/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 03:29:04,209 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 03:29:04,212 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 03:29:04,259 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 03:29:04,260 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 03:29:04,263 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 03:29:04,268 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 03:29:04,277 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 03:29:04,284 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 03:29:04,287 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 03:29:04,288 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 03:29:04,291 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 03:29:04,291 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 03:29:04,299 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 03:29:04,300 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 03:29:04,323 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 03:29:04,324 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 03:29:04,327 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 03:29:04,331 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 03:29:04,335 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 03:29:04,341 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 03:29:04,342 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 03:29:04,344 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 03:29:04,345 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 03:29:04,354 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 03:29:04,358 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 03:29:04,361 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 03:29:04,362 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 03:29:04,363 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 03:29:04,366 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 03:29:04,366 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 03:29:04,367 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 03:29:04,367 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 03:29:04,368 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 03:29:04,369 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 03:29:04,370 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 03:29:04,371 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-10-16 03:29:04,424 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 03:29:04,425 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 03:29:04,426 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 03:29:04,426 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 03:29:04,428 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 03:29:04,428 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 03:29:04,431 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 03:29:04,431 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 03:29:04,432 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 03:29:04,432 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 03:29:04,433 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 03:29:04,433 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 03:29:04,434 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 03:29:04,434 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 03:29:04,434 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 03:29:04,434 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-16 03:29:04,435 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-16 03:29:04,435 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-16 03:29:04,435 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 03:29:04,435 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-16 03:29:04,435 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 03:29:04,436 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 03:29:04,436 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 03:29:04,436 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 03:29:04,436 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 03:29:04,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 03:29:04,437 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 03:29:04,437 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 03:29:04,437 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 03:29:04,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 03:29:04,438 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 03:29:04,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 03:29:04,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 03:29:04,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 03:29:04,894 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 03:29:04,895 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 03:29:04,897 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-10-16 03:29:04,969 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/336e0ab5a/a8bf5350b4594a10a83fdcf7af0ccb42/FLAG21919f8ba [2022-10-16 03:29:05,804 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 03:29:05,805 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-10-16 03:29:05,840 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/336e0ab5a/a8bf5350b4594a10a83fdcf7af0ccb42/FLAG21919f8ba [2022-10-16 03:29:05,863 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/336e0ab5a/a8bf5350b4594a10a83fdcf7af0ccb42 [2022-10-16 03:29:05,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 03:29:05,871 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 03:29:05,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 03:29:05,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 03:29:05,877 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 03:29:05,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:29:05" (1/1) ... [2022-10-16 03:29:05,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f1a8c83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:29:05, skipping insertion in model container [2022-10-16 03:29:05,880 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:29:05" (1/1) ... [2022-10-16 03:29:05,889 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 03:29:06,032 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 03:29:06,327 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[7184,7197] [2022-10-16 03:29:06,389 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[11285,11298] [2022-10-16 03:29:06,445 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[18315,18328] [2022-10-16 03:29:06,476 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[24747,24760] [2022-10-16 03:29:06,575 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[43722,43735] [2022-10-16 03:29:06,677 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[71504,71517] [2022-10-16 03:29:06,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 03:29:06,998 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 03:29:07,062 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[7184,7197] [2022-10-16 03:29:07,082 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[11285,11298] [2022-10-16 03:29:07,105 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[18315,18328] [2022-10-16 03:29:07,123 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[24747,24760] [2022-10-16 03:29:07,166 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[43722,43735] [2022-10-16 03:29:07,230 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[71504,71517] [2022-10-16 03:29:07,357 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 03:29:07,383 INFO L208 MainTranslator]: Completed translation [2022-10-16 03:29:07,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:29:07 WrapperNode [2022-10-16 03:29:07,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 03:29:07,385 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 03:29:07,385 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 03:29:07,385 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 03:29:07,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:29:07" (1/1) ... [2022-10-16 03:29:07,438 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:29:07" (1/1) ... [2022-10-16 03:29:07,640 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 5623 [2022-10-16 03:29:07,641 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 03:29:07,642 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 03:29:07,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 03:29:07,643 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 03:29:07,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:29:07" (1/1) ... [2022-10-16 03:29:07,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:29:07" (1/1) ... [2022-10-16 03:29:07,679 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:29:07" (1/1) ... [2022-10-16 03:29:07,679 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:29:07" (1/1) ... [2022-10-16 03:29:07,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:29:07" (1/1) ... [2022-10-16 03:29:07,789 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:29:07" (1/1) ... [2022-10-16 03:29:07,810 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:29:07" (1/1) ... [2022-10-16 03:29:07,827 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:29:07" (1/1) ... [2022-10-16 03:29:07,860 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 03:29:07,862 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 03:29:07,862 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 03:29:07,862 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 03:29:07,863 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:29:07" (1/1) ... [2022-10-16 03:29:07,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 03:29:07,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 03:29:07,907 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 03:29:07,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 03:29:07,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 03:29:07,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 03:29:07,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 03:29:07,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 03:29:08,384 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 03:29:08,386 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 03:29:11,073 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 03:29:11,153 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 03:29:11,154 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 03:29:11,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:29:11 BoogieIcfgContainer [2022-10-16 03:29:11,165 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 03:29:11,174 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 03:29:11,175 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 03:29:11,182 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 03:29:11,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:29:05" (1/3) ... [2022-10-16 03:29:11,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d4aa4c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:29:11, skipping insertion in model container [2022-10-16 03:29:11,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:29:07" (2/3) ... [2022-10-16 03:29:11,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d4aa4c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:29:11, skipping insertion in model container [2022-10-16 03:29:11,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:29:11" (3/3) ... [2022-10-16 03:29:11,188 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-10-16 03:29:11,214 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 03:29:11,214 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2022-10-16 03:29:11,328 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 03:29:11,337 INFO L357 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, mAutomataTypeConcurrency=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3bf676ea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 03:29:11,338 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-10-16 03:29:11,353 INFO L276 IsEmpty]: Start isEmpty. Operand has 1255 states, 1247 states have (on average 1.8051323175621492) internal successors, (2251), 1254 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:11,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 03:29:11,374 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:29:11,375 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 03:29:11,379 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:29:11,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:29:11,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1103429, now seen corresponding path program 1 times [2022-10-16 03:29:11,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:29:11,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489008091] [2022-10-16 03:29:11,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:29:11,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:29:11,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:29:11,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:29:11,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:29:11,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489008091] [2022-10-16 03:29:11,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489008091] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:29:11,869 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:29:11,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 03:29:11,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910819805] [2022-10-16 03:29:11,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:29:11,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:29:11,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:29:11,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:29:11,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:29:11,921 INFO L87 Difference]: Start difference. First operand has 1255 states, 1247 states have (on average 1.8051323175621492) internal successors, (2251), 1254 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:12,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:29:12,070 INFO L93 Difference]: Finished difference Result 1254 states and 2244 transitions. [2022-10-16 03:29:12,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:29:12,075 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-10-16 03:29:12,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:29:12,112 INFO L225 Difference]: With dead ends: 1254 [2022-10-16 03:29:12,113 INFO L226 Difference]: Without dead ends: 1251 [2022-10-16 03:29:12,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:29:12,121 INFO L413 NwaCegarLoop]: 2243 mSDtfsCounter, 2241 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2241 SdHoareTripleChecker+Valid, 2243 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:29:12,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2241 Valid, 2243 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:29:12,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1251 states. [2022-10-16 03:29:12,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1251 to 1251. [2022-10-16 03:29:12,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1251 states, 1245 states have (on average 1.342168674698795) internal successors, (1671), 1250 states have internal predecessors, (1671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:12,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1251 states to 1251 states and 1671 transitions. [2022-10-16 03:29:12,254 INFO L78 Accepts]: Start accepts. Automaton has 1251 states and 1671 transitions. Word has length 4 [2022-10-16 03:29:12,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:29:12,256 INFO L495 AbstractCegarLoop]: Abstraction has 1251 states and 1671 transitions. [2022-10-16 03:29:12,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:12,257 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 1671 transitions. [2022-10-16 03:29:12,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-16 03:29:12,279 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:29:12,280 INFO L195 NwaCegarLoop]: 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] [2022-10-16 03:29:12,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 03:29:12,281 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:29:12,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:29:12,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1061871762, now seen corresponding path program 1 times [2022-10-16 03:29:12,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:29:12,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913404740] [2022-10-16 03:29:12,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:29:12,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:29:12,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:29:12,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:29:12,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:29:12,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913404740] [2022-10-16 03:29:12,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913404740] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:29:12,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:29:12,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:29:12,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279445719] [2022-10-16 03:29:12,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:29:12,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:29:12,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:29:12,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:29:12,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:29:12,633 INFO L87 Difference]: Start difference. First operand 1251 states and 1671 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:14,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:29:14,072 INFO L93 Difference]: Finished difference Result 1550 states and 2090 transitions. [2022-10-16 03:29:14,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:29:14,073 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2022-10-16 03:29:14,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:29:14,081 INFO L225 Difference]: With dead ends: 1550 [2022-10-16 03:29:14,081 INFO L226 Difference]: Without dead ends: 1550 [2022-10-16 03:29:14,082 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:29:14,083 INFO L413 NwaCegarLoop]: 649 mSDtfsCounter, 5433 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 1148 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5433 SdHoareTripleChecker+Valid, 1001 SdHoareTripleChecker+Invalid, 1244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 1148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:29:14,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5433 Valid, 1001 Invalid, 1244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 1148 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 03:29:14,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1550 states. [2022-10-16 03:29:14,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1550 to 1544. [2022-10-16 03:29:14,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1544 states, 1538 states have (on average 1.3563068920676202) internal successors, (2086), 1543 states have internal predecessors, (2086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:14,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1544 states to 1544 states and 2086 transitions. [2022-10-16 03:29:14,128 INFO L78 Accepts]: Start accepts. Automaton has 1544 states and 2086 transitions. Word has length 51 [2022-10-16 03:29:14,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:29:14,129 INFO L495 AbstractCegarLoop]: Abstraction has 1544 states and 2086 transitions. [2022-10-16 03:29:14,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:14,129 INFO L276 IsEmpty]: Start isEmpty. Operand 1544 states and 2086 transitions. [2022-10-16 03:29:14,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-16 03:29:14,134 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:29:14,134 INFO L195 NwaCegarLoop]: 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] [2022-10-16 03:29:14,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 03:29:14,134 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:29:14,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:29:14,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1625759521, now seen corresponding path program 1 times [2022-10-16 03:29:14,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:29:14,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218890508] [2022-10-16 03:29:14,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:29:14,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:29:14,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:29:14,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:29:14,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:29:14,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218890508] [2022-10-16 03:29:14,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218890508] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:29:14,363 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:29:14,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:29:14,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361496700] [2022-10-16 03:29:14,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:29:14,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:29:14,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:29:14,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:29:14,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:29:14,369 INFO L87 Difference]: Start difference. First operand 1544 states and 2086 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:15,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:29:15,389 INFO L93 Difference]: Finished difference Result 2189 states and 2995 transitions. [2022-10-16 03:29:15,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:29:15,390 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-10-16 03:29:15,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:29:15,401 INFO L225 Difference]: With dead ends: 2189 [2022-10-16 03:29:15,401 INFO L226 Difference]: Without dead ends: 2189 [2022-10-16 03:29:15,402 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:29:15,403 INFO L413 NwaCegarLoop]: 675 mSDtfsCounter, 5040 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 913 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5040 SdHoareTripleChecker+Valid, 1030 SdHoareTripleChecker+Invalid, 961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 913 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 03:29:15,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5040 Valid, 1030 Invalid, 961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 913 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 03:29:15,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2189 states. [2022-10-16 03:29:15,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2189 to 2177. [2022-10-16 03:29:15,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2177 states, 2171 states have (on average 1.3754030400736987) internal successors, (2986), 2176 states have internal predecessors, (2986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:15,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2177 states to 2177 states and 2986 transitions. [2022-10-16 03:29:15,500 INFO L78 Accepts]: Start accepts. Automaton has 2177 states and 2986 transitions. Word has length 52 [2022-10-16 03:29:15,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:29:15,501 INFO L495 AbstractCegarLoop]: Abstraction has 2177 states and 2986 transitions. [2022-10-16 03:29:15,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:15,501 INFO L276 IsEmpty]: Start isEmpty. Operand 2177 states and 2986 transitions. [2022-10-16 03:29:15,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-16 03:29:15,505 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:29:15,505 INFO L195 NwaCegarLoop]: 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] [2022-10-16 03:29:15,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 03:29:15,506 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:29:15,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:29:15,507 INFO L85 PathProgramCache]: Analyzing trace with hash 299183278, now seen corresponding path program 1 times [2022-10-16 03:29:15,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:29:15,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505308606] [2022-10-16 03:29:15,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:29:15,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:29:15,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:29:15,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:29:15,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:29:15,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505308606] [2022-10-16 03:29:15,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505308606] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:29:15,694 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:29:15,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:29:15,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430640184] [2022-10-16 03:29:15,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:29:15,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:29:15,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:29:15,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:29:15,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:29:15,696 INFO L87 Difference]: Start difference. First operand 2177 states and 2986 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:16,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:29:16,572 INFO L93 Difference]: Finished difference Result 3045 states and 4177 transitions. [2022-10-16 03:29:16,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:29:16,573 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-10-16 03:29:16,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:29:16,590 INFO L225 Difference]: With dead ends: 3045 [2022-10-16 03:29:16,591 INFO L226 Difference]: Without dead ends: 3045 [2022-10-16 03:29:16,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:29:16,601 INFO L413 NwaCegarLoop]: 595 mSDtfsCounter, 4459 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 837 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4459 SdHoareTripleChecker+Valid, 884 SdHoareTripleChecker+Invalid, 895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 837 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 03:29:16,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4459 Valid, 884 Invalid, 895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 837 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 03:29:16,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3045 states. [2022-10-16 03:29:16,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3045 to 3035. [2022-10-16 03:29:16,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3035 states, 3029 states have (on average 1.3766919775503466) internal successors, (4170), 3034 states have internal predecessors, (4170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:16,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3035 states to 3035 states and 4170 transitions. [2022-10-16 03:29:16,691 INFO L78 Accepts]: Start accepts. Automaton has 3035 states and 4170 transitions. Word has length 52 [2022-10-16 03:29:16,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:29:16,692 INFO L495 AbstractCegarLoop]: Abstraction has 3035 states and 4170 transitions. [2022-10-16 03:29:16,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:16,692 INFO L276 IsEmpty]: Start isEmpty. Operand 3035 states and 4170 transitions. [2022-10-16 03:29:16,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-16 03:29:16,696 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:29:16,696 INFO L195 NwaCegarLoop]: 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] [2022-10-16 03:29:16,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 03:29:16,697 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:29:16,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:29:16,698 INFO L85 PathProgramCache]: Analyzing trace with hash 448762372, now seen corresponding path program 1 times [2022-10-16 03:29:16,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:29:16,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318281047] [2022-10-16 03:29:16,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:29:16,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:29:16,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:29:17,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:29:17,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:29:17,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318281047] [2022-10-16 03:29:17,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318281047] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:29:17,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:29:17,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:29:17,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926763574] [2022-10-16 03:29:17,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:29:17,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:29:17,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:29:17,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:29:17,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:29:17,317 INFO L87 Difference]: Start difference. First operand 3035 states and 4170 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:20,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:29:20,209 INFO L93 Difference]: Finished difference Result 5550 states and 7780 transitions. [2022-10-16 03:29:20,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:29:20,210 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-10-16 03:29:20,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:29:20,239 INFO L225 Difference]: With dead ends: 5550 [2022-10-16 03:29:20,239 INFO L226 Difference]: Without dead ends: 5550 [2022-10-16 03:29:20,240 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:29:20,241 INFO L413 NwaCegarLoop]: 701 mSDtfsCounter, 5840 mSDsluCounter, 3124 mSDsCounter, 0 mSdLazyCounter, 4068 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5840 SdHoareTripleChecker+Valid, 3825 SdHoareTripleChecker+Invalid, 4244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 4068 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-10-16 03:29:20,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5840 Valid, 3825 Invalid, 4244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 4068 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-10-16 03:29:20,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5550 states. [2022-10-16 03:29:20,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5550 to 3035. [2022-10-16 03:29:20,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3035 states, 3029 states have (on average 1.3763618355893035) internal successors, (4169), 3034 states have internal predecessors, (4169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:20,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3035 states to 3035 states and 4169 transitions. [2022-10-16 03:29:20,403 INFO L78 Accepts]: Start accepts. Automaton has 3035 states and 4169 transitions. Word has length 53 [2022-10-16 03:29:20,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:29:20,404 INFO L495 AbstractCegarLoop]: Abstraction has 3035 states and 4169 transitions. [2022-10-16 03:29:20,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:20,405 INFO L276 IsEmpty]: Start isEmpty. Operand 3035 states and 4169 transitions. [2022-10-16 03:29:20,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-16 03:29:20,420 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:29:20,421 INFO L195 NwaCegarLoop]: 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] [2022-10-16 03:29:20,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 03:29:20,422 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:29:20,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:29:20,422 INFO L85 PathProgramCache]: Analyzing trace with hash 303472925, now seen corresponding path program 1 times [2022-10-16 03:29:20,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:29:20,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532534542] [2022-10-16 03:29:20,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:29:20,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:29:20,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:29:20,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:29:20,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:29:20,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532534542] [2022-10-16 03:29:20,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532534542] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:29:20,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:29:20,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:29:20,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168397871] [2022-10-16 03:29:20,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:29:20,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:29:20,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:29:20,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:29:20,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:29:20,862 INFO L87 Difference]: Start difference. First operand 3035 states and 4169 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:22,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:29:22,920 INFO L93 Difference]: Finished difference Result 4558 states and 6355 transitions. [2022-10-16 03:29:22,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:29:22,922 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-10-16 03:29:22,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:29:22,952 INFO L225 Difference]: With dead ends: 4558 [2022-10-16 03:29:22,952 INFO L226 Difference]: Without dead ends: 4558 [2022-10-16 03:29:22,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-10-16 03:29:22,954 INFO L413 NwaCegarLoop]: 660 mSDtfsCounter, 6421 mSDsluCounter, 2174 mSDsCounter, 0 mSdLazyCounter, 2815 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6421 SdHoareTripleChecker+Valid, 2834 SdHoareTripleChecker+Invalid, 2965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 2815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-16 03:29:22,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6421 Valid, 2834 Invalid, 2965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 2815 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-16 03:29:22,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4558 states. [2022-10-16 03:29:23,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4558 to 3035. [2022-10-16 03:29:23,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3035 states, 3029 states have (on average 1.3760316936282602) internal successors, (4168), 3034 states have internal predecessors, (4168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:23,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3035 states to 3035 states and 4168 transitions. [2022-10-16 03:29:23,074 INFO L78 Accepts]: Start accepts. Automaton has 3035 states and 4168 transitions. Word has length 53 [2022-10-16 03:29:23,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:29:23,074 INFO L495 AbstractCegarLoop]: Abstraction has 3035 states and 4168 transitions. [2022-10-16 03:29:23,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:23,074 INFO L276 IsEmpty]: Start isEmpty. Operand 3035 states and 4168 transitions. [2022-10-16 03:29:23,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-16 03:29:23,078 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:29:23,078 INFO L195 NwaCegarLoop]: 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] [2022-10-16 03:29:23,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 03:29:23,078 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:29:23,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:29:23,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1162103691, now seen corresponding path program 1 times [2022-10-16 03:29:23,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:29:23,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763148091] [2022-10-16 03:29:23,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:29:23,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:29:23,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:29:23,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:29:23,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:29:23,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763148091] [2022-10-16 03:29:23,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763148091] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:29:23,369 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:29:23,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 03:29:23,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015378130] [2022-10-16 03:29:23,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:29:23,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 03:29:23,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:29:23,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 03:29:23,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 03:29:23,371 INFO L87 Difference]: Start difference. First operand 3035 states and 4168 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:24,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:29:24,928 INFO L93 Difference]: Finished difference Result 4424 states and 6219 transitions. [2022-10-16 03:29:24,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 03:29:24,929 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-10-16 03:29:24,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:29:24,951 INFO L225 Difference]: With dead ends: 4424 [2022-10-16 03:29:24,952 INFO L226 Difference]: Without dead ends: 4424 [2022-10-16 03:29:24,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2022-10-16 03:29:24,953 INFO L413 NwaCegarLoop]: 656 mSDtfsCounter, 6869 mSDsluCounter, 1542 mSDsCounter, 0 mSdLazyCounter, 1963 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6869 SdHoareTripleChecker+Valid, 2198 SdHoareTripleChecker+Invalid, 2032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 1963 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:29:24,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6869 Valid, 2198 Invalid, 2032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 1963 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 03:29:24,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4424 states. [2022-10-16 03:29:25,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4424 to 3035. [2022-10-16 03:29:25,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3035 states, 3029 states have (on average 1.3757015516672169) internal successors, (4167), 3034 states have internal predecessors, (4167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:25,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3035 states to 3035 states and 4167 transitions. [2022-10-16 03:29:25,044 INFO L78 Accepts]: Start accepts. Automaton has 3035 states and 4167 transitions. Word has length 53 [2022-10-16 03:29:25,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:29:25,044 INFO L495 AbstractCegarLoop]: Abstraction has 3035 states and 4167 transitions. [2022-10-16 03:29:25,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:25,045 INFO L276 IsEmpty]: Start isEmpty. Operand 3035 states and 4167 transitions. [2022-10-16 03:29:25,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-16 03:29:25,048 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:29:25,048 INFO L195 NwaCegarLoop]: 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] [2022-10-16 03:29:25,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 03:29:25,049 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:29:25,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:29:25,049 INFO L85 PathProgramCache]: Analyzing trace with hash -482264145, now seen corresponding path program 1 times [2022-10-16 03:29:25,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:29:25,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427380841] [2022-10-16 03:29:25,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:29:25,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:29:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:29:25,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:29:25,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:29:25,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427380841] [2022-10-16 03:29:25,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427380841] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:29:25,121 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:29:25,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:29:25,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747695457] [2022-10-16 03:29:25,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:29:25,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:29:25,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:29:25,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:29:25,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:29:25,123 INFO L87 Difference]: Start difference. First operand 3035 states and 4167 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:25,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:29:25,185 INFO L93 Difference]: Finished difference Result 3088 states and 4264 transitions. [2022-10-16 03:29:25,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:29:25,186 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-10-16 03:29:25,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:29:25,200 INFO L225 Difference]: With dead ends: 3088 [2022-10-16 03:29:25,201 INFO L226 Difference]: Without dead ends: 3088 [2022-10-16 03:29:25,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:29:25,202 INFO L413 NwaCegarLoop]: 1186 mSDtfsCounter, 579 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 579 SdHoareTripleChecker+Valid, 1785 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:29:25,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [579 Valid, 1785 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:29:25,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3088 states. [2022-10-16 03:29:25,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3088 to 3086. [2022-10-16 03:29:25,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3086 states, 3080 states have (on average 1.384090909090909) internal successors, (4263), 3085 states have internal predecessors, (4263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:25,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3086 states to 3086 states and 4263 transitions. [2022-10-16 03:29:25,263 INFO L78 Accepts]: Start accepts. Automaton has 3086 states and 4263 transitions. Word has length 54 [2022-10-16 03:29:25,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:29:25,263 INFO L495 AbstractCegarLoop]: Abstraction has 3086 states and 4263 transitions. [2022-10-16 03:29:25,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:25,264 INFO L276 IsEmpty]: Start isEmpty. Operand 3086 states and 4263 transitions. [2022-10-16 03:29:25,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-16 03:29:25,267 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:29:25,267 INFO L195 NwaCegarLoop]: 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] [2022-10-16 03:29:25,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 03:29:25,268 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:29:25,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:29:25,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1622556323, now seen corresponding path program 1 times [2022-10-16 03:29:25,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:29:25,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779322462] [2022-10-16 03:29:25,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:29:25,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:29:25,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:29:25,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:29:25,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:29:25,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779322462] [2022-10-16 03:29:25,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779322462] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:29:25,338 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:29:25,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:29:25,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422901667] [2022-10-16 03:29:25,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:29:25,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:29:25,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:29:25,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:29:25,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:29:25,341 INFO L87 Difference]: Start difference. First operand 3086 states and 4263 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:25,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:29:25,399 INFO L93 Difference]: Finished difference Result 3508 states and 4942 transitions. [2022-10-16 03:29:25,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:29:25,400 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-10-16 03:29:25,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:29:25,409 INFO L225 Difference]: With dead ends: 3508 [2022-10-16 03:29:25,409 INFO L226 Difference]: Without dead ends: 3508 [2022-10-16 03:29:25,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:29:25,410 INFO L413 NwaCegarLoop]: 1143 mSDtfsCounter, 577 mSDsluCounter, 593 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 1736 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:29:25,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [577 Valid, 1736 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:29:25,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3508 states. [2022-10-16 03:29:25,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3508 to 3506. [2022-10-16 03:29:25,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3506 states, 3500 states have (on average 1.4117142857142857) internal successors, (4941), 3505 states have internal predecessors, (4941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:25,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3506 states to 3506 states and 4941 transitions. [2022-10-16 03:29:25,517 INFO L78 Accepts]: Start accepts. Automaton has 3506 states and 4941 transitions. Word has length 54 [2022-10-16 03:29:25,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:29:25,517 INFO L495 AbstractCegarLoop]: Abstraction has 3506 states and 4941 transitions. [2022-10-16 03:29:25,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:25,518 INFO L276 IsEmpty]: Start isEmpty. Operand 3506 states and 4941 transitions. [2022-10-16 03:29:25,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-16 03:29:25,521 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:29:25,521 INFO L195 NwaCegarLoop]: 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] [2022-10-16 03:29:25,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 03:29:25,522 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:29:25,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:29:25,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1612308197, now seen corresponding path program 1 times [2022-10-16 03:29:25,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:29:25,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382627992] [2022-10-16 03:29:25,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:29:25,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:29:25,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:29:25,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:29:25,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:29:25,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382627992] [2022-10-16 03:29:25,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382627992] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:29:25,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:29:25,602 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:29:25,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359862176] [2022-10-16 03:29:25,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:29:25,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:29:25,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:29:25,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:29:25,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:29:25,603 INFO L87 Difference]: Start difference. First operand 3506 states and 4941 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:25,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:29:25,712 INFO L93 Difference]: Finished difference Result 5153 states and 7270 transitions. [2022-10-16 03:29:25,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:29:25,712 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-10-16 03:29:25,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:29:25,723 INFO L225 Difference]: With dead ends: 5153 [2022-10-16 03:29:25,723 INFO L226 Difference]: Without dead ends: 5153 [2022-10-16 03:29:25,724 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:29:25,724 INFO L413 NwaCegarLoop]: 1200 mSDtfsCounter, 649 mSDsluCounter, 761 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 649 SdHoareTripleChecker+Valid, 1961 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:29:25,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [649 Valid, 1961 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:29:25,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5153 states. [2022-10-16 03:29:25,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5153 to 5147. [2022-10-16 03:29:25,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5147 states, 5141 states have (on average 1.4133437074499124) internal successors, (7266), 5146 states have internal predecessors, (7266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:25,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5147 states to 5147 states and 7266 transitions. [2022-10-16 03:29:25,821 INFO L78 Accepts]: Start accepts. Automaton has 5147 states and 7266 transitions. Word has length 54 [2022-10-16 03:29:25,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:29:25,821 INFO L495 AbstractCegarLoop]: Abstraction has 5147 states and 7266 transitions. [2022-10-16 03:29:25,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:25,822 INFO L276 IsEmpty]: Start isEmpty. Operand 5147 states and 7266 transitions. [2022-10-16 03:29:25,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-16 03:29:25,825 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:29:25,825 INFO L195 NwaCegarLoop]: 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] [2022-10-16 03:29:25,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 03:29:25,826 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:29:25,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:29:25,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1623263409, now seen corresponding path program 1 times [2022-10-16 03:29:25,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:29:25,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249465763] [2022-10-16 03:29:25,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:29:25,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:29:25,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:29:25,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:29:25,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:29:25,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249465763] [2022-10-16 03:29:25,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249465763] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:29:25,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:29:25,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:29:25,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147387166] [2022-10-16 03:29:25,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:29:25,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:29:25,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:29:25,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:29:25,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:29:25,889 INFO L87 Difference]: Start difference. First operand 5147 states and 7266 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:25,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:29:25,979 INFO L93 Difference]: Finished difference Result 5408 states and 7675 transitions. [2022-10-16 03:29:25,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:29:25,979 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2022-10-16 03:29:25,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:29:25,991 INFO L225 Difference]: With dead ends: 5408 [2022-10-16 03:29:25,991 INFO L226 Difference]: Without dead ends: 5408 [2022-10-16 03:29:25,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:29:25,992 INFO L413 NwaCegarLoop]: 855 mSDtfsCounter, 848 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 848 SdHoareTripleChecker+Valid, 1285 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:29:25,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [848 Valid, 1285 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:29:25,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5408 states. [2022-10-16 03:29:26,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5408 to 4343. [2022-10-16 03:29:26,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4343 states, 4338 states have (on average 1.4250806823420932) internal successors, (6182), 4342 states have internal predecessors, (6182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:26,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4343 states to 4343 states and 6182 transitions. [2022-10-16 03:29:26,071 INFO L78 Accepts]: Start accepts. Automaton has 4343 states and 6182 transitions. Word has length 55 [2022-10-16 03:29:26,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:29:26,071 INFO L495 AbstractCegarLoop]: Abstraction has 4343 states and 6182 transitions. [2022-10-16 03:29:26,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:26,071 INFO L276 IsEmpty]: Start isEmpty. Operand 4343 states and 6182 transitions. [2022-10-16 03:29:26,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-16 03:29:26,074 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:29:26,074 INFO L195 NwaCegarLoop]: 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] [2022-10-16 03:29:26,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 03:29:26,075 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:29:26,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:29:26,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1493102210, now seen corresponding path program 1 times [2022-10-16 03:29:26,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:29:26,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104340640] [2022-10-16 03:29:26,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:29:26,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:29:26,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:29:26,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:29:26,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:29:26,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104340640] [2022-10-16 03:29:26,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104340640] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:29:26,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:29:26,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:29:26,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701148274] [2022-10-16 03:29:26,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:29:26,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:29:26,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:29:26,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:29:26,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:29:26,135 INFO L87 Difference]: Start difference. First operand 4343 states and 6182 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:26,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:29:26,227 INFO L93 Difference]: Finished difference Result 4679 states and 6701 transitions. [2022-10-16 03:29:26,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:29:26,228 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2022-10-16 03:29:26,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:29:26,238 INFO L225 Difference]: With dead ends: 4679 [2022-10-16 03:29:26,238 INFO L226 Difference]: Without dead ends: 4679 [2022-10-16 03:29:26,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:29:26,239 INFO L413 NwaCegarLoop]: 713 mSDtfsCounter, 659 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 659 SdHoareTripleChecker+Valid, 1016 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:29:26,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [659 Valid, 1016 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:29:26,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4679 states. [2022-10-16 03:29:26,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4679 to 3775. [2022-10-16 03:29:26,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3775 states, 3771 states have (on average 1.4346327234155396) internal successors, (5410), 3774 states have internal predecessors, (5410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:26,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3775 states to 3775 states and 5410 transitions. [2022-10-16 03:29:26,350 INFO L78 Accepts]: Start accepts. Automaton has 3775 states and 5410 transitions. Word has length 55 [2022-10-16 03:29:26,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:29:26,351 INFO L495 AbstractCegarLoop]: Abstraction has 3775 states and 5410 transitions. [2022-10-16 03:29:26,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:26,352 INFO L276 IsEmpty]: Start isEmpty. Operand 3775 states and 5410 transitions. [2022-10-16 03:29:26,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-16 03:29:26,360 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:29:26,360 INFO L195 NwaCegarLoop]: 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] [2022-10-16 03:29:26,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 03:29:26,361 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:29:26,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:29:26,362 INFO L85 PathProgramCache]: Analyzing trace with hash 1419432604, now seen corresponding path program 1 times [2022-10-16 03:29:26,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:29:26,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964285843] [2022-10-16 03:29:26,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:29:26,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:29:26,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:29:26,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:29:26,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:29:26,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964285843] [2022-10-16 03:29:26,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964285843] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:29:26,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:29:26,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:29:26,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562125014] [2022-10-16 03:29:26,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:29:26,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:29:26,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:29:26,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:29:26,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:29:26,428 INFO L87 Difference]: Start difference. First operand 3775 states and 5410 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:26,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:29:26,527 INFO L93 Difference]: Finished difference Result 4109 states and 5940 transitions. [2022-10-16 03:29:26,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:29:26,527 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2022-10-16 03:29:26,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:29:26,536 INFO L225 Difference]: With dead ends: 4109 [2022-10-16 03:29:26,536 INFO L226 Difference]: Without dead ends: 4109 [2022-10-16 03:29:26,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:29:26,538 INFO L413 NwaCegarLoop]: 661 mSDtfsCounter, 552 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 552 SdHoareTripleChecker+Valid, 917 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:29:26,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [552 Valid, 917 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:29:26,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4109 states. [2022-10-16 03:29:26,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4109 to 3304. [2022-10-16 03:29:26,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3304 states, 3300 states have (on average 1.4481818181818182) internal successors, (4779), 3303 states have internal predecessors, (4779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:26,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3304 states to 3304 states and 4779 transitions. [2022-10-16 03:29:26,615 INFO L78 Accepts]: Start accepts. Automaton has 3304 states and 4779 transitions. Word has length 55 [2022-10-16 03:29:26,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:29:26,616 INFO L495 AbstractCegarLoop]: Abstraction has 3304 states and 4779 transitions. [2022-10-16 03:29:26,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:26,616 INFO L276 IsEmpty]: Start isEmpty. Operand 3304 states and 4779 transitions. [2022-10-16 03:29:26,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-16 03:29:26,618 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:29:26,618 INFO L195 NwaCegarLoop]: 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] [2022-10-16 03:29:26,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 03:29:26,619 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:29:26,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:29:26,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1871407914, now seen corresponding path program 1 times [2022-10-16 03:29:26,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:29:26,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744555791] [2022-10-16 03:29:26,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:29:26,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:29:26,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:29:27,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:29:27,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:29:27,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744555791] [2022-10-16 03:29:27,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744555791] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:29:27,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:29:27,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-10-16 03:29:27,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655568658] [2022-10-16 03:29:27,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:29:27,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-10-16 03:29:27,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:29:27,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-10-16 03:29:27,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2022-10-16 03:29:27,773 INFO L87 Difference]: Start difference. First operand 3304 states and 4779 transitions. Second operand has 19 states, 19 states have (on average 2.9473684210526314) internal successors, (56), 19 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:31,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:29:31,054 INFO L93 Difference]: Finished difference Result 6976 states and 10114 transitions. [2022-10-16 03:29:31,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-16 03:29:31,054 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.9473684210526314) internal successors, (56), 19 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2022-10-16 03:29:31,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:29:31,070 INFO L225 Difference]: With dead ends: 6976 [2022-10-16 03:29:31,071 INFO L226 Difference]: Without dead ends: 6976 [2022-10-16 03:29:31,071 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=237, Invalid=1023, Unknown=0, NotChecked=0, Total=1260 [2022-10-16 03:29:31,072 INFO L413 NwaCegarLoop]: 720 mSDtfsCounter, 5546 mSDsluCounter, 6133 mSDsCounter, 0 mSdLazyCounter, 2920 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5546 SdHoareTripleChecker+Valid, 6853 SdHoareTripleChecker+Invalid, 3057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 2920 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:29:31,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5546 Valid, 6853 Invalid, 3057 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 2920 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-16 03:29:31,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6976 states. [2022-10-16 03:29:31,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6976 to 3316. [2022-10-16 03:29:31,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3316 states, 3312 states have (on average 1.4480676328502415) internal successors, (4796), 3315 states have internal predecessors, (4796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:31,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3316 states to 3316 states and 4796 transitions. [2022-10-16 03:29:31,153 INFO L78 Accepts]: Start accepts. Automaton has 3316 states and 4796 transitions. Word has length 56 [2022-10-16 03:29:31,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:29:31,153 INFO L495 AbstractCegarLoop]: Abstraction has 3316 states and 4796 transitions. [2022-10-16 03:29:31,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.9473684210526314) internal successors, (56), 19 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:31,153 INFO L276 IsEmpty]: Start isEmpty. Operand 3316 states and 4796 transitions. [2022-10-16 03:29:31,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-16 03:29:31,155 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:29:31,155 INFO L195 NwaCegarLoop]: 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] [2022-10-16 03:29:31,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 03:29:31,156 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:29:31,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:29:31,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1094868748, now seen corresponding path program 1 times [2022-10-16 03:29:31,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:29:31,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858879767] [2022-10-16 03:29:31,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:29:31,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:29:31,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:29:32,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:29:32,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:29:32,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858879767] [2022-10-16 03:29:32,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858879767] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:29:32,237 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:29:32,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-10-16 03:29:32,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330334733] [2022-10-16 03:29:32,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:29:32,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-10-16 03:29:32,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:29:32,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-10-16 03:29:32,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2022-10-16 03:29:32,239 INFO L87 Difference]: Start difference. First operand 3316 states and 4796 transitions. Second operand has 19 states, 19 states have (on average 2.9473684210526314) internal successors, (56), 19 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:35,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:29:35,723 INFO L93 Difference]: Finished difference Result 6362 states and 9203 transitions. [2022-10-16 03:29:35,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-16 03:29:35,724 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.9473684210526314) internal successors, (56), 19 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2022-10-16 03:29:35,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:29:35,740 INFO L225 Difference]: With dead ends: 6362 [2022-10-16 03:29:35,740 INFO L226 Difference]: Without dead ends: 6362 [2022-10-16 03:29:35,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=238, Invalid=884, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 03:29:35,743 INFO L413 NwaCegarLoop]: 738 mSDtfsCounter, 4340 mSDsluCounter, 7409 mSDsCounter, 0 mSdLazyCounter, 3229 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4340 SdHoareTripleChecker+Valid, 8147 SdHoareTripleChecker+Invalid, 3340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 3229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:29:35,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4340 Valid, 8147 Invalid, 3340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 3229 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-10-16 03:29:35,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6362 states. [2022-10-16 03:29:35,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6362 to 3323. [2022-10-16 03:29:35,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3323 states, 3319 states have (on average 1.447725218439289) internal successors, (4805), 3322 states have internal predecessors, (4805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:35,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3323 states to 3323 states and 4805 transitions. [2022-10-16 03:29:35,843 INFO L78 Accepts]: Start accepts. Automaton has 3323 states and 4805 transitions. Word has length 56 [2022-10-16 03:29:35,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:29:35,844 INFO L495 AbstractCegarLoop]: Abstraction has 3323 states and 4805 transitions. [2022-10-16 03:29:35,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.9473684210526314) internal successors, (56), 19 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:35,844 INFO L276 IsEmpty]: Start isEmpty. Operand 3323 states and 4805 transitions. [2022-10-16 03:29:35,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-16 03:29:35,846 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:29:35,846 INFO L195 NwaCegarLoop]: 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] [2022-10-16 03:29:35,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 03:29:35,847 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:29:35,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:29:35,848 INFO L85 PathProgramCache]: Analyzing trace with hash 557999134, now seen corresponding path program 1 times [2022-10-16 03:29:35,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:29:35,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602625794] [2022-10-16 03:29:35,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:29:35,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:29:35,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:29:36,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:29:36,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:29:36,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602625794] [2022-10-16 03:29:36,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602625794] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:29:36,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:29:36,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-10-16 03:29:36,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908762844] [2022-10-16 03:29:36,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:29:36,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-10-16 03:29:36,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:29:36,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-10-16 03:29:36,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2022-10-16 03:29:36,976 INFO L87 Difference]: Start difference. First operand 3323 states and 4805 transitions. Second operand has 19 states, 19 states have (on average 2.9473684210526314) internal successors, (56), 19 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:40,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:29:40,889 INFO L93 Difference]: Finished difference Result 6335 states and 9170 transitions. [2022-10-16 03:29:40,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-10-16 03:29:40,889 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.9473684210526314) internal successors, (56), 19 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2022-10-16 03:29:40,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:29:40,902 INFO L225 Difference]: With dead ends: 6335 [2022-10-16 03:29:40,902 INFO L226 Difference]: Without dead ends: 6335 [2022-10-16 03:29:40,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=331, Invalid=1151, Unknown=0, NotChecked=0, Total=1482 [2022-10-16 03:29:40,904 INFO L413 NwaCegarLoop]: 642 mSDtfsCounter, 5996 mSDsluCounter, 7212 mSDsCounter, 0 mSdLazyCounter, 3153 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5996 SdHoareTripleChecker+Valid, 7854 SdHoareTripleChecker+Invalid, 3294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 3153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:29:40,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5996 Valid, 7854 Invalid, 3294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 3153 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-10-16 03:29:40,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6335 states. [2022-10-16 03:29:40,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6335 to 3323. [2022-10-16 03:29:40,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3323 states, 3319 states have (on average 1.4474239228683339) internal successors, (4804), 3322 states have internal predecessors, (4804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:40,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3323 states to 3323 states and 4804 transitions. [2022-10-16 03:29:40,980 INFO L78 Accepts]: Start accepts. Automaton has 3323 states and 4804 transitions. Word has length 56 [2022-10-16 03:29:40,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:29:40,980 INFO L495 AbstractCegarLoop]: Abstraction has 3323 states and 4804 transitions. [2022-10-16 03:29:40,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.9473684210526314) internal successors, (56), 19 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:40,981 INFO L276 IsEmpty]: Start isEmpty. Operand 3323 states and 4804 transitions. [2022-10-16 03:29:40,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-16 03:29:40,982 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:29:40,983 INFO L195 NwaCegarLoop]: 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] [2022-10-16 03:29:40,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 03:29:40,984 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:29:40,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:29:40,984 INFO L85 PathProgramCache]: Analyzing trace with hash 513328539, now seen corresponding path program 1 times [2022-10-16 03:29:40,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:29:40,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673593351] [2022-10-16 03:29:40,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:29:40,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:29:41,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:29:41,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:29:41,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:29:41,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673593351] [2022-10-16 03:29:41,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673593351] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:29:41,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:29:41,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-16 03:29:41,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215182235] [2022-10-16 03:29:41,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:29:41,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:29:41,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:29:41,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:29:41,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:29:41,754 INFO L87 Difference]: Start difference. First operand 3323 states and 4804 transitions. Second operand has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:43,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:29:43,112 INFO L93 Difference]: Finished difference Result 6689 states and 9704 transitions. [2022-10-16 03:29:43,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 03:29:43,112 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2022-10-16 03:29:43,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:29:43,124 INFO L225 Difference]: With dead ends: 6689 [2022-10-16 03:29:43,124 INFO L226 Difference]: Without dead ends: 6689 [2022-10-16 03:29:43,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2022-10-16 03:29:43,125 INFO L413 NwaCegarLoop]: 815 mSDtfsCounter, 4185 mSDsluCounter, 3594 mSDsCounter, 0 mSdLazyCounter, 1026 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4185 SdHoareTripleChecker+Valid, 4409 SdHoareTripleChecker+Invalid, 1117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 1026 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 03:29:43,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4185 Valid, 4409 Invalid, 1117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 1026 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 03:29:43,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6689 states. [2022-10-16 03:29:43,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6689 to 3311. [2022-10-16 03:29:43,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3311 states, 3308 states have (on average 1.4483071342200726) internal successors, (4791), 3310 states have internal predecessors, (4791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:43,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3311 states to 3311 states and 4791 transitions. [2022-10-16 03:29:43,207 INFO L78 Accepts]: Start accepts. Automaton has 3311 states and 4791 transitions. Word has length 56 [2022-10-16 03:29:43,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:29:43,207 INFO L495 AbstractCegarLoop]: Abstraction has 3311 states and 4791 transitions. [2022-10-16 03:29:43,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:43,208 INFO L276 IsEmpty]: Start isEmpty. Operand 3311 states and 4791 transitions. [2022-10-16 03:29:43,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-16 03:29:43,209 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:29:43,210 INFO L195 NwaCegarLoop]: 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] [2022-10-16 03:29:43,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 03:29:43,210 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:29:43,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:29:43,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1785706246, now seen corresponding path program 1 times [2022-10-16 03:29:43,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:29:43,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282867655] [2022-10-16 03:29:43,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:29:43,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:29:43,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:29:43,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:29:43,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:29:43,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282867655] [2022-10-16 03:29:43,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282867655] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:29:43,991 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:29:43,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-10-16 03:29:43,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528759262] [2022-10-16 03:29:43,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:29:43,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-10-16 03:29:43,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:29:43,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-10-16 03:29:43,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2022-10-16 03:29:43,993 INFO L87 Difference]: Start difference. First operand 3311 states and 4791 transitions. Second operand has 15 states, 15 states have (on average 3.8) internal successors, (57), 15 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:46,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:29:46,479 INFO L93 Difference]: Finished difference Result 7607 states and 11073 transitions. [2022-10-16 03:29:46,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-16 03:29:46,480 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.8) internal successors, (57), 15 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2022-10-16 03:29:46,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:29:46,489 INFO L225 Difference]: With dead ends: 7607 [2022-10-16 03:29:46,490 INFO L226 Difference]: Without dead ends: 7607 [2022-10-16 03:29:46,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=199, Invalid=671, Unknown=0, NotChecked=0, Total=870 [2022-10-16 03:29:46,491 INFO L413 NwaCegarLoop]: 813 mSDtfsCounter, 4013 mSDsluCounter, 6311 mSDsCounter, 0 mSdLazyCounter, 2439 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4013 SdHoareTripleChecker+Valid, 7124 SdHoareTripleChecker+Invalid, 2550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 2439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-16 03:29:46,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4013 Valid, 7124 Invalid, 2550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 2439 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-16 03:29:46,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7607 states. [2022-10-16 03:29:46,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7607 to 3300. [2022-10-16 03:29:46,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3300 states, 3298 states have (on average 1.4487568223165554) internal successors, (4778), 3299 states have internal predecessors, (4778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:46,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3300 states to 3300 states and 4778 transitions. [2022-10-16 03:29:46,572 INFO L78 Accepts]: Start accepts. Automaton has 3300 states and 4778 transitions. Word has length 57 [2022-10-16 03:29:46,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:29:46,573 INFO L495 AbstractCegarLoop]: Abstraction has 3300 states and 4778 transitions. [2022-10-16 03:29:46,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.8) internal successors, (57), 15 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:46,573 INFO L276 IsEmpty]: Start isEmpty. Operand 3300 states and 4778 transitions. [2022-10-16 03:29:46,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-16 03:29:46,575 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:29:46,575 INFO L195 NwaCegarLoop]: 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] [2022-10-16 03:29:46,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 03:29:46,576 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:29:46,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:29:46,576 INFO L85 PathProgramCache]: Analyzing trace with hash 247888215, now seen corresponding path program 1 times [2022-10-16 03:29:46,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:29:46,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692429753] [2022-10-16 03:29:46,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:29:46,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:29:46,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:29:47,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:29:47,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:29:47,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692429753] [2022-10-16 03:29:47,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692429753] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:29:47,234 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:29:47,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-16 03:29:47,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100894105] [2022-10-16 03:29:47,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:29:47,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:29:47,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:29:47,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:29:47,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:29:47,238 INFO L87 Difference]: Start difference. First operand 3300 states and 4778 transitions. Second operand has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:49,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:29:49,030 INFO L93 Difference]: Finished difference Result 6857 states and 9928 transitions. [2022-10-16 03:29:49,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-16 03:29:49,030 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2022-10-16 03:29:49,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:29:49,038 INFO L225 Difference]: With dead ends: 6857 [2022-10-16 03:29:49,038 INFO L226 Difference]: Without dead ends: 6857 [2022-10-16 03:29:49,038 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=230, Invalid=582, Unknown=0, NotChecked=0, Total=812 [2022-10-16 03:29:49,044 INFO L413 NwaCegarLoop]: 970 mSDtfsCounter, 3862 mSDsluCounter, 3881 mSDsCounter, 0 mSdLazyCounter, 1079 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3862 SdHoareTripleChecker+Valid, 4851 SdHoareTripleChecker+Invalid, 1166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 1079 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 03:29:49,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3862 Valid, 4851 Invalid, 1166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 1079 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 03:29:49,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6857 states. [2022-10-16 03:29:49,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6857 to 3260. [2022-10-16 03:29:49,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3260 states, 3259 states have (on average 1.4495243939858853) internal successors, (4724), 3259 states have internal predecessors, (4724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:49,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3260 states to 3260 states and 4724 transitions. [2022-10-16 03:29:49,128 INFO L78 Accepts]: Start accepts. Automaton has 3260 states and 4724 transitions. Word has length 57 [2022-10-16 03:29:49,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:29:49,128 INFO L495 AbstractCegarLoop]: Abstraction has 3260 states and 4724 transitions. [2022-10-16 03:29:49,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:49,128 INFO L276 IsEmpty]: Start isEmpty. Operand 3260 states and 4724 transitions. [2022-10-16 03:29:49,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-16 03:29:49,131 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:29:49,131 INFO L195 NwaCegarLoop]: 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] [2022-10-16 03:29:49,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 03:29:49,132 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:29:49,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:29:49,132 INFO L85 PathProgramCache]: Analyzing trace with hash -101338621, now seen corresponding path program 1 times [2022-10-16 03:29:49,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:29:49,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832403433] [2022-10-16 03:29:49,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:29:49,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:29:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:29:49,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:29:49,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:29:49,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832403433] [2022-10-16 03:29:49,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832403433] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:29:49,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:29:49,239 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 03:29:49,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212647640] [2022-10-16 03:29:49,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:29:49,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:29:49,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:29:49,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:29:49,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:29:49,241 INFO L87 Difference]: Start difference. First operand 3260 states and 4724 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:49,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:29:49,348 INFO L93 Difference]: Finished difference Result 7494 states and 10891 transitions. [2022-10-16 03:29:49,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:29:49,349 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2022-10-16 03:29:49,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:29:49,359 INFO L225 Difference]: With dead ends: 7494 [2022-10-16 03:29:49,360 INFO L226 Difference]: Without dead ends: 7494 [2022-10-16 03:29:49,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:29:49,361 INFO L413 NwaCegarLoop]: 548 mSDtfsCounter, 1620 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1620 SdHoareTripleChecker+Valid, 1103 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:29:49,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1620 Valid, 1103 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:29:49,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7494 states. [2022-10-16 03:29:49,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7494 to 5679. [2022-10-16 03:29:49,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5679 states, 5678 states have (on average 1.4475167312433956) internal successors, (8219), 5678 states have internal predecessors, (8219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:49,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5679 states to 5679 states and 8219 transitions. [2022-10-16 03:29:49,470 INFO L78 Accepts]: Start accepts. Automaton has 5679 states and 8219 transitions. Word has length 63 [2022-10-16 03:29:49,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:29:49,471 INFO L495 AbstractCegarLoop]: Abstraction has 5679 states and 8219 transitions. [2022-10-16 03:29:49,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:49,471 INFO L276 IsEmpty]: Start isEmpty. Operand 5679 states and 8219 transitions. [2022-10-16 03:29:49,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-16 03:29:49,474 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:29:49,474 INFO L195 NwaCegarLoop]: 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] [2022-10-16 03:29:49,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 03:29:49,475 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:29:49,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:29:49,475 INFO L85 PathProgramCache]: Analyzing trace with hash 838129574, now seen corresponding path program 1 times [2022-10-16 03:29:49,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:29:49,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21282599] [2022-10-16 03:29:49,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:29:49,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:29:49,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:29:49,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:29:49,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:29:49,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21282599] [2022-10-16 03:29:49,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21282599] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:29:49,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:29:49,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 03:29:49,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653774464] [2022-10-16 03:29:49,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:29:49,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:29:49,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:29:49,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:29:49,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:29:49,642 INFO L87 Difference]: Start difference. First operand 5679 states and 8219 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:49,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:29:49,734 INFO L93 Difference]: Finished difference Result 3749 states and 5324 transitions. [2022-10-16 03:29:49,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:29:49,734 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-10-16 03:29:49,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:29:49,739 INFO L225 Difference]: With dead ends: 3749 [2022-10-16 03:29:49,740 INFO L226 Difference]: Without dead ends: 3749 [2022-10-16 03:29:49,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:29:49,741 INFO L413 NwaCegarLoop]: 567 mSDtfsCounter, 1105 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1105 SdHoareTripleChecker+Valid, 959 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:29:49,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1105 Valid, 959 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:29:49,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3749 states. [2022-10-16 03:29:49,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3749 to 3745. [2022-10-16 03:29:49,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3745 states, 3744 states have (on average 1.421474358974359) internal successors, (5322), 3744 states have internal predecessors, (5322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:49,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3745 states to 3745 states and 5322 transitions. [2022-10-16 03:29:49,809 INFO L78 Accepts]: Start accepts. Automaton has 3745 states and 5322 transitions. Word has length 64 [2022-10-16 03:29:49,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:29:49,809 INFO L495 AbstractCegarLoop]: Abstraction has 3745 states and 5322 transitions. [2022-10-16 03:29:49,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:49,809 INFO L276 IsEmpty]: Start isEmpty. Operand 3745 states and 5322 transitions. [2022-10-16 03:29:49,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-16 03:29:49,813 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:29:49,813 INFO L195 NwaCegarLoop]: 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] [2022-10-16 03:29:49,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 03:29:49,814 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:29:49,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:29:49,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1809556404, now seen corresponding path program 1 times [2022-10-16 03:29:49,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:29:49,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124275533] [2022-10-16 03:29:49,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:29:49,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:29:49,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:29:49,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:29:49,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:29:49,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124275533] [2022-10-16 03:29:49,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124275533] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:29:49,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:29:49,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:29:49,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522977299] [2022-10-16 03:29:49,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:29:49,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:29:49,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:29:49,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:29:49,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:29:49,957 INFO L87 Difference]: Start difference. First operand 3745 states and 5322 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:50,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:29:50,019 INFO L93 Difference]: Finished difference Result 6637 states and 9420 transitions. [2022-10-16 03:29:50,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:29:50,020 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-10-16 03:29:50,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:29:50,029 INFO L225 Difference]: With dead ends: 6637 [2022-10-16 03:29:50,029 INFO L226 Difference]: Without dead ends: 6637 [2022-10-16 03:29:50,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:29:50,032 INFO L413 NwaCegarLoop]: 592 mSDtfsCounter, 328 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 826 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:29:50,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 826 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:29:50,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6637 states. [2022-10-16 03:29:50,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6637 to 6219. [2022-10-16 03:29:50,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6219 states, 6218 states have (on average 1.4269861691862336) internal successors, (8873), 6218 states have internal predecessors, (8873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:50,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6219 states to 6219 states and 8873 transitions. [2022-10-16 03:29:50,132 INFO L78 Accepts]: Start accepts. Automaton has 6219 states and 8873 transitions. Word has length 66 [2022-10-16 03:29:50,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:29:50,132 INFO L495 AbstractCegarLoop]: Abstraction has 6219 states and 8873 transitions. [2022-10-16 03:29:50,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:50,133 INFO L276 IsEmpty]: Start isEmpty. Operand 6219 states and 8873 transitions. [2022-10-16 03:29:50,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-16 03:29:50,135 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:29:50,136 INFO L195 NwaCegarLoop]: 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] [2022-10-16 03:29:50,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 03:29:50,136 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:29:50,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:29:50,137 INFO L85 PathProgramCache]: Analyzing trace with hash 827517135, now seen corresponding path program 1 times [2022-10-16 03:29:50,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:29:50,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69104292] [2022-10-16 03:29:50,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:29:50,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:29:50,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:29:50,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:29:50,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:29:50,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69104292] [2022-10-16 03:29:50,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69104292] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:29:50,258 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:29:50,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:29:50,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355203525] [2022-10-16 03:29:50,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:29:50,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:29:50,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:29:50,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:29:50,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:29:50,260 INFO L87 Difference]: Start difference. First operand 6219 states and 8873 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:50,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:29:50,334 INFO L93 Difference]: Finished difference Result 11315 states and 16014 transitions. [2022-10-16 03:29:50,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:29:50,335 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-10-16 03:29:50,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:29:50,349 INFO L225 Difference]: With dead ends: 11315 [2022-10-16 03:29:50,349 INFO L226 Difference]: Without dead ends: 11315 [2022-10-16 03:29:50,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:29:50,350 INFO L413 NwaCegarLoop]: 578 mSDtfsCounter, 279 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 855 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:29:50,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 855 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:29:50,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11315 states. [2022-10-16 03:29:50,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11315 to 10481. [2022-10-16 03:29:50,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10481 states, 10480 states have (on average 1.4237595419847329) internal successors, (14921), 10480 states have internal predecessors, (14921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:50,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10481 states to 10481 states and 14921 transitions. [2022-10-16 03:29:50,523 INFO L78 Accepts]: Start accepts. Automaton has 10481 states and 14921 transitions. Word has length 66 [2022-10-16 03:29:50,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:29:50,524 INFO L495 AbstractCegarLoop]: Abstraction has 10481 states and 14921 transitions. [2022-10-16 03:29:50,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:50,524 INFO L276 IsEmpty]: Start isEmpty. Operand 10481 states and 14921 transitions. [2022-10-16 03:29:50,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 03:29:50,527 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:29:50,527 INFO L195 NwaCegarLoop]: 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] [2022-10-16 03:29:50,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 03:29:50,528 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:29:50,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:29:50,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1051118849, now seen corresponding path program 1 times [2022-10-16 03:29:50,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:29:50,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403435743] [2022-10-16 03:29:50,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:29:50,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:29:50,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:29:50,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:29:50,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:29:50,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403435743] [2022-10-16 03:29:50,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403435743] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:29:50,777 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:29:50,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 03:29:50,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910886862] [2022-10-16 03:29:50,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:29:50,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 03:29:50,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:29:50,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 03:29:50,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 03:29:50,779 INFO L87 Difference]: Start difference. First operand 10481 states and 14921 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:51,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:29:51,010 INFO L93 Difference]: Finished difference Result 22099 states and 30716 transitions. [2022-10-16 03:29:51,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 03:29:51,012 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2022-10-16 03:29:51,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:29:51,040 INFO L225 Difference]: With dead ends: 22099 [2022-10-16 03:29:51,040 INFO L226 Difference]: Without dead ends: 22099 [2022-10-16 03:29:51,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:29:51,041 INFO L413 NwaCegarLoop]: 567 mSDtfsCounter, 625 mSDsluCounter, 1772 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 625 SdHoareTripleChecker+Valid, 2339 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:29:51,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [625 Valid, 2339 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:29:51,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22099 states. [2022-10-16 03:29:51,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22099 to 11369. [2022-10-16 03:29:51,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11369 states, 11368 states have (on average 1.3906579873328642) internal successors, (15809), 11368 states have internal predecessors, (15809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:51,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11369 states to 11369 states and 15809 transitions. [2022-10-16 03:29:51,335 INFO L78 Accepts]: Start accepts. Automaton has 11369 states and 15809 transitions. Word has length 68 [2022-10-16 03:29:51,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:29:51,335 INFO L495 AbstractCegarLoop]: Abstraction has 11369 states and 15809 transitions. [2022-10-16 03:29:51,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:51,336 INFO L276 IsEmpty]: Start isEmpty. Operand 11369 states and 15809 transitions. [2022-10-16 03:29:51,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-16 03:29:51,339 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:29:51,339 INFO L195 NwaCegarLoop]: 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] [2022-10-16 03:29:51,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 03:29:51,339 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:29:51,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:29:51,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1654492608, now seen corresponding path program 1 times [2022-10-16 03:29:51,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:29:51,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097479028] [2022-10-16 03:29:51,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:29:51,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:29:51,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:29:51,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:29:51,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:29:51,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097479028] [2022-10-16 03:29:51,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097479028] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:29:51,413 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:29:51,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:29:51,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374775852] [2022-10-16 03:29:51,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:29:51,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:29:51,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:29:51,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:29:51,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:29:51,415 INFO L87 Difference]: Start difference. First operand 11369 states and 15809 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:51,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:29:51,530 INFO L93 Difference]: Finished difference Result 19803 states and 26944 transitions. [2022-10-16 03:29:51,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:29:51,530 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2022-10-16 03:29:51,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:29:51,556 INFO L225 Difference]: With dead ends: 19803 [2022-10-16 03:29:51,557 INFO L226 Difference]: Without dead ends: 19803 [2022-10-16 03:29:51,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:29:51,558 INFO L413 NwaCegarLoop]: 523 mSDtfsCounter, 306 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:29:51,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 782 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:29:51,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19803 states. [2022-10-16 03:29:51,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19803 to 19505. [2022-10-16 03:29:51,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19505 states, 19504 states have (on average 1.366232567678425) internal successors, (26647), 19504 states have internal predecessors, (26647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:51,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19505 states to 19505 states and 26647 transitions. [2022-10-16 03:29:51,863 INFO L78 Accepts]: Start accepts. Automaton has 19505 states and 26647 transitions. Word has length 69 [2022-10-16 03:29:51,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:29:51,863 INFO L495 AbstractCegarLoop]: Abstraction has 19505 states and 26647 transitions. [2022-10-16 03:29:51,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:51,864 INFO L276 IsEmpty]: Start isEmpty. Operand 19505 states and 26647 transitions. [2022-10-16 03:29:51,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 03:29:51,867 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:29:51,867 INFO L195 NwaCegarLoop]: 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] [2022-10-16 03:29:51,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 03:29:51,868 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:29:51,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:29:51,868 INFO L85 PathProgramCache]: Analyzing trace with hash -761417871, now seen corresponding path program 1 times [2022-10-16 03:29:51,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:29:51,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027264055] [2022-10-16 03:29:51,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:29:51,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:29:51,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:29:52,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:29:52,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:29:52,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027264055] [2022-10-16 03:29:52,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027264055] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:29:52,033 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:29:52,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 03:29:52,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415081820] [2022-10-16 03:29:52,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:29:52,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:29:52,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:29:52,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:29:52,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:29:52,037 INFO L87 Difference]: Start difference. First operand 19505 states and 26647 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:52,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:29:52,320 INFO L93 Difference]: Finished difference Result 28084 states and 38251 transitions. [2022-10-16 03:29:52,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:29:52,321 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-16 03:29:52,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:29:52,366 INFO L225 Difference]: With dead ends: 28084 [2022-10-16 03:29:52,366 INFO L226 Difference]: Without dead ends: 28084 [2022-10-16 03:29:52,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:29:52,367 INFO L413 NwaCegarLoop]: 589 mSDtfsCounter, 1010 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1010 SdHoareTripleChecker+Valid, 1395 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:29:52,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1010 Valid, 1395 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:29:52,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28084 states. [2022-10-16 03:29:52,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28084 to 24458. [2022-10-16 03:29:52,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24458 states, 24457 states have (on average 1.3614098213190498) internal successors, (33296), 24457 states have internal predecessors, (33296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:52,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24458 states to 24458 states and 33296 transitions. [2022-10-16 03:29:52,777 INFO L78 Accepts]: Start accepts. Automaton has 24458 states and 33296 transitions. Word has length 73 [2022-10-16 03:29:52,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:29:52,777 INFO L495 AbstractCegarLoop]: Abstraction has 24458 states and 33296 transitions. [2022-10-16 03:29:52,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:52,778 INFO L276 IsEmpty]: Start isEmpty. Operand 24458 states and 33296 transitions. [2022-10-16 03:29:52,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 03:29:52,781 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:29:52,782 INFO L195 NwaCegarLoop]: 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] [2022-10-16 03:29:52,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 03:29:52,782 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:29:52,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:29:52,783 INFO L85 PathProgramCache]: Analyzing trace with hash -669489783, now seen corresponding path program 1 times [2022-10-16 03:29:52,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:29:52,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054347093] [2022-10-16 03:29:52,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:29:52,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:29:52,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:29:52,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:29:52,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:29:52,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054347093] [2022-10-16 03:29:52,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054347093] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:29:52,921 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:29:52,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 03:29:52,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013315462] [2022-10-16 03:29:52,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:29:52,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:29:52,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:29:52,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:29:52,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:29:52,923 INFO L87 Difference]: Start difference. First operand 24458 states and 33296 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:53,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:29:53,113 INFO L93 Difference]: Finished difference Result 31404 states and 42655 transitions. [2022-10-16 03:29:53,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:29:53,113 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-10-16 03:29:53,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:29:53,160 INFO L225 Difference]: With dead ends: 31404 [2022-10-16 03:29:53,160 INFO L226 Difference]: Without dead ends: 31404 [2022-10-16 03:29:53,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:29:53,162 INFO L413 NwaCegarLoop]: 598 mSDtfsCounter, 984 mSDsluCounter, 868 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 984 SdHoareTripleChecker+Valid, 1466 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:29:53,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [984 Valid, 1466 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:29:53,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31404 states. [2022-10-16 03:29:53,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31404 to 29410. [2022-10-16 03:29:53,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29410 states, 29409 states have (on average 1.3582236730252644) internal successors, (39944), 29409 states have internal predecessors, (39944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:53,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29410 states to 29410 states and 39944 transitions. [2022-10-16 03:29:53,944 INFO L78 Accepts]: Start accepts. Automaton has 29410 states and 39944 transitions. Word has length 74 [2022-10-16 03:29:53,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:29:53,945 INFO L495 AbstractCegarLoop]: Abstraction has 29410 states and 39944 transitions. [2022-10-16 03:29:53,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:53,945 INFO L276 IsEmpty]: Start isEmpty. Operand 29410 states and 39944 transitions. [2022-10-16 03:29:53,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 03:29:53,951 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:29:53,951 INFO L195 NwaCegarLoop]: 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] [2022-10-16 03:29:53,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 03:29:53,952 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:29:53,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:29:53,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1856624705, now seen corresponding path program 1 times [2022-10-16 03:29:53,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:29:53,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638454827] [2022-10-16 03:29:53,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:29:53,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:29:54,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:29:54,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:29:54,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:29:54,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638454827] [2022-10-16 03:29:54,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638454827] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:29:54,283 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:29:54,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 03:29:54,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392971346] [2022-10-16 03:29:54,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:29:54,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:29:54,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:29:54,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:29:54,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:29:54,285 INFO L87 Difference]: Start difference. First operand 29410 states and 39944 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:54,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:29:54,545 INFO L93 Difference]: Finished difference Result 36380 states and 49299 transitions. [2022-10-16 03:29:54,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:29:54,545 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-10-16 03:29:54,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:29:54,601 INFO L225 Difference]: With dead ends: 36380 [2022-10-16 03:29:54,602 INFO L226 Difference]: Without dead ends: 36380 [2022-10-16 03:29:54,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:29:54,603 INFO L413 NwaCegarLoop]: 589 mSDtfsCounter, 1123 mSDsluCounter, 646 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1123 SdHoareTripleChecker+Valid, 1235 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:29:54,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1123 Valid, 1235 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:29:54,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36380 states. [2022-10-16 03:29:55,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36380 to 34386. [2022-10-16 03:29:55,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34386 states, 34385 states have (on average 1.3548931220008724) internal successors, (46588), 34385 states have internal predecessors, (46588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:55,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34386 states to 34386 states and 46588 transitions. [2022-10-16 03:29:55,235 INFO L78 Accepts]: Start accepts. Automaton has 34386 states and 46588 transitions. Word has length 74 [2022-10-16 03:29:55,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:29:55,235 INFO L495 AbstractCegarLoop]: Abstraction has 34386 states and 46588 transitions. [2022-10-16 03:29:55,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:55,236 INFO L276 IsEmpty]: Start isEmpty. Operand 34386 states and 46588 transitions. [2022-10-16 03:29:55,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 03:29:55,242 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:29:55,243 INFO L195 NwaCegarLoop]: 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] [2022-10-16 03:29:55,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 03:29:55,243 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:29:55,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:29:55,244 INFO L85 PathProgramCache]: Analyzing trace with hash 324913683, now seen corresponding path program 1 times [2022-10-16 03:29:55,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:29:55,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458651642] [2022-10-16 03:29:55,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:29:55,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:29:55,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:29:55,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:29:55,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:29:55,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458651642] [2022-10-16 03:29:55,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458651642] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:29:55,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:29:55,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 03:29:55,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530364052] [2022-10-16 03:29:55,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:29:55,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:29:55,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:29:55,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:29:55,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:29:55,605 INFO L87 Difference]: Start difference. First operand 34386 states and 46588 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:55,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:29:55,910 INFO L93 Difference]: Finished difference Result 36102 states and 48838 transitions. [2022-10-16 03:29:55,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:29:55,910 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-10-16 03:29:55,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:29:55,963 INFO L225 Difference]: With dead ends: 36102 [2022-10-16 03:29:55,964 INFO L226 Difference]: Without dead ends: 36102 [2022-10-16 03:29:55,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:29:55,965 INFO L413 NwaCegarLoop]: 590 mSDtfsCounter, 1002 mSDsluCounter, 808 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1002 SdHoareTripleChecker+Valid, 1398 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:29:55,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1002 Valid, 1398 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:29:55,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36102 states. [2022-10-16 03:29:56,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36102 to 34110. [2022-10-16 03:29:56,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34110 states, 34109 states have (on average 1.3523703421384385) internal successors, (46128), 34109 states have internal predecessors, (46128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:56,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34110 states to 34110 states and 46128 transitions. [2022-10-16 03:29:56,676 INFO L78 Accepts]: Start accepts. Automaton has 34110 states and 46128 transitions. Word has length 81 [2022-10-16 03:29:56,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:29:56,677 INFO L495 AbstractCegarLoop]: Abstraction has 34110 states and 46128 transitions. [2022-10-16 03:29:56,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:56,677 INFO L276 IsEmpty]: Start isEmpty. Operand 34110 states and 46128 transitions. [2022-10-16 03:29:56,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 03:29:56,683 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:29:56,684 INFO L195 NwaCegarLoop]: 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] [2022-10-16 03:29:56,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 03:29:56,686 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:29:56,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:29:56,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1230920758, now seen corresponding path program 1 times [2022-10-16 03:29:56,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:29:56,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478717620] [2022-10-16 03:29:56,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:29:56,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:29:56,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:29:56,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:29:56,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:29:56,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478717620] [2022-10-16 03:29:56,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478717620] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:29:56,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:29:56,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 03:29:56,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235060945] [2022-10-16 03:29:56,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:29:56,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:29:56,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:29:56,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:29:56,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:29:56,922 INFO L87 Difference]: Start difference. First operand 34110 states and 46128 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:57,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:29:57,282 INFO L93 Difference]: Finished difference Result 35826 states and 48378 transitions. [2022-10-16 03:29:57,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:29:57,282 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-10-16 03:29:57,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:29:57,321 INFO L225 Difference]: With dead ends: 35826 [2022-10-16 03:29:57,321 INFO L226 Difference]: Without dead ends: 35826 [2022-10-16 03:29:57,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:29:57,322 INFO L413 NwaCegarLoop]: 589 mSDtfsCounter, 1065 mSDsluCounter, 707 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1065 SdHoareTripleChecker+Valid, 1296 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:29:57,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1065 Valid, 1296 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:29:57,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35826 states. [2022-10-16 03:29:57,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35826 to 33834. [2022-10-16 03:29:57,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33834 states, 33833 states have (on average 1.3498064020335176) internal successors, (45668), 33833 states have internal predecessors, (45668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:57,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33834 states to 33834 states and 45668 transitions. [2022-10-16 03:29:57,933 INFO L78 Accepts]: Start accepts. Automaton has 33834 states and 45668 transitions. Word has length 81 [2022-10-16 03:29:57,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:29:57,933 INFO L495 AbstractCegarLoop]: Abstraction has 33834 states and 45668 transitions. [2022-10-16 03:29:57,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:57,934 INFO L276 IsEmpty]: Start isEmpty. Operand 33834 states and 45668 transitions. [2022-10-16 03:29:57,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 03:29:57,944 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:29:57,944 INFO L195 NwaCegarLoop]: 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] [2022-10-16 03:29:57,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 03:29:57,945 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:29:57,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:29:57,945 INFO L85 PathProgramCache]: Analyzing trace with hash -2144075086, now seen corresponding path program 1 times [2022-10-16 03:29:57,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:29:57,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143971740] [2022-10-16 03:29:57,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:29:57,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:29:57,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:29:58,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:29:58,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:29:58,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143971740] [2022-10-16 03:29:58,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143971740] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:29:58,099 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:29:58,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 03:29:58,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840841892] [2022-10-16 03:29:58,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:29:58,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 03:29:58,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:29:58,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 03:29:58,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:29:58,101 INFO L87 Difference]: Start difference. First operand 33834 states and 45668 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:59,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:29:59,086 INFO L93 Difference]: Finished difference Result 41386 states and 55757 transitions. [2022-10-16 03:29:59,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 03:29:59,086 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-10-16 03:29:59,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:29:59,136 INFO L225 Difference]: With dead ends: 41386 [2022-10-16 03:29:59,136 INFO L226 Difference]: Without dead ends: 41386 [2022-10-16 03:29:59,136 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2022-10-16 03:29:59,137 INFO L413 NwaCegarLoop]: 319 mSDtfsCounter, 2237 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 641 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2237 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 641 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 03:29:59,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2237 Valid, 706 Invalid, 759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 641 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 03:29:59,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41386 states. [2022-10-16 03:29:59,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41386 to 33833. [2022-10-16 03:29:59,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33833 states, 33832 states have (on average 1.3497576259162922) internal successors, (45665), 33832 states have internal predecessors, (45665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:59,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33833 states to 33833 states and 45665 transitions. [2022-10-16 03:29:59,686 INFO L78 Accepts]: Start accepts. Automaton has 33833 states and 45665 transitions. Word has length 82 [2022-10-16 03:29:59,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:29:59,686 INFO L495 AbstractCegarLoop]: Abstraction has 33833 states and 45665 transitions. [2022-10-16 03:29:59,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:29:59,687 INFO L276 IsEmpty]: Start isEmpty. Operand 33833 states and 45665 transitions. [2022-10-16 03:29:59,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 03:29:59,696 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:29:59,697 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:29:59,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 03:29:59,697 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:29:59,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:29:59,698 INFO L85 PathProgramCache]: Analyzing trace with hash -1665802254, now seen corresponding path program 1 times [2022-10-16 03:29:59,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:29:59,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715303815] [2022-10-16 03:29:59,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:29:59,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:29:59,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:30:00,269 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-16 03:30:00,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:30:00,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715303815] [2022-10-16 03:30:00,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715303815] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:30:00,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:30:00,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:30:00,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69339738] [2022-10-16 03:30:00,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:30:00,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:30:00,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:30:00,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:30:00,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:30:00,272 INFO L87 Difference]: Start difference. First operand 33833 states and 45665 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:01,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:30:01,981 INFO L93 Difference]: Finished difference Result 100821 states and 134488 transitions. [2022-10-16 03:30:01,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-16 03:30:01,982 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2022-10-16 03:30:01,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:30:02,104 INFO L225 Difference]: With dead ends: 100821 [2022-10-16 03:30:02,104 INFO L226 Difference]: Without dead ends: 100821 [2022-10-16 03:30:02,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=187, Invalid=463, Unknown=0, NotChecked=0, Total=650 [2022-10-16 03:30:02,105 INFO L413 NwaCegarLoop]: 360 mSDtfsCounter, 3006 mSDsluCounter, 1328 mSDsCounter, 0 mSdLazyCounter, 1529 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3006 SdHoareTripleChecker+Valid, 1688 SdHoareTripleChecker+Invalid, 1619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 1529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:30:02,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3006 Valid, 1688 Invalid, 1619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 1529 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 03:30:02,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100821 states. [2022-10-16 03:30:03,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100821 to 33813. [2022-10-16 03:30:03,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33813 states, 33812 states have (on average 1.3498757837454158) internal successors, (45642), 33812 states have internal predecessors, (45642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:03,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33813 states to 33813 states and 45642 transitions. [2022-10-16 03:30:03,120 INFO L78 Accepts]: Start accepts. Automaton has 33813 states and 45642 transitions. Word has length 88 [2022-10-16 03:30:03,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:30:03,121 INFO L495 AbstractCegarLoop]: Abstraction has 33813 states and 45642 transitions. [2022-10-16 03:30:03,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:03,121 INFO L276 IsEmpty]: Start isEmpty. Operand 33813 states and 45642 transitions. [2022-10-16 03:30:03,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-16 03:30:03,135 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:30:03,135 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:30:03,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-16 03:30:03,136 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:30:03,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:30:03,137 INFO L85 PathProgramCache]: Analyzing trace with hash 730861950, now seen corresponding path program 1 times [2022-10-16 03:30:03,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:30:03,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100798534] [2022-10-16 03:30:03,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:30:03,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:30:03,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:30:03,762 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:30:03,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:30:03,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100798534] [2022-10-16 03:30:03,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100798534] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:30:03,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:30:03,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:30:03,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790731009] [2022-10-16 03:30:03,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:30:03,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:30:03,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:30:03,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:30:03,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:30:03,765 INFO L87 Difference]: Start difference. First operand 33813 states and 45642 transitions. Second operand has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 8 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:05,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:30:05,533 INFO L93 Difference]: Finished difference Result 76517 states and 101431 transitions. [2022-10-16 03:30:05,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:30:05,534 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 8 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2022-10-16 03:30:05,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:30:05,613 INFO L225 Difference]: With dead ends: 76517 [2022-10-16 03:30:05,614 INFO L226 Difference]: Without dead ends: 76517 [2022-10-16 03:30:05,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:30:05,615 INFO L413 NwaCegarLoop]: 375 mSDtfsCounter, 2594 mSDsluCounter, 1561 mSDsCounter, 0 mSdLazyCounter, 1865 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2594 SdHoareTripleChecker+Valid, 1936 SdHoareTripleChecker+Invalid, 1944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 1865 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:30:05,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2594 Valid, 1936 Invalid, 1944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 1865 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 03:30:05,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76517 states. [2022-10-16 03:30:06,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76517 to 34275. [2022-10-16 03:30:06,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34275 states, 34274 states have (on average 1.348369026083912) internal successors, (46214), 34274 states have internal predecessors, (46214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:06,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34275 states to 34275 states and 46214 transitions. [2022-10-16 03:30:06,283 INFO L78 Accepts]: Start accepts. Automaton has 34275 states and 46214 transitions. Word has length 89 [2022-10-16 03:30:06,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:30:06,284 INFO L495 AbstractCegarLoop]: Abstraction has 34275 states and 46214 transitions. [2022-10-16 03:30:06,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 8 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:06,284 INFO L276 IsEmpty]: Start isEmpty. Operand 34275 states and 46214 transitions. [2022-10-16 03:30:06,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-16 03:30:06,296 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:30:06,296 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:30:06,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-16 03:30:06,297 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:30:06,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:30:06,297 INFO L85 PathProgramCache]: Analyzing trace with hash -167089379, now seen corresponding path program 1 times [2022-10-16 03:30:06,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:30:06,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615431040] [2022-10-16 03:30:06,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:30:06,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:30:06,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:30:06,615 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-16 03:30:06,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:30:06,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615431040] [2022-10-16 03:30:06,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615431040] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:30:06,616 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:30:06,616 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:30:06,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221959517] [2022-10-16 03:30:06,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:30:06,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:30:06,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:30:06,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:30:06,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:30:06,619 INFO L87 Difference]: Start difference. First operand 34275 states and 46214 transitions. Second operand has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:08,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:30:08,051 INFO L93 Difference]: Finished difference Result 67274 states and 90156 transitions. [2022-10-16 03:30:08,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:30:08,052 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2022-10-16 03:30:08,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:30:08,134 INFO L225 Difference]: With dead ends: 67274 [2022-10-16 03:30:08,134 INFO L226 Difference]: Without dead ends: 67274 [2022-10-16 03:30:08,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-10-16 03:30:08,135 INFO L413 NwaCegarLoop]: 345 mSDtfsCounter, 2791 mSDsluCounter, 1094 mSDsCounter, 0 mSdLazyCounter, 1273 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2791 SdHoareTripleChecker+Valid, 1439 SdHoareTripleChecker+Invalid, 1357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 1273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 03:30:08,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2791 Valid, 1439 Invalid, 1357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 1273 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 03:30:08,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67274 states. [2022-10-16 03:30:08,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67274 to 34259. [2022-10-16 03:30:08,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34259 states, 34258 states have (on average 1.3484733492906766) internal successors, (46196), 34258 states have internal predecessors, (46196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:08,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34259 states to 34259 states and 46196 transitions. [2022-10-16 03:30:08,945 INFO L78 Accepts]: Start accepts. Automaton has 34259 states and 46196 transitions. Word has length 89 [2022-10-16 03:30:08,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:30:08,946 INFO L495 AbstractCegarLoop]: Abstraction has 34259 states and 46196 transitions. [2022-10-16 03:30:08,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:08,946 INFO L276 IsEmpty]: Start isEmpty. Operand 34259 states and 46196 transitions. [2022-10-16 03:30:08,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-16 03:30:08,956 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:30:08,957 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:30:08,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-16 03:30:08,957 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:30:08,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:30:08,957 INFO L85 PathProgramCache]: Analyzing trace with hash 964121325, now seen corresponding path program 1 times [2022-10-16 03:30:08,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:30:08,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416460210] [2022-10-16 03:30:08,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:30:08,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:30:08,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:30:09,255 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-16 03:30:09,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:30:09,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416460210] [2022-10-16 03:30:09,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416460210] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:30:09,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:30:09,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 03:30:09,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451728034] [2022-10-16 03:30:09,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:30:09,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 03:30:09,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:30:09,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 03:30:09,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-10-16 03:30:09,259 INFO L87 Difference]: Start difference. First operand 34259 states and 46196 transitions. Second operand has 8 states, 8 states have (on average 10.5) internal successors, (84), 7 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:10,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:30:10,531 INFO L93 Difference]: Finished difference Result 94903 states and 127714 transitions. [2022-10-16 03:30:10,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 03:30:10,531 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 7 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2022-10-16 03:30:10,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:30:10,660 INFO L225 Difference]: With dead ends: 94903 [2022-10-16 03:30:10,660 INFO L226 Difference]: Without dead ends: 94903 [2022-10-16 03:30:10,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2022-10-16 03:30:10,663 INFO L413 NwaCegarLoop]: 331 mSDtfsCounter, 2017 mSDsluCounter, 1054 mSDsCounter, 0 mSdLazyCounter, 1091 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2017 SdHoareTripleChecker+Valid, 1385 SdHoareTripleChecker+Invalid, 1118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1091 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 03:30:10,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2017 Valid, 1385 Invalid, 1118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1091 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 03:30:10,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94903 states. [2022-10-16 03:30:11,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94903 to 34247. [2022-10-16 03:30:11,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34247 states, 34246 states have (on average 1.3485662559130993) internal successors, (46183), 34246 states have internal predecessors, (46183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:11,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34247 states to 34247 states and 46183 transitions. [2022-10-16 03:30:11,554 INFO L78 Accepts]: Start accepts. Automaton has 34247 states and 46183 transitions. Word has length 89 [2022-10-16 03:30:11,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:30:11,554 INFO L495 AbstractCegarLoop]: Abstraction has 34247 states and 46183 transitions. [2022-10-16 03:30:11,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 7 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:11,555 INFO L276 IsEmpty]: Start isEmpty. Operand 34247 states and 46183 transitions. [2022-10-16 03:30:11,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 03:30:11,565 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:30:11,565 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:30:11,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-16 03:30:11,566 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:30:11,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:30:11,566 INFO L85 PathProgramCache]: Analyzing trace with hash 1490479423, now seen corresponding path program 1 times [2022-10-16 03:30:11,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:30:11,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102495231] [2022-10-16 03:30:11,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:30:11,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:30:11,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:30:11,677 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:30:11,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:30:11,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102495231] [2022-10-16 03:30:11,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102495231] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:30:11,678 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:30:11,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:30:11,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648058013] [2022-10-16 03:30:11,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:30:11,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:30:11,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:30:11,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:30:11,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:30:11,680 INFO L87 Difference]: Start difference. First operand 34247 states and 46183 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:12,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:30:12,124 INFO L93 Difference]: Finished difference Result 34249 states and 45630 transitions. [2022-10-16 03:30:12,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:30:12,124 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-10-16 03:30:12,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:30:12,161 INFO L225 Difference]: With dead ends: 34249 [2022-10-16 03:30:12,161 INFO L226 Difference]: Without dead ends: 34249 [2022-10-16 03:30:12,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:30:12,162 INFO L413 NwaCegarLoop]: 524 mSDtfsCounter, 179 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 884 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:30:12,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 884 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:30:12,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34249 states. [2022-10-16 03:30:12,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34249 to 34247. [2022-10-16 03:30:12,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34247 states, 34246 states have (on average 1.3323891841382935) internal successors, (45629), 34246 states have internal predecessors, (45629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:12,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34247 states to 34247 states and 45629 transitions. [2022-10-16 03:30:12,580 INFO L78 Accepts]: Start accepts. Automaton has 34247 states and 45629 transitions. Word has length 90 [2022-10-16 03:30:12,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:30:12,580 INFO L495 AbstractCegarLoop]: Abstraction has 34247 states and 45629 transitions. [2022-10-16 03:30:12,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:12,580 INFO L276 IsEmpty]: Start isEmpty. Operand 34247 states and 45629 transitions. [2022-10-16 03:30:12,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 03:30:12,588 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:30:12,589 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:30:12,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-10-16 03:30:12,589 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:30:12,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:30:12,590 INFO L85 PathProgramCache]: Analyzing trace with hash -324068378, now seen corresponding path program 1 times [2022-10-16 03:30:12,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:30:12,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794271597] [2022-10-16 03:30:12,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:30:12,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:30:12,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:30:13,054 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:30:13,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:30:13,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794271597] [2022-10-16 03:30:13,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794271597] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 03:30:13,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1791093733] [2022-10-16 03:30:13,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:30:13,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 03:30:13,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 03:30:13,058 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 03:30:13,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 03:30:13,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:30:13,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 559 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-16 03:30:13,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 03:30:13,753 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:30:13,753 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 03:30:14,013 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:30:14,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1791093733] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 03:30:14,014 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 03:30:14,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2022-10-16 03:30:14,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151947585] [2022-10-16 03:30:14,015 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 03:30:14,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 03:30:14,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:30:14,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 03:30:14,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-10-16 03:30:14,016 INFO L87 Difference]: Start difference. First operand 34247 states and 45629 transitions. Second operand has 8 states, 8 states have (on average 21.75) internal successors, (174), 8 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:14,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:30:14,370 INFO L93 Difference]: Finished difference Result 70313 states and 92010 transitions. [2022-10-16 03:30:14,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 03:30:14,371 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.75) internal successors, (174), 8 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-10-16 03:30:14,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:30:14,473 INFO L225 Difference]: With dead ends: 70313 [2022-10-16 03:30:14,473 INFO L226 Difference]: Without dead ends: 70313 [2022-10-16 03:30:14,473 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 174 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-10-16 03:30:14,474 INFO L413 NwaCegarLoop]: 571 mSDtfsCounter, 1237 mSDsluCounter, 1344 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1237 SdHoareTripleChecker+Valid, 1915 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:30:14,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1237 Valid, 1915 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:30:14,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70313 states. [2022-10-16 03:30:15,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70313 to 45859. [2022-10-16 03:30:15,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45859 states, 45858 states have (on average 1.3258973352523007) internal successors, (60803), 45858 states have internal predecessors, (60803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:15,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45859 states to 45859 states and 60803 transitions. [2022-10-16 03:30:15,509 INFO L78 Accepts]: Start accepts. Automaton has 45859 states and 60803 transitions. Word has length 90 [2022-10-16 03:30:15,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:30:15,509 INFO L495 AbstractCegarLoop]: Abstraction has 45859 states and 60803 transitions. [2022-10-16 03:30:15,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.75) internal successors, (174), 8 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:15,510 INFO L276 IsEmpty]: Start isEmpty. Operand 45859 states and 60803 transitions. [2022-10-16 03:30:15,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 03:30:15,517 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:30:15,517 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:30:15,556 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 03:30:15,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2022-10-16 03:30:15,733 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:30:15,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:30:15,735 INFO L85 PathProgramCache]: Analyzing trace with hash 971467756, now seen corresponding path program 1 times [2022-10-16 03:30:15,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:30:15,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965659981] [2022-10-16 03:30:15,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:30:15,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:30:15,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:30:16,154 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:30:16,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:30:16,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965659981] [2022-10-16 03:30:16,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965659981] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:30:16,155 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:30:16,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 03:30:16,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461995571] [2022-10-16 03:30:16,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:30:16,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:30:16,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:30:16,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:30:16,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:30:16,157 INFO L87 Difference]: Start difference. First operand 45859 states and 60803 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:16,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:30:16,773 INFO L93 Difference]: Finished difference Result 67558 states and 86835 transitions. [2022-10-16 03:30:16,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 03:30:16,774 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2022-10-16 03:30:16,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:30:16,847 INFO L225 Difference]: With dead ends: 67558 [2022-10-16 03:30:16,847 INFO L226 Difference]: Without dead ends: 67558 [2022-10-16 03:30:16,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:30:16,847 INFO L413 NwaCegarLoop]: 320 mSDtfsCounter, 1191 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1191 SdHoareTripleChecker+Valid, 702 SdHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:30:16,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1191 Valid, 702 Invalid, 597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 03:30:16,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67558 states. [2022-10-16 03:30:17,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67558 to 44241. [2022-10-16 03:30:17,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44241 states, 44240 states have (on average 1.294145569620253) internal successors, (57253), 44240 states have internal predecessors, (57253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:17,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44241 states to 44241 states and 57253 transitions. [2022-10-16 03:30:17,679 INFO L78 Accepts]: Start accepts. Automaton has 44241 states and 57253 transitions. Word has length 93 [2022-10-16 03:30:17,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:30:17,679 INFO L495 AbstractCegarLoop]: Abstraction has 44241 states and 57253 transitions. [2022-10-16 03:30:17,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:17,680 INFO L276 IsEmpty]: Start isEmpty. Operand 44241 states and 57253 transitions. [2022-10-16 03:30:17,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 03:30:17,688 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:30:17,688 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:30:17,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-10-16 03:30:17,689 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:30:17,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:30:17,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1567663160, now seen corresponding path program 1 times [2022-10-16 03:30:17,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:30:17,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013653733] [2022-10-16 03:30:17,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:30:17,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:30:17,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:30:17,781 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:30:17,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:30:17,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013653733] [2022-10-16 03:30:17,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013653733] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:30:17,782 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:30:17,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:30:17,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534856221] [2022-10-16 03:30:17,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:30:17,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:30:17,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:30:17,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:30:17,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:30:17,784 INFO L87 Difference]: Start difference. First operand 44241 states and 57253 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:17,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:30:17,891 INFO L93 Difference]: Finished difference Result 33041 states and 42293 transitions. [2022-10-16 03:30:17,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:30:17,892 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2022-10-16 03:30:17,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:30:17,930 INFO L225 Difference]: With dead ends: 33041 [2022-10-16 03:30:17,930 INFO L226 Difference]: Without dead ends: 33041 [2022-10-16 03:30:17,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:30:17,931 INFO L413 NwaCegarLoop]: 527 mSDtfsCounter, 165 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:30:17,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 879 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:30:17,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33041 states. [2022-10-16 03:30:18,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33041 to 32864. [2022-10-16 03:30:18,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32864 states, 32863 states have (on average 1.2813498463317408) internal successors, (42109), 32863 states have internal predecessors, (42109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:18,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32864 states to 32864 states and 42109 transitions. [2022-10-16 03:30:18,587 INFO L78 Accepts]: Start accepts. Automaton has 32864 states and 42109 transitions. Word has length 93 [2022-10-16 03:30:18,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:30:18,587 INFO L495 AbstractCegarLoop]: Abstraction has 32864 states and 42109 transitions. [2022-10-16 03:30:18,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:18,588 INFO L276 IsEmpty]: Start isEmpty. Operand 32864 states and 42109 transitions. [2022-10-16 03:30:18,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 03:30:18,598 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:30:18,598 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:30:18,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-10-16 03:30:18,598 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:30:18,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:30:18,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1199099763, now seen corresponding path program 1 times [2022-10-16 03:30:18,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:30:18,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636635680] [2022-10-16 03:30:18,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:30:18,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:30:18,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:30:18,709 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:30:18,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:30:18,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636635680] [2022-10-16 03:30:18,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636635680] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:30:18,710 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:30:18,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 03:30:18,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62478692] [2022-10-16 03:30:18,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:30:18,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:30:18,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:30:18,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:30:18,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:30:18,711 INFO L87 Difference]: Start difference. First operand 32864 states and 42109 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:19,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:30:19,795 INFO L93 Difference]: Finished difference Result 80497 states and 100327 transitions. [2022-10-16 03:30:19,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 03:30:19,795 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2022-10-16 03:30:19,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:30:19,895 INFO L225 Difference]: With dead ends: 80497 [2022-10-16 03:30:19,895 INFO L226 Difference]: Without dead ends: 80497 [2022-10-16 03:30:19,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:30:19,896 INFO L413 NwaCegarLoop]: 363 mSDtfsCounter, 1119 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 627 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1119 SdHoareTripleChecker+Valid, 869 SdHoareTripleChecker+Invalid, 703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:30:19,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1119 Valid, 869 Invalid, 703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 627 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 03:30:19,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80497 states. [2022-10-16 03:30:20,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80497 to 43069. [2022-10-16 03:30:20,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43069 states, 43068 states have (on average 1.2476084331754436) internal successors, (53732), 43068 states have internal predecessors, (53732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:20,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43069 states to 43069 states and 53732 transitions. [2022-10-16 03:30:20,697 INFO L78 Accepts]: Start accepts. Automaton has 43069 states and 53732 transitions. Word has length 93 [2022-10-16 03:30:20,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:30:20,697 INFO L495 AbstractCegarLoop]: Abstraction has 43069 states and 53732 transitions. [2022-10-16 03:30:20,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:20,698 INFO L276 IsEmpty]: Start isEmpty. Operand 43069 states and 53732 transitions. [2022-10-16 03:30:20,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-16 03:30:20,703 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:30:20,703 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:30:20,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-10-16 03:30:20,703 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:30:20,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:30:20,704 INFO L85 PathProgramCache]: Analyzing trace with hash -950976744, now seen corresponding path program 1 times [2022-10-16 03:30:20,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:30:20,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372444250] [2022-10-16 03:30:20,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:30:20,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:30:20,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:30:20,785 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:30:20,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:30:20,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372444250] [2022-10-16 03:30:20,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372444250] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:30:20,786 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:30:20,786 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:30:20,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030387029] [2022-10-16 03:30:20,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:30:20,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:30:20,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:30:20,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:30:20,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:30:20,788 INFO L87 Difference]: Start difference. First operand 43069 states and 53732 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:20,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:30:20,912 INFO L93 Difference]: Finished difference Result 32177 states and 39595 transitions. [2022-10-16 03:30:20,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:30:20,912 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2022-10-16 03:30:20,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:30:20,967 INFO L225 Difference]: With dead ends: 32177 [2022-10-16 03:30:20,967 INFO L226 Difference]: Without dead ends: 30489 [2022-10-16 03:30:20,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:30:20,968 INFO L413 NwaCegarLoop]: 530 mSDtfsCounter, 167 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 859 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:30:20,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 859 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:30:20,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30489 states. [2022-10-16 03:30:21,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30489 to 30457. [2022-10-16 03:30:21,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30457 states, 30456 states have (on average 1.2308247964276333) internal successors, (37486), 30456 states have internal predecessors, (37486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:21,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30457 states to 30457 states and 37486 transitions. [2022-10-16 03:30:21,662 INFO L78 Accepts]: Start accepts. Automaton has 30457 states and 37486 transitions. Word has length 94 [2022-10-16 03:30:21,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:30:21,662 INFO L495 AbstractCegarLoop]: Abstraction has 30457 states and 37486 transitions. [2022-10-16 03:30:21,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:21,662 INFO L276 IsEmpty]: Start isEmpty. Operand 30457 states and 37486 transitions. [2022-10-16 03:30:21,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 03:30:21,667 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:30:21,668 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:30:21,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-10-16 03:30:21,668 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:30:21,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:30:21,669 INFO L85 PathProgramCache]: Analyzing trace with hash 299940606, now seen corresponding path program 1 times [2022-10-16 03:30:21,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:30:21,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585070877] [2022-10-16 03:30:21,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:30:21,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:30:21,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:30:21,765 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 03:30:21,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:30:21,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585070877] [2022-10-16 03:30:21,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585070877] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:30:21,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:30:21,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:30:21,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280497538] [2022-10-16 03:30:21,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:30:21,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:30:21,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:30:21,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:30:21,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:30:21,768 INFO L87 Difference]: Start difference. First operand 30457 states and 37486 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:21,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:30:21,840 INFO L93 Difference]: Finished difference Result 21694 states and 26320 transitions. [2022-10-16 03:30:21,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:30:21,841 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2022-10-16 03:30:21,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:30:21,871 INFO L225 Difference]: With dead ends: 21694 [2022-10-16 03:30:21,872 INFO L226 Difference]: Without dead ends: 20390 [2022-10-16 03:30:21,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:30:21,873 INFO L413 NwaCegarLoop]: 515 mSDtfsCounter, 139 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 870 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:30:21,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 870 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:30:21,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20390 states. [2022-10-16 03:30:22,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20390 to 20326. [2022-10-16 03:30:22,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20326 states, 20325 states have (on average 1.2155473554735547) internal successors, (24706), 20325 states have internal predecessors, (24706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:22,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20326 states to 20326 states and 24706 transitions. [2022-10-16 03:30:22,158 INFO L78 Accepts]: Start accepts. Automaton has 20326 states and 24706 transitions. Word has length 96 [2022-10-16 03:30:22,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:30:22,158 INFO L495 AbstractCegarLoop]: Abstraction has 20326 states and 24706 transitions. [2022-10-16 03:30:22,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:22,159 INFO L276 IsEmpty]: Start isEmpty. Operand 20326 states and 24706 transitions. [2022-10-16 03:30:22,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 03:30:22,162 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:30:22,162 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:30:22,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-10-16 03:30:22,163 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:30:22,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:30:22,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1658214033, now seen corresponding path program 1 times [2022-10-16 03:30:22,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:30:22,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738935017] [2022-10-16 03:30:22,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:30:22,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:30:22,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:30:22,274 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:30:22,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:30:22,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738935017] [2022-10-16 03:30:22,275 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738935017] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 03:30:22,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1574889921] [2022-10-16 03:30:22,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:30:22,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 03:30:22,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 03:30:22,277 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 03:30:22,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 03:30:22,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:30:22,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 03:30:22,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 03:30:23,100 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:30:23,100 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 03:30:23,292 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:30:23,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1574889921] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 03:30:23,292 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 03:30:23,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2022-10-16 03:30:23,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32964488] [2022-10-16 03:30:23,293 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 03:30:23,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 03:30:23,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:30:23,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 03:30:23,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2022-10-16 03:30:23,295 INFO L87 Difference]: Start difference. First operand 20326 states and 24706 transitions. Second operand has 14 states, 14 states have (on average 18.714285714285715) internal successors, (262), 14 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:24,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:30:24,080 INFO L93 Difference]: Finished difference Result 22517 states and 26461 transitions. [2022-10-16 03:30:24,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 03:30:24,081 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 18.714285714285715) internal successors, (262), 14 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2022-10-16 03:30:24,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:30:24,110 INFO L225 Difference]: With dead ends: 22517 [2022-10-16 03:30:24,110 INFO L226 Difference]: Without dead ends: 22517 [2022-10-16 03:30:24,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 183 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2022-10-16 03:30:24,121 INFO L413 NwaCegarLoop]: 277 mSDtfsCounter, 3007 mSDsluCounter, 767 mSDsCounter, 0 mSdLazyCounter, 881 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3007 SdHoareTripleChecker+Valid, 1044 SdHoareTripleChecker+Invalid, 1086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 03:30:24,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3007 Valid, 1044 Invalid, 1086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [205 Valid, 881 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 03:30:24,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22517 states. [2022-10-16 03:30:24,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22517 to 19844. [2022-10-16 03:30:24,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19844 states, 19843 states have (on average 1.1837927732701707) internal successors, (23490), 19843 states have internal predecessors, (23490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:24,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19844 states to 19844 states and 23490 transitions. [2022-10-16 03:30:24,363 INFO L78 Accepts]: Start accepts. Automaton has 19844 states and 23490 transitions. Word has length 96 [2022-10-16 03:30:24,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:30:24,364 INFO L495 AbstractCegarLoop]: Abstraction has 19844 states and 23490 transitions. [2022-10-16 03:30:24,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 18.714285714285715) internal successors, (262), 14 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:24,364 INFO L276 IsEmpty]: Start isEmpty. Operand 19844 states and 23490 transitions. [2022-10-16 03:30:24,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 03:30:24,368 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:30:24,368 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:30:24,397 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 03:30:24,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2022-10-16 03:30:24,570 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:30:24,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:30:24,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1617124220, now seen corresponding path program 1 times [2022-10-16 03:30:24,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:30:24,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590750970] [2022-10-16 03:30:24,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:30:24,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:30:24,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:30:24,662 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 03:30:24,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:30:24,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590750970] [2022-10-16 03:30:24,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590750970] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:30:24,663 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:30:24,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:30:24,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717586561] [2022-10-16 03:30:24,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:30:24,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 03:30:24,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:30:24,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 03:30:24,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 03:30:24,664 INFO L87 Difference]: Start difference. First operand 19844 states and 23490 transitions. Second operand has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:25,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:30:25,241 INFO L93 Difference]: Finished difference Result 35391 states and 42237 transitions. [2022-10-16 03:30:25,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:30:25,242 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2022-10-16 03:30:25,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:30:25,277 INFO L225 Difference]: With dead ends: 35391 [2022-10-16 03:30:25,277 INFO L226 Difference]: Without dead ends: 35391 [2022-10-16 03:30:25,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:30:25,278 INFO L413 NwaCegarLoop]: 453 mSDtfsCounter, 522 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 522 SdHoareTripleChecker+Valid, 962 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:30:25,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [522 Valid, 962 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 03:30:25,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35391 states. [2022-10-16 03:30:25,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35391 to 23428. [2022-10-16 03:30:25,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23428 states, 23427 states have (on average 1.1868783881845733) internal successors, (27805), 23427 states have internal predecessors, (27805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:25,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23428 states to 23428 states and 27805 transitions. [2022-10-16 03:30:25,563 INFO L78 Accepts]: Start accepts. Automaton has 23428 states and 27805 transitions. Word has length 96 [2022-10-16 03:30:25,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:30:25,563 INFO L495 AbstractCegarLoop]: Abstraction has 23428 states and 27805 transitions. [2022-10-16 03:30:25,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:25,563 INFO L276 IsEmpty]: Start isEmpty. Operand 23428 states and 27805 transitions. [2022-10-16 03:30:25,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 03:30:25,569 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:30:25,569 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:30:25,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-10-16 03:30:25,570 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:30:25,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:30:25,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1034230051, now seen corresponding path program 1 times [2022-10-16 03:30:25,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:30:25,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32997921] [2022-10-16 03:30:25,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:30:25,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:30:25,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:30:25,648 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:30:25,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:30:25,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32997921] [2022-10-16 03:30:25,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32997921] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:30:25,649 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:30:25,649 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:30:25,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379217861] [2022-10-16 03:30:25,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:30:25,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:30:25,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:30:25,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:30:25,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:30:25,651 INFO L87 Difference]: Start difference. First operand 23428 states and 27805 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:25,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:30:25,811 INFO L93 Difference]: Finished difference Result 34088 states and 40192 transitions. [2022-10-16 03:30:25,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:30:25,811 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2022-10-16 03:30:25,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:30:25,859 INFO L225 Difference]: With dead ends: 34088 [2022-10-16 03:30:25,859 INFO L226 Difference]: Without dead ends: 34088 [2022-10-16 03:30:25,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:30:25,861 INFO L413 NwaCegarLoop]: 552 mSDtfsCounter, 147 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 955 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:30:25,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 955 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:30:25,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34088 states. [2022-10-16 03:30:26,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34088 to 24385. [2022-10-16 03:30:26,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24385 states, 24384 states have (on average 1.1786827427821522) internal successors, (28741), 24384 states have internal predecessors, (28741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:26,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24385 states to 24385 states and 28741 transitions. [2022-10-16 03:30:26,363 INFO L78 Accepts]: Start accepts. Automaton has 24385 states and 28741 transitions. Word has length 97 [2022-10-16 03:30:26,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:30:26,364 INFO L495 AbstractCegarLoop]: Abstraction has 24385 states and 28741 transitions. [2022-10-16 03:30:26,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:26,364 INFO L276 IsEmpty]: Start isEmpty. Operand 24385 states and 28741 transitions. [2022-10-16 03:30:26,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:30:26,370 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:30:26,371 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:30:26,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-10-16 03:30:26,372 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:30:26,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:30:26,373 INFO L85 PathProgramCache]: Analyzing trace with hash 290123657, now seen corresponding path program 1 times [2022-10-16 03:30:26,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:30:26,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195413598] [2022-10-16 03:30:26,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:30:26,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:30:26,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:30:26,759 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:30:26,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:30:26,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195413598] [2022-10-16 03:30:26,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195413598] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:30:26,760 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:30:26,760 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 03:30:26,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451911702] [2022-10-16 03:30:26,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:30:26,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 03:30:26,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:30:26,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 03:30:26,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-10-16 03:30:26,762 INFO L87 Difference]: Start difference. First operand 24385 states and 28741 transitions. Second operand has 10 states, 10 states have (on average 9.8) internal successors, (98), 9 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:28,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:30:28,324 INFO L93 Difference]: Finished difference Result 46702 states and 54568 transitions. [2022-10-16 03:30:28,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-16 03:30:28,325 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.8) internal successors, (98), 9 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 03:30:28,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:30:28,370 INFO L225 Difference]: With dead ends: 46702 [2022-10-16 03:30:28,370 INFO L226 Difference]: Without dead ends: 46702 [2022-10-16 03:30:28,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=201, Invalid=501, Unknown=0, NotChecked=0, Total=702 [2022-10-16 03:30:28,371 INFO L413 NwaCegarLoop]: 338 mSDtfsCounter, 2116 mSDsluCounter, 1389 mSDsCounter, 0 mSdLazyCounter, 1449 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2116 SdHoareTripleChecker+Valid, 1727 SdHoareTripleChecker+Invalid, 1491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 1449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:30:28,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2116 Valid, 1727 Invalid, 1491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1449 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 03:30:28,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46702 states. [2022-10-16 03:30:28,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46702 to 37861. [2022-10-16 03:30:28,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37861 states, 37860 states have (on average 1.1752245113576334) internal successors, (44494), 37860 states have internal predecessors, (44494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:29,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37861 states to 37861 states and 44494 transitions. [2022-10-16 03:30:29,024 INFO L78 Accepts]: Start accepts. Automaton has 37861 states and 44494 transitions. Word has length 98 [2022-10-16 03:30:29,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:30:29,025 INFO L495 AbstractCegarLoop]: Abstraction has 37861 states and 44494 transitions. [2022-10-16 03:30:29,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.8) internal successors, (98), 9 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:29,025 INFO L276 IsEmpty]: Start isEmpty. Operand 37861 states and 44494 transitions. [2022-10-16 03:30:29,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 03:30:29,031 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:30:29,031 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:30:29,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-10-16 03:30:29,032 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:30:29,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:30:29,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1386320585, now seen corresponding path program 1 times [2022-10-16 03:30:29,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:30:29,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859085077] [2022-10-16 03:30:29,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:30:29,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:30:29,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:30:29,348 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 03:30:29,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:30:29,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859085077] [2022-10-16 03:30:29,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859085077] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:30:29,349 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:30:29,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:30:29,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059747768] [2022-10-16 03:30:29,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:30:29,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:30:29,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:30:29,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:30:29,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:30:29,350 INFO L87 Difference]: Start difference. First operand 37861 states and 44494 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:30,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:30:30,344 INFO L93 Difference]: Finished difference Result 59936 states and 70656 transitions. [2022-10-16 03:30:30,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 03:30:30,344 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2022-10-16 03:30:30,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:30:30,402 INFO L225 Difference]: With dead ends: 59936 [2022-10-16 03:30:30,402 INFO L226 Difference]: Without dead ends: 59936 [2022-10-16 03:30:30,402 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2022-10-16 03:30:30,403 INFO L413 NwaCegarLoop]: 306 mSDtfsCounter, 2502 mSDsluCounter, 972 mSDsCounter, 0 mSdLazyCounter, 1077 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2502 SdHoareTripleChecker+Valid, 1278 SdHoareTripleChecker+Invalid, 1153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 1077 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 03:30:30,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2502 Valid, 1278 Invalid, 1153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 1077 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 03:30:30,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59936 states. [2022-10-16 03:30:30,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59936 to 37861. [2022-10-16 03:30:31,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37861 states, 37860 states have (on average 1.1751716851558374) internal successors, (44492), 37860 states have internal predecessors, (44492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:31,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37861 states to 37861 states and 44492 transitions. [2022-10-16 03:30:31,066 INFO L78 Accepts]: Start accepts. Automaton has 37861 states and 44492 transitions. Word has length 99 [2022-10-16 03:30:31,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:30:31,066 INFO L495 AbstractCegarLoop]: Abstraction has 37861 states and 44492 transitions. [2022-10-16 03:30:31,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:31,066 INFO L276 IsEmpty]: Start isEmpty. Operand 37861 states and 44492 transitions. [2022-10-16 03:30:31,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-16 03:30:31,072 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:30:31,072 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:30:31,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-10-16 03:30:31,072 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:30:31,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:30:31,073 INFO L85 PathProgramCache]: Analyzing trace with hash 541663463, now seen corresponding path program 1 times [2022-10-16 03:30:31,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:30:31,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131622758] [2022-10-16 03:30:31,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:30:31,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:30:31,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:30:31,879 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:30:31,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:30:31,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131622758] [2022-10-16 03:30:31,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131622758] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 03:30:31,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [54941625] [2022-10-16 03:30:31,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:30:31,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 03:30:31,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 03:30:31,883 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 03:30:31,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 03:30:32,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:30:32,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 20 conjunts are in the unsatisfiable core [2022-10-16 03:30:32,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 03:30:34,558 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:30:34,558 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 03:30:35,320 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:30:35,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [54941625] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 03:30:35,320 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 03:30:35,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 10] total 25 [2022-10-16 03:30:35,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326380755] [2022-10-16 03:30:35,321 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 03:30:35,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-10-16 03:30:35,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:30:35,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-10-16 03:30:35,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2022-10-16 03:30:35,323 INFO L87 Difference]: Start difference. First operand 37861 states and 44492 transitions. Second operand has 25 states, 25 states have (on average 10.04) internal successors, (251), 25 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:44,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:30:44,463 INFO L93 Difference]: Finished difference Result 102117 states and 119009 transitions. [2022-10-16 03:30:44,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-10-16 03:30:44,464 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 10.04) internal successors, (251), 25 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2022-10-16 03:30:44,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:30:44,578 INFO L225 Difference]: With dead ends: 102117 [2022-10-16 03:30:44,579 INFO L226 Difference]: Without dead ends: 102117 [2022-10-16 03:30:44,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 187 SyntacticMatches, 1 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1559 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=1229, Invalid=4471, Unknown=0, NotChecked=0, Total=5700 [2022-10-16 03:30:44,582 INFO L413 NwaCegarLoop]: 415 mSDtfsCounter, 4642 mSDsluCounter, 4892 mSDsCounter, 0 mSdLazyCounter, 4338 mSolverCounterSat, 187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4642 SdHoareTripleChecker+Valid, 5307 SdHoareTripleChecker+Invalid, 4525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 4338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-10-16 03:30:44,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4642 Valid, 5307 Invalid, 4525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [187 Valid, 4338 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-10-16 03:30:44,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102117 states. [2022-10-16 03:30:45,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102117 to 59793. [2022-10-16 03:30:45,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59793 states, 59792 states have (on average 1.1779669521006155) internal successors, (70433), 59792 states have internal predecessors, (70433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:45,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59793 states to 59793 states and 70433 transitions. [2022-10-16 03:30:45,895 INFO L78 Accepts]: Start accepts. Automaton has 59793 states and 70433 transitions. Word has length 100 [2022-10-16 03:30:45,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:30:45,895 INFO L495 AbstractCegarLoop]: Abstraction has 59793 states and 70433 transitions. [2022-10-16 03:30:45,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 10.04) internal successors, (251), 25 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:45,895 INFO L276 IsEmpty]: Start isEmpty. Operand 59793 states and 70433 transitions. [2022-10-16 03:30:45,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 03:30:45,903 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:30:45,903 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:30:45,945 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-16 03:30:46,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 03:30:46,117 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:30:46,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:30:46,118 INFO L85 PathProgramCache]: Analyzing trace with hash 168423672, now seen corresponding path program 1 times [2022-10-16 03:30:46,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:30:46,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414388420] [2022-10-16 03:30:46,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:30:46,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:30:46,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:30:46,201 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:30:46,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:30:46,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414388420] [2022-10-16 03:30:46,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414388420] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:30:46,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:30:46,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:30:46,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590775622] [2022-10-16 03:30:46,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:30:46,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:30:46,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:30:46,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:30:46,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:30:46,203 INFO L87 Difference]: Start difference. First operand 59793 states and 70433 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:46,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:30:46,396 INFO L93 Difference]: Finished difference Result 60967 states and 71640 transitions. [2022-10-16 03:30:46,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:30:46,396 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-10-16 03:30:46,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:30:46,466 INFO L225 Difference]: With dead ends: 60967 [2022-10-16 03:30:46,466 INFO L226 Difference]: Without dead ends: 60967 [2022-10-16 03:30:46,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:30:46,467 INFO L413 NwaCegarLoop]: 573 mSDtfsCounter, 107 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 1004 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:30:46,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 1004 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:30:46,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60967 states. [2022-10-16 03:30:47,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60967 to 60870. [2022-10-16 03:30:47,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60870 states, 60869 states have (on average 1.1753766284972647) internal successors, (71544), 60869 states have internal predecessors, (71544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:47,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60870 states to 60870 states and 71544 transitions. [2022-10-16 03:30:47,349 INFO L78 Accepts]: Start accepts. Automaton has 60870 states and 71544 transitions. Word has length 101 [2022-10-16 03:30:47,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:30:47,350 INFO L495 AbstractCegarLoop]: Abstraction has 60870 states and 71544 transitions. [2022-10-16 03:30:47,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:30:47,350 INFO L276 IsEmpty]: Start isEmpty. Operand 60870 states and 71544 transitions. [2022-10-16 03:30:47,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 03:30:47,357 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:30:47,357 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:30:47,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-10-16 03:30:47,357 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:30:47,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:30:47,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1532800607, now seen corresponding path program 1 times [2022-10-16 03:30:47,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:30:47,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659080004] [2022-10-16 03:30:47,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:30:47,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:30:47,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:30:49,109 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:30:49,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:30:49,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659080004] [2022-10-16 03:30:49,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659080004] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:30:49,109 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:30:49,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-10-16 03:30:49,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763829982] [2022-10-16 03:30:49,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:30:49,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-10-16 03:30:49,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:30:49,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-10-16 03:30:49,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2022-10-16 03:30:49,111 INFO L87 Difference]: Start difference. First operand 60870 states and 71544 transitions. Second operand has 16 states, 16 states have (on average 6.3125) internal successors, (101), 16 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:31:00,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:31:00,338 INFO L93 Difference]: Finished difference Result 87655 states and 102931 transitions. [2022-10-16 03:31:00,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-10-16 03:31:00,339 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 6.3125) internal successors, (101), 16 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-10-16 03:31:00,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:31:00,425 INFO L225 Difference]: With dead ends: 87655 [2022-10-16 03:31:00,425 INFO L226 Difference]: Without dead ends: 87655 [2022-10-16 03:31:00,427 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1098 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=1023, Invalid=3267, Unknown=0, NotChecked=0, Total=4290 [2022-10-16 03:31:00,427 INFO L413 NwaCegarLoop]: 851 mSDtfsCounter, 2195 mSDsluCounter, 6802 mSDsCounter, 0 mSdLazyCounter, 1808 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2195 SdHoareTripleChecker+Valid, 7653 SdHoareTripleChecker+Invalid, 1877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 1808 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:31:00,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2195 Valid, 7653 Invalid, 1877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 1808 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-16 03:31:00,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87655 states. [2022-10-16 03:31:01,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87655 to 64883. [2022-10-16 03:31:01,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64883 states, 64882 states have (on average 1.1775993341758886) internal successors, (76405), 64882 states have internal predecessors, (76405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:31:01,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64883 states to 64883 states and 76405 transitions. [2022-10-16 03:31:01,323 INFO L78 Accepts]: Start accepts. Automaton has 64883 states and 76405 transitions. Word has length 101 [2022-10-16 03:31:01,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:31:01,323 INFO L495 AbstractCegarLoop]: Abstraction has 64883 states and 76405 transitions. [2022-10-16 03:31:01,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.3125) internal successors, (101), 16 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:31:01,323 INFO L276 IsEmpty]: Start isEmpty. Operand 64883 states and 76405 transitions. [2022-10-16 03:31:01,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 03:31:01,330 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:31:01,330 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:31:01,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-10-16 03:31:01,332 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:31:01,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:31:01,332 INFO L85 PathProgramCache]: Analyzing trace with hash -232016002, now seen corresponding path program 1 times [2022-10-16 03:31:01,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:31:01,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317362001] [2022-10-16 03:31:01,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:31:01,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:31:01,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:31:01,426 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 03:31:01,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:31:01,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317362001] [2022-10-16 03:31:01,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317362001] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:31:01,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:31:01,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:31:01,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281357037] [2022-10-16 03:31:01,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:31:01,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 03:31:01,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:31:01,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 03:31:01,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 03:31:01,428 INFO L87 Difference]: Start difference. First operand 64883 states and 76405 transitions. Second operand has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:31:02,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:31:02,343 INFO L93 Difference]: Finished difference Result 84134 states and 98583 transitions. [2022-10-16 03:31:02,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:31:02,344 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-10-16 03:31:02,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:31:02,463 INFO L225 Difference]: With dead ends: 84134 [2022-10-16 03:31:02,463 INFO L226 Difference]: Without dead ends: 84134 [2022-10-16 03:31:02,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:31:02,464 INFO L413 NwaCegarLoop]: 436 mSDtfsCounter, 431 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 958 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:31:02,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [431 Valid, 958 Invalid, 522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 515 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 03:31:02,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84134 states. [2022-10-16 03:31:03,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84134 to 70522. [2022-10-16 03:31:03,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70522 states, 70521 states have (on average 1.175834148693297) internal successors, (82921), 70521 states have internal predecessors, (82921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:31:03,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70522 states to 70522 states and 82921 transitions. [2022-10-16 03:31:03,376 INFO L78 Accepts]: Start accepts. Automaton has 70522 states and 82921 transitions. Word has length 101 [2022-10-16 03:31:03,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:31:03,377 INFO L495 AbstractCegarLoop]: Abstraction has 70522 states and 82921 transitions. [2022-10-16 03:31:03,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:31:03,377 INFO L276 IsEmpty]: Start isEmpty. Operand 70522 states and 82921 transitions. [2022-10-16 03:31:03,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 03:31:03,385 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:31:03,385 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:31:03,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-10-16 03:31:03,386 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:31:03,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:31:03,386 INFO L85 PathProgramCache]: Analyzing trace with hash -598595426, now seen corresponding path program 1 times [2022-10-16 03:31:03,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:31:03,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750384879] [2022-10-16 03:31:03,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:31:03,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:31:03,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:31:03,848 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:31:03,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:31:03,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750384879] [2022-10-16 03:31:03,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750384879] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 03:31:03,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1500149683] [2022-10-16 03:31:03,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:31:03,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 03:31:03,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 03:31:03,851 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 03:31:03,876 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 03:31:04,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:31:04,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-16 03:31:04,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 03:31:05,182 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:31:05,183 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 03:31:06,256 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:31:06,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1500149683] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 03:31:06,256 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 03:31:06,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 11] total 28 [2022-10-16 03:31:06,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160051555] [2022-10-16 03:31:06,257 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 03:31:06,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-10-16 03:31:06,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:31:06,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-10-16 03:31:06,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=717, Unknown=0, NotChecked=0, Total=812 [2022-10-16 03:31:06,259 INFO L87 Difference]: Start difference. First operand 70522 states and 82921 transitions. Second operand has 29 states, 29 states have (on average 9.344827586206897) internal successors, (271), 28 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:31:15,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:31:15,919 INFO L93 Difference]: Finished difference Result 240403 states and 282961 transitions. [2022-10-16 03:31:15,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-10-16 03:31:15,920 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 9.344827586206897) internal successors, (271), 28 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-10-16 03:31:15,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:31:16,229 INFO L225 Difference]: With dead ends: 240403 [2022-10-16 03:31:16,229 INFO L226 Difference]: Without dead ends: 240403 [2022-10-16 03:31:16,230 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 181 SyntacticMatches, 1 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3570 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=2323, Invalid=9233, Unknown=0, NotChecked=0, Total=11556 [2022-10-16 03:31:16,231 INFO L413 NwaCegarLoop]: 420 mSDtfsCounter, 8085 mSDsluCounter, 5772 mSDsCounter, 0 mSdLazyCounter, 5909 mSolverCounterSat, 562 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8085 SdHoareTripleChecker+Valid, 6192 SdHoareTripleChecker+Invalid, 6471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 562 IncrementalHoareTripleChecker+Valid, 5909 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:31:16,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8085 Valid, 6192 Invalid, 6471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [562 Valid, 5909 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-10-16 03:31:16,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240403 states. [2022-10-16 03:31:18,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240403 to 70623. [2022-10-16 03:31:18,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70623 states, 70622 states have (on average 1.175738438446943) internal successors, (83033), 70622 states have internal predecessors, (83033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:31:18,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70623 states to 70623 states and 83033 transitions. [2022-10-16 03:31:18,684 INFO L78 Accepts]: Start accepts. Automaton has 70623 states and 83033 transitions. Word has length 101 [2022-10-16 03:31:18,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:31:18,684 INFO L495 AbstractCegarLoop]: Abstraction has 70623 states and 83033 transitions. [2022-10-16 03:31:18,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 9.344827586206897) internal successors, (271), 28 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:31:18,685 INFO L276 IsEmpty]: Start isEmpty. Operand 70623 states and 83033 transitions. [2022-10-16 03:31:18,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 03:31:18,691 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:31:18,692 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:31:18,718 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-16 03:31:18,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 03:31:18,894 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:31:18,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:31:18,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1604408520, now seen corresponding path program 1 times [2022-10-16 03:31:18,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:31:18,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638144877] [2022-10-16 03:31:18,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:31:18,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:31:18,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:31:19,003 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 03:31:19,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:31:19,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638144877] [2022-10-16 03:31:19,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638144877] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:31:19,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:31:19,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:31:19,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668311493] [2022-10-16 03:31:19,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:31:19,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 03:31:19,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:31:19,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 03:31:19,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 03:31:19,006 INFO L87 Difference]: Start difference. First operand 70623 states and 83033 transitions. Second operand has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:31:19,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:31:19,580 INFO L93 Difference]: Finished difference Result 108463 states and 126988 transitions. [2022-10-16 03:31:19,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:31:19,581 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-10-16 03:31:19,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:31:19,698 INFO L225 Difference]: With dead ends: 108463 [2022-10-16 03:31:19,699 INFO L226 Difference]: Without dead ends: 108463 [2022-10-16 03:31:19,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:31:19,699 INFO L413 NwaCegarLoop]: 475 mSDtfsCounter, 437 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 437 SdHoareTripleChecker+Valid, 1017 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:31:19,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [437 Valid, 1017 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 03:31:19,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108463 states. [2022-10-16 03:31:21,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108463 to 78345. [2022-10-16 03:31:21,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78345 states, 78344 states have (on average 1.175329316858981) internal successors, (92080), 78344 states have internal predecessors, (92080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:31:21,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78345 states to 78345 states and 92080 transitions. [2022-10-16 03:31:21,179 INFO L78 Accepts]: Start accepts. Automaton has 78345 states and 92080 transitions. Word has length 101 [2022-10-16 03:31:21,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:31:21,179 INFO L495 AbstractCegarLoop]: Abstraction has 78345 states and 92080 transitions. [2022-10-16 03:31:21,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:31:21,180 INFO L276 IsEmpty]: Start isEmpty. Operand 78345 states and 92080 transitions. [2022-10-16 03:31:21,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 03:31:21,186 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:31:21,187 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:31:21,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-10-16 03:31:21,187 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:31:21,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:31:21,187 INFO L85 PathProgramCache]: Analyzing trace with hash 792028471, now seen corresponding path program 1 times [2022-10-16 03:31:21,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:31:21,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411112783] [2022-10-16 03:31:21,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:31:21,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:31:21,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:31:21,522 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 03:31:21,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:31:21,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411112783] [2022-10-16 03:31:21,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411112783] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:31:21,523 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:31:21,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 03:31:21,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771837867] [2022-10-16 03:31:21,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:31:21,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 03:31:21,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:31:21,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 03:31:21,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 03:31:21,525 INFO L87 Difference]: Start difference. First operand 78345 states and 92080 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:31:22,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:31:22,757 INFO L93 Difference]: Finished difference Result 78449 states and 92180 transitions. [2022-10-16 03:31:22,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 03:31:22,757 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-10-16 03:31:22,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:31:22,838 INFO L225 Difference]: With dead ends: 78449 [2022-10-16 03:31:22,838 INFO L226 Difference]: Without dead ends: 78449 [2022-10-16 03:31:22,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2022-10-16 03:31:22,839 INFO L413 NwaCegarLoop]: 300 mSDtfsCounter, 2373 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 809 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2373 SdHoareTripleChecker+Valid, 1004 SdHoareTripleChecker+Invalid, 846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 03:31:22,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2373 Valid, 1004 Invalid, 846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 809 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 03:31:22,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78449 states. [2022-10-16 03:31:23,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78449 to 78345. [2022-10-16 03:31:23,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78345 states, 78344 states have (on average 1.1753165526396405) internal successors, (92079), 78344 states have internal predecessors, (92079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:31:23,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78345 states to 78345 states and 92079 transitions. [2022-10-16 03:31:23,886 INFO L78 Accepts]: Start accepts. Automaton has 78345 states and 92079 transitions. Word has length 101 [2022-10-16 03:31:23,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:31:23,886 INFO L495 AbstractCegarLoop]: Abstraction has 78345 states and 92079 transitions. [2022-10-16 03:31:23,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:31:23,887 INFO L276 IsEmpty]: Start isEmpty. Operand 78345 states and 92079 transitions. [2022-10-16 03:31:23,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 03:31:23,894 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:31:23,895 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:31:23,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-10-16 03:31:23,895 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:31:23,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:31:23,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1632921201, now seen corresponding path program 1 times [2022-10-16 03:31:23,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:31:23,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578285503] [2022-10-16 03:31:23,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:31:23,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:31:23,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:31:23,977 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 03:31:23,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:31:23,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578285503] [2022-10-16 03:31:23,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578285503] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:31:23,978 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:31:23,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:31:23,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284616324] [2022-10-16 03:31:23,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:31:23,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 03:31:23,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:31:23,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 03:31:23,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 03:31:23,979 INFO L87 Difference]: Start difference. First operand 78345 states and 92079 transitions. Second operand has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:31:24,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:31:25,000 INFO L93 Difference]: Finished difference Result 103148 states and 120883 transitions. [2022-10-16 03:31:25,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:31:25,000 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-10-16 03:31:25,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:31:25,142 INFO L225 Difference]: With dead ends: 103148 [2022-10-16 03:31:25,143 INFO L226 Difference]: Without dead ends: 103148 [2022-10-16 03:31:25,143 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:31:25,143 INFO L413 NwaCegarLoop]: 465 mSDtfsCounter, 446 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 446 SdHoareTripleChecker+Valid, 1006 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:31:25,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [446 Valid, 1006 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 03:31:25,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103148 states. [2022-10-16 03:31:26,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103148 to 78345. [2022-10-16 03:31:26,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78345 states, 78344 states have (on average 1.1753165526396405) internal successors, (92079), 78344 states have internal predecessors, (92079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:31:26,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78345 states to 78345 states and 92079 transitions. [2022-10-16 03:31:26,750 INFO L78 Accepts]: Start accepts. Automaton has 78345 states and 92079 transitions. Word has length 101 [2022-10-16 03:31:26,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:31:26,750 INFO L495 AbstractCegarLoop]: Abstraction has 78345 states and 92079 transitions. [2022-10-16 03:31:26,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:31:26,751 INFO L276 IsEmpty]: Start isEmpty. Operand 78345 states and 92079 transitions. [2022-10-16 03:31:26,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 03:31:26,761 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:31:26,761 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:31:26,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-10-16 03:31:26,762 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:31:26,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:31:26,762 INFO L85 PathProgramCache]: Analyzing trace with hash -2032912400, now seen corresponding path program 1 times [2022-10-16 03:31:26,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:31:26,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188097067] [2022-10-16 03:31:26,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:31:26,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:31:26,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:31:26,998 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:31:27,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:31:27,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188097067] [2022-10-16 03:31:27,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188097067] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:31:27,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:31:27,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:31:27,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118200491] [2022-10-16 03:31:27,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:31:27,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:31:27,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:31:27,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:31:27,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:31:27,037 INFO L87 Difference]: Start difference. First operand 78345 states and 92079 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:31:27,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:31:27,387 INFO L93 Difference]: Finished difference Result 68924 states and 80879 transitions. [2022-10-16 03:31:27,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:31:27,388 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-10-16 03:31:27,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:31:27,489 INFO L225 Difference]: With dead ends: 68924 [2022-10-16 03:31:27,489 INFO L226 Difference]: Without dead ends: 68924 [2022-10-16 03:31:27,491 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:31:27,492 INFO L413 NwaCegarLoop]: 489 mSDtfsCounter, 159 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 801 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:31:27,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 801 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:31:27,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68924 states. [2022-10-16 03:31:28,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68924 to 65359. [2022-10-16 03:31:28,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65359 states, 65358 states have (on average 1.1721135897671286) internal successors, (76607), 65358 states have internal predecessors, (76607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:31:29,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65359 states to 65359 states and 76607 transitions. [2022-10-16 03:31:29,106 INFO L78 Accepts]: Start accepts. Automaton has 65359 states and 76607 transitions. Word has length 101 [2022-10-16 03:31:29,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:31:29,106 INFO L495 AbstractCegarLoop]: Abstraction has 65359 states and 76607 transitions. [2022-10-16 03:31:29,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:31:29,107 INFO L276 IsEmpty]: Start isEmpty. Operand 65359 states and 76607 transitions. [2022-10-16 03:31:29,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 03:31:29,113 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:31:29,113 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:31:29,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-10-16 03:31:29,114 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:31:29,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:31:29,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1776258551, now seen corresponding path program 1 times [2022-10-16 03:31:29,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:31:29,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651351918] [2022-10-16 03:31:29,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:31:29,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:31:29,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:31:29,843 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:31:29,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:31:29,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651351918] [2022-10-16 03:31:29,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651351918] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:31:29,844 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:31:29,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-10-16 03:31:29,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386352106] [2022-10-16 03:31:29,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:31:29,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-10-16 03:31:29,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:31:29,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-10-16 03:31:29,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2022-10-16 03:31:29,846 INFO L87 Difference]: Start difference. First operand 65359 states and 76607 transitions. Second operand has 15 states, 15 states have (on average 6.733333333333333) internal successors, (101), 14 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:31:37,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:31:37,730 INFO L93 Difference]: Finished difference Result 95431 states and 111012 transitions. [2022-10-16 03:31:37,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-10-16 03:31:37,730 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 6.733333333333333) internal successors, (101), 14 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-10-16 03:31:37,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:31:37,823 INFO L225 Difference]: With dead ends: 95431 [2022-10-16 03:31:37,823 INFO L226 Difference]: Without dead ends: 95431 [2022-10-16 03:31:37,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2913 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=1682, Invalid=6328, Unknown=0, NotChecked=0, Total=8010 [2022-10-16 03:31:37,824 INFO L413 NwaCegarLoop]: 370 mSDtfsCounter, 4990 mSDsluCounter, 2996 mSDsCounter, 0 mSdLazyCounter, 3247 mSolverCounterSat, 380 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4990 SdHoareTripleChecker+Valid, 3366 SdHoareTripleChecker+Invalid, 3627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 380 IncrementalHoareTripleChecker+Valid, 3247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-10-16 03:31:37,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4990 Valid, 3366 Invalid, 3627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [380 Valid, 3247 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-10-16 03:31:37,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95431 states. [2022-10-16 03:31:38,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95431 to 65125. [2022-10-16 03:31:38,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65125 states, 65124 states have (on average 1.1721945826423439) internal successors, (76338), 65124 states have internal predecessors, (76338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:31:39,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65125 states to 65125 states and 76338 transitions. [2022-10-16 03:31:39,011 INFO L78 Accepts]: Start accepts. Automaton has 65125 states and 76338 transitions. Word has length 101 [2022-10-16 03:31:39,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:31:39,012 INFO L495 AbstractCegarLoop]: Abstraction has 65125 states and 76338 transitions. [2022-10-16 03:31:39,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.733333333333333) internal successors, (101), 14 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:31:39,012 INFO L276 IsEmpty]: Start isEmpty. Operand 65125 states and 76338 transitions. [2022-10-16 03:31:39,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-16 03:31:39,016 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:31:39,016 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:31:39,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-10-16 03:31:39,017 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:31:39,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:31:39,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1243430095, now seen corresponding path program 1 times [2022-10-16 03:31:39,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:31:39,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671848839] [2022-10-16 03:31:39,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:31:39,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:31:39,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:31:39,488 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 03:31:39,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:31:39,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671848839] [2022-10-16 03:31:39,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671848839] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:31:39,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:31:39,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-10-16 03:31:39,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526464497] [2022-10-16 03:31:39,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:31:39,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-16 03:31:39,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:31:39,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-16 03:31:39,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-10-16 03:31:39,494 INFO L87 Difference]: Start difference. First operand 65125 states and 76338 transitions. Second operand has 11 states, 11 states have (on average 8.818181818181818) internal successors, (97), 10 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:31:41,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:31:41,578 INFO L93 Difference]: Finished difference Result 100521 states and 117843 transitions. [2022-10-16 03:31:41,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-16 03:31:41,579 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.818181818181818) internal successors, (97), 10 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2022-10-16 03:31:41,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:31:41,683 INFO L225 Difference]: With dead ends: 100521 [2022-10-16 03:31:41,683 INFO L226 Difference]: Without dead ends: 100521 [2022-10-16 03:31:41,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=228, Invalid=584, Unknown=0, NotChecked=0, Total=812 [2022-10-16 03:31:41,685 INFO L413 NwaCegarLoop]: 417 mSDtfsCounter, 2544 mSDsluCounter, 1575 mSDsCounter, 0 mSdLazyCounter, 1772 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2544 SdHoareTripleChecker+Valid, 1992 SdHoareTripleChecker+Invalid, 1905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 1772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:31:41,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2544 Valid, 1992 Invalid, 1905 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 1772 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 03:31:41,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100521 states. [2022-10-16 03:31:42,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100521 to 65125. [2022-10-16 03:31:42,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65125 states, 65124 states have (on average 1.1721638719980345) internal successors, (76336), 65124 states have internal predecessors, (76336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:31:42,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65125 states to 65125 states and 76336 transitions. [2022-10-16 03:31:42,736 INFO L78 Accepts]: Start accepts. Automaton has 65125 states and 76336 transitions. Word has length 102 [2022-10-16 03:31:42,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:31:42,737 INFO L495 AbstractCegarLoop]: Abstraction has 65125 states and 76336 transitions. [2022-10-16 03:31:42,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.818181818181818) internal successors, (97), 10 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:31:42,737 INFO L276 IsEmpty]: Start isEmpty. Operand 65125 states and 76336 transitions. [2022-10-16 03:31:42,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-16 03:31:42,741 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:31:42,741 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:31:42,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-10-16 03:31:42,742 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:31:42,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:31:42,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1542191158, now seen corresponding path program 1 times [2022-10-16 03:31:42,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:31:42,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343209037] [2022-10-16 03:31:42,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:31:42,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:31:42,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:31:42,870 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 03:31:42,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:31:42,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343209037] [2022-10-16 03:31:42,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343209037] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:31:42,871 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:31:42,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:31:42,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112075259] [2022-10-16 03:31:42,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:31:42,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:31:42,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:31:42,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:31:42,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:31:42,872 INFO L87 Difference]: Start difference. First operand 65125 states and 76336 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:31:43,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:31:43,368 INFO L93 Difference]: Finished difference Result 33292 states and 38271 transitions. [2022-10-16 03:31:43,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:31:43,374 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2022-10-16 03:31:43,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:31:43,412 INFO L225 Difference]: With dead ends: 33292 [2022-10-16 03:31:43,412 INFO L226 Difference]: Without dead ends: 33292 [2022-10-16 03:31:43,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:31:43,413 INFO L413 NwaCegarLoop]: 463 mSDtfsCounter, 249 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:31:43,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 647 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:31:43,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33292 states. [2022-10-16 03:31:43,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33292 to 33290. [2022-10-16 03:31:43,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33290 states, 33289 states have (on average 1.1496290065787498) internal successors, (38270), 33289 states have internal predecessors, (38270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:31:43,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33290 states to 33290 states and 38270 transitions. [2022-10-16 03:31:43,721 INFO L78 Accepts]: Start accepts. Automaton has 33290 states and 38270 transitions. Word has length 102 [2022-10-16 03:31:43,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:31:43,722 INFO L495 AbstractCegarLoop]: Abstraction has 33290 states and 38270 transitions. [2022-10-16 03:31:43,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:31:43,722 INFO L276 IsEmpty]: Start isEmpty. Operand 33290 states and 38270 transitions. [2022-10-16 03:31:43,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-16 03:31:43,725 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:31:43,726 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:31:43,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-10-16 03:31:43,726 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:31:43,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:31:43,726 INFO L85 PathProgramCache]: Analyzing trace with hash -1325750313, now seen corresponding path program 1 times [2022-10-16 03:31:43,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:31:43,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682980601] [2022-10-16 03:31:43,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:31:43,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:31:43,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:31:44,596 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:31:44,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:31:44,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682980601] [2022-10-16 03:31:44,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682980601] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 03:31:44,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1943827468] [2022-10-16 03:31:44,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:31:44,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 03:31:44,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 03:31:44,599 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 03:31:44,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-16 03:31:44,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:31:44,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 579 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-16 03:31:44,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 03:31:45,496 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:31:45,496 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 03:31:45,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1943827468] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:31:45,497 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 03:31:45,497 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [12] total 21 [2022-10-16 03:31:45,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729797651] [2022-10-16 03:31:45,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:31:45,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 03:31:45,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:31:45,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 03:31:45,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:31:45,500 INFO L87 Difference]: Start difference. First operand 33290 states and 38270 transitions. Second operand has 10 states, 10 states have (on average 10.2) internal successors, (102), 10 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:31:46,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:31:46,488 INFO L93 Difference]: Finished difference Result 36134 states and 41469 transitions. [2022-10-16 03:31:46,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-16 03:31:46,488 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.2) internal successors, (102), 10 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2022-10-16 03:31:46,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:31:46,527 INFO L225 Difference]: With dead ends: 36134 [2022-10-16 03:31:46,527 INFO L226 Difference]: Without dead ends: 36134 [2022-10-16 03:31:46,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=161, Invalid=895, Unknown=0, NotChecked=0, Total=1056 [2022-10-16 03:31:46,528 INFO L413 NwaCegarLoop]: 605 mSDtfsCounter, 789 mSDsluCounter, 3524 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 789 SdHoareTripleChecker+Valid, 4129 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:31:46,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [789 Valid, 4129 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 03:31:46,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36134 states. [2022-10-16 03:31:46,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36134 to 35379. [2022-10-16 03:31:46,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35379 states, 35378 states have (on average 1.149188761377127) internal successors, (40656), 35378 states have internal predecessors, (40656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:31:47,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35379 states to 35379 states and 40656 transitions. [2022-10-16 03:31:47,006 INFO L78 Accepts]: Start accepts. Automaton has 35379 states and 40656 transitions. Word has length 102 [2022-10-16 03:31:47,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:31:47,006 INFO L495 AbstractCegarLoop]: Abstraction has 35379 states and 40656 transitions. [2022-10-16 03:31:47,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.2) internal successors, (102), 10 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:31:47,006 INFO L276 IsEmpty]: Start isEmpty. Operand 35379 states and 40656 transitions. [2022-10-16 03:31:47,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-16 03:31:47,010 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:31:47,010 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:31:47,036 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-16 03:31:47,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2022-10-16 03:31:47,211 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:31:47,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:31:47,213 INFO L85 PathProgramCache]: Analyzing trace with hash 211862043, now seen corresponding path program 1 times [2022-10-16 03:31:47,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:31:47,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880068187] [2022-10-16 03:31:47,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:31:47,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:31:47,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:31:47,828 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:31:47,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:31:47,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880068187] [2022-10-16 03:31:47,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880068187] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 03:31:47,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [222061553] [2022-10-16 03:31:47,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:31:47,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 03:31:47,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 03:31:47,831 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 03:31:47,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-16 03:31:48,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:31:48,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-16 03:31:48,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 03:31:49,105 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:31:49,105 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 03:31:50,164 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:31:50,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [222061553] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 03:31:50,164 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 03:31:50,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11, 11] total 29 [2022-10-16 03:31:50,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286236611] [2022-10-16 03:31:50,165 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 03:31:50,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-10-16 03:31:50,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:31:50,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-10-16 03:31:50,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=718, Unknown=0, NotChecked=0, Total=812 [2022-10-16 03:31:50,166 INFO L87 Difference]: Start difference. First operand 35379 states and 40656 transitions. Second operand has 29 states, 29 states have (on average 8.482758620689655) internal successors, (246), 29 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:31:53,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:31:53,173 INFO L93 Difference]: Finished difference Result 44214 states and 50529 transitions. [2022-10-16 03:31:53,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-10-16 03:31:53,174 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 8.482758620689655) internal successors, (246), 29 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2022-10-16 03:31:53,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:31:53,215 INFO L225 Difference]: With dead ends: 44214 [2022-10-16 03:31:53,215 INFO L226 Difference]: Without dead ends: 44214 [2022-10-16 03:31:53,215 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 189 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 423 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=538, Invalid=2218, Unknown=0, NotChecked=0, Total=2756 [2022-10-16 03:31:53,216 INFO L413 NwaCegarLoop]: 595 mSDtfsCounter, 3000 mSDsluCounter, 7585 mSDsCounter, 0 mSdLazyCounter, 1743 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3000 SdHoareTripleChecker+Valid, 8180 SdHoareTripleChecker+Invalid, 1819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 1743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:31:53,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3000 Valid, 8180 Invalid, 1819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 1743 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 03:31:53,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44214 states. [2022-10-16 03:31:53,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44214 to 39270. [2022-10-16 03:31:53,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39270 states, 39269 states have (on average 1.1484376989482799) internal successors, (45098), 39269 states have internal predecessors, (45098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:31:53,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39270 states to 39270 states and 45098 transitions. [2022-10-16 03:31:53,692 INFO L78 Accepts]: Start accepts. Automaton has 39270 states and 45098 transitions. Word has length 102 [2022-10-16 03:31:53,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:31:53,693 INFO L495 AbstractCegarLoop]: Abstraction has 39270 states and 45098 transitions. [2022-10-16 03:31:53,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 8.482758620689655) internal successors, (246), 29 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:31:53,693 INFO L276 IsEmpty]: Start isEmpty. Operand 39270 states and 45098 transitions. [2022-10-16 03:31:53,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-16 03:31:53,697 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:31:53,697 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:31:53,721 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-10-16 03:31:53,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 03:31:53,898 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:31:53,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:31:53,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1341734930, now seen corresponding path program 1 times [2022-10-16 03:31:53,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:31:53,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74771377] [2022-10-16 03:31:53,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:31:53,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:31:53,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:31:55,156 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:31:55,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:31:55,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74771377] [2022-10-16 03:31:55,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74771377] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 03:31:55,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171087066] [2022-10-16 03:31:55,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:31:55,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 03:31:55,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 03:31:55,163 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 03:31:55,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-16 03:31:55,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:31:55,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-16 03:31:55,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 03:31:56,260 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:31:56,261 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 03:31:56,961 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:31:56,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [171087066] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 03:31:56,961 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 03:31:56,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 11, 10] total 34 [2022-10-16 03:31:56,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990033461] [2022-10-16 03:31:56,962 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 03:31:56,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-10-16 03:31:56,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:31:56,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-10-16 03:31:56,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=1018, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 03:31:56,964 INFO L87 Difference]: Start difference. First operand 39270 states and 45098 transitions. Second operand has 34 states, 34 states have (on average 8.029411764705882) internal successors, (273), 34 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:32:08,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:32:08,967 INFO L93 Difference]: Finished difference Result 48034 states and 54714 transitions. [2022-10-16 03:32:08,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2022-10-16 03:32:08,967 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 8.029411764705882) internal successors, (273), 34 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2022-10-16 03:32:08,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:32:09,007 INFO L225 Difference]: With dead ends: 48034 [2022-10-16 03:32:09,007 INFO L226 Difference]: Without dead ends: 48031 [2022-10-16 03:32:09,008 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 188 SyntacticMatches, 2 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3031 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=2013, Invalid=9329, Unknown=0, NotChecked=0, Total=11342 [2022-10-16 03:32:09,009 INFO L413 NwaCegarLoop]: 799 mSDtfsCounter, 3533 mSDsluCounter, 13731 mSDsCounter, 0 mSdLazyCounter, 4187 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3533 SdHoareTripleChecker+Valid, 14530 SdHoareTripleChecker+Invalid, 4325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 4187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:32:09,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3533 Valid, 14530 Invalid, 4325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 4187 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-10-16 03:32:09,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48031 states. [2022-10-16 03:32:09,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48031 to 39278. [2022-10-16 03:32:09,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39278 states, 39277 states have (on average 1.1476945795249127) internal successors, (45078), 39277 states have internal predecessors, (45078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:32:09,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39278 states to 39278 states and 45078 transitions. [2022-10-16 03:32:09,456 INFO L78 Accepts]: Start accepts. Automaton has 39278 states and 45078 transitions. Word has length 102 [2022-10-16 03:32:09,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:32:09,456 INFO L495 AbstractCegarLoop]: Abstraction has 39278 states and 45078 transitions. [2022-10-16 03:32:09,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 8.029411764705882) internal successors, (273), 34 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:32:09,456 INFO L276 IsEmpty]: Start isEmpty. Operand 39278 states and 45078 transitions. [2022-10-16 03:32:09,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-10-16 03:32:09,461 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:32:09,462 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:32:09,488 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-10-16 03:32:09,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 03:32:09,663 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2022-10-16 03:32:09,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:32:09,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1212972241, now seen corresponding path program 1 times [2022-10-16 03:32:09,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:32:09,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183457667] [2022-10-16 03:32:09,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:32:09,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:32:09,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:32:10,882 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:32:10,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:32:10,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183457667] [2022-10-16 03:32:10,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183457667] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 03:32:10,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [944185681] [2022-10-16 03:32:10,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:32:10,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 03:32:10,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 03:32:10,885 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 03:32:10,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-10-16 03:32:11,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:32:11,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-16 03:32:11,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 03:32:12,010 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:32:12,010 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 03:32:12,722 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:32:12,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [944185681] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 03:32:12,723 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 03:32:12,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 11, 10] total 35 [2022-10-16 03:32:12,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909922494] [2022-10-16 03:32:12,724 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 03:32:12,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-10-16 03:32:12,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:32:12,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-10-16 03:32:12,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=1084, Unknown=0, NotChecked=0, Total=1190 [2022-10-16 03:32:12,725 INFO L87 Difference]: Start difference. First operand 39278 states and 45078 transitions. Second operand has 35 states, 35 states have (on average 7.714285714285714) internal successors, (270), 35 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:32:24,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:32:24,429 INFO L93 Difference]: Finished difference Result 80972 states and 92833 transitions. [2022-10-16 03:32:24,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2022-10-16 03:32:24,430 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 7.714285714285714) internal successors, (270), 35 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2022-10-16 03:32:24,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:32:24,511 INFO L225 Difference]: With dead ends: 80972 [2022-10-16 03:32:24,511 INFO L226 Difference]: Without dead ends: 80972 [2022-10-16 03:32:24,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 190 SyntacticMatches, 2 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3694 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=1876, Invalid=11464, Unknown=0, NotChecked=0, Total=13340 [2022-10-16 03:32:24,514 INFO L413 NwaCegarLoop]: 764 mSDtfsCounter, 4724 mSDsluCounter, 16205 mSDsCounter, 0 mSdLazyCounter, 5431 mSolverCounterSat, 230 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4724 SdHoareTripleChecker+Valid, 16969 SdHoareTripleChecker+Invalid, 5661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 230 IncrementalHoareTripleChecker+Valid, 5431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:32:24,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4724 Valid, 16969 Invalid, 5661 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [230 Valid, 5431 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-10-16 03:32:24,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80972 states.