/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.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 03:32:57,768 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 03:32:57,772 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 03:32:57,834 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 03:32:57,835 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 03:32:57,840 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 03:32:57,843 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 03:32:57,851 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 03:32:57,853 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 03:32:57,859 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 03:32:57,860 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 03:32:57,863 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 03:32:57,863 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 03:32:57,866 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 03:32:57,867 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 03:32:57,872 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 03:32:57,874 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 03:32:57,875 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 03:32:57,878 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 03:32:57,886 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 03:32:57,888 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 03:32:57,890 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 03:32:57,892 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 03:32:57,894 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 03:32:57,902 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 03:32:57,903 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 03:32:57,903 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 03:32:57,905 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 03:32:57,905 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 03:32:57,906 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 03:32:57,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 03:32:57,907 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 03:32:57,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 03:32:57,910 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 03:32:57,911 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 03:32:57,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 03:32:57,912 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 03:32:57,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 03:32:57,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 03:32:57,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 03:32:57,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 03:32:57,919 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 03:32:57,968 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 03:32:57,969 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 03:32:57,970 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 03:32:57,970 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 03:32:57,971 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 03:32:57,971 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 03:32:57,973 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 03:32:57,974 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 03:32:57,974 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 03:32:57,974 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 03:32:57,975 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 03:32:57,976 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 03:32:57,976 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 03:32:57,976 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 03:32:57,976 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 03:32:57,976 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-16 03:32:57,976 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-16 03:32:57,977 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-16 03:32:57,977 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 03:32:57,977 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-16 03:32:57,977 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 03:32:57,977 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 03:32:57,978 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 03:32:57,978 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 03:32:57,978 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 03:32:57,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 03:32:57,978 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 03:32:57,979 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 03:32:57,979 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 03:32:57,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 03:32:57,979 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 03:32:58,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 03:32:58,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 03:32:58,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 03:32:58,367 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 03:32:58,368 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 03:32:58,369 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2022-10-16 03:32:58,451 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2936f8539/0a134235ae5b4cb4afaa261b5181c246/FLAGfc5e2101b [2022-10-16 03:32:59,485 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 03:32:59,486 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2022-10-16 03:32:59,529 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2936f8539/0a134235ae5b4cb4afaa261b5181c246/FLAGfc5e2101b [2022-10-16 03:32:59,997 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2936f8539/0a134235ae5b4cb4afaa261b5181c246 [2022-10-16 03:33:00,001 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 03:33:00,008 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 03:33:00,012 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 03:33:00,013 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 03:33:00,018 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 03:33:00,019 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:32:59" (1/1) ... [2022-10-16 03:33:00,021 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71faa181 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:33:00, skipping insertion in model container [2022-10-16 03:33:00,021 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:32:59" (1/1) ... [2022-10-16 03:33:00,030 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 03:33:00,233 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 03:33:00,677 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.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[12458,12471] [2022-10-16 03:33:00,717 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.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[19724,19737] [2022-10-16 03:33:00,729 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.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[22076,22089] [2022-10-16 03:33:00,736 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.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[23196,23209] [2022-10-16 03:33:00,755 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.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[26746,26759] [2022-10-16 03:33:00,762 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.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[27869,27882] [2022-10-16 03:33:00,775 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.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[30184,30197] [2022-10-16 03:33:01,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 03:33:01,392 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 03:33:01,440 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.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[12458,12471] [2022-10-16 03:33:01,461 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.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[19724,19737] [2022-10-16 03:33:01,470 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.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[22076,22089] [2022-10-16 03:33:01,475 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.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[23196,23209] [2022-10-16 03:33:01,488 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.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[26746,26759] [2022-10-16 03:33:01,493 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.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[27869,27882] [2022-10-16 03:33:01,501 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.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[30184,30197] [2022-10-16 03:33:01,925 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 03:33:01,964 INFO L208 MainTranslator]: Completed translation [2022-10-16 03:33:01,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:33:01 WrapperNode [2022-10-16 03:33:01,965 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 03:33:01,966 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 03:33:01,967 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 03:33:01,967 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 03:33:01,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:33:01" (1/1) ... [2022-10-16 03:33:02,085 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:33:01" (1/1) ... [2022-10-16 03:33:02,210 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 7008 [2022-10-16 03:33:02,210 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 03:33:02,211 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 03:33:02,211 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 03:33:02,211 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 03:33:02,222 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:33:01" (1/1) ... [2022-10-16 03:33:02,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:33:01" (1/1) ... [2022-10-16 03:33:02,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:33:01" (1/1) ... [2022-10-16 03:33:02,237 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:33:01" (1/1) ... [2022-10-16 03:33:02,324 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:33:01" (1/1) ... [2022-10-16 03:33:02,358 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:33:01" (1/1) ... [2022-10-16 03:33:02,384 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:33:01" (1/1) ... [2022-10-16 03:33:02,403 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:33:01" (1/1) ... [2022-10-16 03:33:02,437 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 03:33:02,439 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 03:33:02,439 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 03:33:02,439 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 03:33:02,440 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:33:01" (1/1) ... [2022-10-16 03:33:02,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 03:33:02,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 03:33:02,478 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 03:33:02,504 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 03:33:02,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 03:33:02,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 03:33:02,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 03:33:02,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 03:33:02,948 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 03:33:02,951 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 03:33:05,834 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 03:33:05,856 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 03:33:05,857 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 03:33:05,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:33:05 BoogieIcfgContainer [2022-10-16 03:33:05,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 03:33:05,863 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 03:33:05,864 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 03:33:05,867 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 03:33:05,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:32:59" (1/3) ... [2022-10-16 03:33:05,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4090021c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:33:05, skipping insertion in model container [2022-10-16 03:33:05,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:33:01" (2/3) ... [2022-10-16 03:33:05,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4090021c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:33:05, skipping insertion in model container [2022-10-16 03:33:05,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:33:05" (3/3) ... [2022-10-16 03:33:05,870 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2022-10-16 03:33:05,891 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 03:33:05,892 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-10-16 03:33:05,964 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 03:33:05,972 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;@7c76a342, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 03:33:05,973 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-10-16 03:33:05,983 INFO L276 IsEmpty]: Start isEmpty. Operand has 1107 states, 1098 states have (on average 1.8861566484517305) internal successors, (2071), 1106 states have internal predecessors, (2071), 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 03:33:05,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 03:33:05,990 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:33:05,991 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 03:33:05,991 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:33:05,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:33:05,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1088165, now seen corresponding path program 1 times [2022-10-16 03:33:06,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:33:06,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89995890] [2022-10-16 03:33:06,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:33:06,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:33:06,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:33:06,452 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 03:33:06,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:33:06,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89995890] [2022-10-16 03:33:06,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89995890] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:33:06,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:33:06,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 03:33:06,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098822840] [2022-10-16 03:33:06,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:33:06,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:33:06,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:33:06,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:33:06,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:33:06,501 INFO L87 Difference]: Start difference. First operand has 1107 states, 1098 states have (on average 1.8861566484517305) internal successors, (2071), 1106 states have internal predecessors, (2071), 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 03:33:06,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:33:06,640 INFO L93 Difference]: Finished difference Result 1106 states and 2063 transitions. [2022-10-16 03:33:06,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:33:06,646 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 03:33:06,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:33:06,671 INFO L225 Difference]: With dead ends: 1106 [2022-10-16 03:33:06,672 INFO L226 Difference]: Without dead ends: 1103 [2022-10-16 03:33:06,674 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 03:33:06,678 INFO L413 NwaCegarLoop]: 2062 mSDtfsCounter, 2060 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2060 SdHoareTripleChecker+Valid, 2062 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 03:33:06,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2060 Valid, 2062 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:33:06,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1103 states. [2022-10-16 03:33:06,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1103 to 1103. [2022-10-16 03:33:06,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1103 states, 1096 states have (on average 1.2937956204379562) internal successors, (1418), 1102 states have internal predecessors, (1418), 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 03:33:06,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1103 states to 1103 states and 1418 transitions. [2022-10-16 03:33:06,839 INFO L78 Accepts]: Start accepts. Automaton has 1103 states and 1418 transitions. Word has length 4 [2022-10-16 03:33:06,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:33:06,840 INFO L495 AbstractCegarLoop]: Abstraction has 1103 states and 1418 transitions. [2022-10-16 03:33:06,840 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 03:33:06,840 INFO L276 IsEmpty]: Start isEmpty. Operand 1103 states and 1418 transitions. [2022-10-16 03:33:06,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-16 03:33:06,857 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:33:06,857 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 03:33:06,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 03:33:06,858 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:33:06,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:33:06,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1160265217, now seen corresponding path program 1 times [2022-10-16 03:33:06,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:33:06,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462056600] [2022-10-16 03:33:06,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:33:06,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:33:07,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:33:07,205 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 03:33:07,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:33:07,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462056600] [2022-10-16 03:33:07,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462056600] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:33:07,212 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:33:07,212 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:33:07,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169974694] [2022-10-16 03:33:07,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:33:07,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:33:07,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:33:07,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:33:07,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:33:07,218 INFO L87 Difference]: Start difference. First operand 1103 states and 1418 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 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 03:33:07,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:33:07,424 INFO L93 Difference]: Finished difference Result 1288 states and 1680 transitions. [2022-10-16 03:33:07,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:33:07,425 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 03:33:07,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:33:07,432 INFO L225 Difference]: With dead ends: 1288 [2022-10-16 03:33:07,432 INFO L226 Difference]: Without dead ends: 1288 [2022-10-16 03:33:07,432 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 03:33:07,434 INFO L413 NwaCegarLoop]: 1408 mSDtfsCounter, 683 mSDsluCounter, 883 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 683 SdHoareTripleChecker+Valid, 2291 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:33:07,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [683 Valid, 2291 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 03:33:07,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1288 states. [2022-10-16 03:33:07,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1288 to 1280. [2022-10-16 03:33:07,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1280 states, 1273 states have (on average 1.3165750196386488) internal successors, (1676), 1279 states have internal predecessors, (1676), 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 03:33:07,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 1280 states and 1676 transitions. [2022-10-16 03:33:07,466 INFO L78 Accepts]: Start accepts. Automaton has 1280 states and 1676 transitions. Word has length 64 [2022-10-16 03:33:07,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:33:07,467 INFO L495 AbstractCegarLoop]: Abstraction has 1280 states and 1676 transitions. [2022-10-16 03:33:07,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 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 03:33:07,467 INFO L276 IsEmpty]: Start isEmpty. Operand 1280 states and 1676 transitions. [2022-10-16 03:33:07,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-16 03:33:07,471 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:33:07,472 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 03:33:07,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 03:33:07,472 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:33:07,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:33:07,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1978887998, now seen corresponding path program 1 times [2022-10-16 03:33:07,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:33:07,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432229229] [2022-10-16 03:33:07,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:33:07,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:33:07,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:33:07,626 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 03:33:07,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:33:07,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432229229] [2022-10-16 03:33:07,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432229229] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:33:07,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:33:07,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:33:07,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284084194] [2022-10-16 03:33:07,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:33:07,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:33:07,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:33:07,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:33:07,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:33:07,630 INFO L87 Difference]: Start difference. First operand 1280 states and 1676 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 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 03:33:07,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:33:07,711 INFO L93 Difference]: Finished difference Result 1576 states and 2096 transitions. [2022-10-16 03:33:07,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:33:07,712 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 03:33:07,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:33:07,720 INFO L225 Difference]: With dead ends: 1576 [2022-10-16 03:33:07,720 INFO L226 Difference]: Without dead ends: 1576 [2022-10-16 03:33:07,720 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 03:33:07,722 INFO L413 NwaCegarLoop]: 1424 mSDtfsCounter, 717 mSDsluCounter, 891 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 717 SdHoareTripleChecker+Valid, 2315 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:33:07,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [717 Valid, 2315 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:33:07,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2022-10-16 03:33:07,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1568. [2022-10-16 03:33:07,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1561 states have (on average 1.3401665598975017) internal successors, (2092), 1567 states have internal predecessors, (2092), 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 03:33:07,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2092 transitions. [2022-10-16 03:33:07,760 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2092 transitions. Word has length 64 [2022-10-16 03:33:07,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:33:07,761 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2092 transitions. [2022-10-16 03:33:07,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 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 03:33:07,761 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2092 transitions. [2022-10-16 03:33:07,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-16 03:33:07,765 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:33:07,765 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 03:33:07,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 03:33:07,766 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:33:07,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:33:07,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1566940908, now seen corresponding path program 1 times [2022-10-16 03:33:07,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:33:07,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805404782] [2022-10-16 03:33:07,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:33:07,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:33:07,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:33:07,972 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 03:33:07,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:33:07,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805404782] [2022-10-16 03:33:07,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805404782] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:33:07,973 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:33:07,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:33:07,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569108260] [2022-10-16 03:33:07,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:33:07,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:33:07,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:33:07,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:33:07,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:33:07,978 INFO L87 Difference]: Start difference. First operand 1568 states and 2092 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 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 03:33:08,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:33:08,652 INFO L93 Difference]: Finished difference Result 1783 states and 2459 transitions. [2022-10-16 03:33:08,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:33:08,653 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 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 03:33:08,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:33:08,666 INFO L225 Difference]: With dead ends: 1783 [2022-10-16 03:33:08,667 INFO L226 Difference]: Without dead ends: 1783 [2022-10-16 03:33:08,667 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 03:33:08,675 INFO L413 NwaCegarLoop]: 679 mSDtfsCounter, 3661 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3661 SdHoareTripleChecker+Valid, 834 SdHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 03:33:08,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3661 Valid, 834 Invalid, 508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 03:33:08,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1783 states. [2022-10-16 03:33:08,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1783 to 1775. [2022-10-16 03:33:08,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1775 states, 1768 states have (on average 1.3885746606334841) internal successors, (2455), 1774 states have internal predecessors, (2455), 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 03:33:08,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 1775 states and 2455 transitions. [2022-10-16 03:33:08,728 INFO L78 Accepts]: Start accepts. Automaton has 1775 states and 2455 transitions. Word has length 64 [2022-10-16 03:33:08,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:33:08,728 INFO L495 AbstractCegarLoop]: Abstraction has 1775 states and 2455 transitions. [2022-10-16 03:33:08,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 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 03:33:08,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 2455 transitions. [2022-10-16 03:33:08,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-16 03:33:08,734 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:33:08,735 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] [2022-10-16 03:33:08,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 03:33:08,735 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:33:08,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:33:08,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1913482263, now seen corresponding path program 1 times [2022-10-16 03:33:08,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:33:08,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692079734] [2022-10-16 03:33:08,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:33:08,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:33:08,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:33:08,851 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 03:33:08,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:33:08,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692079734] [2022-10-16 03:33:08,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692079734] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:33:08,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:33:08,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:33:08,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841681751] [2022-10-16 03:33:08,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:33:08,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:33:08,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:33:08,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:33:08,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:33:08,855 INFO L87 Difference]: Start difference. First operand 1775 states and 2455 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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 03:33:08,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:33:08,908 INFO L93 Difference]: Finished difference Result 2489 states and 3403 transitions. [2022-10-16 03:33:08,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:33:08,909 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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 65 [2022-10-16 03:33:08,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:33:08,922 INFO L225 Difference]: With dead ends: 2489 [2022-10-16 03:33:08,922 INFO L226 Difference]: Without dead ends: 2489 [2022-10-16 03:33:08,922 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 03:33:08,923 INFO L413 NwaCegarLoop]: 1421 mSDtfsCounter, 897 mSDsluCounter, 717 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 897 SdHoareTripleChecker+Valid, 2138 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:33:08,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [897 Valid, 2138 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:33:08,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2489 states. [2022-10-16 03:33:08,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2489 to 2477. [2022-10-16 03:33:08,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2477 states, 2470 states have (on average 1.374493927125506) internal successors, (3395), 2476 states have internal predecessors, (3395), 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 03:33:08,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2477 states to 2477 states and 3395 transitions. [2022-10-16 03:33:08,988 INFO L78 Accepts]: Start accepts. Automaton has 2477 states and 3395 transitions. Word has length 65 [2022-10-16 03:33:08,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:33:08,989 INFO L495 AbstractCegarLoop]: Abstraction has 2477 states and 3395 transitions. [2022-10-16 03:33:08,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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 03:33:08,989 INFO L276 IsEmpty]: Start isEmpty. Operand 2477 states and 3395 transitions. [2022-10-16 03:33:08,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-16 03:33:08,994 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:33:08,994 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] [2022-10-16 03:33:08,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 03:33:08,995 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:33:08,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:33:08,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1759204869, now seen corresponding path program 1 times [2022-10-16 03:33:08,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:33:08,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079420018] [2022-10-16 03:33:08,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:33:08,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:33:09,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:33:09,178 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 03:33:09,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:33:09,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079420018] [2022-10-16 03:33:09,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079420018] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:33:09,179 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:33:09,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:33:09,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702071262] [2022-10-16 03:33:09,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:33:09,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:33:09,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:33:09,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:33:09,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:33:09,182 INFO L87 Difference]: Start difference. First operand 2477 states and 3395 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 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 03:33:09,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:33:09,779 INFO L93 Difference]: Finished difference Result 2856 states and 3883 transitions. [2022-10-16 03:33:09,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:33:09,780 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 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 65 [2022-10-16 03:33:09,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:33:09,793 INFO L225 Difference]: With dead ends: 2856 [2022-10-16 03:33:09,793 INFO L226 Difference]: Without dead ends: 2856 [2022-10-16 03:33:09,794 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 03:33:09,795 INFO L413 NwaCegarLoop]: 569 mSDtfsCounter, 3042 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3042 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:33:09,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3042 Valid, 696 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 460 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 03:33:09,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2856 states. [2022-10-16 03:33:09,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2856 to 2842. [2022-10-16 03:33:09,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2842 states, 2835 states have (on average 1.366137566137566) internal successors, (3873), 2841 states have internal predecessors, (3873), 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 03:33:09,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2842 states to 2842 states and 3873 transitions. [2022-10-16 03:33:09,913 INFO L78 Accepts]: Start accepts. Automaton has 2842 states and 3873 transitions. Word has length 65 [2022-10-16 03:33:09,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:33:09,913 INFO L495 AbstractCegarLoop]: Abstraction has 2842 states and 3873 transitions. [2022-10-16 03:33:09,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 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 03:33:09,914 INFO L276 IsEmpty]: Start isEmpty. Operand 2842 states and 3873 transitions. [2022-10-16 03:33:09,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-16 03:33:09,918 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:33:09,918 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] [2022-10-16 03:33:09,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 03:33:09,919 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:33:09,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:33:09,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1773849621, now seen corresponding path program 1 times [2022-10-16 03:33:09,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:33:09,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120121639] [2022-10-16 03:33:09,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:33:09,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:33:09,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:33:10,134 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 03:33:10,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:33:10,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120121639] [2022-10-16 03:33:10,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120121639] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:33:10,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:33:10,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:33:10,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843069777] [2022-10-16 03:33:10,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:33:10,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:33:10,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:33:10,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:33:10,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:33:10,141 INFO L87 Difference]: Start difference. First operand 2842 states and 3873 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 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 03:33:10,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:33:10,690 INFO L93 Difference]: Finished difference Result 4186 states and 5825 transitions. [2022-10-16 03:33:10,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:33:10,690 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 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 65 [2022-10-16 03:33:10,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:33:10,711 INFO L225 Difference]: With dead ends: 4186 [2022-10-16 03:33:10,711 INFO L226 Difference]: Without dead ends: 4186 [2022-10-16 03:33:10,711 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 03:33:10,712 INFO L413 NwaCegarLoop]: 488 mSDtfsCounter, 2719 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2719 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:33:10,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2719 Valid, 645 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 03:33:10,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4186 states. [2022-10-16 03:33:10,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4186 to 4178. [2022-10-16 03:33:10,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4178 states, 4171 states have (on average 1.3955885878686167) internal successors, (5821), 4177 states have internal predecessors, (5821), 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 03:33:10,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4178 states to 4178 states and 5821 transitions. [2022-10-16 03:33:10,820 INFO L78 Accepts]: Start accepts. Automaton has 4178 states and 5821 transitions. Word has length 65 [2022-10-16 03:33:10,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:33:10,820 INFO L495 AbstractCegarLoop]: Abstraction has 4178 states and 5821 transitions. [2022-10-16 03:33:10,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 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 03:33:10,821 INFO L276 IsEmpty]: Start isEmpty. Operand 4178 states and 5821 transitions. [2022-10-16 03:33:10,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-16 03:33:10,825 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:33:10,825 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:33:10,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 03:33:10,825 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:33:10,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:33:10,826 INFO L85 PathProgramCache]: Analyzing trace with hash -2076438910, now seen corresponding path program 1 times [2022-10-16 03:33:10,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:33:10,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299002646] [2022-10-16 03:33:10,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:33:10,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:33:10,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:33:10,923 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 03:33:10,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:33:10,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299002646] [2022-10-16 03:33:10,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299002646] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:33:10,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:33:10,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:33:10,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292318488] [2022-10-16 03:33:10,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:33:10,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:33:10,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:33:10,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:33:10,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:33:10,926 INFO L87 Difference]: Start difference. First operand 4178 states and 5821 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 03:33:10,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:33:10,989 INFO L93 Difference]: Finished difference Result 5787 states and 7918 transitions. [2022-10-16 03:33:10,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:33:10,989 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 03:33:10,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:33:11,016 INFO L225 Difference]: With dead ends: 5787 [2022-10-16 03:33:11,016 INFO L226 Difference]: Without dead ends: 5787 [2022-10-16 03:33:11,016 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 03:33:11,017 INFO L413 NwaCegarLoop]: 963 mSDtfsCounter, 584 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 584 SdHoareTripleChecker+Valid, 1530 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:33:11,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [584 Valid, 1530 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:33:11,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5787 states. [2022-10-16 03:33:11,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5787 to 5761. [2022-10-16 03:33:11,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5761 states, 5754 states have (on average 1.3722627737226278) internal successors, (7896), 5760 states have internal predecessors, (7896), 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 03:33:11,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5761 states to 5761 states and 7896 transitions. [2022-10-16 03:33:11,177 INFO L78 Accepts]: Start accepts. Automaton has 5761 states and 7896 transitions. Word has length 66 [2022-10-16 03:33:11,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:33:11,178 INFO L495 AbstractCegarLoop]: Abstraction has 5761 states and 7896 transitions. [2022-10-16 03:33:11,178 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 03:33:11,178 INFO L276 IsEmpty]: Start isEmpty. Operand 5761 states and 7896 transitions. [2022-10-16 03:33:11,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-16 03:33:11,185 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:33:11,185 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] [2022-10-16 03:33:11,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 03:33:11,186 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:33:11,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:33:11,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1790108590, now seen corresponding path program 1 times [2022-10-16 03:33:11,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:33:11,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849014293] [2022-10-16 03:33:11,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:33:11,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:33:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:33:11,400 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 03:33:11,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:33:11,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849014293] [2022-10-16 03:33:11,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849014293] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:33:11,400 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:33:11,401 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:33:11,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26300382] [2022-10-16 03:33:11,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:33:11,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:33:11,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:33:11,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:33:11,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:33:11,402 INFO L87 Difference]: Start difference. First operand 5761 states and 7896 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 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 03:33:11,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:33:11,813 INFO L93 Difference]: Finished difference Result 7617 states and 10425 transitions. [2022-10-16 03:33:11,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:33:11,814 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 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 67 [2022-10-16 03:33:11,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:33:11,850 INFO L225 Difference]: With dead ends: 7617 [2022-10-16 03:33:11,850 INFO L226 Difference]: Without dead ends: 7617 [2022-10-16 03:33:11,851 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 03:33:11,851 INFO L413 NwaCegarLoop]: 431 mSDtfsCounter, 2375 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2375 SdHoareTripleChecker+Valid, 580 SdHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:33:11,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2375 Valid, 580 Invalid, 362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 03:33:11,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7617 states. [2022-10-16 03:33:11,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7617 to 7582. [2022-10-16 03:33:12,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7582 states, 7575 states have (on average 1.372145214521452) internal successors, (10394), 7581 states have internal predecessors, (10394), 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 03:33:12,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7582 states to 7582 states and 10394 transitions. [2022-10-16 03:33:12,021 INFO L78 Accepts]: Start accepts. Automaton has 7582 states and 10394 transitions. Word has length 67 [2022-10-16 03:33:12,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:33:12,022 INFO L495 AbstractCegarLoop]: Abstraction has 7582 states and 10394 transitions. [2022-10-16 03:33:12,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 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 03:33:12,022 INFO L276 IsEmpty]: Start isEmpty. Operand 7582 states and 10394 transitions. [2022-10-16 03:33:12,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 03:33:12,030 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:33:12,030 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 03:33:12,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 03:33:12,030 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:33:12,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:33:12,031 INFO L85 PathProgramCache]: Analyzing trace with hash 185593086, now seen corresponding path program 1 times [2022-10-16 03:33:12,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:33:12,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114776697] [2022-10-16 03:33:12,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:33:12,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:33:12,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:33:12,243 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 03:33:12,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:33:12,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114776697] [2022-10-16 03:33:12,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114776697] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:33:12,244 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:33:12,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 03:33:12,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799487127] [2022-10-16 03:33:12,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:33:12,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 03:33:12,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:33:12,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 03:33:12,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:33:12,246 INFO L87 Difference]: Start difference. First operand 7582 states and 10394 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) 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 03:33:13,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:33:13,217 INFO L93 Difference]: Finished difference Result 34010 states and 47697 transitions. [2022-10-16 03:33:13,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 03:33:13,218 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) 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 03:33:13,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:33:13,291 INFO L225 Difference]: With dead ends: 34010 [2022-10-16 03:33:13,291 INFO L226 Difference]: Without dead ends: 34010 [2022-10-16 03:33:13,291 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2022-10-16 03:33:13,292 INFO L413 NwaCegarLoop]: 444 mSDtfsCounter, 4950 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 269 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4950 SdHoareTripleChecker+Valid, 1133 SdHoareTripleChecker+Invalid, 954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 269 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 03:33:13,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4950 Valid, 1133 Invalid, 954 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [269 Valid, 685 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 03:33:13,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34010 states. [2022-10-16 03:33:13,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34010 to 7650. [2022-10-16 03:33:13,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7650 states, 7643 states have (on average 1.3714510009158707) internal successors, (10482), 7649 states have internal predecessors, (10482), 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 03:33:13,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7650 states to 7650 states and 10482 transitions. [2022-10-16 03:33:13,770 INFO L78 Accepts]: Start accepts. Automaton has 7650 states and 10482 transitions. Word has length 68 [2022-10-16 03:33:13,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:33:13,770 INFO L495 AbstractCegarLoop]: Abstraction has 7650 states and 10482 transitions. [2022-10-16 03:33:13,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) 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 03:33:13,771 INFO L276 IsEmpty]: Start isEmpty. Operand 7650 states and 10482 transitions. [2022-10-16 03:33:13,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 03:33:13,779 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:33:13,779 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 03:33:13,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 03:33:13,780 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:33:13,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:33:13,780 INFO L85 PathProgramCache]: Analyzing trace with hash 290423248, now seen corresponding path program 1 times [2022-10-16 03:33:13,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:33:13,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889863949] [2022-10-16 03:33:13,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:33:13,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:33:13,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:33:14,018 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 03:33:14,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:33:14,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889863949] [2022-10-16 03:33:14,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889863949] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:33:14,019 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:33:14,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 03:33:14,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949067027] [2022-10-16 03:33:14,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:33:14,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 03:33:14,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:33:14,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 03:33:14,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:33:14,021 INFO L87 Difference]: Start difference. First operand 7650 states and 10482 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) 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 03:33:14,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:33:14,864 INFO L93 Difference]: Finished difference Result 30095 states and 42035 transitions. [2022-10-16 03:33:14,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 03:33:14,865 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) 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 03:33:14,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:33:14,929 INFO L225 Difference]: With dead ends: 30095 [2022-10-16 03:33:14,929 INFO L226 Difference]: Without dead ends: 30095 [2022-10-16 03:33:14,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2022-10-16 03:33:14,930 INFO L413 NwaCegarLoop]: 440 mSDtfsCounter, 4490 mSDsluCounter, 679 mSDsCounter, 0 mSdLazyCounter, 695 mSolverCounterSat, 271 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4490 SdHoareTripleChecker+Valid, 1119 SdHoareTripleChecker+Invalid, 966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 271 IncrementalHoareTripleChecker+Valid, 695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 03:33:14,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4490 Valid, 1119 Invalid, 966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [271 Valid, 695 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 03:33:14,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30095 states. [2022-10-16 03:33:15,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30095 to 7772. [2022-10-16 03:33:15,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7772 states, 7765 states have (on average 1.3707662588538312) internal successors, (10644), 7771 states have internal predecessors, (10644), 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 03:33:15,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7772 states to 7772 states and 10644 transitions. [2022-10-16 03:33:15,393 INFO L78 Accepts]: Start accepts. Automaton has 7772 states and 10644 transitions. Word has length 68 [2022-10-16 03:33:15,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:33:15,394 INFO L495 AbstractCegarLoop]: Abstraction has 7772 states and 10644 transitions. [2022-10-16 03:33:15,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) 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 03:33:15,394 INFO L276 IsEmpty]: Start isEmpty. Operand 7772 states and 10644 transitions. [2022-10-16 03:33:15,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 03:33:15,403 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:33:15,403 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 03:33:15,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 03:33:15,404 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:33:15,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:33:15,404 INFO L85 PathProgramCache]: Analyzing trace with hash -770234336, now seen corresponding path program 1 times [2022-10-16 03:33:15,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:33:15,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596507938] [2022-10-16 03:33:15,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:33:15,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:33:15,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:33:15,620 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 03:33:15,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:33:15,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596507938] [2022-10-16 03:33:15,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596507938] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:33:15,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:33:15,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 03:33:15,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111282901] [2022-10-16 03:33:15,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:33:15,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 03:33:15,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:33:15,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 03:33:15,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:33:15,623 INFO L87 Difference]: Start difference. First operand 7772 states and 10644 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) 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 03:33:16,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:33:16,580 INFO L93 Difference]: Finished difference Result 26199 states and 36424 transitions. [2022-10-16 03:33:16,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 03:33:16,580 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) 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 03:33:16,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:33:16,631 INFO L225 Difference]: With dead ends: 26199 [2022-10-16 03:33:16,632 INFO L226 Difference]: Without dead ends: 26199 [2022-10-16 03:33:16,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2022-10-16 03:33:16,633 INFO L413 NwaCegarLoop]: 481 mSDtfsCounter, 3217 mSDsluCounter, 764 mSDsCounter, 0 mSdLazyCounter, 869 mSolverCounterSat, 267 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3217 SdHoareTripleChecker+Valid, 1245 SdHoareTripleChecker+Invalid, 1136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 267 IncrementalHoareTripleChecker+Valid, 869 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 03:33:16,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3217 Valid, 1245 Invalid, 1136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [267 Valid, 869 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 03:33:16,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26199 states. [2022-10-16 03:33:16,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26199 to 7843. [2022-10-16 03:33:16,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7843 states, 7836 states have (on average 1.3709800918836141) internal successors, (10743), 7842 states have internal predecessors, (10743), 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 03:33:16,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7843 states to 7843 states and 10743 transitions. [2022-10-16 03:33:16,981 INFO L78 Accepts]: Start accepts. Automaton has 7843 states and 10743 transitions. Word has length 68 [2022-10-16 03:33:16,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:33:16,981 INFO L495 AbstractCegarLoop]: Abstraction has 7843 states and 10743 transitions. [2022-10-16 03:33:16,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) 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 03:33:16,982 INFO L276 IsEmpty]: Start isEmpty. Operand 7843 states and 10743 transitions. [2022-10-16 03:33:16,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 03:33:16,989 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:33:16,990 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 03:33:16,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 03:33:16,990 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:33:16,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:33:16,991 INFO L85 PathProgramCache]: Analyzing trace with hash -2053099389, now seen corresponding path program 1 times [2022-10-16 03:33:16,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:33:16,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518771323] [2022-10-16 03:33:16,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:33:16,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:33:17,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:33:17,222 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 03:33:17,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:33:17,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518771323] [2022-10-16 03:33:17,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518771323] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:33:17,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:33:17,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 03:33:17,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526339545] [2022-10-16 03:33:17,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:33:17,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 03:33:17,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:33:17,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 03:33:17,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:33:17,226 INFO L87 Difference]: Start difference. First operand 7843 states and 10743 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) 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 03:33:17,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:33:17,959 INFO L93 Difference]: Finished difference Result 23321 states and 32283 transitions. [2022-10-16 03:33:17,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 03:33:17,960 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) 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 03:33:17,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:33:17,991 INFO L225 Difference]: With dead ends: 23321 [2022-10-16 03:33:17,991 INFO L226 Difference]: Without dead ends: 23321 [2022-10-16 03:33:17,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2022-10-16 03:33:17,992 INFO L413 NwaCegarLoop]: 450 mSDtfsCounter, 4343 mSDsluCounter, 622 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 267 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4343 SdHoareTripleChecker+Valid, 1072 SdHoareTripleChecker+Invalid, 863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 267 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 03:33:17,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4343 Valid, 1072 Invalid, 863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [267 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 03:33:18,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23321 states. [2022-10-16 03:33:18,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23321 to 7878. [2022-10-16 03:33:18,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7878 states, 7871 states have (on average 1.3706009401600814) internal successors, (10788), 7877 states have internal predecessors, (10788), 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 03:33:18,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7878 states to 7878 states and 10788 transitions. [2022-10-16 03:33:18,387 INFO L78 Accepts]: Start accepts. Automaton has 7878 states and 10788 transitions. Word has length 68 [2022-10-16 03:33:18,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:33:18,387 INFO L495 AbstractCegarLoop]: Abstraction has 7878 states and 10788 transitions. [2022-10-16 03:33:18,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) 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 03:33:18,388 INFO L276 IsEmpty]: Start isEmpty. Operand 7878 states and 10788 transitions. [2022-10-16 03:33:18,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-16 03:33:18,396 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:33:18,396 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 03:33:18,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 03:33:18,396 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:33:18,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:33:18,397 INFO L85 PathProgramCache]: Analyzing trace with hash 43383936, now seen corresponding path program 1 times [2022-10-16 03:33:18,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:33:18,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634999010] [2022-10-16 03:33:18,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:33:18,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:33:18,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:33:18,906 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 03:33:18,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:33:18,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634999010] [2022-10-16 03:33:18,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634999010] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:33:18,907 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:33:18,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 03:33:18,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638516487] [2022-10-16 03:33:18,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:33:18,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 03:33:18,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:33:18,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 03:33:18,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 03:33:18,909 INFO L87 Difference]: Start difference. First operand 7878 states and 10788 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 7 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 03:33:19,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:33:19,951 INFO L93 Difference]: Finished difference Result 16048 states and 22232 transitions. [2022-10-16 03:33:19,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 03:33:19,951 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 7 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 03:33:19,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:33:19,973 INFO L225 Difference]: With dead ends: 16048 [2022-10-16 03:33:19,973 INFO L226 Difference]: Without dead ends: 16048 [2022-10-16 03:33:19,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2022-10-16 03:33:19,974 INFO L413 NwaCegarLoop]: 515 mSDtfsCounter, 3399 mSDsluCounter, 1336 mSDsCounter, 0 mSdLazyCounter, 1305 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3399 SdHoareTripleChecker+Valid, 1851 SdHoareTripleChecker+Invalid, 1342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 03:33:19,975 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3399 Valid, 1851 Invalid, 1342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1305 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 03:33:19,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16048 states. [2022-10-16 03:33:20,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16048 to 7572. [2022-10-16 03:33:20,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7572 states, 7565 states have (on average 1.3688037012557832) internal successors, (10355), 7571 states have internal predecessors, (10355), 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 03:33:20,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7572 states to 7572 states and 10355 transitions. [2022-10-16 03:33:20,164 INFO L78 Accepts]: Start accepts. Automaton has 7572 states and 10355 transitions. Word has length 69 [2022-10-16 03:33:20,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:33:20,165 INFO L495 AbstractCegarLoop]: Abstraction has 7572 states and 10355 transitions. [2022-10-16 03:33:20,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 7 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 03:33:20,165 INFO L276 IsEmpty]: Start isEmpty. Operand 7572 states and 10355 transitions. [2022-10-16 03:33:20,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-16 03:33:20,173 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:33:20,173 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 03:33:20,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 03:33:20,174 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:33:20,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:33:20,174 INFO L85 PathProgramCache]: Analyzing trace with hash 80806030, now seen corresponding path program 1 times [2022-10-16 03:33:20,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:33:20,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829428129] [2022-10-16 03:33:20,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:33:20,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:33:20,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:33:20,703 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 03:33:20,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:33:20,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829428129] [2022-10-16 03:33:20,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829428129] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:33:20,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:33:20,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:33:20,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367003405] [2022-10-16 03:33:20,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:33:20,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:33:20,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:33:20,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:33:20,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:33:20,705 INFO L87 Difference]: Start difference. First operand 7572 states and 10355 transitions. Second operand has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 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 03:33:21,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:33:21,966 INFO L93 Difference]: Finished difference Result 19596 states and 27290 transitions. [2022-10-16 03:33:21,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:33:21,966 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 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 03:33:21,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:33:21,986 INFO L225 Difference]: With dead ends: 19596 [2022-10-16 03:33:21,987 INFO L226 Difference]: Without dead ends: 19596 [2022-10-16 03:33:21,987 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 03:33:21,988 INFO L413 NwaCegarLoop]: 543 mSDtfsCounter, 3423 mSDsluCounter, 2046 mSDsCounter, 0 mSdLazyCounter, 1559 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3423 SdHoareTripleChecker+Valid, 2589 SdHoareTripleChecker+Invalid, 1669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 1559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:33:21,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3423 Valid, 2589 Invalid, 1669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 1559 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 03:33:22,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19596 states. [2022-10-16 03:33:22,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19596 to 7437. [2022-10-16 03:33:22,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7437 states, 7430 states have (on average 1.3682368775235532) internal successors, (10166), 7436 states have internal predecessors, (10166), 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 03:33:22,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7437 states to 7437 states and 10166 transitions. [2022-10-16 03:33:22,172 INFO L78 Accepts]: Start accepts. Automaton has 7437 states and 10166 transitions. Word has length 69 [2022-10-16 03:33:22,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:33:22,173 INFO L495 AbstractCegarLoop]: Abstraction has 7437 states and 10166 transitions. [2022-10-16 03:33:22,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 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 03:33:22,173 INFO L276 IsEmpty]: Start isEmpty. Operand 7437 states and 10166 transitions. [2022-10-16 03:33:22,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-16 03:33:22,184 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:33:22,184 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 03:33:22,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 03:33:22,184 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:33:22,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:33:22,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1560265185, now seen corresponding path program 1 times [2022-10-16 03:33:22,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:33:22,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400523322] [2022-10-16 03:33:22,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:33:22,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:33:22,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:33:22,579 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 03:33:22,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:33:22,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400523322] [2022-10-16 03:33:22,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400523322] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:33:22,580 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:33:22,580 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:33:22,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878099542] [2022-10-16 03:33:22,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:33:22,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:33:22,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:33:22,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:33:22,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:33:22,582 INFO L87 Difference]: Start difference. First operand 7437 states and 10166 transitions. Second operand has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 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 03:33:23,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:33:23,699 INFO L93 Difference]: Finished difference Result 19513 states and 27160 transitions. [2022-10-16 03:33:23,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:33:23,700 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 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 03:33:23,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:33:23,721 INFO L225 Difference]: With dead ends: 19513 [2022-10-16 03:33:23,721 INFO L226 Difference]: Without dead ends: 19513 [2022-10-16 03:33:23,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:33:23,723 INFO L413 NwaCegarLoop]: 543 mSDtfsCounter, 2811 mSDsluCounter, 1617 mSDsCounter, 0 mSdLazyCounter, 1373 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2811 SdHoareTripleChecker+Valid, 2160 SdHoareTripleChecker+Invalid, 1474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 1373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 03:33:23,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2811 Valid, 2160 Invalid, 1474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 1373 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 03:33:23,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19513 states. [2022-10-16 03:33:23,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19513 to 7413. [2022-10-16 03:33:23,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7413 states, 7406 states have (on average 1.3674048069133136) internal successors, (10127), 7412 states have internal predecessors, (10127), 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 03:33:23,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7413 states to 7413 states and 10127 transitions. [2022-10-16 03:33:23,968 INFO L78 Accepts]: Start accepts. Automaton has 7413 states and 10127 transitions. Word has length 69 [2022-10-16 03:33:23,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:33:23,969 INFO L495 AbstractCegarLoop]: Abstraction has 7413 states and 10127 transitions. [2022-10-16 03:33:23,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 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 03:33:23,969 INFO L276 IsEmpty]: Start isEmpty. Operand 7413 states and 10127 transitions. [2022-10-16 03:33:23,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-16 03:33:23,977 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:33:23,977 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 03:33:23,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 03:33:23,977 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:33:23,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:33:23,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1474423363, now seen corresponding path program 1 times [2022-10-16 03:33:23,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:33:23,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744512687] [2022-10-16 03:33:23,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:33:23,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:33:24,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:33:24,362 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 03:33:24,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:33:24,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744512687] [2022-10-16 03:33:24,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744512687] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:33:24,363 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:33:24,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:33:24,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578167368] [2022-10-16 03:33:24,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:33:24,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:33:24,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:33:24,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:33:24,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:33:24,365 INFO L87 Difference]: Start difference. First operand 7413 states and 10127 transitions. Second operand has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 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 03:33:25,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:33:25,557 INFO L93 Difference]: Finished difference Result 19351 states and 26926 transitions. [2022-10-16 03:33:25,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:33:25,557 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 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 03:33:25,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:33:25,583 INFO L225 Difference]: With dead ends: 19351 [2022-10-16 03:33:25,583 INFO L226 Difference]: Without dead ends: 19351 [2022-10-16 03:33:25,584 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 03:33:25,587 INFO L413 NwaCegarLoop]: 547 mSDtfsCounter, 3584 mSDsluCounter, 1645 mSDsCounter, 0 mSdLazyCounter, 1443 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3584 SdHoareTripleChecker+Valid, 2192 SdHoareTripleChecker+Invalid, 1555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 1443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 03:33:25,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3584 Valid, 2192 Invalid, 1555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 1443 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 03:33:25,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19351 states. [2022-10-16 03:33:25,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19351 to 7404. [2022-10-16 03:33:25,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7404 states, 7397 states have (on average 1.3667703122887658) internal successors, (10110), 7403 states have internal predecessors, (10110), 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 03:33:25,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7404 states to 7404 states and 10110 transitions. [2022-10-16 03:33:25,808 INFO L78 Accepts]: Start accepts. Automaton has 7404 states and 10110 transitions. Word has length 69 [2022-10-16 03:33:25,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:33:25,809 INFO L495 AbstractCegarLoop]: Abstraction has 7404 states and 10110 transitions. [2022-10-16 03:33:25,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 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 03:33:25,809 INFO L276 IsEmpty]: Start isEmpty. Operand 7404 states and 10110 transitions. [2022-10-16 03:33:25,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 03:33:25,816 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:33:25,816 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] [2022-10-16 03:33:25,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 03:33:25,816 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:33:25,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:33:25,817 INFO L85 PathProgramCache]: Analyzing trace with hash -688548458, now seen corresponding path program 1 times [2022-10-16 03:33:25,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:33:25,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383761111] [2022-10-16 03:33:25,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:33:25,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:33:25,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:33:26,681 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 03:33:26,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:33:26,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383761111] [2022-10-16 03:33:26,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383761111] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:33:26,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:33:26,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-16 03:33:26,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209589635] [2022-10-16 03:33:26,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:33:26,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:33:26,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:33:26,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:33:26,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:33:26,683 INFO L87 Difference]: Start difference. First operand 7404 states and 10110 transitions. Second operand has 12 states, 12 states have (on average 5.833333333333333) internal successors, (70), 12 states have internal predecessors, (70), 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 03:33:28,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:33:28,291 INFO L93 Difference]: Finished difference Result 31824 states and 44756 transitions. [2022-10-16 03:33:28,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-16 03:33:28,291 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.833333333333333) internal successors, (70), 12 states have internal predecessors, (70), 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 70 [2022-10-16 03:33:28,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:33:28,326 INFO L225 Difference]: With dead ends: 31824 [2022-10-16 03:33:28,326 INFO L226 Difference]: Without dead ends: 31824 [2022-10-16 03:33:28,327 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=152, Invalid=448, Unknown=0, NotChecked=0, Total=600 [2022-10-16 03:33:28,327 INFO L413 NwaCegarLoop]: 852 mSDtfsCounter, 3809 mSDsluCounter, 4093 mSDsCounter, 0 mSdLazyCounter, 1077 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3809 SdHoareTripleChecker+Valid, 4945 SdHoareTripleChecker+Invalid, 1194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 1077 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 03:33:28,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3809 Valid, 4945 Invalid, 1194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 1077 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 03:33:28,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31824 states. [2022-10-16 03:33:28,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31824 to 7390. [2022-10-16 03:33:28,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7390 states, 7384 states have (on average 1.3657908992416035) internal successors, (10085), 7389 states have internal predecessors, (10085), 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 03:33:28,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7390 states to 7390 states and 10085 transitions. [2022-10-16 03:33:28,594 INFO L78 Accepts]: Start accepts. Automaton has 7390 states and 10085 transitions. Word has length 70 [2022-10-16 03:33:28,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:33:28,594 INFO L495 AbstractCegarLoop]: Abstraction has 7390 states and 10085 transitions. [2022-10-16 03:33:28,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.833333333333333) internal successors, (70), 12 states have internal predecessors, (70), 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 03:33:28,594 INFO L276 IsEmpty]: Start isEmpty. Operand 7390 states and 10085 transitions. [2022-10-16 03:33:28,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 03:33:28,601 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:33:28,601 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] [2022-10-16 03:33:28,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 03:33:28,602 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:33:28,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:33:28,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1142484158, now seen corresponding path program 1 times [2022-10-16 03:33:28,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:33:28,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262091801] [2022-10-16 03:33:28,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:33:28,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:33:28,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:33:29,255 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 03:33:29,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:33:29,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262091801] [2022-10-16 03:33:29,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262091801] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:33:29,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:33:29,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:33:29,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387026949] [2022-10-16 03:33:29,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:33:29,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-16 03:33:29,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:33:29,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-16 03:33:29,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-10-16 03:33:29,260 INFO L87 Difference]: Start difference. First operand 7390 states and 10085 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 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 03:33:31,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:33:31,200 INFO L93 Difference]: Finished difference Result 40214 states and 56355 transitions. [2022-10-16 03:33:31,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 03:33:31,201 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 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 70 [2022-10-16 03:33:31,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:33:31,241 INFO L225 Difference]: With dead ends: 40214 [2022-10-16 03:33:31,241 INFO L226 Difference]: Without dead ends: 40214 [2022-10-16 03:33:31,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=270, Invalid=660, Unknown=0, NotChecked=0, Total=930 [2022-10-16 03:33:31,251 INFO L413 NwaCegarLoop]: 1001 mSDtfsCounter, 6538 mSDsluCounter, 3089 mSDsCounter, 0 mSdLazyCounter, 782 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6538 SdHoareTripleChecker+Valid, 4090 SdHoareTripleChecker+Invalid, 854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 03:33:31,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6538 Valid, 4090 Invalid, 854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 782 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 03:33:31,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40214 states. [2022-10-16 03:33:31,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40214 to 7141. [2022-10-16 03:33:31,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7141 states, 7136 states have (on average 1.3628082959641257) internal successors, (9725), 7140 states have internal predecessors, (9725), 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 03:33:31,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7141 states to 7141 states and 9725 transitions. [2022-10-16 03:33:31,577 INFO L78 Accepts]: Start accepts. Automaton has 7141 states and 9725 transitions. Word has length 70 [2022-10-16 03:33:31,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:33:31,577 INFO L495 AbstractCegarLoop]: Abstraction has 7141 states and 9725 transitions. [2022-10-16 03:33:31,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 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 03:33:31,577 INFO L276 IsEmpty]: Start isEmpty. Operand 7141 states and 9725 transitions. [2022-10-16 03:33:31,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 03:33:31,584 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:33:31,584 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] [2022-10-16 03:33:31,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 03:33:31,584 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:33:31,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:33:31,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1346201798, now seen corresponding path program 1 times [2022-10-16 03:33:31,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:33:31,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580696913] [2022-10-16 03:33:31,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:33:31,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:33:31,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:33:31,689 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 03:33:31,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:33:31,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580696913] [2022-10-16 03:33:31,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580696913] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:33:31,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:33:31,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:33:31,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952922529] [2022-10-16 03:33:31,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:33:31,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:33:31,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:33:31,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:33:31,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:33:31,691 INFO L87 Difference]: Start difference. First operand 7141 states and 9725 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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 03:33:31,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:33:31,735 INFO L93 Difference]: Finished difference Result 7147 states and 9659 transitions. [2022-10-16 03:33:31,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:33:31,736 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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 70 [2022-10-16 03:33:31,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:33:31,745 INFO L225 Difference]: With dead ends: 7147 [2022-10-16 03:33:31,745 INFO L226 Difference]: Without dead ends: 7147 [2022-10-16 03:33:31,745 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 03:33:31,746 INFO L413 NwaCegarLoop]: 811 mSDtfsCounter, 427 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 427 SdHoareTripleChecker+Valid, 1356 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:33:31,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [427 Valid, 1356 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:33:31,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7147 states. [2022-10-16 03:33:31,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7147 to 7141. [2022-10-16 03:33:31,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7141 states, 7136 states have (on average 1.3531390134529149) internal successors, (9656), 7140 states have internal predecessors, (9656), 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 03:33:31,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7141 states to 7141 states and 9656 transitions. [2022-10-16 03:33:31,856 INFO L78 Accepts]: Start accepts. Automaton has 7141 states and 9656 transitions. Word has length 70 [2022-10-16 03:33:31,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:33:31,856 INFO L495 AbstractCegarLoop]: Abstraction has 7141 states and 9656 transitions. [2022-10-16 03:33:31,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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 03:33:31,857 INFO L276 IsEmpty]: Start isEmpty. Operand 7141 states and 9656 transitions. [2022-10-16 03:33:31,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 03:33:31,863 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:33:31,863 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] [2022-10-16 03:33:31,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 03:33:31,864 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:33:31,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:33:31,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1360936426, now seen corresponding path program 1 times [2022-10-16 03:33:31,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:33:31,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741021894] [2022-10-16 03:33:31,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:33:31,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:33:31,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:33:32,513 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 03:33:32,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:33:32,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741021894] [2022-10-16 03:33:32,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741021894] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:33:32,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:33:32,514 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-16 03:33:32,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378880478] [2022-10-16 03:33:32,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:33:32,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:33:32,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:33:32,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:33:32,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:33:32,515 INFO L87 Difference]: Start difference. First operand 7141 states and 9656 transitions. Second operand has 12 states, 12 states have (on average 5.833333333333333) internal successors, (70), 12 states have internal predecessors, (70), 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 03:33:33,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:33:33,885 INFO L93 Difference]: Finished difference Result 24961 states and 34518 transitions. [2022-10-16 03:33:33,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-16 03:33:33,885 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.833333333333333) internal successors, (70), 12 states have internal predecessors, (70), 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 70 [2022-10-16 03:33:33,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:33:33,918 INFO L225 Difference]: With dead ends: 24961 [2022-10-16 03:33:33,918 INFO L226 Difference]: Without dead ends: 24961 [2022-10-16 03:33:33,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=155, Invalid=445, Unknown=0, NotChecked=0, Total=600 [2022-10-16 03:33:33,920 INFO L413 NwaCegarLoop]: 924 mSDtfsCounter, 3466 mSDsluCounter, 5693 mSDsCounter, 0 mSdLazyCounter, 868 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3466 SdHoareTripleChecker+Valid, 6617 SdHoareTripleChecker+Invalid, 979 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 868 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 03:33:33,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3466 Valid, 6617 Invalid, 979 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 868 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 03:33:33,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24961 states. [2022-10-16 03:33:34,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24961 to 6856. [2022-10-16 03:33:34,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6856 states, 6853 states have (on average 1.3544433094994892) internal successors, (9282), 6855 states have internal predecessors, (9282), 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 03:33:34,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6856 states to 6856 states and 9282 transitions. [2022-10-16 03:33:34,146 INFO L78 Accepts]: Start accepts. Automaton has 6856 states and 9282 transitions. Word has length 70 [2022-10-16 03:33:34,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:33:34,147 INFO L495 AbstractCegarLoop]: Abstraction has 6856 states and 9282 transitions. [2022-10-16 03:33:34,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.833333333333333) internal successors, (70), 12 states have internal predecessors, (70), 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 03:33:34,147 INFO L276 IsEmpty]: Start isEmpty. Operand 6856 states and 9282 transitions. [2022-10-16 03:33:34,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 03:33:34,155 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:33:34,155 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:33:34,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 03:33:34,155 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:33:34,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:33:34,156 INFO L85 PathProgramCache]: Analyzing trace with hash -452169058, now seen corresponding path program 1 times [2022-10-16 03:33:34,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:33:34,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548238231] [2022-10-16 03:33:34,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:33:34,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:33:34,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:33:34,248 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 03:33:34,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:33:34,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548238231] [2022-10-16 03:33:34,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548238231] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:33:34,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:33:34,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:33:34,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056917651] [2022-10-16 03:33:34,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:33:34,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:33:34,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:33:34,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:33:34,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:33:34,251 INFO L87 Difference]: Start difference. First operand 6856 states and 9282 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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 03:33:34,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:33:34,365 INFO L93 Difference]: Finished difference Result 9715 states and 13346 transitions. [2022-10-16 03:33:34,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:33:34,366 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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 72 [2022-10-16 03:33:34,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:33:34,378 INFO L225 Difference]: With dead ends: 9715 [2022-10-16 03:33:34,379 INFO L226 Difference]: Without dead ends: 9715 [2022-10-16 03:33:34,379 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 03:33:34,380 INFO L413 NwaCegarLoop]: 385 mSDtfsCounter, 380 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:33:34,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [380 Valid, 526 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:33:34,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9715 states. [2022-10-16 03:33:34,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9715 to 9686. [2022-10-16 03:33:34,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9686 states, 9685 states have (on average 1.3751161590087764) internal successors, (13318), 9685 states have internal predecessors, (13318), 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 03:33:34,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9686 states to 9686 states and 13318 transitions. [2022-10-16 03:33:34,563 INFO L78 Accepts]: Start accepts. Automaton has 9686 states and 13318 transitions. Word has length 72 [2022-10-16 03:33:34,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:33:34,563 INFO L495 AbstractCegarLoop]: Abstraction has 9686 states and 13318 transitions. [2022-10-16 03:33:34,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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 03:33:34,564 INFO L276 IsEmpty]: Start isEmpty. Operand 9686 states and 13318 transitions. [2022-10-16 03:33:34,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 03:33:34,577 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:33:34,578 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, 1, 1, 1, 1] [2022-10-16 03:33:34,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 03:33:34,578 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:33:34,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:33:34,579 INFO L85 PathProgramCache]: Analyzing trace with hash -786160929, now seen corresponding path program 1 times [2022-10-16 03:33:34,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:33:34,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451722966] [2022-10-16 03:33:34,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:33:34,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:33:34,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:33:34,740 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 03:33:34,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:33:34,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451722966] [2022-10-16 03:33:34,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451722966] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:33:34,741 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:33:34,741 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 03:33:34,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526846441] [2022-10-16 03:33:34,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:33:34,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 03:33:34,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:33:34,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 03:33:34,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 03:33:34,743 INFO L87 Difference]: Start difference. First operand 9686 states and 13318 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 6 states have internal predecessors, (86), 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 03:33:34,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:33:34,952 INFO L93 Difference]: Finished difference Result 35929 states and 50252 transitions. [2022-10-16 03:33:34,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 03:33:34,953 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 6 states have internal predecessors, (86), 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 86 [2022-10-16 03:33:34,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:33:35,003 INFO L225 Difference]: With dead ends: 35929 [2022-10-16 03:33:35,003 INFO L226 Difference]: Without dead ends: 35929 [2022-10-16 03:33:35,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:33:35,009 INFO L413 NwaCegarLoop]: 407 mSDtfsCounter, 2043 mSDsluCounter, 811 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2043 SdHoareTripleChecker+Valid, 1218 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:33:35,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2043 Valid, 1218 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:33:35,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35929 states. [2022-10-16 03:33:35,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35929 to 17543. [2022-10-16 03:33:35,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17543 states, 17542 states have (on average 1.3789761714741762) internal successors, (24190), 17542 states have internal predecessors, (24190), 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 03:33:35,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17543 states to 17543 states and 24190 transitions. [2022-10-16 03:33:35,381 INFO L78 Accepts]: Start accepts. Automaton has 17543 states and 24190 transitions. Word has length 86 [2022-10-16 03:33:35,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:33:35,382 INFO L495 AbstractCegarLoop]: Abstraction has 17543 states and 24190 transitions. [2022-10-16 03:33:35,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 6 states have internal predecessors, (86), 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 03:33:35,382 INFO L276 IsEmpty]: Start isEmpty. Operand 17543 states and 24190 transitions. [2022-10-16 03:33:35,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 03:33:35,394 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:33:35,395 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, 1, 1, 1, 1, 1] [2022-10-16 03:33:35,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 03:33:35,395 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:33:35,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:33:35,395 INFO L85 PathProgramCache]: Analyzing trace with hash 623918678, now seen corresponding path program 1 times [2022-10-16 03:33:35,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:33:35,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830261549] [2022-10-16 03:33:35,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:33:35,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:33:35,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:33:35,594 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 03:33:35,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:33:35,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830261549] [2022-10-16 03:33:35,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830261549] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:33:35,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:33:35,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 03:33:35,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020592623] [2022-10-16 03:33:35,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:33:35,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 03:33:35,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:33:35,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 03:33:35,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 03:33:35,597 INFO L87 Difference]: Start difference. First operand 17543 states and 24190 transitions. Second operand has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 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 03:33:35,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:33:35,848 INFO L93 Difference]: Finished difference Result 18740 states and 25425 transitions. [2022-10-16 03:33:35,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 03:33:35,848 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 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 87 [2022-10-16 03:33:35,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:33:35,883 INFO L225 Difference]: With dead ends: 18740 [2022-10-16 03:33:35,883 INFO L226 Difference]: Without dead ends: 18623 [2022-10-16 03:33:35,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 03:33:35,884 INFO L413 NwaCegarLoop]: 655 mSDtfsCounter, 957 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 957 SdHoareTripleChecker+Valid, 1254 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:33:35,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [957 Valid, 1254 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 03:33:35,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18623 states. [2022-10-16 03:33:36,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18623 to 13367. [2022-10-16 03:33:36,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13367 states, 13366 states have (on average 1.3563519377525064) internal successors, (18129), 13366 states have internal predecessors, (18129), 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 03:33:36,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13367 states to 13367 states and 18129 transitions. [2022-10-16 03:33:36,242 INFO L78 Accepts]: Start accepts. Automaton has 13367 states and 18129 transitions. Word has length 87 [2022-10-16 03:33:36,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:33:36,243 INFO L495 AbstractCegarLoop]: Abstraction has 13367 states and 18129 transitions. [2022-10-16 03:33:36,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 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 03:33:36,243 INFO L276 IsEmpty]: Start isEmpty. Operand 13367 states and 18129 transitions. [2022-10-16 03:33:36,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 03:33:36,257 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:33:36,257 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, 1, 1, 1, 1, 1, 1] [2022-10-16 03:33:36,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 03:33:36,258 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:33:36,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:33:36,258 INFO L85 PathProgramCache]: Analyzing trace with hash 803271302, now seen corresponding path program 1 times [2022-10-16 03:33:36,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:33:36,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134499290] [2022-10-16 03:33:36,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:33:36,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:33:36,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:33:36,444 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 03:33:36,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:33:36,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134499290] [2022-10-16 03:33:36,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134499290] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:33:36,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:33:36,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:33:36,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477911623] [2022-10-16 03:33:36,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:33:36,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:33:36,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:33:36,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:33:36,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:33:36,447 INFO L87 Difference]: Start difference. First operand 13367 states and 18129 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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 03:33:36,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:33:36,535 INFO L93 Difference]: Finished difference Result 24333 states and 32958 transitions. [2022-10-16 03:33:36,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:33:36,536 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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 03:33:36,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:33:36,569 INFO L225 Difference]: With dead ends: 24333 [2022-10-16 03:33:36,570 INFO L226 Difference]: Without dead ends: 24333 [2022-10-16 03:33:36,570 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 03:33:36,571 INFO L413 NwaCegarLoop]: 523 mSDtfsCounter, 154 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 883 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:33:36,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 883 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:33:36,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24333 states. [2022-10-16 03:33:36,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24333 to 22915. [2022-10-16 03:33:36,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22915 states, 22914 states have (on average 1.3585144453172733) internal successors, (31129), 22914 states have internal predecessors, (31129), 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 03:33:36,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22915 states to 22915 states and 31129 transitions. [2022-10-16 03:33:36,930 INFO L78 Accepts]: Start accepts. Automaton has 22915 states and 31129 transitions. Word has length 88 [2022-10-16 03:33:36,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:33:36,931 INFO L495 AbstractCegarLoop]: Abstraction has 22915 states and 31129 transitions. [2022-10-16 03:33:36,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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 03:33:36,931 INFO L276 IsEmpty]: Start isEmpty. Operand 22915 states and 31129 transitions. [2022-10-16 03:33:36,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-16 03:33:36,946 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:33:36,946 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, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:33:36,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 03:33:36,947 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:33:36,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:33:36,947 INFO L85 PathProgramCache]: Analyzing trace with hash 195252509, now seen corresponding path program 1 times [2022-10-16 03:33:36,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:33:36,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076300159] [2022-10-16 03:33:36,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:33:36,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:33:37,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:33:37,127 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 03:33:37,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:33:37,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076300159] [2022-10-16 03:33:37,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076300159] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:33:37,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:33:37,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:33:37,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570116018] [2022-10-16 03:33:37,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:33:37,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:33:37,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:33:37,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:33:37,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:33:37,130 INFO L87 Difference]: Start difference. First operand 22915 states and 31129 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 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 03:33:37,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:33:37,274 INFO L93 Difference]: Finished difference Result 42769 states and 57638 transitions. [2022-10-16 03:33:37,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:33:37,275 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 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 03:33:37,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:33:37,346 INFO L225 Difference]: With dead ends: 42769 [2022-10-16 03:33:37,346 INFO L226 Difference]: Without dead ends: 42769 [2022-10-16 03:33:37,347 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 03:33:37,348 INFO L413 NwaCegarLoop]: 505 mSDtfsCounter, 142 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 872 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:33:37,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 872 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:33:37,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42769 states. [2022-10-16 03:33:37,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42769 to 39903. [2022-10-16 03:33:37,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39903 states, 39902 states have (on average 1.3475264397774547) internal successors, (53769), 39902 states have internal predecessors, (53769), 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 03:33:37,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39903 states to 39903 states and 53769 transitions. [2022-10-16 03:33:37,899 INFO L78 Accepts]: Start accepts. Automaton has 39903 states and 53769 transitions. Word has length 89 [2022-10-16 03:33:37,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:33:37,899 INFO L495 AbstractCegarLoop]: Abstraction has 39903 states and 53769 transitions. [2022-10-16 03:33:37,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 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 03:33:37,899 INFO L276 IsEmpty]: Start isEmpty. Operand 39903 states and 53769 transitions. [2022-10-16 03:33:37,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 03:33:37,907 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:33:37,907 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:33:37,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 03:33:37,908 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:33:37,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:33:37,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1615072029, now seen corresponding path program 1 times [2022-10-16 03:33:37,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:33:37,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569177597] [2022-10-16 03:33:37,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:33:37,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:33:37,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:33:38,004 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 03:33:38,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:33:38,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569177597] [2022-10-16 03:33:38,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569177597] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:33:38,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:33:38,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:33:38,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832140431] [2022-10-16 03:33:38,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:33:38,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:33:38,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:33:38,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:33:38,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:33:38,007 INFO L87 Difference]: Start difference. First operand 39903 states and 53769 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 03:33:38,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:33:38,135 INFO L93 Difference]: Finished difference Result 32513 states and 43580 transitions. [2022-10-16 03:33:38,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:33:38,136 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 03:33:38,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:33:38,198 INFO L225 Difference]: With dead ends: 32513 [2022-10-16 03:33:38,198 INFO L226 Difference]: Without dead ends: 32513 [2022-10-16 03:33:38,199 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 03:33:38,199 INFO L413 NwaCegarLoop]: 531 mSDtfsCounter, 241 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 917 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:33:38,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 917 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:33:38,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32513 states. [2022-10-16 03:33:38,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32513 to 32511. [2022-10-16 03:33:38,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32511 states, 32510 states have (on average 1.340479852353122) internal successors, (43579), 32510 states have internal predecessors, (43579), 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 03:33:38,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32511 states to 32511 states and 43579 transitions. [2022-10-16 03:33:38,623 INFO L78 Accepts]: Start accepts. Automaton has 32511 states and 43579 transitions. Word has length 90 [2022-10-16 03:33:38,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:33:38,623 INFO L495 AbstractCegarLoop]: Abstraction has 32511 states and 43579 transitions. [2022-10-16 03:33:38,623 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 03:33:38,623 INFO L276 IsEmpty]: Start isEmpty. Operand 32511 states and 43579 transitions. [2022-10-16 03:33:38,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 03:33:38,631 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:33:38,631 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:33:38,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 03:33:38,632 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:33:38,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:33:38,632 INFO L85 PathProgramCache]: Analyzing trace with hash -992280540, now seen corresponding path program 1 times [2022-10-16 03:33:38,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:33:38,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109255605] [2022-10-16 03:33:38,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:33:38,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:33:38,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:33:38,905 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 03:33:38,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:33:38,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109255605] [2022-10-16 03:33:38,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109255605] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:33:38,906 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:33:38,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:33:38,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194196704] [2022-10-16 03:33:38,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:33:38,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:33:38,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:33:38,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:33:38,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:33:38,909 INFO L87 Difference]: Start difference. First operand 32511 states and 43579 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 03:33:39,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:33:39,172 INFO L93 Difference]: Finished difference Result 61209 states and 81084 transitions. [2022-10-16 03:33:39,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:33:39,173 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 03:33:39,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:33:39,265 INFO L225 Difference]: With dead ends: 61209 [2022-10-16 03:33:39,265 INFO L226 Difference]: Without dead ends: 61209 [2022-10-16 03:33:39,265 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 03:33:39,266 INFO L413 NwaCegarLoop]: 487 mSDtfsCounter, 129 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 854 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:33:39,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 854 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:33:39,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61209 states. [2022-10-16 03:33:39,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61209 to 56775. [2022-10-16 03:33:39,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56775 states, 56774 states have (on average 1.322770986719273) internal successors, (75099), 56774 states have internal predecessors, (75099), 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 03:33:39,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56775 states to 56775 states and 75099 transitions. [2022-10-16 03:33:39,949 INFO L78 Accepts]: Start accepts. Automaton has 56775 states and 75099 transitions. Word has length 90 [2022-10-16 03:33:39,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:33:39,949 INFO L495 AbstractCegarLoop]: Abstraction has 56775 states and 75099 transitions. [2022-10-16 03:33:39,950 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 03:33:39,950 INFO L276 IsEmpty]: Start isEmpty. Operand 56775 states and 75099 transitions. [2022-10-16 03:33:39,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 03:33:39,956 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:33:39,956 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:33:39,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 03:33:39,956 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:33:39,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:33:39,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1918040975, now seen corresponding path program 1 times [2022-10-16 03:33:39,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:33:39,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629417781] [2022-10-16 03:33:39,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:33:39,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:33:39,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:33:40,058 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 03:33:40,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:33:40,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629417781] [2022-10-16 03:33:40,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629417781] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:33:40,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:33:40,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:33:40,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146539509] [2022-10-16 03:33:40,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:33:40,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:33:40,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:33:40,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:33:40,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:33:40,060 INFO L87 Difference]: Start difference. First operand 56775 states and 75099 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 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 03:33:40,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:33:40,694 INFO L93 Difference]: Finished difference Result 46418 states and 61428 transitions. [2022-10-16 03:33:40,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:33:40,695 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 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 91 [2022-10-16 03:33:40,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:33:40,761 INFO L225 Difference]: With dead ends: 46418 [2022-10-16 03:33:40,761 INFO L226 Difference]: Without dead ends: 46418 [2022-10-16 03:33:40,762 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 03:33:40,762 INFO L413 NwaCegarLoop]: 559 mSDtfsCounter, 198 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 885 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:33:40,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 885 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:33:40,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46418 states. [2022-10-16 03:33:41,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46418 to 46416. [2022-10-16 03:33:41,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46416 states, 46415 states have (on average 1.3234299256705806) internal successors, (61427), 46415 states have internal predecessors, (61427), 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 03:33:41,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46416 states to 46416 states and 61427 transitions. [2022-10-16 03:33:41,506 INFO L78 Accepts]: Start accepts. Automaton has 46416 states and 61427 transitions. Word has length 91 [2022-10-16 03:33:41,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:33:41,506 INFO L495 AbstractCegarLoop]: Abstraction has 46416 states and 61427 transitions. [2022-10-16 03:33:41,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 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 03:33:41,506 INFO L276 IsEmpty]: Start isEmpty. Operand 46416 states and 61427 transitions. [2022-10-16 03:33:41,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 03:33:41,514 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:33:41,514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:33:41,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 03:33:41,515 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:33:41,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:33:41,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1248064469, now seen corresponding path program 1 times [2022-10-16 03:33:41,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:33:41,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682002078] [2022-10-16 03:33:41,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:33:41,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:33:41,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:33:41,876 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 03:33:41,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:33:41,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682002078] [2022-10-16 03:33:41,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682002078] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:33:41,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:33:41,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:33:41,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014599369] [2022-10-16 03:33:41,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:33:41,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:33:41,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:33:41,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:33:41,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:33:41,879 INFO L87 Difference]: Start difference. First operand 46416 states and 61427 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 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 03:33:42,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:33:42,382 INFO L93 Difference]: Finished difference Result 87602 states and 114420 transitions. [2022-10-16 03:33:42,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:33:42,383 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 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 92 [2022-10-16 03:33:42,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:33:42,517 INFO L225 Difference]: With dead ends: 87602 [2022-10-16 03:33:42,517 INFO L226 Difference]: Without dead ends: 87602 [2022-10-16 03:33:42,517 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 03:33:42,519 INFO L413 NwaCegarLoop]: 469 mSDtfsCounter, 107 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 834 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:33:42,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 834 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:33:42,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87602 states. [2022-10-16 03:33:43,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87602 to 81968. [2022-10-16 03:33:43,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81968 states, 81967 states have (on average 1.310808008100821) internal successors, (107443), 81967 states have internal predecessors, (107443), 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 03:33:43,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81968 states to 81968 states and 107443 transitions. [2022-10-16 03:33:43,932 INFO L78 Accepts]: Start accepts. Automaton has 81968 states and 107443 transitions. Word has length 92 [2022-10-16 03:33:43,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:33:43,933 INFO L495 AbstractCegarLoop]: Abstraction has 81968 states and 107443 transitions. [2022-10-16 03:33:43,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 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 03:33:43,933 INFO L276 IsEmpty]: Start isEmpty. Operand 81968 states and 107443 transitions. [2022-10-16 03:33:43,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-16 03:33:43,941 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:33:43,942 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:33:43,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 03:33:43,943 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:33:43,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:33:43,947 INFO L85 PathProgramCache]: Analyzing trace with hash -290315974, now seen corresponding path program 1 times [2022-10-16 03:33:43,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:33:43,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613607496] [2022-10-16 03:33:43,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:33:43,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:33:44,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:33:44,457 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 03:33:44,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:33:44,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613607496] [2022-10-16 03:33:44,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613607496] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:33:44,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:33:44,458 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 03:33:44,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444335718] [2022-10-16 03:33:44,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:33:44,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 03:33:44,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:33:44,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 03:33:44,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 03:33:44,460 INFO L87 Difference]: Start difference. First operand 81968 states and 107443 transitions. Second operand has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 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 03:33:45,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:33:45,134 INFO L93 Difference]: Finished difference Result 175114 states and 224645 transitions. [2022-10-16 03:33:45,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 03:33:45,135 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 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 03:33:45,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:33:45,357 INFO L225 Difference]: With dead ends: 175114 [2022-10-16 03:33:45,358 INFO L226 Difference]: Without dead ends: 175114 [2022-10-16 03:33:45,358 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 03:33:45,359 INFO L413 NwaCegarLoop]: 504 mSDtfsCounter, 451 mSDsluCounter, 1628 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 2132 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:33:45,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 2132 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:33:45,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175114 states. [2022-10-16 03:33:46,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175114 to 88208. [2022-10-16 03:33:47,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88208 states, 88207 states have (on average 1.2888206151439228) internal successors, (113683), 88207 states have internal predecessors, (113683), 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 03:33:47,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88208 states to 88208 states and 113683 transitions. [2022-10-16 03:33:47,207 INFO L78 Accepts]: Start accepts. Automaton has 88208 states and 113683 transitions. Word has length 94 [2022-10-16 03:33:47,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:33:47,208 INFO L495 AbstractCegarLoop]: Abstraction has 88208 states and 113683 transitions. [2022-10-16 03:33:47,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 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 03:33:47,208 INFO L276 IsEmpty]: Start isEmpty. Operand 88208 states and 113683 transitions. [2022-10-16 03:33:47,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 03:33:47,215 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:33:47,215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:33:47,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 03:33:47,215 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:33:47,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:33:47,216 INFO L85 PathProgramCache]: Analyzing trace with hash 95243205, now seen corresponding path program 1 times [2022-10-16 03:33:47,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:33:47,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167102822] [2022-10-16 03:33:47,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:33:47,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:33:47,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:33:47,306 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 03:33:47,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:33:47,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167102822] [2022-10-16 03:33:47,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167102822] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:33:47,308 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:33:47,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:33:47,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398750749] [2022-10-16 03:33:47,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:33:47,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:33:47,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:33:47,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:33:47,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:33:47,310 INFO L87 Difference]: Start difference. First operand 88208 states and 113683 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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 03:33:48,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:33:48,090 INFO L93 Difference]: Finished difference Result 135722 states and 172268 transitions. [2022-10-16 03:33:48,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:33:48,091 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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 95 [2022-10-16 03:33:48,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:33:48,254 INFO L225 Difference]: With dead ends: 135722 [2022-10-16 03:33:48,255 INFO L226 Difference]: Without dead ends: 135722 [2022-10-16 03:33:48,255 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 03:33:48,256 INFO L413 NwaCegarLoop]: 431 mSDtfsCounter, 325 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:33:48,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 610 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:33:48,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135722 states. [2022-10-16 03:33:50,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135722 to 135720. [2022-10-16 03:33:50,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135720 states, 135719 states have (on average 1.2692916982883753) internal successors, (172267), 135719 states have internal predecessors, (172267), 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 03:33:50,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135720 states to 135720 states and 172267 transitions. [2022-10-16 03:33:50,358 INFO L78 Accepts]: Start accepts. Automaton has 135720 states and 172267 transitions. Word has length 95 [2022-10-16 03:33:50,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:33:50,359 INFO L495 AbstractCegarLoop]: Abstraction has 135720 states and 172267 transitions. [2022-10-16 03:33:50,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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 03:33:50,359 INFO L276 IsEmpty]: Start isEmpty. Operand 135720 states and 172267 transitions. [2022-10-16 03:33:50,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 03:33:50,366 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:33:50,366 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:33:50,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-16 03:33:50,366 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:33:50,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:33:50,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1137070122, now seen corresponding path program 1 times [2022-10-16 03:33:50,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:33:50,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820637342] [2022-10-16 03:33:50,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:33:50,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:33:50,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:33:50,978 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 03:33:50,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:33:50,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820637342] [2022-10-16 03:33:50,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820637342] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:33:50,978 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:33:50,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 03:33:50,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153653815] [2022-10-16 03:33:50,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:33:50,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 03:33:50,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:33:50,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 03:33:50,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 03:33:50,980 INFO L87 Difference]: Start difference. First operand 135720 states and 172267 transitions. Second operand has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 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 03:33:51,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:33:51,501 INFO L93 Difference]: Finished difference Result 181756 states and 230671 transitions. [2022-10-16 03:33:51,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 03:33:51,502 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 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 03:33:51,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:33:52,092 INFO L225 Difference]: With dead ends: 181756 [2022-10-16 03:33:52,092 INFO L226 Difference]: Without dead ends: 181756 [2022-10-16 03:33:52,093 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:33:52,094 INFO L413 NwaCegarLoop]: 513 mSDtfsCounter, 1581 mSDsluCounter, 816 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1581 SdHoareTripleChecker+Valid, 1329 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:33:52,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1581 Valid, 1329 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:33:52,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181756 states. [2022-10-16 03:33:53,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181756 to 155876. [2022-10-16 03:33:53,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155876 states, 155875 states have (on average 1.2671884522854853) internal successors, (197523), 155875 states have internal predecessors, (197523), 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 03:33:54,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155876 states to 155876 states and 197523 transitions. [2022-10-16 03:33:54,551 INFO L78 Accepts]: Start accepts. Automaton has 155876 states and 197523 transitions. Word has length 97 [2022-10-16 03:33:54,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:33:54,551 INFO L495 AbstractCegarLoop]: Abstraction has 155876 states and 197523 transitions. [2022-10-16 03:33:54,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 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 03:33:54,551 INFO L276 IsEmpty]: Start isEmpty. Operand 155876 states and 197523 transitions. [2022-10-16 03:33:54,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 03:33:54,556 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:33:54,556 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:33:54,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-16 03:33:54,557 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:33:54,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:33:54,557 INFO L85 PathProgramCache]: Analyzing trace with hash -66918083, now seen corresponding path program 1 times [2022-10-16 03:33:54,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:33:54,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514778372] [2022-10-16 03:33:54,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:33:54,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:33:54,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:33:54,633 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 03:33:54,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:33:54,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514778372] [2022-10-16 03:33:54,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514778372] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:33:54,634 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:33:54,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:33:54,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513036863] [2022-10-16 03:33:54,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:33:54,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:33:54,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:33:54,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:33:54,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:33:54,636 INFO L87 Difference]: Start difference. First operand 155876 states and 197523 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 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 03:33:55,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:33:55,697 INFO L93 Difference]: Finished difference Result 220024 states and 278386 transitions. [2022-10-16 03:33:55,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:33:55,698 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 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 03:33:55,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:33:55,969 INFO L225 Difference]: With dead ends: 220024 [2022-10-16 03:33:55,975 INFO L226 Difference]: Without dead ends: 220024 [2022-10-16 03:33:55,975 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 03:33:55,979 INFO L413 NwaCegarLoop]: 401 mSDtfsCounter, 375 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:33:55,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 567 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:33:56,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220024 states. [2022-10-16 03:33:58,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220024 to 153484. [2022-10-16 03:33:58,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153484 states, 153483 states have (on average 1.264198640891825) internal successors, (194033), 153483 states have internal predecessors, (194033), 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 03:33:58,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153484 states to 153484 states and 194033 transitions. [2022-10-16 03:33:58,960 INFO L78 Accepts]: Start accepts. Automaton has 153484 states and 194033 transitions. Word has length 98 [2022-10-16 03:33:58,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:33:58,962 INFO L495 AbstractCegarLoop]: Abstraction has 153484 states and 194033 transitions. [2022-10-16 03:33:58,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 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 03:33:58,962 INFO L276 IsEmpty]: Start isEmpty. Operand 153484 states and 194033 transitions. [2022-10-16 03:33:58,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 03:33:58,968 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:33:58,969 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:33:58,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-16 03:33:58,969 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:33:58,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:33:58,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1368723189, now seen corresponding path program 1 times [2022-10-16 03:33:58,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:33:58,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935709948] [2022-10-16 03:33:58,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:33:58,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:33:59,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:33:59,196 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 03:33:59,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:33:59,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935709948] [2022-10-16 03:33:59,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935709948] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:33:59,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:33:59,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 03:33:59,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949370321] [2022-10-16 03:33:59,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:33:59,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 03:33:59,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:33:59,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 03:33:59,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 03:33:59,198 INFO L87 Difference]: Start difference. First operand 153484 states and 194033 transitions. Second operand has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 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 03:33:59,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:33:59,768 INFO L93 Difference]: Finished difference Result 188340 states and 238005 transitions. [2022-10-16 03:33:59,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 03:33:59,768 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 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 03:33:59,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:34:00,373 INFO L225 Difference]: With dead ends: 188340 [2022-10-16 03:34:00,374 INFO L226 Difference]: Without dead ends: 188340 [2022-10-16 03:34:00,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:34:00,388 INFO L413 NwaCegarLoop]: 504 mSDtfsCounter, 1574 mSDsluCounter, 798 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1574 SdHoareTripleChecker+Valid, 1302 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:34:00,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1574 Valid, 1302 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:34:00,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188340 states. [2022-10-16 03:34:02,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188340 to 173160. [2022-10-16 03:34:02,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173160 states, 173159 states have (on average 1.2622445267066684) internal successors, (218569), 173159 states have internal predecessors, (218569), 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 03:34:02,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173160 states to 173160 states and 218569 transitions. [2022-10-16 03:34:02,956 INFO L78 Accepts]: Start accepts. Automaton has 173160 states and 218569 transitions. Word has length 99 [2022-10-16 03:34:02,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:34:02,956 INFO L495 AbstractCegarLoop]: Abstraction has 173160 states and 218569 transitions. [2022-10-16 03:34:02,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 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 03:34:02,957 INFO L276 IsEmpty]: Start isEmpty. Operand 173160 states and 218569 transitions. [2022-10-16 03:34:02,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-10-16 03:34:02,977 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:34:02,978 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:34:02,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-16 03:34:02,978 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:34:02,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:34:02,979 INFO L85 PathProgramCache]: Analyzing trace with hash 279266524, now seen corresponding path program 1 times [2022-10-16 03:34:02,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:34:02,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637667959] [2022-10-16 03:34:02,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:34:02,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:34:03,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:34:03,383 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-16 03:34:03,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:34:03,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637667959] [2022-10-16 03:34:03,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637667959] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:34:03,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:34:03,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:34:03,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989475597] [2022-10-16 03:34:03,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:34:03,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:34:03,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:34:03,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:34:03,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:34:03,385 INFO L87 Difference]: Start difference. First operand 173160 states and 218569 transitions. Second operand has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 8 states have internal predecessors, (111), 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 03:34:05,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:34:05,892 INFO L93 Difference]: Finished difference Result 350596 states and 441252 transitions. [2022-10-16 03:34:05,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:34:05,893 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 8 states have internal predecessors, (111), 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 121 [2022-10-16 03:34:05,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:34:06,419 INFO L225 Difference]: With dead ends: 350596 [2022-10-16 03:34:06,419 INFO L226 Difference]: Without dead ends: 350596 [2022-10-16 03:34:06,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-10-16 03:34:06,420 INFO L413 NwaCegarLoop]: 348 mSDtfsCounter, 2580 mSDsluCounter, 1022 mSDsCounter, 0 mSdLazyCounter, 875 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2580 SdHoareTripleChecker+Valid, 1370 SdHoareTripleChecker+Invalid, 961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:34:06,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2580 Valid, 1370 Invalid, 961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 875 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 03:34:06,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350596 states. [2022-10-16 03:34:09,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350596 to 173096. [2022-10-16 03:34:09,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173096 states, 173095 states have (on average 1.2622317224645425) internal successors, (218486), 173095 states have internal predecessors, (218486), 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 03:34:10,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173096 states to 173096 states and 218486 transitions. [2022-10-16 03:34:10,420 INFO L78 Accepts]: Start accepts. Automaton has 173096 states and 218486 transitions. Word has length 121 [2022-10-16 03:34:10,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:34:10,420 INFO L495 AbstractCegarLoop]: Abstraction has 173096 states and 218486 transitions. [2022-10-16 03:34:10,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 8 states have internal predecessors, (111), 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 03:34:10,424 INFO L276 IsEmpty]: Start isEmpty. Operand 173096 states and 218486 transitions. [2022-10-16 03:34:10,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-10-16 03:34:10,461 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:34:10,461 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:34:10,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-10-16 03:34:10,462 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:34:10,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:34:10,464 INFO L85 PathProgramCache]: Analyzing trace with hash -30963017, now seen corresponding path program 1 times [2022-10-16 03:34:10,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:34:10,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024395363] [2022-10-16 03:34:10,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:34:10,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:34:10,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:34:10,878 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-16 03:34:10,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:34:10,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024395363] [2022-10-16 03:34:10,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024395363] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 03:34:10,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [23800259] [2022-10-16 03:34:10,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:34:10,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 03:34:10,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 03:34:10,882 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 03:34:10,889 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 03:34:11,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:34:11,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 891 conjuncts, 18 conjunts are in the unsatisfiable core [2022-10-16 03:34:11,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 03:34:11,990 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:34:11,990 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 03:34:13,431 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:34:13,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [23800259] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 03:34:13,432 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 03:34:13,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 21 [2022-10-16 03:34:13,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557620858] [2022-10-16 03:34:13,432 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 03:34:13,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-10-16 03:34:13,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:34:13,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-10-16 03:34:13,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=354, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:34:13,434 INFO L87 Difference]: Start difference. First operand 173096 states and 218486 transitions. Second operand has 21 states, 21 states have (on average 16.476190476190474) internal successors, (346), 21 states have internal predecessors, (346), 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 03:34:23,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:34:23,960 INFO L93 Difference]: Finished difference Result 1055578 states and 1307185 transitions. [2022-10-16 03:34:23,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2022-10-16 03:34:23,961 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 16.476190476190474) internal successors, (346), 21 states have internal predecessors, (346), 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 121 [2022-10-16 03:34:23,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:34:26,855 INFO L225 Difference]: With dead ends: 1055578 [2022-10-16 03:34:26,855 INFO L226 Difference]: Without dead ends: 1055578 [2022-10-16 03:34:26,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6519 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=3312, Invalid=14244, Unknown=0, NotChecked=0, Total=17556 [2022-10-16 03:34:26,866 INFO L413 NwaCegarLoop]: 635 mSDtfsCounter, 8310 mSDsluCounter, 4460 mSDsCounter, 0 mSdLazyCounter, 4058 mSolverCounterSat, 247 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8310 SdHoareTripleChecker+Valid, 5095 SdHoareTripleChecker+Invalid, 4305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 247 IncrementalHoareTripleChecker+Valid, 4058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:34:26,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8310 Valid, 5095 Invalid, 4305 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [247 Valid, 4058 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-10-16 03:34:27,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055578 states. [2022-10-16 03:34:37,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055578 to 440119. [2022-10-16 03:34:38,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440119 states, 440118 states have (on average 1.2664376371791202) internal successors, (557382), 440118 states have internal predecessors, (557382), 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 03:34:40,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440119 states to 440119 states and 557382 transitions. [2022-10-16 03:34:40,532 INFO L78 Accepts]: Start accepts. Automaton has 440119 states and 557382 transitions. Word has length 121 [2022-10-16 03:34:40,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:34:40,533 INFO L495 AbstractCegarLoop]: Abstraction has 440119 states and 557382 transitions. [2022-10-16 03:34:40,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 16.476190476190474) internal successors, (346), 21 states have internal predecessors, (346), 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 03:34:40,533 INFO L276 IsEmpty]: Start isEmpty. Operand 440119 states and 557382 transitions. [2022-10-16 03:34:40,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-10-16 03:34:40,565 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:34:40,565 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:34:40,590 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 03:34:40,766 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 03:34:40,767 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:34:40,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:34:40,768 INFO L85 PathProgramCache]: Analyzing trace with hash 460811280, now seen corresponding path program 1 times [2022-10-16 03:34:40,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:34:40,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845199913] [2022-10-16 03:34:40,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:34:40,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:34:40,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:34:41,789 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:34:41,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:34:41,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845199913] [2022-10-16 03:34:41,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845199913] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 03:34:41,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1137798123] [2022-10-16 03:34:41,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:34:41,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 03:34:41,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 03:34:41,792 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 03:34:41,797 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 03:34:42,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:34:42,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 894 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 03:34:42,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 03:34:42,423 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:34:42,423 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 03:34:42,610 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:34:42,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1137798123] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 03:34:42,610 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 03:34:42,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2022-10-16 03:34:42,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405155512] [2022-10-16 03:34:42,611 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 03:34:42,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 03:34:42,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:34:42,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 03:34:42,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2022-10-16 03:34:42,612 INFO L87 Difference]: Start difference. First operand 440119 states and 557382 transitions. Second operand has 14 states, 14 states have (on average 23.0) internal successors, (322), 14 states have internal predecessors, (322), 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 03:34:45,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:34:45,181 INFO L93 Difference]: Finished difference Result 523547 states and 647917 transitions. [2022-10-16 03:34:45,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 03:34:45,182 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 23.0) internal successors, (322), 14 states have internal predecessors, (322), 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 122 [2022-10-16 03:34:45,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:34:46,006 INFO L225 Difference]: With dead ends: 523547 [2022-10-16 03:34:46,006 INFO L226 Difference]: Without dead ends: 523547 [2022-10-16 03:34:46,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 236 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=113, Invalid=307, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:34:46,007 INFO L413 NwaCegarLoop]: 263 mSDtfsCounter, 4239 mSDsluCounter, 936 mSDsCounter, 0 mSdLazyCounter, 658 mSolverCounterSat, 233 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4239 SdHoareTripleChecker+Valid, 1199 SdHoareTripleChecker+Invalid, 891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 233 IncrementalHoareTripleChecker+Valid, 658 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:34:46,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4239 Valid, 1199 Invalid, 891 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [233 Valid, 658 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 03:34:46,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523547 states. [2022-10-16 03:34:52,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523547 to 431420. [2022-10-16 03:34:53,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431420 states, 431419 states have (on average 1.2502323727049574) internal successors, (539374), 431419 states have internal predecessors, (539374), 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 03:34:55,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431420 states to 431420 states and 539374 transitions. [2022-10-16 03:34:55,929 INFO L78 Accepts]: Start accepts. Automaton has 431420 states and 539374 transitions. Word has length 122 [2022-10-16 03:34:55,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:34:55,929 INFO L495 AbstractCegarLoop]: Abstraction has 431420 states and 539374 transitions. [2022-10-16 03:34:55,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 23.0) internal successors, (322), 14 states have internal predecessors, (322), 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 03:34:55,929 INFO L276 IsEmpty]: Start isEmpty. Operand 431420 states and 539374 transitions. [2022-10-16 03:34:55,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-16 03:34:55,973 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:34:55,974 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:34:55,999 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 03:34:56,179 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,SelfDestructingSolverStorable37 [2022-10-16 03:34:56,181 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:34:56,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:34:56,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1364097779, now seen corresponding path program 1 times [2022-10-16 03:34:56,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:34:56,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640742942] [2022-10-16 03:34:56,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:34:56,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:34:56,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:34:56,318 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:34:56,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:34:56,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640742942] [2022-10-16 03:34:56,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640742942] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 03:34:56,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [725827013] [2022-10-16 03:34:56,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:34:56,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 03:34:56,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 03:34:56,320 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 03:34:56,343 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 03:34:56,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:34:56,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 897 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 03:34:56,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 03:34:56,946 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:34:56,946 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 03:34:57,137 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:34:57,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [725827013] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 03:34:57,137 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 03:34:57,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2022-10-16 03:34:57,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460255397] [2022-10-16 03:34:57,138 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 03:34:57,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 03:34:57,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:34:57,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 03:34:57,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2022-10-16 03:34:57,140 INFO L87 Difference]: Start difference. First operand 431420 states and 539374 transitions. Second operand has 14 states, 14 states have (on average 23.5) internal successors, (329), 14 states have internal predecessors, (329), 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 03:35:01,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:35:01,714 INFO L93 Difference]: Finished difference Result 831571 states and 1021874 transitions. [2022-10-16 03:35:01,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 03:35:01,714 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 23.5) internal successors, (329), 14 states have internal predecessors, (329), 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 123 [2022-10-16 03:35:01,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:35:03,889 INFO L225 Difference]: With dead ends: 831571 [2022-10-16 03:35:03,889 INFO L226 Difference]: Without dead ends: 831571 [2022-10-16 03:35:03,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 238 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=113, Invalid=307, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:35:03,890 INFO L413 NwaCegarLoop]: 275 mSDtfsCounter, 5693 mSDsluCounter, 1112 mSDsCounter, 0 mSdLazyCounter, 813 mSolverCounterSat, 295 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5693 SdHoareTripleChecker+Valid, 1387 SdHoareTripleChecker+Invalid, 1108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 295 IncrementalHoareTripleChecker+Valid, 813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 03:35:03,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5693 Valid, 1387 Invalid, 1108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [295 Valid, 813 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 03:35:04,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831571 states. [2022-10-16 03:35:14,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831571 to 495788. [2022-10-16 03:35:16,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 495788 states, 495787 states have (on average 1.236781117697721) internal successors, (613180), 495787 states have internal predecessors, (613180), 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 03:35:19,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495788 states to 495788 states and 613180 transitions. [2022-10-16 03:35:19,143 INFO L78 Accepts]: Start accepts. Automaton has 495788 states and 613180 transitions. Word has length 123 [2022-10-16 03:35:19,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:35:19,143 INFO L495 AbstractCegarLoop]: Abstraction has 495788 states and 613180 transitions. [2022-10-16 03:35:19,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 23.5) internal successors, (329), 14 states have internal predecessors, (329), 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 03:35:19,144 INFO L276 IsEmpty]: Start isEmpty. Operand 495788 states and 613180 transitions. [2022-10-16 03:35:20,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-10-16 03:35:20,025 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:35:20,026 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:35:20,049 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-10-16 03:35:20,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 03:35:20,227 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:35:20,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:35:20,228 INFO L85 PathProgramCache]: Analyzing trace with hash -633540890, now seen corresponding path program 1 times [2022-10-16 03:35:20,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:35:20,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843200337] [2022-10-16 03:35:20,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:35:20,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:35:20,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:35:20,332 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-16 03:35:20,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:35:20,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843200337] [2022-10-16 03:35:20,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843200337] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:35:20,332 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:35:20,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:35:20,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167081510] [2022-10-16 03:35:20,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:35:20,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:35:20,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:35:20,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:35:20,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:35:20,334 INFO L87 Difference]: Start difference. First operand 495788 states and 613180 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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 03:35:22,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:35:22,898 INFO L93 Difference]: Finished difference Result 587264 states and 723345 transitions. [2022-10-16 03:35:22,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:35:22,899 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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 126 [2022-10-16 03:35:22,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:35:23,946 INFO L225 Difference]: With dead ends: 587264 [2022-10-16 03:35:23,946 INFO L226 Difference]: Without dead ends: 587264 [2022-10-16 03:35:23,946 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 03:35:23,947 INFO L413 NwaCegarLoop]: 410 mSDtfsCounter, 333 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:35:23,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 576 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:35:24,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587264 states. [2022-10-16 03:35:30,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587264 to 438668. [2022-10-16 03:35:30,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438668 states, 438667 states have (on average 1.2336236826567761) internal successors, (541150), 438667 states have internal predecessors, (541150), 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 03:35:32,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438668 states to 438668 states and 541150 transitions. [2022-10-16 03:35:32,813 INFO L78 Accepts]: Start accepts. Automaton has 438668 states and 541150 transitions. Word has length 126 [2022-10-16 03:35:32,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:35:32,814 INFO L495 AbstractCegarLoop]: Abstraction has 438668 states and 541150 transitions. [2022-10-16 03:35:32,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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 03:35:32,814 INFO L276 IsEmpty]: Start isEmpty. Operand 438668 states and 541150 transitions. [2022-10-16 03:35:32,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-10-16 03:35:32,853 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:35:32,854 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:35:32,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-10-16 03:35:32,854 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:35:32,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:35:32,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1786700580, now seen corresponding path program 1 times [2022-10-16 03:35:32,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:35:32,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343039481] [2022-10-16 03:35:32,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:35:32,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:35:32,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:35:34,106 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-16 03:35:34,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:35:34,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343039481] [2022-10-16 03:35:34,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343039481] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:35:34,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:35:34,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 03:35:34,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681272621] [2022-10-16 03:35:34,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:35:34,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 03:35:34,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:35:34,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 03:35:34,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 03:35:34,109 INFO L87 Difference]: Start difference. First operand 438668 states and 541150 transitions. Second operand has 6 states, 6 states have (on average 20.666666666666668) internal successors, (124), 6 states have internal predecessors, (124), 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 03:35:36,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:35:36,464 INFO L93 Difference]: Finished difference Result 505506 states and 623429 transitions. [2022-10-16 03:35:36,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 03:35:36,465 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.666666666666668) internal successors, (124), 6 states have internal predecessors, (124), 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 126 [2022-10-16 03:35:36,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:35:37,452 INFO L225 Difference]: With dead ends: 505506 [2022-10-16 03:35:37,453 INFO L226 Difference]: Without dead ends: 505506 [2022-10-16 03:35:37,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:35:37,454 INFO L413 NwaCegarLoop]: 500 mSDtfsCounter, 1443 mSDsluCounter, 808 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1443 SdHoareTripleChecker+Valid, 1308 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:35:37,454 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1443 Valid, 1308 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:35:37,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505506 states. [2022-10-16 03:35:44,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505506 to 475474. [2022-10-16 03:35:44,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 475474 states, 475473 states have (on average 1.2319059126385725) internal successors, (585738), 475473 states have internal predecessors, (585738), 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)