/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/bitvector-regression/recHanoi03-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-11 01:56:25,311 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-11 01:56:25,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-11 01:56:25,394 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-11 01:56:25,415 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-11 01:56:25,415 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-11 01:56:25,416 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-11 01:56:25,417 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-11 01:56:25,417 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-11 01:56:25,418 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-11 01:56:25,419 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-11 01:56:25,420 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-11 01:56:25,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-11 01:56:25,424 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-11 01:56:25,426 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-11 01:56:25,427 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-11 01:56:25,437 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-11 01:56:25,441 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-11 01:56:25,441 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-11 01:56:25,443 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-11 01:56:25,443 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-11 01:56:25,445 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-11 01:56:25,445 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-11 01:56:25,445 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-11 01:56:25,446 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-11 01:56:25,446 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-11 01:56:25,447 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-11 01:56:25,447 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-11 01:56:25,448 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 01:56:25,483 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-11 01:56:25,483 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-11 01:56:25,484 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-11 01:56:25,484 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-11 01:56:25,485 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-11 01:56:25,485 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-11 01:56:25,485 INFO L138 SettingsManager]: * Use SBE=true [2022-01-11 01:56:25,485 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-11 01:56:25,485 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-11 01:56:25,486 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-11 01:56:25,486 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-11 01:56:25,487 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-11 01:56:25,487 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-11 01:56:25,487 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-11 01:56:25,487 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-11 01:56:25,487 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-11 01:56:25,487 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-11 01:56:25,487 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-11 01:56:25,487 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-11 01:56:25,488 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-11 01:56:25,488 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-11 01:56:25,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 01:56:25,489 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-11 01:56:25,489 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-11 01:56:25,490 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-11 01:56:25,490 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-11 01:56:25,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-11 01:56:25,490 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-11 01:56:25,490 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-11 01:56:25,490 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-11 01:56:25,490 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-11 01:56:25,491 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-11 01:56:25,491 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-11 01:56:25,491 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-11 01:56:25,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-11 01:56:25,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-11 01:56:25,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-11 01:56:25,731 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-11 01:56:25,731 INFO L275 PluginConnector]: CDTParser initialized [2022-01-11 01:56:25,732 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector-regression/recHanoi03-1.c [2022-01-11 01:56:25,795 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c980088d2/560a05294fd14eb8bd1dbe34d5db422c/FLAGadf73ac9a [2022-01-11 01:56:26,168 INFO L306 CDTParser]: Found 1 translation units. [2022-01-11 01:56:26,168 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/recHanoi03-1.c [2022-01-11 01:56:26,175 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c980088d2/560a05294fd14eb8bd1dbe34d5db422c/FLAGadf73ac9a [2022-01-11 01:56:26,585 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c980088d2/560a05294fd14eb8bd1dbe34d5db422c [2022-01-11 01:56:26,587 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-11 01:56:26,588 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-11 01:56:26,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-11 01:56:26,590 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-11 01:56:26,593 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-11 01:56:26,593 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 01:56:26" (1/1) ... [2022-01-11 01:56:26,594 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18f03fd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:56:26, skipping insertion in model container [2022-01-11 01:56:26,595 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 01:56:26" (1/1) ... [2022-01-11 01:56:26,600 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-11 01:56:26,611 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-11 01:56:26,754 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/recHanoi03-1.c[838,851] [2022-01-11 01:56:26,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 01:56:26,764 INFO L203 MainTranslator]: Completed pre-run [2022-01-11 01:56:26,774 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/recHanoi03-1.c[838,851] [2022-01-11 01:56:26,774 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 01:56:26,783 INFO L208 MainTranslator]: Completed translation [2022-01-11 01:56:26,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:56:26 WrapperNode [2022-01-11 01:56:26,784 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-11 01:56:26,785 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-11 01:56:26,785 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-11 01:56:26,785 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-11 01:56:26,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:56:26" (1/1) ... [2022-01-11 01:56:26,796 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:56:26" (1/1) ... [2022-01-11 01:56:26,808 INFO L137 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24 [2022-01-11 01:56:26,809 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-11 01:56:26,809 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-11 01:56:26,809 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-11 01:56:26,809 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-11 01:56:26,816 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:56:26" (1/1) ... [2022-01-11 01:56:26,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:56:26" (1/1) ... [2022-01-11 01:56:26,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:56:26" (1/1) ... [2022-01-11 01:56:26,826 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:56:26" (1/1) ... [2022-01-11 01:56:26,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:56:26" (1/1) ... [2022-01-11 01:56:26,831 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:56:26" (1/1) ... [2022-01-11 01:56:26,832 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:56:26" (1/1) ... [2022-01-11 01:56:26,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-11 01:56:26,834 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-11 01:56:26,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-11 01:56:26,835 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-11 01:56:26,836 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:56:26" (1/1) ... [2022-01-11 01:56:26,845 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 01:56:26,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 01:56:26,871 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 01:56:26,894 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 01:56:26,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-11 01:56:26,909 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2022-01-11 01:56:26,909 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2022-01-11 01:56:26,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-11 01:56:26,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-11 01:56:26,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-11 01:56:26,962 INFO L234 CfgBuilder]: Building ICFG [2022-01-11 01:56:26,963 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-11 01:56:27,043 INFO L275 CfgBuilder]: Performing block encoding [2022-01-11 01:56:27,048 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-11 01:56:27,049 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-11 01:56:27,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 01:56:27 BoogieIcfgContainer [2022-01-11 01:56:27,050 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-11 01:56:27,051 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-11 01:56:27,051 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-11 01:56:27,052 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-11 01:56:27,055 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 01:56:27" (1/1) ... [2022-01-11 01:56:27,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 01:56:27 BasicIcfg [2022-01-11 01:56:27,107 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-11 01:56:27,108 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-11 01:56:27,109 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-11 01:56:27,111 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-11 01:56:27,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.01 01:56:26" (1/4) ... [2022-01-11 01:56:27,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ad67691 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 01:56:27, skipping insertion in model container [2022-01-11 01:56:27,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:56:26" (2/4) ... [2022-01-11 01:56:27,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ad67691 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 01:56:27, skipping insertion in model container [2022-01-11 01:56:27,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 01:56:27" (3/4) ... [2022-01-11 01:56:27,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ad67691 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 01:56:27, skipping insertion in model container [2022-01-11 01:56:27,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 01:56:27" (4/4) ... [2022-01-11 01:56:27,114 INFO L111 eAbstractionObserver]: Analyzing ICFG recHanoi03-1.cTransformedIcfg [2022-01-11 01:56:27,118 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-11 01:56:27,118 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-11 01:56:27,151 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-11 01:56:27,157 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 01:56:27,157 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-11 01:56:27,167 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 13 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-11 01:56:27,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-01-11 01:56:27,170 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 01:56:27,170 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 01:56:27,171 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 01:56:27,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 01:56:27,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1230283936, now seen corresponding path program 1 times [2022-01-11 01:56:27,182 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 01:56:27,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827011485] [2022-01-11 01:56:27,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 01:56:27,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 01:56:27,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat