/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 03:43:47,528 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 03:43:47,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 03:43:47,586 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 03:43:47,587 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 03:43:47,592 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 03:43:47,596 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 03:43:47,618 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 03:43:47,621 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 03:43:47,628 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 03:43:47,629 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 03:43:47,631 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 03:43:47,631 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 03:43:47,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 03:43:47,636 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 03:43:47,641 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 03:43:47,642 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 03:43:47,643 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 03:43:47,647 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 03:43:47,655 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 03:43:47,656 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 03:43:47,661 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 03:43:47,662 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 03:43:47,663 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 03:43:47,669 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 03:43:47,670 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 03:43:47,670 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 03:43:47,672 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 03:43:47,672 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 03:43:47,673 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 03:43:47,674 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 03:43:47,674 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 03:43:47,676 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 03:43:47,677 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 03:43:47,678 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 03:43:47,678 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 03:43:47,679 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 03:43:47,679 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 03:43:47,680 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 03:43:47,680 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 03:43:47,681 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 03:43:47,682 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 03:43:47,728 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 03:43:47,728 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 03:43:47,729 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 03:43:47,729 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 03:43:47,731 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 03:43:47,731 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 03:43:47,734 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 03:43:47,734 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 03:43:47,735 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 03:43:47,735 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 03:43:47,736 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 03:43:47,736 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 03:43:47,736 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 03:43:47,737 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 03:43:47,737 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 03:43:47,737 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-16 03:43:47,737 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-16 03:43:47,737 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-16 03:43:47,738 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 03:43:47,738 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-16 03:43:47,738 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 03:43:47,738 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 03:43:47,738 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 03:43:47,738 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 03:43:47,739 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 03:43:47,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 03:43:47,739 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 03:43:47,739 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 03:43:47,740 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 03:43:47,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 03:43:47,740 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 03:43:48,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 03:43:48,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 03:43:48,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 03:43:48,132 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 03:43:48,132 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 03:43:48,134 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-16 03:43:48,216 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b4c4dec5/a502685fde91472bbbc0c0f16cc1e13b/FLAGf3b9c823b [2022-10-16 03:43:48,783 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 03:43:48,783 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-16 03:43:48,797 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b4c4dec5/a502685fde91472bbbc0c0f16cc1e13b/FLAGf3b9c823b [2022-10-16 03:43:49,083 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b4c4dec5/a502685fde91472bbbc0c0f16cc1e13b [2022-10-16 03:43:49,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 03:43:49,091 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 03:43:49,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 03:43:49,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 03:43:49,097 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 03:43:49,099 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:43:49" (1/1) ... [2022-10-16 03:43:49,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12c0c9f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:43:49, skipping insertion in model container [2022-10-16 03:43:49,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:43:49" (1/1) ... [2022-10-16 03:43:49,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 03:43:49,164 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 03:43:49,426 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[7117,7130] [2022-10-16 03:43:49,464 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[9784,9797] [2022-10-16 03:43:49,476 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[10875,10888] [2022-10-16 03:43:49,481 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[11481,11494] [2022-10-16 03:43:49,491 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[12900,12913] [2022-10-16 03:43:49,496 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13506,13519] [2022-10-16 03:43:49,503 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14435,14448] [2022-10-16 03:43:49,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 03:43:49,563 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 03:43:49,617 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[7117,7130] [2022-10-16 03:43:49,631 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[9784,9797] [2022-10-16 03:43:49,637 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[10875,10888] [2022-10-16 03:43:49,640 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[11481,11494] [2022-10-16 03:43:49,647 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[12900,12913] [2022-10-16 03:43:49,651 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13506,13519] [2022-10-16 03:43:49,656 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14435,14448] [2022-10-16 03:43:49,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 03:43:49,757 INFO L208 MainTranslator]: Completed translation [2022-10-16 03:43:49,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:43:49 WrapperNode [2022-10-16 03:43:49,757 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 03:43:49,758 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 03:43:49,761 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 03:43:49,762 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 03:43:49,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:43:49" (1/1) ... [2022-10-16 03:43:49,793 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:43:49" (1/1) ... [2022-10-16 03:43:49,853 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 971 [2022-10-16 03:43:49,853 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 03:43:49,854 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 03:43:49,854 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 03:43:49,855 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 03:43:49,869 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:43:49" (1/1) ... [2022-10-16 03:43:49,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:43:49" (1/1) ... [2022-10-16 03:43:49,875 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:43:49" (1/1) ... [2022-10-16 03:43:49,875 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:43:49" (1/1) ... [2022-10-16 03:43:49,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:43:49" (1/1) ... [2022-10-16 03:43:49,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:43:49" (1/1) ... [2022-10-16 03:43:49,903 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:43:49" (1/1) ... [2022-10-16 03:43:49,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:43:49" (1/1) ... [2022-10-16 03:43:49,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 03:43:49,913 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 03:43:49,913 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 03:43:49,913 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 03:43:49,914 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:43:49" (1/1) ... [2022-10-16 03:43:49,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 03:43:49,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 03:43:49,972 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 03:43:49,989 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 03:43:50,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 03:43:50,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 03:43:50,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 03:43:50,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 03:43:50,180 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 03:43:50,186 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 03:43:51,174 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 03:43:51,194 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 03:43:51,194 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 03:43:51,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:43:51 BoogieIcfgContainer [2022-10-16 03:43:51,198 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 03:43:51,202 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 03:43:51,202 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 03:43:51,206 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 03:43:51,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:43:49" (1/3) ... [2022-10-16 03:43:51,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16e71576 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:43:51, skipping insertion in model container [2022-10-16 03:43:51,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:43:49" (2/3) ... [2022-10-16 03:43:51,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16e71576 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:43:51, skipping insertion in model container [2022-10-16 03:43:51,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:43:51" (3/3) ... [2022-10-16 03:43:51,213 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-16 03:43:51,240 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 03:43:51,241 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-10-16 03:43:51,314 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 03:43:51,323 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;@70dd236a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 03:43:51,323 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-10-16 03:43:51,330 INFO L276 IsEmpty]: Start isEmpty. Operand has 207 states, 198 states have (on average 1.8282828282828283) internal successors, (362), 206 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:43:51,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 03:43:51,337 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:43:51,338 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 03:43:51,339 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:43:51,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:43:51,345 INFO L85 PathProgramCache]: Analyzing trace with hash 952965, now seen corresponding path program 1 times [2022-10-16 03:43:51,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:43:51,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954339363] [2022-10-16 03:43:51,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:43:51,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:43:51,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:43:51,668 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 03:43:51,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:43:51,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954339363] [2022-10-16 03:43:51,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954339363] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:43:51,671 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:43:51,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 03:43:51,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191577483] [2022-10-16 03:43:51,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:43:51,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:43:51,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:43:51,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:43:51,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:43:51,716 INFO L87 Difference]: Start difference. First operand has 207 states, 198 states have (on average 1.8282828282828283) internal successors, (362), 206 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:43:51,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:43:51,780 INFO L93 Difference]: Finished difference Result 206 states and 354 transitions. [2022-10-16 03:43:51,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:43:51,785 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-10-16 03:43:51,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:43:51,804 INFO L225 Difference]: With dead ends: 206 [2022-10-16 03:43:51,804 INFO L226 Difference]: Without dead ends: 203 [2022-10-16 03:43:51,808 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 03:43:51,819 INFO L413 NwaCegarLoop]: 353 mSDtfsCounter, 351 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 353 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 03:43:51,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 353 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:43:51,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2022-10-16 03:43:51,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2022-10-16 03:43:51,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 196 states have (on average 1.2755102040816326) internal successors, (250), 202 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:43:51,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 250 transitions. [2022-10-16 03:43:51,904 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 250 transitions. Word has length 4 [2022-10-16 03:43:51,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:43:51,905 INFO L495 AbstractCegarLoop]: Abstraction has 203 states and 250 transitions. [2022-10-16 03:43:51,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:43:51,929 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 250 transitions. [2022-10-16 03:43:51,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-16 03:43:51,933 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:43:51,933 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] [2022-10-16 03:43:51,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 03:43:51,934 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:43:51,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:43:51,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1899747950, now seen corresponding path program 1 times [2022-10-16 03:43:51,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:43:51,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485776559] [2022-10-16 03:43:51,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:43:51,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:43:52,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:43:52,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:43:52,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:43:52,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485776559] [2022-10-16 03:43:52,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485776559] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:43:52,363 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:43:52,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:43:52,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323562872] [2022-10-16 03:43:52,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:43:52,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:43:52,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:43:52,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:43:52,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:43:52,368 INFO L87 Difference]: Start difference. First operand 203 states and 250 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:43:52,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:43:52,573 INFO L93 Difference]: Finished difference Result 174 states and 216 transitions. [2022-10-16 03:43:52,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:43:52,574 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 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 46 [2022-10-16 03:43:52,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:43:52,578 INFO L225 Difference]: With dead ends: 174 [2022-10-16 03:43:52,579 INFO L226 Difference]: Without dead ends: 174 [2022-10-16 03:43:52,579 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 03:43:52,581 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 614 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 614 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:43:52,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [614 Valid, 138 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:43:52,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2022-10-16 03:43:52,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2022-10-16 03:43:52,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 167 states have (on average 1.2934131736526946) internal successors, (216), 173 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:43:52,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 216 transitions. [2022-10-16 03:43:52,604 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 216 transitions. Word has length 46 [2022-10-16 03:43:52,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:43:52,605 INFO L495 AbstractCegarLoop]: Abstraction has 174 states and 216 transitions. [2022-10-16 03:43:52,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:43:52,606 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 216 transitions. [2022-10-16 03:43:52,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-16 03:43:52,608 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:43:52,608 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] [2022-10-16 03:43:52,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 03:43:52,609 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:43:52,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:43:52,610 INFO L85 PathProgramCache]: Analyzing trace with hash -121525429, now seen corresponding path program 1 times [2022-10-16 03:43:52,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:43:52,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405838053] [2022-10-16 03:43:52,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:43:52,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:43:52,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:43:52,792 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 03:43:52,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:43:52,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405838053] [2022-10-16 03:43:52,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405838053] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:43:52,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:43:52,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:43:52,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989162268] [2022-10-16 03:43:52,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:43:52,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:43:52,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:43:52,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:43:52,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:43:52,798 INFO L87 Difference]: Start difference. First operand 174 states and 216 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:43:52,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:43:52,943 INFO L93 Difference]: Finished difference Result 161 states and 200 transitions. [2022-10-16 03:43:52,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:43:52,944 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 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 47 [2022-10-16 03:43:52,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:43:52,945 INFO L225 Difference]: With dead ends: 161 [2022-10-16 03:43:52,946 INFO L226 Difference]: Without dead ends: 161 [2022-10-16 03:43:52,946 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 03:43:52,948 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 552 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 552 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:43:52,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [552 Valid, 132 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:43:52,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2022-10-16 03:43:52,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2022-10-16 03:43:52,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 154 states have (on average 1.2987012987012987) internal successors, (200), 160 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:43:52,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 200 transitions. [2022-10-16 03:43:52,956 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 200 transitions. Word has length 47 [2022-10-16 03:43:52,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:43:52,956 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 200 transitions. [2022-10-16 03:43:52,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:43:52,956 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 200 transitions. [2022-10-16 03:43:52,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-16 03:43:52,958 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:43:52,958 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] [2022-10-16 03:43:52,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 03:43:52,959 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:43:52,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:43:52,960 INFO L85 PathProgramCache]: Analyzing trace with hash 414043727, now seen corresponding path program 1 times [2022-10-16 03:43:52,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:43:52,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494242491] [2022-10-16 03:43:52,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:43:52,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:43:52,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:43:53,092 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 03:43:53,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:43:53,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494242491] [2022-10-16 03:43:53,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494242491] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:43:53,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:43:53,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:43:53,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044267045] [2022-10-16 03:43:53,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:43:53,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:43:53,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:43:53,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:43:53,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:43:53,096 INFO L87 Difference]: Start difference. First operand 161 states and 200 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:43:53,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:43:53,246 INFO L93 Difference]: Finished difference Result 156 states and 193 transitions. [2022-10-16 03:43:53,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:43:53,247 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 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 48 [2022-10-16 03:43:53,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:43:53,248 INFO L225 Difference]: With dead ends: 156 [2022-10-16 03:43:53,248 INFO L226 Difference]: Without dead ends: 156 [2022-10-16 03:43:53,249 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 03:43:53,250 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 514 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 514 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:43:53,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [514 Valid, 129 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:43:53,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2022-10-16 03:43:53,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2022-10-16 03:43:53,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 149 states have (on average 1.2953020134228188) internal successors, (193), 155 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:43:53,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 193 transitions. [2022-10-16 03:43:53,258 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 193 transitions. Word has length 48 [2022-10-16 03:43:53,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:43:53,258 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 193 transitions. [2022-10-16 03:43:53,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:43:53,258 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 193 transitions. [2022-10-16 03:43:53,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-16 03:43:53,260 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:43:53,260 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] [2022-10-16 03:43:53,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 03:43:53,261 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:43:53,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:43:53,262 INFO L85 PathProgramCache]: Analyzing trace with hash -453133940, now seen corresponding path program 1 times [2022-10-16 03:43:53,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:43:53,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928120490] [2022-10-16 03:43:53,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:43:53,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:43:53,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:43:53,710 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 03:43:53,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:43:53,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928120490] [2022-10-16 03:43:53,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928120490] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:43:53,711 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:43:53,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:43:53,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040532798] [2022-10-16 03:43:53,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:43:53,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:43:53,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:43:53,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:43:53,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:43:53,713 INFO L87 Difference]: Start difference. First operand 156 states and 193 transitions. Second operand has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 8 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:43:54,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:43:54,180 INFO L93 Difference]: Finished difference Result 326 states and 429 transitions. [2022-10-16 03:43:54,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:43:54,181 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 8 states have internal predecessors, (49), 0 states have call successors, (0), 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 49 [2022-10-16 03:43:54,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:43:54,183 INFO L225 Difference]: With dead ends: 326 [2022-10-16 03:43:54,183 INFO L226 Difference]: Without dead ends: 326 [2022-10-16 03:43:54,184 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:43:54,185 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 646 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 646 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:43:54,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [646 Valid, 616 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 03:43:54,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2022-10-16 03:43:54,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 156. [2022-10-16 03:43:54,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 149 states have (on average 1.2885906040268456) internal successors, (192), 155 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:43:54,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 192 transitions. [2022-10-16 03:43:54,192 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 192 transitions. Word has length 49 [2022-10-16 03:43:54,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:43:54,193 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 192 transitions. [2022-10-16 03:43:54,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 8 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:43:54,193 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 192 transitions. [2022-10-16 03:43:54,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-16 03:43:54,195 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:43:54,195 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] [2022-10-16 03:43:54,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 03:43:54,196 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:43:54,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:43:54,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1459063162, now seen corresponding path program 1 times [2022-10-16 03:43:54,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:43:54,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247724071] [2022-10-16 03:43:54,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:43:54,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:43:54,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:43:54,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:43:54,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:43:54,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247724071] [2022-10-16 03:43:54,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247724071] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:43:54,528 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:43:54,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:43:54,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821684832] [2022-10-16 03:43:54,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:43:54,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:43:54,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:43:54,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:43:54,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:43:54,530 INFO L87 Difference]: Start difference. First operand 156 states and 192 transitions. Second operand has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 8 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:43:55,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:43:55,123 INFO L93 Difference]: Finished difference Result 330 states and 434 transitions. [2022-10-16 03:43:55,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:43:55,124 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 8 states have internal predecessors, (49), 0 states have call successors, (0), 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 49 [2022-10-16 03:43:55,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:43:55,126 INFO L225 Difference]: With dead ends: 330 [2022-10-16 03:43:55,126 INFO L226 Difference]: Without dead ends: 330 [2022-10-16 03:43:55,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:43:55,128 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 1041 mSDsluCounter, 677 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1041 SdHoareTripleChecker+Valid, 826 SdHoareTripleChecker+Invalid, 594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:43:55,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1041 Valid, 826 Invalid, 594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 03:43:55,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2022-10-16 03:43:55,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 156. [2022-10-16 03:43:55,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 149 states have (on average 1.2818791946308725) internal successors, (191), 155 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:43:55,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 191 transitions. [2022-10-16 03:43:55,134 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 191 transitions. Word has length 49 [2022-10-16 03:43:55,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:43:55,135 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 191 transitions. [2022-10-16 03:43:55,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 8 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:43:55,135 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 191 transitions. [2022-10-16 03:43:55,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-16 03:43:55,136 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:43:55,137 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] [2022-10-16 03:43:55,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 03:43:55,137 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:43:55,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:43:55,138 INFO L85 PathProgramCache]: Analyzing trace with hash 8857914, now seen corresponding path program 1 times [2022-10-16 03:43:55,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:43:55,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485112713] [2022-10-16 03:43:55,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:43:55,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:43:55,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:43:55,486 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 03:43:55,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:43:55,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485112713] [2022-10-16 03:43:55,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485112713] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:43:55,487 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:43:55,487 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 03:43:55,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298609049] [2022-10-16 03:43:55,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:43:55,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 03:43:55,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:43:55,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 03:43:55,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-10-16 03:43:55,490 INFO L87 Difference]: Start difference. First operand 156 states and 191 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:43:55,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:43:55,800 INFO L93 Difference]: Finished difference Result 228 states and 280 transitions. [2022-10-16 03:43:55,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 03:43:55,801 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 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 49 [2022-10-16 03:43:55,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:43:55,802 INFO L225 Difference]: With dead ends: 228 [2022-10-16 03:43:55,802 INFO L226 Difference]: Without dead ends: 228 [2022-10-16 03:43:55,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2022-10-16 03:43:55,804 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 841 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 841 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:43:55,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [841 Valid, 370 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 03:43:55,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2022-10-16 03:43:55,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 156. [2022-10-16 03:43:55,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 149 states have (on average 1.2751677852348993) internal successors, (190), 155 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:43:55,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 190 transitions. [2022-10-16 03:43:55,809 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 190 transitions. Word has length 49 [2022-10-16 03:43:55,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:43:55,810 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 190 transitions. [2022-10-16 03:43:55,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:43:55,810 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 190 transitions. [2022-10-16 03:43:55,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-16 03:43:55,811 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:43:55,811 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:43:55,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 03:43:55,812 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:43:55,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:43:55,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1308237609, now seen corresponding path program 1 times [2022-10-16 03:43:55,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:43:55,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107063075] [2022-10-16 03:43:55,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:43:55,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:43:55,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:43:56,518 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 03:43:56,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:43:56,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107063075] [2022-10-16 03:43:56,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107063075] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:43:56,519 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:43:56,520 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-16 03:43:56,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683799318] [2022-10-16 03:43:56,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:43:56,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:43:56,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:43:56,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:43:56,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:43:56,522 INFO L87 Difference]: Start difference. First operand 156 states and 190 transitions. Second operand has 12 states, 12 states have (on average 4.25) internal successors, (51), 12 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:43:57,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:43:57,437 INFO L93 Difference]: Finished difference Result 418 states and 563 transitions. [2022-10-16 03:43:57,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 03:43:57,438 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.25) internal successors, (51), 12 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2022-10-16 03:43:57,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:43:57,441 INFO L225 Difference]: With dead ends: 418 [2022-10-16 03:43:57,441 INFO L226 Difference]: Without dead ends: 418 [2022-10-16 03:43:57,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2022-10-16 03:43:57,443 INFO L413 NwaCegarLoop]: 422 mSDtfsCounter, 1083 mSDsluCounter, 1885 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1083 SdHoareTripleChecker+Valid, 2307 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:43:57,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1083 Valid, 2307 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 03:43:57,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2022-10-16 03:43:57,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 140. [2022-10-16 03:43:57,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 135 states have (on average 1.2740740740740741) internal successors, (172), 139 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:43:57,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 172 transitions. [2022-10-16 03:43:57,449 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 172 transitions. Word has length 51 [2022-10-16 03:43:57,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:43:57,449 INFO L495 AbstractCegarLoop]: Abstraction has 140 states and 172 transitions. [2022-10-16 03:43:57,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.25) internal successors, (51), 12 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:43:57,450 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 172 transitions. [2022-10-16 03:43:57,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-16 03:43:57,451 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:43:57,451 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:43:57,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 03:43:57,451 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:43:57,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:43:57,452 INFO L85 PathProgramCache]: Analyzing trace with hash 766441193, now seen corresponding path program 1 times [2022-10-16 03:43:57,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:43:57,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440922170] [2022-10-16 03:43:57,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:43:57,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:43:57,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:43:58,472 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 03:43:58,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:43:58,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440922170] [2022-10-16 03:43:58,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440922170] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:43:58,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:43:58,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-10-16 03:43:58,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049498390] [2022-10-16 03:43:58,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:43:58,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-10-16 03:43:58,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:43:58,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-10-16 03:43:58,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2022-10-16 03:43:58,476 INFO L87 Difference]: Start difference. First operand 140 states and 172 transitions. Second operand has 19 states, 19 states have (on average 2.6842105263157894) internal successors, (51), 19 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:00,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:44:00,341 INFO L93 Difference]: Finished difference Result 356 states and 455 transitions. [2022-10-16 03:44:00,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-10-16 03:44:00,342 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.6842105263157894) internal successors, (51), 19 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2022-10-16 03:44:00,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:44:00,344 INFO L225 Difference]: With dead ends: 356 [2022-10-16 03:44:00,344 INFO L226 Difference]: Without dead ends: 356 [2022-10-16 03:44:00,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=234, Invalid=888, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 03:44:00,346 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 1482 mSDsluCounter, 1791 mSDsCounter, 0 mSdLazyCounter, 958 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1482 SdHoareTripleChecker+Valid, 1955 SdHoareTripleChecker+Invalid, 1044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 958 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 03:44:00,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1482 Valid, 1955 Invalid, 1044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 958 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 03:44:00,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2022-10-16 03:44:00,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 146. [2022-10-16 03:44:00,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 141 states have (on average 1.2765957446808511) internal successors, (180), 145 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:00,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 180 transitions. [2022-10-16 03:44:00,353 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 180 transitions. Word has length 51 [2022-10-16 03:44:00,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:44:00,353 INFO L495 AbstractCegarLoop]: Abstraction has 146 states and 180 transitions. [2022-10-16 03:44:00,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.6842105263157894) internal successors, (51), 19 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:00,353 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 180 transitions. [2022-10-16 03:44:00,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-16 03:44:00,354 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:44:00,354 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:44:00,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 03:44:00,355 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:44:00,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:44:00,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1014075955, now seen corresponding path program 1 times [2022-10-16 03:44:00,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:44:00,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057091449] [2022-10-16 03:44:00,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:44:00,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:44:00,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:44:00,979 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 03:44:00,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:44:00,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057091449] [2022-10-16 03:44:00,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057091449] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:44:00,980 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:44:00,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-16 03:44:00,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844723044] [2022-10-16 03:44:00,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:44:00,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:44:00,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:44:00,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:44:00,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:44:00,982 INFO L87 Difference]: Start difference. First operand 146 states and 180 transitions. Second operand has 12 states, 12 states have (on average 4.25) internal successors, (51), 12 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:01,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:44:01,667 INFO L93 Difference]: Finished difference Result 297 states and 395 transitions. [2022-10-16 03:44:01,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 03:44:01,668 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.25) internal successors, (51), 12 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2022-10-16 03:44:01,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:44:01,670 INFO L225 Difference]: With dead ends: 297 [2022-10-16 03:44:01,670 INFO L226 Difference]: Without dead ends: 297 [2022-10-16 03:44:01,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2022-10-16 03:44:01,672 INFO L413 NwaCegarLoop]: 222 mSDtfsCounter, 1225 mSDsluCounter, 871 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1225 SdHoareTripleChecker+Valid, 1093 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:44:01,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1225 Valid, 1093 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 03:44:01,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2022-10-16 03:44:01,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 135. [2022-10-16 03:44:01,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 131 states have (on average 1.2748091603053435) internal successors, (167), 134 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:01,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 167 transitions. [2022-10-16 03:44:01,678 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 167 transitions. Word has length 51 [2022-10-16 03:44:01,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:44:01,678 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 167 transitions. [2022-10-16 03:44:01,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.25) internal successors, (51), 12 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:01,679 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 167 transitions. [2022-10-16 03:44:01,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-16 03:44:01,680 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:44:01,680 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:44:01,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 03:44:01,680 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:44:01,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:44:01,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1721906586, now seen corresponding path program 1 times [2022-10-16 03:44:01,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:44:01,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840552394] [2022-10-16 03:44:01,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:44:01,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:44:01,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:44:01,930 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 03:44:01,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:44:01,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840552394] [2022-10-16 03:44:01,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840552394] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:44:01,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:44:01,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:44:01,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716889452] [2022-10-16 03:44:01,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:44:01,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:44:01,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:44:01,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:44:01,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:44:01,933 INFO L87 Difference]: Start difference. First operand 135 states and 167 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 8 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:02,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:44:02,332 INFO L93 Difference]: Finished difference Result 293 states and 390 transitions. [2022-10-16 03:44:02,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:44:02,333 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 8 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-10-16 03:44:02,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:44:02,334 INFO L225 Difference]: With dead ends: 293 [2022-10-16 03:44:02,334 INFO L226 Difference]: Without dead ends: 293 [2022-10-16 03:44:02,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:44:02,335 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 813 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 813 SdHoareTripleChecker+Valid, 650 SdHoareTripleChecker+Invalid, 496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:44:02,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [813 Valid, 650 Invalid, 496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 03:44:02,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2022-10-16 03:44:02,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 135. [2022-10-16 03:44:02,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 131 states have (on average 1.2671755725190839) internal successors, (166), 134 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:02,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 166 transitions. [2022-10-16 03:44:02,340 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 166 transitions. Word has length 52 [2022-10-16 03:44:02,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:44:02,341 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 166 transitions. [2022-10-16 03:44:02,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 8 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:02,341 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 166 transitions. [2022-10-16 03:44:02,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-16 03:44:02,342 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:44:02,342 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:44:02,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 03:44:02,342 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:44:02,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:44:02,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1294616090, now seen corresponding path program 1 times [2022-10-16 03:44:02,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:44:02,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026642024] [2022-10-16 03:44:02,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:44:02,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:44:02,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:44:02,606 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 03:44:02,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:44:02,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026642024] [2022-10-16 03:44:02,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026642024] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:44:02,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:44:02,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:44:02,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120785496] [2022-10-16 03:44:02,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:44:02,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:44:02,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:44:02,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:44:02,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:44:02,609 INFO L87 Difference]: Start difference. First operand 135 states and 166 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 8 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:02,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:44:03,000 INFO L93 Difference]: Finished difference Result 295 states and 388 transitions. [2022-10-16 03:44:03,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:44:03,000 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 8 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-10-16 03:44:03,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:44:03,002 INFO L225 Difference]: With dead ends: 295 [2022-10-16 03:44:03,002 INFO L226 Difference]: Without dead ends: 295 [2022-10-16 03:44:03,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:44:03,003 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 626 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 626 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:44:03,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [626 Valid, 512 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 03:44:03,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2022-10-16 03:44:03,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 135. [2022-10-16 03:44:03,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 131 states have (on average 1.251908396946565) internal successors, (164), 134 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:03,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 164 transitions. [2022-10-16 03:44:03,010 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 164 transitions. Word has length 52 [2022-10-16 03:44:03,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:44:03,012 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 164 transitions. [2022-10-16 03:44:03,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 8 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:03,012 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 164 transitions. [2022-10-16 03:44:03,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-16 03:44:03,013 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:44:03,013 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:44:03,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 03:44:03,014 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:44:03,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:44:03,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1671010270, now seen corresponding path program 1 times [2022-10-16 03:44:03,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:44:03,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563338142] [2022-10-16 03:44:03,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:44:03,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:44:03,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:44:03,882 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 03:44:03,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:44:03,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563338142] [2022-10-16 03:44:03,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563338142] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:44:03,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:44:03,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-10-16 03:44:03,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898836610] [2022-10-16 03:44:03,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:44:03,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-10-16 03:44:03,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:44:03,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-10-16 03:44:03,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2022-10-16 03:44:03,885 INFO L87 Difference]: Start difference. First operand 135 states and 164 transitions. Second operand has 16 states, 16 states have (on average 3.25) internal successors, (52), 16 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:05,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:44:05,357 INFO L93 Difference]: Finished difference Result 277 states and 350 transitions. [2022-10-16 03:44:05,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-16 03:44:05,358 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.25) internal successors, (52), 16 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-10-16 03:44:05,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:44:05,362 INFO L225 Difference]: With dead ends: 277 [2022-10-16 03:44:05,363 INFO L226 Difference]: Without dead ends: 277 [2022-10-16 03:44:05,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=182, Invalid=630, Unknown=0, NotChecked=0, Total=812 [2022-10-16 03:44:05,365 INFO L413 NwaCegarLoop]: 276 mSDtfsCounter, 567 mSDsluCounter, 2035 mSDsCounter, 0 mSdLazyCounter, 909 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 2311 SdHoareTripleChecker+Invalid, 938 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 909 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 03:44:05,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [567 Valid, 2311 Invalid, 938 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 909 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 03:44:05,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2022-10-16 03:44:05,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 125. [2022-10-16 03:44:05,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 122 states have (on average 1.2459016393442623) internal successors, (152), 124 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:05,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 152 transitions. [2022-10-16 03:44:05,370 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 152 transitions. Word has length 52 [2022-10-16 03:44:05,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:44:05,370 INFO L495 AbstractCegarLoop]: Abstraction has 125 states and 152 transitions. [2022-10-16 03:44:05,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.25) internal successors, (52), 16 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:05,371 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 152 transitions. [2022-10-16 03:44:05,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-16 03:44:05,374 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:44:05,374 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:44:05,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 03:44:05,375 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:44:05,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:44:05,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1899159370, now seen corresponding path program 1 times [2022-10-16 03:44:05,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:44:05,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553332545] [2022-10-16 03:44:05,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:44:05,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:44:05,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:44:06,192 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 03:44:06,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:44:06,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553332545] [2022-10-16 03:44:06,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553332545] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:44:06,193 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:44:06,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-10-16 03:44:06,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010861329] [2022-10-16 03:44:06,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:44:06,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-10-16 03:44:06,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:44:06,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-10-16 03:44:06,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2022-10-16 03:44:06,195 INFO L87 Difference]: Start difference. First operand 125 states and 152 transitions. Second operand has 18 states, 18 states have (on average 3.0) internal successors, (54), 18 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:07,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:44:07,787 INFO L93 Difference]: Finished difference Result 433 states and 571 transitions. [2022-10-16 03:44:07,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-10-16 03:44:07,788 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.0) internal successors, (54), 18 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-10-16 03:44:07,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:44:07,791 INFO L225 Difference]: With dead ends: 433 [2022-10-16 03:44:07,791 INFO L226 Difference]: Without dead ends: 433 [2022-10-16 03:44:07,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=192, Invalid=800, Unknown=0, NotChecked=0, Total=992 [2022-10-16 03:44:07,793 INFO L413 NwaCegarLoop]: 321 mSDtfsCounter, 1348 mSDsluCounter, 2860 mSDsCounter, 0 mSdLazyCounter, 1407 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1348 SdHoareTripleChecker+Valid, 3181 SdHoareTripleChecker+Invalid, 1463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 1407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:44:07,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1348 Valid, 3181 Invalid, 1463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 1407 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 03:44:07,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2022-10-16 03:44:07,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 136. [2022-10-16 03:44:07,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 133 states have (on average 1.2481203007518797) internal successors, (166), 135 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:07,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 166 transitions. [2022-10-16 03:44:07,801 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 166 transitions. Word has length 54 [2022-10-16 03:44:07,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:44:07,801 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 166 transitions. [2022-10-16 03:44:07,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.0) internal successors, (54), 18 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:07,801 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 166 transitions. [2022-10-16 03:44:07,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-16 03:44:07,805 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:44:07,806 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:44:07,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 03:44:07,806 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:44:07,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:44:07,807 INFO L85 PathProgramCache]: Analyzing trace with hash -1464456906, now seen corresponding path program 1 times [2022-10-16 03:44:07,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:44:07,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529938456] [2022-10-16 03:44:07,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:44:07,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:44:07,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:44:08,606 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 03:44:08,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:44:08,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529938456] [2022-10-16 03:44:08,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529938456] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:44:08,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:44:08,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-10-16 03:44:08,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968056954] [2022-10-16 03:44:08,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:44:08,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-10-16 03:44:08,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:44:08,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-10-16 03:44:08,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2022-10-16 03:44:08,609 INFO L87 Difference]: Start difference. First operand 136 states and 166 transitions. Second operand has 18 states, 18 states have (on average 3.0) internal successors, (54), 18 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:10,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:44:10,250 INFO L93 Difference]: Finished difference Result 333 states and 428 transitions. [2022-10-16 03:44:10,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-16 03:44:10,251 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.0) internal successors, (54), 18 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-10-16 03:44:10,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:44:10,254 INFO L225 Difference]: With dead ends: 333 [2022-10-16 03:44:10,254 INFO L226 Difference]: Without dead ends: 333 [2022-10-16 03:44:10,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=200, Invalid=730, Unknown=0, NotChecked=0, Total=930 [2022-10-16 03:44:10,256 INFO L413 NwaCegarLoop]: 282 mSDtfsCounter, 829 mSDsluCounter, 2853 mSDsCounter, 0 mSdLazyCounter, 1291 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 829 SdHoareTripleChecker+Valid, 3135 SdHoareTripleChecker+Invalid, 1341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 1291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 03:44:10,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [829 Valid, 3135 Invalid, 1341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 1291 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 03:44:10,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2022-10-16 03:44:10,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 141. [2022-10-16 03:44:10,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 138 states have (on average 1.2391304347826086) internal successors, (171), 140 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 03:44:10,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 171 transitions. [2022-10-16 03:44:10,267 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 171 transitions. Word has length 54 [2022-10-16 03:44:10,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:44:10,267 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 171 transitions. [2022-10-16 03:44:10,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.0) internal successors, (54), 18 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:10,267 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 171 transitions. [2022-10-16 03:44:10,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-16 03:44:10,268 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:44:10,268 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:44:10,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 03:44:10,269 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:44:10,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:44:10,269 INFO L85 PathProgramCache]: Analyzing trace with hash 2098262835, now seen corresponding path program 1 times [2022-10-16 03:44:10,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:44:10,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177359239] [2022-10-16 03:44:10,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:44:10,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:44:10,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:44:11,578 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 03:44:11,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:44:11,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177359239] [2022-10-16 03:44:11,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177359239] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:44:11,579 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:44:11,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-10-16 03:44:11,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217594521] [2022-10-16 03:44:11,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:44:11,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-10-16 03:44:11,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:44:11,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-10-16 03:44:11,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-10-16 03:44:11,581 INFO L87 Difference]: Start difference. First operand 141 states and 171 transitions. Second operand has 19 states, 19 states have (on average 2.8947368421052633) internal successors, (55), 19 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:15,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:44:15,095 INFO L93 Difference]: Finished difference Result 567 states and 767 transitions. [2022-10-16 03:44:15,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-10-16 03:44:15,096 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.8947368421052633) internal successors, (55), 19 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2022-10-16 03:44:15,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:44:15,101 INFO L225 Difference]: With dead ends: 567 [2022-10-16 03:44:15,102 INFO L226 Difference]: Without dead ends: 567 [2022-10-16 03:44:15,102 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=237, Invalid=1095, Unknown=0, NotChecked=0, Total=1332 [2022-10-16 03:44:15,103 INFO L413 NwaCegarLoop]: 530 mSDtfsCounter, 1198 mSDsluCounter, 5511 mSDsCounter, 0 mSdLazyCounter, 2585 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1198 SdHoareTripleChecker+Valid, 6041 SdHoareTripleChecker+Invalid, 2640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 2585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:44:15,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1198 Valid, 6041 Invalid, 2640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 2585 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-10-16 03:44:15,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2022-10-16 03:44:15,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 142. [2022-10-16 03:44:15,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 139 states have (on average 1.2374100719424461) internal successors, (172), 141 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:15,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 172 transitions. [2022-10-16 03:44:15,112 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 172 transitions. Word has length 55 [2022-10-16 03:44:15,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:44:15,113 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 172 transitions. [2022-10-16 03:44:15,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.8947368421052633) internal successors, (55), 19 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:15,113 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 172 transitions. [2022-10-16 03:44:15,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-16 03:44:15,114 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:44:15,114 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:44:15,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 03:44:15,115 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:44:15,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:44:15,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1345030097, now seen corresponding path program 1 times [2022-10-16 03:44:15,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:44:15,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522965677] [2022-10-16 03:44:15,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:44:15,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:44:15,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:44:15,804 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 03:44:15,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:44:15,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522965677] [2022-10-16 03:44:15,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522965677] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:44:15,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:44:15,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-10-16 03:44:15,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688723076] [2022-10-16 03:44:15,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:44:15,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 03:44:15,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:44:15,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 03:44:15,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-10-16 03:44:15,806 INFO L87 Difference]: Start difference. First operand 142 states and 172 transitions. Second operand has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:17,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:44:17,140 INFO L93 Difference]: Finished difference Result 397 states and 534 transitions. [2022-10-16 03:44:17,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:44:17,141 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2022-10-16 03:44:17,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:44:17,143 INFO L225 Difference]: With dead ends: 397 [2022-10-16 03:44:17,143 INFO L226 Difference]: Without dead ends: 397 [2022-10-16 03:44:17,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=128, Invalid=472, Unknown=0, NotChecked=0, Total=600 [2022-10-16 03:44:17,149 INFO L413 NwaCegarLoop]: 315 mSDtfsCounter, 917 mSDsluCounter, 2058 mSDsCounter, 0 mSdLazyCounter, 736 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 917 SdHoareTripleChecker+Valid, 2373 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 03:44:17,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [917 Valid, 2373 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 736 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 03:44:17,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2022-10-16 03:44:17,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 142. [2022-10-16 03:44:17,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 139 states have (on average 1.2374100719424461) internal successors, (172), 141 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:17,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 172 transitions. [2022-10-16 03:44:17,158 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 172 transitions. Word has length 55 [2022-10-16 03:44:17,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:44:17,159 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 172 transitions. [2022-10-16 03:44:17,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:17,159 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 172 transitions. [2022-10-16 03:44:17,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-16 03:44:17,160 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:44:17,160 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:44:17,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 03:44:17,160 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:44:17,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:44:17,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1456871967, now seen corresponding path program 1 times [2022-10-16 03:44:17,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:44:17,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104142931] [2022-10-16 03:44:17,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:44:17,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:44:17,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:44:17,587 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 03:44:17,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:44:17,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104142931] [2022-10-16 03:44:17,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104142931] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:44:17,587 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:44:17,587 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-10-16 03:44:17,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308666649] [2022-10-16 03:44:17,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:44:17,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 03:44:17,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:44:17,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 03:44:17,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-10-16 03:44:17,589 INFO L87 Difference]: Start difference. First operand 142 states and 172 transitions. Second operand has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:18,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:44:18,056 INFO L93 Difference]: Finished difference Result 275 states and 368 transitions. [2022-10-16 03:44:18,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 03:44:18,056 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2022-10-16 03:44:18,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:44:18,058 INFO L225 Difference]: With dead ends: 275 [2022-10-16 03:44:18,058 INFO L226 Difference]: Without dead ends: 275 [2022-10-16 03:44:18,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2022-10-16 03:44:18,060 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 914 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 914 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:44:18,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [914 Valid, 601 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 03:44:18,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2022-10-16 03:44:18,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 119. [2022-10-16 03:44:18,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 117 states have (on average 1.2564102564102564) internal successors, (147), 118 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 03:44:18,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 147 transitions. [2022-10-16 03:44:18,067 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 147 transitions. Word has length 55 [2022-10-16 03:44:18,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:44:18,067 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 147 transitions. [2022-10-16 03:44:18,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:18,067 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 147 transitions. [2022-10-16 03:44:18,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-16 03:44:18,068 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:44:18,068 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] [2022-10-16 03:44:18,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 03:44:18,068 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:44:18,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:44:18,069 INFO L85 PathProgramCache]: Analyzing trace with hash 2096401114, now seen corresponding path program 1 times [2022-10-16 03:44:18,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:44:18,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362651945] [2022-10-16 03:44:18,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:44:18,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:44:18,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:44:19,143 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 03:44:19,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:44:19,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362651945] [2022-10-16 03:44:19,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362651945] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:44:19,144 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:44:19,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-10-16 03:44:19,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498065651] [2022-10-16 03:44:19,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:44:19,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-10-16 03:44:19,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:44:19,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-10-16 03:44:19,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2022-10-16 03:44:19,146 INFO L87 Difference]: Start difference. First operand 119 states and 147 transitions. Second operand has 18 states, 18 states have (on average 3.111111111111111) internal successors, (56), 18 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:21,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:44:21,615 INFO L93 Difference]: Finished difference Result 545 states and 764 transitions. [2022-10-16 03:44:21,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-10-16 03:44:21,616 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.111111111111111) internal successors, (56), 18 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2022-10-16 03:44:21,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:44:21,620 INFO L225 Difference]: With dead ends: 545 [2022-10-16 03:44:21,620 INFO L226 Difference]: Without dead ends: 545 [2022-10-16 03:44:21,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=226, Invalid=964, Unknown=0, NotChecked=0, Total=1190 [2022-10-16 03:44:21,621 INFO L413 NwaCegarLoop]: 343 mSDtfsCounter, 1063 mSDsluCounter, 3404 mSDsCounter, 0 mSdLazyCounter, 1538 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1063 SdHoareTripleChecker+Valid, 3747 SdHoareTripleChecker+Invalid, 1583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 1538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:44:21,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1063 Valid, 3747 Invalid, 1583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 1538 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 03:44:21,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2022-10-16 03:44:21,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 101. [2022-10-16 03:44:21,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 100 states have (on average 1.26) internal successors, (126), 100 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:21,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 126 transitions. [2022-10-16 03:44:21,628 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 126 transitions. Word has length 56 [2022-10-16 03:44:21,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:44:21,628 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 126 transitions. [2022-10-16 03:44:21,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.111111111111111) internal successors, (56), 18 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:21,628 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 126 transitions. [2022-10-16 03:44:21,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 03:44:21,629 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:44:21,629 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:44:21,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 03:44:21,629 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:44:21,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:44:21,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1406506919, now seen corresponding path program 1 times [2022-10-16 03:44:21,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:44:21,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853211287] [2022-10-16 03:44:21,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:44:21,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:44:21,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:44:21,732 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 03:44:21,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:44:21,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853211287] [2022-10-16 03:44:21,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853211287] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:44:21,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:44:21,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 03:44:21,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292156271] [2022-10-16 03:44:21,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:44:21,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:44:21,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:44:21,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:44:21,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:44:21,734 INFO L87 Difference]: Start difference. First operand 101 states and 126 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:21,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:44:21,798 INFO L93 Difference]: Finished difference Result 316 states and 440 transitions. [2022-10-16 03:44:21,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 03:44:21,798 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-16 03:44:21,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:44:21,800 INFO L225 Difference]: With dead ends: 316 [2022-10-16 03:44:21,800 INFO L226 Difference]: Without dead ends: 316 [2022-10-16 03:44:21,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 03:44:21,801 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 530 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 530 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:44:21,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [530 Valid, 459 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:44:21,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2022-10-16 03:44:21,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 142. [2022-10-16 03:44:21,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 141 states have (on average 1.326241134751773) internal successors, (187), 141 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:21,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 187 transitions. [2022-10-16 03:44:21,808 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 187 transitions. Word has length 72 [2022-10-16 03:44:21,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:44:21,808 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 187 transitions. [2022-10-16 03:44:21,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:21,809 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 187 transitions. [2022-10-16 03:44:21,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 03:44:21,809 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:44:21,809 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:44:21,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 03:44:21,809 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:44:21,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:44:21,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1673936966, now seen corresponding path program 1 times [2022-10-16 03:44:21,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:44:21,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40875672] [2022-10-16 03:44:21,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:44:21,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:44:21,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:44:21,922 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 03:44:21,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:44:21,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40875672] [2022-10-16 03:44:21,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40875672] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:44:21,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:44:21,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 03:44:21,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247024476] [2022-10-16 03:44:21,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:44:21,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:44:21,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:44:21,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:44:21,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:44:21,928 INFO L87 Difference]: Start difference. First operand 142 states and 187 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:21,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:44:21,978 INFO L93 Difference]: Finished difference Result 353 states and 498 transitions. [2022-10-16 03:44:21,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:44:21,978 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-10-16 03:44:21,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:44:21,981 INFO L225 Difference]: With dead ends: 353 [2022-10-16 03:44:21,981 INFO L226 Difference]: Without dead ends: 353 [2022-10-16 03:44:21,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:44:21,983 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 294 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:44:21,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [294 Valid, 411 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:44:21,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2022-10-16 03:44:21,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 224. [2022-10-16 03:44:21,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 223 states have (on average 1.390134529147982) internal successors, (310), 223 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:21,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 310 transitions. [2022-10-16 03:44:21,998 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 310 transitions. Word has length 74 [2022-10-16 03:44:21,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:44:21,998 INFO L495 AbstractCegarLoop]: Abstraction has 224 states and 310 transitions. [2022-10-16 03:44:21,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:21,999 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 310 transitions. [2022-10-16 03:44:21,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 03:44:21,999 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:44:22,000 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:44:22,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 03:44:22,000 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:44:22,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:44:22,001 INFO L85 PathProgramCache]: Analyzing trace with hash -1695280855, now seen corresponding path program 1 times [2022-10-16 03:44:22,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:44:22,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933628014] [2022-10-16 03:44:22,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:44:22,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:44:22,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:44:22,066 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 03:44:22,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:44:22,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933628014] [2022-10-16 03:44:22,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933628014] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:44:22,067 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:44:22,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:44:22,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986215787] [2022-10-16 03:44:22,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:44:22,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:44:22,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:44:22,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:44:22,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:44:22,068 INFO L87 Difference]: Start difference. First operand 224 states and 310 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:22,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:44:22,091 INFO L93 Difference]: Finished difference Result 226 states and 309 transitions. [2022-10-16 03:44:22,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:44:22,092 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-10-16 03:44:22,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:44:22,094 INFO L225 Difference]: With dead ends: 226 [2022-10-16 03:44:22,094 INFO L226 Difference]: Without dead ends: 226 [2022-10-16 03:44:22,096 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 03:44:22,097 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 51 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:44:22,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 200 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:44:22,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2022-10-16 03:44:22,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 224. [2022-10-16 03:44:22,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 223 states have (on average 1.3811659192825112) internal successors, (308), 223 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:22,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 308 transitions. [2022-10-16 03:44:22,104 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 308 transitions. Word has length 74 [2022-10-16 03:44:22,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:44:22,104 INFO L495 AbstractCegarLoop]: Abstraction has 224 states and 308 transitions. [2022-10-16 03:44:22,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:22,105 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 308 transitions. [2022-10-16 03:44:22,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 03:44:22,106 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:44:22,106 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:44:22,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 03:44:22,106 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:44:22,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:44:22,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1859946120, now seen corresponding path program 1 times [2022-10-16 03:44:22,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:44:22,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240468203] [2022-10-16 03:44:22,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:44:22,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:44:22,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:44:22,171 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 03:44:22,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:44:22,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240468203] [2022-10-16 03:44:22,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240468203] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:44:22,172 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:44:22,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:44:22,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048873566] [2022-10-16 03:44:22,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:44:22,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:44:22,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:44:22,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:44:22,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:44:22,176 INFO L87 Difference]: Start difference. First operand 224 states and 308 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:22,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:44:22,198 INFO L93 Difference]: Finished difference Result 364 states and 500 transitions. [2022-10-16 03:44:22,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:44:22,198 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-10-16 03:44:22,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:44:22,200 INFO L225 Difference]: With dead ends: 364 [2022-10-16 03:44:22,200 INFO L226 Difference]: Without dead ends: 364 [2022-10-16 03:44:22,200 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 03:44:22,201 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 68 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:44:22,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 195 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:44:22,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2022-10-16 03:44:22,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 358. [2022-10-16 03:44:22,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 357 states have (on average 1.3865546218487395) internal successors, (495), 357 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:22,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 495 transitions. [2022-10-16 03:44:22,211 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 495 transitions. Word has length 74 [2022-10-16 03:44:22,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:44:22,211 INFO L495 AbstractCegarLoop]: Abstraction has 358 states and 495 transitions. [2022-10-16 03:44:22,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:22,212 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 495 transitions. [2022-10-16 03:44:22,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 03:44:22,213 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:44:22,213 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:44:22,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 03:44:22,213 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:44:22,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:44:22,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1889765056, now seen corresponding path program 1 times [2022-10-16 03:44:22,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:44:22,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469130733] [2022-10-16 03:44:22,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:44:22,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:44:22,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:44:22,320 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 03:44:22,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:44:22,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469130733] [2022-10-16 03:44:22,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469130733] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:44:22,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:44:22,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 03:44:22,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533009586] [2022-10-16 03:44:22,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:44:22,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:44:22,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:44:22,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:44:22,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:44:22,323 INFO L87 Difference]: Start difference. First operand 358 states and 495 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:22,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:44:22,373 INFO L93 Difference]: Finished difference Result 737 states and 1037 transitions. [2022-10-16 03:44:22,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:44:22,373 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-10-16 03:44:22,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:44:22,377 INFO L225 Difference]: With dead ends: 737 [2022-10-16 03:44:22,377 INFO L226 Difference]: Without dead ends: 737 [2022-10-16 03:44:22,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:44:22,378 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 288 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:44:22,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 453 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:44:22,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2022-10-16 03:44:22,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 582. [2022-10-16 03:44:22,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 582 states, 581 states have (on average 1.4061962134251291) internal successors, (817), 581 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:22,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 817 transitions. [2022-10-16 03:44:22,396 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 817 transitions. Word has length 74 [2022-10-16 03:44:22,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:44:22,397 INFO L495 AbstractCegarLoop]: Abstraction has 582 states and 817 transitions. [2022-10-16 03:44:22,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:22,397 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 817 transitions. [2022-10-16 03:44:22,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 03:44:22,398 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:44:22,398 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] [2022-10-16 03:44:22,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 03:44:22,399 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:44:22,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:44:22,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1073266559, now seen corresponding path program 1 times [2022-10-16 03:44:22,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:44:22,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78670638] [2022-10-16 03:44:22,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:44:22,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:44:22,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:44:22,509 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 03:44:22,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:44:22,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78670638] [2022-10-16 03:44:22,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78670638] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:44:22,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:44:22,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:44:22,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361504046] [2022-10-16 03:44:22,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:44:22,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:44:22,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:44:22,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:44:22,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:44:22,511 INFO L87 Difference]: Start difference. First operand 582 states and 817 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:22,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:44:22,529 INFO L93 Difference]: Finished difference Result 1050 states and 1460 transitions. [2022-10-16 03:44:22,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:44:22,530 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 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 75 [2022-10-16 03:44:22,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:44:22,535 INFO L225 Difference]: With dead ends: 1050 [2022-10-16 03:44:22,535 INFO L226 Difference]: Without dead ends: 1050 [2022-10-16 03:44:22,535 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 03:44:22,536 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 54 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:44:22,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 258 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:44:22,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1050 states. [2022-10-16 03:44:22,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1050 to 992. [2022-10-16 03:44:22,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 992 states, 991 states have (on average 1.401614530776993) internal successors, (1389), 991 states have internal predecessors, (1389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:22,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 992 states and 1389 transitions. [2022-10-16 03:44:22,584 INFO L78 Accepts]: Start accepts. Automaton has 992 states and 1389 transitions. Word has length 75 [2022-10-16 03:44:22,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:44:22,585 INFO L495 AbstractCegarLoop]: Abstraction has 992 states and 1389 transitions. [2022-10-16 03:44:22,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:22,586 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1389 transitions. [2022-10-16 03:44:22,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 03:44:22,587 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:44:22,587 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] [2022-10-16 03:44:22,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 03:44:22,587 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:44:22,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:44:22,588 INFO L85 PathProgramCache]: Analyzing trace with hash -391890934, now seen corresponding path program 1 times [2022-10-16 03:44:22,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:44:22,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505208872] [2022-10-16 03:44:22,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:44:22,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:44:22,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:44:22,742 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 03:44:22,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:44:22,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505208872] [2022-10-16 03:44:22,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505208872] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:44:22,744 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:44:22,744 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:44:22,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596149909] [2022-10-16 03:44:22,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:44:22,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:44:22,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:44:22,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:44:22,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:44:22,748 INFO L87 Difference]: Start difference. First operand 992 states and 1389 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:22,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:44:22,777 INFO L93 Difference]: Finished difference Result 1814 states and 2492 transitions. [2022-10-16 03:44:22,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:44:22,778 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 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 76 [2022-10-16 03:44:22,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:44:22,790 INFO L225 Difference]: With dead ends: 1814 [2022-10-16 03:44:22,790 INFO L226 Difference]: Without dead ends: 1814 [2022-10-16 03:44:22,791 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 03:44:22,792 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 44 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:44:22,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 258 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:44:22,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1814 states. [2022-10-16 03:44:22,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1814 to 1700. [2022-10-16 03:44:22,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1700 states, 1699 states have (on average 1.3837551500882872) internal successors, (2351), 1699 states have internal predecessors, (2351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:22,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1700 states to 1700 states and 2351 transitions. [2022-10-16 03:44:22,864 INFO L78 Accepts]: Start accepts. Automaton has 1700 states and 2351 transitions. Word has length 76 [2022-10-16 03:44:22,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:44:22,865 INFO L495 AbstractCegarLoop]: Abstraction has 1700 states and 2351 transitions. [2022-10-16 03:44:22,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:22,865 INFO L276 IsEmpty]: Start isEmpty. Operand 1700 states and 2351 transitions. [2022-10-16 03:44:22,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 03:44:22,866 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:44:22,866 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] [2022-10-16 03:44:22,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 03:44:22,866 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:44:22,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:44:22,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1183434290, now seen corresponding path program 1 times [2022-10-16 03:44:22,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:44:22,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392944022] [2022-10-16 03:44:22,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:44:22,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:44:22,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:44:23,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:44:23,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:44:23,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392944022] [2022-10-16 03:44:23,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392944022] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:44:23,099 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:44:23,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 03:44:23,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613179208] [2022-10-16 03:44:23,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:44:23,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 03:44:23,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:44:23,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 03:44:23,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 03:44:23,101 INFO L87 Difference]: Start difference. First operand 1700 states and 2351 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:23,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:44:23,168 INFO L93 Difference]: Finished difference Result 3013 states and 4098 transitions. [2022-10-16 03:44:23,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 03:44:23,169 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 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 77 [2022-10-16 03:44:23,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:44:23,183 INFO L225 Difference]: With dead ends: 3013 [2022-10-16 03:44:23,183 INFO L226 Difference]: Without dead ends: 3013 [2022-10-16 03:44:23,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:44:23,184 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 202 mSDsluCounter, 499 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 666 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:44:23,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 666 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:44:23,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3013 states. [2022-10-16 03:44:23,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3013 to 1772. [2022-10-16 03:44:23,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1772 states, 1771 states have (on average 1.3591191417278374) internal successors, (2407), 1771 states have internal predecessors, (2407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:23,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1772 states to 1772 states and 2407 transitions. [2022-10-16 03:44:23,240 INFO L78 Accepts]: Start accepts. Automaton has 1772 states and 2407 transitions. Word has length 77 [2022-10-16 03:44:23,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:44:23,240 INFO L495 AbstractCegarLoop]: Abstraction has 1772 states and 2407 transitions. [2022-10-16 03:44:23,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:23,241 INFO L276 IsEmpty]: Start isEmpty. Operand 1772 states and 2407 transitions. [2022-10-16 03:44:23,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 03:44:23,242 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:44:23,242 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] [2022-10-16 03:44:23,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 03:44:23,243 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:44:23,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:44:23,243 INFO L85 PathProgramCache]: Analyzing trace with hash -696816699, now seen corresponding path program 1 times [2022-10-16 03:44:23,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:44:23,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147018802] [2022-10-16 03:44:23,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:44:23,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:44:23,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:44:23,369 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 03:44:23,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:44:23,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147018802] [2022-10-16 03:44:23,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147018802] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:44:23,370 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:44:23,370 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 03:44:23,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369602063] [2022-10-16 03:44:23,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:44:23,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:44:23,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:44:23,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:44:23,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:44:23,372 INFO L87 Difference]: Start difference. First operand 1772 states and 2407 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:23,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:44:23,438 INFO L93 Difference]: Finished difference Result 2762 states and 3762 transitions. [2022-10-16 03:44:23,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:44:23,438 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 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 77 [2022-10-16 03:44:23,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:44:23,451 INFO L225 Difference]: With dead ends: 2762 [2022-10-16 03:44:23,451 INFO L226 Difference]: Without dead ends: 2762 [2022-10-16 03:44:23,452 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:44:23,452 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 285 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:44:23,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 425 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:44:23,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2762 states. [2022-10-16 03:44:23,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2762 to 2264. [2022-10-16 03:44:23,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2264 states, 2263 states have (on average 1.3605832965090587) internal successors, (3079), 2263 states have internal predecessors, (3079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:23,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2264 states to 2264 states and 3079 transitions. [2022-10-16 03:44:23,518 INFO L78 Accepts]: Start accepts. Automaton has 2264 states and 3079 transitions. Word has length 77 [2022-10-16 03:44:23,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:44:23,518 INFO L495 AbstractCegarLoop]: Abstraction has 2264 states and 3079 transitions. [2022-10-16 03:44:23,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:23,518 INFO L276 IsEmpty]: Start isEmpty. Operand 2264 states and 3079 transitions. [2022-10-16 03:44:23,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 03:44:23,519 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:44:23,519 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] [2022-10-16 03:44:23,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 03:44:23,522 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:44:23,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:44:23,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1657778714, now seen corresponding path program 1 times [2022-10-16 03:44:23,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:44:23,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316974949] [2022-10-16 03:44:23,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:44:23,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:44:23,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:44:23,629 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 03:44:23,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:44:23,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316974949] [2022-10-16 03:44:23,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316974949] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:44:23,630 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:44:23,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:44:23,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12270362] [2022-10-16 03:44:23,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:44:23,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:44:23,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:44:23,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:44:23,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:44:23,633 INFO L87 Difference]: Start difference. First operand 2264 states and 3079 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:23,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:44:23,664 INFO L93 Difference]: Finished difference Result 3678 states and 4904 transitions. [2022-10-16 03:44:23,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:44:23,665 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 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 78 [2022-10-16 03:44:23,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:44:23,681 INFO L225 Difference]: With dead ends: 3678 [2022-10-16 03:44:23,682 INFO L226 Difference]: Without dead ends: 3678 [2022-10-16 03:44:23,684 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 03:44:23,684 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 58 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:44:23,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 261 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:44:23,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3678 states. [2022-10-16 03:44:23,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3678 to 3388. [2022-10-16 03:44:23,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3388 states, 3387 states have (on average 1.3413049896663714) internal successors, (4543), 3387 states have internal predecessors, (4543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:23,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3388 states to 3388 states and 4543 transitions. [2022-10-16 03:44:23,792 INFO L78 Accepts]: Start accepts. Automaton has 3388 states and 4543 transitions. Word has length 78 [2022-10-16 03:44:23,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:44:23,793 INFO L495 AbstractCegarLoop]: Abstraction has 3388 states and 4543 transitions. [2022-10-16 03:44:23,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:23,794 INFO L276 IsEmpty]: Start isEmpty. Operand 3388 states and 4543 transitions. [2022-10-16 03:44:23,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 03:44:23,795 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:44:23,796 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:44:23,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 03:44:23,796 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:44:23,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:44:23,796 INFO L85 PathProgramCache]: Analyzing trace with hash 910821393, now seen corresponding path program 1 times [2022-10-16 03:44:23,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:44:23,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946819852] [2022-10-16 03:44:23,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:44:23,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:44:23,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:44:23,921 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:44:23,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:44:23,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946819852] [2022-10-16 03:44:23,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946819852] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:44:23,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:44:23,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:44:23,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747480938] [2022-10-16 03:44:23,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:44:23,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:44:23,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:44:23,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:44:23,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:44:23,924 INFO L87 Difference]: Start difference. First operand 3388 states and 4543 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:23,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:44:23,951 INFO L93 Difference]: Finished difference Result 3390 states and 4472 transitions. [2022-10-16 03:44:23,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:44:23,951 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2022-10-16 03:44:23,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:44:23,966 INFO L225 Difference]: With dead ends: 3390 [2022-10-16 03:44:23,967 INFO L226 Difference]: Without dead ends: 3390 [2022-10-16 03:44:23,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:44:23,968 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 56 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:44:23,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 238 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:44:23,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3390 states. [2022-10-16 03:44:24,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3390 to 3388. [2022-10-16 03:44:24,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3388 states, 3387 states have (on average 1.3200472394449365) internal successors, (4471), 3387 states have internal predecessors, (4471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:24,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3388 states to 3388 states and 4471 transitions. [2022-10-16 03:44:24,042 INFO L78 Accepts]: Start accepts. Automaton has 3388 states and 4471 transitions. Word has length 99 [2022-10-16 03:44:24,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:44:24,042 INFO L495 AbstractCegarLoop]: Abstraction has 3388 states and 4471 transitions. [2022-10-16 03:44:24,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:24,042 INFO L276 IsEmpty]: Start isEmpty. Operand 3388 states and 4471 transitions. [2022-10-16 03:44:24,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 03:44:24,044 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:44:24,045 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:44:24,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 03:44:24,045 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:44:24,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:44:24,046 INFO L85 PathProgramCache]: Analyzing trace with hash 412335050, now seen corresponding path program 1 times [2022-10-16 03:44:24,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:44:24,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302008800] [2022-10-16 03:44:24,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:44:24,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:44:24,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:44:24,303 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-16 03:44:24,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:44:24,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302008800] [2022-10-16 03:44:24,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302008800] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:44:24,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:44:24,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 03:44:24,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133269106] [2022-10-16 03:44:24,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:44:24,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 03:44:24,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:44:24,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 03:44:24,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 03:44:24,306 INFO L87 Difference]: Start difference. First operand 3388 states and 4471 transitions. Second operand has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:24,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:44:24,614 INFO L93 Difference]: Finished difference Result 6839 states and 9001 transitions. [2022-10-16 03:44:24,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 03:44:24,614 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2022-10-16 03:44:24,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:44:24,641 INFO L225 Difference]: With dead ends: 6839 [2022-10-16 03:44:24,641 INFO L226 Difference]: Without dead ends: 6839 [2022-10-16 03:44:24,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2022-10-16 03:44:24,642 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 333 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:44:24,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 389 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 03:44:24,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6839 states. [2022-10-16 03:44:24,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6839 to 3388. [2022-10-16 03:44:24,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3388 states, 3387 states have (on average 1.3197519929140833) internal successors, (4470), 3387 states have internal predecessors, (4470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:24,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3388 states to 3388 states and 4470 transitions. [2022-10-16 03:44:24,745 INFO L78 Accepts]: Start accepts. Automaton has 3388 states and 4470 transitions. Word has length 99 [2022-10-16 03:44:24,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:44:24,745 INFO L495 AbstractCegarLoop]: Abstraction has 3388 states and 4470 transitions. [2022-10-16 03:44:24,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:24,746 INFO L276 IsEmpty]: Start isEmpty. Operand 3388 states and 4470 transitions. [2022-10-16 03:44:24,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 03:44:24,747 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:44:24,748 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:44:24,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 03:44:24,748 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:44:24,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:44:24,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1473855796, now seen corresponding path program 1 times [2022-10-16 03:44:24,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:44:24,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215089870] [2022-10-16 03:44:24,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:44:24,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:44:24,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:44:25,311 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:44:25,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:44:25,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215089870] [2022-10-16 03:44:25,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215089870] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 03:44:25,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [295670818] [2022-10-16 03:44:25,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:44:25,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 03:44:25,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 03:44:25,319 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 03:44:25,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 03:44:25,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:44:25,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-16 03:44:25,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 03:44:26,047 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 03:44:26,047 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 03:44:26,297 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 03:44:26,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [295670818] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 03:44:26,298 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 03:44:26,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 18 [2022-10-16 03:44:26,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206679175] [2022-10-16 03:44:26,298 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 03:44:26,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-10-16 03:44:26,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:44:26,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-10-16 03:44:26,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2022-10-16 03:44:26,300 INFO L87 Difference]: Start difference. First operand 3388 states and 4470 transitions. Second operand has 18 states, 18 states have (on average 15.944444444444445) internal successors, (287), 18 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:35,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:44:35,239 INFO L93 Difference]: Finished difference Result 21789 states and 27593 transitions. [2022-10-16 03:44:35,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2022-10-16 03:44:35,239 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 15.944444444444445) internal successors, (287), 18 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-10-16 03:44:35,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:44:35,276 INFO L225 Difference]: With dead ends: 21789 [2022-10-16 03:44:35,276 INFO L226 Difference]: Without dead ends: 21789 [2022-10-16 03:44:35,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3522 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=1912, Invalid=8594, Unknown=0, NotChecked=0, Total=10506 [2022-10-16 03:44:35,281 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 2677 mSDsluCounter, 1201 mSDsCounter, 0 mSdLazyCounter, 1601 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2677 SdHoareTripleChecker+Valid, 1332 SdHoareTripleChecker+Invalid, 1806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 1601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-16 03:44:35,282 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2677 Valid, 1332 Invalid, 1806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [205 Valid, 1601 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-16 03:44:35,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21789 states. [2022-10-16 03:44:35,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21789 to 8556. [2022-10-16 03:44:35,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8556 states, 8555 states have (on average 1.318176504967855) internal successors, (11277), 8555 states have internal predecessors, (11277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:35,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8556 states to 8556 states and 11277 transitions. [2022-10-16 03:44:35,527 INFO L78 Accepts]: Start accepts. Automaton has 8556 states and 11277 transitions. Word has length 101 [2022-10-16 03:44:35,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:44:35,528 INFO L495 AbstractCegarLoop]: Abstraction has 8556 states and 11277 transitions. [2022-10-16 03:44:35,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 15.944444444444445) internal successors, (287), 18 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:44:35,528 INFO L276 IsEmpty]: Start isEmpty. Operand 8556 states and 11277 transitions. [2022-10-16 03:44:35,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-16 03:44:35,530 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:44:35,530 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:44:35,573 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 03:44:35,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2022-10-16 03:44:35,745 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:44:35,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:44:35,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1109433394, now seen corresponding path program 1 times [2022-10-16 03:44:35,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:44:35,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187266468] [2022-10-16 03:44:35,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:44:35,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:44:35,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:44:36,430 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:44:36,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:44:36,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187266468] [2022-10-16 03:44:36,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187266468] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 03:44:36,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [738721172] [2022-10-16 03:44:36,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:44:36,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 03:44:36,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 03:44:36,433 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 03:44:36,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 03:44:36,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:44:36,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 28 conjunts are in the unsatisfiable core [2022-10-16 03:44:36,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 03:44:37,938 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:44:37,938 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 03:44:41,542 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:44:41,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [738721172] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 03:44:41,542 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 03:44:41,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17, 17] total 46 [2022-10-16 03:44:41,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476363841] [2022-10-16 03:44:41,543 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 03:44:41,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2022-10-16 03:44:41,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:44:41,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2022-10-16 03:44:41,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=1921, Unknown=0, NotChecked=0, Total=2070 [2022-10-16 03:44:41,545 INFO L87 Difference]: Start difference. First operand 8556 states and 11277 transitions. Second operand has 46 states, 46 states have (on average 6.282608695652174) internal successors, (289), 46 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:45:28,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:45:28,013 INFO L93 Difference]: Finished difference Result 199631 states and 257897 transitions. [2022-10-16 03:45:28,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 398 states. [2022-10-16 03:45:28,014 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 46 states have (on average 6.282608695652174) internal successors, (289), 46 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2022-10-16 03:45:28,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:45:28,701 INFO L225 Difference]: With dead ends: 199631 [2022-10-16 03:45:28,702 INFO L226 Difference]: Without dead ends: 199631 [2022-10-16 03:45:28,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 609 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 435 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79551 ImplicationChecksByTransitivity, 37.9s TimeCoverageRelationStatistics Valid=15825, Invalid=174707, Unknown=0, NotChecked=0, Total=190532 [2022-10-16 03:45:28,738 INFO L413 NwaCegarLoop]: 1094 mSDtfsCounter, 11809 mSDsluCounter, 28426 mSDsCounter, 0 mSdLazyCounter, 11018 mSolverCounterSat, 448 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11809 SdHoareTripleChecker+Valid, 29520 SdHoareTripleChecker+Invalid, 11466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 448 IncrementalHoareTripleChecker+Valid, 11018 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:45:28,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11809 Valid, 29520 Invalid, 11466 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [448 Valid, 11018 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2022-10-16 03:45:28,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199631 states. [2022-10-16 03:45:30,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199631 to 28322. [2022-10-16 03:45:30,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28322 states, 28321 states have (on average 1.3139366547791391) internal successors, (37212), 28321 states have internal predecessors, (37212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:45:30,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28322 states to 28322 states and 37212 transitions. [2022-10-16 03:45:30,497 INFO L78 Accepts]: Start accepts. Automaton has 28322 states and 37212 transitions. Word has length 102 [2022-10-16 03:45:30,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:45:30,498 INFO L495 AbstractCegarLoop]: Abstraction has 28322 states and 37212 transitions. [2022-10-16 03:45:30,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 6.282608695652174) internal successors, (289), 46 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:45:30,498 INFO L276 IsEmpty]: Start isEmpty. Operand 28322 states and 37212 transitions. [2022-10-16 03:45:30,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-10-16 03:45:30,503 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:45:30,504 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:45:30,544 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 03:45:30,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2022-10-16 03:45:30,718 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:45:30,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:45:30,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1863741074, now seen corresponding path program 1 times [2022-10-16 03:45:30,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:45:30,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772321446] [2022-10-16 03:45:30,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:45:30,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:45:30,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:45:31,584 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:45:31,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:45:31,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772321446] [2022-10-16 03:45:31,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772321446] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 03:45:31,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1857558317] [2022-10-16 03:45:31,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:45:31,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 03:45:31,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 03:45:31,587 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 03:45:31,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 03:45:31,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:45:31,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-16 03:45:31,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 03:45:32,663 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:45:32,663 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 03:45:33,332 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:45:33,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1857558317] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 03:45:33,332 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 03:45:33,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 10] total 33 [2022-10-16 03:45:33,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714521156] [2022-10-16 03:45:33,333 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 03:45:33,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-10-16 03:45:33,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:45:33,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-10-16 03:45:33,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=939, Unknown=0, NotChecked=0, Total=1056 [2022-10-16 03:45:33,335 INFO L87 Difference]: Start difference. First operand 28322 states and 37212 transitions. Second operand has 33 states, 33 states have (on average 8.727272727272727) internal successors, (288), 33 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:45:36,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:45:36,384 INFO L93 Difference]: Finished difference Result 81473 states and 105247 transitions. [2022-10-16 03:45:36,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-10-16 03:45:36,384 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 8.727272727272727) internal successors, (288), 33 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2022-10-16 03:45:36,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:45:36,507 INFO L225 Difference]: With dead ends: 81473 [2022-10-16 03:45:36,507 INFO L226 Difference]: Without dead ends: 81473 [2022-10-16 03:45:36,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1042 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=1134, Invalid=4122, Unknown=0, NotChecked=0, Total=5256 [2022-10-16 03:45:36,509 INFO L413 NwaCegarLoop]: 259 mSDtfsCounter, 2294 mSDsluCounter, 4697 mSDsCounter, 0 mSdLazyCounter, 1316 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2294 SdHoareTripleChecker+Valid, 4956 SdHoareTripleChecker+Invalid, 1367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 1316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 03:45:36,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2294 Valid, 4956 Invalid, 1367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 1316 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 03:45:36,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81473 states. [2022-10-16 03:45:37,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81473 to 39078. [2022-10-16 03:45:37,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39078 states, 39077 states have (on average 1.3177060675077412) internal successors, (51492), 39077 states have internal predecessors, (51492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:45:37,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39078 states to 39078 states and 51492 transitions. [2022-10-16 03:45:37,591 INFO L78 Accepts]: Start accepts. Automaton has 39078 states and 51492 transitions. Word has length 103 [2022-10-16 03:45:37,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:45:37,591 INFO L495 AbstractCegarLoop]: Abstraction has 39078 states and 51492 transitions. [2022-10-16 03:45:37,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 8.727272727272727) internal successors, (288), 33 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:45:37,592 INFO L276 IsEmpty]: Start isEmpty. Operand 39078 states and 51492 transitions. [2022-10-16 03:45:37,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-10-16 03:45:37,598 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:45:37,598 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:45:37,631 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-16 03:45:37,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 03:45:37,812 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:45:37,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:45:37,813 INFO L85 PathProgramCache]: Analyzing trace with hash -802517992, now seen corresponding path program 1 times [2022-10-16 03:45:37,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:45:37,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730187275] [2022-10-16 03:45:37,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:45:37,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:45:37,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:45:38,320 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:45:38,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:45:38,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730187275] [2022-10-16 03:45:38,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730187275] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 03:45:38,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [518445778] [2022-10-16 03:45:38,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:45:38,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 03:45:38,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 03:45:38,322 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 03:45:38,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 03:45:38,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:45:38,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-16 03:45:38,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 03:45:39,220 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:45:39,221 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 03:45:40,591 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:45:40,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [518445778] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 03:45:40,592 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 03:45:40,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 11] total 28 [2022-10-16 03:45:40,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709846880] [2022-10-16 03:45:40,592 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 03:45:40,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-10-16 03:45:40,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:45:40,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-10-16 03:45:40,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=698, Unknown=0, NotChecked=0, Total=812 [2022-10-16 03:45:40,594 INFO L87 Difference]: Start difference. First operand 39078 states and 51492 transitions. Second operand has 29 states, 29 states have (on average 10.0) internal successors, (290), 28 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:45:56,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:45:56,772 INFO L93 Difference]: Finished difference Result 110008 states and 140398 transitions. [2022-10-16 03:45:56,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-10-16 03:45:56,778 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 10.0) internal successors, (290), 28 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2022-10-16 03:45:56,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:45:56,937 INFO L225 Difference]: With dead ends: 110008 [2022-10-16 03:45:56,938 INFO L226 Difference]: Without dead ends: 110008 [2022-10-16 03:45:56,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 408 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 222 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19478 ImplicationChecksByTransitivity, 13.5s TimeCoverageRelationStatistics Valid=8841, Invalid=41111, Unknown=0, NotChecked=0, Total=49952 [2022-10-16 03:45:56,942 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 4216 mSDsluCounter, 3785 mSDsCounter, 0 mSdLazyCounter, 3320 mSolverCounterSat, 276 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4216 SdHoareTripleChecker+Valid, 4058 SdHoareTripleChecker+Invalid, 3596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 276 IncrementalHoareTripleChecker+Valid, 3320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:45:56,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4216 Valid, 4058 Invalid, 3596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [276 Valid, 3320 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-16 03:45:57,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110008 states. [2022-10-16 03:45:57,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110008 to 33796. [2022-10-16 03:45:57,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33796 states, 33795 states have (on average 1.313922177836958) internal successors, (44404), 33795 states have internal predecessors, (44404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:45:57,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33796 states to 33796 states and 44404 transitions. [2022-10-16 03:45:57,906 INFO L78 Accepts]: Start accepts. Automaton has 33796 states and 44404 transitions. Word has length 103 [2022-10-16 03:45:57,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:45:57,906 INFO L495 AbstractCegarLoop]: Abstraction has 33796 states and 44404 transitions. [2022-10-16 03:45:57,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 10.0) internal successors, (290), 28 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:45:57,907 INFO L276 IsEmpty]: Start isEmpty. Operand 33796 states and 44404 transitions. [2022-10-16 03:45:57,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-10-16 03:45:57,910 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:45:57,911 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:45:57,939 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-16 03:45:58,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 03:45:58,125 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:45:58,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:45:58,127 INFO L85 PathProgramCache]: Analyzing trace with hash -857411171, now seen corresponding path program 1 times [2022-10-16 03:45:58,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:45:58,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425851332] [2022-10-16 03:45:58,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:45:58,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:45:58,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:45:58,227 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:45:58,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:45:58,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425851332] [2022-10-16 03:45:58,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425851332] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:45:58,228 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:45:58,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:45:58,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057631373] [2022-10-16 03:45:58,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:45:58,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:45:58,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:45:58,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:45:58,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:45:58,229 INFO L87 Difference]: Start difference. First operand 33796 states and 44404 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:45:58,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:45:58,560 INFO L93 Difference]: Finished difference Result 18018 states and 22954 transitions. [2022-10-16 03:45:58,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:45:58,561 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2022-10-16 03:45:58,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:45:58,582 INFO L225 Difference]: With dead ends: 18018 [2022-10-16 03:45:58,582 INFO L226 Difference]: Without dead ends: 18018 [2022-10-16 03:45:58,582 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 03:45:58,583 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 56 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:45:58,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 212 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:45:58,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18018 states. [2022-10-16 03:45:58,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18018 to 16735. [2022-10-16 03:45:58,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16735 states, 16734 states have (on average 1.2797298912393928) internal successors, (21415), 16734 states have internal predecessors, (21415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:45:58,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16735 states to 16735 states and 21415 transitions. [2022-10-16 03:45:58,802 INFO L78 Accepts]: Start accepts. Automaton has 16735 states and 21415 transitions. Word has length 103 [2022-10-16 03:45:58,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:45:58,802 INFO L495 AbstractCegarLoop]: Abstraction has 16735 states and 21415 transitions. [2022-10-16 03:45:58,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 03:45:58,803 INFO L276 IsEmpty]: Start isEmpty. Operand 16735 states and 21415 transitions. [2022-10-16 03:45:58,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-10-16 03:45:58,807 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:45:58,807 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:45:58,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-10-16 03:45:58,807 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2022-10-16 03:45:58,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:45:58,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1032583901, now seen corresponding path program 1 times [2022-10-16 03:45:58,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:45:58,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968573245] [2022-10-16 03:45:58,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:45:58,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:45:59,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:45:59,816 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:45:59,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:45:59,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968573245] [2022-10-16 03:45:59,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968573245] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 03:45:59,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2015846476] [2022-10-16 03:45:59,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:45:59,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 03:45:59,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 03:45:59,818 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 03:45:59,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-16 03:45:59,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:45:59,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 28 conjunts are in the unsatisfiable core [2022-10-16 03:45:59,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 03:46:01,373 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:46:01,374 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 03:46:16,063 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:46:16,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2015846476] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 03:46:16,063 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 03:46:16,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16, 16] total 43 [2022-10-16 03:46:16,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430904168] [2022-10-16 03:46:16,064 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 03:46:16,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-10-16 03:46:16,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:46:16,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-10-16 03:46:16,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=1684, Unknown=0, NotChecked=0, Total=1806 [2022-10-16 03:46:16,069 INFO L87 Difference]: Start difference. First operand 16735 states and 21415 transitions. Second operand has 43 states, 43 states have (on average 6.441860465116279) internal successors, (277), 43 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)