/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_SUM.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem07_label56.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-11 03:58:14,416 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-11 03:58:14,418 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-11 03:58:14,476 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-11 03:58:14,492 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-11 03:58:14,492 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-11 03:58:14,493 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-11 03:58:14,493 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-11 03:58:14,494 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-11 03:58:14,494 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-11 03:58:14,495 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-11 03:58:14,496 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-11 03:58:14,497 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-11 03:58:14,499 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-11 03:58:14,501 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-11 03:58:14,502 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-11 03:58:14,509 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-11 03:58:14,510 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-11 03:58:14,511 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-11 03:58:14,511 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-11 03:58:14,512 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-11 03:58:14,512 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-11 03:58:14,512 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-11 03:58:14,513 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-11 03:58:14,513 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-11 03:58:14,513 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-11 03:58:14,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-11 03:58:14,514 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-11 03:58:14,519 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_SUM.epf [2022-01-11 03:58:14,540 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-11 03:58:14,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-11 03:58:14,541 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-11 03:58:14,541 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-11 03:58:14,541 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-11 03:58:14,541 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-11 03:58:14,542 INFO L138 SettingsManager]: * Use SBE=true [2022-01-11 03:58:14,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-11 03:58:14,542 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-11 03:58:14,542 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-11 03:58:14,542 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-11 03:58:14,542 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-11 03:58:14,542 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-11 03:58:14,542 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-11 03:58:14,542 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-11 03:58:14,542 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-11 03:58:14,542 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-11 03:58:14,542 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-11 03:58:14,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-11 03:58:14,543 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-11 03:58:14,543 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-11 03:58:14,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 03:58:14,544 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-11 03:58:14,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-11 03:58:14,546 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-11 03:58:14,546 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-11 03:58:14,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-11 03:58:14,546 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-11 03:58:14,547 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-11 03:58:14,547 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-11 03:58:14,547 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-11 03:58:14,547 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-11 03:58:14,548 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-11 03:58:14,548 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_SUM 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-11 03:58:14,730 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-11 03:58:14,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-11 03:58:14,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-11 03:58:14,759 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-11 03:58:14,759 INFO L275 PluginConnector]: CDTParser initialized [2022-01-11 03:58:14,760 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem07_label56.c [2022-01-11 03:58:14,801 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/959d1449f/cfac29f511724b1bb332874fda34480a/FLAGf5d6de869 [2022-01-11 03:58:16,290 INFO L306 CDTParser]: Found 1 translation units. [2022-01-11 03:58:16,291 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem07_label56.c [2022-01-11 03:58:16,392 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/959d1449f/cfac29f511724b1bb332874fda34480a/FLAGf5d6de869 [2022-01-11 03:58:16,623 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/959d1449f/cfac29f511724b1bb332874fda34480a [2022-01-11 03:58:16,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-11 03:58:16,627 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-11 03:58:16,628 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-11 03:58:16,628 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-11 03:58:16,630 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-11 03:58:16,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 03:58:16" (1/1) ... [2022-01-11 03:58:16,632 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e316773 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:58:16, skipping insertion in model container [2022-01-11 03:58:16,636 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 03:58:16" (1/1) ... [2022-01-11 03:58:16,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-11 03:58:17,336 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-11 03:58:24,197 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem07_label56.c[2773929,2773942] [2022-01-11 03:58:24,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 03:58:24,263 INFO L203 MainTranslator]: Completed pre-run [2022-01-11 03:58:28,266 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem07_label56.c[2773929,2773942] [2022-01-11 03:58:28,271 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 03:58:29,186 INFO L208 MainTranslator]: Completed translation [2022-01-11 03:58:29,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:58:29 WrapperNode [2022-01-11 03:58:29,186 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-11 03:58:29,187 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-11 03:58:29,187 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-11 03:58:29,187 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-11 03:58:29,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:58:29" (1/1) ... [2022-01-11 03:58:29,804 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:58:29" (1/1) ... [2022-01-11 03:58:31,812 INFO L137 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83726 [2022-01-11 03:58:31,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-11 03:58:31,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-11 03:58:31,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-11 03:58:31,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-11 03:58:31,821 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:58:29" (1/1) ... [2022-01-11 03:58:31,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:58:29" (1/1) ... [2022-01-11 03:58:32,206 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:58:29" (1/1) ... [2022-01-11 03:58:32,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:58:29" (1/1) ... [2022-01-11 03:58:33,211 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:58:29" (1/1) ... [2022-01-11 03:58:33,368 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:58:29" (1/1) ... [2022-01-11 03:58:33,516 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:58:29" (1/1) ... [2022-01-11 03:58:33,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-11 03:58:33,988 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-11 03:58:33,988 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-11 03:58:33,988 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-11 03:58:33,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:58:29" (1/1) ... [2022-01-11 03:58:34,013 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 03:58:34,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 03:58:34,038 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 03:58:34,057 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 03:58:34,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-11 03:58:34,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-11 03:58:34,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-11 03:58:34,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-11 03:58:34,235 INFO L234 CfgBuilder]: Building ICFG [2022-01-11 03:58:34,236 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-11 03:59:11,714 INFO L275 CfgBuilder]: Performing block encoding [2022-01-11 03:59:11,760 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-11 03:59:11,760 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-11 03:59:11,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 03:59:11 BoogieIcfgContainer [2022-01-11 03:59:11,769 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-11 03:59:11,770 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-11 03:59:11,770 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-11 03:59:11,770 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-11 03:59:11,772 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 03:59:11" (1/1) ... [2022-01-11 03:59:18,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 03:59:18 BasicIcfg [2022-01-11 03:59:18,214 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-11 03:59:18,232 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-11 03:59:18,232 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-11 03:59:18,236 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-11 03:59:18,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.01 03:58:16" (1/4) ... [2022-01-11 03:59:18,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5935289a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 03:59:18, skipping insertion in model container [2022-01-11 03:59:18,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 03:58:29" (2/4) ... [2022-01-11 03:59:18,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5935289a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 03:59:18, skipping insertion in model container [2022-01-11 03:59:18,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 03:59:11" (3/4) ... [2022-01-11 03:59:18,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5935289a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 03:59:18, skipping insertion in model container [2022-01-11 03:59:18,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 03:59:18" (4/4) ... [2022-01-11 03:59:18,238 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem07_label56.cTransformedIcfg [2022-01-11 03:59:18,241 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-11 03:59:18,241 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-11 03:59:18,346 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-11 03:59:18,367 INFO L339 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=PETRI_NET, 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, mLoopAccelerationTechnique=FAST_UPR [2022-01-11 03:59:18,367 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-11 03:59:18,477 INFO L276 IsEmpty]: Start isEmpty. Operand has 10257 states, 10255 states have (on average 1.9892735251097027) internal successors, (20400), 10256 states have internal predecessors, (20400), 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)