/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 17:31:48,629 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 17:31:48,632 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 17:31:48,685 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 17:31:48,686 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 17:31:48,690 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 17:31:48,694 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 17:31:48,702 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 17:31:48,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 17:31:48,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 17:31:48,712 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 17:31:48,718 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 17:31:48,719 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 17:31:48,721 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 17:31:48,723 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 17:31:48,725 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 17:31:48,726 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 17:31:48,728 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 17:31:48,731 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 17:31:48,740 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 17:31:48,742 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 17:31:48,744 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 17:31:48,745 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 17:31:48,748 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 17:31:48,757 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 17:31:48,757 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 17:31:48,758 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 17:31:48,760 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 17:31:48,760 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 17:31:48,761 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 17:31:48,761 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 17:31:48,762 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 17:31:48,764 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 17:31:48,765 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 17:31:48,766 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 17:31:48,767 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 17:31:48,767 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 17:31:48,768 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 17:31:48,768 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 17:31:48,769 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 17:31:48,770 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 17:31:48,771 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-10-15 17:31:48,841 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 17:31:48,841 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 17:31:48,842 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 17:31:48,842 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 17:31:48,843 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 17:31:48,843 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 17:31:48,846 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 17:31:48,847 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 17:31:48,847 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 17:31:48,847 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 17:31:48,848 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 17:31:48,849 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 17:31:48,849 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 17:31:48,849 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 17:31:48,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 17:31:48,849 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-15 17:31:48,850 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-15 17:31:48,850 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-15 17:31:48,850 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 17:31:48,850 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-15 17:31:48,851 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 17:31:48,851 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 17:31:48,851 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 17:31:48,851 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 17:31:48,851 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 17:31:48,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 17:31:48,852 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 17:31:48,852 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 17:31:48,852 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 17:31:48,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 17:31:48,853 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 17:31:49,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 17:31:49,308 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 17:31:49,311 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 17:31:49,313 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 17:31:49,313 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 17:31:49,315 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-15 17:31:49,404 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51c82491b/e72c533f189d457f919e31736ceb5fdc/FLAG540fd8bd2 [2022-10-15 17:31:50,392 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 17:31:50,393 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-15 17:31:50,427 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51c82491b/e72c533f189d457f919e31736ceb5fdc/FLAG540fd8bd2 [2022-10-15 17:31:50,877 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51c82491b/e72c533f189d457f919e31736ceb5fdc [2022-10-15 17:31:50,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 17:31:50,889 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 17:31:50,893 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 17:31:50,893 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 17:31:50,903 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 17:31:50,905 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 05:31:50" (1/1) ... [2022-10-15 17:31:50,907 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27cb8542 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:31:50, skipping insertion in model container [2022-10-15 17:31:50,907 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 05:31:50" (1/1) ... [2022-10-15 17:31:50,917 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 17:31:51,078 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 17:31:51,827 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[31154,31167] [2022-10-15 17:31:51,876 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[32044,32057] [2022-10-15 17:31:51,931 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[33746,33759] [2022-10-15 17:31:51,956 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[34636,34649] [2022-10-15 17:31:52,015 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[37153,37166] [2022-10-15 17:31:52,044 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[38046,38059] [2022-10-15 17:31:52,091 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[39751,39764] [2022-10-15 17:31:52,130 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[41028,41041] [2022-10-15 17:31:52,421 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[55077,55090] [2022-10-15 17:31:52,461 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[55970,55983] [2022-10-15 17:31:52,494 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[57675,57688] [2022-10-15 17:31:52,573 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[61876,61889] [2022-10-15 17:31:52,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 17:31:52,758 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 17:31:53,104 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[31154,31167] [2022-10-15 17:31:53,128 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[32044,32057] [2022-10-15 17:31:53,161 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[33746,33759] [2022-10-15 17:31:53,180 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[34636,34649] [2022-10-15 17:31:53,236 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[37153,37166] [2022-10-15 17:31:53,263 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[38046,38059] [2022-10-15 17:31:53,303 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[39751,39764] [2022-10-15 17:31:53,334 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[41028,41041] [2022-10-15 17:31:53,536 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[55077,55090] [2022-10-15 17:31:53,552 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[55970,55983] [2022-10-15 17:31:53,589 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[57675,57688] [2022-10-15 17:31:53,657 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[61876,61889] [2022-10-15 17:31:53,784 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 17:31:53,812 INFO L208 MainTranslator]: Completed translation [2022-10-15 17:31:53,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:31:53 WrapperNode [2022-10-15 17:31:53,813 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 17:31:53,814 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 17:31:53,815 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 17:31:53,815 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 17:31:53,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:31:53" (1/1) ... [2022-10-15 17:31:53,886 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:31:53" (1/1) ... [2022-10-15 17:31:54,018 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 3807 [2022-10-15 17:31:54,019 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 17:31:54,020 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 17:31:54,020 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 17:31:54,021 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 17:31:54,033 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:31:53" (1/1) ... [2022-10-15 17:31:54,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:31:53" (1/1) ... [2022-10-15 17:31:54,051 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:31:53" (1/1) ... [2022-10-15 17:31:54,051 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:31:53" (1/1) ... [2022-10-15 17:31:54,120 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:31:53" (1/1) ... [2022-10-15 17:31:54,153 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:31:53" (1/1) ... [2022-10-15 17:31:54,168 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:31:53" (1/1) ... [2022-10-15 17:31:54,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:31:53" (1/1) ... [2022-10-15 17:31:54,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 17:31:54,203 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 17:31:54,204 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 17:31:54,204 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 17:31:54,205 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:31:53" (1/1) ... [2022-10-15 17:31:54,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 17:31:54,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 17:31:54,244 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 17:31:54,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 17:31:54,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 17:31:54,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 17:31:54,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 17:31:54,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 17:31:54,667 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 17:31:54,670 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 17:31:58,326 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 17:31:58,351 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 17:31:58,352 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 17:31:58,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 05:31:58 BoogieIcfgContainer [2022-10-15 17:31:58,357 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 17:31:58,360 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 17:31:58,360 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 17:31:58,365 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 17:31:58,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 05:31:50" (1/3) ... [2022-10-15 17:31:58,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@246eb20f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 05:31:58, skipping insertion in model container [2022-10-15 17:31:58,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:31:53" (2/3) ... [2022-10-15 17:31:58,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@246eb20f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 05:31:58, skipping insertion in model container [2022-10-15 17:31:58,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 05:31:58" (3/3) ... [2022-10-15 17:31:58,370 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-15 17:31:58,398 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 17:31:58,399 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 13 error locations. [2022-10-15 17:31:58,525 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 17:31:58,541 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;@434d56eb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 17:31:58,541 INFO L358 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2022-10-15 17:31:58,554 INFO L276 IsEmpty]: Start isEmpty. Operand has 914 states, 900 states have (on average 1.8366666666666667) internal successors, (1653), 913 states have internal predecessors, (1653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:31:58,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-15 17:31:58,570 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:31:58,571 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] [2022-10-15 17:31:58,572 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 10 more)] === [2022-10-15 17:31:58,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:31:58,582 INFO L85 PathProgramCache]: Analyzing trace with hash -486180907, now seen corresponding path program 1 times [2022-10-15 17:31:58,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:31:58,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132987641] [2022-10-15 17:31:58,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:31:58,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:31:58,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:31:59,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:31:59,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:31:59,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132987641] [2022-10-15 17:31:59,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132987641] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:31:59,367 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:31:59,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 17:31:59,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167148276] [2022-10-15 17:31:59,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:31:59,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:31:59,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:31:59,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:31:59,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:31:59,420 INFO L87 Difference]: Start difference. First operand has 914 states, 900 states have (on average 1.8366666666666667) internal successors, (1653), 913 states have internal predecessors, (1653), 0 states have call successors, (0), 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 26.0) internal successors, (52), 3 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) [2022-10-15 17:31:59,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:31:59,545 INFO L93 Difference]: Finished difference Result 913 states and 1640 transitions. [2022-10-15 17:31:59,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:31:59,549 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 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 [2022-10-15 17:31:59,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:31:59,574 INFO L225 Difference]: With dead ends: 913 [2022-10-15 17:31:59,575 INFO L226 Difference]: Without dead ends: 910 [2022-10-15 17:31:59,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:31:59,582 INFO L413 NwaCegarLoop]: 1639 mSDtfsCounter, 1589 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1589 SdHoareTripleChecker+Valid, 1639 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:31:59,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1589 Valid, 1639 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:31:59,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 910 states. [2022-10-15 17:31:59,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 910 to 910. [2022-10-15 17:31:59,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 910 states, 898 states have (on average 1.5367483296213809) internal successors, (1380), 909 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:31:59,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 910 states and 1380 transitions. [2022-10-15 17:31:59,718 INFO L78 Accepts]: Start accepts. Automaton has 910 states and 1380 transitions. Word has length 52 [2022-10-15 17:31:59,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:31:59,719 INFO L495 AbstractCegarLoop]: Abstraction has 910 states and 1380 transitions. [2022-10-15 17:31:59,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 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) [2022-10-15 17:31:59,722 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1380 transitions. [2022-10-15 17:31:59,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2022-10-15 17:31:59,742 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:31:59,742 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:31:59,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 17:31:59,743 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 10 more)] === [2022-10-15 17:31:59,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:31:59,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1812290183, now seen corresponding path program 1 times [2022-10-15 17:31:59,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:31:59,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368212016] [2022-10-15 17:31:59,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:31:59,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:31:59,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:32:00,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:32:00,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:32:00,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368212016] [2022-10-15 17:32:00,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368212016] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:32:00,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:32:00,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:32:00,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979348779] [2022-10-15 17:32:00,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:32:00,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:32:00,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:32:00,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:32:00,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:32:00,509 INFO L87 Difference]: Start difference. First operand 910 states and 1380 transitions. Second operand has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:32:00,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:32:00,686 INFO L93 Difference]: Finished difference Result 1299 states and 1976 transitions. [2022-10-15 17:32:00,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:32:00,690 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 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 300 [2022-10-15 17:32:00,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:32:00,724 INFO L225 Difference]: With dead ends: 1299 [2022-10-15 17:32:00,724 INFO L226 Difference]: Without dead ends: 1299 [2022-10-15 17:32:00,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:32:00,730 INFO L413 NwaCegarLoop]: 1554 mSDtfsCounter, 684 mSDsluCounter, 1030 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 684 SdHoareTripleChecker+Valid, 2584 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:32:00,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [684 Valid, 2584 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:32:00,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1299 states. [2022-10-15 17:32:00,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1299 to 1297. [2022-10-15 17:32:00,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1297 states, 1285 states have (on average 1.5369649805447472) internal successors, (1975), 1296 states have internal predecessors, (1975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:32:00,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 1297 states and 1975 transitions. [2022-10-15 17:32:00,826 INFO L78 Accepts]: Start accepts. Automaton has 1297 states and 1975 transitions. Word has length 300 [2022-10-15 17:32:00,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:32:00,828 INFO L495 AbstractCegarLoop]: Abstraction has 1297 states and 1975 transitions. [2022-10-15 17:32:00,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:32:00,829 INFO L276 IsEmpty]: Start isEmpty. Operand 1297 states and 1975 transitions. [2022-10-15 17:32:00,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2022-10-15 17:32:00,836 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:32:00,836 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:32:00,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 17:32:00,837 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 10 more)] === [2022-10-15 17:32:00,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:32:00,838 INFO L85 PathProgramCache]: Analyzing trace with hash -1884582879, now seen corresponding path program 1 times [2022-10-15 17:32:00,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:32:00,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036601840] [2022-10-15 17:32:00,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:32:00,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:32:01,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:32:01,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:32:01,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:32:01,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036601840] [2022-10-15 17:32:01,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036601840] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:32:01,345 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:32:01,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:32:01,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586583050] [2022-10-15 17:32:01,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:32:01,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:32:01,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:32:01,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:32:01,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:32:01,350 INFO L87 Difference]: Start difference. First operand 1297 states and 1975 transitions. Second operand has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:32:01,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:32:01,583 INFO L93 Difference]: Finished difference Result 2097 states and 3204 transitions. [2022-10-15 17:32:01,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:32:01,584 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 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 300 [2022-10-15 17:32:01,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:32:01,600 INFO L225 Difference]: With dead ends: 2097 [2022-10-15 17:32:01,600 INFO L226 Difference]: Without dead ends: 2097 [2022-10-15 17:32:01,601 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:32:01,602 INFO L413 NwaCegarLoop]: 1524 mSDtfsCounter, 709 mSDsluCounter, 1020 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 709 SdHoareTripleChecker+Valid, 2544 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 17:32:01,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [709 Valid, 2544 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 17:32:01,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2097 states. [2022-10-15 17:32:01,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2097 to 2095. [2022-10-15 17:32:01,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2095 states, 2083 states have (on average 1.5376860297647623) internal successors, (3203), 2094 states have internal predecessors, (3203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:32:01,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2095 states to 2095 states and 3203 transitions. [2022-10-15 17:32:01,683 INFO L78 Accepts]: Start accepts. Automaton has 2095 states and 3203 transitions. Word has length 300 [2022-10-15 17:32:01,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:32:01,685 INFO L495 AbstractCegarLoop]: Abstraction has 2095 states and 3203 transitions. [2022-10-15 17:32:01,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:32:01,686 INFO L276 IsEmpty]: Start isEmpty. Operand 2095 states and 3203 transitions. [2022-10-15 17:32:01,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2022-10-15 17:32:01,696 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:32:01,696 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:32:01,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 17:32:01,697 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 10 more)] === [2022-10-15 17:32:01,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:32:01,698 INFO L85 PathProgramCache]: Analyzing trace with hash -1937738574, now seen corresponding path program 1 times [2022-10-15 17:32:01,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:32:01,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073100711] [2022-10-15 17:32:01,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:32:01,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:32:01,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:32:02,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:32:02,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:32:02,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073100711] [2022-10-15 17:32:02,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073100711] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:32:02,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:32:02,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:32:02,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419165418] [2022-10-15 17:32:02,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:32:02,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:32:02,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:32:02,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:32:02,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:32:02,235 INFO L87 Difference]: Start difference. First operand 2095 states and 3203 transitions. Second operand has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:32:02,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:32:02,570 INFO L93 Difference]: Finished difference Result 3737 states and 5730 transitions. [2022-10-15 17:32:02,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:32:02,572 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 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 300 [2022-10-15 17:32:02,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:32:02,599 INFO L225 Difference]: With dead ends: 3737 [2022-10-15 17:32:02,599 INFO L226 Difference]: Without dead ends: 3737 [2022-10-15 17:32:02,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:32:02,604 INFO L413 NwaCegarLoop]: 1496 mSDtfsCounter, 754 mSDsluCounter, 1042 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 754 SdHoareTripleChecker+Valid, 2538 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 17:32:02,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [754 Valid, 2538 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 17:32:02,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3737 states. [2022-10-15 17:32:02,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3737 to 3735. [2022-10-15 17:32:02,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3735 states, 3723 states have (on average 1.538812785388128) internal successors, (5729), 3734 states have internal predecessors, (5729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:32:02,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3735 states to 3735 states and 5729 transitions. [2022-10-15 17:32:02,726 INFO L78 Accepts]: Start accepts. Automaton has 3735 states and 5729 transitions. Word has length 300 [2022-10-15 17:32:02,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:32:02,727 INFO L495 AbstractCegarLoop]: Abstraction has 3735 states and 5729 transitions. [2022-10-15 17:32:02,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:32:02,728 INFO L276 IsEmpty]: Start isEmpty. Operand 3735 states and 5729 transitions. [2022-10-15 17:32:02,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2022-10-15 17:32:02,740 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:32:02,741 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:32:02,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 17:32:02,742 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 10 more)] === [2022-10-15 17:32:02,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:32:02,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1938169550, now seen corresponding path program 1 times [2022-10-15 17:32:02,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:32:02,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082361226] [2022-10-15 17:32:02,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:32:02,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:32:03,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:32:04,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:32:04,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:32:04,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082361226] [2022-10-15 17:32:04,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082361226] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:32:04,437 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:32:04,437 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:32:04,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651042905] [2022-10-15 17:32:04,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:32:04,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 17:32:04,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:32:04,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 17:32:04,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 17:32:04,441 INFO L87 Difference]: Start difference. First operand 3735 states and 5729 transitions. Second operand has 4 states, 4 states have (on average 75.0) internal successors, (300), 4 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:32:04,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:32:04,756 INFO L93 Difference]: Finished difference Result 7367 states and 11239 transitions. [2022-10-15 17:32:04,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 17:32:04,758 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 75.0) internal successors, (300), 4 states have internal predecessors, (300), 0 states have call successors, (0), 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 300 [2022-10-15 17:32:04,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:32:04,817 INFO L225 Difference]: With dead ends: 7367 [2022-10-15 17:32:04,819 INFO L226 Difference]: Without dead ends: 7367 [2022-10-15 17:32:04,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:32:04,832 INFO L413 NwaCegarLoop]: 2375 mSDtfsCounter, 2923 mSDsluCounter, 1316 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2923 SdHoareTripleChecker+Valid, 3691 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:32:04,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2923 Valid, 3691 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:32:04,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7367 states. [2022-10-15 17:32:05,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7367 to 7187. [2022-10-15 17:32:05,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7187 states, 7175 states have (on average 1.5321254355400697) internal successors, (10993), 7186 states have internal predecessors, (10993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:32:05,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7187 states to 7187 states and 10993 transitions. [2022-10-15 17:32:05,160 INFO L78 Accepts]: Start accepts. Automaton has 7187 states and 10993 transitions. Word has length 300 [2022-10-15 17:32:05,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:32:05,161 INFO L495 AbstractCegarLoop]: Abstraction has 7187 states and 10993 transitions. [2022-10-15 17:32:05,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 75.0) internal successors, (300), 4 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:32:05,161 INFO L276 IsEmpty]: Start isEmpty. Operand 7187 states and 10993 transitions. [2022-10-15 17:32:05,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2022-10-15 17:32:05,184 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:32:05,184 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:32:05,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 17:32:05,185 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 10 more)] === [2022-10-15 17:32:05,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:32:05,186 INFO L85 PathProgramCache]: Analyzing trace with hash -663774509, now seen corresponding path program 1 times [2022-10-15 17:32:05,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:32:05,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45335676] [2022-10-15 17:32:05,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:32:05,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:32:05,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:32:05,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:32:05,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:32:05,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45335676] [2022-10-15 17:32:05,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45335676] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:32:05,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:32:05,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:32:05,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616247472] [2022-10-15 17:32:05,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:32:05,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:32:05,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:32:05,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:32:05,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:32:05,599 INFO L87 Difference]: Start difference. First operand 7187 states and 10993 transitions. Second operand has 3 states, 3 states have (on average 100.66666666666667) internal successors, (302), 3 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:32:05,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:32:05,808 INFO L93 Difference]: Finished difference Result 14112 states and 21458 transitions. [2022-10-15 17:32:05,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:32:05,810 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 100.66666666666667) internal successors, (302), 3 states have internal predecessors, (302), 0 states have call successors, (0), 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 302 [2022-10-15 17:32:05,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:32:05,895 INFO L225 Difference]: With dead ends: 14112 [2022-10-15 17:32:05,895 INFO L226 Difference]: Without dead ends: 14112 [2022-10-15 17:32:05,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:32:05,897 INFO L413 NwaCegarLoop]: 2628 mSDtfsCounter, 1240 mSDsluCounter, 1318 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1240 SdHoareTripleChecker+Valid, 3946 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:32:05,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1240 Valid, 3946 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:32:05,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14112 states. [2022-10-15 17:32:06,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14112 to 13932. [2022-10-15 17:32:06,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13932 states, 13920 states have (on average 1.5238505747126436) internal successors, (21212), 13931 states have internal predecessors, (21212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:32:06,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13932 states to 13932 states and 21212 transitions. [2022-10-15 17:32:06,644 INFO L78 Accepts]: Start accepts. Automaton has 13932 states and 21212 transitions. Word has length 302 [2022-10-15 17:32:06,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:32:06,645 INFO L495 AbstractCegarLoop]: Abstraction has 13932 states and 21212 transitions. [2022-10-15 17:32:06,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.66666666666667) internal successors, (302), 3 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:32:06,647 INFO L276 IsEmpty]: Start isEmpty. Operand 13932 states and 21212 transitions. [2022-10-15 17:32:06,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2022-10-15 17:32:06,687 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:32:06,688 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:32:06,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 17:32:06,689 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 10 more)] === [2022-10-15 17:32:06,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:32:06,690 INFO L85 PathProgramCache]: Analyzing trace with hash 172563160, now seen corresponding path program 1 times [2022-10-15 17:32:06,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:32:06,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848750573] [2022-10-15 17:32:06,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:32:06,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:32:06,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:32:06,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:32:06,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:32:06,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848750573] [2022-10-15 17:32:06,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848750573] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:32:06,966 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:32:06,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:32:06,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985623223] [2022-10-15 17:32:06,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:32:06,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:32:06,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:32:06,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:32:06,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:32:06,969 INFO L87 Difference]: Start difference. First operand 13932 states and 21212 transitions. Second operand has 3 states, 3 states have (on average 100.66666666666667) internal successors, (302), 3 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:32:07,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:32:07,209 INFO L93 Difference]: Finished difference Result 27835 states and 42368 transitions. [2022-10-15 17:32:07,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:32:07,210 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 100.66666666666667) internal successors, (302), 3 states have internal predecessors, (302), 0 states have call successors, (0), 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 302 [2022-10-15 17:32:07,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:32:07,292 INFO L225 Difference]: With dead ends: 27835 [2022-10-15 17:32:07,292 INFO L226 Difference]: Without dead ends: 27835 [2022-10-15 17:32:07,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:32:07,294 INFO L413 NwaCegarLoop]: 2734 mSDtfsCounter, 1364 mSDsluCounter, 1365 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1364 SdHoareTripleChecker+Valid, 4099 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:32:07,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1364 Valid, 4099 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:32:07,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27835 states. [2022-10-15 17:32:08,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27835 to 13951. [2022-10-15 17:32:08,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13951 states, 13939 states have (on average 1.5237821938446086) internal successors, (21240), 13950 states have internal predecessors, (21240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:32:08,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13951 states to 13951 states and 21240 transitions. [2022-10-15 17:32:08,330 INFO L78 Accepts]: Start accepts. Automaton has 13951 states and 21240 transitions. Word has length 302 [2022-10-15 17:32:08,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:32:08,331 INFO L495 AbstractCegarLoop]: Abstraction has 13951 states and 21240 transitions. [2022-10-15 17:32:08,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.66666666666667) internal successors, (302), 3 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:32:08,332 INFO L276 IsEmpty]: Start isEmpty. Operand 13951 states and 21240 transitions. [2022-10-15 17:32:08,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2022-10-15 17:32:08,372 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:32:08,373 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:32:08,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 17:32:08,374 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 10 more)] === [2022-10-15 17:32:08,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:32:08,374 INFO L85 PathProgramCache]: Analyzing trace with hash -992441086, now seen corresponding path program 1 times [2022-10-15 17:32:08,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:32:08,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990200215] [2022-10-15 17:32:08,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:32:08,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:32:08,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:32:08,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:32:08,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:32:08,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990200215] [2022-10-15 17:32:08,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990200215] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:32:08,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:32:08,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:32:08,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264677970] [2022-10-15 17:32:08,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:32:08,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:32:08,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:32:08,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:32:08,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:32:08,624 INFO L87 Difference]: Start difference. First operand 13951 states and 21240 transitions. Second operand has 3 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:32:09,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:32:09,010 INFO L93 Difference]: Finished difference Result 27853 states and 42389 transitions. [2022-10-15 17:32:09,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:32:09,011 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 0 states have call successors, (0), 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 303 [2022-10-15 17:32:09,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:32:09,183 INFO L225 Difference]: With dead ends: 27853 [2022-10-15 17:32:09,184 INFO L226 Difference]: Without dead ends: 27853 [2022-10-15 17:32:09,184 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:32:09,185 INFO L413 NwaCegarLoop]: 2734 mSDtfsCounter, 1359 mSDsluCounter, 1365 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1359 SdHoareTripleChecker+Valid, 4099 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:32:09,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1359 Valid, 4099 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:32:09,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27853 states. [2022-10-15 17:32:09,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27853 to 13969. [2022-10-15 17:32:09,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13969 states, 13957 states have (on average 1.5233216307229347) internal successors, (21261), 13968 states have internal predecessors, (21261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:32:09,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13969 states to 13969 states and 21261 transitions. [2022-10-15 17:32:09,758 INFO L78 Accepts]: Start accepts. Automaton has 13969 states and 21261 transitions. Word has length 303 [2022-10-15 17:32:09,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:32:09,759 INFO L495 AbstractCegarLoop]: Abstraction has 13969 states and 21261 transitions. [2022-10-15 17:32:09,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:32:09,759 INFO L276 IsEmpty]: Start isEmpty. Operand 13969 states and 21261 transitions. [2022-10-15 17:32:09,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-10-15 17:32:09,792 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:32:09,793 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:32:09,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 17:32:09,793 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 10 more)] === [2022-10-15 17:32:09,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:32:09,794 INFO L85 PathProgramCache]: Analyzing trace with hash -143383666, now seen corresponding path program 1 times [2022-10-15 17:32:09,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:32:09,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014608632] [2022-10-15 17:32:09,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:32:09,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:32:09,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:32:10,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:32:10,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:32:10,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014608632] [2022-10-15 17:32:10,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014608632] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:32:10,212 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:32:10,212 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:32:10,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934396786] [2022-10-15 17:32:10,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:32:10,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:32:10,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:32:10,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:32:10,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:32:10,214 INFO L87 Difference]: Start difference. First operand 13969 states and 21261 transitions. Second operand has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:32:10,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:32:10,497 INFO L93 Difference]: Finished difference Result 27320 states and 41307 transitions. [2022-10-15 17:32:10,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:32:10,498 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 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 304 [2022-10-15 17:32:10,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:32:10,570 INFO L225 Difference]: With dead ends: 27320 [2022-10-15 17:32:10,570 INFO L226 Difference]: Without dead ends: 27320 [2022-10-15 17:32:10,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:32:10,571 INFO L413 NwaCegarLoop]: 2690 mSDtfsCounter, 1233 mSDsluCounter, 1318 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1233 SdHoareTripleChecker+Valid, 4008 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:32:10,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1233 Valid, 4008 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:32:10,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27320 states. [2022-10-15 17:32:11,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27320 to 27140. [2022-10-15 17:32:11,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27140 states, 27128 states have (on average 1.5136021822471248) internal successors, (41061), 27139 states have internal predecessors, (41061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:32:11,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27140 states to 27140 states and 41061 transitions. [2022-10-15 17:32:11,487 INFO L78 Accepts]: Start accepts. Automaton has 27140 states and 41061 transitions. Word has length 304 [2022-10-15 17:32:11,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:32:11,487 INFO L495 AbstractCegarLoop]: Abstraction has 27140 states and 41061 transitions. [2022-10-15 17:32:11,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:32:11,488 INFO L276 IsEmpty]: Start isEmpty. Operand 27140 states and 41061 transitions. [2022-10-15 17:32:11,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-10-15 17:32:11,539 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:32:11,540 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:32:11,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 17:32:11,540 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 10 more)] === [2022-10-15 17:32:11,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:32:11,541 INFO L85 PathProgramCache]: Analyzing trace with hash -780262677, now seen corresponding path program 1 times [2022-10-15 17:32:11,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:32:11,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993742486] [2022-10-15 17:32:11,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:32:11,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:32:12,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:32:12,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:32:12,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:32:12,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993742486] [2022-10-15 17:32:12,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993742486] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:32:12,860 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:32:12,860 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 17:32:12,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869526601] [2022-10-15 17:32:12,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:32:12,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:32:12,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:32:12,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:32:12,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:32:12,862 INFO L87 Difference]: Start difference. First operand 27140 states and 41061 transitions. Second operand has 5 states, 5 states have (on average 60.8) internal successors, (304), 5 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:32:13,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:32:13,418 INFO L93 Difference]: Finished difference Result 53193 states and 79888 transitions. [2022-10-15 17:32:13,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 17:32:13,419 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 60.8) internal successors, (304), 5 states have internal predecessors, (304), 0 states have call successors, (0), 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 304 [2022-10-15 17:32:13,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:32:13,583 INFO L225 Difference]: With dead ends: 53193 [2022-10-15 17:32:13,584 INFO L226 Difference]: Without dead ends: 53193 [2022-10-15 17:32:13,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:32:13,585 INFO L413 NwaCegarLoop]: 2307 mSDtfsCounter, 4304 mSDsluCounter, 1308 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4304 SdHoareTripleChecker+Valid, 3615 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:32:13,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4304 Valid, 3615 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:32:13,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53193 states. [2022-10-15 17:32:15,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53193 to 53029. [2022-10-15 17:32:15,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53029 states, 53017 states have (on average 1.5026500933662787) internal successors, (79666), 53028 states have internal predecessors, (79666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:32:15,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53029 states to 53029 states and 79666 transitions. [2022-10-15 17:32:15,822 INFO L78 Accepts]: Start accepts. Automaton has 53029 states and 79666 transitions. Word has length 304 [2022-10-15 17:32:15,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:32:15,822 INFO L495 AbstractCegarLoop]: Abstraction has 53029 states and 79666 transitions. [2022-10-15 17:32:15,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 60.8) internal successors, (304), 5 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:32:15,823 INFO L276 IsEmpty]: Start isEmpty. Operand 53029 states and 79666 transitions. [2022-10-15 17:32:15,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-10-15 17:32:15,935 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:32:15,935 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:32:15,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 17:32:15,936 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 10 more)] === [2022-10-15 17:32:15,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:32:15,937 INFO L85 PathProgramCache]: Analyzing trace with hash 103770907, now seen corresponding path program 1 times [2022-10-15 17:32:15,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:32:15,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082471246] [2022-10-15 17:32:15,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:32:15,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:32:16,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:32:17,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:32:17,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:32:17,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082471246] [2022-10-15 17:32:17,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082471246] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:32:17,510 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:32:17,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:32:17,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475116803] [2022-10-15 17:32:17,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:32:17,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 17:32:17,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:32:17,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 17:32:17,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 17:32:17,513 INFO L87 Difference]: Start difference. First operand 53029 states and 79666 transitions. Second operand has 4 states, 4 states have (on average 76.5) internal successors, (306), 4 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:32:18,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:32:18,438 INFO L93 Difference]: Finished difference Result 103837 states and 154883 transitions. [2022-10-15 17:32:18,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 17:32:18,439 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 76.5) internal successors, (306), 4 states have internal predecessors, (306), 0 states have call successors, (0), 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 306 [2022-10-15 17:32:18,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:32:19,181 INFO L225 Difference]: With dead ends: 103837 [2022-10-15 17:32:19,182 INFO L226 Difference]: Without dead ends: 103837 [2022-10-15 17:32:19,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:32:19,183 INFO L413 NwaCegarLoop]: 2348 mSDtfsCounter, 2868 mSDsluCounter, 1312 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2868 SdHoareTripleChecker+Valid, 3660 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:32:19,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2868 Valid, 3660 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:32:19,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103837 states. [2022-10-15 17:32:21,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103837 to 103645. [2022-10-15 17:32:22,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103645 states, 103633 states have (on average 1.4920440400258606) internal successors, (154625), 103644 states have internal predecessors, (154625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:32:23,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103645 states to 103645 states and 154625 transitions. [2022-10-15 17:32:23,190 INFO L78 Accepts]: Start accepts. Automaton has 103645 states and 154625 transitions. Word has length 306 [2022-10-15 17:32:23,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:32:23,191 INFO L495 AbstractCegarLoop]: Abstraction has 103645 states and 154625 transitions. [2022-10-15 17:32:23,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 76.5) internal successors, (306), 4 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:32:23,191 INFO L276 IsEmpty]: Start isEmpty. Operand 103645 states and 154625 transitions. [2022-10-15 17:32:23,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2022-10-15 17:32:23,403 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:32:23,403 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:32:23,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 17:32:23,404 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 10 more)] === [2022-10-15 17:32:23,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:32:23,405 INFO L85 PathProgramCache]: Analyzing trace with hash -679370637, now seen corresponding path program 1 times [2022-10-15 17:32:23,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:32:23,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958974730] [2022-10-15 17:32:23,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:32:23,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:32:23,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:32:23,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:32:23,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:32:23,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958974730] [2022-10-15 17:32:23,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958974730] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:32:23,749 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:32:23,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:32:23,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837637316] [2022-10-15 17:32:23,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:32:23,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:32:23,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:32:23,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:32:23,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:32:23,752 INFO L87 Difference]: Start difference. First operand 103645 states and 154625 transitions. Second operand has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 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) [2022-10-15 17:32:25,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:32:25,775 INFO L93 Difference]: Finished difference Result 203055 states and 300757 transitions. [2022-10-15 17:32:25,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:32:25,776 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 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) Word has length 308 [2022-10-15 17:32:25,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:32:26,590 INFO L225 Difference]: With dead ends: 203055 [2022-10-15 17:32:26,590 INFO L226 Difference]: Without dead ends: 203055 [2022-10-15 17:32:26,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:32:26,592 INFO L413 NwaCegarLoop]: 2630 mSDtfsCounter, 1216 mSDsluCounter, 1322 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1216 SdHoareTripleChecker+Valid, 3952 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:32:26,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1216 Valid, 3952 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:32:26,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203055 states. [2022-10-15 17:32:32,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203055 to 202863. [2022-10-15 17:32:33,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202863 states, 202851 states have (on average 1.4813779572198313) internal successors, (300499), 202862 states have internal predecessors, (300499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:32:33,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202863 states to 202863 states and 300499 transitions. [2022-10-15 17:32:33,995 INFO L78 Accepts]: Start accepts. Automaton has 202863 states and 300499 transitions. Word has length 308 [2022-10-15 17:32:33,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:32:33,996 INFO L495 AbstractCegarLoop]: Abstraction has 202863 states and 300499 transitions. [2022-10-15 17:32:33,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 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) [2022-10-15 17:32:33,997 INFO L276 IsEmpty]: Start isEmpty. Operand 202863 states and 300499 transitions.