/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/eca-rers2018/Problem17.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 03:10:00,397 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 03:10:00,401 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 03:10:00,443 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 03:10:00,444 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 03:10:00,445 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 03:10:00,448 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 03:10:00,450 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 03:10:00,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 03:10:00,455 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 03:10:00,456 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 03:10:00,458 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 03:10:00,459 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 03:10:00,460 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 03:10:00,461 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 03:10:00,463 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 03:10:00,464 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 03:10:00,479 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 03:10:00,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 03:10:00,491 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 03:10:00,495 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 03:10:00,497 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 03:10:00,499 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 03:10:00,500 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 03:10:00,508 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 03:10:00,533 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 03:10:00,534 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 03:10:00,537 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 03:10:00,538 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 03:10:00,606 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 03:10:00,607 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 03:10:00,612 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 03:10:00,612 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 03:10:00,613 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 03:10:00,613 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 03:10:00,613 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 03:10:00,614 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 03:10:00,614 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 03:10:00,615 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 03:10:00,616 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 03:10:00,616 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 03:10:00,616 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 03:10:00,617 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 03:10:00,617 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 03:10:00,617 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 03:10:00,618 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 03:10:00,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 03:10:00,618 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 03:10:00,619 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 03:10:00,619 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 03:10:00,619 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 03:10:00,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 03:10:00,620 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 03:10:00,620 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 03:10:00,620 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 03:10:01,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 03:10:01,188 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 03:10:01,191 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 03:10:01,194 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 03:10:01,195 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 03:10:01,196 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2018/Problem17.c [2020-12-22 03:10:01,292 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36df6451b/a82e11362ddf4ad4baac747302586bcc/FLAGefff458b6 [2020-12-22 03:10:09,176 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 03:10:09,177 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2018/Problem17.c [2020-12-22 03:10:09,960 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36df6451b/a82e11362ddf4ad4baac747302586bcc/FLAGefff458b6 [2020-12-22 03:10:10,462 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36df6451b/a82e11362ddf4ad4baac747302586bcc [2020-12-22 03:10:10,467 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 03:10:10,471 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 03:10:10,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 03:10:10,475 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 03:10:10,480 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 03:10:10,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:10:10" (1/1) ... [2020-12-22 03:10:10,484 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10447930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:10:10, skipping insertion in model container [2020-12-22 03:10:10,484 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:10:10" (1/1) ... [2020-12-22 03:10:10,496 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 03:10:12,776 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 03:10:14,674 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2018/Problem17.c[778,791] [2020-12-22 03:10:15,058 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2018/Problem17.c[817,830]