-08-27 07:49:36,638 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518388251] [2021-08-27 07:49:36,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-08-27 07:49:36,639 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 07:49:36,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-08-27 07:49:36,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2021-08-27 07:49:36,640 INFO L87 Difference]: Start difference. First operand 599 states and 722 transitions. Second operand has 17 states, 17 states have (on average 4.470588235294118) internal successors, (76), 13 states have internal predecessors, (76), 2 states have call successors, (7), 2 states have call predecessors, (7), 5 states have return successors, (7), 5 states have call predecessors, (7), 1 states have call successors, (7) [2021-08-27 07:49:36,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:49:36,958 INFO L93 Difference]: Finished difference Result 665 states and 793 transitions. [2021-08-27 07:49:36,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-27 07:49:36,958 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.470588235294118) internal successors, (76), 13 states have internal predecessors, (76), 2 states have call successors, (7), 2 states have call predecessors, (7), 5 states have return successors, (7), 5 states have call predecessors, (7), 1 states have call successors, (7) Word has length 65 [2021-08-27 07:49:36,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:49:36,961 INFO L225 Difference]: With dead ends: 665 [2021-08-27 07:49:36,961 INFO L226 Difference]: Without dead ends: 583 [2021-08-27 07:49:36,961 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 181.2ms TimeCoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420 [2021-08-27 07:49:36,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2021-08-27 07:49:36,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 559. [2021-08-27 07:49:36,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 559 states, 444 states have (on average 1.2072072072072073) internal successors, (536), 452 states have internal predecessors, (536), 61 states have call successors, (61), 48 states have call predecessors, (61), 53 states have return successors, (78), 59 states have call predecessors, (78), 55 states have call successors, (78) [2021-08-27 07:49:36,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 675 transitions. [2021-08-27 07:49:36,971 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 675 transitions. Word has length 65 [2021-08-27 07:49:36,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:49:36,972 INFO L470 AbstractCegarLoop]: Abstraction has 559 states and 675 transitions. [2021-08-27 07:49:36,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.470588235294118) internal successors, (76), 13 states have internal predecessors, (76), 2 states have call successors, (7), 2 states have call predecessors, (7), 5 states have return successors, (7), 5 states have call predecessors, (7), 1 states have call successors, (7) [2021-08-27 07:49:36,972 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 675 transitions. [2021-08-27 07:49:36,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-08-27 07:49:36,973 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:49:36,974 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:49:36,991 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (33)] Forceful destruction successful, exit code 0 [2021-08-27 07:49:37,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 07:49:37,189 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:49:37,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:49:37,189 INFO L82 PathProgramCache]: Analyzing trace with hash 989713954, now seen corresponding path program 1 times [2021-08-27 07:49:37,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 07:49:37,189 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1751776151] [2021-08-27 07:49:37,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:49:37,189 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 07:49:37,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 07:49:37,190 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 07:49:37,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2021-08-27 07:49:38,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:49:38,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-27 07:49:38,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 07:49:38,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:38,844 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 07:49:39,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:39,085 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 07:49:39,085 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1751776151] [2021-08-27 07:49:39,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1751776151] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 07:49:39,085 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:49:39,085 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 9 [2021-08-27 07:49:39,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416869207] [2021-08-27 07:49:39,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-27 07:49:39,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 07:49:39,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-27 07:49:39,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-08-27 07:49:39,086 INFO L87 Difference]: Start difference. First operand 559 states and 675 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 9 states have internal predecessors, (110), 5 states have call successors, (19), 5 states have call predecessors, (19), 6 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15) [2021-08-27 07:49:39,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:49:39,828 INFO L93 Difference]: Finished difference Result 584 states and 700 transitions. [2021-08-27 07:49:39,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-27 07:49:39,828 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 9 states have internal predecessors, (110), 5 states have call successors, (19), 5 states have call predecessors, (19), 6 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15) Word has length 79 [2021-08-27 07:49:39,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:49:39,830 INFO L225 Difference]: With dead ends: 584 [2021-08-27 07:49:39,830 INFO L226 Difference]: Without dead ends: 584 [2021-08-27 07:49:39,830 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 59.4ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-08-27 07:49:39,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2021-08-27 07:49:39,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 543. [2021-08-27 07:49:39,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 431 states have (on average 1.2064965197215778) internal successors, (520), 438 states have internal predecessors, (520), 60 states have call successors, (60), 48 states have call predecessors, (60), 51 states have return successors, (70), 57 states have call predecessors, (70), 54 states have call successors, (70) [2021-08-27 07:49:39,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 650 transitions. [2021-08-27 07:49:39,839 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 650 transitions. Word has length 79 [2021-08-27 07:49:39,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:49:39,839 INFO L470 AbstractCegarLoop]: Abstraction has 543 states and 650 transitions. [2021-08-27 07:49:39,840 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 9 states have internal predecessors, (110), 5 states have call successors, (19), 5 states have call predecessors, (19), 6 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15) [2021-08-27 07:49:39,840 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 650 transitions. [2021-08-27 07:49:39,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-08-27 07:49:39,841 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:49:39,841 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:49:39,872 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (34)] Ended with exit code 0 [2021-08-27 07:49:40,056 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 07:49:40,057 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:49:40,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:49:40,058 INFO L82 PathProgramCache]: Analyzing trace with hash 1026344045, now seen corresponding path program 1 times [2021-08-27 07:49:40,058 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 07:49:40,058 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1252839729] [2021-08-27 07:49:40,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:49:40,058 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 07:49:40,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 07:49:40,059 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 07:49:40,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2021-08-27 07:49:41,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:49:41,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-27 07:49:41,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 07:49:41,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:41,675 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 07:49:41,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:41,902 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 07:49:41,902 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1252839729] [2021-08-27 07:49:41,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1252839729] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 07:49:41,902 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:49:41,902 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2021-08-27 07:49:41,902 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194058373] [2021-08-27 07:49:41,903 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-27 07:49:41,903 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 07:49:41,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-27 07:49:41,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-27 07:49:41,904 INFO L87 Difference]: Start difference. First operand 543 states and 650 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2021-08-27 07:49:41,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:49:41,944 INFO L93 Difference]: Finished difference Result 604 states and 750 transitions. [2021-08-27 07:49:41,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-27 07:49:41,945 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 80 [2021-08-27 07:49:41,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:49:41,947 INFO L225 Difference]: With dead ends: 604 [2021-08-27 07:49:41,947 INFO L226 Difference]: Without dead ends: 604 [2021-08-27 07:49:41,947 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.3ms TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-08-27 07:49:41,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2021-08-27 07:49:41,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 509. [2021-08-27 07:49:41,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 509 states, 408 states have (on average 1.2058823529411764) internal successors, (492), 414 states have internal predecessors, (492), 53 states have call successors, (53), 42 states have call predecessors, (53), 47 states have return successors, (61), 53 states have call predecessors, (61), 48 states have call successors, (61) [2021-08-27 07:49:41,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 606 transitions. [2021-08-27 07:49:41,956 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 606 transitions. Word has length 80 [2021-08-27 07:49:41,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:49:41,956 INFO L470 AbstractCegarLoop]: Abstraction has 509 states and 606 transitions. [2021-08-27 07:49:41,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2021-08-27 07:49:41,957 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 606 transitions. [2021-08-27 07:49:41,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-08-27 07:49:41,958 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:49:41,958 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:49:41,976 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (35)] Forceful destruction successful, exit code 0 [2021-08-27 07:49:42,174 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 07:49:42,174 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:49:42,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:49:42,174 INFO L82 PathProgramCache]: Analyzing trace with hash -1613689940, now seen corresponding path program 1 times [2021-08-27 07:49:42,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 07:49:42,175 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [394929875] [2021-08-27 07:49:42,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:49:42,175 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 07:49:42,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 07:49:42,176 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 07:49:42,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2021-08-27 07:49:43,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:49:43,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-27 07:49:43,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 07:49:43,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:43,818 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 07:49:44,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:44,130 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 07:49:44,130 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [394929875] [2021-08-27 07:49:44,130 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [394929875] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 07:49:44,130 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:49:44,130 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-08-27 07:49:44,130 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033441858] [2021-08-27 07:49:44,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-27 07:49:44,131 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 07:49:44,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-27 07:49:44,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-08-27 07:49:44,131 INFO L87 Difference]: Start difference. First operand 509 states and 606 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 7 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (11), 7 states have call predecessors, (11), 6 states have call successors, (11) [2021-08-27 07:49:44,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:49:44,766 INFO L93 Difference]: Finished difference Result 724 states and 844 transitions. [2021-08-27 07:49:44,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-27 07:49:44,767 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 7 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (11), 7 states have call predecessors, (11), 6 states have call successors, (11) Word has length 79 [2021-08-27 07:49:44,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:49:44,769 INFO L225 Difference]: With dead ends: 724 [2021-08-27 07:49:44,769 INFO L226 Difference]: Without dead ends: 724 [2021-08-27 07:49:44,769 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 38.7ms TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-08-27 07:49:44,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2021-08-27 07:49:44,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 625. [2021-08-27 07:49:44,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 625 states, 501 states have (on average 1.1976047904191616) internal successors, (600), 510 states have internal predecessors, (600), 61 states have call successors, (61), 54 states have call predecessors, (61), 62 states have return successors, (72), 61 states have call predecessors, (72), 56 states have call successors, (72) [2021-08-27 07:49:44,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 733 transitions. [2021-08-27 07:49:44,779 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 733 transitions. Word has length 79 [2021-08-27 07:49:44,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:49:44,779 INFO L470 AbstractCegarLoop]: Abstraction has 625 states and 733 transitions. [2021-08-27 07:49:44,780 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 7 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (11), 7 states have call predecessors, (11), 6 states have call successors, (11) [2021-08-27 07:49:44,780 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 733 transitions. [2021-08-27 07:49:44,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-08-27 07:49:44,781 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:49:44,781 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:49:44,803 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (36)] Forceful destruction successful, exit code 0 [2021-08-27 07:49:44,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 07:49:44,997 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:49:44,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:49:44,997 INFO L82 PathProgramCache]: Analyzing trace with hash 530825079, now seen corresponding path program 1 times [2021-08-27 07:49:44,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 07:49:44,998 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [877058375] [2021-08-27 07:49:44,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:49:44,998 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 07:49:44,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 07:49:45,000 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 07:49:45,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2021-08-27 07:49:46,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:49:46,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-27 07:49:46,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 07:49:46,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:46,680 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 07:49:47,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:47,050 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 07:49:47,050 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [877058375] [2021-08-27 07:49:47,050 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [877058375] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 07:49:47,050 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:49:47,050 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 16 [2021-08-27 07:49:47,050 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580661417] [2021-08-27 07:49:47,051 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-08-27 07:49:47,051 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 07:49:47,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-08-27 07:49:47,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2021-08-27 07:49:47,051 INFO L87 Difference]: Start difference. First operand 625 states and 733 transitions. Second operand has 16 states, 16 states have (on average 5.5625) internal successors, (89), 12 states have internal predecessors, (89), 4 states have call successors, (12), 2 states have call predecessors, (12), 5 states have return successors, (12), 7 states have call predecessors, (12), 3 states have call successors, (12) [2021-08-27 07:49:47,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:49:47,265 INFO L93 Difference]: Finished difference Result 713 states and 824 transitions. [2021-08-27 07:49:47,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-27 07:49:47,266 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 5.5625) internal successors, (89), 12 states have internal predecessors, (89), 4 states have call successors, (12), 2 states have call predecessors, (12), 5 states have return successors, (12), 7 states have call predecessors, (12), 3 states have call successors, (12) Word has length 85 [2021-08-27 07:49:47,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:49:47,268 INFO L225 Difference]: With dead ends: 713 [2021-08-27 07:49:47,268 INFO L226 Difference]: Without dead ends: 677 [2021-08-27 07:49:47,268 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 214.9ms TimeCoverageRelationStatistics Valid=82, Invalid=470, Unknown=0, NotChecked=0, Total=552 [2021-08-27 07:49:47,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2021-08-27 07:49:47,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 625. [2021-08-27 07:49:47,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 625 states, 501 states have (on average 1.1956087824351298) internal successors, (599), 510 states have internal predecessors, (599), 61 states have call successors, (61), 54 states have call predecessors, (61), 62 states have return successors, (72), 61 states have call predecessors, (72), 56 states have call successors, (72) [2021-08-27 07:49:47,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 732 transitions. [2021-08-27 07:49:47,278 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 732 transitions. Word has length 85 [2021-08-27 07:49:47,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:49:47,278 INFO L470 AbstractCegarLoop]: Abstraction has 625 states and 732 transitions. [2021-08-27 07:49:47,279 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.5625) internal successors, (89), 12 states have internal predecessors, (89), 4 states have call successors, (12), 2 states have call predecessors, (12), 5 states have return successors, (12), 7 states have call predecessors, (12), 3 states have call successors, (12) [2021-08-27 07:49:47,279 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 732 transitions. [2021-08-27 07:49:47,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-08-27 07:49:47,280 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:49:47,280 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:49:47,301 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (37)] Forceful destruction successful, exit code 0 [2021-08-27 07:49:47,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 07:49:47,496 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:49:47,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:49:47,496 INFO L82 PathProgramCache]: Analyzing trace with hash -1801553067, now seen corresponding path program 1 times [2021-08-27 07:49:47,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 07:49:47,497 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1883857653] [2021-08-27 07:49:47,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:49:47,497 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 07:49:47,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 07:49:47,497 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 07:49:47,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (38)] Waiting until timeout for monitored process [2021-08-27 07:49:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:49:49,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 07:49:49,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 07:49:49,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:49,202 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 07:49:49,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:49,368 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 07:49:49,368 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1883857653] [2021-08-27 07:49:49,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1883857653] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 07:49:49,368 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:49:49,368 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-08-27 07:49:49,368 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996632491] [2021-08-27 07:49:49,368 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-27 07:49:49,368 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 07:49:49,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 07:49:49,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 07:49:49,369 INFO L87 Difference]: Start difference. First operand 625 states and 732 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-08-27 07:49:49,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:49:49,388 INFO L93 Difference]: Finished difference Result 632 states and 738 transitions. [2021-08-27 07:49:49,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 07:49:49,389 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 80 [2021-08-27 07:49:49,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:49:49,392 INFO L225 Difference]: With dead ends: 632 [2021-08-27 07:49:49,392 INFO L226 Difference]: Without dead ends: 632 [2021-08-27 07:49:49,392 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 07:49:49,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2021-08-27 07:49:49,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 625. [2021-08-27 07:49:49,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 625 states, 501 states have (on average 1.1956087824351298) internal successors, (599), 510 states have internal predecessors, (599), 61 states have call successors, (61), 54 states have call predecessors, (61), 62 states have return successors, (72), 61 states have call predecessors, (72), 56 states have call successors, (72) [2021-08-27 07:49:49,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 732 transitions. [2021-08-27 07:49:49,402 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 732 transitions. Word has length 80 [2021-08-27 07:49:49,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:49:49,402 INFO L470 AbstractCegarLoop]: Abstraction has 625 states and 732 transitions. [2021-08-27 07:49:49,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-08-27 07:49:49,402 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 732 transitions. [2021-08-27 07:49:49,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-08-27 07:49:49,404 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:49:49,404 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:49:49,423 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (38)] Forceful destruction successful, exit code 0 [2021-08-27 07:49:49,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 07:49:49,621 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:49:49,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:49:49,621 INFO L82 PathProgramCache]: Analyzing trace with hash -5151726, now seen corresponding path program 1 times [2021-08-27 07:49:49,621 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 07:49:49,621 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [738353488] [2021-08-27 07:49:49,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:49:49,622 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 07:49:49,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 07:49:49,622 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 07:49:49,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2021-08-27 07:49:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 07:49:51,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 07:49:51,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 07:49:51,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:51,371 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 07:49:51,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 07:49:51,582 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 07:49:51,582 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [738353488] [2021-08-27 07:49:51,582 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [738353488] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 07:49:51,582 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 07:49:51,582 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-08-27 07:49:51,582 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772580492] [2021-08-27 07:49:51,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-27 07:49:51,583 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 07:49:51,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 07:49:51,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 07:49:51,583 INFO L87 Difference]: Start difference. First operand 625 states and 732 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-08-27 07:49:51,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 07:49:51,603 INFO L93 Difference]: Finished difference Result 627 states and 730 transitions. [2021-08-27 07:49:51,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 07:49:51,605 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 81 [2021-08-27 07:49:51,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 07:49:51,607 INFO L225 Difference]: With dead ends: 627 [2021-08-27 07:49:51,607 INFO L226 Difference]: Without dead ends: 627 [2021-08-27 07:49:51,607 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 07:49:51,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2021-08-27 07:49:51,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 625. [2021-08-27 07:49:51,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 625 states, 501 states have (on average 1.1896207584830338) internal successors, (596), 510 states have internal predecessors, (596), 61 states have call successors, (61), 54 states have call predecessors, (61), 62 states have return successors, (72), 61 states have call predecessors, (72), 56 states have call successors, (72) [2021-08-27 07:49:51,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 729 transitions. [2021-08-27 07:49:51,617 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 729 transitions. Word has length 81 [2021-08-27 07:49:51,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 07:49:51,617 INFO L470 AbstractCegarLoop]: Abstraction has 625 states and 729 transitions. [2021-08-27 07:49:51,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-08-27 07:49:51,617 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 729 transitions. [2021-08-27 07:49:51,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-08-27 07:49:51,620 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 07:49:51,621 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 07:49:51,637 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (39)] Ended with exit code 0 [2021-08-27 07:49:51,837 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 07:49:51,837 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-08-27 07:49:51,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 07:49:51,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1875622583, now seen corresponding path program 1 times [2021-08-27 07:49:51,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 07:49:51,838 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [256516050] [2021-08-27 07:49:51,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 07:49:51,838 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 07:49:51,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 07:49:51,841 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 07:49:51,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2021-08-27 07:49:53,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 07:49:53,505 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 07:49:53,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 07:49:53,910 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-08-27 07:49:53,910 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-27 07:49:53,911 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location errorFnErr0ASSERT_VIOLATIONMEMORY_LEAK [2021-08-27 07:49:53,913 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-08-27 07:49:53,935 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (40)] Forceful destruction successful, exit code 0 [2021-08-27 07:49:54,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 07:49:54,137 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-27 07:49:54,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.08 07:49:54 BoogieIcfgContainer [2021-08-27 07:49:54,270 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-27 07:49:54,271 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 07:49:54,271 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 07:49:54,271 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 07:49:54,271 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 07:48:45" (3/4) ... [2021-08-27 07:49:54,274 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-27 07:49:54,274 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 07:49:54,275 INFO L168 Benchmark]: Toolchain (without parser) took 70126.55 ms. Allocated memory was 62.9 MB in the beginning and 497.0 MB in the end (delta: 434.1 MB). Free memory was 42.6 MB in the beginning and 343.5 MB in the end (delta: -300.9 MB). Peak memory consumption was 134.6 MB. Max. memory is 16.1 GB. [2021-08-27 07:49:54,275 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 62.9 MB. Free memory was 43.9 MB in the beginning and 43.9 MB in the end (delta: 83.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 07:49:54,276 INFO L168 Benchmark]: CACSL2BoogieTranslator took 440.85 ms. Allocated memory is still 62.9 MB. Free memory was 42.3 MB in the beginning and 36.3 MB in the end (delta: 6.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-08-27 07:49:54,276 INFO L168 Benchmark]: Boogie Preprocessor took 100.99 ms. Allocated memory is still 62.9 MB. Free memory was 36.3 MB in the beginning and 32.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-27 07:49:54,276 INFO L168 Benchmark]: RCFGBuilder took 1008.09 ms. Allocated memory was 62.9 MB in the beginning and 77.6 MB in the end (delta: 14.7 MB). Free memory was 32.6 MB in the beginning and 44.2 MB in the end (delta: -11.7 MB). Peak memory consumption was 21.2 MB. Max. memory is 16.1 GB. [2021-08-27 07:49:54,277 INFO L168 Benchmark]: TraceAbstraction took 68567.34 ms. Allocated memory was 77.6 MB in the beginning and 497.0 MB in the end (delta: 419.4 MB). Free memory was 43.8 MB in the beginning and 344.5 MB in the end (delta: -300.8 MB). Peak memory consumption was 118.5 MB. Max. memory is 16.1 GB. [2021-08-27 07:49:54,277 INFO L168 Benchmark]: Witness Printer took 3.35 ms. Allocated memory is still 497.0 MB. Free memory was 344.5 MB in the beginning and 343.5 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 07:49:54,278 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 62.9 MB. Free memory was 43.9 MB in the beginning and 43.9 MB in the end (delta: 83.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 440.85 ms. Allocated memory is still 62.9 MB. Free memory was 42.3 MB in the beginning and 36.3 MB in the end (delta: 6.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 100.99 ms. Allocated memory is still 62.9 MB. Free memory was 36.3 MB in the beginning and 32.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1008.09 ms. Allocated memory was 62.9 MB in the beginning and 77.6 MB in the end (delta: 14.7 MB). Free memory was 32.6 MB in the beginning and 44.2 MB in the end (delta: -11.7 MB). Peak memory consumption was 21.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 68567.34 ms. Allocated memory was 77.6 MB in the beginning and 497.0 MB in the end (delta: 419.4 MB). Free memory was 43.8 MB in the beginning and 344.5 MB in the end (delta: -300.8 MB). Peak memory consumption was 118.5 MB. Max. memory is 16.1 GB. * Witness Printer took 3.35 ms. Allocated memory is still 497.0 MB. Free memory was 344.5 MB in the beginning and 343.5 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 65]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 65. Possible FailurePath: [L36] int FloppyThread ; [L37] int KernelMode ; [L38] int Suspended ; [L39] int Executive ; [L40] int DiskController ; [L41] int FloppyDiskPeripheral ; [L42] int FlConfigCallBack ; [L43] int MaximumInterfaceType ; [L44] int MOUNTDEV_MOUNTED_DEVICE_GUID ; [L45] int myStatus ; [L46] int s ; [L47] int UNLOADED ; [L48] int NP ; [L49] int DC ; [L50] int SKIP1 ; [L51] int SKIP2 ; [L52] int MPR1 ; [L53] int MPR3 ; [L54] int IPC ; [L55] int pended ; [L56] int compRegistered ; [L57] int lowerDriverReturn ; [L58] int setEventCalled ; [L59] int customIrp ; [L91] int PagingReferenceCount = 0; [L92] int PagingMutex = 0; VAL [\old(compRegistered)=11, \old(customIrp)=41, \old(DC)=20, \old(DiskController)=21, \old(Executive)=25, \old(FlConfigCallBack)=15, \old(FloppyDiskPeripheral)=29, \old(FloppyThread)=28, \old(IPC)=39, \old(KernelMode)=19, \old(lowerDriverReturn)=24, \old(MaximumInterfaceType)=36, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=23, \old(MPR1)=42, \old(MPR3)=37, \old(myStatus)=8, \old(NP)=40, \old(PagingMutex)=10, \old(PagingReferenceCount)=31, \old(pended)=38, \old(s)=26, \old(setEventCalled)=34, \old(SKIP1)=18, \old(SKIP2)=32, \old(Suspended)=9, \old(UNLOADED)=16, compRegistered=0, customIrp=0, DC=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=0, MPR3=0, myStatus=0, NP=0, PagingMutex=0, PagingReferenceCount=0, pended=0, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, Suspended=0, UNLOADED=0] [L671] int status ; [L672] int irp = __VERIFIER_nondet_int() ; [L673] int pirp ; [L674] int pirp__IoStatus__Status ; [L675] int irp_choice = __VERIFIER_nondet_int() ; [L676] int devobj = __VERIFIER_nondet_int() ; [L677] int __cil_tmp8 ; [L679] FloppyThread = 0 [L680] KernelMode = 0 [L681] Suspended = 0 [L682] Executive = 0 [L683] DiskController = 0 [L684] FloppyDiskPeripheral = 0 [L685] FlConfigCallBack = 0 [L686] MaximumInterfaceType = 0 [L687] MOUNTDEV_MOUNTED_DEVICE_GUID = 0 [L688] myStatus = 0 [L689] s = 0 [L690] UNLOADED = 0 [L691] NP = 0 [L692] DC = 0 [L693] SKIP1 = 0 [L694] SKIP2 = 0 [L695] MPR1 = 0 [L696] MPR3 = 0 [L697] IPC = 0 [L698] pended = 0 [L699] compRegistered = 0 [L700] lowerDriverReturn = 0 [L701] setEventCalled = 0 [L702] customIrp = 0 [L706] status = 0 [L707] pirp = irp VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=0, devobj=45, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=0, irp=44, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=0, MPR3=0, myStatus=0, NP=0, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=44, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, status=0, Suspended=0, UNLOADED=0] [L708] CALL _BLAST_init() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=0, MPR3=0, myStatus=0, NP=0, PagingMutex=0, PagingReferenceCount=0, pended=0, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, Suspended=0, UNLOADED=0] [L74] UNLOADED = 0 [L75] NP = 1 [L76] DC = 2 [L77] SKIP1 = 3 [L78] SKIP2 = 4 [L79] MPR1 = 5 [L80] MPR3 = 6 [L81] IPC = 7 [L82] s = UNLOADED [L83] pended = 0 [L84] compRegistered = 0 [L85] lowerDriverReturn = 0 [L86] setEventCalled = 0 [L87] customIrp = 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, s=0, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L708] RET _BLAST_init() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=45, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=44, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=44, s=0, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, UNLOADED=0] [L710] COND TRUE status >= 0 [L711] s = NP [L712] customIrp = 0 [L713] setEventCalled = customIrp [L714] lowerDriverReturn = setEventCalled [L715] compRegistered = lowerDriverReturn [L716] pended = compRegistered [L717] pirp__IoStatus__Status = 0 [L718] myStatus = 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=45, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=44, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=44, pirp__IoStatus__Status=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, UNLOADED=0] [L719] COND TRUE irp_choice == 0 [L720] pirp__IoStatus__Status = -1073741637 [L721] myStatus = -1073741637 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=45, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=44, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=44, pirp__IoStatus__Status=3221225659, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, UNLOADED=0] [L724] CALL stub_driver_init() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L661] s = NP [L662] pended = 0 [L663] compRegistered = 0 [L664] lowerDriverReturn = 0 [L665] setEventCalled = 0 [L666] customIrp = 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L724] RET stub_driver_init() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=45, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=44, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=44, pirp__IoStatus__Status=3221225659, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, UNLOADED=0] [L727] COND FALSE !(status < 0) [L731] int tmp_ndt_1; [L732] tmp_ndt_1 = __VERIFIER_nondet_int() [L733] COND TRUE tmp_ndt_1 == 3 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=45, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=44, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=44, pirp__IoStatus__Status=3221225659, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L740] CALL, EXPR FloppyPnp(devobj, pirp) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=45, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=44, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=3221225659, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L164] int DeviceObject__DeviceExtension = __VERIFIER_nondet_int() ; [L165] int Irp__Tail__Overlay__CurrentStackLocation = __VERIFIER_nondet_int() ; [L166] int Irp__IoStatus__Information ; [L167] int Irp__IoStatus__Status ; [L168] int Irp__CurrentLocation = __VERIFIER_nondet_int() ; [L169] int disketteExtension__IsRemoved = __VERIFIER_nondet_int() ; [L170] int disketteExtension__IsStarted = __VERIFIER_nondet_int() ; [L171] int disketteExtension__TargetObject = __VERIFIER_nondet_int() ; [L172] int disketteExtension__HoldNewRequests ; [L173] int disketteExtension__FloppyThread = __VERIFIER_nondet_int() ; [L174] int disketteExtension__InterfaceString__Buffer = __VERIFIER_nondet_int() ; [L175] int disketteExtension__InterfaceString = __VERIFIER_nondet_int() ; [L176] int disketteExtension__ArcName__Length = __VERIFIER_nondet_int() ; [L177] int disketteExtension__ArcName = __VERIFIER_nondet_int() ; [L178] int irpSp__MinorFunction = __VERIFIER_nondet_int() ; [L179] int IoGetConfigurationInformation__FloppyCount = __VERIFIER_nondet_int() ; [L180] int irpSp ; [L181] int disketteExtension ; [L182] int ntStatus ; [L183] int doneEvent = __VERIFIER_nondet_int() ; [L184] int irpSp___0 ; [L185] int nextIrpSp ; [L186] int nextIrpSp__Control ; [L187] int irpSp___1 ; [L188] int irpSp__Context ; [L189] int irpSp__Control ; [L190] long __cil_tmp29 ; [L191] long __cil_tmp30 ; [L194] ntStatus = 0 [L195] PagingReferenceCount ++ VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=45, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=44, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=3221225659, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=45, DeviceObject__DeviceExtension=50, DiskController=0, disketteExtension__ArcName=49, disketteExtension__ArcName__Length=52, disketteExtension__FloppyThread=2147483648, disketteExtension__InterfaceString=51, disketteExtension__InterfaceString__Buffer=46, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=2147483648, disketteExtension__TargetObject=47, doneEvent=53, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=54, IPC=7, Irp=44, Irp__CurrentLocation=256, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L196] COND TRUE PagingReferenceCount == 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=45, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=44, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=3221225659, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=45, DeviceObject__DeviceExtension=50, DiskController=0, disketteExtension__ArcName=49, disketteExtension__ArcName__Length=52, disketteExtension__FloppyThread=2147483648, disketteExtension__InterfaceString=51, disketteExtension__InterfaceString__Buffer=46, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=2147483648, disketteExtension__TargetObject=47, doneEvent=53, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=54, IPC=7, Irp=44, Irp__CurrentLocation=256, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L199] disketteExtension = DeviceObject__DeviceExtension [L200] irpSp = Irp__Tail__Overlay__CurrentStackLocation VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=45, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=44, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=3221225659, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=45, DeviceObject__DeviceExtension=50, DiskController=0, disketteExtension=50, disketteExtension__ArcName=49, disketteExtension__ArcName__Length=52, disketteExtension__FloppyThread=2147483648, disketteExtension__InterfaceString=51, disketteExtension__InterfaceString__Buffer=46, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=2147483648, disketteExtension__TargetObject=47, doneEvent=53, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=54, IPC=7, Irp=44, Irp__CurrentLocation=256, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L201] COND FALSE !(\read(disketteExtension__IsRemoved)) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=45, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=44, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=3221225659, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=45, DeviceObject__DeviceExtension=50, DiskController=0, disketteExtension=50, disketteExtension__ArcName=49, disketteExtension__ArcName__Length=52, disketteExtension__FloppyThread=2147483648, disketteExtension__InterfaceString=51, disketteExtension__InterfaceString__Buffer=46, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=2147483648, disketteExtension__TargetObject=47, doneEvent=53, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=54, IPC=7, Irp=44, Irp__CurrentLocation=256, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L210] COND FALSE !(irpSp__MinorFunction == 0) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=45, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=44, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=3221225659, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=45, DeviceObject__DeviceExtension=50, DiskController=0, disketteExtension=50, disketteExtension__ArcName=49, disketteExtension__ArcName__Length=52, disketteExtension__FloppyThread=2147483648, disketteExtension__InterfaceString=51, disketteExtension__InterfaceString__Buffer=46, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=2147483648, disketteExtension__TargetObject=47, doneEvent=53, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=54, IPC=7, Irp=44, Irp__CurrentLocation=256, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L213] COND TRUE irpSp__MinorFunction == 5 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=45, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=44, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=3221225659, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=45, DeviceObject__DeviceExtension=50, DiskController=0, disketteExtension=50, disketteExtension__ArcName=49, disketteExtension__ArcName__Length=52, disketteExtension__FloppyThread=2147483648, disketteExtension__InterfaceString=51, disketteExtension__InterfaceString__Buffer=46, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=2147483648, disketteExtension__TargetObject=47, doneEvent=53, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=54, IPC=7, Irp=44, Irp__CurrentLocation=256, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L239] COND TRUE irpSp__MinorFunction == 5 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=45, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=44, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=3221225659, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=45, DeviceObject__DeviceExtension=50, DiskController=0, disketteExtension=50, disketteExtension__ArcName=49, disketteExtension__ArcName__Length=52, disketteExtension__FloppyThread=2147483648, disketteExtension__InterfaceString=51, disketteExtension__InterfaceString__Buffer=46, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=2147483648, disketteExtension__TargetObject=47, doneEvent=53, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=54, IPC=7, Irp=44, Irp__CurrentLocation=256, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L242] COND FALSE !(! disketteExtension__IsStarted) [L258] disketteExtension__HoldNewRequests = 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=45, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=44, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=3221225659, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=45, DeviceObject__DeviceExtension=50, DiskController=0, disketteExtension=50, disketteExtension__ArcName=49, disketteExtension__ArcName__Length=52, disketteExtension__FloppyThread=2147483648, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=51, disketteExtension__InterfaceString__Buffer=46, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=2147483648, disketteExtension__TargetObject=47, doneEvent=53, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=54, IPC=7, Irp=44, Irp__CurrentLocation=256, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L259] CALL, EXPR FlQueueIrpToThread(Irp, disketteExtension) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=50, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=44, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=3221225659, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L101] int status ; [L102] int threadHandle = __VERIFIER_nondet_int() ; [L103] int DisketteExtension__PoweringDown = __VERIFIER_nondet_int() ; [L104] int DisketteExtension__ThreadReferenceCount = __VERIFIER_nondet_int() ; [L105] int DisketteExtension__FloppyThread = __VERIFIER_nondet_int() ; [L106] int Irp__IoStatus__Status ; [L107] int Irp__IoStatus__Information ; [L108] int Irp__Tail__Overlay__CurrentStackLocation__Control ; [L109] int ObjAttributes = __VERIFIER_nondet_int() ; [L110] int __cil_tmp12 ; [L111] int __cil_tmp13 ; VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=50, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=44, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=3221225659, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=50, DisketteExtension__FloppyThread=56, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=44, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, ObjAttributes=57, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=55, UNLOADED=0] [L114] COND FALSE !(DisketteExtension__PoweringDown == 1) [L120] DisketteExtension__ThreadReferenceCount ++ VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=50, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=44, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=3221225659, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=50, DisketteExtension__FloppyThread=56, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=1, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=44, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, ObjAttributes=57, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=55, UNLOADED=0] [L121] COND FALSE !(DisketteExtension__ThreadReferenceCount == 0) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=50, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=44, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=3221225659, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=50, DisketteExtension__FloppyThread=56, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=1, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=44, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, ObjAttributes=57, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=55, UNLOADED=0] [L153] COND TRUE pended == 0 [L154] pended = 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=50, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=44, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=3221225659, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=50, DisketteExtension__FloppyThread=56, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=1, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=44, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, ObjAttributes=57, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=55, UNLOADED=0] [L160] return (259); VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=50, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=44, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=3221225659, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, \result=259, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=50, DisketteExtension__FloppyThread=56, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=1, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=44, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, ObjAttributes=57, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=55, UNLOADED=0] [L259] RET, EXPR FlQueueIrpToThread(Irp, disketteExtension) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=45, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=44, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=3221225659, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=45, DeviceObject__DeviceExtension=50, DiskController=0, disketteExtension=50, disketteExtension__ArcName=49, disketteExtension__ArcName__Length=52, disketteExtension__FloppyThread=2147483648, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=51, disketteExtension__InterfaceString__Buffer=46, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=2147483648, disketteExtension__TargetObject=47, doneEvent=53, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, FlQueueIrpToThread(Irp, disketteExtension)=259, IoGetConfigurationInformation__FloppyCount=54, IPC=7, Irp=44, Irp__CurrentLocation=256, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L259] ntStatus = FlQueueIrpToThread(Irp, disketteExtension) [L262] __cil_tmp29 = (long )ntStatus VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=45, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=44, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=3221225659, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=45, DeviceObject__DeviceExtension=50, DiskController=0, disketteExtension=50, disketteExtension__ArcName=49, disketteExtension__ArcName__Length=52, disketteExtension__FloppyThread=2147483648, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=51, disketteExtension__InterfaceString__Buffer=46, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=2147483648, disketteExtension__TargetObject=47, doneEvent=53, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=54, IPC=7, Irp=44, Irp__CurrentLocation=256, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L263] COND TRUE __cil_tmp29 == 259L VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=45, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=44, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=3221225659, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=45, DeviceObject__DeviceExtension=50, DiskController=0, disketteExtension=50, disketteExtension__ArcName=49, disketteExtension__ArcName__Length=52, disketteExtension__FloppyThread=2147483648, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=51, disketteExtension__InterfaceString__Buffer=46, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=2147483648, disketteExtension__TargetObject=47, doneEvent=53, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=54, IPC=7, Irp=44, Irp__CurrentLocation=256, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L265-L266] CALL KeWaitForSingleObject(disketteExtension__FloppyThread, Executive, KernelMode, 0, 0) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=3221225659, \old(NP)=0, \old(Object)=2147483648, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L1036] COND FALSE !(s == MPR3) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=3221225659, \old(NP)=0, \old(Object)=2147483648, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, Alertable=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, Object=2147483648, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, UNLOADED=0, WaitMode=0, WaitReason=0] [L1045] COND FALSE !(customIrp == 1) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=3221225659, \old(NP)=0, \old(Object)=2147483648, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, Alertable=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, Object=2147483648, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, UNLOADED=0, WaitMode=0, WaitReason=0] [L1049] COND FALSE !(s == MPR3) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=3221225659, \old(NP)=0, \old(Object)=2147483648, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, Alertable=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, Object=2147483648, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, UNLOADED=0, WaitMode=0, WaitReason=0] [L1056] int tmp_ndt_8; [L1057] tmp_ndt_8 = __VERIFIER_nondet_int() [L1058] COND TRUE tmp_ndt_8 == 0 VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=3221225659, \old(NP)=0, \old(Object)=2147483648, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, Alertable=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, Object=2147483648, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, tmp_ndt_8=0, UNLOADED=0, WaitMode=0, WaitReason=0] [L1064] return (0); VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=3221225659, \old(NP)=0, \old(Object)=2147483648, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, \result=0, Alertable=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, Object=2147483648, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, tmp_ndt_8=0, UNLOADED=0, WaitMode=0, WaitReason=0] [L265-L266] RET KeWaitForSingleObject(disketteExtension__FloppyThread, Executive, KernelMode, 0, 0) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=45, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=44, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=3221225659, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=45, DeviceObject__DeviceExtension=50, DiskController=0, disketteExtension=50, disketteExtension__ArcName=49, disketteExtension__ArcName__Length=52, disketteExtension__FloppyThread=2147483648, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=51, disketteExtension__InterfaceString__Buffer=46, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=2147483648, disketteExtension__TargetObject=47, doneEvent=53, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=54, IPC=7, Irp=44, Irp__CurrentLocation=256, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, KeWaitForSingleObject(disketteExtension__FloppyThread, Executive, KernelMode, 0, 0)=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L268] COND TRUE disketteExtension__FloppyThread != 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=45, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=44, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=3221225659, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=45, DeviceObject__DeviceExtension=50, DiskController=0, disketteExtension=50, disketteExtension__ArcName=49, disketteExtension__ArcName__Length=52, disketteExtension__FloppyThread=2147483648, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=51, disketteExtension__InterfaceString__Buffer=46, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=2147483648, disketteExtension__TargetObject=47, doneEvent=53, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=54, IPC=7, Irp=44, Irp__CurrentLocation=256, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L271] disketteExtension__FloppyThread = 0 [L272] Irp__IoStatus__Status = 0 [L273] myStatus = 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=45, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=44, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=3221225659, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=45, DeviceObject__DeviceExtension=50, DiskController=0, disketteExtension=50, disketteExtension__ArcName=49, disketteExtension__ArcName__Length=52, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=51, disketteExtension__InterfaceString__Buffer=46, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=2147483648, disketteExtension__TargetObject=47, doneEvent=53, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=54, IPC=7, Irp=44, Irp__CurrentLocation=256, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L274] COND TRUE s == NP [L275] s = SKIP1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=45, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=44, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=3221225659, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=45, DeviceObject__DeviceExtension=50, DiskController=0, disketteExtension=50, disketteExtension__ArcName=49, disketteExtension__ArcName__Length=52, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=51, disketteExtension__InterfaceString__Buffer=46, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=2147483648, disketteExtension__TargetObject=47, doneEvent=53, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=54, IPC=7, Irp=44, Irp__CurrentLocation=256, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L282] Irp__CurrentLocation ++ [L283] Irp__Tail__Overlay__CurrentStackLocation ++ VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=45, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=44, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=3221225659, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=45, DeviceObject__DeviceExtension=50, DiskController=0, disketteExtension=50, disketteExtension__ArcName=49, disketteExtension__ArcName__Length=52, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=51, disketteExtension__InterfaceString__Buffer=46, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=2147483648, disketteExtension__TargetObject=47, doneEvent=53, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=54, IPC=7, Irp=44, Irp__CurrentLocation=257, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=1, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L284] CALL, EXPR IofCallDriver(disketteExtension__TargetObject, Irp) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=47, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=44, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=3221225659, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L938] int returnVal2 ; [L939] int compRetStatus1 ; [L940] int lcontext = __VERIFIER_nondet_int() ; [L941] unsigned long __cil_tmp7 ; VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=47, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=44, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=3221225659, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=47, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=44, KernelMode=0, lcontext=58, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L944] COND FALSE !(\read(compRegistered)) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=47, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=44, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=3221225659, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=47, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=44, KernelMode=0, lcontext=58, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L957] int tmp_ndt_12; [L958] tmp_ndt_12 = __VERIFIER_nondet_int() [L959] COND TRUE tmp_ndt_12 == 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=47, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=44, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=3221225659, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=47, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=44, KernelMode=0, lcontext=58, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_12=0, UNLOADED=0] [L970] returnVal2 = 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=47, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=44, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=3221225659, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=47, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=44, KernelMode=0, lcontext=58, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_12=0, UNLOADED=0] [L983] COND FALSE !(s == NP) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=47, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=44, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=3221225659, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=47, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=44, KernelMode=0, lcontext=58, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_12=0, UNLOADED=0] [L987] COND FALSE !(s == MPR1) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=47, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=44, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=3221225659, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=47, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=44, KernelMode=0, lcontext=58, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_12=0, UNLOADED=0] [L996] COND TRUE s == SKIP1 [L997] s = SKIP2 [L998] lowerDriverReturn = returnVal2 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=47, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=44, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=3221225659, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=47, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=44, KernelMode=0, lcontext=58, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_12=0, UNLOADED=0] [L1006] return (returnVal2); VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=47, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=44, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=3221225659, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, \result=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=47, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=44, KernelMode=0, lcontext=58, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_12=0, UNLOADED=0] [L284] RET, EXPR IofCallDriver(disketteExtension__TargetObject, Irp) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=45, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=44, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=3221225659, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=45, DeviceObject__DeviceExtension=50, DiskController=0, disketteExtension=50, disketteExtension__ArcName=49, disketteExtension__ArcName__Length=52, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=51, disketteExtension__InterfaceString__Buffer=46, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=2147483648, disketteExtension__TargetObject=47, doneEvent=53, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IofCallDriver(disketteExtension__TargetObject, Irp)=0, IoGetConfigurationInformation__FloppyCount=54, IPC=7, Irp=44, Irp__CurrentLocation=257, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=1, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L284] ntStatus = IofCallDriver(disketteExtension__TargetObject, Irp) [L430] PagingReferenceCount -- VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=45, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=44, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=3221225659, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=45, DeviceObject__DeviceExtension=50, DiskController=0, disketteExtension=50, disketteExtension__ArcName=49, disketteExtension__ArcName__Length=52, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=51, disketteExtension__InterfaceString__Buffer=46, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=2147483648, disketteExtension__TargetObject=47, doneEvent=53, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=54, IPC=7, Irp=44, Irp__CurrentLocation=257, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=1, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L431] COND TRUE PagingReferenceCount == 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=45, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=44, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=3221225659, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=45, DeviceObject__DeviceExtension=50, DiskController=0, disketteExtension=50, disketteExtension__ArcName=49, disketteExtension__ArcName__Length=52, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=51, disketteExtension__InterfaceString__Buffer=46, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=2147483648, disketteExtension__TargetObject=47, doneEvent=53, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=54, IPC=7, Irp=44, Irp__CurrentLocation=257, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=1, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L434] return (ntStatus); VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=45, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=44, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=3221225659, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, \result=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=45, DeviceObject__DeviceExtension=50, DiskController=0, disketteExtension=50, disketteExtension__ArcName=49, disketteExtension__ArcName__Length=52, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=51, disketteExtension__InterfaceString__Buffer=46, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=2147483648, disketteExtension__TargetObject=47, doneEvent=53, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=54, IPC=7, Irp=44, Irp__CurrentLocation=257, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=1, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L740] RET, EXPR FloppyPnp(devobj, pirp) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=45, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyPnp(devobj, pirp)=0, FloppyThread=0, IPC=7, irp=44, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=44, pirp__IoStatus__Status=3221225659, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L740] status = FloppyPnp(devobj, pirp) [L750] COND TRUE pended == 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=45, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=44, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=44, pirp__IoStatus__Status=3221225659, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L751] COND FALSE !(s == NP) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=45, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=44, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=44, pirp__IoStatus__Status=3221225659, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L758] COND TRUE pended == 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=45, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=44, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=44, pirp__IoStatus__Status=3221225659, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L759] COND FALSE !(s == MPR3) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=45, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=44, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=44, pirp__IoStatus__Status=3221225659, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L766] COND TRUE s != UNLOADED VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=45, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=44, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=44, pirp__IoStatus__Status=3221225659, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L767] COND TRUE status != -1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=45, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=44, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=44, pirp__IoStatus__Status=3221225659, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L768] COND FALSE !(s != SKIP2) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=45, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=44, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=44, pirp__IoStatus__Status=3221225659, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L782] COND TRUE pended == 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=45, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=44, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=44, pirp__IoStatus__Status=3221225659, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L783] COND TRUE status != 259 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=45, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=44, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=44, pirp__IoStatus__Status=3221225659, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L784] CALL errorFn() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L65] reach_error() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] - UnprovableResult [Line: 670]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 309 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 68377.5ms, OverallIterations: 39, TraceHistogramMax: 1, EmptinessCheckTime: 63.7ms, AutomataDifference: 10764.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 20.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 14050 SDtfs, 11067 SDslu, 40487 SDs, 0 SdLazy, 7912 SolverSat, 2010 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7234.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4217 GetRequests, 3948 SyntacticMatches, 0 SemanticMatches, 269 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 410 ImplicationChecksByTransitivity, 2147.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=769occurred in iteration=11, InterpolantAutomatonStates: 284, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 583.3ms AutomataMinimizationTime, 38 MinimizatonAttempts, 1280 StatesRemovedByMinimization, 33 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1259.4ms SsaConstructionTime, 3634.9ms SatisfiabilityAnalysisTime, 16766.9ms InterpolantComputationTime, 2179 NumberOfCodeBlocks, 2179 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 4118 ConstructedInterpolants, 0 QuantifiedInterpolants, 9287 SizeOfPredicates, 53 NumberOfNonLiveVariables, 14609 ConjunctsInSsa, 198 ConjunctsInUnsatCore, 76 InterpolantComputations, 76 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 could not prove your program: unable to determine feasibility of some traces [2021-08-27 07:49:54,325 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...