/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-Overflow-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 22:20:06,278 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:20:06,281 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:20:06,317 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-15 22:20:06,395 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:20:06,396 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:20:06,398 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:20:06,399 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 22:20:06,438 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:20:06,438 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:20:06,439 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:20:06,439 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:20:06,444 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:20:06,445 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:20:06,446 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:20:06,446 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:20:06,447 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:20:06,448 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:20:06,448 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:20:06,450 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:20:06,450 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:20:06,450 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:20:06,450 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:20:06,451 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:20:06,451 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:20:06,451 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:20:06,452 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:20:06,452 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:20:06,452 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:20:06,452 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:20:06,453 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:20:06,453 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:20:06,453 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:20:06,454 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:20:06,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:20:06,454 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:20:06,454 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:20:06,455 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:20:06,456 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:20:06,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:20:06,456 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:20:06,457 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:20:06,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:20:06,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:20:06,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:20:06,932 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:20:06,933 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:20:06,935 INFO L432 ainManager$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 22:20:07,027 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bf2968d7/f5f05037a95045d6b6b5b3b49f5334fb/FLAG1cec6071e [2022-10-15 22:20:08,096 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:20:08,098 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 22:20:08,149 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bf2968d7/f5f05037a95045d6b6b5b3b49f5334fb/FLAG1cec6071e [2022-10-15 22:20:08,507 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bf2968d7/f5f05037a95045d6b6b5b3b49f5334fb [2022-10-15 22:20:08,510 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:20:08,516 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:20:08,520 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:20:08,520 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:20:08,524 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:20:08,525 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:20:08" (1/1) ... [2022-10-15 22:20:08,526 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26226770 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:20:08, skipping insertion in model container [2022-10-15 22:20:08,526 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:20:08" (1/1) ... [2022-10-15 22:20:08,537 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:20:08,841 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:20:09,458 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 22:20:09,497 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 22:20:09,511 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 22:20:09,521 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 22:20:09,536 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[26792,26805] [2022-10-15 22:20:09,553 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 22:20:09,568 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 22:20:09,600 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 22:20:09,613 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 22:20:09,635 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 22:20:09,670 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 22:20:09,696 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 22:20:09,703 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 22:20:09,712 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 22:20:09,726 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 22:20:09,748 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 22:20:09,792 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 22:20:09,799 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[55416,55429] [2022-10-15 22:20:09,812 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 22:20:09,826 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 22:20:09,855 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 22:20:09,894 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 22:20:09,964 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 22:20:09,971 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 22:20:09,979 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 22:20:09,994 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 22:20:10,016 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 22:20:10,053 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 22:20:10,112 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 22:20:11,115 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:20:11,144 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:20:11,272 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 22:20:11,292 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 22:20:11,306 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 22:20:11,311 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[25064,25077] [2022-10-15 22:20:11,321 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 22:20:11,327 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 22:20:11,334 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[28779,28792] [2022-10-15 22:20:11,347 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 22:20:11,354 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 22:20:11,360 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 22:20:11,374 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 22:20:11,394 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 22:20:11,400 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 22:20:11,407 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 22:20:11,419 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 22:20:11,437 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 22:20:11,466 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 22:20:11,471 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 22:20:11,479 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 22:20:11,490 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 22:20:11,509 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 22:20:11,540 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 22:20:11,594 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[82313,82326] [2022-10-15 22:20:11,600 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 22:20:11,606 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 22:20:11,618 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 22:20:11,635 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 22:20:11,662 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 22:20:11,702 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 22:20:12,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:20:12,560 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:20:12,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:20:12 WrapperNode [2022-10-15 22:20:12,561 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:20:12,563 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:20:12,563 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:20:12,563 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:20:12,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:20:12" (1/1) ... [2022-10-15 22:20:12,663 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:20:12" (1/1) ... [2022-10-15 22:20:13,192 INFO L138 Inliner]: procedures = 26, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16837 [2022-10-15 22:20:13,193 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:20:13,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:20:13,194 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:20:13,194 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:20:13,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:20:12" (1/1) ... [2022-10-15 22:20:13,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:20:12" (1/1) ... [2022-10-15 22:20:13,275 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:20:12" (1/1) ... [2022-10-15 22:20:13,276 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:20:12" (1/1) ... [2022-10-15 22:20:13,432 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:20:12" (1/1) ... [2022-10-15 22:20:13,472 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:20:12" (1/1) ... [2022-10-15 22:20:13,519 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:20:12" (1/1) ... [2022-10-15 22:20:13,541 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:20:12" (1/1) ... [2022-10-15 22:20:13,617 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:20:13,618 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:20:13,619 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:20:13,619 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:20:13,620 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:20:12" (1/1) ... [2022-10-15 22:20:13,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:20:13,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:20:13,656 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 22:20:13,729 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 22:20:13,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:20:13,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:20:13,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:20:13,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:20:14,279 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:20:14,282 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:20:26,306 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:20:26,372 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:20:26,372 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:20:26,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:20:26 BoogieIcfgContainer [2022-10-15 22:20:26,385 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:20:26,388 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:20:26,388 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:20:26,392 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:20:26,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:20:08" (1/3) ... [2022-10-15 22:20:26,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ece38f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:20:26, skipping insertion in model container [2022-10-15 22:20:26,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:20:12" (2/3) ... [2022-10-15 22:20:26,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ece38f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:20:26, skipping insertion in model container [2022-10-15 22:20:26,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:20:26" (3/3) ... [2022-10-15 22:20:26,396 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c [2022-10-15 22:20:26,419 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:20:26,421 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4236 error locations. [2022-10-15 22:20:26,624 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:20:26,633 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=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@7ea765d2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:20:26,634 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4236 error locations. [2022-10-15 22:20:26,665 INFO L276 IsEmpty]: Start isEmpty. Operand has 10496 states, 6259 states have (on average 1.9543057996485063) internal successors, (12232), 10495 states have internal predecessors, (12232), 0 states have call successors, (0), 0 states 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 22:20:26,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-15 22:20:26,683 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:20:26,684 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] [2022-10-15 22:20:26,685 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4210ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4233 more)] === [2022-10-15 22:20:26,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:20:26,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1055923599, now seen corresponding path program 1 times [2022-10-15 22:20:26,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:20:26,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44740113] [2022-10-15 22:20:26,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:20:26,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:20:27,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:20:27,550 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 22:20:27,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:20:27,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44740113] [2022-10-15 22:20:27,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44740113] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:20:27,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:20:27,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:20:27,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141181039] [2022-10-15 22:20:27,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:20:27,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:20:27,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:20:27,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:20:27,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:20:27,651 INFO L87 Difference]: Start difference. First operand has 10496 states, 6259 states have (on average 1.9543057996485063) internal successors, (12232), 10495 states have internal predecessors, (12232), 0 states have call successors, (0), 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 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 22:20:37,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:20:37,706 INFO L93 Difference]: Finished difference Result 10830 states and 12664 transitions. [2022-10-15 22:20:37,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:20:37,709 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 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 69 [2022-10-15 22:20:37,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:20:37,793 INFO L225 Difference]: With dead ends: 10830 [2022-10-15 22:20:37,794 INFO L226 Difference]: Without dead ends: 10501 [2022-10-15 22:20:37,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:20:37,813 INFO L413 NwaCegarLoop]: 4419 mSDtfsCounter, 20654 mSDsluCounter, 1981 mSDsCounter, 0 mSdLazyCounter, 9637 mSolverCounterSat, 335 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20654 SdHoareTripleChecker+Valid, 6400 SdHoareTripleChecker+Invalid, 9972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 335 IncrementalHoareTripleChecker+Valid, 9637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:20:37,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20654 Valid, 6400 Invalid, 9972 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [335 Valid, 9637 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2022-10-15 22:20:37,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10501 states. [2022-10-15 22:20:38,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10501 to 10303. [2022-10-15 22:20:38,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10303 states, 6355 states have (on average 1.7192761605035405) internal successors, (10926), 10302 states have internal predecessors, (10926), 0 states have call successors, (0), 0 states 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 22:20:38,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10303 states to 10303 states and 10926 transitions. [2022-10-15 22:20:38,174 INFO L78 Accepts]: Start accepts. Automaton has 10303 states and 10926 transitions. Word has length 69 [2022-10-15 22:20:38,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:20:38,178 INFO L495 AbstractCegarLoop]: Abstraction has 10303 states and 10926 transitions. [2022-10-15 22:20:38,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 22:20:38,180 INFO L276 IsEmpty]: Start isEmpty. Operand 10303 states and 10926 transitions. [2022-10-15 22:20:38,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-15 22:20:38,184 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:20:38,185 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] [2022-10-15 22:20:38,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:20:38,185 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4211ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4233 more)] === [2022-10-15 22:20:38,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:20:38,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1626124376, now seen corresponding path program 1 times [2022-10-15 22:20:38,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:20:38,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836733673] [2022-10-15 22:20:38,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:20:38,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:20:38,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:20:38,512 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 22:20:38,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:20:38,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836733673] [2022-10-15 22:20:38,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836733673] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:20:38,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:20:38,514 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:20:38,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319192265] [2022-10-15 22:20:38,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:20:38,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:20:38,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:20:38,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:20:38,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:20:38,523 INFO L87 Difference]: Start difference. First operand 10303 states and 10926 transitions. Second operand has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 22:20:46,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:20:46,801 INFO L93 Difference]: Finished difference Result 10464 states and 11137 transitions. [2022-10-15 22:20:46,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:20:46,802 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 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 70 [2022-10-15 22:20:46,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:20:46,874 INFO L225 Difference]: With dead ends: 10464 [2022-10-15 22:20:46,874 INFO L226 Difference]: Without dead ends: 10150 [2022-10-15 22:20:46,881 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:20:46,883 INFO L413 NwaCegarLoop]: 2862 mSDtfsCounter, 20112 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 8140 mSolverCounterSat, 340 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20112 SdHoareTripleChecker+Valid, 3292 SdHoareTripleChecker+Invalid, 8480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 340 IncrementalHoareTripleChecker+Valid, 8140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-10-15 22:20:46,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20112 Valid, 3292 Invalid, 8480 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [340 Valid, 8140 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2022-10-15 22:20:46,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10150 states. [2022-10-15 22:20:47,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10150 to 10116. [2022-10-15 22:20:47,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10116 states, 6479 states have (on average 1.6700108041364408) internal successors, (10820), 10115 states have internal predecessors, (10820), 0 states have call successors, (0), 0 states 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 22:20:47,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10116 states to 10116 states and 10820 transitions. [2022-10-15 22:20:47,234 INFO L78 Accepts]: Start accepts. Automaton has 10116 states and 10820 transitions. Word has length 70 [2022-10-15 22:20:47,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:20:47,238 INFO L495 AbstractCegarLoop]: Abstraction has 10116 states and 10820 transitions. [2022-10-15 22:20:47,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 22:20:47,240 INFO L276 IsEmpty]: Start isEmpty. Operand 10116 states and 10820 transitions. [2022-10-15 22:20:47,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-15 22:20:47,245 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:20:47,246 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:20:47,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:20:47,246 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4212ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4233 more)] === [2022-10-15 22:20:47,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:20:47,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1129734317, now seen corresponding path program 1 times [2022-10-15 22:20:47,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:20:47,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310140434] [2022-10-15 22:20:47,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:20:47,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:20:47,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:20:47,754 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 22:20:47,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:20:47,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310140434] [2022-10-15 22:20:47,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310140434] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:20:47,756 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:20:47,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:20:47,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048717022] [2022-10-15 22:20:47,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:20:47,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:20:47,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:20:47,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:20:47,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:20:47,758 INFO L87 Difference]: Start difference. First operand 10116 states and 10820 transitions. Second operand has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)