/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/ldv-regression/test_address.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 23:32:48,582 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 23:32:48,583 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 23:32:48,608 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-10 23:32:48,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 23:32:48,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 23:32:48,618 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 23:32:48,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 23:32:48,620 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 23:32:48,650 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 23:32:48,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 23:32:48,654 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 23:32:48,655 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 23:32:48,661 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 23:32:48,661 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 23:32:48,662 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 23:32:48,665 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-10 23:32:48,671 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 23:32:48,672 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 23:32:48,672 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 23:32:48,674 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 [2022-01-10 23:32:48,694 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 23:32:48,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 23:32:48,695 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 23:32:48,695 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 23:32:48,696 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 23:32:48,696 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 23:32:48,696 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 23:32:48,696 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 23:32:48,696 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 23:32:48,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 23:32:48,697 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 23:32:48,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 23:32:48,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 23:32:48,697 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 23:32:48,697 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 23:32:48,697 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 23:32:48,697 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 23:32:48,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 23:32:48,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 23:32:48,698 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 23:32:48,698 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 23:32:48,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 23:32:48,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 23:32:48,698 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 23:32:48,698 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 23:32:48,699 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 23:32:48,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 23:32:48,699 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 23:32:48,699 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 23:32:48,699 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 23:32:48,699 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 23:32:48,699 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 23:32:48,700 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 23:32:48,700 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 23:32:48,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 23:32:48,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 23:32:48,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 23:32:48,899 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 23:32:48,899 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 23:32:48,900 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_address.c [2022-01-10 23:32:48,952 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1962cccf/e9185a37ff9e4d0191e06874a4867f66/FLAG258e9c895 [2022-01-10 23:32:49,268 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 23:32:49,268 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_address.c [2022-01-10 23:32:49,272 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1962cccf/e9185a37ff9e4d0191e06874a4867f66/FLAG258e9c895 [2022-01-10 23:32:49,703 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1962cccf/e9185a37ff9e4d0191e06874a4867f66 [2022-01-10 23:32:49,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 23:32:49,706 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 23:32:49,715 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 23:32:49,716 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 23:32:49,718 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 23:32:49,719 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 11:32:49" (1/1) ... [2022-01-10 23:32:49,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5134c542 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:32:49, skipping insertion in model container [2022-01-10 23:32:49,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 11:32:49" (1/1) ... [2022-01-10 23:32:49,726 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 23:32:49,737 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 23:32:49,825 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_address.c[293,306] [2022-01-10 23:32:49,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 23:32:49,855 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 23:32:49,872 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_address.c[293,306] [2022-01-10 23:32:49,877 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 23:32:49,891 INFO L208 MainTranslator]: Completed translation [2022-01-10 23:32:49,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:32:49 WrapperNode [2022-01-10 23:32:49,892 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 23:32:49,893 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 23:32:49,893 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 23:32:49,893 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 23:32:49,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:32:49" (1/1) ... [2022-01-10 23:32:49,924 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:32:49" (1/1) ... [2022-01-10 23:32:49,943 INFO L137 Inliner]: procedures = 15, calls = 12, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 22 [2022-01-10 23:32:49,943 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 23:32:49,944 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 23:32:49,944 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 23:32:49,944 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 23:32:49,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:32:49" (1/1) ... [2022-01-10 23:32:49,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:32:49" (1/1) ... [2022-01-10 23:32:49,952 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:32:49" (1/1) ... [2022-01-10 23:32:49,952 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:32:49" (1/1) ... [2022-01-10 23:32:49,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:32:49" (1/1) ... [2022-01-10 23:32:49,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:32:49" (1/1) ... [2022-01-10 23:32:49,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:32:49" (1/1) ... [2022-01-10 23:32:49,961 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 23:32:49,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 23:32:49,961 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 23:32:49,961 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 23:32:49,966 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:32:49" (1/1) ... [2022-01-10 23:32:49,971 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 23:32:49,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 23:32:50,004 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) [2022-01-10 23:32:50,027 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 [2022-01-10 23:32:50,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 23:32:50,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 23:32:50,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-10 23:32:50,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 23:32:50,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 23:32:50,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-10 23:32:50,099 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 23:32:50,100 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 23:32:50,164 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 23:32:50,169 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 23:32:50,169 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-10 23:32:50,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 11:32:50 BoogieIcfgContainer [2022-01-10 23:32:50,171 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 23:32:50,171 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 23:32:50,171 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 23:32:50,172 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 23:32:50,177 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 11:32:50" (1/1) ... [2022-01-10 23:32:50,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 11:32:50 BasicIcfg [2022-01-10 23:32:50,236 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 23:32:50,237 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 23:32:50,237 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 23:32:50,239 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 23:32:50,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 11:32:49" (1/4) ... [2022-01-10 23:32:50,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55fb071 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 11:32:50, skipping insertion in model container [2022-01-10 23:32:50,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:32:49" (2/4) ... [2022-01-10 23:32:50,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55fb071 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 11:32:50, skipping insertion in model container [2022-01-10 23:32:50,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 11:32:50" (3/4) ... [2022-01-10 23:32:50,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55fb071 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 11:32:50, skipping insertion in model container [2022-01-10 23:32:50,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 11:32:50" (4/4) ... [2022-01-10 23:32:50,241 INFO L111 eAbstractionObserver]: Analyzing ICFG test_address.cTransformedIcfg [2022-01-10 23:32:50,245 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 23:32:50,245 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 23:32:50,278 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 23:32:50,284 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 [2022-01-10 23:32:50,284 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 23:32:50,295 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 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) [2022-01-10 23:32:50,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-01-10 23:32:50,299 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 23:32:50,300 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2022-01-10 23:32:50,300 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 23:32:50,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 23:32:50,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1540260, now seen corresponding path program 1 times [2022-01-10 23:32:50,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 23:32:50,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121493229] [2022-01-10 23:32:50,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 23:32:50,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 23:32:50,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 23:32:50,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 23:32:50,501 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 23:32:50,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121493229] [2022-01-10 23:32:50,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121493229] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 23:32:50,502 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 23:32:50,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 23:32:50,503 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652825510] [2022-01-10 23:32:50,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 23:32:50,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 23:32:50,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 23:32:50,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 23:32:50,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 23:32:50,566 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 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 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-01-10 23:32:50,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 23:32:50,579 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2022-01-10 23:32:50,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 23:32:50,582 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2022-01-10 23:32:50,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 23:32:50,587 INFO L225 Difference]: With dead ends: 16 [2022-01-10 23:32:50,587 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 23:32:50,589 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 23:32:50,594 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 5 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 23:32:50,597 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 7 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 23:32:50,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 23:32:50,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 23:32:50,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2022-01-10 23:32:50,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 23:32:50,615 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2022-01-10 23:32:50,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 23:32:50,617 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 23:32:50,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-01-10 23:32:50,617 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 23:32:50,617 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 23:32:50,619 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 23:32:50,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 23:32:50,621 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 23:32:50,624 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 23:32:50,624 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 23:32:50,624 INFO L858 garLoopResultBuilder]: For program point L15(line 15) no Hoare annotation was computed. [2022-01-10 23:32:50,624 INFO L858 garLoopResultBuilder]: For program point L14(lines 14 16) no Hoare annotation was computed. [2022-01-10 23:32:50,624 INFO L858 garLoopResultBuilder]: For program point L7(line 7) no Hoare annotation was computed. [2022-01-10 23:32:50,624 INFO L858 garLoopResultBuilder]: For program point L18(lines 18 21) no Hoare annotation was computed. [2022-01-10 23:32:50,625 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7) no Hoare annotation was computed. [2022-01-10 23:32:50,626 INFO L858 garLoopResultBuilder]: For program point L5(lines 5 8) no Hoare annotation was computed. [2022-01-10 23:32:50,626 INFO L858 garLoopResultBuilder]: For program point L23(lines 23 26) no Hoare annotation was computed. [2022-01-10 23:32:50,627 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 23:32:50,627 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 23:32:50,632 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-01-10 23:32:50,633 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 23:32:50,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 11:32:50 BasicIcfg [2022-01-10 23:32:50,648 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 23:32:50,650 INFO L158 Benchmark]: Toolchain (without parser) took 943.55ms. Allocated memory was 178.3MB in the beginning and 220.2MB in the end (delta: 41.9MB). Free memory was 123.6MB in the beginning and 157.5MB in the end (delta: -33.9MB). Peak memory consumption was 7.5MB. Max. memory is 8.0GB. [2022-01-10 23:32:50,650 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 178.3MB. Free memory is still 139.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 23:32:50,653 INFO L158 Benchmark]: CACSL2BoogieTranslator took 176.71ms. Allocated memory was 178.3MB in the beginning and 220.2MB in the end (delta: 41.9MB). Free memory was 123.5MB in the beginning and 194.8MB in the end (delta: -71.3MB). Peak memory consumption was 13.9MB. Max. memory is 8.0GB. [2022-01-10 23:32:50,653 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.53ms. Allocated memory is still 220.2MB. Free memory was 194.8MB in the beginning and 193.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 23:32:50,656 INFO L158 Benchmark]: Boogie Preprocessor took 16.92ms. Allocated memory is still 220.2MB. Free memory was 193.2MB in the beginning and 192.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 23:32:50,656 INFO L158 Benchmark]: RCFGBuilder took 209.45ms. Allocated memory is still 220.2MB. Free memory was 192.1MB in the beginning and 182.2MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-01-10 23:32:50,657 INFO L158 Benchmark]: IcfgTransformer took 64.43ms. Allocated memory is still 220.2MB. Free memory was 182.2MB in the beginning and 179.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-10 23:32:50,657 INFO L158 Benchmark]: TraceAbstraction took 411.91ms. Allocated memory is still 220.2MB. Free memory was 179.0MB in the beginning and 157.5MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2022-01-10 23:32:50,661 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 178.3MB. Free memory is still 139.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 176.71ms. Allocated memory was 178.3MB in the beginning and 220.2MB in the end (delta: 41.9MB). Free memory was 123.5MB in the beginning and 194.8MB in the end (delta: -71.3MB). Peak memory consumption was 13.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.53ms. Allocated memory is still 220.2MB. Free memory was 194.8MB in the beginning and 193.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 16.92ms. Allocated memory is still 220.2MB. Free memory was 193.2MB in the beginning and 192.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 209.45ms. Allocated memory is still 220.2MB. Free memory was 192.1MB in the beginning and 182.2MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * IcfgTransformer took 64.43ms. Allocated memory is still 220.2MB. Free memory was 182.2MB in the beginning and 179.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * TraceAbstraction took 411.91ms. Allocated memory is still 220.2MB. Free memory was 179.0MB in the beginning and 157.5MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 7]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1 IncrementalHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 6 mSDtfsCounter, 1 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-01-10 23:32:50,702 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...