/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_opt-floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 04:04:21,897 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 04:04:21,899 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 04:04:21,934 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 04:04:21,935 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 04:04:21,936 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 04:04:21,938 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 04:04:21,940 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 04:04:21,942 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 04:04:21,943 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 04:04:21,944 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 04:04:21,946 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 04:04:21,946 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 04:04:21,948 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 04:04:21,949 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 04:04:21,966 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 04:04:21,968 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 04:04:21,969 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 04:04:21,971 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 04:04:21,973 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 04:04:21,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 04:04:21,976 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 04:04:21,979 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 04:04:21,981 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 04:04:21,992 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 04:04:21,993 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 04:04:21,993 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 04:04:21,996 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 04:04:21,997 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 04:04:21,998 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 04:04:21,998 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 04:04:21,999 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 04:04:22,001 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 04:04:22,001 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 04:04:22,003 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 04:04:22,003 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 04:04:22,004 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 04:04:22,004 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 04:04:22,004 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 04:04:22,005 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 04:04:22,006 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 04:04:22,007 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-10-16 04:04:22,067 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 04:04:22,067 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 04:04:22,067 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 04:04:22,068 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 04:04:22,069 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 04:04:22,069 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 04:04:22,070 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 04:04:22,070 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 04:04:22,070 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 04:04:22,072 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 04:04:22,072 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 04:04:22,073 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 04:04:22,073 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 04:04:22,073 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 04:04:22,073 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 04:04:22,073 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-16 04:04:22,074 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-16 04:04:22,075 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-16 04:04:22,075 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 04:04:22,075 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-16 04:04:22,075 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 04:04:22,075 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 04:04:22,076 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 04:04:22,076 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 04:04:22,076 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 04:04:22,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 04:04:22,076 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 04:04:22,076 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 04:04:22,077 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 04:04:22,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 04:04:22,077 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 04:04:22,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 04:04:22,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 04:04:22,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 04:04:22,515 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 04:04:22,515 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 04:04:22,517 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2022-10-16 04:04:22,589 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc734d131/2199cff6fe4e4dd2ae66408213eaee19/FLAG8fcd56243 [2022-10-16 04:04:23,428 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 04:04:23,429 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2022-10-16 04:04:23,447 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc734d131/2199cff6fe4e4dd2ae66408213eaee19/FLAG8fcd56243 [2022-10-16 04:04:23,612 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc734d131/2199cff6fe4e4dd2ae66408213eaee19 [2022-10-16 04:04:23,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 04:04:23,629 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 04:04:23,632 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 04:04:23,633 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 04:04:23,637 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 04:04:23,638 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:04:23" (1/1) ... [2022-10-16 04:04:23,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66bb3838 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:23, skipping insertion in model container [2022-10-16 04:04:23,641 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:04:23" (1/1) ... [2022-10-16 04:04:23,649 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 04:04:23,730 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 04:04:24,076 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_opt-floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[15613,15626] [2022-10-16 04:04:24,100 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_opt-floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[16673,16686] [2022-10-16 04:04:24,332 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_opt-floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[28981,28994] [2022-10-16 04:04:24,345 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_opt-floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[29628,29641] [2022-10-16 04:04:24,378 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_opt-floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[30969,30982] [2022-10-16 04:04:24,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 04:04:24,484 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 04:04:24,641 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_opt-floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[15613,15626] [2022-10-16 04:04:24,659 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_opt-floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[16673,16686] [2022-10-16 04:04:24,789 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_opt-floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[28981,28994] [2022-10-16 04:04:24,799 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_opt-floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[29628,29641] [2022-10-16 04:04:24,815 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_opt-floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[30969,30982] [2022-10-16 04:04:24,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 04:04:24,882 INFO L208 MainTranslator]: Completed translation [2022-10-16 04:04:24,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:24 WrapperNode [2022-10-16 04:04:24,883 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 04:04:24,884 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 04:04:24,884 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 04:04:24,884 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 04:04:24,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:24" (1/1) ... [2022-10-16 04:04:24,933 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:24" (1/1) ... [2022-10-16 04:04:25,035 INFO L138 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1689 [2022-10-16 04:04:25,036 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 04:04:25,037 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 04:04:25,037 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 04:04:25,037 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 04:04:25,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:24" (1/1) ... [2022-10-16 04:04:25,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:24" (1/1) ... [2022-10-16 04:04:25,056 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:24" (1/1) ... [2022-10-16 04:04:25,060 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:24" (1/1) ... [2022-10-16 04:04:25,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:24" (1/1) ... [2022-10-16 04:04:25,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:24" (1/1) ... [2022-10-16 04:04:25,129 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:24" (1/1) ... [2022-10-16 04:04:25,134 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:24" (1/1) ... [2022-10-16 04:04:25,146 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 04:04:25,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 04:04:25,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 04:04:25,148 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 04:04:25,148 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:24" (1/1) ... [2022-10-16 04:04:25,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 04:04:25,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 04:04:25,182 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 04:04:25,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 04:04:25,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 04:04:25,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 04:04:25,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 04:04:25,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 04:04:25,440 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 04:04:25,444 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 04:04:27,018 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 04:04:27,030 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 04:04:27,031 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 04:04:27,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:04:27 BoogieIcfgContainer [2022-10-16 04:04:27,034 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 04:04:27,036 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 04:04:27,036 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 04:04:27,040 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 04:04:27,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:04:23" (1/3) ... [2022-10-16 04:04:27,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c3cbad6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:04:27, skipping insertion in model container [2022-10-16 04:04:27,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:24" (2/3) ... [2022-10-16 04:04:27,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c3cbad6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:04:27, skipping insertion in model container [2022-10-16 04:04:27,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:04:27" (3/3) ... [2022-10-16 04:04:27,043 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2022-10-16 04:04:27,064 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 04:04:27,064 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-10-16 04:04:27,127 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 04:04:27,136 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;@260a8192, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 04:04:27,136 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-10-16 04:04:27,143 INFO L276 IsEmpty]: Start isEmpty. Operand has 414 states, 407 states have (on average 1.8083538083538084) internal successors, (736), 413 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:27,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-16 04:04:27,151 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:04:27,152 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:04:27,153 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)] === [2022-10-16 04:04:27,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:04:27,159 INFO L85 PathProgramCache]: Analyzing trace with hash 962713119, now seen corresponding path program 1 times [2022-10-16 04:04:27,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:04:27,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063574290] [2022-10-16 04:04:27,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:04:27,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:04:27,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:04:27,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:04:27,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:04:27,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063574290] [2022-10-16 04:04:27,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063574290] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:04:27,530 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:04:27,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 04:04:27,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030009049] [2022-10-16 04:04:27,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:04:27,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:04:27,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:04:27,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:04:27,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:04:27,578 INFO L87 Difference]: Start difference. First operand has 414 states, 407 states have (on average 1.8083538083538084) internal successors, (736), 413 states have internal predecessors, (736), 0 states have call successors, (0), 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) [2022-10-16 04:04:27,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:04:27,720 INFO L93 Difference]: Finished difference Result 413 states and 730 transitions. [2022-10-16 04:04:27,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:04:27,723 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 [2022-10-16 04:04:27,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:04:27,739 INFO L225 Difference]: With dead ends: 413 [2022-10-16 04:04:27,739 INFO L226 Difference]: Without dead ends: 410 [2022-10-16 04:04:27,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:04:27,746 INFO L413 NwaCegarLoop]: 729 mSDtfsCounter, 715 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 715 SdHoareTripleChecker+Valid, 729 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:04:27,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [715 Valid, 729 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:04:27,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2022-10-16 04:04:27,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 410. [2022-10-16 04:04:27,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 405 states have (on average 1.4592592592592593) internal successors, (591), 409 states have internal predecessors, (591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:27,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 591 transitions. [2022-10-16 04:04:27,835 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 591 transitions. Word has length 16 [2022-10-16 04:04:27,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:04:27,836 INFO L495 AbstractCegarLoop]: Abstraction has 410 states and 591 transitions. [2022-10-16 04:04:27,837 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) [2022-10-16 04:04:27,837 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 591 transitions. [2022-10-16 04:04:27,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-10-16 04:04:27,848 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:04:27,848 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] [2022-10-16 04:04:27,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 04:04:27,851 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-16 04:04:27,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:04:27,853 INFO L85 PathProgramCache]: Analyzing trace with hash -969410714, now seen corresponding path program 1 times [2022-10-16 04:04:27,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:04:27,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663122903] [2022-10-16 04:04:27,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:04:27,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:04:28,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:04:28,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:04:28,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:04:28,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663122903] [2022-10-16 04:04:28,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663122903] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:04:28,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:04:28,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 04:04:28,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968070698] [2022-10-16 04:04:28,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:04:28,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:04:28,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:04:28,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:04:28,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:04:28,328 INFO L87 Difference]: Start difference. First operand 410 states and 591 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:28,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:04:28,421 INFO L93 Difference]: Finished difference Result 595 states and 873 transitions. [2022-10-16 04:04:28,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:04:28,421 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 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 148 [2022-10-16 04:04:28,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:04:28,426 INFO L225 Difference]: With dead ends: 595 [2022-10-16 04:04:28,427 INFO L226 Difference]: Without dead ends: 595 [2022-10-16 04:04:28,427 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:04:28,429 INFO L413 NwaCegarLoop]: 559 mSDtfsCounter, 357 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 935 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 [2022-10-16 04:04:28,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 935 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 04:04:28,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2022-10-16 04:04:28,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 593. [2022-10-16 04:04:28,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 593 states, 588 states have (on average 1.4829931972789117) internal successors, (872), 592 states have internal predecessors, (872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:28,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 872 transitions. [2022-10-16 04:04:28,457 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 872 transitions. Word has length 148 [2022-10-16 04:04:28,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:04:28,458 INFO L495 AbstractCegarLoop]: Abstraction has 593 states and 872 transitions. [2022-10-16 04:04:28,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:28,459 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 872 transitions. [2022-10-16 04:04:28,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-10-16 04:04:28,463 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:04:28,463 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] [2022-10-16 04:04:28,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 04:04:28,464 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)] === [2022-10-16 04:04:28,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:04:28,465 INFO L85 PathProgramCache]: Analyzing trace with hash -1257328890, now seen corresponding path program 1 times [2022-10-16 04:04:28,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:04:28,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630798192] [2022-10-16 04:04:28,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:04:28,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:04:28,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:04:29,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:04:29,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:04:29,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630798192] [2022-10-16 04:04:29,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630798192] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:04:29,330 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:04:29,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:04:29,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059019296] [2022-10-16 04:04:29,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:04:29,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 04:04:29,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:04:29,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 04:04:29,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 04:04:29,333 INFO L87 Difference]: Start difference. First operand 593 states and 872 transitions. Second operand has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:29,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:04:29,436 INFO L93 Difference]: Finished difference Result 1149 states and 1669 transitions. [2022-10-16 04:04:29,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 04:04:29,437 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 states have internal predecessors, (148), 0 states have call successors, (0), 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 148 [2022-10-16 04:04:29,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:04:29,445 INFO L225 Difference]: With dead ends: 1149 [2022-10-16 04:04:29,445 INFO L226 Difference]: Without dead ends: 1149 [2022-10-16 04:04:29,449 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:04:29,454 INFO L413 NwaCegarLoop]: 957 mSDtfsCounter, 1262 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1262 SdHoareTripleChecker+Valid, 1492 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:04:29,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1262 Valid, 1492 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 04:04:29,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1149 states. [2022-10-16 04:04:29,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1149 to 1123. [2022-10-16 04:04:29,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1123 states, 1118 states have (on average 1.4695885509838997) internal successors, (1643), 1122 states have internal predecessors, (1643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:29,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 1123 states and 1643 transitions. [2022-10-16 04:04:29,503 INFO L78 Accepts]: Start accepts. Automaton has 1123 states and 1643 transitions. Word has length 148 [2022-10-16 04:04:29,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:04:29,504 INFO L495 AbstractCegarLoop]: Abstraction has 1123 states and 1643 transitions. [2022-10-16 04:04:29,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:29,505 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1643 transitions. [2022-10-16 04:04:29,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-10-16 04:04:29,510 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:04:29,511 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] [2022-10-16 04:04:29,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 04:04:29,511 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)] === [2022-10-16 04:04:29,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:04:29,512 INFO L85 PathProgramCache]: Analyzing trace with hash 56469786, now seen corresponding path program 1 times [2022-10-16 04:04:29,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:04:29,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110215117] [2022-10-16 04:04:29,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:04:29,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:04:29,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:04:29,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:04:29,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:04:29,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110215117] [2022-10-16 04:04:29,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110215117] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:04:29,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:04:29,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 04:04:29,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779068470] [2022-10-16 04:04:29,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:04:29,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:04:29,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:04:29,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:04:29,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:04:29,649 INFO L87 Difference]: Start difference. First operand 1123 states and 1643 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:29,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:04:29,711 INFO L93 Difference]: Finished difference Result 2236 states and 3269 transitions. [2022-10-16 04:04:29,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:04:29,714 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 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 149 [2022-10-16 04:04:29,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:04:29,731 INFO L225 Difference]: With dead ends: 2236 [2022-10-16 04:04:29,732 INFO L226 Difference]: Without dead ends: 2236 [2022-10-16 04:04:29,732 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:04:29,743 INFO L413 NwaCegarLoop]: 787 mSDtfsCounter, 580 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 580 SdHoareTripleChecker+Valid, 1369 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 [2022-10-16 04:04:29,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [580 Valid, 1369 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:04:29,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2236 states. [2022-10-16 04:04:29,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2236 to 1125. [2022-10-16 04:04:29,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1125 states, 1120 states have (on average 1.46875) internal successors, (1645), 1124 states have internal predecessors, (1645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:29,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 1125 states and 1645 transitions. [2022-10-16 04:04:29,819 INFO L78 Accepts]: Start accepts. Automaton has 1125 states and 1645 transitions. Word has length 149 [2022-10-16 04:04:29,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:04:29,819 INFO L495 AbstractCegarLoop]: Abstraction has 1125 states and 1645 transitions. [2022-10-16 04:04:29,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:29,822 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 1645 transitions. [2022-10-16 04:04:29,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-10-16 04:04:29,828 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:04:29,829 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] [2022-10-16 04:04:29,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 04:04:29,830 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)] === [2022-10-16 04:04:29,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:04:29,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1493517127, now seen corresponding path program 1 times [2022-10-16 04:04:29,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:04:29,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377421293] [2022-10-16 04:04:29,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:04:29,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:04:29,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:04:30,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:04:30,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:04:30,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377421293] [2022-10-16 04:04:30,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377421293] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:04:30,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:04:30,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:04:30,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693367820] [2022-10-16 04:04:30,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:04:30,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 04:04:30,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:04:30,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 04:04:30,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 04:04:30,256 INFO L87 Difference]: Start difference. First operand 1125 states and 1645 transitions. Second operand has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:30,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:04:30,350 INFO L93 Difference]: Finished difference Result 2162 states and 3119 transitions. [2022-10-16 04:04:30,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 04:04:30,351 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 states have internal predecessors, (150), 0 states have call successors, (0), 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 150 [2022-10-16 04:04:30,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:04:30,363 INFO L225 Difference]: With dead ends: 2162 [2022-10-16 04:04:30,363 INFO L226 Difference]: Without dead ends: 2162 [2022-10-16 04:04:30,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:04:30,365 INFO L413 NwaCegarLoop]: 955 mSDtfsCounter, 1235 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1235 SdHoareTripleChecker+Valid, 1494 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 [2022-10-16 04:04:30,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1235 Valid, 1494 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 04:04:30,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2162 states. [2022-10-16 04:04:30,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2162 to 2136. [2022-10-16 04:04:30,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2136 states, 2131 states have (on average 1.4514312529328954) internal successors, (3093), 2135 states have internal predecessors, (3093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:30,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2136 states to 2136 states and 3093 transitions. [2022-10-16 04:04:30,465 INFO L78 Accepts]: Start accepts. Automaton has 2136 states and 3093 transitions. Word has length 150 [2022-10-16 04:04:30,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:04:30,465 INFO L495 AbstractCegarLoop]: Abstraction has 2136 states and 3093 transitions. [2022-10-16 04:04:30,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:30,466 INFO L276 IsEmpty]: Start isEmpty. Operand 2136 states and 3093 transitions. [2022-10-16 04:04:30,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-10-16 04:04:30,472 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:04:30,473 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] [2022-10-16 04:04:30,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 04:04:30,473 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)] === [2022-10-16 04:04:30,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:04:30,474 INFO L85 PathProgramCache]: Analyzing trace with hash 403786939, now seen corresponding path program 1 times [2022-10-16 04:04:30,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:04:30,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416643603] [2022-10-16 04:04:30,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:04:30,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:04:30,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:04:30,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:04:30,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:04:30,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416643603] [2022-10-16 04:04:30,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416643603] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:04:30,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:04:30,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 04:04:30,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239885868] [2022-10-16 04:04:30,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:04:30,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:04:30,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:04:30,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:04:30,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:04:30,614 INFO L87 Difference]: Start difference. First operand 2136 states and 3093 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:30,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:04:30,664 INFO L93 Difference]: Finished difference Result 4240 states and 6133 transitions. [2022-10-16 04:04:30,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:04:30,665 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 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 151 [2022-10-16 04:04:30,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:04:30,687 INFO L225 Difference]: With dead ends: 4240 [2022-10-16 04:04:30,688 INFO L226 Difference]: Without dead ends: 4240 [2022-10-16 04:04:30,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:04:30,689 INFO L413 NwaCegarLoop]: 1154 mSDtfsCounter, 566 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 566 SdHoareTripleChecker+Valid, 1736 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 [2022-10-16 04:04:30,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [566 Valid, 1736 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:04:30,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4240 states. [2022-10-16 04:04:30,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4240 to 2140. [2022-10-16 04:04:30,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2140 states, 2135 states have (on average 1.4505854800936768) internal successors, (3097), 2139 states have internal predecessors, (3097), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:30,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 3097 transitions. [2022-10-16 04:04:30,798 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 3097 transitions. Word has length 151 [2022-10-16 04:04:30,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:04:30,799 INFO L495 AbstractCegarLoop]: Abstraction has 2140 states and 3097 transitions. [2022-10-16 04:04:30,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:30,799 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 3097 transitions. [2022-10-16 04:04:30,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-10-16 04:04:30,804 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:04:30,804 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] [2022-10-16 04:04:30,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 04:04:30,805 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)] === [2022-10-16 04:04:30,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:04:30,806 INFO L85 PathProgramCache]: Analyzing trace with hash -865780987, now seen corresponding path program 1 times [2022-10-16 04:04:30,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:04:30,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803120526] [2022-10-16 04:04:30,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:04:30,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:04:30,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:04:30,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:04:30,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:04:30,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803120526] [2022-10-16 04:04:30,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803120526] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:04:30,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:04:30,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 04:04:30,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272276557] [2022-10-16 04:04:30,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:04:30,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:04:30,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:04:30,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:04:30,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:04:30,962 INFO L87 Difference]: Start difference. First operand 2140 states and 3097 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:31,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:04:31,041 INFO L93 Difference]: Finished difference Result 3769 states and 5366 transitions. [2022-10-16 04:04:31,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:04:31,042 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 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 152 [2022-10-16 04:04:31,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:04:31,062 INFO L225 Difference]: With dead ends: 3769 [2022-10-16 04:04:31,062 INFO L226 Difference]: Without dead ends: 3769 [2022-10-16 04:04:31,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:04:31,064 INFO L413 NwaCegarLoop]: 1116 mSDtfsCounter, 506 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 506 SdHoareTripleChecker+Valid, 1661 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:04:31,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [506 Valid, 1661 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:04:31,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3769 states. [2022-10-16 04:04:31,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3769 to 3743. [2022-10-16 04:04:31,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3743 states, 3738 states have (on average 1.4285714285714286) internal successors, (5340), 3742 states have internal predecessors, (5340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:31,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3743 states to 3743 states and 5340 transitions. [2022-10-16 04:04:31,196 INFO L78 Accepts]: Start accepts. Automaton has 3743 states and 5340 transitions. Word has length 152 [2022-10-16 04:04:31,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:04:31,196 INFO L495 AbstractCegarLoop]: Abstraction has 3743 states and 5340 transitions. [2022-10-16 04:04:31,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:31,197 INFO L276 IsEmpty]: Start isEmpty. Operand 3743 states and 5340 transitions. [2022-10-16 04:04:31,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-10-16 04:04:31,232 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:04:31,232 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] [2022-10-16 04:04:31,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 04:04:31,233 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)] === [2022-10-16 04:04:31,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:04:31,234 INFO L85 PathProgramCache]: Analyzing trace with hash 471058402, now seen corresponding path program 1 times [2022-10-16 04:04:31,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:04:31,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165652332] [2022-10-16 04:04:31,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:04:31,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:04:31,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:04:31,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:04:31,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:04:31,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165652332] [2022-10-16 04:04:31,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165652332] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:04:31,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:04:31,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 04:04:31,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33929408] [2022-10-16 04:04:31,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:04:31,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 04:04:31,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:04:31,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 04:04:31,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:04:31,677 INFO L87 Difference]: Start difference. First operand 3743 states and 5340 transitions. Second operand has 5 states, 5 states have (on average 30.4) internal successors, (152), 5 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:31,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:04:31,828 INFO L93 Difference]: Finished difference Result 6944 states and 9798 transitions. [2022-10-16 04:04:31,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 04:04:31,829 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.4) internal successors, (152), 5 states have internal predecessors, (152), 0 states have call successors, (0), 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 152 [2022-10-16 04:04:31,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:04:31,864 INFO L225 Difference]: With dead ends: 6944 [2022-10-16 04:04:31,864 INFO L226 Difference]: Without dead ends: 6944 [2022-10-16 04:04:31,865 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 [2022-10-16 04:04:31,866 INFO L413 NwaCegarLoop]: 997 mSDtfsCounter, 1085 mSDsluCounter, 1054 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1085 SdHoareTripleChecker+Valid, 2051 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:04:31,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1085 Valid, 2051 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 04:04:31,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6944 states. [2022-10-16 04:04:32,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6944 to 6923. [2022-10-16 04:04:32,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6923 states, 6918 states have (on average 1.413847932928592) internal successors, (9781), 6922 states have internal predecessors, (9781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:32,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6923 states to 6923 states and 9781 transitions. [2022-10-16 04:04:32,094 INFO L78 Accepts]: Start accepts. Automaton has 6923 states and 9781 transitions. Word has length 152 [2022-10-16 04:04:32,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:04:32,095 INFO L495 AbstractCegarLoop]: Abstraction has 6923 states and 9781 transitions. [2022-10-16 04:04:32,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.4) internal successors, (152), 5 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:32,103 INFO L276 IsEmpty]: Start isEmpty. Operand 6923 states and 9781 transitions. [2022-10-16 04:04:32,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-10-16 04:04:32,140 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:04:32,141 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] [2022-10-16 04:04:32,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 04:04:32,141 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)] === [2022-10-16 04:04:32,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:04:32,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1318458360, now seen corresponding path program 1 times [2022-10-16 04:04:32,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:04:32,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456572276] [2022-10-16 04:04:32,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:04:32,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:04:32,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:04:32,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:04:32,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:04:32,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456572276] [2022-10-16 04:04:32,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456572276] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:04:32,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:04:32,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:04:32,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896542491] [2022-10-16 04:04:32,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:04:32,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 04:04:32,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:04:32,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 04:04:32,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 04:04:32,741 INFO L87 Difference]: Start difference. First operand 6923 states and 9781 transitions. Second operand has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:32,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:04:32,873 INFO L93 Difference]: Finished difference Result 7336 states and 10259 transitions. [2022-10-16 04:04:32,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 04:04:32,874 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 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 152 [2022-10-16 04:04:32,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:04:32,918 INFO L225 Difference]: With dead ends: 7336 [2022-10-16 04:04:32,918 INFO L226 Difference]: Without dead ends: 7336 [2022-10-16 04:04:32,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:04:32,920 INFO L413 NwaCegarLoop]: 1001 mSDtfsCounter, 1162 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1162 SdHoareTripleChecker+Valid, 1540 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:04:32,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1162 Valid, 1540 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 04:04:32,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7336 states. [2022-10-16 04:04:33,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7336 to 7151. [2022-10-16 04:04:33,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7151 states, 7146 states have (on average 1.4045619927232018) internal successors, (10037), 7150 states have internal predecessors, (10037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:33,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7151 states to 7151 states and 10037 transitions. [2022-10-16 04:04:33,194 INFO L78 Accepts]: Start accepts. Automaton has 7151 states and 10037 transitions. Word has length 152 [2022-10-16 04:04:33,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:04:33,195 INFO L495 AbstractCegarLoop]: Abstraction has 7151 states and 10037 transitions. [2022-10-16 04:04:33,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:33,195 INFO L276 IsEmpty]: Start isEmpty. Operand 7151 states and 10037 transitions. [2022-10-16 04:04:33,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-10-16 04:04:33,208 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:04:33,209 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] [2022-10-16 04:04:33,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 04:04:33,209 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)] === [2022-10-16 04:04:33,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:04:33,210 INFO L85 PathProgramCache]: Analyzing trace with hash -756425508, now seen corresponding path program 1 times [2022-10-16 04:04:33,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:04:33,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361795113] [2022-10-16 04:04:33,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:04:33,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:04:33,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:04:33,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:04:33,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:04:33,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361795113] [2022-10-16 04:04:33,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361795113] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:04:33,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:04:33,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 04:04:33,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103132953] [2022-10-16 04:04:33,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:04:33,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:04:33,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:04:33,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:04:33,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:04:33,315 INFO L87 Difference]: Start difference. First operand 7151 states and 10037 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) [2022-10-16 04:04:33,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:04:33,409 INFO L93 Difference]: Finished difference Result 14177 states and 19881 transitions. [2022-10-16 04:04:33,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:04:33,410 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 [2022-10-16 04:04:33,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:04:33,447 INFO L225 Difference]: With dead ends: 14177 [2022-10-16 04:04:33,447 INFO L226 Difference]: Without dead ends: 14177 [2022-10-16 04:04:33,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:04:33,448 INFO L413 NwaCegarLoop]: 1140 mSDtfsCounter, 552 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 552 SdHoareTripleChecker+Valid, 1722 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 [2022-10-16 04:04:33,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [552 Valid, 1722 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:04:33,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14177 states. [2022-10-16 04:04:33,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14177 to 7167. [2022-10-16 04:04:33,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7167 states, 7162 states have (on average 1.4036581960346273) internal successors, (10053), 7166 states have internal predecessors, (10053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:33,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7167 states to 7167 states and 10053 transitions. [2022-10-16 04:04:33,700 INFO L78 Accepts]: Start accepts. Automaton has 7167 states and 10053 transitions. Word has length 153 [2022-10-16 04:04:33,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:04:33,700 INFO L495 AbstractCegarLoop]: Abstraction has 7167 states and 10053 transitions. [2022-10-16 04:04:33,701 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) [2022-10-16 04:04:33,702 INFO L276 IsEmpty]: Start isEmpty. Operand 7167 states and 10053 transitions. [2022-10-16 04:04:33,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-10-16 04:04:33,714 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:04:33,714 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] [2022-10-16 04:04:33,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 04:04:33,715 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)] === [2022-10-16 04:04:33,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:04:33,716 INFO L85 PathProgramCache]: Analyzing trace with hash -1459255993, now seen corresponding path program 1 times [2022-10-16 04:04:33,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:04:33,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868427045] [2022-10-16 04:04:33,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:04:33,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:04:33,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:04:34,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:04:34,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:04:34,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868427045] [2022-10-16 04:04:34,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868427045] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:04:34,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:04:34,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 04:04:34,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344146185] [2022-10-16 04:04:34,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:04:34,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 04:04:34,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:04:34,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 04:04:34,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:04:34,202 INFO L87 Difference]: Start difference. First operand 7167 states and 10053 transitions. Second operand has 5 states, 5 states have (on average 30.8) internal successors, (154), 5 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:34,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:04:34,354 INFO L93 Difference]: Finished difference Result 13816 states and 19080 transitions. [2022-10-16 04:04:34,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 04:04:34,355 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.8) internal successors, (154), 5 states have internal predecessors, (154), 0 states have call successors, (0), 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 154 [2022-10-16 04:04:34,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:04:34,384 INFO L225 Difference]: With dead ends: 13816 [2022-10-16 04:04:34,385 INFO L226 Difference]: Without dead ends: 13816 [2022-10-16 04:04:34,385 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 [2022-10-16 04:04:34,386 INFO L413 NwaCegarLoop]: 1007 mSDtfsCounter, 1744 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1744 SdHoareTripleChecker+Valid, 1542 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:04:34,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1744 Valid, 1542 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 04:04:34,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13816 states. [2022-10-16 04:04:34,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13816 to 13786. [2022-10-16 04:04:34,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13786 states, 13781 states have (on average 1.3821928742471519) internal successors, (19048), 13785 states have internal predecessors, (19048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:34,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13786 states to 13786 states and 19048 transitions. [2022-10-16 04:04:34,705 INFO L78 Accepts]: Start accepts. Automaton has 13786 states and 19048 transitions. Word has length 154 [2022-10-16 04:04:34,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:04:34,706 INFO L495 AbstractCegarLoop]: Abstraction has 13786 states and 19048 transitions. [2022-10-16 04:04:34,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.8) internal successors, (154), 5 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:34,707 INFO L276 IsEmpty]: Start isEmpty. Operand 13786 states and 19048 transitions. [2022-10-16 04:04:34,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-10-16 04:04:34,733 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:04:34,733 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] [2022-10-16 04:04:34,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 04:04:34,734 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)] === [2022-10-16 04:04:34,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:04:34,734 INFO L85 PathProgramCache]: Analyzing trace with hash 2098194761, now seen corresponding path program 1 times [2022-10-16 04:04:34,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:04:34,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68241791] [2022-10-16 04:04:34,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:04:34,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:04:34,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:04:35,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:04:35,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:04:35,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68241791] [2022-10-16 04:04:35,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68241791] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:04:35,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:04:35,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:04:35,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763811764] [2022-10-16 04:04:35,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:04:35,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 04:04:35,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:04:35,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 04:04:35,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 04:04:35,186 INFO L87 Difference]: Start difference. First operand 13786 states and 19048 transitions. Second operand has 4 states, 4 states have (on average 38.5) internal successors, (154), 4 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:35,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:04:35,259 INFO L93 Difference]: Finished difference Result 11068 states and 15104 transitions. [2022-10-16 04:04:35,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 04:04:35,260 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.5) internal successors, (154), 4 states have internal predecessors, (154), 0 states have call successors, (0), 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 154 [2022-10-16 04:04:35,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:04:35,282 INFO L225 Difference]: With dead ends: 11068 [2022-10-16 04:04:35,283 INFO L226 Difference]: Without dead ends: 10567 [2022-10-16 04:04:35,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:04:35,284 INFO L413 NwaCegarLoop]: 633 mSDtfsCounter, 65 mSDsluCounter, 1171 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 1804 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 [2022-10-16 04:04:35,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 1804 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:04:35,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10567 states. [2022-10-16 04:04:35,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10567 to 10567. [2022-10-16 04:04:35,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10567 states, 10562 states have (on average 1.3801363378148077) internal successors, (14577), 10566 states have internal predecessors, (14577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:35,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10567 states to 10567 states and 14577 transitions. [2022-10-16 04:04:35,525 INFO L78 Accepts]: Start accepts. Automaton has 10567 states and 14577 transitions. Word has length 154 [2022-10-16 04:04:35,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:04:35,525 INFO L495 AbstractCegarLoop]: Abstraction has 10567 states and 14577 transitions. [2022-10-16 04:04:35,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.5) internal successors, (154), 4 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:35,526 INFO L276 IsEmpty]: Start isEmpty. Operand 10567 states and 14577 transitions. [2022-10-16 04:04:35,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-10-16 04:04:35,543 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:04:35,543 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] [2022-10-16 04:04:35,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 04:04:35,544 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)] === [2022-10-16 04:04:35,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:04:35,545 INFO L85 PathProgramCache]: Analyzing trace with hash 2135177219, now seen corresponding path program 1 times [2022-10-16 04:04:35,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:04:35,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132608703] [2022-10-16 04:04:35,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:04:35,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:04:35,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:04:35,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:04:35,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:04:35,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132608703] [2022-10-16 04:04:35,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132608703] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:04:35,716 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:04:35,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 04:04:35,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200603346] [2022-10-16 04:04:35,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:04:35,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:04:35,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:04:35,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:04:35,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:04:35,718 INFO L87 Difference]: Start difference. First operand 10567 states and 14577 transitions. Second operand has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:35,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:04:35,821 INFO L93 Difference]: Finished difference Result 15072 states and 21193 transitions. [2022-10-16 04:04:35,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:04:35,822 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 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 156 [2022-10-16 04:04:35,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:04:35,853 INFO L225 Difference]: With dead ends: 15072 [2022-10-16 04:04:35,853 INFO L226 Difference]: Without dead ends: 15072 [2022-10-16 04:04:35,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:04:35,855 INFO L413 NwaCegarLoop]: 784 mSDtfsCounter, 307 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 1240 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:04:35,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 1240 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:04:35,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15072 states. [2022-10-16 04:04:36,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15072 to 13229. [2022-10-16 04:04:36,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13229 states, 13224 states have (on average 1.4232456140350878) internal successors, (18821), 13228 states have internal predecessors, (18821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:36,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13229 states to 13229 states and 18821 transitions. [2022-10-16 04:04:36,146 INFO L78 Accepts]: Start accepts. Automaton has 13229 states and 18821 transitions. Word has length 156 [2022-10-16 04:04:36,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:04:36,146 INFO L495 AbstractCegarLoop]: Abstraction has 13229 states and 18821 transitions. [2022-10-16 04:04:36,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:36,147 INFO L276 IsEmpty]: Start isEmpty. Operand 13229 states and 18821 transitions. [2022-10-16 04:04:36,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-10-16 04:04:36,164 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:04:36,165 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] [2022-10-16 04:04:36,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 04:04:36,165 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-16 04:04:36,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:04:36,166 INFO L85 PathProgramCache]: Analyzing trace with hash 787037030, now seen corresponding path program 1 times [2022-10-16 04:04:36,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:04:36,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897610096] [2022-10-16 04:04:36,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:04:36,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:04:36,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:04:36,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:04:36,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:04:36,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897610096] [2022-10-16 04:04:36,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897610096] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:04:36,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:04:36,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 04:04:36,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75019275] [2022-10-16 04:04:36,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:04:36,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:04:36,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:04:36,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:04:36,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:04:36,290 INFO L87 Difference]: Start difference. First operand 13229 states and 18821 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:36,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:04:36,415 INFO L93 Difference]: Finished difference Result 18979 states and 27526 transitions. [2022-10-16 04:04:36,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:04:36,416 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 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 158 [2022-10-16 04:04:36,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:04:36,527 INFO L225 Difference]: With dead ends: 18979 [2022-10-16 04:04:36,527 INFO L226 Difference]: Without dead ends: 18979 [2022-10-16 04:04:36,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:04:36,529 INFO L413 NwaCegarLoop]: 805 mSDtfsCounter, 336 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 1238 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:04:36,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 1238 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:04:36,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18979 states. [2022-10-16 04:04:36,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18979 to 17341. [2022-10-16 04:04:36,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17341 states, 17336 states have (on average 1.4595639132441163) internal successors, (25303), 17340 states have internal predecessors, (25303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:36,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17341 states to 17341 states and 25303 transitions. [2022-10-16 04:04:36,905 INFO L78 Accepts]: Start accepts. Automaton has 17341 states and 25303 transitions. Word has length 158 [2022-10-16 04:04:36,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:04:36,906 INFO L495 AbstractCegarLoop]: Abstraction has 17341 states and 25303 transitions. [2022-10-16 04:04:36,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:36,906 INFO L276 IsEmpty]: Start isEmpty. Operand 17341 states and 25303 transitions. [2022-10-16 04:04:36,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-10-16 04:04:36,925 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:04:36,925 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] [2022-10-16 04:04:36,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 04:04:36,926 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)] === [2022-10-16 04:04:36,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:04:36,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1606523445, now seen corresponding path program 1 times [2022-10-16 04:04:36,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:04:36,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603886088] [2022-10-16 04:04:36,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:04:36,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:04:37,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:04:37,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:04:37,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:04:37,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603886088] [2022-10-16 04:04:37,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603886088] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:04:37,450 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:04:37,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:04:37,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279953783] [2022-10-16 04:04:37,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:04:37,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 04:04:37,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:04:37,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 04:04:37,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 04:04:37,453 INFO L87 Difference]: Start difference. First operand 17341 states and 25303 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) [2022-10-16 04:04:37,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:04:37,673 INFO L93 Difference]: Finished difference Result 28052 states and 40348 transitions. [2022-10-16 04:04:37,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 04:04:37,674 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 [2022-10-16 04:04:37,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:04:37,741 INFO L225 Difference]: With dead ends: 28052 [2022-10-16 04:04:37,741 INFO L226 Difference]: Without dead ends: 28052 [2022-10-16 04:04:37,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:04:37,745 INFO L413 NwaCegarLoop]: 1002 mSDtfsCounter, 1152 mSDsluCounter, 515 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1152 SdHoareTripleChecker+Valid, 1517 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:04:37,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1152 Valid, 1517 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 04:04:37,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28052 states. [2022-10-16 04:04:38,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28052 to 28028. [2022-10-16 04:04:38,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28028 states, 28023 states have (on average 1.4390322235306712) internal successors, (40326), 28027 states have internal predecessors, (40326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:38,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28028 states to 28028 states and 40326 transitions. [2022-10-16 04:04:38,730 INFO L78 Accepts]: Start accepts. Automaton has 28028 states and 40326 transitions. Word has length 159 [2022-10-16 04:04:38,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:04:38,731 INFO L495 AbstractCegarLoop]: Abstraction has 28028 states and 40326 transitions. [2022-10-16 04:04:38,732 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) [2022-10-16 04:04:38,732 INFO L276 IsEmpty]: Start isEmpty. Operand 28028 states and 40326 transitions. [2022-10-16 04:04:38,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-10-16 04:04:38,761 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:04:38,762 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] [2022-10-16 04:04:38,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 04:04:38,762 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)] === [2022-10-16 04:04:38,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:04:38,763 INFO L85 PathProgramCache]: Analyzing trace with hash 883442860, now seen corresponding path program 1 times [2022-10-16 04:04:38,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:04:38,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375495487] [2022-10-16 04:04:38,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:04:38,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:04:38,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:04:39,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:04:39,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:04:39,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375495487] [2022-10-16 04:04:39,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375495487] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:04:39,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:04:39,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:04:39,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930350157] [2022-10-16 04:04:39,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:04:39,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 04:04:39,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:04:39,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 04:04:39,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 04:04:39,169 INFO L87 Difference]: Start difference. First operand 28028 states and 40326 transitions. Second operand has 4 states, 4 states have (on average 40.25) internal successors, (161), 4 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:39,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:04:39,328 INFO L93 Difference]: Finished difference Result 23195 states and 33173 transitions. [2022-10-16 04:04:39,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 04:04:39,329 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.25) internal successors, (161), 4 states have internal predecessors, (161), 0 states have call successors, (0), 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 161 [2022-10-16 04:04:39,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:04:39,379 INFO L225 Difference]: With dead ends: 23195 [2022-10-16 04:04:39,379 INFO L226 Difference]: Without dead ends: 22873 [2022-10-16 04:04:39,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:04:39,380 INFO L413 NwaCegarLoop]: 619 mSDtfsCounter, 53 mSDsluCounter, 1156 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 1775 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 [2022-10-16 04:04:39,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 1775 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:04:39,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22873 states. [2022-10-16 04:04:39,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22873 to 22873. [2022-10-16 04:04:39,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22873 states, 22868 states have (on average 1.4361553262200455) internal successors, (32842), 22872 states have internal predecessors, (32842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:40,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22873 states to 22873 states and 32842 transitions. [2022-10-16 04:04:40,048 INFO L78 Accepts]: Start accepts. Automaton has 22873 states and 32842 transitions. Word has length 161 [2022-10-16 04:04:40,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:04:40,049 INFO L495 AbstractCegarLoop]: Abstraction has 22873 states and 32842 transitions. [2022-10-16 04:04:40,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.25) internal successors, (161), 4 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:40,049 INFO L276 IsEmpty]: Start isEmpty. Operand 22873 states and 32842 transitions. [2022-10-16 04:04:40,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-10-16 04:04:40,077 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:04:40,077 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] [2022-10-16 04:04:40,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 04:04:40,079 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)] === [2022-10-16 04:04:40,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:04:40,079 INFO L85 PathProgramCache]: Analyzing trace with hash -424216235, now seen corresponding path program 1 times [2022-10-16 04:04:40,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:04:40,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317106062] [2022-10-16 04:04:40,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:04:40,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:04:40,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:04:40,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:04:40,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:04:40,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317106062] [2022-10-16 04:04:40,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317106062] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:04:40,330 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:04:40,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 04:04:40,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31429444] [2022-10-16 04:04:40,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:04:40,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:04:40,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:04:40,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:04:40,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:04:40,332 INFO L87 Difference]: Start difference. First operand 22873 states and 32842 transitions. Second operand has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 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) [2022-10-16 04:04:40,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:04:40,510 INFO L93 Difference]: Finished difference Result 34271 states and 49946 transitions. [2022-10-16 04:04:40,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:04:40,511 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 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 [2022-10-16 04:04:40,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:04:40,593 INFO L225 Difference]: With dead ends: 34271 [2022-10-16 04:04:40,593 INFO L226 Difference]: Without dead ends: 34271 [2022-10-16 04:04:40,594 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:04:40,595 INFO L413 NwaCegarLoop]: 777 mSDtfsCounter, 303 mSDsluCounter, 442 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 1219 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:04:40,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 1219 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:04:40,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34271 states. [2022-10-16 04:04:41,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34271 to 31753. [2022-10-16 04:04:41,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31753 states, 31748 states have (on average 1.4697618747637646) internal successors, (46662), 31752 states have internal predecessors, (46662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:41,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31753 states to 31753 states and 46662 transitions. [2022-10-16 04:04:41,721 INFO L78 Accepts]: Start accepts. Automaton has 31753 states and 46662 transitions. Word has length 165 [2022-10-16 04:04:41,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:04:41,721 INFO L495 AbstractCegarLoop]: Abstraction has 31753 states and 46662 transitions. [2022-10-16 04:04:41,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 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) [2022-10-16 04:04:41,722 INFO L276 IsEmpty]: Start isEmpty. Operand 31753 states and 46662 transitions. [2022-10-16 04:04:41,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-10-16 04:04:41,746 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:04:41,746 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, 1] [2022-10-16 04:04:41,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 04:04:41,747 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-16 04:04:41,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:04:41,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1525395194, now seen corresponding path program 1 times [2022-10-16 04:04:41,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:04:41,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109908053] [2022-10-16 04:04:41,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:04:41,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:04:41,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:04:42,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:04:42,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:04:42,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109908053] [2022-10-16 04:04:42,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109908053] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:04:42,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:04:42,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:04:42,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9993446] [2022-10-16 04:04:42,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:04:42,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:04:42,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:04:42,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:04:42,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:04:42,687 INFO L87 Difference]: Start difference. First operand 31753 states and 46662 transitions. Second operand has 9 states, 9 states have (on average 18.444444444444443) internal successors, (166), 8 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:44,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:04:44,299 INFO L93 Difference]: Finished difference Result 126451 states and 187303 transitions. [2022-10-16 04:04:44,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 04:04:44,300 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 18.444444444444443) internal successors, (166), 8 states have internal predecessors, (166), 0 states have call successors, (0), 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 166 [2022-10-16 04:04:44,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:04:44,674 INFO L225 Difference]: With dead ends: 126451 [2022-10-16 04:04:44,674 INFO L226 Difference]: Without dead ends: 126451 [2022-10-16 04:04:44,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=121, Invalid=221, Unknown=0, NotChecked=0, Total=342 [2022-10-16 04:04:44,675 INFO L413 NwaCegarLoop]: 446 mSDtfsCounter, 5919 mSDsluCounter, 2264 mSDsCounter, 0 mSdLazyCounter, 813 mSolverCounterSat, 303 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5919 SdHoareTripleChecker+Valid, 2710 SdHoareTripleChecker+Invalid, 1116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 303 IncrementalHoareTripleChecker+Valid, 813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 04:04:44,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5919 Valid, 2710 Invalid, 1116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [303 Valid, 813 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 04:04:44,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126451 states. [2022-10-16 04:04:46,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126451 to 85305. [2022-10-16 04:04:47,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85305 states, 85300 states have (on average 1.47989449003517) internal successors, (126235), 85304 states have internal predecessors, (126235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:47,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85305 states to 85305 states and 126235 transitions. [2022-10-16 04:04:47,274 INFO L78 Accepts]: Start accepts. Automaton has 85305 states and 126235 transitions. Word has length 166 [2022-10-16 04:04:47,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:04:47,275 INFO L495 AbstractCegarLoop]: Abstraction has 85305 states and 126235 transitions. [2022-10-16 04:04:47,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 18.444444444444443) internal successors, (166), 8 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:47,276 INFO L276 IsEmpty]: Start isEmpty. Operand 85305 states and 126235 transitions. [2022-10-16 04:04:47,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-10-16 04:04:47,306 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:04:47,306 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, 1] [2022-10-16 04:04:47,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 04:04:47,307 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-16 04:04:47,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:04:47,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1116845734, now seen corresponding path program 1 times [2022-10-16 04:04:47,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:04:47,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960831942] [2022-10-16 04:04:47,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:04:47,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:04:47,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:04:48,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:04:48,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:04:48,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960831942] [2022-10-16 04:04:48,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960831942] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:04:48,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:04:48,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:04:48,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097134834] [2022-10-16 04:04:48,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:04:48,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 04:04:48,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:04:48,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 04:04:48,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 04:04:48,314 INFO L87 Difference]: Start difference. First operand 85305 states and 126235 transitions. Second operand has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:49,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:04:49,127 INFO L93 Difference]: Finished difference Result 106417 states and 158571 transitions. [2022-10-16 04:04:49,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 04:04:49,128 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 0 states have call successors, (0), 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 166 [2022-10-16 04:04:49,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:04:49,349 INFO L225 Difference]: With dead ends: 106417 [2022-10-16 04:04:49,350 INFO L226 Difference]: Without dead ends: 106417 [2022-10-16 04:04:49,350 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 [2022-10-16 04:04:49,351 INFO L413 NwaCegarLoop]: 532 mSDtfsCounter, 758 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 758 SdHoareTripleChecker+Valid, 1061 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:04:49,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [758 Valid, 1061 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 04:04:49,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106417 states. [2022-10-16 04:04:51,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106417 to 106415. [2022-10-16 04:04:51,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106415 states, 106410 states have (on average 1.4901794944084203) internal successors, (158570), 106414 states have internal predecessors, (158570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:52,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106415 states to 106415 states and 158570 transitions. [2022-10-16 04:04:52,060 INFO L78 Accepts]: Start accepts. Automaton has 106415 states and 158570 transitions. Word has length 166 [2022-10-16 04:04:52,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:04:52,060 INFO L495 AbstractCegarLoop]: Abstraction has 106415 states and 158570 transitions. [2022-10-16 04:04:52,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:52,066 INFO L276 IsEmpty]: Start isEmpty. Operand 106415 states and 158570 transitions. [2022-10-16 04:04:52,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-10-16 04:04:52,114 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:04:52,114 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, 1] [2022-10-16 04:04:52,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 04:04:52,118 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-16 04:04:52,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:04:52,118 INFO L85 PathProgramCache]: Analyzing trace with hash 575303427, now seen corresponding path program 1 times [2022-10-16 04:04:52,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:04:52,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970516522] [2022-10-16 04:04:52,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:04:52,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:04:52,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:04:52,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:04:52,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:04:52,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970516522] [2022-10-16 04:04:52,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970516522] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:04:52,626 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:04:52,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:04:52,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376064688] [2022-10-16 04:04:52,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:04:52,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 04:04:52,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:04:52,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 04:04:52,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 04:04:52,628 INFO L87 Difference]: Start difference. First operand 106415 states and 158570 transitions. Second operand has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:52,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:04:52,948 INFO L93 Difference]: Finished difference Result 86752 states and 129176 transitions. [2022-10-16 04:04:52,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 04:04:52,949 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 0 states have call successors, (0), 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 166 [2022-10-16 04:04:52,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:04:53,587 INFO L225 Difference]: With dead ends: 86752 [2022-10-16 04:04:53,587 INFO L226 Difference]: Without dead ends: 86331 [2022-10-16 04:04:53,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:04:53,591 INFO L413 NwaCegarLoop]: 601 mSDtfsCounter, 41 mSDsluCounter, 1133 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 1734 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 [2022-10-16 04:04:53,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 1734 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:04:53,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86331 states. [2022-10-16 04:04:55,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86331 to 86331. [2022-10-16 04:04:55,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86331 states, 86326 states have (on average 1.491427843291708) internal successors, (128749), 86330 states have internal predecessors, (128749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:55,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86331 states to 86331 states and 128749 transitions. [2022-10-16 04:04:55,633 INFO L78 Accepts]: Start accepts. Automaton has 86331 states and 128749 transitions. Word has length 166 [2022-10-16 04:04:55,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:04:55,633 INFO L495 AbstractCegarLoop]: Abstraction has 86331 states and 128749 transitions. [2022-10-16 04:04:55,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:04:55,633 INFO L276 IsEmpty]: Start isEmpty. Operand 86331 states and 128749 transitions. [2022-10-16 04:04:55,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-10-16 04:04:55,653 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:04:55,653 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:04:55,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 04:04:55,654 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-16 04:04:55,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:04:55,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1400730614, now seen corresponding path program 1 times [2022-10-16 04:04:55,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:04:55,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318140987] [2022-10-16 04:04:55,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:04:55,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:04:55,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:04:56,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:04:56,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:04:56,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318140987] [2022-10-16 04:04:56,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318140987] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:04:56,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:04:56,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-16 04:04:56,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611858548] [2022-10-16 04:04:56,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:04:56,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 04:04:56,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:04:56,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 04:04:56,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2022-10-16 04:04:56,930 INFO L87 Difference]: Start difference. First operand 86331 states and 128749 transitions. Second operand has 13 states, 13 states have (on average 13.307692307692308) internal successors, (173), 12 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:05:00,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:05:00,662 INFO L93 Difference]: Finished difference Result 389574 states and 573525 transitions. [2022-10-16 04:05:00,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-10-16 04:05:00,663 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 13.307692307692308) internal successors, (173), 12 states have internal predecessors, (173), 0 states have call successors, (0), 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 173 [2022-10-16 04:05:00,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:05:01,468 INFO L225 Difference]: With dead ends: 389574 [2022-10-16 04:05:01,468 INFO L226 Difference]: Without dead ends: 389574 [2022-10-16 04:05:01,469 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=371, Invalid=819, Unknown=0, NotChecked=0, Total=1190 [2022-10-16 04:05:01,470 INFO L413 NwaCegarLoop]: 564 mSDtfsCounter, 10184 mSDsluCounter, 3282 mSDsCounter, 0 mSdLazyCounter, 1528 mSolverCounterSat, 522 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10184 SdHoareTripleChecker+Valid, 3846 SdHoareTripleChecker+Invalid, 2050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 522 IncrementalHoareTripleChecker+Valid, 1528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 04:05:01,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10184 Valid, 3846 Invalid, 2050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [522 Valid, 1528 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 04:05:01,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389574 states. [2022-10-16 04:05:06,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389574 to 191891. [2022-10-16 04:05:07,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191891 states, 191886 states have (on average 1.5030278394463379) internal successors, (288410), 191890 states have internal predecessors, (288410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:05:07,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191891 states to 191891 states and 288410 transitions. [2022-10-16 04:05:07,962 INFO L78 Accepts]: Start accepts. Automaton has 191891 states and 288410 transitions. Word has length 173 [2022-10-16 04:05:07,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:05:07,962 INFO L495 AbstractCegarLoop]: Abstraction has 191891 states and 288410 transitions. [2022-10-16 04:05:07,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 13.307692307692308) internal successors, (173), 12 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:05:07,962 INFO L276 IsEmpty]: Start isEmpty. Operand 191891 states and 288410 transitions. [2022-10-16 04:05:07,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-10-16 04:05:07,996 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:05:07,996 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:05:07,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 04:05:07,997 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-16 04:05:07,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:05:07,998 INFO L85 PathProgramCache]: Analyzing trace with hash 514096013, now seen corresponding path program 1 times [2022-10-16 04:05:07,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:05:07,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394384874] [2022-10-16 04:05:07,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:05:07,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:05:08,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:05:09,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:05:09,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:05:09,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394384874] [2022-10-16 04:05:09,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394384874] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:05:09,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:05:09,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 04:05:09,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52855011] [2022-10-16 04:05:09,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:05:09,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 04:05:09,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:05:09,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 04:05:09,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-10-16 04:05:09,130 INFO L87 Difference]: Start difference. First operand 191891 states and 288410 transitions. Second operand has 9 states, 9 states have (on average 19.22222222222222) internal successors, (173), 8 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:05:12,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:05:12,415 INFO L93 Difference]: Finished difference Result 482027 states and 716192 transitions. [2022-10-16 04:05:12,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 04:05:12,416 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 19.22222222222222) internal successors, (173), 8 states have internal predecessors, (173), 0 states have call successors, (0), 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 173 [2022-10-16 04:05:12,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:05:13,332 INFO L225 Difference]: With dead ends: 482027 [2022-10-16 04:05:13,332 INFO L226 Difference]: Without dead ends: 482027 [2022-10-16 04:05:13,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=121, Invalid=221, Unknown=0, NotChecked=0, Total=342 [2022-10-16 04:05:13,333 INFO L413 NwaCegarLoop]: 451 mSDtfsCounter, 6071 mSDsluCounter, 2195 mSDsCounter, 0 mSdLazyCounter, 704 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6071 SdHoareTripleChecker+Valid, 2646 SdHoareTripleChecker+Invalid, 898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 04:05:13,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6071 Valid, 2646 Invalid, 898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 704 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 04:05:13,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482027 states. [2022-10-16 04:05:19,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482027 to 273304. [2022-10-16 04:05:19,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273304 states, 273299 states have (on average 1.50012989436478) internal successors, (409984), 273303 states have internal predecessors, (409984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:05:21,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273304 states to 273304 states and 409984 transitions. [2022-10-16 04:05:21,293 INFO L78 Accepts]: Start accepts. Automaton has 273304 states and 409984 transitions. Word has length 173 [2022-10-16 04:05:21,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:05:21,302 INFO L495 AbstractCegarLoop]: Abstraction has 273304 states and 409984 transitions. [2022-10-16 04:05:21,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 19.22222222222222) internal successors, (173), 8 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:05:21,302 INFO L276 IsEmpty]: Start isEmpty. Operand 273304 states and 409984 transitions. [2022-10-16 04:05:21,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-10-16 04:05:21,338 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:05:21,338 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:05:21,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 04:05:21,339 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-16 04:05:21,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:05:21,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1413136777, now seen corresponding path program 1 times [2022-10-16 04:05:21,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:05:21,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020819364] [2022-10-16 04:05:21,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:05:21,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:05:21,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:05:21,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:05:21,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:05:21,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020819364] [2022-10-16 04:05:21,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020819364] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:05:21,639 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:05:21,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 04:05:21,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941815876] [2022-10-16 04:05:21,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:05:21,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 04:05:21,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:05:21,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 04:05:21,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 04:05:21,644 INFO L87 Difference]: Start difference. First operand 273304 states and 409984 transitions. Second operand has 8 states, 8 states have (on average 21.625) internal successors, (173), 7 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:05:25,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:05:25,772 INFO L93 Difference]: Finished difference Result 737082 states and 1076248 transitions. [2022-10-16 04:05:25,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 04:05:25,773 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.625) internal successors, (173), 7 states have internal predecessors, (173), 0 states have call successors, (0), 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 173 [2022-10-16 04:05:25,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:05:27,860 INFO L225 Difference]: With dead ends: 737082 [2022-10-16 04:05:27,860 INFO L226 Difference]: Without dead ends: 737082 [2022-10-16 04:05:27,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=96, Invalid=176, Unknown=0, NotChecked=0, Total=272 [2022-10-16 04:05:27,862 INFO L413 NwaCegarLoop]: 479 mSDtfsCounter, 6509 mSDsluCounter, 956 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 282 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6509 SdHoareTripleChecker+Valid, 1435 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 282 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 04:05:27,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6509 Valid, 1435 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [282 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 04:05:28,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737082 states. [2022-10-16 04:05:35,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737082 to 226004. [2022-10-16 04:05:35,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226004 states, 225999 states have (on average 1.4698073885282679) internal successors, (332175), 226003 states have internal predecessors, (332175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:05:36,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226004 states to 226004 states and 332175 transitions. [2022-10-16 04:05:36,279 INFO L78 Accepts]: Start accepts. Automaton has 226004 states and 332175 transitions. Word has length 173 [2022-10-16 04:05:36,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:05:36,280 INFO L495 AbstractCegarLoop]: Abstraction has 226004 states and 332175 transitions. [2022-10-16 04:05:36,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.625) internal successors, (173), 7 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:05:36,280 INFO L276 IsEmpty]: Start isEmpty. Operand 226004 states and 332175 transitions. [2022-10-16 04:05:36,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-10-16 04:05:36,301 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:05:36,302 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:05:36,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 04:05:36,302 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-16 04:05:36,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:05:36,303 INFO L85 PathProgramCache]: Analyzing trace with hash 501689850, now seen corresponding path program 1 times [2022-10-16 04:05:36,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:05:36,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024278498] [2022-10-16 04:05:36,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:05:36,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:05:36,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:05:36,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:05:36,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:05:36,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024278498] [2022-10-16 04:05:36,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024278498] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:05:36,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:05:36,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:05:36,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892981187] [2022-10-16 04:05:36,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:05:36,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 04:05:36,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:05:36,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 04:05:36,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 04:05:36,605 INFO L87 Difference]: Start difference. First operand 226004 states and 332175 transitions. Second operand has 4 states, 4 states have (on average 43.25) internal successors, (173), 4 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:05:39,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:05:39,110 INFO L93 Difference]: Finished difference Result 347167 states and 515186 transitions. [2022-10-16 04:05:39,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 04:05:39,113 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 43.25) internal successors, (173), 4 states have internal predecessors, (173), 0 states have call successors, (0), 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 173 [2022-10-16 04:05:39,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:05:40,062 INFO L225 Difference]: With dead ends: 347167 [2022-10-16 04:05:40,062 INFO L226 Difference]: Without dead ends: 347167 [2022-10-16 04:05:40,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:05:40,064 INFO L413 NwaCegarLoop]: 917 mSDtfsCounter, 502 mSDsluCounter, 1378 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 502 SdHoareTripleChecker+Valid, 2295 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:05:40,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [502 Valid, 2295 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:05:40,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347167 states. [2022-10-16 04:05:44,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347167 to 222150. [2022-10-16 04:05:45,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222150 states, 222145 states have (on average 1.4744288640302505) internal successors, (327537), 222149 states have internal predecessors, (327537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:05:45,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222150 states to 222150 states and 327537 transitions. [2022-10-16 04:05:45,906 INFO L78 Accepts]: Start accepts. Automaton has 222150 states and 327537 transitions. Word has length 173 [2022-10-16 04:05:45,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:05:45,907 INFO L495 AbstractCegarLoop]: Abstraction has 222150 states and 327537 transitions. [2022-10-16 04:05:45,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.25) internal successors, (173), 4 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:05:45,908 INFO L276 IsEmpty]: Start isEmpty. Operand 222150 states and 327537 transitions. [2022-10-16 04:05:45,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-10-16 04:05:45,930 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:05:45,930 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:05:45,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 04:05:45,931 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-16 04:05:45,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:05:45,932 INFO L85 PathProgramCache]: Analyzing trace with hash 2133731624, now seen corresponding path program 1 times [2022-10-16 04:05:45,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:05:45,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69988436] [2022-10-16 04:05:45,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:05:45,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:05:46,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:05:46,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:05:46,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:05:46,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69988436] [2022-10-16 04:05:46,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69988436] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:05:46,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:05:46,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 04:05:46,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329923664] [2022-10-16 04:05:46,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:05:46,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 04:05:46,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:05:46,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 04:05:46,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 04:05:46,345 INFO L87 Difference]: Start difference. First operand 222150 states and 327537 transitions. Second operand has 8 states, 8 states have (on average 21.625) internal successors, (173), 7 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:05:49,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:05:49,591 INFO L93 Difference]: Finished difference Result 528141 states and 765499 transitions. [2022-10-16 04:05:49,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 04:05:49,591 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.625) internal successors, (173), 7 states have internal predecessors, (173), 0 states have call successors, (0), 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 173 [2022-10-16 04:05:49,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:05:51,252 INFO L225 Difference]: With dead ends: 528141 [2022-10-16 04:05:51,252 INFO L226 Difference]: Without dead ends: 528141 [2022-10-16 04:05:51,253 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=96, Invalid=176, Unknown=0, NotChecked=0, Total=272 [2022-10-16 04:05:51,253 INFO L413 NwaCegarLoop]: 515 mSDtfsCounter, 5745 mSDsluCounter, 865 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5745 SdHoareTripleChecker+Valid, 1380 SdHoareTripleChecker+Invalid, 509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 189 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 04:05:51,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5745 Valid, 1380 Invalid, 509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [189 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 04:05:51,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528141 states. [2022-10-16 04:05:55,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528141 to 143586. [2022-10-16 04:05:56,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143586 states, 143581 states have (on average 1.4617602607587354) internal successors, (209881), 143585 states have internal predecessors, (209881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:05:56,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143586 states to 143586 states and 209881 transitions. [2022-10-16 04:05:56,926 INFO L78 Accepts]: Start accepts. Automaton has 143586 states and 209881 transitions. Word has length 173 [2022-10-16 04:05:56,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:05:56,926 INFO L495 AbstractCegarLoop]: Abstraction has 143586 states and 209881 transitions. [2022-10-16 04:05:56,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.625) internal successors, (173), 7 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:05:56,928 INFO L276 IsEmpty]: Start isEmpty. Operand 143586 states and 209881 transitions. [2022-10-16 04:05:56,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-10-16 04:05:56,947 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:05:56,947 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:05:56,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 04:05:56,948 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-16 04:05:56,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:05:56,962 INFO L85 PathProgramCache]: Analyzing trace with hash -2078540590, now seen corresponding path program 1 times [2022-10-16 04:05:56,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:05:56,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977231484] [2022-10-16 04:05:56,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:05:56,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:05:57,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:05:57,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:05:57,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:05:57,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977231484] [2022-10-16 04:05:57,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977231484] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:05:57,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:05:57,458 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:05:57,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936832373] [2022-10-16 04:05:57,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:05:57,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 04:05:57,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:05:57,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 04:05:57,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 04:05:57,461 INFO L87 Difference]: Start difference. First operand 143586 states and 209881 transitions. Second operand has 4 states, 4 states have (on average 43.25) internal successors, (173), 4 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:05:57,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:05:57,781 INFO L93 Difference]: Finished difference Result 129159 states and 188725 transitions. [2022-10-16 04:05:57,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 04:05:57,782 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 43.25) internal successors, (173), 4 states have internal predecessors, (173), 0 states have call successors, (0), 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 173 [2022-10-16 04:05:57,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:05:57,957 INFO L225 Difference]: With dead ends: 129159 [2022-10-16 04:05:57,958 INFO L226 Difference]: Without dead ends: 129057 [2022-10-16 04:05:57,958 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:05:57,958 INFO L413 NwaCegarLoop]: 574 mSDtfsCounter, 21 mSDsluCounter, 1104 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 1678 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 [2022-10-16 04:05:57,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 1678 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:05:58,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129057 states. [2022-10-16 04:05:59,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129057 to 129057. [2022-10-16 04:06:00,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129057 states, 129052 states have (on average 1.4616046244924528) internal successors, (188623), 129056 states have internal predecessors, (188623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:06:00,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129057 states to 129057 states and 188623 transitions. [2022-10-16 04:06:00,309 INFO L78 Accepts]: Start accepts. Automaton has 129057 states and 188623 transitions. Word has length 173 [2022-10-16 04:06:00,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:06:00,309 INFO L495 AbstractCegarLoop]: Abstraction has 129057 states and 188623 transitions. [2022-10-16 04:06:00,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.25) internal successors, (173), 4 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:06:00,309 INFO L276 IsEmpty]: Start isEmpty. Operand 129057 states and 188623 transitions. [2022-10-16 04:06:00,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-10-16 04:06:00,329 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:06:00,329 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:06:00,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 04:06:00,330 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-16 04:06:00,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:06:00,331 INFO L85 PathProgramCache]: Analyzing trace with hash 638855791, now seen corresponding path program 1 times [2022-10-16 04:06:00,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:06:00,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434661534] [2022-10-16 04:06:00,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:06:00,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:06:00,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:06:03,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:06:03,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:06:03,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434661534] [2022-10-16 04:06:03,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434661534] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:06:03,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:06:03,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-10-16 04:06:03,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679649889] [2022-10-16 04:06:03,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:06:03,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-10-16 04:06:03,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:06:03,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-10-16 04:06:03,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=407, Unknown=0, NotChecked=0, Total=462 [2022-10-16 04:06:03,685 INFO L87 Difference]: Start difference. First operand 129057 states and 188623 transitions. Second operand has 22 states, 22 states have (on average 7.954545454545454) internal successors, (175), 22 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:06:10,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:06:10,562 INFO L93 Difference]: Finished difference Result 275585 states and 404568 transitions. [2022-10-16 04:06:10,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-16 04:06:10,563 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 7.954545454545454) internal successors, (175), 22 states have internal predecessors, (175), 0 states have call successors, (0), 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 175 [2022-10-16 04:06:10,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:06:10,996 INFO L225 Difference]: With dead ends: 275585 [2022-10-16 04:06:10,996 INFO L226 Difference]: Without dead ends: 275585 [2022-10-16 04:06:10,997 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=335, Invalid=1147, Unknown=0, NotChecked=0, Total=1482 [2022-10-16 04:06:10,998 INFO L413 NwaCegarLoop]: 1147 mSDtfsCounter, 3120 mSDsluCounter, 13994 mSDsCounter, 0 mSdLazyCounter, 4485 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3120 SdHoareTripleChecker+Valid, 15141 SdHoareTripleChecker+Invalid, 4545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 4485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-10-16 04:06:10,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3120 Valid, 15141 Invalid, 4545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 4485 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-10-16 04:06:11,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275585 states. [2022-10-16 04:06:14,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275585 to 129621. [2022-10-16 04:06:14,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129621 states, 129616 states have (on average 1.4603444019256882) internal successors, (189284), 129620 states have internal predecessors, (189284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:06:14,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129621 states to 129621 states and 189284 transitions. [2022-10-16 04:06:14,491 INFO L78 Accepts]: Start accepts. Automaton has 129621 states and 189284 transitions. Word has length 175 [2022-10-16 04:06:14,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:06:14,491 INFO L495 AbstractCegarLoop]: Abstraction has 129621 states and 189284 transitions. [2022-10-16 04:06:14,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 7.954545454545454) internal successors, (175), 22 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:06:14,492 INFO L276 IsEmpty]: Start isEmpty. Operand 129621 states and 189284 transitions. [2022-10-16 04:06:14,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-10-16 04:06:14,505 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:06:14,506 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:06:14,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 04:06:14,506 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-16 04:06:14,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:06:14,506 INFO L85 PathProgramCache]: Analyzing trace with hash -766399261, now seen corresponding path program 1 times [2022-10-16 04:06:14,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:06:14,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785302239] [2022-10-16 04:06:14,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:06:14,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:06:14,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:06:15,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:06:15,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:06:15,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785302239] [2022-10-16 04:06:15,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785302239] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:06:15,705 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:06:15,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-16 04:06:15,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909063916] [2022-10-16 04:06:15,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:06:15,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 04:06:15,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:06:15,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 04:06:15,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2022-10-16 04:06:15,708 INFO L87 Difference]: Start difference. First operand 129621 states and 189284 transitions. Second operand has 13 states, 13 states have (on average 13.461538461538462) internal successors, (175), 12 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:06:19,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:06:19,488 INFO L93 Difference]: Finished difference Result 444979 states and 640928 transitions. [2022-10-16 04:06:19,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-16 04:06:19,489 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 13.461538461538462) internal successors, (175), 12 states have internal predecessors, (175), 0 states have call successors, (0), 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 175 [2022-10-16 04:06:19,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:06:20,350 INFO L225 Difference]: With dead ends: 444979 [2022-10-16 04:06:20,350 INFO L226 Difference]: Without dead ends: 444979 [2022-10-16 04:06:20,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=332, Invalid=724, Unknown=0, NotChecked=0, Total=1056 [2022-10-16 04:06:20,351 INFO L413 NwaCegarLoop]: 902 mSDtfsCounter, 7246 mSDsluCounter, 4008 mSDsCounter, 0 mSdLazyCounter, 1943 mSolverCounterSat, 366 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7246 SdHoareTripleChecker+Valid, 4910 SdHoareTripleChecker+Invalid, 2309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 366 IncrementalHoareTripleChecker+Valid, 1943 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 04:06:20,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7246 Valid, 4910 Invalid, 2309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [366 Valid, 1943 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 04:06:20,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444979 states. [2022-10-16 04:06:25,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444979 to 217415. [2022-10-16 04:06:25,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217415 states, 217410 states have (on average 1.484715514465756) internal successors, (322792), 217414 states have internal predecessors, (322792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:06:26,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217415 states to 217415 states and 322792 transitions. [2022-10-16 04:06:26,549 INFO L78 Accepts]: Start accepts. Automaton has 217415 states and 322792 transitions. Word has length 175 [2022-10-16 04:06:26,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:06:26,549 INFO L495 AbstractCegarLoop]: Abstraction has 217415 states and 322792 transitions. [2022-10-16 04:06:26,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 13.461538461538462) internal successors, (175), 12 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:06:26,550 INFO L276 IsEmpty]: Start isEmpty. Operand 217415 states and 322792 transitions. [2022-10-16 04:06:26,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-10-16 04:06:26,567 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:06:26,567 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:06:26,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 04:06:26,568 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-16 04:06:26,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:06:26,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1400997751, now seen corresponding path program 1 times [2022-10-16 04:06:26,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:06:26,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924038414] [2022-10-16 04:06:26,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:06:26,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:06:26,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:06:26,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:06:26,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:06:26,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924038414] [2022-10-16 04:06:26,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924038414] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:06:26,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:06:26,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 04:06:26,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861711499] [2022-10-16 04:06:26,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:06:26,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 04:06:26,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:06:26,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 04:06:26,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 04:06:26,841 INFO L87 Difference]: Start difference. First operand 217415 states and 322792 transitions. Second operand has 8 states, 8 states have (on average 21.875) internal successors, (175), 7 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:06:30,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:06:30,675 INFO L93 Difference]: Finished difference Result 450171 states and 659728 transitions. [2022-10-16 04:06:30,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 04:06:30,676 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.875) internal successors, (175), 7 states have internal predecessors, (175), 0 states have call successors, (0), 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 175 [2022-10-16 04:06:30,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:06:32,033 INFO L225 Difference]: With dead ends: 450171 [2022-10-16 04:06:32,034 INFO L226 Difference]: Without dead ends: 450171 [2022-10-16 04:06:32,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=96, Invalid=176, Unknown=0, NotChecked=0, Total=272 [2022-10-16 04:06:32,037 INFO L413 NwaCegarLoop]: 612 mSDtfsCounter, 5004 mSDsluCounter, 816 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 203 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5004 SdHoareTripleChecker+Valid, 1428 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 203 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 04:06:32,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5004 Valid, 1428 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [203 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 04:06:32,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450171 states. [2022-10-16 04:06:37,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450171 to 146602. [2022-10-16 04:06:37,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146602 states, 146597 states have (on average 1.4680382272488524) internal successors, (215210), 146601 states have internal predecessors, (215210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:06:38,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146602 states to 146602 states and 215210 transitions. [2022-10-16 04:06:38,323 INFO L78 Accepts]: Start accepts. Automaton has 146602 states and 215210 transitions. Word has length 175 [2022-10-16 04:06:38,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:06:38,323 INFO L495 AbstractCegarLoop]: Abstraction has 146602 states and 215210 transitions. [2022-10-16 04:06:38,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.875) internal successors, (175), 7 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:06:38,324 INFO L276 IsEmpty]: Start isEmpty. Operand 146602 states and 215210 transitions. [2022-10-16 04:06:38,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-10-16 04:06:38,344 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:06:38,344 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:06:38,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 04:06:38,345 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-16 04:06:38,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:06:38,346 INFO L85 PathProgramCache]: Analyzing trace with hash -323336749, now seen corresponding path program 1 times [2022-10-16 04:06:38,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:06:38,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17785832] [2022-10-16 04:06:38,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:06:38,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:06:38,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:06:38,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:06:38,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:06:38,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17785832] [2022-10-16 04:06:38,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17785832] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:06:38,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:06:38,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:06:38,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512161739] [2022-10-16 04:06:38,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:06:38,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 04:06:38,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:06:38,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 04:06:38,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 04:06:38,755 INFO L87 Difference]: Start difference. First operand 146602 states and 215210 transitions. Second operand has 4 states, 4 states have (on average 43.75) internal successors, (175), 4 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:06:39,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:06:39,946 INFO L93 Difference]: Finished difference Result 253201 states and 370208 transitions. [2022-10-16 04:06:39,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 04:06:39,946 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 43.75) internal successors, (175), 4 states have internal predecessors, (175), 0 states have call successors, (0), 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 175 [2022-10-16 04:06:39,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:06:40,325 INFO L225 Difference]: With dead ends: 253201 [2022-10-16 04:06:40,325 INFO L226 Difference]: Without dead ends: 253201 [2022-10-16 04:06:40,325 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 [2022-10-16 04:06:40,326 INFO L413 NwaCegarLoop]: 619 mSDtfsCounter, 644 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 644 SdHoareTripleChecker+Valid, 1108 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:06:40,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [644 Valid, 1108 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 04:06:40,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253201 states. [2022-10-16 04:06:43,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253201 to 253199. [2022-10-16 04:06:43,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253199 states, 253194 states have (on average 1.4621476022338602) internal successors, (370207), 253198 states have internal predecessors, (370207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:06:45,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253199 states to 253199 states and 370207 transitions. [2022-10-16 04:06:45,137 INFO L78 Accepts]: Start accepts. Automaton has 253199 states and 370207 transitions. Word has length 175 [2022-10-16 04:06:45,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:06:45,137 INFO L495 AbstractCegarLoop]: Abstraction has 253199 states and 370207 transitions. [2022-10-16 04:06:45,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.75) internal successors, (175), 4 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:06:45,137 INFO L276 IsEmpty]: Start isEmpty. Operand 253199 states and 370207 transitions. [2022-10-16 04:06:45,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-10-16 04:06:45,161 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:06:45,161 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:06:45,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 04:06:45,162 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-16 04:06:45,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:06:45,162 INFO L85 PathProgramCache]: Analyzing trace with hash -245269745, now seen corresponding path program 1 times [2022-10-16 04:06:45,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:06:45,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676542514] [2022-10-16 04:06:45,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:06:45,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:06:45,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:06:48,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:06:48,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:06:48,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676542514] [2022-10-16 04:06:48,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676542514] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:06:48,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:06:48,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-10-16 04:06:48,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856666371] [2022-10-16 04:06:48,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:06:48,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-10-16 04:06:48,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:06:48,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-10-16 04:06:48,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2022-10-16 04:06:48,370 INFO L87 Difference]: Start difference. First operand 253199 states and 370207 transitions. Second operand has 21 states, 21 states have (on average 8.333333333333334) internal successors, (175), 21 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:06:57,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:06:57,706 INFO L93 Difference]: Finished difference Result 422165 states and 621248 transitions. [2022-10-16 04:06:57,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 04:06:57,707 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 8.333333333333334) internal successors, (175), 21 states have internal predecessors, (175), 0 states have call successors, (0), 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 175 [2022-10-16 04:06:57,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:06:59,134 INFO L225 Difference]: With dead ends: 422165 [2022-10-16 04:06:59,134 INFO L226 Difference]: Without dead ends: 422165 [2022-10-16 04:06:59,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=301, Invalid=1181, Unknown=0, NotChecked=0, Total=1482 [2022-10-16 04:06:59,136 INFO L413 NwaCegarLoop]: 1543 mSDtfsCounter, 2370 mSDsluCounter, 18984 mSDsCounter, 0 mSdLazyCounter, 5968 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2370 SdHoareTripleChecker+Valid, 20527 SdHoareTripleChecker+Invalid, 5995 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 5968 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-10-16 04:06:59,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2370 Valid, 20527 Invalid, 5995 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [27 Valid, 5968 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-10-16 04:06:59,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422165 states. [2022-10-16 04:07:03,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422165 to 253872. [2022-10-16 04:07:04,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253872 states, 253867 states have (on average 1.4613399929884545) internal successors, (370986), 253871 states have internal predecessors, (370986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:07:05,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253872 states to 253872 states and 370986 transitions. [2022-10-16 04:07:05,189 INFO L78 Accepts]: Start accepts. Automaton has 253872 states and 370986 transitions. Word has length 175 [2022-10-16 04:07:05,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:07:05,189 INFO L495 AbstractCegarLoop]: Abstraction has 253872 states and 370986 transitions. [2022-10-16 04:07:05,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.333333333333334) internal successors, (175), 21 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:07:05,190 INFO L276 IsEmpty]: Start isEmpty. Operand 253872 states and 370986 transitions. [2022-10-16 04:07:05,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-10-16 04:07:05,229 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:07:05,229 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:07:05,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 04:07:05,230 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-16 04:07:05,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:07:05,230 INFO L85 PathProgramCache]: Analyzing trace with hash -366497275, now seen corresponding path program 1 times [2022-10-16 04:07:05,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:07:05,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577090624] [2022-10-16 04:07:05,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:07:05,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:07:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:07:05,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:07:05,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:07:05,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577090624] [2022-10-16 04:07:05,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577090624] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:07:05,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:07:05,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 04:07:05,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777910832] [2022-10-16 04:07:05,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:07:05,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:07:05,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:07:05,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:07:05,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:07:05,378 INFO L87 Difference]: Start difference. First operand 253872 states and 370986 transitions. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:07:06,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:07:06,587 INFO L93 Difference]: Finished difference Result 252555 states and 368342 transitions. [2022-10-16 04:07:06,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:07:06,588 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 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 176 [2022-10-16 04:07:06,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:07:07,071 INFO L225 Difference]: With dead ends: 252555 [2022-10-16 04:07:07,071 INFO L226 Difference]: Without dead ends: 252555 [2022-10-16 04:07:07,072 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:07:07,072 INFO L413 NwaCegarLoop]: 461 mSDtfsCounter, 446 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 446 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:07:07,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [446 Valid, 538 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 04:07:07,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252555 states. [2022-10-16 04:07:10,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252555 to 252555. [2022-10-16 04:07:10,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252555 states, 252550 states have (on average 1.4584913878439913) internal successors, (368342), 252554 states have internal predecessors, (368342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:07:12,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252555 states to 252555 states and 368342 transitions. [2022-10-16 04:07:12,140 INFO L78 Accepts]: Start accepts. Automaton has 252555 states and 368342 transitions. Word has length 176 [2022-10-16 04:07:12,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:07:12,141 INFO L495 AbstractCegarLoop]: Abstraction has 252555 states and 368342 transitions. [2022-10-16 04:07:12,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:07:12,141 INFO L276 IsEmpty]: Start isEmpty. Operand 252555 states and 368342 transitions. [2022-10-16 04:07:12,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-10-16 04:07:12,173 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:07:12,174 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:07:12,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-16 04:07:12,174 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-16 04:07:12,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:07:12,175 INFO L85 PathProgramCache]: Analyzing trace with hash 175475687, now seen corresponding path program 1 times [2022-10-16 04:07:12,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:07:12,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063598944] [2022-10-16 04:07:12,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:07:12,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:07:12,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:07:12,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:07:12,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:07:12,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063598944] [2022-10-16 04:07:12,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063598944] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:07:12,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:07:12,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 04:07:12,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471433660] [2022-10-16 04:07:12,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:07:12,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:07:12,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:07:12,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:07:12,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:07:12,266 INFO L87 Difference]: Start difference. First operand 252555 states and 368342 transitions. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:07:13,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:07:13,633 INFO L93 Difference]: Finished difference Result 269685 states and 389169 transitions. [2022-10-16 04:07:13,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:07:13,633 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 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 176 [2022-10-16 04:07:13,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:07:14,085 INFO L225 Difference]: With dead ends: 269685 [2022-10-16 04:07:14,086 INFO L226 Difference]: Without dead ends: 269685 [2022-10-16 04:07:14,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:07:14,088 INFO L413 NwaCegarLoop]: 467 mSDtfsCounter, 449 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 449 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:07:14,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [449 Valid, 583 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 04:07:14,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269685 states.