/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_LAZY.epf -i ../../../trunk/examples/svcomp/array-fpi/condnf.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 15:43:07,474 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 15:43:07,476 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 15:43:07,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 15:43:07,522 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 15:43:07,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 15:43:07,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 15:43:07,539 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 15:43:07,540 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 15:43:07,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 15:43:07,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 15:43:07,546 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 15:43:07,546 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 15:43:07,547 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 15:43:07,549 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 15:43:07,551 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 15:43:07,552 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 15:43:07,553 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 15:43:07,554 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 15:43:07,559 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 15:43:07,560 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 15:43:07,561 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 15:43:07,562 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 15:43:07,563 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 15:43:07,567 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-10 15:43:07,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 15:43:07,574 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 15:43:07,575 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 15:43:07,577 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_LAZY.epf [2022-01-10 15:43:07,605 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 15:43:07,605 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 15:43:07,605 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 15:43:07,605 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 15:43:07,606 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 15:43:07,606 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 15:43:07,606 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 15:43:07,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 15:43:07,607 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 15:43:07,607 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 15:43:07,607 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 15:43:07,607 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 15:43:07,608 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 15:43:07,608 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 15:43:07,608 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 15:43:07,608 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 15:43:07,608 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 15:43:07,608 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 15:43:07,608 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 15:43:07,608 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 15:43:07,608 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 15:43:07,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 15:43:07,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 15:43:07,608 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 15:43:07,609 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 15:43:07,609 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 15:43:07,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 15:43:07,609 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 15:43:07,609 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 15:43:07,609 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 15:43:07,609 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 15:43:07,609 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 15:43:07,610 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 15:43:07,610 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_LAZY 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 15:43:07,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 15:43:07,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 15:43:07,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 15:43:07,826 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 15:43:07,827 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 15:43:07,828 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/condnf.c [2022-01-10 15:43:07,892 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/006a41a96/2efce3e9fb28415b94f5a64de4c9fbdd/FLAG45ef4f3c6 [2022-01-10 15:43:08,265 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 15:43:08,265 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/condnf.c [2022-01-10 15:43:08,275 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/006a41a96/2efce3e9fb28415b94f5a64de4c9fbdd/FLAG45ef4f3c6 [2022-01-10 15:43:08,289 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/006a41a96/2efce3e9fb28415b94f5a64de4c9fbdd [2022-01-10 15:43:08,291 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 15:43:08,293 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 15:43:08,295 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 15:43:08,295 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 15:43:08,297 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 15:43:08,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 03:43:08" (1/1) ... [2022-01-10 15:43:08,298 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b4d047 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:43:08, skipping insertion in model container [2022-01-10 15:43:08,298 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 03:43:08" (1/1) ... [2022-01-10 15:43:08,303 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 15:43:08,312 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 15:43:08,507 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/condnf.c[589,602] [2022-01-10 15:43:08,525 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 15:43:08,534 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 15:43:08,545 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/condnf.c[589,602] [2022-01-10 15:43:08,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 15:43:08,572 INFO L208 MainTranslator]: Completed translation [2022-01-10 15:43:08,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:43:08 WrapperNode [2022-01-10 15:43:08,573 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 15:43:08,574 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 15:43:08,574 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 15:43:08,574 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 15:43:08,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:43:08" (1/1) ... [2022-01-10 15:43:08,592 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:43:08" (1/1) ... [2022-01-10 15:43:08,610 INFO L137 Inliner]: procedures = 18, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 68 [2022-01-10 15:43:08,610 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 15:43:08,611 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 15:43:08,611 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 15:43:08,611 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 15:43:08,617 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:43:08" (1/1) ... [2022-01-10 15:43:08,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:43:08" (1/1) ... [2022-01-10 15:43:08,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:43:08" (1/1) ... [2022-01-10 15:43:08,621 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:43:08" (1/1) ... [2022-01-10 15:43:08,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:43:08" (1/1) ... [2022-01-10 15:43:08,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:43:08" (1/1) ... [2022-01-10 15:43:08,643 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:43:08" (1/1) ... [2022-01-10 15:43:08,646 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 15:43:08,647 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 15:43:08,648 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 15:43:08,648 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 15:43:08,649 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:43:08" (1/1) ... [2022-01-10 15:43:08,653 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 15:43:08,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 15:43:08,672 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 15:43:08,702 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 15:43:08,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 15:43:08,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 15:43:08,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-10 15:43:08,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-01-10 15:43:08,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 15:43:08,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 15:43:08,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-01-10 15:43:08,770 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 15:43:08,771 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 15:43:08,899 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 15:43:08,903 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 15:43:08,903 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-01-10 15:43:08,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 03:43:08 BoogieIcfgContainer [2022-01-10 15:43:08,905 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 15:43:08,905 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 15:43:08,905 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 15:43:08,906 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 15:43:08,908 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 03:43:08" (1/1) ... [2022-01-10 15:43:09,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 03:43:09 BasicIcfg [2022-01-10 15:43:09,076 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 15:43:09,077 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 15:43:09,077 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 15:43:09,079 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 15:43:09,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 03:43:08" (1/4) ... [2022-01-10 15:43:09,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43c959db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 03:43:09, skipping insertion in model container [2022-01-10 15:43:09,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:43:08" (2/4) ... [2022-01-10 15:43:09,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43c959db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 03:43:09, skipping insertion in model container [2022-01-10 15:43:09,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 03:43:08" (3/4) ... [2022-01-10 15:43:09,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43c959db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 03:43:09, skipping insertion in model container [2022-01-10 15:43:09,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 03:43:09" (4/4) ... [2022-01-10 15:43:09,081 INFO L111 eAbstractionObserver]: Analyzing ICFG condnf.cTransformedIcfg [2022-01-10 15:43:09,084 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 15:43:09,084 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 15:43:09,133 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 15:43:09,139 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 15:43:09,139 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 15:43:09,149 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 20 states have (on average 1.55) internal successors, (31), 21 states have internal predecessors, (31), 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 15:43:09,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-01-10 15:43:09,153 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:43:09,154 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:43:09,154 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:43:09,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:43:09,157 INFO L85 PathProgramCache]: Analyzing trace with hash -901069650, now seen corresponding path program 1 times [2022-01-10 15:43:09,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:43:09,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128476790] [2022-01-10 15:43:09,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:43:09,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:43:09,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:43:09,329 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 15:43:09,329 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:43:09,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128476790] [2022-01-10 15:43:09,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128476790] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:43:09,330 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:43:09,330 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 15:43:09,331 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637845520] [2022-01-10 15:43:09,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:43:09,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 15:43:09,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:43:09,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 15:43:09,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 15:43:09,364 INFO L87 Difference]: Start difference. First operand has 22 states, 20 states have (on average 1.55) internal successors, (31), 21 states have internal predecessors, (31), 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 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 15:43:09,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:43:09,373 INFO L93 Difference]: Finished difference Result 40 states and 56 transitions. [2022-01-10 15:43:09,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 15:43:09,380 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 12 [2022-01-10 15:43:09,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:43:09,385 INFO L225 Difference]: With dead ends: 40 [2022-01-10 15:43:09,385 INFO L226 Difference]: Without dead ends: 18 [2022-01-10 15:43:09,387 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 15:43:09,393 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 15:43:09,394 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 15:43:09,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-01-10 15:43:09,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-01-10 15:43:09,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 17 states have internal predecessors, (21), 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 15:43:09,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2022-01-10 15:43:09,417 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 21 transitions. Word has length 12 [2022-01-10 15:43:09,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:43:09,418 INFO L470 AbstractCegarLoop]: Abstraction has 18 states and 21 transitions. [2022-01-10 15:43:09,418 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 15:43:09,419 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2022-01-10 15:43:09,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-01-10 15:43:09,419 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:43:09,420 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:43:09,420 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 15:43:09,420 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:43:09,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:43:09,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1820096911, now seen corresponding path program 1 times [2022-01-10 15:43:09,421 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:43:09,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389025486] [2022-01-10 15:43:09,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:43:09,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:43:09,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:43:09,628 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 15:43:09,628 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:43:09,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389025486] [2022-01-10 15:43:09,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389025486] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:43:09,629 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:43:09,629 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 15:43:09,629 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854901892] [2022-01-10 15:43:09,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:43:09,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 15:43:09,630 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:43:09,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 15:43:09,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 15:43:09,631 INFO L87 Difference]: Start difference. First operand 18 states and 21 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 15:43:09,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:43:09,722 INFO L93 Difference]: Finished difference Result 40 states and 48 transitions. [2022-01-10 15:43:09,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 15:43:09,723 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 12 [2022-01-10 15:43:09,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:43:09,724 INFO L225 Difference]: With dead ends: 40 [2022-01-10 15:43:09,725 INFO L226 Difference]: Without dead ends: 29 [2022-01-10 15:43:09,728 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 15:43:09,729 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 24 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 15:43:09,730 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 15 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 15:43:09,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-01-10 15:43:09,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 20. [2022-01-10 15:43:09,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 19 states have internal predecessors, (23), 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 15:43:09,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2022-01-10 15:43:09,742 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 12 [2022-01-10 15:43:09,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:43:09,742 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2022-01-10 15:43:09,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 15:43:09,743 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-01-10 15:43:09,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-01-10 15:43:09,746 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:43:09,748 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:43:09,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 15:43:09,749 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:43:09,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:43:09,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1625403565, now seen corresponding path program 1 times [2022-01-10 15:43:09,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:43:09,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393715903] [2022-01-10 15:43:09,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:43:09,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:43:09,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 15:43:09,892 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-10 15:43:09,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 15:43:09,967 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-10 15:43:09,967 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-10 15:43:09,968 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 15:43:09,969 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-10 15:43:09,972 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-01-10 15:43:09,974 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 15:43:10,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 03:43:10 BasicIcfg [2022-01-10 15:43:10,013 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 15:43:10,013 INFO L158 Benchmark]: Toolchain (without parser) took 1720.44ms. Allocated memory was 198.2MB in the beginning and 281.0MB in the end (delta: 82.8MB). Free memory was 147.8MB in the beginning and 170.3MB in the end (delta: -22.6MB). Peak memory consumption was 60.3MB. Max. memory is 8.0GB. [2022-01-10 15:43:10,014 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 198.2MB. Free memory was 164.3MB in the beginning and 164.2MB in the end (delta: 72.1kB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 15:43:10,014 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.28ms. Allocated memory was 198.2MB in the beginning and 281.0MB in the end (delta: 82.8MB). Free memory was 147.6MB in the beginning and 258.4MB in the end (delta: -110.8MB). Peak memory consumption was 9.8MB. Max. memory is 8.0GB. [2022-01-10 15:43:10,017 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.38ms. Allocated memory is still 281.0MB. Free memory was 258.4MB in the beginning and 256.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 15:43:10,018 INFO L158 Benchmark]: Boogie Preprocessor took 35.56ms. Allocated memory is still 281.0MB. Free memory was 256.8MB in the beginning and 255.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 15:43:10,018 INFO L158 Benchmark]: RCFGBuilder took 257.23ms. Allocated memory is still 281.0MB. Free memory was 255.8MB in the beginning and 243.7MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-01-10 15:43:10,018 INFO L158 Benchmark]: IcfgTransformer took 170.83ms. Allocated memory is still 281.0MB. Free memory was 243.7MB in the beginning and 237.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-01-10 15:43:10,018 INFO L158 Benchmark]: TraceAbstraction took 936.08ms. Allocated memory is still 281.0MB. Free memory was 236.9MB in the beginning and 170.3MB in the end (delta: 66.6MB). Peak memory consumption was 66.1MB. Max. memory is 8.0GB. [2022-01-10 15:43:10,020 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 198.2MB. Free memory was 164.3MB in the beginning and 164.2MB in the end (delta: 72.1kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 278.28ms. Allocated memory was 198.2MB in the beginning and 281.0MB in the end (delta: 82.8MB). Free memory was 147.6MB in the beginning and 258.4MB in the end (delta: -110.8MB). Peak memory consumption was 9.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 36.38ms. Allocated memory is still 281.0MB. Free memory was 258.4MB in the beginning and 256.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 35.56ms. Allocated memory is still 281.0MB. Free memory was 256.8MB in the beginning and 255.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 257.23ms. Allocated memory is still 281.0MB. Free memory was 255.8MB in the beginning and 243.7MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * IcfgTransformer took 170.83ms. Allocated memory is still 281.0MB. Free memory was 243.7MB in the beginning and 237.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * TraceAbstraction took 936.08ms. Allocated memory is still 281.0MB. Free memory was 236.9MB in the beginning and 170.3MB in the end (delta: 66.6MB). Peak memory consumption was 66.1MB. 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 - CounterExampleResult [Line: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; VAL [N=0] [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, N=1] [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] int *a = malloc(sizeof(int)*N); [L30] i=0 VAL [a={-3:0}, i=0, N=1] [L30] COND TRUE i N [L38] EXPR a[i] [L38] a[i] = a[i] [L35] i++ VAL [a={-3:0}, i=1, N=1] [L35] COND FALSE !(i