/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInlineTransformed.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_NONE.epf -i ../../../trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.2.M4-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-11 00:33:14,421 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-11 00:33:14,423 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-11 00:33:14,464 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-11 00:33:14,500 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-11 00:33:14,501 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-11 00:33:14,501 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-11 00:33:14,502 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-11 00:33:14,503 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-11 00:33:14,504 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-11 00:33:14,505 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-11 00:33:14,506 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-11 00:33:14,508 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-11 00:33:14,509 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-11 00:33:14,510 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-11 00:33:14,510 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-11 00:33:14,512 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-11 00:33:14,519 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-11 00:33:14,519 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-11 00:33:14,520 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-11 00:33:14,521 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_NONE.epf [2022-01-11 00:33:14,546 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-11 00:33:14,547 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-11 00:33:14,547 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-11 00:33:14,547 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-11 00:33:14,548 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-11 00:33:14,549 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-11 00:33:14,549 INFO L138 SettingsManager]: * Use SBE=true [2022-01-11 00:33:14,549 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-11 00:33:14,549 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-11 00:33:14,549 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-11 00:33:14,549 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-11 00:33:14,549 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-11 00:33:14,550 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-11 00:33:14,550 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-11 00:33:14,550 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-11 00:33:14,550 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-11 00:33:14,550 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-11 00:33:14,550 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-11 00:33:14,550 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-11 00:33:14,551 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-11 00:33:14,551 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-11 00:33:14,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 00:33:14,551 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-11 00:33:14,551 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-11 00:33:14,551 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-11 00:33:14,551 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-11 00:33:14,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-11 00:33:14,552 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-11 00:33:14,552 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-11 00:33:14,552 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-11 00:33:14,552 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-11 00:33:14,552 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-11 00:33:14,553 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-11 00:33:14,553 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_NONE 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-11 00:33:14,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-11 00:33:14,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-11 00:33:14,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-11 00:33:14,776 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-11 00:33:14,780 INFO L275 PluginConnector]: CDTParser initialized [2022-01-11 00:33:14,781 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.2.M4-1.c [2022-01-11 00:33:14,838 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f16531bf/31366a5f2a314e249e0eede881741e24/FLAG9365e9744 [2022-01-11 00:33:15,474 INFO L306 CDTParser]: Found 1 translation units. [2022-01-11 00:33:15,475 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.2.M4-1.c [2022-01-11 00:33:15,515 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f16531bf/31366a5f2a314e249e0eede881741e24/FLAG9365e9744 [2022-01-11 00:33:15,574 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f16531bf/31366a5f2a314e249e0eede881741e24 [2022-01-11 00:33:15,577 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-11 00:33:15,581 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-11 00:33:15,584 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-11 00:33:15,584 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-11 00:33:15,589 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-11 00:33:15,590 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 12:33:15" (1/1) ... [2022-01-11 00:33:15,592 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@595a9150 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:33:15, skipping insertion in model container [2022-01-11 00:33:15,592 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 12:33:15" (1/1) ... [2022-01-11 00:33:15,601 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-11 00:33:15,732 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-11 00:33:16,057 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.2.M4-1.c[2195,2208] [2022-01-11 00:33:17,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 00:33:17,036 INFO L203 MainTranslator]: Completed pre-run [2022-01-11 00:33:17,054 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.2.M4-1.c[2195,2208] [2022-01-11 00:33:17,816 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 00:33:17,918 INFO L208 MainTranslator]: Completed translation [2022-01-11 00:33:17,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:33:17 WrapperNode [2022-01-11 00:33:17,919 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-11 00:33:17,920 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-11 00:33:17,920 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-11 00:33:17,920 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-11 00:33:17,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:33:17" (1/1) ... [2022-01-11 00:33:18,363 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:33:17" (1/1) ... [2022-01-11 00:33:21,076 INFO L137 Inliner]: procedures = 61, calls = 18819, calls flagged for inlining = 4253, calls inlined = 12923, statements flattened = 151063 [2022-01-11 00:33:21,077 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-11 00:33:21,078 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-11 00:33:21,078 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-11 00:33:21,078 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-11 00:33:21,086 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:33:17" (1/1) ... [2022-01-11 00:33:21,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:33:17" (1/1) ... [2022-01-11 00:33:22,222 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:33:17" (1/1) ... [2022-01-11 00:33:22,223 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:33:17" (1/1) ... [2022-01-11 00:33:23,746 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:33:17" (1/1) ... [2022-01-11 00:33:24,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:33:17" (1/1) ... [2022-01-11 00:33:24,916 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:33:17" (1/1) ... [2022-01-11 00:33:25,660 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-11 00:33:25,662 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-11 00:33:25,662 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-11 00:33:25,663 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-11 00:33:25,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 12:33:17" (1/1) ... [2022-01-11 00:33:25,676 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 00:33:25,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 00:33:25,706 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) [2022-01-11 00:33:25,718 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 [2022-01-11 00:33:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-11 00:33:25,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-01-11 00:33:25,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-11 00:33:25,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-01-11 00:33:25,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-01-11 00:33:25,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-11 00:33:25,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-01-11 00:33:25,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-11 00:33:25,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-11 00:33:25,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-11 00:33:27,558 INFO L234 CfgBuilder]: Building ICFG [2022-01-11 00:33:27,560 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation