/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_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 17:29:33,030 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 17:29:33,033 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 17:29:33,091 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 17:29:33,092 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 17:29:33,096 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 17:29:33,101 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 17:29:33,110 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 17:29:33,112 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 17:29:33,114 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 17:29:33,115 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 17:29:33,117 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 17:29:33,117 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 17:29:33,119 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 17:29:33,120 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 17:29:33,139 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 17:29:33,141 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 17:29:33,145 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 17:29:33,148 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 17:29:33,156 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 17:29:33,164 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 17:29:33,169 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 17:29:33,172 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 17:29:33,174 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 17:29:33,183 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 17:29:33,183 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 17:29:33,189 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 17:29:33,190 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 17:29:33,192 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 17:29:33,193 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 17:29:33,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 17:29:33,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 17:29:33,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 17:29:33,198 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 17:29:33,200 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 17:29:33,201 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 17:29:33,202 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 17:29:33,202 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 17:29:33,202 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 17:29:33,204 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 17:29:33,206 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 17:29:33,207 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 [2022-10-15 17:29:33,279 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 17:29:33,279 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 17:29:33,280 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 17:29:33,280 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 17:29:33,283 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 17:29:33,283 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 17:29:33,286 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 17:29:33,287 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 17:29:33,287 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 17:29:33,288 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 17:29:33,289 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 17:29:33,290 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 17:29:33,290 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 17:29:33,290 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 17:29:33,290 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 17:29:33,291 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-15 17:29:33,291 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-15 17:29:33,291 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-15 17:29:33,291 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 17:29:33,291 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-15 17:29:33,292 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 17:29:33,292 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 17:29:33,292 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 17:29:33,292 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 17:29:33,293 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 17:29:33,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 17:29:33,293 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 17:29:33,294 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 17:29:33,294 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 17:29:33,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 17:29:33,294 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 17:29:33,746 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 17:29:33,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 17:29:33,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 17:29:33,805 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 17:29:33,806 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 17:29:33,807 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2022-10-15 17:29:33,895 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c861ab715/2b24ab31030f4f75a12718ca0b7089fa/FLAG354ec466f [2022-10-15 17:29:34,912 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 17:29:34,913 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2022-10-15 17:29:34,949 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c861ab715/2b24ab31030f4f75a12718ca0b7089fa/FLAG354ec466f [2022-10-15 17:29:35,118 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c861ab715/2b24ab31030f4f75a12718ca0b7089fa [2022-10-15 17:29:35,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 17:29:35,134 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 17:29:35,136 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 17:29:35,136 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 17:29:35,141 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 17:29:35,143 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 05:29:35" (1/1) ... [2022-10-15 17:29:35,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e66a248 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:29:35, skipping insertion in model container [2022-10-15 17:29:35,145 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 05:29:35" (1/1) ... [2022-10-15 17:29:35,156 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 17:29:35,291 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 17:29:35,963 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_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[14166,14179] [2022-10-15 17:29:35,997 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_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[15226,15239] [2022-10-15 17:29:36,147 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_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[26532,26545] [2022-10-15 17:29:36,180 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_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[27179,27192] [2022-10-15 17:29:36,196 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_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[28412,28425] [2022-10-15 17:29:36,238 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 17:29:36,257 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 17:29:36,373 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_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[14166,14179] [2022-10-15 17:29:36,382 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_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[15226,15239] [2022-10-15 17:29:36,455 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_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[26532,26545] [2022-10-15 17:29:36,462 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_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[27179,27192] [2022-10-15 17:29:36,473 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_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[28412,28425] [2022-10-15 17:29:36,500 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 17:29:36,527 INFO L208 MainTranslator]: Completed translation [2022-10-15 17:29:36,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:29:36 WrapperNode [2022-10-15 17:29:36,528 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 17:29:36,530 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 17:29:36,530 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 17:29:36,530 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 17:29:36,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:29:36" (1/1) ... [2022-10-15 17:29:36,589 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:29:36" (1/1) ... [2022-10-15 17:29:36,680 INFO L138 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1558 [2022-10-15 17:29:36,681 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 17:29:36,682 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 17:29:36,683 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 17:29:36,683 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 17:29:36,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:29:36" (1/1) ... [2022-10-15 17:29:36,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:29:36" (1/1) ... [2022-10-15 17:29:36,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:29:36" (1/1) ... [2022-10-15 17:29:36,709 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:29:36" (1/1) ... [2022-10-15 17:29:36,751 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:29:36" (1/1) ... [2022-10-15 17:29:36,787 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:29:36" (1/1) ... [2022-10-15 17:29:36,797 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:29:36" (1/1) ... [2022-10-15 17:29:36,810 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:29:36" (1/1) ... [2022-10-15 17:29:36,827 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 17:29:36,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 17:29:36,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 17:29:36,831 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 17:29:36,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:29:36" (1/1) ... [2022-10-15 17:29:36,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 17:29:36,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 17:29:36,887 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) [2022-10-15 17:29:36,915 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 [2022-10-15 17:29:36,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 17:29:36,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 17:29:36,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 17:29:36,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 17:29:37,163 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 17:29:37,165 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 17:29:38,899 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 17:29:38,915 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 17:29:38,915 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 17:29:38,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 05:29:38 BoogieIcfgContainer [2022-10-15 17:29:38,919 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 17:29:38,922 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 17:29:38,923 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 17:29:38,927 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 17:29:38,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 05:29:35" (1/3) ... [2022-10-15 17:29:38,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d2d6511 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 05:29:38, skipping insertion in model container [2022-10-15 17:29:38,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:29:36" (2/3) ... [2022-10-15 17:29:38,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d2d6511 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 05:29:38, skipping insertion in model container [2022-10-15 17:29:38,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 05:29:38" (3/3) ... [2022-10-15 17:29:38,931 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2022-10-15 17:29:38,957 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 17:29:38,957 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-10-15 17:29:39,030 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 17:29:39,041 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;@6a5fb545, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 17:29:39,041 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-10-15 17:29:39,051 INFO L276 IsEmpty]: Start isEmpty. Operand has 378 states, 371 states have (on average 1.830188679245283) internal successors, (679), 377 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:29:39,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-15 17:29:39,064 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:29:39,065 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:29:39,066 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-15 17:29:39,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:29:39,074 INFO L85 PathProgramCache]: Analyzing trace with hash 962709279, now seen corresponding path program 1 times [2022-10-15 17:29:39,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:29:39,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968053550] [2022-10-15 17:29:39,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:29:39,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:29:39,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:29:39,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:29:39,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:29:39,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968053550] [2022-10-15 17:29:39,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968053550] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:29:39,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:29:39,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 17:29:39,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086536500] [2022-10-15 17:29:39,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:29:39,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:29:39,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:29:39,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:29:39,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:29:39,658 INFO L87 Difference]: Start difference. First operand has 378 states, 371 states have (on average 1.830188679245283) internal successors, (679), 377 states have internal predecessors, (679), 0 states have call successors, (0), 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 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:29:39,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:29:39,745 INFO L93 Difference]: Finished difference Result 377 states and 673 transitions. [2022-10-15 17:29:39,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:29:39,749 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 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 16 [2022-10-15 17:29:39,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:29:39,768 INFO L225 Difference]: With dead ends: 377 [2022-10-15 17:29:39,769 INFO L226 Difference]: Without dead ends: 374 [2022-10-15 17:29:39,771 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 [2022-10-15 17:29:39,777 INFO L413 NwaCegarLoop]: 672 mSDtfsCounter, 658 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 658 SdHoareTripleChecker+Valid, 672 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 [2022-10-15 17:29:39,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [658 Valid, 672 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:29:39,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2022-10-15 17:29:39,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 374. [2022-10-15 17:29:39,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 369 states have (on average 1.4552845528455285) internal successors, (537), 373 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:29:39,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 537 transitions. [2022-10-15 17:29:39,858 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 537 transitions. Word has length 16 [2022-10-15 17:29:39,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:29:39,859 INFO L495 AbstractCegarLoop]: Abstraction has 374 states and 537 transitions. [2022-10-15 17:29:39,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:29:39,860 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 537 transitions. [2022-10-15 17:29:39,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-10-15 17:29:39,867 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:29:39,868 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:29:39,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 17:29:39,869 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-15 17:29:39,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:29:39,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1203570768, now seen corresponding path program 1 times [2022-10-15 17:29:39,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:29:39,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833621432] [2022-10-15 17:29:39,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:29:39,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:29:40,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:29:41,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:29:41,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:29:41,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833621432] [2022-10-15 17:29:41,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833621432] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:29:41,082 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:29:41,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:29:41,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307064096] [2022-10-15 17:29:41,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:29:41,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 17:29:41,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:29:41,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 17:29:41,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 17:29:41,094 INFO L87 Difference]: Start difference. First operand 374 states and 537 transitions. Second operand has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:29:41,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:29:41,287 INFO L93 Difference]: Finished difference Result 726 states and 1029 transitions. [2022-10-15 17:29:41,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 17:29:41,288 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 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 139 [2022-10-15 17:29:41,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:29:41,296 INFO L225 Difference]: With dead ends: 726 [2022-10-15 17:29:41,297 INFO L226 Difference]: Without dead ends: 726 [2022-10-15 17:29:41,297 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:29:41,299 INFO L413 NwaCegarLoop]: 939 mSDtfsCounter, 1071 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1071 SdHoareTripleChecker+Valid, 1426 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:29:41,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1071 Valid, 1426 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:29:41,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2022-10-15 17:29:41,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 701. [2022-10-15 17:29:41,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 701 states, 696 states have (on average 1.4425287356321839) internal successors, (1004), 700 states have internal predecessors, (1004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:29:41,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 1004 transitions. [2022-10-15 17:29:41,377 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 1004 transitions. Word has length 139 [2022-10-15 17:29:41,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:29:41,378 INFO L495 AbstractCegarLoop]: Abstraction has 701 states and 1004 transitions. [2022-10-15 17:29:41,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:29:41,379 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 1004 transitions. [2022-10-15 17:29:41,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-10-15 17:29:41,399 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:29:41,400 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:29:41,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 17:29:41,400 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-15 17:29:41,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:29:41,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1141139268, now seen corresponding path program 1 times [2022-10-15 17:29:41,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:29:41,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885243045] [2022-10-15 17:29:41,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:29:41,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:29:41,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:29:41,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:29:41,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:29:41,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885243045] [2022-10-15 17:29:41,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885243045] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:29:41,602 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:29:41,602 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:29:41,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607053006] [2022-10-15 17:29:41,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:29:41,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:29:41,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:29:41,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:29:41,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:29:41,613 INFO L87 Difference]: Start difference. First operand 701 states and 1004 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:29:41,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:29:41,647 INFO L93 Difference]: Finished difference Result 1392 states and 1991 transitions. [2022-10-15 17:29:41,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:29:41,648 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 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 140 [2022-10-15 17:29:41,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:29:41,662 INFO L225 Difference]: With dead ends: 1392 [2022-10-15 17:29:41,662 INFO L226 Difference]: Without dead ends: 1392 [2022-10-15 17:29:41,664 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 [2022-10-15 17:29:41,670 INFO L413 NwaCegarLoop]: 1060 mSDtfsCounter, 526 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 526 SdHoareTripleChecker+Valid, 1588 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:29:41,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [526 Valid, 1588 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:29:41,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1392 states. [2022-10-15 17:29:41,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1392 to 703. [2022-10-15 17:29:41,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 703 states, 698 states have (on average 1.4412607449856734) internal successors, (1006), 702 states have internal predecessors, (1006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:29:41,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 1006 transitions. [2022-10-15 17:29:41,714 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 1006 transitions. Word has length 140 [2022-10-15 17:29:41,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:29:41,718 INFO L495 AbstractCegarLoop]: Abstraction has 703 states and 1006 transitions. [2022-10-15 17:29:41,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:29:41,721 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 1006 transitions. [2022-10-15 17:29:41,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-10-15 17:29:41,724 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:29:41,725 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:29:41,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 17:29:41,726 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-15 17:29:41,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:29:41,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1084924930, now seen corresponding path program 1 times [2022-10-15 17:29:41,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:29:41,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807014745] [2022-10-15 17:29:41,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:29:41,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:29:41,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:29:42,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:29:42,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:29:42,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807014745] [2022-10-15 17:29:42,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807014745] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:29:42,041 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:29:42,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:29:42,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461946910] [2022-10-15 17:29:42,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:29:42,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:29:42,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:29:42,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:29:42,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:29:42,052 INFO L87 Difference]: Start difference. First operand 703 states and 1006 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:29:42,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:29:42,172 INFO L93 Difference]: Finished difference Result 1364 states and 1932 transitions. [2022-10-15 17:29:42,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:29:42,173 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 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 141 [2022-10-15 17:29:42,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:29:42,182 INFO L225 Difference]: With dead ends: 1364 [2022-10-15 17:29:42,183 INFO L226 Difference]: Without dead ends: 1364 [2022-10-15 17:29:42,183 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 [2022-10-15 17:29:42,185 INFO L413 NwaCegarLoop]: 985 mSDtfsCounter, 463 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 463 SdHoareTripleChecker+Valid, 1478 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:29:42,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [463 Valid, 1478 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:29:42,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1364 states. [2022-10-15 17:29:42,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1364 to 1339. [2022-10-15 17:29:42,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1339 states, 1334 states have (on average 1.4295352323838082) internal successors, (1907), 1338 states have internal predecessors, (1907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:29:42,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 1339 states and 1907 transitions. [2022-10-15 17:29:42,237 INFO L78 Accepts]: Start accepts. Automaton has 1339 states and 1907 transitions. Word has length 141 [2022-10-15 17:29:42,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:29:42,238 INFO L495 AbstractCegarLoop]: Abstraction has 1339 states and 1907 transitions. [2022-10-15 17:29:42,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:29:42,238 INFO L276 IsEmpty]: Start isEmpty. Operand 1339 states and 1907 transitions. [2022-10-15 17:29:42,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-10-15 17:29:42,243 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:29:42,243 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:29:42,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 17:29:42,244 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-15 17:29:42,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:29:42,245 INFO L85 PathProgramCache]: Analyzing trace with hash -980453119, now seen corresponding path program 1 times [2022-10-15 17:29:42,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:29:42,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335196924] [2022-10-15 17:29:42,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:29:42,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:29:42,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:29:42,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:29:42,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:29:42,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335196924] [2022-10-15 17:29:42,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335196924] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:29:42,830 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:29:42,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 17:29:42,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073854151] [2022-10-15 17:29:42,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:29:42,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:29:42,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:29:42,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:29:42,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:29:42,833 INFO L87 Difference]: Start difference. First operand 1339 states and 1907 transitions. Second operand has 5 states, 5 states have (on average 28.2) internal successors, (141), 5 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:29:43,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:29:43,022 INFO L93 Difference]: Finished difference Result 2425 states and 3409 transitions. [2022-10-15 17:29:43,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 17:29:43,023 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 5 states have internal predecessors, (141), 0 states have call successors, (0), 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 141 [2022-10-15 17:29:43,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:29:43,040 INFO L225 Difference]: With dead ends: 2425 [2022-10-15 17:29:43,040 INFO L226 Difference]: Without dead ends: 2425 [2022-10-15 17:29:43,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:29:43,042 INFO L413 NwaCegarLoop]: 920 mSDtfsCounter, 1463 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1463 SdHoareTripleChecker+Valid, 1399 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:29:43,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1463 Valid, 1399 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:29:43,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2425 states. [2022-10-15 17:29:43,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2425 to 2403. [2022-10-15 17:29:43,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2403 states, 2398 states have (on average 1.4132610508757297) internal successors, (3389), 2402 states have internal predecessors, (3389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:29:43,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2403 states to 2403 states and 3389 transitions. [2022-10-15 17:29:43,122 INFO L78 Accepts]: Start accepts. Automaton has 2403 states and 3389 transitions. Word has length 141 [2022-10-15 17:29:43,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:29:43,123 INFO L495 AbstractCegarLoop]: Abstraction has 2403 states and 3389 transitions. [2022-10-15 17:29:43,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 5 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:29:43,123 INFO L276 IsEmpty]: Start isEmpty. Operand 2403 states and 3389 transitions. [2022-10-15 17:29:43,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-10-15 17:29:43,129 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:29:43,129 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:29:43,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 17:29:43,130 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-15 17:29:43,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:29:43,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1926899985, now seen corresponding path program 1 times [2022-10-15 17:29:43,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:29:43,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486468746] [2022-10-15 17:29:43,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:29:43,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:29:43,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:29:43,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:29:43,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:29:43,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486468746] [2022-10-15 17:29:43,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486468746] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:29:43,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:29:43,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:29:43,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852494619] [2022-10-15 17:29:43,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:29:43,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 17:29:43,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:29:43,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 17:29:43,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 17:29:43,715 INFO L87 Difference]: Start difference. First operand 2403 states and 3389 transitions. Second operand has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:29:43,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:29:43,870 INFO L93 Difference]: Finished difference Result 4653 states and 6478 transitions. [2022-10-15 17:29:43,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 17:29:43,871 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 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 141 [2022-10-15 17:29:43,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:29:43,904 INFO L225 Difference]: With dead ends: 4653 [2022-10-15 17:29:43,904 INFO L226 Difference]: Without dead ends: 4653 [2022-10-15 17:29:43,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:29:43,907 INFO L413 NwaCegarLoop]: 926 mSDtfsCounter, 1057 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1057 SdHoareTripleChecker+Valid, 1417 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:29:43,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1057 Valid, 1417 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:29:43,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4653 states. [2022-10-15 17:29:44,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4653 to 4626. [2022-10-15 17:29:44,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4626 states, 4621 states have (on average 1.396018177883575) internal successors, (6451), 4625 states have internal predecessors, (6451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:29:44,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4626 states to 4626 states and 6451 transitions. [2022-10-15 17:29:44,079 INFO L78 Accepts]: Start accepts. Automaton has 4626 states and 6451 transitions. Word has length 141 [2022-10-15 17:29:44,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:29:44,080 INFO L495 AbstractCegarLoop]: Abstraction has 4626 states and 6451 transitions. [2022-10-15 17:29:44,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:29:44,080 INFO L276 IsEmpty]: Start isEmpty. Operand 4626 states and 6451 transitions. [2022-10-15 17:29:44,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-10-15 17:29:44,089 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:29:44,090 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:29:44,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 17:29:44,091 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-15 17:29:44,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:29:44,091 INFO L85 PathProgramCache]: Analyzing trace with hash 349588475, now seen corresponding path program 1 times [2022-10-15 17:29:44,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:29:44,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707723439] [2022-10-15 17:29:44,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:29:44,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:29:44,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:29:44,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:29:44,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:29:44,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707723439] [2022-10-15 17:29:44,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707723439] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:29:44,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:29:44,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:29:44,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455946440] [2022-10-15 17:29:44,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:29:44,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:29:44,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:29:44,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:29:44,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:29:44,231 INFO L87 Difference]: Start difference. First operand 4626 states and 6451 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:29:44,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:29:44,313 INFO L93 Difference]: Finished difference Result 9191 states and 12803 transitions. [2022-10-15 17:29:44,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:29:44,315 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 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 142 [2022-10-15 17:29:44,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:29:44,372 INFO L225 Difference]: With dead ends: 9191 [2022-10-15 17:29:44,373 INFO L226 Difference]: Without dead ends: 9191 [2022-10-15 17:29:44,373 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 [2022-10-15 17:29:44,374 INFO L413 NwaCegarLoop]: 609 mSDtfsCounter, 512 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 512 SdHoareTripleChecker+Valid, 1137 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:29:44,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [512 Valid, 1137 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:29:44,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9191 states. [2022-10-15 17:29:44,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9191 to 4636. [2022-10-15 17:29:44,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4636 states, 4631 states have (on average 1.3951630317426043) internal successors, (6461), 4635 states have internal predecessors, (6461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:29:44,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4636 states to 4636 states and 6461 transitions. [2022-10-15 17:29:44,646 INFO L78 Accepts]: Start accepts. Automaton has 4636 states and 6461 transitions. Word has length 142 [2022-10-15 17:29:44,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:29:44,646 INFO L495 AbstractCegarLoop]: Abstraction has 4636 states and 6461 transitions. [2022-10-15 17:29:44,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:29:44,647 INFO L276 IsEmpty]: Start isEmpty. Operand 4636 states and 6461 transitions. [2022-10-15 17:29:44,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-10-15 17:29:44,656 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:29:44,657 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:29:44,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 17:29:44,657 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-15 17:29:44,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:29:44,658 INFO L85 PathProgramCache]: Analyzing trace with hash -88637170, now seen corresponding path program 1 times [2022-10-15 17:29:44,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:29:44,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644390624] [2022-10-15 17:29:44,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:29:44,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:29:44,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:29:45,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:29:45,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:29:45,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644390624] [2022-10-15 17:29:45,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644390624] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:29:45,443 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:29:45,443 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:29:45,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045495541] [2022-10-15 17:29:45,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:29:45,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 17:29:45,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:29:45,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 17:29:45,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 17:29:45,447 INFO L87 Difference]: Start difference. First operand 4636 states and 6461 transitions. Second operand has 4 states, 4 states have (on average 35.75) internal successors, (143), 4 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:29:45,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:29:45,630 INFO L93 Difference]: Finished difference Result 8891 states and 12246 transitions. [2022-10-15 17:29:45,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 17:29:45,631 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.75) internal successors, (143), 4 states have internal predecessors, (143), 0 states have call successors, (0), 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 143 [2022-10-15 17:29:45,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:29:45,695 INFO L225 Difference]: With dead ends: 8891 [2022-10-15 17:29:45,695 INFO L226 Difference]: Without dead ends: 8891 [2022-10-15 17:29:45,695 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:29:45,696 INFO L413 NwaCegarLoop]: 915 mSDtfsCounter, 1051 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1051 SdHoareTripleChecker+Valid, 1406 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:29:45,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1051 Valid, 1406 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:29:45,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8891 states. [2022-10-15 17:29:45,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8891 to 8864. [2022-10-15 17:29:45,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8864 states, 8859 states have (on average 1.379275313240772) internal successors, (12219), 8863 states have internal predecessors, (12219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:29:45,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8864 states to 8864 states and 12219 transitions. [2022-10-15 17:29:45,938 INFO L78 Accepts]: Start accepts. Automaton has 8864 states and 12219 transitions. Word has length 143 [2022-10-15 17:29:45,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:29:45,939 INFO L495 AbstractCegarLoop]: Abstraction has 8864 states and 12219 transitions. [2022-10-15 17:29:45,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.75) internal successors, (143), 4 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:29:45,939 INFO L276 IsEmpty]: Start isEmpty. Operand 8864 states and 12219 transitions. [2022-10-15 17:29:45,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-10-15 17:29:45,955 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:29:45,955 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:29:45,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 17:29:45,955 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-15 17:29:45,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:29:45,956 INFO L85 PathProgramCache]: Analyzing trace with hash -845151558, now seen corresponding path program 1 times [2022-10-15 17:29:45,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:29:45,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735493757] [2022-10-15 17:29:45,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:29:45,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:29:45,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:29:46,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:29:46,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:29:46,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735493757] [2022-10-15 17:29:46,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735493757] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:29:46,113 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:29:46,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:29:46,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513656218] [2022-10-15 17:29:46,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:29:46,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:29:46,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:29:46,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:29:46,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:29:46,116 INFO L87 Difference]: Start difference. First operand 8864 states and 12219 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:29:46,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:29:46,240 INFO L93 Difference]: Finished difference Result 17451 states and 24050 transitions. [2022-10-15 17:29:46,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:29:46,241 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 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 144 [2022-10-15 17:29:46,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:29:46,291 INFO L225 Difference]: With dead ends: 17451 [2022-10-15 17:29:46,291 INFO L226 Difference]: Without dead ends: 17451 [2022-10-15 17:29:46,291 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 [2022-10-15 17:29:46,292 INFO L413 NwaCegarLoop]: 615 mSDtfsCounter, 498 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 498 SdHoareTripleChecker+Valid, 1143 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:29:46,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [498 Valid, 1143 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:29:46,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17451 states. [2022-10-15 17:29:46,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17451 to 8884. [2022-10-15 17:29:46,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8884 states, 8879 states have (on average 1.3784209933551075) internal successors, (12239), 8883 states have internal predecessors, (12239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:29:46,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8884 states to 8884 states and 12239 transitions. [2022-10-15 17:29:46,765 INFO L78 Accepts]: Start accepts. Automaton has 8884 states and 12239 transitions. Word has length 144 [2022-10-15 17:29:46,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:29:46,765 INFO L495 AbstractCegarLoop]: Abstraction has 8884 states and 12239 transitions. [2022-10-15 17:29:46,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:29:46,767 INFO L276 IsEmpty]: Start isEmpty. Operand 8884 states and 12239 transitions. [2022-10-15 17:29:46,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-10-15 17:29:46,786 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:29:46,787 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:29:46,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 17:29:46,788 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-15 17:29:46,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:29:46,789 INFO L85 PathProgramCache]: Analyzing trace with hash -319371603, now seen corresponding path program 1 times [2022-10-15 17:29:46,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:29:46,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200608336] [2022-10-15 17:29:46,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:29:46,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:29:46,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:29:47,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:29:47,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:29:47,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200608336] [2022-10-15 17:29:47,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200608336] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:29:47,484 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:29:47,484 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:29:47,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750612377] [2022-10-15 17:29:47,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:29:47,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 17:29:47,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:29:47,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 17:29:47,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 17:29:47,487 INFO L87 Difference]: Start difference. First operand 8884 states and 12239 transitions. Second operand has 4 states, 4 states have (on average 36.25) internal successors, (145), 4 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:29:47,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:29:47,551 INFO L93 Difference]: Finished difference Result 6068 states and 8255 transitions. [2022-10-15 17:29:47,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 17:29:47,552 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.25) internal successors, (145), 4 states have internal predecessors, (145), 0 states have call successors, (0), 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 145 [2022-10-15 17:29:47,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:29:47,568 INFO L225 Difference]: With dead ends: 6068 [2022-10-15 17:29:47,569 INFO L226 Difference]: Without dead ends: 5741 [2022-10-15 17:29:47,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:29:47,571 INFO L413 NwaCegarLoop]: 579 mSDtfsCounter, 65 mSDsluCounter, 1063 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 1642 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:29:47,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 1642 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:29:47,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5741 states. [2022-10-15 17:29:47,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5741 to 5741. [2022-10-15 17:29:47,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5741 states, 5736 states have (on average 1.3718619246861925) internal successors, (7869), 5740 states have internal predecessors, (7869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:29:47,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5741 states to 5741 states and 7869 transitions. [2022-10-15 17:29:47,729 INFO L78 Accepts]: Start accepts. Automaton has 5741 states and 7869 transitions. Word has length 145 [2022-10-15 17:29:47,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:29:47,729 INFO L495 AbstractCegarLoop]: Abstraction has 5741 states and 7869 transitions. [2022-10-15 17:29:47,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.25) internal successors, (145), 4 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:29:47,729 INFO L276 IsEmpty]: Start isEmpty. Operand 5741 states and 7869 transitions. [2022-10-15 17:29:47,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-10-15 17:29:47,780 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:29:47,780 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:29:47,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 17:29:47,781 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-15 17:29:47,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:29:47,783 INFO L85 PathProgramCache]: Analyzing trace with hash -14967049, now seen corresponding path program 1 times [2022-10-15 17:29:47,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:29:47,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919962401] [2022-10-15 17:29:47,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:29:47,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:29:47,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:29:48,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:29:48,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:29:48,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919962401] [2022-10-15 17:29:48,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919962401] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:29:48,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:29:48,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:29:48,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475771394] [2022-10-15 17:29:48,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:29:48,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:29:48,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:29:48,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:29:48,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:29:48,035 INFO L87 Difference]: Start difference. First operand 5741 states and 7869 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:29:48,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:29:48,191 INFO L93 Difference]: Finished difference Result 10681 states and 14485 transitions. [2022-10-15 17:29:48,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:29:48,192 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 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 153 [2022-10-15 17:29:48,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:29:48,227 INFO L225 Difference]: With dead ends: 10681 [2022-10-15 17:29:48,228 INFO L226 Difference]: Without dead ends: 10681 [2022-10-15 17:29:48,228 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 [2022-10-15 17:29:48,229 INFO L413 NwaCegarLoop]: 1004 mSDtfsCounter, 449 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 449 SdHoareTripleChecker+Valid, 1486 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:29:48,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [449 Valid, 1486 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:29:48,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10681 states. [2022-10-15 17:29:48,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10681 to 10661. [2022-10-15 17:29:48,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10661 states, 10656 states have (on average 1.3578265765765767) internal successors, (14469), 10660 states have internal predecessors, (14469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:29:48,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10661 states to 10661 states and 14469 transitions. [2022-10-15 17:29:48,616 INFO L78 Accepts]: Start accepts. Automaton has 10661 states and 14469 transitions. Word has length 153 [2022-10-15 17:29:48,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:29:48,618 INFO L495 AbstractCegarLoop]: Abstraction has 10661 states and 14469 transitions. [2022-10-15 17:29:48,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:29:48,618 INFO L276 IsEmpty]: Start isEmpty. Operand 10661 states and 14469 transitions. [2022-10-15 17:29:48,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-10-15 17:29:48,640 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:29:48,640 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:29:48,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 17:29:48,641 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-15 17:29:48,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:29:48,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1413245894, now seen corresponding path program 1 times [2022-10-15 17:29:48,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:29:48,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608576640] [2022-10-15 17:29:48,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:29:48,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:29:48,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:29:48,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:29:48,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:29:48,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608576640] [2022-10-15 17:29:48,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608576640] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:29:48,834 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:29:48,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:29:48,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309241750] [2022-10-15 17:29:48,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:29:48,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:29:48,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:29:48,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:29:48,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:29:48,838 INFO L87 Difference]: Start difference. First operand 10661 states and 14469 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:29:49,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:29:49,380 INFO L93 Difference]: Finished difference Result 20276 states and 27506 transitions. [2022-10-15 17:29:49,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:29:49,381 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 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 153 [2022-10-15 17:29:49,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:29:49,458 INFO L225 Difference]: With dead ends: 20276 [2022-10-15 17:29:49,459 INFO L226 Difference]: Without dead ends: 20276 [2022-10-15 17:29:49,459 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 [2022-10-15 17:29:49,461 INFO L413 NwaCegarLoop]: 423 mSDtfsCounter, 392 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 392 SdHoareTripleChecker+Valid, 827 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 17:29:49,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [392 Valid, 827 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 17:29:49,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20276 states. [2022-10-15 17:29:50,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20276 to 20243. [2022-10-15 17:29:50,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20243 states, 20238 states have (on average 1.3573969759857694) internal successors, (27471), 20242 states have internal predecessors, (27471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:29:50,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20243 states to 20243 states and 27471 transitions. [2022-10-15 17:29:50,403 INFO L78 Accepts]: Start accepts. Automaton has 20243 states and 27471 transitions. Word has length 153 [2022-10-15 17:29:50,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:29:50,404 INFO L495 AbstractCegarLoop]: Abstraction has 20243 states and 27471 transitions. [2022-10-15 17:29:50,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:29:50,406 INFO L276 IsEmpty]: Start isEmpty. Operand 20243 states and 27471 transitions. [2022-10-15 17:29:50,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-10-15 17:29:50,445 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:29:50,445 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:29:50,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 17:29:50,446 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-15 17:29:50,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:29:50,447 INFO L85 PathProgramCache]: Analyzing trace with hash 424086943, now seen corresponding path program 1 times [2022-10-15 17:29:50,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:29:50,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516985093] [2022-10-15 17:29:50,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:29:50,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:29:50,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:29:51,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:29:51,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:29:51,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516985093] [2022-10-15 17:29:51,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516985093] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:29:51,446 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:29:51,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:29:51,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935777627] [2022-10-15 17:29:51,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:29:51,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 17:29:51,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:29:51,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 17:29:51,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 17:29:51,449 INFO L87 Difference]: Start difference. First operand 20243 states and 27471 transitions. Second operand has 4 states, 4 states have (on average 38.25) internal successors, (153), 4 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:29:51,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:29:51,785 INFO L93 Difference]: Finished difference Result 31621 states and 43328 transitions. [2022-10-15 17:29:51,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 17:29:51,786 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.25) internal successors, (153), 4 states have internal predecessors, (153), 0 states have call successors, (0), 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 153 [2022-10-15 17:29:51,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:29:51,904 INFO L225 Difference]: With dead ends: 31621 [2022-10-15 17:29:51,905 INFO L226 Difference]: Without dead ends: 31621 [2022-10-15 17:29:51,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 17:29:51,906 INFO L413 NwaCegarLoop]: 497 mSDtfsCounter, 935 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 935 SdHoareTripleChecker+Valid, 919 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:29:51,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [935 Valid, 919 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:29:51,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31621 states. [2022-10-15 17:29:53,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31621 to 31619. [2022-10-15 17:29:53,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31619 states, 31614 states have (on average 1.3705004112102233) internal successors, (43327), 31618 states have internal predecessors, (43327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:29:53,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31619 states to 31619 states and 43327 transitions. [2022-10-15 17:29:53,479 INFO L78 Accepts]: Start accepts. Automaton has 31619 states and 43327 transitions. Word has length 153 [2022-10-15 17:29:53,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:29:53,479 INFO L495 AbstractCegarLoop]: Abstraction has 31619 states and 43327 transitions. [2022-10-15 17:29:53,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.25) internal successors, (153), 4 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:29:53,480 INFO L276 IsEmpty]: Start isEmpty. Operand 31619 states and 43327 transitions. [2022-10-15 17:29:53,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-10-15 17:29:53,591 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:29:53,591 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:29:53,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 17:29:53,592 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-15 17:29:53,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:29:53,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1804095396, now seen corresponding path program 1 times [2022-10-15 17:29:53,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:29:53,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926721841] [2022-10-15 17:29:53,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:29:53,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:29:53,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:29:53,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:29:53,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:29:53,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926721841] [2022-10-15 17:29:53,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926721841] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:29:53,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:29:53,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:29:53,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143147775] [2022-10-15 17:29:53,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:29:53,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:29:53,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:29:53,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:29:53,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:29:53,925 INFO L87 Difference]: Start difference. First operand 31619 states and 43327 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:29:54,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:29:54,226 INFO L93 Difference]: Finished difference Result 45677 states and 63080 transitions. [2022-10-15 17:29:54,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:29:54,227 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 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 153 [2022-10-15 17:29:54,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:29:54,383 INFO L225 Difference]: With dead ends: 45677 [2022-10-15 17:29:54,384 INFO L226 Difference]: Without dead ends: 45677 [2022-10-15 17:29:54,384 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 [2022-10-15 17:29:54,386 INFO L413 NwaCegarLoop]: 502 mSDtfsCounter, 306 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 839 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:29:54,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 839 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:29:54,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45677 states. [2022-10-15 17:29:56,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45677 to 45675. [2022-10-15 17:29:56,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45675 states, 45670 states have (on average 1.38119115393037) internal successors, (63079), 45674 states have internal predecessors, (63079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:29:56,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45675 states to 45675 states and 63079 transitions. [2022-10-15 17:29:56,652 INFO L78 Accepts]: Start accepts. Automaton has 45675 states and 63079 transitions. Word has length 153 [2022-10-15 17:29:56,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:29:56,653 INFO L495 AbstractCegarLoop]: Abstraction has 45675 states and 63079 transitions. [2022-10-15 17:29:56,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:29:56,654 INFO L276 IsEmpty]: Start isEmpty. Operand 45675 states and 63079 transitions. [2022-10-15 17:29:56,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-10-15 17:29:56,750 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:29:56,750 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:29:56,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 17:29:56,751 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-15 17:29:56,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:29:56,752 INFO L85 PathProgramCache]: Analyzing trace with hash -345875771, now seen corresponding path program 1 times [2022-10-15 17:29:56,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:29:56,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753321866] [2022-10-15 17:29:56,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:29:56,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:29:56,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:29:57,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:29:57,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:29:57,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753321866] [2022-10-15 17:29:57,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753321866] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:29:57,708 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:29:57,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:29:57,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112533344] [2022-10-15 17:29:57,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:29:57,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 17:29:57,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:29:57,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 17:29:57,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 17:29:57,712 INFO L87 Difference]: Start difference. First operand 45675 states and 63079 transitions. Second operand has 4 states, 4 states have (on average 38.25) internal successors, (153), 4 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:29:58,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:29:58,083 INFO L93 Difference]: Finished difference Result 37332 states and 51356 transitions. [2022-10-15 17:29:58,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 17:29:58,084 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.25) internal successors, (153), 4 states have internal predecessors, (153), 0 states have call successors, (0), 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 153 [2022-10-15 17:29:58,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:29:58,243 INFO L225 Difference]: With dead ends: 37332 [2022-10-15 17:29:58,244 INFO L226 Difference]: Without dead ends: 37198 [2022-10-15 17:29:58,247 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:29:58,249 INFO L413 NwaCegarLoop]: 571 mSDtfsCounter, 53 mSDsluCounter, 1060 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 1631 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:29:58,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 1631 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:29:58,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37198 states. [2022-10-15 17:29:59,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37198 to 37198. [2022-10-15 17:29:59,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37198 states, 37193 states have (on average 1.3766300110235796) internal successors, (51201), 37197 states have internal predecessors, (51201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:29:59,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37198 states to 37198 states and 51201 transitions. [2022-10-15 17:29:59,955 INFO L78 Accepts]: Start accepts. Automaton has 37198 states and 51201 transitions. Word has length 153 [2022-10-15 17:29:59,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:29:59,955 INFO L495 AbstractCegarLoop]: Abstraction has 37198 states and 51201 transitions. [2022-10-15 17:29:59,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.25) internal successors, (153), 4 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:29:59,956 INFO L276 IsEmpty]: Start isEmpty. Operand 37198 states and 51201 transitions. [2022-10-15 17:29:59,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-10-15 17:29:59,994 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:29:59,994 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:29:59,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 17:29:59,995 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-15 17:29:59,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:29:59,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1760858661, now seen corresponding path program 1 times [2022-10-15 17:29:59,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:29:59,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855361010] [2022-10-15 17:29:59,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:29:59,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:30:00,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:30:01,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:30:01,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:30:01,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855361010] [2022-10-15 17:30:01,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855361010] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:30:01,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:30:01,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-15 17:30:01,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49526249] [2022-10-15 17:30:01,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:30:01,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-15 17:30:01,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:30:01,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-15 17:30:01,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-15 17:30:01,094 INFO L87 Difference]: Start difference. First operand 37198 states and 51201 transitions. Second operand has 8 states, 8 states have (on average 19.875) internal successors, (159), 8 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:30:02,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:30:02,123 INFO L93 Difference]: Finished difference Result 60149 states and 81624 transitions. [2022-10-15 17:30:02,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 17:30:02,125 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 19.875) internal successors, (159), 8 states have internal predecessors, (159), 0 states have call successors, (0), 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 159 [2022-10-15 17:30:02,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:30:02,459 INFO L225 Difference]: With dead ends: 60149 [2022-10-15 17:30:02,459 INFO L226 Difference]: Without dead ends: 60149 [2022-10-15 17:30:02,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-10-15 17:30:02,462 INFO L413 NwaCegarLoop]: 605 mSDtfsCounter, 3270 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3270 SdHoareTripleChecker+Valid, 1245 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 17:30:02,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3270 Valid, 1245 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 17:30:02,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60149 states. [2022-10-15 17:30:04,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60149 to 60147. [2022-10-15 17:30:04,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60147 states, 60142 states have (on average 1.3571713611120348) internal successors, (81623), 60146 states have internal predecessors, (81623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:30:04,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60147 states to 60147 states and 81623 transitions. [2022-10-15 17:30:04,624 INFO L78 Accepts]: Start accepts. Automaton has 60147 states and 81623 transitions. Word has length 159 [2022-10-15 17:30:04,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:30:04,625 INFO L495 AbstractCegarLoop]: Abstraction has 60147 states and 81623 transitions. [2022-10-15 17:30:04,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 19.875) internal successors, (159), 8 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:30:04,626 INFO L276 IsEmpty]: Start isEmpty. Operand 60147 states and 81623 transitions. [2022-10-15 17:30:04,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-10-15 17:30:04,709 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:30:04,709 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:30:04,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 17:30:04,710 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-15 17:30:04,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:30:04,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1384607787, now seen corresponding path program 1 times [2022-10-15 17:30:04,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:30:04,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662744305] [2022-10-15 17:30:04,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:30:04,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:30:04,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:30:05,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:30:05,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:30:05,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662744305] [2022-10-15 17:30:05,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662744305] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:30:05,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:30:05,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:30:05,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330515645] [2022-10-15 17:30:05,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:30:05,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 17:30:05,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:30:05,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 17:30:05,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 17:30:05,609 INFO L87 Difference]: Start difference. First operand 60147 states and 81623 transitions. Second operand has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:30:05,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:30:05,932 INFO L93 Difference]: Finished difference Result 51783 states and 70252 transitions. [2022-10-15 17:30:05,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 17:30:05,933 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 0 states have call successors, (0), 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 159 [2022-10-15 17:30:05,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:30:06,074 INFO L225 Difference]: With dead ends: 51783 [2022-10-15 17:30:06,074 INFO L226 Difference]: Without dead ends: 51466 [2022-10-15 17:30:06,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:30:06,076 INFO L413 NwaCegarLoop]: 563 mSDtfsCounter, 45 mSDsluCounter, 1055 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 1618 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:30:06,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 1618 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:30:06,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51466 states. [2022-10-15 17:30:07,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51466 to 51466. [2022-10-15 17:30:07,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51466 states, 51461 states have (on average 1.3582713122558832) internal successors, (69898), 51465 states have internal predecessors, (69898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:30:07,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51466 states to 51466 states and 69898 transitions. [2022-10-15 17:30:07,921 INFO L78 Accepts]: Start accepts. Automaton has 51466 states and 69898 transitions. Word has length 159 [2022-10-15 17:30:07,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:30:07,922 INFO L495 AbstractCegarLoop]: Abstraction has 51466 states and 69898 transitions. [2022-10-15 17:30:07,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:30:07,922 INFO L276 IsEmpty]: Start isEmpty. Operand 51466 states and 69898 transitions. [2022-10-15 17:30:07,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-10-15 17:30:07,984 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:30:07,984 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:30:07,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-15 17:30:07,985 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-15 17:30:07,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:30:07,986 INFO L85 PathProgramCache]: Analyzing trace with hash 388359894, now seen corresponding path program 1 times [2022-10-15 17:30:07,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:30:07,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245130590] [2022-10-15 17:30:07,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:30:07,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:30:08,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:30:10,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:30:10,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:30:10,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245130590] [2022-10-15 17:30:10,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245130590] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:30:10,035 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:30:10,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-10-15 17:30:10,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766272691] [2022-10-15 17:30:10,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:30:10,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-10-15 17:30:10,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:30:10,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-10-15 17:30:10,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2022-10-15 17:30:10,038 INFO L87 Difference]: Start difference. First operand 51466 states and 69898 transitions. Second operand has 16 states, 16 states have (on average 10.3125) internal successors, (165), 16 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:30:14,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:30:14,042 INFO L93 Difference]: Finished difference Result 95463 states and 133293 transitions. [2022-10-15 17:30:14,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-10-15 17:30:14,043 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 10.3125) internal successors, (165), 16 states have internal predecessors, (165), 0 states have call successors, (0), 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 165 [2022-10-15 17:30:14,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:30:14,294 INFO L225 Difference]: With dead ends: 95463 [2022-10-15 17:30:14,295 INFO L226 Difference]: Without dead ends: 95463 [2022-10-15 17:30:14,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=443, Invalid=1197, Unknown=0, NotChecked=0, Total=1640 [2022-10-15 17:30:14,297 INFO L413 NwaCegarLoop]: 539 mSDtfsCounter, 8714 mSDsluCounter, 5411 mSDsCounter, 0 mSdLazyCounter, 1283 mSolverCounterSat, 263 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8714 SdHoareTripleChecker+Valid, 5950 SdHoareTripleChecker+Invalid, 1546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 263 IncrementalHoareTripleChecker+Valid, 1283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-15 17:30:14,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8714 Valid, 5950 Invalid, 1546 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [263 Valid, 1283 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-15 17:30:14,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95463 states.