/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 17:42:52,896 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 17:42:52,899 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 17:42:52,933 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 17:42:52,933 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 17:42:52,935 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 17:42:52,936 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 17:42:52,939 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 17:42:52,941 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 17:42:52,942 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 17:42:52,943 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 17:42:52,945 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 17:42:52,945 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 17:42:52,947 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 17:42:52,948 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 17:42:52,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 17:42:52,955 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 17:42:52,956 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 17:42:52,958 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 17:42:52,961 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 17:42:52,962 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 17:42:52,964 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 17:42:52,966 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 17:42:52,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 17:42:52,971 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 17:42:52,982 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 17:42:52,983 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 17:42:52,984 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 17:42:52,985 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 17:42:53,020 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 17:42:53,021 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 17:42:53,021 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 17:42:53,021 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 17:42:53,024 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 17:42:53,024 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 17:42:53,026 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 17:42:53,026 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 17:42:53,026 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 17:42:53,026 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 17:42:53,027 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 17:42:53,027 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 17:42:53,027 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 17:42:53,027 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 17:42:53,027 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 17:42:53,029 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-15 17:42:53,029 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-15 17:42:53,029 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-15 17:42:53,029 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 17:42:53,029 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-15 17:42:53,030 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 17:42:53,030 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 17:42:53,030 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 17:42:53,031 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 17:42:53,031 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 17:42:53,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 17:42:53,031 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 17:42:53,032 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 17:42:53,032 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 17:42:53,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 17:42:53,033 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 17:42:53,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 17:42:53,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 17:42:53,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 17:42:53,484 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 17:42:53,485 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 17:42:53,486 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c [2022-10-15 17:42:53,560 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/778de14e3/9c96f1bc2c734b6786ccf8d8561094f4/FLAGbc55d77ec [2022-10-15 17:42:54,762 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 17:42:54,763 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c [2022-10-15 17:42:54,852 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/778de14e3/9c96f1bc2c734b6786ccf8d8561094f4/FLAGbc55d77ec [2022-10-15 17:42:55,031 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/778de14e3/9c96f1bc2c734b6786ccf8d8561094f4 [2022-10-15 17:42:55,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 17:42:55,045 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 17:42:55,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 17:42:55,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 17:42:55,057 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 17:42:55,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 05:42:55" (1/1) ... [2022-10-15 17:42:55,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d8826df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:42:55, skipping insertion in model container [2022-10-15 17:42:55,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 05:42:55" (1/1) ... [2022-10-15 17:42:55,069 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 17:42:55,449 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 17:42:56,106 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[17602,17615] [2022-10-15 17:42:56,157 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[22899,22912] [2022-10-15 17:42:56,181 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[24256,24269] [2022-10-15 17:42:56,201 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[25064,25077] [2022-10-15 17:42:56,216 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[26792,26805] [2022-10-15 17:42:56,226 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[27600,27613] [2022-10-15 17:42:56,244 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[28779,28792] [2022-10-15 17:42:56,268 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[31519,31532] [2022-10-15 17:42:56,297 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[32330,32343] [2022-10-15 17:42:56,308 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[33512,33525] [2022-10-15 17:42:56,326 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[35703,35716] [2022-10-15 17:42:56,359 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[39963,39976] [2022-10-15 17:42:56,368 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[40774,40787] [2022-10-15 17:42:56,378 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[41956,41969] [2022-10-15 17:42:56,416 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[44147,44160] [2022-10-15 17:42:56,473 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[47858,47871] [2022-10-15 17:42:56,519 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[54605,54618] [2022-10-15 17:42:56,527 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[55416,55429] [2022-10-15 17:42:56,536 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_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[56559,56572] [2022-10-15 17:42:56,554 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[58711,58724] [2022-10-15 17:42:56,594 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[62628,62641] [2022-10-15 17:42:56,650 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[69577,69590] [2022-10-15 17:42:56,735 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[82313,82326] [2022-10-15 17:42:56,743 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[83124,83137] [2022-10-15 17:42:56,755 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[84306,84319] [2022-10-15 17:42:56,773 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[86497,86510] [2022-10-15 17:42:56,801 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[90208,90221] [2022-10-15 17:42:56,842 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[96406,96419] [2022-10-15 17:42:56,898 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[106997,107010] [2022-10-15 17:42:57,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 17:42:57,928 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 17:42:58,044 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_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[17602,17615] [2022-10-15 17:42:58,065 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[22899,22912] [2022-10-15 17:42:58,075 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[24256,24269] [2022-10-15 17:42:58,081 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[25064,25077] [2022-10-15 17:42:58,092 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[26792,26805] [2022-10-15 17:42:58,098 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[27600,27613] [2022-10-15 17:42:58,106 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[28779,28792] [2022-10-15 17:42:58,127 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[31519,31532] [2022-10-15 17:42:58,134 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[32330,32343] [2022-10-15 17:42:58,141 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[33512,33525] [2022-10-15 17:42:58,154 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[35703,35716] [2022-10-15 17:42:58,180 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_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[39963,39976] [2022-10-15 17:42:58,187 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[40774,40787] [2022-10-15 17:42:58,195 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[41956,41969] [2022-10-15 17:42:58,208 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[44147,44160] [2022-10-15 17:42:58,229 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[47858,47871] [2022-10-15 17:42:58,264 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[54605,54618] [2022-10-15 17:42:58,270 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[55416,55429] [2022-10-15 17:42:58,279 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[56559,56572] [2022-10-15 17:42:58,291 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[58711,58724] [2022-10-15 17:42:58,311 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[62628,62641] [2022-10-15 17:42:58,345 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[69577,69590] [2022-10-15 17:42:58,403 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[82313,82326] [2022-10-15 17:42:58,410 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[83124,83137] [2022-10-15 17:42:58,417 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[84306,84319] [2022-10-15 17:42:58,429 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[86497,86510] [2022-10-15 17:42:58,446 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[90208,90221] [2022-10-15 17:42:58,474 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[96406,96419] [2022-10-15 17:42:58,522 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[106997,107010] [2022-10-15 17:42:59,404 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 17:42:59,452 INFO L208 MainTranslator]: Completed translation [2022-10-15 17:42:59,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:42:59 WrapperNode [2022-10-15 17:42:59,453 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 17:42:59,454 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 17:42:59,454 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 17:42:59,455 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 17:42:59,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:42:59" (1/1) ... [2022-10-15 17:42:59,561 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:42:59" (1/1) ... [2022-10-15 17:42:59,982 INFO L138 Inliner]: procedures = 26, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 12601 [2022-10-15 17:42:59,982 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 17:42:59,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 17:42:59,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 17:42:59,984 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 17:42:59,995 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:42:59" (1/1) ... [2022-10-15 17:42:59,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:42:59" (1/1) ... [2022-10-15 17:43:00,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:42:59" (1/1) ... [2022-10-15 17:43:00,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:42:59" (1/1) ... [2022-10-15 17:43:00,312 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:42:59" (1/1) ... [2022-10-15 17:43:00,371 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:42:59" (1/1) ... [2022-10-15 17:43:00,406 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:42:59" (1/1) ... [2022-10-15 17:43:00,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:42:59" (1/1) ... [2022-10-15 17:43:00,484 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 17:43:00,485 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 17:43:00,485 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 17:43:00,485 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 17:43:00,486 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:42:59" (1/1) ... [2022-10-15 17:43:00,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 17:43:00,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 17:43:00,522 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 17:43:00,538 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 17:43:00,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 17:43:00,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 17:43:00,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 17:43:00,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 17:43:01,188 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 17:43:01,191 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 17:43:07,962 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 17:43:07,997 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 17:43:07,998 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 17:43:08,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 05:43:08 BoogieIcfgContainer [2022-10-15 17:43:08,005 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 17:43:08,009 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 17:43:08,009 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 17:43:08,014 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 17:43:08,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 05:42:55" (1/3) ... [2022-10-15 17:43:08,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@412fa8a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 05:43:08, skipping insertion in model container [2022-10-15 17:43:08,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:42:59" (2/3) ... [2022-10-15 17:43:08,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@412fa8a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 05:43:08, skipping insertion in model container [2022-10-15 17:43:08,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 05:43:08" (3/3) ... [2022-10-15 17:43:08,019 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c [2022-10-15 17:43:08,047 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 17:43:08,047 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2022-10-15 17:43:08,169 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 17:43:08,179 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;@399675b9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 17:43:08,180 INFO L358 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2022-10-15 17:43:08,199 INFO L276 IsEmpty]: Start isEmpty. Operand has 2083 states, 2052 states have (on average 1.8611111111111112) internal successors, (3819), 2082 states have internal predecessors, (3819), 0 states have call successors, (0), 0 states 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 17:43:08,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-15 17:43:08,209 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:43:08,209 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-15 17:43:08,210 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-15 17:43:08,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:43:08,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1223365, now seen corresponding path program 1 times [2022-10-15 17:43:08,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:43:08,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725606039] [2022-10-15 17:43:08,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:43:08,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:43:08,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:43:08,875 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 17:43:08,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:43:08,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725606039] [2022-10-15 17:43:08,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725606039] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:43:08,880 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:43:08,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 17:43:08,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949299539] [2022-10-15 17:43:08,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:43:08,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:43:08,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:43:08,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:43:08,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:43:08,946 INFO L87 Difference]: Start difference. First operand has 2083 states, 2052 states have (on average 1.8611111111111112) internal successors, (3819), 2082 states have internal predecessors, (3819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:09,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:43:09,292 INFO L93 Difference]: Finished difference Result 2082 states and 3789 transitions. [2022-10-15 17:43:09,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:43:09,295 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-10-15 17:43:09,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:43:09,353 INFO L225 Difference]: With dead ends: 2082 [2022-10-15 17:43:09,354 INFO L226 Difference]: Without dead ends: 2079 [2022-10-15 17:43:09,357 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 17:43:09,366 INFO L413 NwaCegarLoop]: 3788 mSDtfsCounter, 3786 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3786 SdHoareTripleChecker+Valid, 3788 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:43:09,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3786 Valid, 3788 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:43:09,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2079 states. [2022-10-15 17:43:09,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2079 to 2079. [2022-10-15 17:43:09,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2079 states, 2050 states have (on average 1.2770731707317073) internal successors, (2618), 2078 states have internal predecessors, (2618), 0 states have call successors, (0), 0 states 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 17:43:09,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2079 states to 2079 states and 2618 transitions. [2022-10-15 17:43:09,570 INFO L78 Accepts]: Start accepts. Automaton has 2079 states and 2618 transitions. Word has length 4 [2022-10-15 17:43:09,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:43:09,571 INFO L495 AbstractCegarLoop]: Abstraction has 2079 states and 2618 transitions. [2022-10-15 17:43:09,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:09,572 INFO L276 IsEmpty]: Start isEmpty. Operand 2079 states and 2618 transitions. [2022-10-15 17:43:09,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-15 17:43:09,590 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:43:09,590 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] [2022-10-15 17:43:09,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 17:43:09,591 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-15 17:43:09,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:43:09,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1477171740, now seen corresponding path program 1 times [2022-10-15 17:43:09,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:43:09,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769405389] [2022-10-15 17:43:09,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:43:09,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:43:09,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:43:10,403 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 17:43:10,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:43:10,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769405389] [2022-10-15 17:43:10,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769405389] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:43:10,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:43:10,405 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:43:10,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067564418] [2022-10-15 17:43:10,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:43:10,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:43:10,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:43:10,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:43:10,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:43:10,410 INFO L87 Difference]: Start difference. First operand 2079 states and 2618 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states 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 17:43:11,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:43:11,734 INFO L93 Difference]: Finished difference Result 1570 states and 2044 transitions. [2022-10-15 17:43:11,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 17:43:11,735 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-10-15 17:43:11,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:43:11,746 INFO L225 Difference]: With dead ends: 1570 [2022-10-15 17:43:11,747 INFO L226 Difference]: Without dead ends: 1570 [2022-10-15 17:43:11,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:43:11,749 INFO L413 NwaCegarLoop]: 1203 mSDtfsCounter, 6063 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 843 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6063 SdHoareTripleChecker+Valid, 1207 SdHoareTripleChecker+Invalid, 852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 843 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:43:11,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6063 Valid, 1207 Invalid, 852 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 843 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-15 17:43:11,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1570 states. [2022-10-15 17:43:11,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1570 to 1570. [2022-10-15 17:43:11,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1570 states, 1541 states have (on average 1.3264114211550941) internal successors, (2044), 1569 states have internal predecessors, (2044), 0 states have call successors, (0), 0 states 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 17:43:11,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 2044 transitions. [2022-10-15 17:43:11,800 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 2044 transitions. Word has length 101 [2022-10-15 17:43:11,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:43:11,801 INFO L495 AbstractCegarLoop]: Abstraction has 1570 states and 2044 transitions. [2022-10-15 17:43:11,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states 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 17:43:11,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2044 transitions. [2022-10-15 17:43:11,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-15 17:43:11,809 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:43:11,810 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] [2022-10-15 17:43:11,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 17:43:11,810 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-15 17:43:11,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:43:11,811 INFO L85 PathProgramCache]: Analyzing trace with hash 951904542, now seen corresponding path program 1 times [2022-10-15 17:43:11,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:43:11,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94814287] [2022-10-15 17:43:11,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:43:11,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:43:11,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:43:12,216 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 17:43:12,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:43:12,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94814287] [2022-10-15 17:43:12,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94814287] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:43:12,218 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:43:12,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:43:12,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078715672] [2022-10-15 17:43:12,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:43:12,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:43:12,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:43:12,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:43:12,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:43:12,221 INFO L87 Difference]: Start difference. First operand 1570 states and 2044 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states 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 17:43:13,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:43:13,385 INFO L93 Difference]: Finished difference Result 1338 states and 1779 transitions. [2022-10-15 17:43:13,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 17:43:13,386 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2022-10-15 17:43:13,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:43:13,397 INFO L225 Difference]: With dead ends: 1338 [2022-10-15 17:43:13,398 INFO L226 Difference]: Without dead ends: 1338 [2022-10-15 17:43:13,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:43:13,400 INFO L413 NwaCegarLoop]: 974 mSDtfsCounter, 5182 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 807 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5182 SdHoareTripleChecker+Valid, 1010 SdHoareTripleChecker+Invalid, 868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:43:13,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5182 Valid, 1010 Invalid, 868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 807 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-15 17:43:13,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1338 states. [2022-10-15 17:43:13,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1338 to 1338. [2022-10-15 17:43:13,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1338 states, 1309 states have (on average 1.3590527119938884) internal successors, (1779), 1337 states have internal predecessors, (1779), 0 states have call successors, (0), 0 states 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 17:43:13,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1338 states to 1338 states and 1779 transitions. [2022-10-15 17:43:13,439 INFO L78 Accepts]: Start accepts. Automaton has 1338 states and 1779 transitions. Word has length 102 [2022-10-15 17:43:13,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:43:13,440 INFO L495 AbstractCegarLoop]: Abstraction has 1338 states and 1779 transitions. [2022-10-15 17:43:13,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states 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 17:43:13,441 INFO L276 IsEmpty]: Start isEmpty. Operand 1338 states and 1779 transitions. [2022-10-15 17:43:13,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-10-15 17:43:13,445 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:43:13,446 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] [2022-10-15 17:43:13,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 17:43:13,446 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-15 17:43:13,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:43:13,447 INFO L85 PathProgramCache]: Analyzing trace with hash -873201018, now seen corresponding path program 1 times [2022-10-15 17:43:13,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:43:13,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009166113] [2022-10-15 17:43:13,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:43:13,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:43:13,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:43:13,831 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 17:43:13,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:43:13,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009166113] [2022-10-15 17:43:13,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009166113] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:43:13,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:43:13,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:43:13,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316941032] [2022-10-15 17:43:13,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:43:13,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:43:13,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:43:13,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:43:13,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:43:13,835 INFO L87 Difference]: Start difference. First operand 1338 states and 1779 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:15,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:43:15,138 INFO L93 Difference]: Finished difference Result 1258 states and 1682 transitions. [2022-10-15 17:43:15,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 17:43:15,140 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2022-10-15 17:43:15,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:43:15,151 INFO L225 Difference]: With dead ends: 1258 [2022-10-15 17:43:15,151 INFO L226 Difference]: Without dead ends: 1258 [2022-10-15 17:43:15,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:43:15,157 INFO L413 NwaCegarLoop]: 722 mSDtfsCounter, 4729 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 962 mSolverCounterSat, 210 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4729 SdHoareTripleChecker+Valid, 774 SdHoareTripleChecker+Invalid, 1172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 210 IncrementalHoareTripleChecker+Valid, 962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-15 17:43:15,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4729 Valid, 774 Invalid, 1172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [210 Valid, 962 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-15 17:43:15,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1258 states. [2022-10-15 17:43:15,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1258 to 1258. [2022-10-15 17:43:15,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1258 states, 1229 states have (on average 1.368592351505289) internal successors, (1682), 1257 states have internal predecessors, (1682), 0 states have call successors, (0), 0 states 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 17:43:15,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1258 states to 1258 states and 1682 transitions. [2022-10-15 17:43:15,207 INFO L78 Accepts]: Start accepts. Automaton has 1258 states and 1682 transitions. Word has length 103 [2022-10-15 17:43:15,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:43:15,211 INFO L495 AbstractCegarLoop]: Abstraction has 1258 states and 1682 transitions. [2022-10-15 17:43:15,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:43:15,222 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 1682 transitions. [2022-10-15 17:43:15,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-15 17:43:15,232 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:43:15,235 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] [2022-10-15 17:43:15,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 17:43:15,236 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-15 17:43:15,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:43:15,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1608818971, now seen corresponding path program 1 times [2022-10-15 17:43:15,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:43:15,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810947060] [2022-10-15 17:43:15,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:43:15,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:43:15,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:43:15,681 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 17:43:15,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:43:15,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810947060] [2022-10-15 17:43:15,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810947060] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:43:15,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:43:15,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:43:15,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906555841] [2022-10-15 17:43:15,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:43:15,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:43:15,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:43:15,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:43:15,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:43:15,690 INFO L87 Difference]: Start difference. First operand 1258 states and 1682 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states 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 17:43:16,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:43:16,636 INFO L93 Difference]: Finished difference Result 1170 states and 1585 transitions. [2022-10-15 17:43:16,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 17:43:16,637 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 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 104 [2022-10-15 17:43:16,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:43:16,645 INFO L225 Difference]: With dead ends: 1170 [2022-10-15 17:43:16,646 INFO L226 Difference]: Without dead ends: 1170 [2022-10-15 17:43:16,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:43:16,647 INFO L413 NwaCegarLoop]: 862 mSDtfsCounter, 4634 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 725 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4634 SdHoareTripleChecker+Valid, 890 SdHoareTripleChecker+Invalid, 758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 725 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-15 17:43:16,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4634 Valid, 890 Invalid, 758 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 725 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-15 17:43:16,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1170 states. [2022-10-15 17:43:16,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1170 to 1170. [2022-10-15 17:43:16,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1170 states, 1141 states have (on average 1.3891323400525855) internal successors, (1585), 1169 states have internal predecessors, (1585), 0 states have call successors, (0), 0 states 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 17:43:16,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 1170 states and 1585 transitions. [2022-10-15 17:43:16,686 INFO L78 Accepts]: Start accepts. Automaton has 1170 states and 1585 transitions. Word has length 104 [2022-10-15 17:43:16,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:43:16,687 INFO L495 AbstractCegarLoop]: Abstraction has 1170 states and 1585 transitions. [2022-10-15 17:43:16,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states 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 17:43:16,687 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 1585 transitions. [2022-10-15 17:43:16,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-15 17:43:16,692 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:43:16,692 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] [2022-10-15 17:43:16,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 17:43:16,693 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-15 17:43:16,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:43:16,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1915103433, now seen corresponding path program 1 times [2022-10-15 17:43:16,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:43:16,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319672630] [2022-10-15 17:43:16,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:43:16,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:43:16,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:43:16,998 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 17:43:16,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:43:16,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319672630] [2022-10-15 17:43:16,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319672630] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:43:16,999 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:43:16,999 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:43:16,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335013600] [2022-10-15 17:43:17,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:43:17,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:43:17,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:43:17,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:43:17,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:43:17,001 INFO L87 Difference]: Start difference. First operand 1170 states and 1585 transitions. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states 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 17:43:17,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:43:17,817 INFO L93 Difference]: Finished difference Result 1117 states and 1527 transitions. [2022-10-15 17:43:17,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 17:43:17,818 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 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 105 [2022-10-15 17:43:17,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:43:17,825 INFO L225 Difference]: With dead ends: 1117 [2022-10-15 17:43:17,826 INFO L226 Difference]: Without dead ends: 1117 [2022-10-15 17:43:17,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:43:17,827 INFO L413 NwaCegarLoop]: 849 mSDtfsCounter, 4498 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 680 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4498 SdHoareTripleChecker+Valid, 861 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 17:43:17,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4498 Valid, 861 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 680 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 17:43:17,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2022-10-15 17:43:17,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 1117. [2022-10-15 17:43:17,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1117 states, 1088 states have (on average 1.4034926470588236) internal successors, (1527), 1116 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states 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 17:43:17,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 1117 states and 1527 transitions. [2022-10-15 17:43:17,856 INFO L78 Accepts]: Start accepts. Automaton has 1117 states and 1527 transitions. Word has length 105 [2022-10-15 17:43:17,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:43:17,857 INFO L495 AbstractCegarLoop]: Abstraction has 1117 states and 1527 transitions. [2022-10-15 17:43:17,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states 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 17:43:17,858 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 1527 transitions. [2022-10-15 17:43:17,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-10-15 17:43:17,861 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:43:17,861 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] [2022-10-15 17:43:17,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 17:43:17,862 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-15 17:43:17,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:43:17,863 INFO L85 PathProgramCache]: Analyzing trace with hash -578368317, now seen corresponding path program 1 times [2022-10-15 17:43:17,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:43:17,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347637617] [2022-10-15 17:43:17,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:43:17,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:43:17,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:43:18,195 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 17:43:18,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:43:18,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347637617] [2022-10-15 17:43:18,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347637617] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:43:18,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:43:18,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:43:18,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747860080] [2022-10-15 17:43:18,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:43:18,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:43:18,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:43:18,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:43:18,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:43:18,199 INFO L87 Difference]: Start difference. First operand 1117 states and 1527 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 0 states have call successors, (0), 0 states 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 17:43:18,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:43:18,988 INFO L93 Difference]: Finished difference Result 1092 states and 1499 transitions. [2022-10-15 17:43:18,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 17:43:18,989 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 0 states have call successors, (0), 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 106 [2022-10-15 17:43:18,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:43:18,995 INFO L225 Difference]: With dead ends: 1092 [2022-10-15 17:43:18,996 INFO L226 Difference]: Without dead ends: 1092 [2022-10-15 17:43:18,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:43:18,997 INFO L413 NwaCegarLoop]: 828 mSDtfsCounter, 4397 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 673 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4397 SdHoareTripleChecker+Valid, 848 SdHoareTripleChecker+Invalid, 691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 17:43:18,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4397 Valid, 848 Invalid, 691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 673 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 17:43:19,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2022-10-15 17:43:19,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 1092. [2022-10-15 17:43:19,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1092 states, 1063 states have (on average 1.4101599247412981) internal successors, (1499), 1091 states have internal predecessors, (1499), 0 states have call successors, (0), 0 states 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 17:43:19,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 1092 states and 1499 transitions. [2022-10-15 17:43:19,030 INFO L78 Accepts]: Start accepts. Automaton has 1092 states and 1499 transitions. Word has length 106 [2022-10-15 17:43:19,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:43:19,030 INFO L495 AbstractCegarLoop]: Abstraction has 1092 states and 1499 transitions. [2022-10-15 17:43:19,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 0 states have call successors, (0), 0 states 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 17:43:19,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 1499 transitions. [2022-10-15 17:43:19,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-15 17:43:19,034 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:43:19,035 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] [2022-10-15 17:43:19,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 17:43:19,035 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-15 17:43:19,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:43:19,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1323333204, now seen corresponding path program 1 times [2022-10-15 17:43:19,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:43:19,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100526681] [2022-10-15 17:43:19,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:43:19,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:43:19,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:43:19,285 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 17:43:19,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:43:19,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100526681] [2022-10-15 17:43:19,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100526681] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:43:19,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:43:19,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:43:19,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569626901] [2022-10-15 17:43:19,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:43:19,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:43:19,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:43:19,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:43:19,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:43:19,288 INFO L87 Difference]: Start difference. First operand 1092 states and 1499 transitions. Second operand has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 0 states 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 17:43:20,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:43:20,270 INFO L93 Difference]: Finished difference Result 1084 states and 1489 transitions. [2022-10-15 17:43:20,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 17:43:20,271 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 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 107 [2022-10-15 17:43:20,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:43:20,279 INFO L225 Difference]: With dead ends: 1084 [2022-10-15 17:43:20,279 INFO L226 Difference]: Without dead ends: 1084 [2022-10-15 17:43:20,279 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:43:20,280 INFO L413 NwaCegarLoop]: 737 mSDtfsCounter, 4250 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 754 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4250 SdHoareTripleChecker+Valid, 781 SdHoareTripleChecker+Invalid, 856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-15 17:43:20,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4250 Valid, 781 Invalid, 856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 754 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-15 17:43:20,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2022-10-15 17:43:20,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 1084. [2022-10-15 17:43:20,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1084 states, 1055 states have (on average 1.4113744075829384) internal successors, (1489), 1083 states have internal predecessors, (1489), 0 states have call successors, (0), 0 states 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 17:43:20,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1489 transitions. [2022-10-15 17:43:20,317 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1489 transitions. Word has length 107 [2022-10-15 17:43:20,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:43:20,318 INFO L495 AbstractCegarLoop]: Abstraction has 1084 states and 1489 transitions. [2022-10-15 17:43:20,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 0 states 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 17:43:20,318 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1489 transitions. [2022-10-15 17:43:20,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-15 17:43:20,322 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:43:20,322 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] [2022-10-15 17:43:20,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 17:43:20,323 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-15 17:43:20,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:43:20,324 INFO L85 PathProgramCache]: Analyzing trace with hash 65664385, now seen corresponding path program 1 times [2022-10-15 17:43:20,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:43:20,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843629304] [2022-10-15 17:43:20,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:43:20,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:43:20,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:43:21,392 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 17:43:21,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:43:21,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843629304] [2022-10-15 17:43:21,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843629304] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:43:21,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:43:21,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-10-15 17:43:21,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161051562] [2022-10-15 17:43:21,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:43:21,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-15 17:43:21,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:43:21,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-15 17:43:21,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-10-15 17:43:21,398 INFO L87 Difference]: Start difference. First operand 1084 states and 1489 transitions. Second operand has 11 states, 11 states have (on average 9.818181818181818) internal successors, (108), 10 states have internal predecessors, (108), 0 states have call successors, (0), 0 states 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 17:43:24,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:43:24,883 INFO L93 Difference]: Finished difference Result 1830 states and 2522 transitions. [2022-10-15 17:43:24,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-15 17:43:24,884 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.818181818181818) internal successors, (108), 10 states have internal predecessors, (108), 0 states have call successors, (0), 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 108 [2022-10-15 17:43:24,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:43:24,898 INFO L225 Difference]: With dead ends: 1830 [2022-10-15 17:43:24,898 INFO L226 Difference]: Without dead ends: 1830 [2022-10-15 17:43:24,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2022-10-15 17:43:24,903 INFO L413 NwaCegarLoop]: 878 mSDtfsCounter, 5295 mSDsluCounter, 4501 mSDsCounter, 0 mSdLazyCounter, 4439 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5295 SdHoareTripleChecker+Valid, 5379 SdHoareTripleChecker+Invalid, 4487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 4439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:43:24,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5295 Valid, 5379 Invalid, 4487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 4439 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-10-15 17:43:24,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1830 states. [2022-10-15 17:43:24,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1830 to 1084. [2022-10-15 17:43:24,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1084 states, 1055 states have (on average 1.41042654028436) internal successors, (1488), 1083 states have internal predecessors, (1488), 0 states have call successors, (0), 0 states 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 17:43:24,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1488 transitions. [2022-10-15 17:43:24,965 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1488 transitions. Word has length 108 [2022-10-15 17:43:24,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:43:24,966 INFO L495 AbstractCegarLoop]: Abstraction has 1084 states and 1488 transitions. [2022-10-15 17:43:24,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.818181818181818) internal successors, (108), 10 states have internal predecessors, (108), 0 states have call successors, (0), 0 states 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 17:43:24,966 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1488 transitions. [2022-10-15 17:43:24,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-15 17:43:24,971 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:43:24,971 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] [2022-10-15 17:43:24,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 17:43:24,972 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-15 17:43:24,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:43:24,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1945173323, now seen corresponding path program 1 times [2022-10-15 17:43:24,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:43:24,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180747696] [2022-10-15 17:43:24,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:43:24,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:43:25,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:43:25,680 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 17:43:25,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:43:25,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180747696] [2022-10-15 17:43:25,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180747696] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:43:25,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:43:25,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 17:43:25,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409718929] [2022-10-15 17:43:25,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:43:25,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-15 17:43:25,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:43:25,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-15 17:43:25,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-15 17:43:25,684 INFO L87 Difference]: Start difference. First operand 1084 states and 1488 transitions. Second operand has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states 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 17:43:27,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:43:27,579 INFO L93 Difference]: Finished difference Result 1411 states and 1843 transitions. [2022-10-15 17:43:27,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 17:43:27,580 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 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 108 [2022-10-15 17:43:27,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:43:27,590 INFO L225 Difference]: With dead ends: 1411 [2022-10-15 17:43:27,590 INFO L226 Difference]: Without dead ends: 1411 [2022-10-15 17:43:27,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2022-10-15 17:43:27,591 INFO L413 NwaCegarLoop]: 675 mSDtfsCounter, 4741 mSDsluCounter, 991 mSDsCounter, 0 mSdLazyCounter, 1933 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4741 SdHoareTripleChecker+Valid, 1666 SdHoareTripleChecker+Invalid, 2067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 1933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-15 17:43:27,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4741 Valid, 1666 Invalid, 2067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 1933 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-15 17:43:27,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1411 states. [2022-10-15 17:43:27,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1411 to 1084. [2022-10-15 17:43:27,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1084 states, 1055 states have (on average 1.409478672985782) internal successors, (1487), 1083 states have internal predecessors, (1487), 0 states have call successors, (0), 0 states 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 17:43:27,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1487 transitions. [2022-10-15 17:43:27,629 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1487 transitions. Word has length 108 [2022-10-15 17:43:27,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:43:27,629 INFO L495 AbstractCegarLoop]: Abstraction has 1084 states and 1487 transitions. [2022-10-15 17:43:27,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states 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 17:43:27,630 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1487 transitions. [2022-10-15 17:43:27,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-15 17:43:27,633 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:43:27,633 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] [2022-10-15 17:43:27,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 17:43:27,634 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-15 17:43:27,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:43:27,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1618229889, now seen corresponding path program 1 times [2022-10-15 17:43:27,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:43:27,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292583152] [2022-10-15 17:43:27,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:43:27,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:43:27,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:43:28,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:43:28,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:43:28,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292583152] [2022-10-15 17:43:28,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292583152] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:43:28,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:43:28,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-15 17:43:28,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338585899] [2022-10-15 17:43:28,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:43:28,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-15 17:43:28,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:43:28,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-15 17:43:28,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-15 17:43:28,293 INFO L87 Difference]: Start difference. First operand 1084 states and 1487 transitions. Second operand has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 0 states have call successors, (0), 0 states 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 17:43:30,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:43:30,892 INFO L93 Difference]: Finished difference Result 1834 states and 2523 transitions. [2022-10-15 17:43:30,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-15 17:43:30,894 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 0 states have call successors, (0), 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 108 [2022-10-15 17:43:30,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:43:30,907 INFO L225 Difference]: With dead ends: 1834 [2022-10-15 17:43:30,907 INFO L226 Difference]: Without dead ends: 1834 [2022-10-15 17:43:30,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-15 17:43:30,910 INFO L413 NwaCegarLoop]: 894 mSDtfsCounter, 6599 mSDsluCounter, 2928 mSDsCounter, 0 mSdLazyCounter, 3108 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6599 SdHoareTripleChecker+Valid, 3822 SdHoareTripleChecker+Invalid, 3167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 3108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-15 17:43:30,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6599 Valid, 3822 Invalid, 3167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 3108 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-15 17:43:30,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1834 states. [2022-10-15 17:43:30,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1834 to 1084. [2022-10-15 17:43:30,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1084 states, 1055 states have (on average 1.408530805687204) internal successors, (1486), 1083 states have internal predecessors, (1486), 0 states have call successors, (0), 0 states 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 17:43:30,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1486 transitions. [2022-10-15 17:43:30,955 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1486 transitions. Word has length 108 [2022-10-15 17:43:30,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:43:30,956 INFO L495 AbstractCegarLoop]: Abstraction has 1084 states and 1486 transitions. [2022-10-15 17:43:30,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 0 states have call successors, (0), 0 states 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 17:43:30,956 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1486 transitions. [2022-10-15 17:43:30,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-15 17:43:30,960 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:43:30,960 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] [2022-10-15 17:43:30,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 17:43:30,961 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-15 17:43:30,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:43:30,962 INFO L85 PathProgramCache]: Analyzing trace with hash 180174419, now seen corresponding path program 1 times [2022-10-15 17:43:30,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:43:30,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348013335] [2022-10-15 17:43:30,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:43:30,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:43:31,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:43:31,672 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 17:43:31,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:43:31,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348013335] [2022-10-15 17:43:31,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348013335] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:43:31,673 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:43:31,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-15 17:43:31,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099854058] [2022-10-15 17:43:31,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:43:31,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-15 17:43:31,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:43:31,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-15 17:43:31,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-10-15 17:43:31,675 INFO L87 Difference]: Start difference. First operand 1084 states and 1486 transitions. Second operand has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 0 states have call successors, (0), 0 states 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 17:43:34,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:43:34,608 INFO L93 Difference]: Finished difference Result 1846 states and 2544 transitions. [2022-10-15 17:43:34,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-15 17:43:34,609 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 0 states have call successors, (0), 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 108 [2022-10-15 17:43:34,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:43:34,618 INFO L225 Difference]: With dead ends: 1846 [2022-10-15 17:43:34,618 INFO L226 Difference]: Without dead ends: 1846 [2022-10-15 17:43:34,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-10-15 17:43:34,619 INFO L413 NwaCegarLoop]: 1206 mSDtfsCounter, 7304 mSDsluCounter, 3798 mSDsCounter, 0 mSdLazyCounter, 3976 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7304 SdHoareTripleChecker+Valid, 5004 SdHoareTripleChecker+Invalid, 4002 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 3976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-10-15 17:43:34,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7304 Valid, 5004 Invalid, 4002 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 3976 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-10-15 17:43:34,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1846 states. [2022-10-15 17:43:34,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1846 to 1084. [2022-10-15 17:43:34,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1084 states, 1055 states have (on average 1.4075829383886256) internal successors, (1485), 1083 states have internal predecessors, (1485), 0 states have call successors, (0), 0 states 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 17:43:34,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1485 transitions. [2022-10-15 17:43:34,649 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1485 transitions. Word has length 108 [2022-10-15 17:43:34,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:43:34,649 INFO L495 AbstractCegarLoop]: Abstraction has 1084 states and 1485 transitions. [2022-10-15 17:43:34,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 0 states have call successors, (0), 0 states 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 17:43:34,650 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1485 transitions. [2022-10-15 17:43:34,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-15 17:43:34,653 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:43:34,653 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:43:34,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 17:43:34,654 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-15 17:43:34,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:43:34,655 INFO L85 PathProgramCache]: Analyzing trace with hash -860352434, now seen corresponding path program 1 times [2022-10-15 17:43:34,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:43:34,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779883419] [2022-10-15 17:43:34,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:43:34,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:43:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:43:35,216 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 17:43:35,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:43:35,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779883419] [2022-10-15 17:43:35,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779883419] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:43:35,217 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:43:35,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-15 17:43:35,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451711296] [2022-10-15 17:43:35,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:43:35,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-15 17:43:35,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:43:35,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-15 17:43:35,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-15 17:43:35,220 INFO L87 Difference]: Start difference. First operand 1084 states and 1485 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states 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 17:43:37,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:43:37,809 INFO L93 Difference]: Finished difference Result 1818 states and 2494 transitions. [2022-10-15 17:43:37,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-15 17:43:37,811 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2022-10-15 17:43:37,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:43:37,822 INFO L225 Difference]: With dead ends: 1818 [2022-10-15 17:43:37,822 INFO L226 Difference]: Without dead ends: 1818 [2022-10-15 17:43:37,823 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-10-15 17:43:37,824 INFO L413 NwaCegarLoop]: 967 mSDtfsCounter, 4836 mSDsluCounter, 3171 mSDsCounter, 0 mSdLazyCounter, 3404 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4836 SdHoareTripleChecker+Valid, 4138 SdHoareTripleChecker+Invalid, 3487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 3404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-15 17:43:37,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4836 Valid, 4138 Invalid, 3487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 3404 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-15 17:43:37,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1818 states. [2022-10-15 17:43:37,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1818 to 1084. [2022-10-15 17:43:37,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1084 states, 1055 states have (on average 1.4066350710900475) internal successors, (1484), 1083 states have internal predecessors, (1484), 0 states have call successors, (0), 0 states 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 17:43:37,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1484 transitions. [2022-10-15 17:43:37,864 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1484 transitions. Word has length 110 [2022-10-15 17:43:37,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:43:37,865 INFO L495 AbstractCegarLoop]: Abstraction has 1084 states and 1484 transitions. [2022-10-15 17:43:37,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states 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 17:43:37,865 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1484 transitions. [2022-10-15 17:43:37,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-15 17:43:37,870 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:43:37,870 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] [2022-10-15 17:43:37,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 17:43:37,871 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 27 more)] === [2022-10-15 17:43:37,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:43:37,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1432283502, now seen corresponding path program 1 times [2022-10-15 17:43:37,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:43:37,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222982624] [2022-10-15 17:43:37,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:43:37,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:43:37,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:43:38,582 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 17:43:38,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:43:38,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222982624] [2022-10-15 17:43:38,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222982624] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:43:38,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:43:38,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-15 17:43:38,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423956303] [2022-10-15 17:43:38,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:43:38,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-15 17:43:38,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:43:38,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-15 17:43:38,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-15 17:43:38,587 INFO L87 Difference]: Start difference. First operand 1084 states and 1484 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)