/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 03:14:26,510 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 03:14:26,515 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 03:14:26,589 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 03:14:26,590 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 03:14:26,594 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 03:14:26,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 03:14:26,608 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 03:14:26,612 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 03:14:26,620 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 03:14:26,621 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 03:14:26,629 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 03:14:26,630 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 03:14:26,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 03:14:26,636 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 03:14:26,638 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 03:14:26,640 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 03:14:26,642 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 03:14:26,646 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 03:14:26,657 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 03:14:26,659 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 03:14:26,661 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 03:14:26,663 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 03:14:26,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 03:14:26,677 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 03:14:26,692 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 03:14:26,694 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 03:14:26,695 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 03:14:26,696 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-10-16 03:14:26,752 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 03:14:26,752 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 03:14:26,753 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 03:14:26,753 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 03:14:26,755 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 03:14:26,755 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 03:14:26,758 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 03:14:26,758 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 03:14:26,759 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 03:14:26,759 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 03:14:26,760 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 03:14:26,760 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 03:14:26,760 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 03:14:26,761 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 03:14:26,761 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 03:14:26,761 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-16 03:14:26,761 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-16 03:14:26,761 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-16 03:14:26,762 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 03:14:26,762 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-16 03:14:26,762 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 03:14:26,762 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 03:14:26,762 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 03:14:26,763 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 03:14:26,763 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 03:14:26,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 03:14:26,763 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 03:14:26,763 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 03:14:26,763 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 03:14:26,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 03:14:26,764 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 03:14:27,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 03:14:27,242 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 03:14:27,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 03:14:27,247 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 03:14:27,248 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 03:14:27,250 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-16 03:14:27,323 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84fa4b8e6/0d37bd19fb3840628e61ab9d7a2352a7/FLAG85e6dd7a3 [2022-10-16 03:14:28,052 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 03:14:28,054 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-16 03:14:28,071 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84fa4b8e6/0d37bd19fb3840628e61ab9d7a2352a7/FLAG85e6dd7a3 [2022-10-16 03:14:28,280 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84fa4b8e6/0d37bd19fb3840628e61ab9d7a2352a7 [2022-10-16 03:14:28,285 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 03:14:28,293 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 03:14:28,297 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 03:14:28,297 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 03:14:28,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 03:14:28,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:14:28" (1/1) ... [2022-10-16 03:14:28,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75bb44f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:14:28, skipping insertion in model container [2022-10-16 03:14:28,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:14:28" (1/1) ... [2022-10-16 03:14:28,314 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 03:14:28,388 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 03:14:28,911 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14146,14159] [2022-10-16 03:14:28,937 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14793,14806] [2022-10-16 03:14:28,973 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16069,16082] [2022-10-16 03:14:29,008 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[17045,17058] [2022-10-16 03:14:29,165 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[25516,25529] [2022-10-16 03:14:29,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 03:14:29,304 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 03:14:29,513 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14146,14159] [2022-10-16 03:14:29,524 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14793,14806] [2022-10-16 03:14:29,541 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16069,16082] [2022-10-16 03:14:29,555 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[17045,17058] [2022-10-16 03:14:29,633 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[25516,25529] [2022-10-16 03:14:29,690 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 03:14:29,711 INFO L208 MainTranslator]: Completed translation [2022-10-16 03:14:29,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:14:29 WrapperNode [2022-10-16 03:14:29,712 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 03:14:29,713 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 03:14:29,713 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 03:14:29,713 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 03:14:29,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:14:29" (1/1) ... [2022-10-16 03:14:29,746 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:14:29" (1/1) ... [2022-10-16 03:14:29,837 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1565 [2022-10-16 03:14:29,838 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 03:14:29,842 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 03:14:29,842 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 03:14:29,842 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 03:14:29,855 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:14:29" (1/1) ... [2022-10-16 03:14:29,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:14:29" (1/1) ... [2022-10-16 03:14:29,862 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:14:29" (1/1) ... [2022-10-16 03:14:29,862 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:14:29" (1/1) ... [2022-10-16 03:14:29,885 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:14:29" (1/1) ... [2022-10-16 03:14:29,901 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:14:29" (1/1) ... [2022-10-16 03:14:29,908 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:14:29" (1/1) ... [2022-10-16 03:14:29,916 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:14:29" (1/1) ... [2022-10-16 03:14:29,927 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 03:14:29,928 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 03:14:29,928 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 03:14:29,928 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 03:14:29,929 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:14:29" (1/1) ... [2022-10-16 03:14:29,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 03:14:29,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 03:14:29,981 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 03:14:30,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 03:14:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 03:14:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 03:14:30,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 03:14:30,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 03:14:30,292 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 03:14:30,295 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 03:14:31,861 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 03:14:31,876 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 03:14:31,876 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 03:14:31,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:14:31 BoogieIcfgContainer [2022-10-16 03:14:31,880 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 03:14:31,883 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 03:14:31,883 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 03:14:31,887 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 03:14:31,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:14:28" (1/3) ... [2022-10-16 03:14:31,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@195ada7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:14:31, skipping insertion in model container [2022-10-16 03:14:31,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:14:29" (2/3) ... [2022-10-16 03:14:31,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@195ada7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:14:31, skipping insertion in model container [2022-10-16 03:14:31,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:14:31" (3/3) ... [2022-10-16 03:14:31,891 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-16 03:14:31,916 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 03:14:31,917 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-10-16 03:14:31,989 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 03:14:31,999 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;@507aadc1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 03:14:31,999 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-10-16 03:14:32,007 INFO L276 IsEmpty]: Start isEmpty. Operand has 389 states, 382 states have (on average 1.8272251308900525) internal successors, (698), 388 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:32,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-16 03:14:32,017 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:14:32,021 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:14:32,022 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 03:14:32,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:14:32,031 INFO L85 PathProgramCache]: Analyzing trace with hash 962710751, now seen corresponding path program 1 times [2022-10-16 03:14:32,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:14:32,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725720380] [2022-10-16 03:14:32,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:14:32,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:14:32,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:14:32,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:14:32,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:14:32,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725720380] [2022-10-16 03:14:32,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725720380] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:14:32,466 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:14:32,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 03:14:32,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144292308] [2022-10-16 03:14:32,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:14:32,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:14:32,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:14:32,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:14:32,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:14:32,520 INFO L87 Difference]: Start difference. First operand has 389 states, 382 states have (on average 1.8272251308900525) internal successors, (698), 388 states have internal predecessors, (698), 0 states have call successors, (0), 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 03:14:32,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:14:32,611 INFO L93 Difference]: Finished difference Result 388 states and 692 transitions. [2022-10-16 03:14:32,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:14:32,614 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 03:14:32,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:14:32,630 INFO L225 Difference]: With dead ends: 388 [2022-10-16 03:14:32,630 INFO L226 Difference]: Without dead ends: 385 [2022-10-16 03:14:32,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:14:32,637 INFO L413 NwaCegarLoop]: 691 mSDtfsCounter, 677 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 677 SdHoareTripleChecker+Valid, 691 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:14:32,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [677 Valid, 691 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:14:32,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2022-10-16 03:14:32,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 385. [2022-10-16 03:14:32,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 380 states have (on average 1.45) internal successors, (551), 384 states have internal predecessors, (551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:32,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 551 transitions. [2022-10-16 03:14:32,723 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 551 transitions. Word has length 16 [2022-10-16 03:14:32,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:14:32,723 INFO L495 AbstractCegarLoop]: Abstraction has 385 states and 551 transitions. [2022-10-16 03:14:32,724 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 03:14:32,724 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 551 transitions. [2022-10-16 03:14:32,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-10-16 03:14:32,739 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:14:32,740 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:14:32,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 03:14:32,744 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-16 03:14:32,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:14:32,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1860790591, now seen corresponding path program 1 times [2022-10-16 03:14:32,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:14:32,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978379759] [2022-10-16 03:14:32,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:14:32,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:14:32,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:14:33,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:14:33,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:14:33,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978379759] [2022-10-16 03:14:33,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978379759] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:14:33,276 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:14:33,276 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:14:33,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436326630] [2022-10-16 03:14:33,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:14:33,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:14:33,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:14:33,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:14:33,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:14:33,281 INFO L87 Difference]: Start difference. First operand 385 states and 551 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:33,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:14:33,422 INFO L93 Difference]: Finished difference Result 589 states and 862 transitions. [2022-10-16 03:14:33,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:14:33,423 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-10-16 03:14:33,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:14:33,429 INFO L225 Difference]: With dead ends: 589 [2022-10-16 03:14:33,429 INFO L226 Difference]: Without dead ends: 589 [2022-10-16 03:14:33,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:14:33,432 INFO L413 NwaCegarLoop]: 644 mSDtfsCounter, 324 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 1014 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:14:33,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [324 Valid, 1014 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:14:33,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2022-10-16 03:14:33,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 587. [2022-10-16 03:14:33,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 582 states have (on average 1.4793814432989691) internal successors, (861), 586 states have internal predecessors, (861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:33,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 861 transitions. [2022-10-16 03:14:33,472 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 861 transitions. Word has length 141 [2022-10-16 03:14:33,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:14:33,473 INFO L495 AbstractCegarLoop]: Abstraction has 587 states and 861 transitions. [2022-10-16 03:14:33,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:33,474 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 861 transitions. [2022-10-16 03:14:33,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-10-16 03:14:33,479 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:14:33,480 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:14:33,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 03:14:33,481 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 03:14:33,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:14:33,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1860359615, now seen corresponding path program 1 times [2022-10-16 03:14:33,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:14:33,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619256178] [2022-10-16 03:14:33,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:14:33,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:14:33,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:14:34,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:14:34,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:14:34,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619256178] [2022-10-16 03:14:34,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619256178] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:14:34,291 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:14:34,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:14:34,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716391128] [2022-10-16 03:14:34,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:14:34,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 03:14:34,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:14:34,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 03:14:34,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 03:14:34,302 INFO L87 Difference]: Start difference. First operand 587 states and 861 transitions. Second operand has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:34,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:14:34,468 INFO L93 Difference]: Finished difference Result 1141 states and 1654 transitions. [2022-10-16 03:14:34,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 03:14:34,469 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-10-16 03:14:34,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:14:34,477 INFO L225 Difference]: With dead ends: 1141 [2022-10-16 03:14:34,478 INFO L226 Difference]: Without dead ends: 1141 [2022-10-16 03:14:34,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:14:34,485 INFO L413 NwaCegarLoop]: 968 mSDtfsCounter, 1099 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1099 SdHoareTripleChecker+Valid, 1469 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:14:34,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1099 Valid, 1469 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:14:34,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2022-10-16 03:14:34,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 1103. [2022-10-16 03:14:34,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1103 states, 1098 states have (on average 1.4681238615664844) internal successors, (1612), 1102 states have internal predecessors, (1612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:34,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1103 states to 1103 states and 1612 transitions. [2022-10-16 03:14:34,540 INFO L78 Accepts]: Start accepts. Automaton has 1103 states and 1612 transitions. Word has length 141 [2022-10-16 03:14:34,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:14:34,543 INFO L495 AbstractCegarLoop]: Abstraction has 1103 states and 1612 transitions. [2022-10-16 03:14:34,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:34,547 INFO L276 IsEmpty]: Start isEmpty. Operand 1103 states and 1612 transitions. [2022-10-16 03:14:34,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-10-16 03:14:34,559 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:14:34,560 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:14:34,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 03:14:34,560 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 03:14:34,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:14:34,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1839649003, now seen corresponding path program 1 times [2022-10-16 03:14:34,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:14:34,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916337099] [2022-10-16 03:14:34,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:14:34,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:14:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:14:34,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:14:34,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:14:34,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916337099] [2022-10-16 03:14:34,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916337099] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:14:34,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:14:34,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:14:34,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391646652] [2022-10-16 03:14:34,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:14:34,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:14:34,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:14:34,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:14:34,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:14:34,733 INFO L87 Difference]: Start difference. First operand 1103 states and 1612 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:34,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:14:34,767 INFO L93 Difference]: Finished difference Result 2196 states and 3207 transitions. [2022-10-16 03:14:34,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:14:34,770 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 142 [2022-10-16 03:14:34,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:14:34,784 INFO L225 Difference]: With dead ends: 2196 [2022-10-16 03:14:34,785 INFO L226 Difference]: Without dead ends: 2196 [2022-10-16 03:14:34,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:14:34,797 INFO L413 NwaCegarLoop]: 1088 mSDtfsCounter, 540 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 540 SdHoareTripleChecker+Valid, 1630 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 03:14:34,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [540 Valid, 1630 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:14:34,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2196 states. [2022-10-16 03:14:34,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2196 to 1105. [2022-10-16 03:14:34,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1105 states, 1100 states have (on average 1.4672727272727273) internal successors, (1614), 1104 states have internal predecessors, (1614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:34,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 1105 states and 1614 transitions. [2022-10-16 03:14:34,849 INFO L78 Accepts]: Start accepts. Automaton has 1105 states and 1614 transitions. Word has length 142 [2022-10-16 03:14:34,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:14:34,849 INFO L495 AbstractCegarLoop]: Abstraction has 1105 states and 1614 transitions. [2022-10-16 03:14:34,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:34,851 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 1614 transitions. [2022-10-16 03:14:34,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-10-16 03:14:34,854 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:14:34,854 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:14:34,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 03:14:34,855 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 03:14:34,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:14:34,856 INFO L85 PathProgramCache]: Analyzing trace with hash 734467803, now seen corresponding path program 1 times [2022-10-16 03:14:34,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:14:34,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730502485] [2022-10-16 03:14:34,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:14:34,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:14:34,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:14:35,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:14:35,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:14:35,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730502485] [2022-10-16 03:14:35,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730502485] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:14:35,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:14:35,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:14:35,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105906102] [2022-10-16 03:14:35,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:14:35,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:14:35,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:14:35,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:14:35,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:14:35,051 INFO L87 Difference]: Start difference. First operand 1105 states and 1614 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:35,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:14:35,132 INFO L93 Difference]: Finished difference Result 2146 states and 3102 transitions. [2022-10-16 03:14:35,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:14:35,134 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 143 [2022-10-16 03:14:35,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:14:35,149 INFO L225 Difference]: With dead ends: 2146 [2022-10-16 03:14:35,150 INFO L226 Difference]: Without dead ends: 2146 [2022-10-16 03:14:35,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:14:35,151 INFO L413 NwaCegarLoop]: 1013 mSDtfsCounter, 478 mSDsluCounter, 507 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 478 SdHoareTripleChecker+Valid, 1520 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:14:35,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [478 Valid, 1520 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:14:35,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2146 states. [2022-10-16 03:14:35,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2146 to 2108. [2022-10-16 03:14:35,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2108 states, 2103 states have (on average 1.4550641940085591) internal successors, (3060), 2107 states have internal predecessors, (3060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:35,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2108 states to 2108 states and 3060 transitions. [2022-10-16 03:14:35,225 INFO L78 Accepts]: Start accepts. Automaton has 2108 states and 3060 transitions. Word has length 143 [2022-10-16 03:14:35,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:14:35,228 INFO L495 AbstractCegarLoop]: Abstraction has 2108 states and 3060 transitions. [2022-10-16 03:14:35,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:35,229 INFO L276 IsEmpty]: Start isEmpty. Operand 2108 states and 3060 transitions. [2022-10-16 03:14:35,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-10-16 03:14:35,236 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:14:35,240 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:14:35,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 03:14:35,246 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 03:14:35,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:14:35,250 INFO L85 PathProgramCache]: Analyzing trace with hash -1947336930, now seen corresponding path program 1 times [2022-10-16 03:14:35,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:14:35,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782124319] [2022-10-16 03:14:35,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:14:35,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:14:35,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:14:35,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:14:35,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:14:35,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782124319] [2022-10-16 03:14:35,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782124319] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:14:35,836 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:14:35,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 03:14:35,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678411142] [2022-10-16 03:14:35,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:14:35,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:14:35,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:14:35,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:14:35,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:14:35,839 INFO L87 Difference]: Start difference. First operand 2108 states and 3060 transitions. Second operand has 5 states, 5 states have (on average 28.6) internal successors, (143), 5 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:35,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:14:35,987 INFO L93 Difference]: Finished difference Result 3908 states and 5594 transitions. [2022-10-16 03:14:35,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 03:14:35,988 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.6) internal successors, (143), 5 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 143 [2022-10-16 03:14:35,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:14:36,011 INFO L225 Difference]: With dead ends: 3908 [2022-10-16 03:14:36,012 INFO L226 Difference]: Without dead ends: 3908 [2022-10-16 03:14:36,013 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 03:14:36,016 INFO L413 NwaCegarLoop]: 783 mSDtfsCounter, 1029 mSDsluCounter, 986 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1029 SdHoareTripleChecker+Valid, 1769 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:14:36,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1029 Valid, 1769 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:14:36,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3908 states. [2022-10-16 03:14:36,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3908 to 3878. [2022-10-16 03:14:36,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3878 states, 3873 states have (on average 1.4366124451329718) internal successors, (5564), 3877 states have internal predecessors, (5564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:36,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3878 states to 3878 states and 5564 transitions. [2022-10-16 03:14:36,170 INFO L78 Accepts]: Start accepts. Automaton has 3878 states and 5564 transitions. Word has length 143 [2022-10-16 03:14:36,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:14:36,170 INFO L495 AbstractCegarLoop]: Abstraction has 3878 states and 5564 transitions. [2022-10-16 03:14:36,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.6) internal successors, (143), 5 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:36,171 INFO L276 IsEmpty]: Start isEmpty. Operand 3878 states and 5564 transitions. [2022-10-16 03:14:36,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-10-16 03:14:36,178 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:14:36,178 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:14:36,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 03:14:36,179 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 03:14:36,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:14:36,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1237819550, now seen corresponding path program 1 times [2022-10-16 03:14:36,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:14:36,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023908051] [2022-10-16 03:14:36,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:14:36,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:14:36,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:14:36,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:14:36,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:14:36,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023908051] [2022-10-16 03:14:36,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023908051] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:14:36,720 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:14:36,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:14:36,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265228603] [2022-10-16 03:14:36,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:14:36,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 03:14:36,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:14:36,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 03:14:36,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 03:14:36,725 INFO L87 Difference]: Start difference. First operand 3878 states and 5564 transitions. Second operand has 4 states, 4 states have (on average 35.75) internal successors, (143), 4 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:36,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:14:36,848 INFO L93 Difference]: Finished difference Result 7523 states and 10668 transitions. [2022-10-16 03:14:36,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 03:14:36,849 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.75) internal successors, (143), 4 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 143 [2022-10-16 03:14:36,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:14:36,890 INFO L225 Difference]: With dead ends: 7523 [2022-10-16 03:14:36,891 INFO L226 Difference]: Without dead ends: 7523 [2022-10-16 03:14:36,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:14:36,893 INFO L413 NwaCegarLoop]: 955 mSDtfsCounter, 1085 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1085 SdHoareTripleChecker+Valid, 1460 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 03:14:36,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1085 Valid, 1460 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:14:36,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7523 states. [2022-10-16 03:14:37,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7523 to 7479. [2022-10-16 03:14:37,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7479 states, 7474 states have (on average 1.420925876371421) internal successors, (10620), 7478 states have internal predecessors, (10620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:37,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7479 states to 7479 states and 10620 transitions. [2022-10-16 03:14:37,174 INFO L78 Accepts]: Start accepts. Automaton has 7479 states and 10620 transitions. Word has length 143 [2022-10-16 03:14:37,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:14:37,175 INFO L495 AbstractCegarLoop]: Abstraction has 7479 states and 10620 transitions. [2022-10-16 03:14:37,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.75) internal successors, (143), 4 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:37,176 INFO L276 IsEmpty]: Start isEmpty. Operand 7479 states and 10620 transitions. [2022-10-16 03:14:37,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-10-16 03:14:37,190 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:14:37,191 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:14:37,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 03:14:37,191 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 03:14:37,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:14:37,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1470261354, now seen corresponding path program 1 times [2022-10-16 03:14:37,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:14:37,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818927383] [2022-10-16 03:14:37,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:14:37,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:14:37,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:14:37,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:14:37,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:14:37,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818927383] [2022-10-16 03:14:37,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818927383] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:14:37,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:14:37,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:14:37,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290800956] [2022-10-16 03:14:37,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:14:37,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:14:37,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:14:37,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:14:37,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:14:37,354 INFO L87 Difference]: Start difference. First operand 7479 states and 10620 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:37,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:14:37,465 INFO L93 Difference]: Finished difference Result 14897 states and 21141 transitions. [2022-10-16 03:14:37,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:14:37,466 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 144 [2022-10-16 03:14:37,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:14:37,534 INFO L225 Difference]: With dead ends: 14897 [2022-10-16 03:14:37,534 INFO L226 Difference]: Without dead ends: 14897 [2022-10-16 03:14:37,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:14:37,536 INFO L413 NwaCegarLoop]: 1074 mSDtfsCounter, 526 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 526 SdHoareTripleChecker+Valid, 1616 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 03:14:37,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [526 Valid, 1616 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:14:37,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14897 states. [2022-10-16 03:14:37,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14897 to 7489. [2022-10-16 03:14:37,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7489 states, 7484 states have (on average 1.4203634420096205) internal successors, (10630), 7488 states have internal predecessors, (10630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:37,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7489 states to 7489 states and 10630 transitions. [2022-10-16 03:14:37,825 INFO L78 Accepts]: Start accepts. Automaton has 7489 states and 10630 transitions. Word has length 144 [2022-10-16 03:14:37,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:14:37,825 INFO L495 AbstractCegarLoop]: Abstraction has 7489 states and 10630 transitions. [2022-10-16 03:14:37,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:37,826 INFO L276 IsEmpty]: Start isEmpty. Operand 7489 states and 10630 transitions. [2022-10-16 03:14:37,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-10-16 03:14:37,839 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:14:37,839 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:14:37,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 03:14:37,840 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 03:14:37,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:14:37,840 INFO L85 PathProgramCache]: Analyzing trace with hash -671861994, now seen corresponding path program 1 times [2022-10-16 03:14:37,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:14:37,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453788980] [2022-10-16 03:14:37,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:14:37,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:14:37,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:14:37,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:14:37,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:14:37,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453788980] [2022-10-16 03:14:37,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453788980] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:14:37,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:14:37,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:14:37,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616394664] [2022-10-16 03:14:37,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:14:37,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:14:37,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:14:37,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:14:37,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:14:37,996 INFO L87 Difference]: Start difference. First operand 7489 states and 10630 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:38,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:14:38,183 INFO L93 Difference]: Finished difference Result 14533 states and 20401 transitions. [2022-10-16 03:14:38,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:14:38,184 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 145 [2022-10-16 03:14:38,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:14:38,220 INFO L225 Difference]: With dead ends: 14533 [2022-10-16 03:14:38,220 INFO L226 Difference]: Without dead ends: 14533 [2022-10-16 03:14:38,221 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:14:38,223 INFO L413 NwaCegarLoop]: 1030 mSDtfsCounter, 471 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 471 SdHoareTripleChecker+Valid, 1541 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 03:14:38,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [471 Valid, 1541 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:14:38,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14533 states. [2022-10-16 03:14:38,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14533 to 14489. [2022-10-16 03:14:38,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14489 states, 14484 states have (on average 1.4052057442695387) internal successors, (20353), 14488 states have internal predecessors, (20353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:38,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14489 states to 14489 states and 20353 transitions. [2022-10-16 03:14:38,635 INFO L78 Accepts]: Start accepts. Automaton has 14489 states and 20353 transitions. Word has length 145 [2022-10-16 03:14:38,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:14:38,635 INFO L495 AbstractCegarLoop]: Abstraction has 14489 states and 20353 transitions. [2022-10-16 03:14:38,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:38,636 INFO L276 IsEmpty]: Start isEmpty. Operand 14489 states and 20353 transitions. [2022-10-16 03:14:38,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-10-16 03:14:38,658 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:14:38,658 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:14:38,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 03:14:38,659 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 03:14:38,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:14:38,660 INFO L85 PathProgramCache]: Analyzing trace with hash -720915239, now seen corresponding path program 1 times [2022-10-16 03:14:38,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:14:38,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318782713] [2022-10-16 03:14:38,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:14:38,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:14:38,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:14:39,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:14:39,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:14:39,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318782713] [2022-10-16 03:14:39,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318782713] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:14:39,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:14:39,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 03:14:39,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515940443] [2022-10-16 03:14:39,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:14:39,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:14:39,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:14:39,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:14:39,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:14:39,153 INFO L87 Difference]: Start difference. First operand 14489 states and 20353 transitions. Second operand has 5 states, 5 states have (on average 29.0) internal successors, (145), 5 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:39,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:14:39,382 INFO L93 Difference]: Finished difference Result 24423 states and 33671 transitions. [2022-10-16 03:14:39,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 03:14:39,383 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.0) internal successors, (145), 5 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 145 [2022-10-16 03:14:39,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:14:39,446 INFO L225 Difference]: With dead ends: 24423 [2022-10-16 03:14:39,446 INFO L226 Difference]: Without dead ends: 24423 [2022-10-16 03:14:39,446 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 03:14:39,447 INFO L413 NwaCegarLoop]: 931 mSDtfsCounter, 1599 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1599 SdHoareTripleChecker+Valid, 1424 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:14:39,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1599 Valid, 1424 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:14:39,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24423 states. [2022-10-16 03:14:40,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24423 to 24397. [2022-10-16 03:14:40,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24397 states, 24392 states have (on average 1.3795096753033782) internal successors, (33649), 24396 states have internal predecessors, (33649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:40,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24397 states to 24397 states and 33649 transitions. [2022-10-16 03:14:40,250 INFO L78 Accepts]: Start accepts. Automaton has 24397 states and 33649 transitions. Word has length 145 [2022-10-16 03:14:40,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:14:40,250 INFO L495 AbstractCegarLoop]: Abstraction has 24397 states and 33649 transitions. [2022-10-16 03:14:40,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.0) internal successors, (145), 5 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:40,251 INFO L276 IsEmpty]: Start isEmpty. Operand 24397 states and 33649 transitions. [2022-10-16 03:14:40,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-10-16 03:14:40,286 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:14:40,287 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:14:40,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 03:14:40,287 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 03:14:40,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:14:40,288 INFO L85 PathProgramCache]: Analyzing trace with hash 909534973, now seen corresponding path program 1 times [2022-10-16 03:14:40,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:14:40,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529504646] [2022-10-16 03:14:40,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:14:40,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:14:40,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:14:40,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:14:40,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:14:40,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529504646] [2022-10-16 03:14:40,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529504646] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:14:40,813 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:14:40,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:14:40,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210380004] [2022-10-16 03:14:40,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:14:40,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 03:14:40,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:14:40,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 03:14:40,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 03:14:40,816 INFO L87 Difference]: Start difference. First operand 24397 states and 33649 transitions. Second operand has 4 states, 4 states have (on average 36.25) internal successors, (145), 4 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:40,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:14:40,994 INFO L93 Difference]: Finished difference Result 25322 states and 34697 transitions. [2022-10-16 03:14:40,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 03:14:40,995 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.25) internal successors, (145), 4 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 145 [2022-10-16 03:14:40,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:14:41,061 INFO L225 Difference]: With dead ends: 25322 [2022-10-16 03:14:41,061 INFO L226 Difference]: Without dead ends: 25322 [2022-10-16 03:14:41,062 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:14:41,063 INFO L413 NwaCegarLoop]: 939 mSDtfsCounter, 1074 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1074 SdHoareTripleChecker+Valid, 1444 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:14:41,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1074 Valid, 1444 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:14:41,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25322 states. [2022-10-16 03:14:41,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25322 to 24863. [2022-10-16 03:14:41,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24863 states, 24858 states have (on average 1.374285944162845) internal successors, (34162), 24862 states have internal predecessors, (34162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:42,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24863 states to 24863 states and 34162 transitions. [2022-10-16 03:14:42,008 INFO L78 Accepts]: Start accepts. Automaton has 24863 states and 34162 transitions. Word has length 145 [2022-10-16 03:14:42,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:14:42,008 INFO L495 AbstractCegarLoop]: Abstraction has 24863 states and 34162 transitions. [2022-10-16 03:14:42,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.25) internal successors, (145), 4 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:42,014 INFO L276 IsEmpty]: Start isEmpty. Operand 24863 states and 34162 transitions. [2022-10-16 03:14:42,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-10-16 03:14:42,058 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:14:42,058 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] [2022-10-16 03:14:42,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 03:14:42,059 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 03:14:42,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:14:42,059 INFO L85 PathProgramCache]: Analyzing trace with hash -497015959, now seen corresponding path program 1 times [2022-10-16 03:14:42,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:14:42,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456927560] [2022-10-16 03:14:42,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:14:42,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:14:42,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:14:42,164 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 03:14:42,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:14:42,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456927560] [2022-10-16 03:14:42,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456927560] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:14:42,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:14:42,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:14:42,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230838700] [2022-10-16 03:14:42,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:14:42,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:14:42,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:14:42,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:14:42,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:14:42,167 INFO L87 Difference]: Start difference. First operand 24863 states and 34162 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:42,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:14:42,468 INFO L93 Difference]: Finished difference Result 49312 states and 67754 transitions. [2022-10-16 03:14:42,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:14:42,469 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 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 146 [2022-10-16 03:14:42,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:14:42,732 INFO L225 Difference]: With dead ends: 49312 [2022-10-16 03:14:42,732 INFO L226 Difference]: Without dead ends: 49312 [2022-10-16 03:14:42,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:14:42,735 INFO L413 NwaCegarLoop]: 628 mSDtfsCounter, 512 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 512 SdHoareTripleChecker+Valid, 1170 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 03:14:42,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [512 Valid, 1170 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:14:42,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49312 states. [2022-10-16 03:14:43,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49312 to 24903. [2022-10-16 03:14:43,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24903 states, 24898 states have (on average 1.37368463330388) internal successors, (34202), 24902 states have internal predecessors, (34202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:43,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24903 states to 24903 states and 34202 transitions. [2022-10-16 03:14:43,828 INFO L78 Accepts]: Start accepts. Automaton has 24903 states and 34202 transitions. Word has length 146 [2022-10-16 03:14:43,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:14:43,828 INFO L495 AbstractCegarLoop]: Abstraction has 24903 states and 34202 transitions. [2022-10-16 03:14:43,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:43,829 INFO L276 IsEmpty]: Start isEmpty. Operand 24903 states and 34202 transitions. [2022-10-16 03:14:43,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-10-16 03:14:43,869 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:14:43,869 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] [2022-10-16 03:14:43,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 03:14:43,870 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 03:14:43,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:14:43,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1442584356, now seen corresponding path program 1 times [2022-10-16 03:14:43,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:14:43,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780268308] [2022-10-16 03:14:43,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:14:43,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:14:43,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:14:44,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:14:44,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:14:44,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780268308] [2022-10-16 03:14:44,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780268308] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:14:44,527 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:14:44,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:14:44,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608140059] [2022-10-16 03:14:44,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:14:44,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 03:14:44,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:14:44,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 03:14:44,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 03:14:44,529 INFO L87 Difference]: Start difference. First operand 24903 states and 34202 transitions. Second operand has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:44,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:14:44,613 INFO L93 Difference]: Finished difference Result 17034 states and 23171 transitions. [2022-10-16 03:14:44,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 03:14:44,615 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 0 states have call successors, (0), 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 147 [2022-10-16 03:14:44,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:14:44,651 INFO L225 Difference]: With dead ends: 17034 [2022-10-16 03:14:44,651 INFO L226 Difference]: Without dead ends: 16484 [2022-10-16 03:14:44,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:14:44,653 INFO L413 NwaCegarLoop]: 594 mSDtfsCounter, 65 mSDsluCounter, 1091 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 1685 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 03:14:44,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 1685 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:14:44,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16484 states. [2022-10-16 03:14:44,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16484 to 16484. [2022-10-16 03:14:44,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16484 states, 16479 states have (on average 1.3683475939073972) internal successors, (22549), 16483 states have internal predecessors, (22549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:45,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16484 states to 16484 states and 22549 transitions. [2022-10-16 03:14:45,043 INFO L78 Accepts]: Start accepts. Automaton has 16484 states and 22549 transitions. Word has length 147 [2022-10-16 03:14:45,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:14:45,044 INFO L495 AbstractCegarLoop]: Abstraction has 16484 states and 22549 transitions. [2022-10-16 03:14:45,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:45,044 INFO L276 IsEmpty]: Start isEmpty. Operand 16484 states and 22549 transitions. [2022-10-16 03:14:45,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-10-16 03:14:45,067 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:14:45,068 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] [2022-10-16 03:14:45,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 03:14:45,068 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 03:14:45,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:14:45,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1557306087, now seen corresponding path program 1 times [2022-10-16 03:14:45,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:14:45,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965319866] [2022-10-16 03:14:45,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:14:45,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:14:45,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:14:45,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:14:45,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:14:45,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965319866] [2022-10-16 03:14:45,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965319866] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:14:45,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:14:45,821 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:14:45,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235539340] [2022-10-16 03:14:45,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:14:45,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 03:14:45,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:14:45,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 03:14:45,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 03:14:45,823 INFO L87 Difference]: Start difference. First operand 16484 states and 22549 transitions. Second operand has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:46,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:14:46,036 INFO L93 Difference]: Finished difference Result 26686 states and 36778 transitions. [2022-10-16 03:14:46,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 03:14:46,036 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 0 states have call successors, (0), 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 155 [2022-10-16 03:14:46,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:14:46,100 INFO L225 Difference]: With dead ends: 26686 [2022-10-16 03:14:46,100 INFO L226 Difference]: Without dead ends: 26686 [2022-10-16 03:14:46,100 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 03:14:46,101 INFO L413 NwaCegarLoop]: 511 mSDtfsCounter, 696 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 696 SdHoareTripleChecker+Valid, 997 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:14:46,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [696 Valid, 997 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:14:46,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26686 states. [2022-10-16 03:14:46,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26686 to 26684. [2022-10-16 03:14:46,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26684 states, 26679 states have (on average 1.3784999437760035) internal successors, (36777), 26683 states have internal predecessors, (36777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:46,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26684 states to 26684 states and 36777 transitions. [2022-10-16 03:14:46,713 INFO L78 Accepts]: Start accepts. Automaton has 26684 states and 36777 transitions. Word has length 155 [2022-10-16 03:14:46,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:14:46,714 INFO L495 AbstractCegarLoop]: Abstraction has 26684 states and 36777 transitions. [2022-10-16 03:14:46,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:46,714 INFO L276 IsEmpty]: Start isEmpty. Operand 26684 states and 36777 transitions. [2022-10-16 03:14:46,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-10-16 03:14:46,739 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:14:46,739 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] [2022-10-16 03:14:46,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 03:14:46,740 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-16 03:14:46,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:14:46,740 INFO L85 PathProgramCache]: Analyzing trace with hash 296784743, now seen corresponding path program 1 times [2022-10-16 03:14:46,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:14:46,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103071982] [2022-10-16 03:14:46,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:14:46,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:14:46,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:14:47,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:14:47,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:14:47,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103071982] [2022-10-16 03:14:47,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103071982] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:14:47,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:14:47,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:14:47,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847259504] [2022-10-16 03:14:47,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:14:47,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 03:14:47,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:14:47,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 03:14:47,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 03:14:47,295 INFO L87 Difference]: Start difference. First operand 26684 states and 36777 transitions. Second operand has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:47,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:14:47,404 INFO L93 Difference]: Finished difference Result 24503 states and 33822 transitions. [2022-10-16 03:14:47,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 03:14:47,405 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 0 states have call successors, (0), 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 155 [2022-10-16 03:14:47,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:14:47,452 INFO L225 Difference]: With dead ends: 24503 [2022-10-16 03:14:47,452 INFO L226 Difference]: Without dead ends: 24301 [2022-10-16 03:14:47,454 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:14:47,456 INFO L413 NwaCegarLoop]: 584 mSDtfsCounter, 53 mSDsluCounter, 1086 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 1670 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 03:14:47,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 1670 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:14:47,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24301 states. [2022-10-16 03:14:48,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24301 to 24301. [2022-10-16 03:14:48,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24301 states, 24296 states have (on average 1.3827790582811985) internal successors, (33596), 24300 states have internal predecessors, (33596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:48,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24301 states to 24301 states and 33596 transitions. [2022-10-16 03:14:48,221 INFO L78 Accepts]: Start accepts. Automaton has 24301 states and 33596 transitions. Word has length 155 [2022-10-16 03:14:48,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:14:48,221 INFO L495 AbstractCegarLoop]: Abstraction has 24301 states and 33596 transitions. [2022-10-16 03:14:48,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:48,222 INFO L276 IsEmpty]: Start isEmpty. Operand 24301 states and 33596 transitions. [2022-10-16 03:14:48,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-10-16 03:14:48,245 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:14:48,246 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 03:14:48,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 03:14:48,246 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-16 03:14:48,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:14:48,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1163062228, now seen corresponding path program 1 times [2022-10-16 03:14:48,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:14:48,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875307283] [2022-10-16 03:14:48,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:14:48,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:14:48,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:14:48,367 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 03:14:48,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:14:48,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875307283] [2022-10-16 03:14:48,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875307283] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:14:48,371 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:14:48,371 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:14:48,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924697640] [2022-10-16 03:14:48,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:14:48,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:14:48,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:14:48,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:14:48,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:14:48,373 INFO L87 Difference]: Start difference. First operand 24301 states and 33596 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 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 03:14:48,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:14:48,775 INFO L93 Difference]: Finished difference Result 47183 states and 64836 transitions. [2022-10-16 03:14:48,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:14:48,776 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 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 03:14:48,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:14:48,892 INFO L225 Difference]: With dead ends: 47183 [2022-10-16 03:14:48,893 INFO L226 Difference]: Without dead ends: 47183 [2022-10-16 03:14:48,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:14:48,894 INFO L413 NwaCegarLoop]: 459 mSDtfsCounter, 457 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 457 SdHoareTripleChecker+Valid, 875 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:14:48,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [457 Valid, 875 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 03:14:48,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47183 states. [2022-10-16 03:14:50,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47183 to 47129. [2022-10-16 03:14:50,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47129 states, 47124 states have (on average 1.3745861981156098) internal successors, (64776), 47128 states have internal predecessors, (64776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:50,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47129 states to 47129 states and 64776 transitions. [2022-10-16 03:14:50,197 INFO L78 Accepts]: Start accepts. Automaton has 47129 states and 64776 transitions. Word has length 161 [2022-10-16 03:14:50,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:14:50,197 INFO L495 AbstractCegarLoop]: Abstraction has 47129 states and 64776 transitions. [2022-10-16 03:14:50,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 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 03:14:50,198 INFO L276 IsEmpty]: Start isEmpty. Operand 47129 states and 64776 transitions. [2022-10-16 03:14:50,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-10-16 03:14:50,595 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:14:50,596 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 03:14:50,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 03:14:50,600 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-16 03:14:50,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:14:50,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1593816879, now seen corresponding path program 1 times [2022-10-16 03:14:50,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:14:50,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11629550] [2022-10-16 03:14:50,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:14:50,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:14:50,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:14:51,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:14:51,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:14:51,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11629550] [2022-10-16 03:14:51,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11629550] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:14:51,645 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:14:51,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 03:14:51,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619329930] [2022-10-16 03:14:51,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:14:51,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:14:51,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:14:51,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:14:51,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:14:51,647 INFO L87 Difference]: Start difference. First operand 47129 states and 64776 transitions. Second operand has 9 states, 9 states have (on average 17.88888888888889) internal successors, (161), 9 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 03:14:52,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:14:52,387 INFO L93 Difference]: Finished difference Result 42651 states and 57336 transitions. [2022-10-16 03:14:52,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 03:14:52,387 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 17.88888888888889) internal successors, (161), 9 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 03:14:52,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:14:52,476 INFO L225 Difference]: With dead ends: 42651 [2022-10-16 03:14:52,477 INFO L226 Difference]: Without dead ends: 42651 [2022-10-16 03:14:52,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:14:52,478 INFO L413 NwaCegarLoop]: 517 mSDtfsCounter, 1753 mSDsluCounter, 2232 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1753 SdHoareTripleChecker+Valid, 2749 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:14:52,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1753 Valid, 2749 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 03:14:52,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42651 states. [2022-10-16 03:14:53,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42651 to 42649. [2022-10-16 03:14:53,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42649 states, 42644 states have (on average 1.3445033298940061) internal successors, (57335), 42648 states have internal predecessors, (57335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:53,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42649 states to 42649 states and 57335 transitions. [2022-10-16 03:14:53,279 INFO L78 Accepts]: Start accepts. Automaton has 42649 states and 57335 transitions. Word has length 161 [2022-10-16 03:14:53,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:14:53,280 INFO L495 AbstractCegarLoop]: Abstraction has 42649 states and 57335 transitions. [2022-10-16 03:14:53,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 17.88888888888889) internal successors, (161), 9 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 03:14:53,280 INFO L276 IsEmpty]: Start isEmpty. Operand 42649 states and 57335 transitions. [2022-10-16 03:14:53,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-10-16 03:14:53,327 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:14:53,328 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 03:14:53,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 03:14:53,328 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-16 03:14:53,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:14:53,329 INFO L85 PathProgramCache]: Analyzing trace with hash 554982836, now seen corresponding path program 1 times [2022-10-16 03:14:53,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:14:53,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131678271] [2022-10-16 03:14:53,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:14:53,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:14:53,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:14:54,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:14:54,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:14:54,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131678271] [2022-10-16 03:14:54,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131678271] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:14:54,007 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:14:54,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:14:54,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68203839] [2022-10-16 03:14:54,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:14:54,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 03:14:54,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:14:54,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 03:14:54,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 03:14:54,010 INFO L87 Difference]: Start difference. First operand 42649 states and 57335 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 03:14:54,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:14:54,139 INFO L93 Difference]: Finished difference Result 29173 states and 38982 transitions. [2022-10-16 03:14:54,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 03:14:54,140 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 03:14:54,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:14:54,199 INFO L225 Difference]: With dead ends: 29173 [2022-10-16 03:14:54,200 INFO L226 Difference]: Without dead ends: 28744 [2022-10-16 03:14:54,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:14:54,201 INFO L413 NwaCegarLoop]: 575 mSDtfsCounter, 43 mSDsluCounter, 1079 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 1654 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 03:14:54,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 1654 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:14:54,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28744 states. [2022-10-16 03:14:54,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28744 to 28744. [2022-10-16 03:14:54,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28744 states, 28739 states have (on average 1.3403389122794809) internal successors, (38520), 28743 states have internal predecessors, (38520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:54,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28744 states to 28744 states and 38520 transitions. [2022-10-16 03:14:54,967 INFO L78 Accepts]: Start accepts. Automaton has 28744 states and 38520 transitions. Word has length 161 [2022-10-16 03:14:54,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:14:54,967 INFO L495 AbstractCegarLoop]: Abstraction has 28744 states and 38520 transitions. [2022-10-16 03:14:54,967 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 03:14:54,968 INFO L276 IsEmpty]: Start isEmpty. Operand 28744 states and 38520 transitions. [2022-10-16 03:14:55,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-10-16 03:14:55,003 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:14:55,003 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] [2022-10-16 03:14:55,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 03:14:55,004 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-16 03:14:55,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:14:55,004 INFO L85 PathProgramCache]: Analyzing trace with hash 414006733, now seen corresponding path program 1 times [2022-10-16 03:14:55,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:14:55,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343598782] [2022-10-16 03:14:55,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:14:55,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:14:55,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:14:55,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:14:55,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:14:55,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343598782] [2022-10-16 03:14:55,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343598782] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:14:55,247 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:14:55,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:14:55,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662465564] [2022-10-16 03:14:55,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:14:55,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:14:55,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:14:55,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:14:55,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:14:55,251 INFO L87 Difference]: Start difference. First operand 28744 states and 38520 transitions. Second operand has 5 states, 5 states have (on average 33.8) internal successors, (169), 4 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:55,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:14:55,738 INFO L93 Difference]: Finished difference Result 28744 states and 38034 transitions. [2022-10-16 03:14:55,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:14:55,739 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.8) internal successors, (169), 4 states have internal predecessors, (169), 0 states have call successors, (0), 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 169 [2022-10-16 03:14:55,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:14:55,787 INFO L225 Difference]: With dead ends: 28744 [2022-10-16 03:14:55,787 INFO L226 Difference]: Without dead ends: 28744 [2022-10-16 03:14:55,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:14:55,788 INFO L413 NwaCegarLoop]: 408 mSDtfsCounter, 1436 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1436 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:14:55,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1436 Valid, 492 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 03:14:55,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28744 states. [2022-10-16 03:14:56,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28744 to 28744. [2022-10-16 03:14:56,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28744 states, 28739 states have (on average 1.3234280942273566) internal successors, (38034), 28743 states have internal predecessors, (38034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:56,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28744 states to 28744 states and 38034 transitions. [2022-10-16 03:14:56,550 INFO L78 Accepts]: Start accepts. Automaton has 28744 states and 38034 transitions. Word has length 169 [2022-10-16 03:14:56,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:14:56,550 INFO L495 AbstractCegarLoop]: Abstraction has 28744 states and 38034 transitions. [2022-10-16 03:14:56,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.8) internal successors, (169), 4 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:56,551 INFO L276 IsEmpty]: Start isEmpty. Operand 28744 states and 38034 transitions. [2022-10-16 03:14:56,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-10-16 03:14:56,577 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:14:56,578 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:14:56,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 03:14:56,578 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-16 03:14:56,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:14:56,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1444044968, now seen corresponding path program 1 times [2022-10-16 03:14:56,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:14:56,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575555070] [2022-10-16 03:14:56,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:14:56,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:14:56,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:14:56,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:14:56,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:14:56,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575555070] [2022-10-16 03:14:56,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575555070] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:14:56,973 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:14:56,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:14:56,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965529184] [2022-10-16 03:14:56,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:14:56,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 03:14:56,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:14:56,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 03:14:56,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 03:14:56,976 INFO L87 Difference]: Start difference. First operand 28744 states and 38034 transitions. Second operand has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:57,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:14:57,213 INFO L93 Difference]: Finished difference Result 41231 states and 53762 transitions. [2022-10-16 03:14:57,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 03:14:57,214 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 0 states have call successors, (0), 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 169 [2022-10-16 03:14:57,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:14:57,276 INFO L225 Difference]: With dead ends: 41231 [2022-10-16 03:14:57,276 INFO L226 Difference]: Without dead ends: 41231 [2022-10-16 03:14:57,276 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 03:14:57,277 INFO L413 NwaCegarLoop]: 521 mSDtfsCounter, 917 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 917 SdHoareTripleChecker+Valid, 934 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:14:57,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [917 Valid, 934 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:14:57,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41231 states. [2022-10-16 03:14:57,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41231 to 41229. [2022-10-16 03:14:58,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41229 states, 41224 states have (on average 1.3041189598292258) internal successors, (53761), 41228 states have internal predecessors, (53761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:58,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41229 states to 41229 states and 53761 transitions. [2022-10-16 03:14:58,233 INFO L78 Accepts]: Start accepts. Automaton has 41229 states and 53761 transitions. Word has length 169 [2022-10-16 03:14:58,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:14:58,234 INFO L495 AbstractCegarLoop]: Abstraction has 41229 states and 53761 transitions. [2022-10-16 03:14:58,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:58,234 INFO L276 IsEmpty]: Start isEmpty. Operand 41229 states and 53761 transitions. [2022-10-16 03:14:58,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-10-16 03:14:58,288 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:14:58,288 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] [2022-10-16 03:14:58,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 03:14:58,289 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-16 03:14:58,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:14:58,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1157430736, now seen corresponding path program 1 times [2022-10-16 03:14:58,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:14:58,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682240051] [2022-10-16 03:14:58,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:14:58,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:14:58,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:14:58,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:14:58,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:14:58,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682240051] [2022-10-16 03:14:58,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682240051] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:14:58,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:14:58,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:14:58,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782880272] [2022-10-16 03:14:58,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:14:58,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 03:14:58,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:14:58,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 03:14:58,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 03:14:58,728 INFO L87 Difference]: Start difference. First operand 41229 states and 53761 transitions. Second operand has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:14:58,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:14:58,979 INFO L93 Difference]: Finished difference Result 41826 states and 54438 transitions. [2022-10-16 03:14:58,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 03:14:58,980 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 0 states have call successors, (0), 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 169 [2022-10-16 03:14:58,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:14:59,043 INFO L225 Difference]: With dead ends: 41826 [2022-10-16 03:14:59,043 INFO L226 Difference]: Without dead ends: 41826 [2022-10-16 03:14:59,044 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:14:59,045 INFO L413 NwaCegarLoop]: 897 mSDtfsCounter, 1067 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1067 SdHoareTripleChecker+Valid, 1377 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:14:59,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1067 Valid, 1377 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:14:59,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41826 states. [2022-10-16 03:14:59,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41826 to 41517. [2022-10-16 03:14:59,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41517 states, 41512 states have (on average 1.302466756600501) internal successors, (54068), 41516 states have internal predecessors, (54068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:15:00,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41517 states to 41517 states and 54068 transitions. [2022-10-16 03:15:00,134 INFO L78 Accepts]: Start accepts. Automaton has 41517 states and 54068 transitions. Word has length 169 [2022-10-16 03:15:00,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:15:00,134 INFO L495 AbstractCegarLoop]: Abstraction has 41517 states and 54068 transitions. [2022-10-16 03:15:00,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:15:00,135 INFO L276 IsEmpty]: Start isEmpty. Operand 41517 states and 54068 transitions. [2022-10-16 03:15:00,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-10-16 03:15:00,176 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:15:00,176 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] [2022-10-16 03:15:00,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 03:15:00,177 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-16 03:15:00,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:15:00,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1236291671, now seen corresponding path program 1 times [2022-10-16 03:15:00,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:15:00,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770727203] [2022-10-16 03:15:00,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:15:00,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:15:00,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:15:00,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:15:00,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:15:00,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770727203] [2022-10-16 03:15:00,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770727203] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:15:00,563 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:15:00,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:15:00,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580097556] [2022-10-16 03:15:00,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:15:00,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 03:15:00,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:15:00,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 03:15:00,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 03:15:00,565 INFO L87 Difference]: Start difference. First operand 41517 states and 54068 transitions. Second operand has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:15:00,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:15:00,707 INFO L93 Difference]: Finished difference Result 36046 states and 46893 transitions. [2022-10-16 03:15:00,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 03:15:00,708 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 0 states have call successors, (0), 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 169 [2022-10-16 03:15:00,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:15:00,758 INFO L225 Difference]: With dead ends: 36046 [2022-10-16 03:15:00,758 INFO L226 Difference]: Without dead ends: 35944 [2022-10-16 03:15:00,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:15:00,761 INFO L413 NwaCegarLoop]: 552 mSDtfsCounter, 21 mSDsluCounter, 1060 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 1612 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 03:15:00,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 1612 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:15:00,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35944 states. [2022-10-16 03:15:01,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35944 to 35944. [2022-10-16 03:15:01,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35944 states, 35939 states have (on average 1.3019560922674531) internal successors, (46791), 35943 states have internal predecessors, (46791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:15:01,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35944 states to 35944 states and 46791 transitions. [2022-10-16 03:15:01,677 INFO L78 Accepts]: Start accepts. Automaton has 35944 states and 46791 transitions. Word has length 169 [2022-10-16 03:15:01,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:15:01,677 INFO L495 AbstractCegarLoop]: Abstraction has 35944 states and 46791 transitions. [2022-10-16 03:15:01,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:15:01,677 INFO L276 IsEmpty]: Start isEmpty. Operand 35944 states and 46791 transitions. [2022-10-16 03:15:01,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-10-16 03:15:01,711 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:15:01,711 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] [2022-10-16 03:15:01,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 03:15:01,711 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-16 03:15:01,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:15:01,712 INFO L85 PathProgramCache]: Analyzing trace with hash -855174734, now seen corresponding path program 1 times [2022-10-16 03:15:01,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:15:01,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362651664] [2022-10-16 03:15:01,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:15:01,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:15:01,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:15:05,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:15:05,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:15:05,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362651664] [2022-10-16 03:15:05,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362651664] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:15:05,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:15:05,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-10-16 03:15:05,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432390858] [2022-10-16 03:15:05,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:15:05,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-10-16 03:15:05,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:15:05,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-10-16 03:15:05,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2022-10-16 03:15:05,218 INFO L87 Difference]: Start difference. First operand 35944 states and 46791 transitions. Second operand has 23 states, 23 states have (on average 7.434782608695652) internal successors, (171), 23 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:15:19,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:15:19,858 INFO L93 Difference]: Finished difference Result 63355 states and 85440 transitions. [2022-10-16 03:15:19,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-10-16 03:15:19,863 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 7.434782608695652) internal successors, (171), 23 states have internal predecessors, (171), 0 states have call successors, (0), 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 171 [2022-10-16 03:15:19,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:15:19,958 INFO L225 Difference]: With dead ends: 63355 [2022-10-16 03:15:19,958 INFO L226 Difference]: Without dead ends: 63355 [2022-10-16 03:15:19,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 706 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=924, Invalid=2982, Unknown=0, NotChecked=0, Total=3906 [2022-10-16 03:15:19,960 INFO L413 NwaCegarLoop]: 1174 mSDtfsCounter, 6546 mSDsluCounter, 15345 mSDsCounter, 0 mSdLazyCounter, 5711 mSolverCounterSat, 248 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6546 SdHoareTripleChecker+Valid, 16519 SdHoareTripleChecker+Invalid, 5959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 248 IncrementalHoareTripleChecker+Valid, 5711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:15:19,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6546 Valid, 16519 Invalid, 5959 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [248 Valid, 5711 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-10-16 03:15:20,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63355 states. [2022-10-16 03:15:20,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63355 to 37638. [2022-10-16 03:15:20,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37638 states, 37633 states have (on average 1.2972656976589696) internal successors, (48820), 37637 states have internal predecessors, (48820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:15:20,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37638 states to 37638 states and 48820 transitions. [2022-10-16 03:15:20,985 INFO L78 Accepts]: Start accepts. Automaton has 37638 states and 48820 transitions. Word has length 171 [2022-10-16 03:15:20,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:15:20,986 INFO L495 AbstractCegarLoop]: Abstraction has 37638 states and 48820 transitions. [2022-10-16 03:15:20,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 7.434782608695652) internal successors, (171), 23 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:15:20,987 INFO L276 IsEmpty]: Start isEmpty. Operand 37638 states and 48820 transitions. [2022-10-16 03:15:21,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-10-16 03:15:21,029 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:15:21,030 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:15:21,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 03:15:21,030 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-16 03:15:21,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:15:21,031 INFO L85 PathProgramCache]: Analyzing trace with hash -176781235, now seen corresponding path program 1 times [2022-10-16 03:15:21,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:15:21,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968817353] [2022-10-16 03:15:21,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:15:21,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:15:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:15:21,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:15:21,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:15:21,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968817353] [2022-10-16 03:15:21,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968817353] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:15:21,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:15:21,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 03:15:21,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364825349] [2022-10-16 03:15:21,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:15:21,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 03:15:21,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:15:21,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 03:15:21,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-10-16 03:15:21,572 INFO L87 Difference]: Start difference. First operand 37638 states and 48820 transitions. Second operand has 10 states, 10 states have (on average 17.1) internal successors, (171), 9 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:15:21,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:15:21,844 INFO L93 Difference]: Finished difference Result 26230 states and 34556 transitions. [2022-10-16 03:15:21,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:15:21,845 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.1) internal successors, (171), 9 states have internal predecessors, (171), 0 states have call successors, (0), 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 171 [2022-10-16 03:15:21,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:15:21,885 INFO L225 Difference]: With dead ends: 26230 [2022-10-16 03:15:21,885 INFO L226 Difference]: Without dead ends: 26230 [2022-10-16 03:15:21,886 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:15:21,888 INFO L413 NwaCegarLoop]: 411 mSDtfsCounter, 2013 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2013 SdHoareTripleChecker+Valid, 667 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:15:21,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2013 Valid, 667 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:15:21,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26230 states. [2022-10-16 03:15:22,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26230 to 20547. [2022-10-16 03:15:22,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20547 states, 20542 states have (on average 1.2806932139032228) internal successors, (26308), 20546 states have internal predecessors, (26308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:15:22,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20547 states to 20547 states and 26308 transitions. [2022-10-16 03:15:22,625 INFO L78 Accepts]: Start accepts. Automaton has 20547 states and 26308 transitions. Word has length 171 [2022-10-16 03:15:22,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:15:22,626 INFO L495 AbstractCegarLoop]: Abstraction has 20547 states and 26308 transitions. [2022-10-16 03:15:22,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.1) internal successors, (171), 9 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:15:22,627 INFO L276 IsEmpty]: Start isEmpty. Operand 20547 states and 26308 transitions. [2022-10-16 03:15:22,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-10-16 03:15:22,651 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:15:22,652 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] [2022-10-16 03:15:22,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 03:15:22,652 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-16 03:15:22,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:15:22,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1795637352, now seen corresponding path program 1 times [2022-10-16 03:15:22,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:15:22,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991913135] [2022-10-16 03:15:22,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:15:22,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:15:22,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:15:25,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:15:25,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:15:25,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991913135] [2022-10-16 03:15:25,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991913135] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:15:25,881 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:15:25,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-10-16 03:15:25,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640619264] [2022-10-16 03:15:25,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:15:25,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-10-16 03:15:25,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:15:25,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-10-16 03:15:25,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2022-10-16 03:15:25,884 INFO L87 Difference]: Start difference. First operand 20547 states and 26308 transitions. Second operand has 24 states, 24 states have (on average 7.125) internal successors, (171), 24 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:15:37,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:15:37,006 INFO L93 Difference]: Finished difference Result 38945 states and 52093 transitions. [2022-10-16 03:15:37,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-10-16 03:15:37,006 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 7.125) internal successors, (171), 24 states have internal predecessors, (171), 0 states have call successors, (0), 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 171 [2022-10-16 03:15:37,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:15:37,088 INFO L225 Difference]: With dead ends: 38945 [2022-10-16 03:15:37,089 INFO L226 Difference]: Without dead ends: 38945 [2022-10-16 03:15:37,090 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 515 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=809, Invalid=2383, Unknown=0, NotChecked=0, Total=3192 [2022-10-16 03:15:37,090 INFO L413 NwaCegarLoop]: 937 mSDtfsCounter, 6729 mSDsluCounter, 12889 mSDsCounter, 0 mSdLazyCounter, 4599 mSolverCounterSat, 244 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6729 SdHoareTripleChecker+Valid, 13826 SdHoareTripleChecker+Invalid, 4843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 244 IncrementalHoareTripleChecker+Valid, 4599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:15:37,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6729 Valid, 13826 Invalid, 4843 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [244 Valid, 4599 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-10-16 03:15:37,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38945 states. [2022-10-16 03:15:37,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38945 to 22318. [2022-10-16 03:15:37,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22318 states, 22313 states have (on average 1.2737417648904226) internal successors, (28421), 22317 states have internal predecessors, (28421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:15:37,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22318 states to 22318 states and 28421 transitions. [2022-10-16 03:15:37,452 INFO L78 Accepts]: Start accepts. Automaton has 22318 states and 28421 transitions. Word has length 171 [2022-10-16 03:15:37,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:15:37,452 INFO L495 AbstractCegarLoop]: Abstraction has 22318 states and 28421 transitions. [2022-10-16 03:15:37,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 7.125) internal successors, (171), 24 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:15:37,453 INFO L276 IsEmpty]: Start isEmpty. Operand 22318 states and 28421 transitions. [2022-10-16 03:15:37,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-10-16 03:15:37,470 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:15:37,470 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] [2022-10-16 03:15:37,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 03:15:37,471 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-16 03:15:37,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:15:37,471 INFO L85 PathProgramCache]: Analyzing trace with hash 367317059, now seen corresponding path program 1 times [2022-10-16 03:15:37,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:15:37,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082731287] [2022-10-16 03:15:37,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:15:37,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:15:37,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:15:37,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:15:37,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:15:37,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082731287] [2022-10-16 03:15:37,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082731287] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:15:37,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:15:37,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:15:37,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940709898] [2022-10-16 03:15:37,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:15:37,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:15:37,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:15:37,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:15:37,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:15:37,587 INFO L87 Difference]: Start difference. First operand 22318 states and 28421 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:15:37,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:15:37,877 INFO L93 Difference]: Finished difference Result 38322 states and 48930 transitions. [2022-10-16 03:15:37,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:15:37,877 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 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 171 [2022-10-16 03:15:37,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:15:37,935 INFO L225 Difference]: With dead ends: 38322 [2022-10-16 03:15:37,935 INFO L226 Difference]: Without dead ends: 38322 [2022-10-16 03:15:37,936 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:15:37,937 INFO L413 NwaCegarLoop]: 619 mSDtfsCounter, 343 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 1018 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:15:37,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [343 Valid, 1018 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 03:15:37,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38322 states. [2022-10-16 03:15:38,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38322 to 37804. [2022-10-16 03:15:38,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37804 states, 37799 states have (on average 1.2763565173681843) internal successors, (48245), 37803 states have internal predecessors, (48245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:15:38,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37804 states to 37804 states and 48245 transitions. [2022-10-16 03:15:38,797 INFO L78 Accepts]: Start accepts. Automaton has 37804 states and 48245 transitions. Word has length 171 [2022-10-16 03:15:38,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:15:38,798 INFO L495 AbstractCegarLoop]: Abstraction has 37804 states and 48245 transitions. [2022-10-16 03:15:38,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:15:38,798 INFO L276 IsEmpty]: Start isEmpty. Operand 37804 states and 48245 transitions. [2022-10-16 03:15:38,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-10-16 03:15:38,839 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:15:38,839 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] [2022-10-16 03:15:38,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 03:15:38,840 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 03:15:38,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:15:38,840 INFO L85 PathProgramCache]: Analyzing trace with hash -1127609204, now seen corresponding path program 1 times [2022-10-16 03:15:38,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:15:38,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913726916] [2022-10-16 03:15:38,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:15:38,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:15:39,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:15:41,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:15:41,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:15:41,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913726916] [2022-10-16 03:15:41,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913726916] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:15:41,740 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:15:41,741 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-10-16 03:15:41,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020609037] [2022-10-16 03:15:41,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:15:41,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-10-16 03:15:41,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:15:41,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-10-16 03:15:41,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=494, Unknown=0, NotChecked=0, Total=552 [2022-10-16 03:15:41,743 INFO L87 Difference]: Start difference. First operand 37804 states and 48245 transitions. Second operand has 24 states, 24 states have (on average 7.125) internal successors, (171), 24 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:15:51,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:15:51,589 INFO L93 Difference]: Finished difference Result 59372 states and 78555 transitions. [2022-10-16 03:15:51,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-10-16 03:15:51,590 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 7.125) internal successors, (171), 24 states have internal predecessors, (171), 0 states have call successors, (0), 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 171 [2022-10-16 03:15:51,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:15:51,663 INFO L225 Difference]: With dead ends: 59372 [2022-10-16 03:15:51,663 INFO L226 Difference]: Without dead ends: 59372 [2022-10-16 03:15:51,664 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=581, Invalid=1869, Unknown=0, NotChecked=0, Total=2450 [2022-10-16 03:15:51,665 INFO L413 NwaCegarLoop]: 1014 mSDtfsCounter, 6477 mSDsluCounter, 15026 mSDsCounter, 0 mSdLazyCounter, 5105 mSolverCounterSat, 165 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6477 SdHoareTripleChecker+Valid, 16040 SdHoareTripleChecker+Invalid, 5270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 165 IncrementalHoareTripleChecker+Valid, 5105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:15:51,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6477 Valid, 16040 Invalid, 5270 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [165 Valid, 5105 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-10-16 03:15:51,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59372 states. [2022-10-16 03:15:52,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59372 to 39251. [2022-10-16 03:15:52,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39251 states, 39246 states have (on average 1.2729959741120114) internal successors, (49960), 39250 states have internal predecessors, (49960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:15:52,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39251 states to 39251 states and 49960 transitions. [2022-10-16 03:15:52,341 INFO L78 Accepts]: Start accepts. Automaton has 39251 states and 49960 transitions. Word has length 171 [2022-10-16 03:15:52,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:15:52,341 INFO L495 AbstractCegarLoop]: Abstraction has 39251 states and 49960 transitions. [2022-10-16 03:15:52,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 7.125) internal successors, (171), 24 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:15:52,341 INFO L276 IsEmpty]: Start isEmpty. Operand 39251 states and 49960 transitions. [2022-10-16 03:15:52,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-10-16 03:15:52,372 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:15:52,372 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] [2022-10-16 03:15:52,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 03:15:52,373 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-16 03:15:52,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:15:52,373 INFO L85 PathProgramCache]: Analyzing trace with hash 2108510481, now seen corresponding path program 1 times [2022-10-16 03:15:52,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:15:52,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534537139] [2022-10-16 03:15:52,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:15:52,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:15:52,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:15:53,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:15:53,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:15:53,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534537139] [2022-10-16 03:15:53,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534537139] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:15:53,678 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:15:53,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-10-16 03:15:53,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384796172] [2022-10-16 03:15:53,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:15:53,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-10-16 03:15:53,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:15:53,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-10-16 03:15:53,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2022-10-16 03:15:53,680 INFO L87 Difference]: Start difference. First operand 39251 states and 49960 transitions. Second operand has 16 states, 16 states have (on average 10.6875) internal successors, (171), 16 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:15:56,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:15:56,351 INFO L93 Difference]: Finished difference Result 102217 states and 137903 transitions. [2022-10-16 03:15:56,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-10-16 03:15:56,352 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 10.6875) internal successors, (171), 16 states have internal predecessors, (171), 0 states have call successors, (0), 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 171 [2022-10-16 03:15:56,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:15:56,503 INFO L225 Difference]: With dead ends: 102217 [2022-10-16 03:15:56,503 INFO L226 Difference]: Without dead ends: 102134 [2022-10-16 03:15:56,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=389, Invalid=1171, Unknown=0, NotChecked=0, Total=1560 [2022-10-16 03:15:56,505 INFO L413 NwaCegarLoop]: 1040 mSDtfsCounter, 5497 mSDsluCounter, 8621 mSDsCounter, 0 mSdLazyCounter, 2160 mSolverCounterSat, 228 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5497 SdHoareTripleChecker+Valid, 9661 SdHoareTripleChecker+Invalid, 2388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 228 IncrementalHoareTripleChecker+Valid, 2160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:15:56,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5497 Valid, 9661 Invalid, 2388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [228 Valid, 2160 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 03:15:56,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102134 states. [2022-10-16 03:15:57,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102134 to 50673. [2022-10-16 03:15:57,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50673 states, 50668 states have (on average 1.2525657219546853) internal successors, (63465), 50672 states have internal predecessors, (63465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:15:57,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50673 states to 50673 states and 63465 transitions. [2022-10-16 03:15:57,915 INFO L78 Accepts]: Start accepts. Automaton has 50673 states and 63465 transitions. Word has length 171 [2022-10-16 03:15:57,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:15:57,916 INFO L495 AbstractCegarLoop]: Abstraction has 50673 states and 63465 transitions. [2022-10-16 03:15:57,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.6875) internal successors, (171), 16 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:15:57,916 INFO L276 IsEmpty]: Start isEmpty. Operand 50673 states and 63465 transitions. [2022-10-16 03:15:57,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-10-16 03:15:57,958 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:15:57,958 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] [2022-10-16 03:15:57,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 03:15:57,959 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-16 03:15:57,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:15:57,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1138208644, now seen corresponding path program 1 times [2022-10-16 03:15:57,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:15:57,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951414295] [2022-10-16 03:15:57,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:15:57,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:15:58,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:15:59,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:15:59,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:15:59,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951414295] [2022-10-16 03:15:59,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951414295] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:15:59,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:15:59,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-10-16 03:15:59,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061499969] [2022-10-16 03:15:59,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:15:59,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-10-16 03:15:59,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:15:59,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-10-16 03:15:59,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2022-10-16 03:15:59,449 INFO L87 Difference]: Start difference. First operand 50673 states and 63465 transitions. Second operand has 16 states, 16 states have (on average 10.6875) internal successors, (171), 16 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:16:02,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:16:02,845 INFO L93 Difference]: Finished difference Result 78786 states and 101016 transitions. [2022-10-16 03:16:02,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-10-16 03:16:02,845 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 10.6875) internal successors, (171), 16 states have internal predecessors, (171), 0 states have call successors, (0), 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 171 [2022-10-16 03:16:02,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:16:02,932 INFO L225 Difference]: With dead ends: 78786 [2022-10-16 03:16:02,932 INFO L226 Difference]: Without dead ends: 78786 [2022-10-16 03:16:02,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 500 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=724, Invalid=1826, Unknown=0, NotChecked=0, Total=2550 [2022-10-16 03:16:02,934 INFO L413 NwaCegarLoop]: 1115 mSDtfsCounter, 6462 mSDsluCounter, 7611 mSDsCounter, 0 mSdLazyCounter, 1807 mSolverCounterSat, 210 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6462 SdHoareTripleChecker+Valid, 8726 SdHoareTripleChecker+Invalid, 2017 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 210 IncrementalHoareTripleChecker+Valid, 1807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:16:02,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6462 Valid, 8726 Invalid, 2017 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [210 Valid, 1807 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 03:16:02,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78786 states. [2022-10-16 03:16:03,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78786 to 57711. [2022-10-16 03:16:03,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57711 states, 57706 states have (on average 1.2395764738502062) internal successors, (71531), 57710 states have internal predecessors, (71531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:16:04,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57711 states to 57711 states and 71531 transitions. [2022-10-16 03:16:04,023 INFO L78 Accepts]: Start accepts. Automaton has 57711 states and 71531 transitions. Word has length 171 [2022-10-16 03:16:04,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:16:04,024 INFO L495 AbstractCegarLoop]: Abstraction has 57711 states and 71531 transitions. [2022-10-16 03:16:04,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.6875) internal successors, (171), 16 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:16:04,024 INFO L276 IsEmpty]: Start isEmpty. Operand 57711 states and 71531 transitions. [2022-10-16 03:16:04,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-10-16 03:16:04,067 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:16:04,067 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] [2022-10-16 03:16:04,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 03:16:04,068 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-16 03:16:04,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:16:04,068 INFO L85 PathProgramCache]: Analyzing trace with hash 899792804, now seen corresponding path program 1 times [2022-10-16 03:16:04,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:16:04,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961374581] [2022-10-16 03:16:04,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:16:04,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:16:04,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:16:06,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:16:06,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:16:06,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961374581] [2022-10-16 03:16:06,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961374581] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:16:06,881 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:16:06,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-10-16 03:16:06,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800392348] [2022-10-16 03:16:06,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:16:06,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-10-16 03:16:06,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:16:06,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-10-16 03:16:06,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2022-10-16 03:16:06,883 INFO L87 Difference]: Start difference. First operand 57711 states and 71531 transitions. Second operand has 22 states, 22 states have (on average 7.7727272727272725) internal successors, (171), 22 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:16:20,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:16:20,597 INFO L93 Difference]: Finished difference Result 135007 states and 181481 transitions. [2022-10-16 03:16:20,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-10-16 03:16:20,598 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 7.7727272727272725) internal successors, (171), 22 states have internal predecessors, (171), 0 states have call successors, (0), 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 171 [2022-10-16 03:16:20,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:16:20,799 INFO L225 Difference]: With dead ends: 135007 [2022-10-16 03:16:20,799 INFO L226 Difference]: Without dead ends: 135007 [2022-10-16 03:16:20,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1330 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=1230, Invalid=4470, Unknown=0, NotChecked=0, Total=5700 [2022-10-16 03:16:20,801 INFO L413 NwaCegarLoop]: 1197 mSDtfsCounter, 6925 mSDsluCounter, 15173 mSDsCounter, 0 mSdLazyCounter, 5302 mSolverCounterSat, 334 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6925 SdHoareTripleChecker+Valid, 16370 SdHoareTripleChecker+Invalid, 5636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 334 IncrementalHoareTripleChecker+Valid, 5302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-10-16 03:16:20,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6925 Valid, 16370 Invalid, 5636 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [334 Valid, 5302 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-10-16 03:16:20,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135007 states. [2022-10-16 03:16:22,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135007 to 58959. [2022-10-16 03:16:22,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58959 states, 58954 states have (on average 1.2377277199172236) internal successors, (72969), 58958 states have internal predecessors, (72969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:16:22,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58959 states to 58959 states and 72969 transitions. [2022-10-16 03:16:22,589 INFO L78 Accepts]: Start accepts. Automaton has 58959 states and 72969 transitions. Word has length 171 [2022-10-16 03:16:22,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:16:22,589 INFO L495 AbstractCegarLoop]: Abstraction has 58959 states and 72969 transitions. [2022-10-16 03:16:22,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 7.7727272727272725) internal successors, (171), 22 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:16:22,589 INFO L276 IsEmpty]: Start isEmpty. Operand 58959 states and 72969 transitions. [2022-10-16 03:16:22,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-10-16 03:16:22,642 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:16:22,642 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] [2022-10-16 03:16:22,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 03:16:22,643 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-16 03:16:22,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:16:22,643 INFO L85 PathProgramCache]: Analyzing trace with hash -528527489, now seen corresponding path program 1 times [2022-10-16 03:16:22,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:16:22,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213089542] [2022-10-16 03:16:22,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:16:22,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:16:22,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:16:23,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:16:23,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:16:23,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213089542] [2022-10-16 03:16:23,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213089542] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:16:23,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:16:23,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 03:16:23,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705209207] [2022-10-16 03:16:23,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:16:23,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 03:16:23,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:16:23,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 03:16:23,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-10-16 03:16:23,416 INFO L87 Difference]: Start difference. First operand 58959 states and 72969 transitions. Second operand has 10 states, 10 states have (on average 17.1) internal successors, (171), 9 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:16:23,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:16:23,668 INFO L93 Difference]: Finished difference Result 43066 states and 53516 transitions. [2022-10-16 03:16:23,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:16:23,669 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.1) internal successors, (171), 9 states have internal predecessors, (171), 0 states have call successors, (0), 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 171 [2022-10-16 03:16:23,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:16:23,712 INFO L225 Difference]: With dead ends: 43066 [2022-10-16 03:16:23,712 INFO L226 Difference]: Without dead ends: 43066 [2022-10-16 03:16:23,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:16:23,713 INFO L413 NwaCegarLoop]: 401 mSDtfsCounter, 1495 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1495 SdHoareTripleChecker+Valid, 716 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:16:23,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1495 Valid, 716 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:16:23,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43066 states. [2022-10-16 03:16:24,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43066 to 38608. [2022-10-16 03:16:24,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38608 states, 38603 states have (on average 1.2158122425718207) internal successors, (46934), 38607 states have internal predecessors, (46934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:16:24,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38608 states to 38608 states and 46934 transitions. [2022-10-16 03:16:24,434 INFO L78 Accepts]: Start accepts. Automaton has 38608 states and 46934 transitions. Word has length 171 [2022-10-16 03:16:24,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:16:24,434 INFO L495 AbstractCegarLoop]: Abstraction has 38608 states and 46934 transitions. [2022-10-16 03:16:24,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.1) internal successors, (171), 9 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:16:24,434 INFO L276 IsEmpty]: Start isEmpty. Operand 38608 states and 46934 transitions. [2022-10-16 03:16:24,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-10-16 03:16:24,472 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:16:24,473 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:16:24,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 03:16:24,473 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-16 03:16:24,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:16:24,474 INFO L85 PathProgramCache]: Analyzing trace with hash -538738303, now seen corresponding path program 1 times [2022-10-16 03:16:24,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:16:24,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055271623] [2022-10-16 03:16:24,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:16:24,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:16:24,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:16:25,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:16:25,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:16:25,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055271623] [2022-10-16 03:16:25,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055271623] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:16:25,556 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:16:25,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-10-16 03:16:25,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596993609] [2022-10-16 03:16:25,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:16:25,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 03:16:25,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:16:25,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 03:16:25,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2022-10-16 03:16:25,558 INFO L87 Difference]: Start difference. First operand 38608 states and 46934 transitions. Second operand has 13 states, 13 states have (on average 13.153846153846153) internal successors, (171), 13 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:16:27,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:16:27,427 INFO L93 Difference]: Finished difference Result 72873 states and 91245 transitions. [2022-10-16 03:16:27,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-10-16 03:16:27,428 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 13.153846153846153) internal successors, (171), 13 states have internal predecessors, (171), 0 states have call successors, (0), 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 171 [2022-10-16 03:16:27,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:16:27,506 INFO L225 Difference]: With dead ends: 72873 [2022-10-16 03:16:27,506 INFO L226 Difference]: Without dead ends: 72873 [2022-10-16 03:16:27,507 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=228, Invalid=702, Unknown=0, NotChecked=0, Total=930 [2022-10-16 03:16:27,508 INFO L413 NwaCegarLoop]: 763 mSDtfsCounter, 4277 mSDsluCounter, 6696 mSDsCounter, 0 mSdLazyCounter, 1400 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4277 SdHoareTripleChecker+Valid, 7459 SdHoareTripleChecker+Invalid, 1580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 1400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:16:27,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4277 Valid, 7459 Invalid, 1580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 1400 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 03:16:27,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72873 states. [2022-10-16 03:16:28,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72873 to 44983. [2022-10-16 03:16:28,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44983 states, 44978 states have (on average 1.2102361154342123) internal successors, (54434), 44982 states have internal predecessors, (54434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:16:28,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44983 states to 44983 states and 54434 transitions. [2022-10-16 03:16:28,286 INFO L78 Accepts]: Start accepts. Automaton has 44983 states and 54434 transitions. Word has length 171 [2022-10-16 03:16:28,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:16:28,286 INFO L495 AbstractCegarLoop]: Abstraction has 44983 states and 54434 transitions. [2022-10-16 03:16:28,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 13.153846153846153) internal successors, (171), 13 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:16:28,287 INFO L276 IsEmpty]: Start isEmpty. Operand 44983 states and 54434 transitions. [2022-10-16 03:16:28,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-10-16 03:16:28,326 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:16:28,327 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] [2022-10-16 03:16:28,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-16 03:16:28,327 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-16 03:16:28,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:16:28,328 INFO L85 PathProgramCache]: Analyzing trace with hash -888234575, now seen corresponding path program 1 times [2022-10-16 03:16:28,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:16:28,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871612788] [2022-10-16 03:16:28,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:16:28,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:16:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:16:31,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:16:31,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:16:31,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871612788] [2022-10-16 03:16:31,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871612788] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:16:31,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:16:31,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-10-16 03:16:31,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652374869] [2022-10-16 03:16:31,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:16:31,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-10-16 03:16:31,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:16:31,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-10-16 03:16:31,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2022-10-16 03:16:31,428 INFO L87 Difference]: Start difference. First operand 44983 states and 54434 transitions. Second operand has 23 states, 23 states have (on average 7.434782608695652) internal successors, (171), 23 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:16:44,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:16:44,994 INFO L93 Difference]: Finished difference Result 106903 states and 138737 transitions. [2022-10-16 03:16:44,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-10-16 03:16:44,995 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 7.434782608695652) internal successors, (171), 23 states have internal predecessors, (171), 0 states have call successors, (0), 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 171 [2022-10-16 03:16:44,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:16:45,125 INFO L225 Difference]: With dead ends: 106903 [2022-10-16 03:16:45,125 INFO L226 Difference]: Without dead ends: 106903 [2022-10-16 03:16:45,126 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 889 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=772, Invalid=3260, Unknown=0, NotChecked=0, Total=4032 [2022-10-16 03:16:45,128 INFO L413 NwaCegarLoop]: 1463 mSDtfsCounter, 8825 mSDsluCounter, 18211 mSDsCounter, 0 mSdLazyCounter, 6109 mSolverCounterSat, 313 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8825 SdHoareTripleChecker+Valid, 19674 SdHoareTripleChecker+Invalid, 6422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 313 IncrementalHoareTripleChecker+Valid, 6109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:16:45,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8825 Valid, 19674 Invalid, 6422 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [313 Valid, 6109 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-10-16 03:16:45,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106903 states. [2022-10-16 03:16:46,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106903 to 49065. [2022-10-16 03:16:46,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49065 states, 49060 states have (on average 1.2071952710966163) internal successors, (59225), 49064 states have internal predecessors, (59225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:16:46,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49065 states to 49065 states and 59225 transitions. [2022-10-16 03:16:46,442 INFO L78 Accepts]: Start accepts. Automaton has 49065 states and 59225 transitions. Word has length 171 [2022-10-16 03:16:46,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:16:46,443 INFO L495 AbstractCegarLoop]: Abstraction has 49065 states and 59225 transitions. [2022-10-16 03:16:46,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 7.434782608695652) internal successors, (171), 23 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:16:46,443 INFO L276 IsEmpty]: Start isEmpty. Operand 49065 states and 59225 transitions. [2022-10-16 03:16:46,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-10-16 03:16:46,489 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:16:46,489 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] [2022-10-16 03:16:46,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-16 03:16:46,490 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-16 03:16:46,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:16:46,490 INFO L85 PathProgramCache]: Analyzing trace with hash 870629111, now seen corresponding path program 1 times [2022-10-16 03:16:46,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:16:46,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475045552] [2022-10-16 03:16:46,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:16:46,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:16:46,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:16:47,684 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 03:16:47,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:16:47,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475045552] [2022-10-16 03:16:47,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475045552] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:16:47,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:16:47,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-10-16 03:16:47,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232782988] [2022-10-16 03:16:47,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:16:47,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-10-16 03:16:47,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:16:47,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-10-16 03:16:47,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2022-10-16 03:16:47,687 INFO L87 Difference]: Start difference. First operand 49065 states and 59225 transitions. Second operand has 16 states, 16 states have (on average 10.6875) internal successors, (171), 16 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:16:51,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:16:51,297 INFO L93 Difference]: Finished difference Result 81533 states and 100206 transitions. [2022-10-16 03:16:51,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-10-16 03:16:51,298 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 10.6875) internal successors, (171), 16 states have internal predecessors, (171), 0 states have call successors, (0), 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 171 [2022-10-16 03:16:51,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:16:51,371 INFO L225 Difference]: With dead ends: 81533 [2022-10-16 03:16:51,371 INFO L226 Difference]: Without dead ends: 81533 [2022-10-16 03:16:51,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 500 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=724, Invalid=1826, Unknown=0, NotChecked=0, Total=2550 [2022-10-16 03:16:51,375 INFO L413 NwaCegarLoop]: 1229 mSDtfsCounter, 4816 mSDsluCounter, 9017 mSDsCounter, 0 mSdLazyCounter, 2204 mSolverCounterSat, 210 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4816 SdHoareTripleChecker+Valid, 10246 SdHoareTripleChecker+Invalid, 2414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 210 IncrementalHoareTripleChecker+Valid, 2204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:16:51,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4816 Valid, 10246 Invalid, 2414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [210 Valid, 2204 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 03:16:51,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81533 states. [2022-10-16 03:16:52,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81533 to 64535. [2022-10-16 03:16:52,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64535 states, 64530 states have (on average 1.195676429567643) internal successors, (77157), 64534 states have internal predecessors, (77157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:16:52,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64535 states to 64535 states and 77157 transitions. [2022-10-16 03:16:52,548 INFO L78 Accepts]: Start accepts. Automaton has 64535 states and 77157 transitions. Word has length 171 [2022-10-16 03:16:52,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:16:52,548 INFO L495 AbstractCegarLoop]: Abstraction has 64535 states and 77157 transitions. [2022-10-16 03:16:52,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.6875) internal successors, (171), 16 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:16:52,548 INFO L276 IsEmpty]: Start isEmpty. Operand 64535 states and 77157 transitions. [2022-10-16 03:16:52,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-10-16 03:16:52,616 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:16:52,617 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] [2022-10-16 03:16:52,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-16 03:16:52,617 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-16 03:16:52,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:16:52,618 INFO L85 PathProgramCache]: Analyzing trace with hash -871130332, now seen corresponding path program 1 times [2022-10-16 03:16:52,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:16:52,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150991603] [2022-10-16 03:16:52,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:16:52,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:16:52,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:16:53,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:16:53,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:16:53,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150991603] [2022-10-16 03:16:53,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150991603] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:16:53,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:16:53,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-10-16 03:16:53,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160336786] [2022-10-16 03:16:53,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:16:53,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-10-16 03:16:53,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:16:53,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-10-16 03:16:53,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2022-10-16 03:16:53,991 INFO L87 Difference]: Start difference. First operand 64535 states and 77157 transitions. Second operand has 16 states, 16 states have (on average 10.6875) internal successors, (171), 16 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:16:57,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:16:57,603 INFO L93 Difference]: Finished difference Result 133648 states and 168330 transitions. [2022-10-16 03:16:57,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-10-16 03:16:57,603 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 10.6875) internal successors, (171), 16 states have internal predecessors, (171), 0 states have call successors, (0), 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 171 [2022-10-16 03:16:57,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:16:57,751 INFO L225 Difference]: With dead ends: 133648 [2022-10-16 03:16:57,751 INFO L226 Difference]: Without dead ends: 133452 [2022-10-16 03:16:57,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 436 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=655, Invalid=1697, Unknown=0, NotChecked=0, Total=2352 [2022-10-16 03:16:57,752 INFO L413 NwaCegarLoop]: 1232 mSDtfsCounter, 6536 mSDsluCounter, 9904 mSDsCounter, 0 mSdLazyCounter, 2082 mSolverCounterSat, 278 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6536 SdHoareTripleChecker+Valid, 11136 SdHoareTripleChecker+Invalid, 2360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 278 IncrementalHoareTripleChecker+Valid, 2082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:16:57,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6536 Valid, 11136 Invalid, 2360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [278 Valid, 2082 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 03:16:57,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133452 states. [2022-10-16 03:16:59,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133452 to 75263. [2022-10-16 03:16:59,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75263 states, 75258 states have (on average 1.1898004198889154) internal successors, (89542), 75262 states have internal predecessors, (89542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:16:59,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75263 states to 75263 states and 89542 transitions. [2022-10-16 03:16:59,650 INFO L78 Accepts]: Start accepts. Automaton has 75263 states and 89542 transitions. Word has length 171 [2022-10-16 03:16:59,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:16:59,651 INFO L495 AbstractCegarLoop]: Abstraction has 75263 states and 89542 transitions. [2022-10-16 03:16:59,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.6875) internal successors, (171), 16 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:16:59,651 INFO L276 IsEmpty]: Start isEmpty. Operand 75263 states and 89542 transitions. [2022-10-16 03:16:59,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-10-16 03:16:59,739 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:16:59,739 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] [2022-10-16 03:16:59,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-16 03:16:59,739 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-16 03:16:59,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:16:59,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1221057580, now seen corresponding path program 1 times [2022-10-16 03:16:59,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:16:59,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678074649] [2022-10-16 03:16:59,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:16:59,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:16:59,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:17:03,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:17:03,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:17:03,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678074649] [2022-10-16 03:17:03,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678074649] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:17:03,173 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:17:03,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-10-16 03:17:03,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809378408] [2022-10-16 03:17:03,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:17:03,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-10-16 03:17:03,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:17:03,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-10-16 03:17:03,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2022-10-16 03:17:03,176 INFO L87 Difference]: Start difference. First operand 75263 states and 89542 transitions. Second operand has 23 states, 23 states have (on average 7.434782608695652) internal successors, (171), 23 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:17:13,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:17:13,681 INFO L93 Difference]: Finished difference Result 96089 states and 116003 transitions. [2022-10-16 03:17:13,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-10-16 03:17:13,682 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 7.434782608695652) internal successors, (171), 23 states have internal predecessors, (171), 0 states have call successors, (0), 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 171 [2022-10-16 03:17:13,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:17:13,799 INFO L225 Difference]: With dead ends: 96089 [2022-10-16 03:17:13,799 INFO L226 Difference]: Without dead ends: 95987 [2022-10-16 03:17:13,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=379, Invalid=1103, Unknown=0, NotChecked=0, Total=1482 [2022-10-16 03:17:13,801 INFO L413 NwaCegarLoop]: 1458 mSDtfsCounter, 2859 mSDsluCounter, 18133 mSDsCounter, 0 mSdLazyCounter, 6503 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2859 SdHoareTripleChecker+Valid, 19591 SdHoareTripleChecker+Invalid, 6545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 6503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:17:13,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2859 Valid, 19591 Invalid, 6545 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [42 Valid, 6503 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-10-16 03:17:13,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95987 states. [2022-10-16 03:17:14,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95987 to 79662. [2022-10-16 03:17:14,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79662 states, 79657 states have (on average 1.1877675533851388) internal successors, (94614), 79661 states have internal predecessors, (94614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:17:15,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79662 states to 79662 states and 94614 transitions. [2022-10-16 03:17:15,102 INFO L78 Accepts]: Start accepts. Automaton has 79662 states and 94614 transitions. Word has length 171 [2022-10-16 03:17:15,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:17:15,102 INFO L495 AbstractCegarLoop]: Abstraction has 79662 states and 94614 transitions. [2022-10-16 03:17:15,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 7.434782608695652) internal successors, (171), 23 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:17:15,102 INFO L276 IsEmpty]: Start isEmpty. Operand 79662 states and 94614 transitions. [2022-10-16 03:17:15,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-10-16 03:17:15,180 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:17:15,180 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] [2022-10-16 03:17:15,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-10-16 03:17:15,181 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-16 03:17:15,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:17:15,182 INFO L85 PathProgramCache]: Analyzing trace with hash -269347805, now seen corresponding path program 1 times [2022-10-16 03:17:15,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:17:15,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547225821] [2022-10-16 03:17:15,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:17:15,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:17:15,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:17:16,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:17:16,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:17:16,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547225821] [2022-10-16 03:17:16,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547225821] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:17:16,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:17:16,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-10-16 03:17:16,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159194310] [2022-10-16 03:17:16,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:17:16,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-10-16 03:17:16,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:17:16,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-10-16 03:17:16,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2022-10-16 03:17:16,670 INFO L87 Difference]: Start difference. First operand 79662 states and 94614 transitions. Second operand has 16 states, 16 states have (on average 10.6875) internal successors, (171), 16 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:17:19,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:17:19,262 INFO L93 Difference]: Finished difference Result 160792 states and 195532 transitions. [2022-10-16 03:17:19,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-10-16 03:17:19,263 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 10.6875) internal successors, (171), 16 states have internal predecessors, (171), 0 states have call successors, (0), 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 171 [2022-10-16 03:17:19,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:17:19,518 INFO L225 Difference]: With dead ends: 160792 [2022-10-16 03:17:19,518 INFO L226 Difference]: Without dead ends: 160731 [2022-10-16 03:17:19,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=360, Invalid=972, Unknown=0, NotChecked=0, Total=1332 [2022-10-16 03:17:19,520 INFO L413 NwaCegarLoop]: 1555 mSDtfsCounter, 4988 mSDsluCounter, 10348 mSDsCounter, 0 mSdLazyCounter, 1984 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4988 SdHoareTripleChecker+Valid, 11903 SdHoareTripleChecker+Invalid, 2096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 1984 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:17:19,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4988 Valid, 11903 Invalid, 2096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 1984 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 03:17:19,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160731 states. [2022-10-16 03:17:21,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160731 to 104944. [2022-10-16 03:17:21,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104944 states, 104939 states have (on average 1.1739582042901113) internal successors, (123194), 104943 states have internal predecessors, (123194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:17:22,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104944 states to 104944 states and 123194 transitions. [2022-10-16 03:17:22,671 INFO L78 Accepts]: Start accepts. Automaton has 104944 states and 123194 transitions. Word has length 171 [2022-10-16 03:17:22,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:17:22,671 INFO L495 AbstractCegarLoop]: Abstraction has 104944 states and 123194 transitions. [2022-10-16 03:17:22,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.6875) internal successors, (171), 16 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:17:22,672 INFO L276 IsEmpty]: Start isEmpty. Operand 104944 states and 123194 transitions. [2022-10-16 03:17:22,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-10-16 03:17:22,863 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:17:22,864 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] [2022-10-16 03:17:22,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-10-16 03:17:22,864 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-16 03:17:22,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:17:22,865 INFO L85 PathProgramCache]: Analyzing trace with hash 2106972469, now seen corresponding path program 1 times [2022-10-16 03:17:22,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:17:22,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788554423] [2022-10-16 03:17:22,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:17:22,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:17:23,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:17:26,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:17:26,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:17:26,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788554423] [2022-10-16 03:17:26,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788554423] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:17:26,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:17:26,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-10-16 03:17:26,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606372906] [2022-10-16 03:17:26,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:17:26,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-10-16 03:17:26,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:17:26,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-10-16 03:17:26,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=454, Unknown=0, NotChecked=0, Total=506 [2022-10-16 03:17:26,725 INFO L87 Difference]: Start difference. First operand 104944 states and 123194 transitions. Second operand has 23 states, 23 states have (on average 7.434782608695652) internal successors, (171), 23 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:17:41,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:17:41,768 INFO L93 Difference]: Finished difference Result 131380 states and 157626 transitions. [2022-10-16 03:17:41,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-10-16 03:17:41,769 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 7.434782608695652) internal successors, (171), 23 states have internal predecessors, (171), 0 states have call successors, (0), 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 171 [2022-10-16 03:17:41,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:17:41,932 INFO L225 Difference]: With dead ends: 131380 [2022-10-16 03:17:41,932 INFO L226 Difference]: Without dead ends: 130952 [2022-10-16 03:17:41,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 459 ImplicationChecksByTransitivity, 9.5s TimeCoverageRelationStatistics Valid=762, Invalid=2430, Unknown=0, NotChecked=0, Total=3192 [2022-10-16 03:17:41,934 INFO L413 NwaCegarLoop]: 1333 mSDtfsCounter, 4408 mSDsluCounter, 17570 mSDsCounter, 0 mSdLazyCounter, 6288 mSolverCounterSat, 190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4408 SdHoareTripleChecker+Valid, 18903 SdHoareTripleChecker+Invalid, 6478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 6288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-10-16 03:17:41,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4408 Valid, 18903 Invalid, 6478 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [190 Valid, 6288 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-10-16 03:17:42,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130952 states. [2022-10-16 03:17:43,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130952 to 107208. [2022-10-16 03:17:43,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107208 states, 107203 states have (on average 1.1729335932763076) internal successors, (125742), 107207 states have internal predecessors, (125742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:17:43,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107208 states to 107208 states and 125742 transitions. [2022-10-16 03:17:43,843 INFO L78 Accepts]: Start accepts. Automaton has 107208 states and 125742 transitions. Word has length 171 [2022-10-16 03:17:43,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:17:43,843 INFO L495 AbstractCegarLoop]: Abstraction has 107208 states and 125742 transitions. [2022-10-16 03:17:43,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 7.434782608695652) internal successors, (171), 23 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:17:43,844 INFO L276 IsEmpty]: Start isEmpty. Operand 107208 states and 125742 transitions. [2022-10-16 03:17:43,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-10-16 03:17:43,976 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:17:43,976 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] [2022-10-16 03:17:43,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-10-16 03:17:43,977 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2022-10-16 03:17:43,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:17:43,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1638575699, now seen corresponding path program 1 times [2022-10-16 03:17:43,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:17:43,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381845441] [2022-10-16 03:17:43,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:17:43,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:17:44,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat