/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/loops/verisec_NetBSD-libc_loop.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 18:48:52,970 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 18:48:52,974 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 18:48:53,033 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-23 18:48:53,033 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-23 18:48:53,038 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-23 18:48:53,042 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-23 18:48:53,051 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-23 18:48:53,055 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-23 18:48:53,062 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-23 18:48:53,064 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-23 18:48:53,066 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-23 18:48:53,067 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 18:48:53,070 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 18:48:53,072 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 18:48:53,074 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 18:48:53,078 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 18:48:53,080 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 18:48:53,088 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 18:48:53,096 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 18:48:53,098 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 18:48:53,100 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 18:48:53,102 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 18:48:53,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 18:48:53,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-23 18:48:53,116 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-23 18:48:53,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-23 18:48:53,118 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-23 18:48:53,119 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-23 18:48:53,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-23 18:48:53,120 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-23 18:48:53,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-23 18:48:53,138 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-23 18:48:53,139 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-23 18:48:53,140 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-23 18:48:53,140 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-23 18:48:53,141 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-23 18:48:53,142 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-23 18:48:53,142 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 18:48:53,143 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 18:48:53,144 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 18:48:53,145 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-23 18:48:53,170 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 18:48:53,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 18:48:53,175 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 18:48:53,176 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 18:48:53,176 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 18:48:53,176 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 18:48:53,176 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 18:48:53,177 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 18:48:53,177 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 18:48:53,177 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 18:48:53,178 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 18:48:53,179 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 18:48:53,179 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 18:48:53,179 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 18:48:53,180 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 18:48:53,180 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-23 18:48:53,180 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-23 18:48:53,180 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 18:48:53,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 18:48:53,181 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 18:48:53,181 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-23 18:48:53,182 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 18:48:53,182 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-23 18:48:53,606 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 18:48:53,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 18:48:53,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 18:48:53,653 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 18:48:53,654 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 18:48:53,655 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/verisec_NetBSD-libc_loop.i [2021-02-23 18:48:53,746 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b889f3ac/f5c337767a6d4d69a0bb510083fc7f03/FLAGb34ec7926 [2021-02-23 18:48:54,329 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 18:48:54,330 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/verisec_NetBSD-libc_loop.i [2021-02-23 18:48:54,337 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b889f3ac/f5c337767a6d4d69a0bb510083fc7f03/FLAGb34ec7926 [2021-02-23 18:48:54,709 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b889f3ac/f5c337767a6d4d69a0bb510083fc7f03 [2021-02-23 18:48:54,711 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 18:48:54,722 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 18:48:54,728 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 18:48:54,728 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 18:48:54,732 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 18:48:54,733 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 06:48:54" (1/1) ... [2021-02-23 18:48:54,735 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d204569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:48:54, skipping insertion in model container [2021-02-23 18:48:54,736 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 06:48:54" (1/1) ... [2021-02-23 18:48:54,745 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 18:48:54,763 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 18:48:54,913 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops/verisec_NetBSD-libc_loop.i[825,838] [2021-02-23 18:48:54,931 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 18:48:54,941 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 18:48:54,956 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops/verisec_NetBSD-libc_loop.i[825,838] [2021-02-23 18:48:54,963 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 18:48:54,980 INFO L208 MainTranslator]: Completed translation [2021-02-23 18:48:54,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:48:54 WrapperNode [2021-02-23 18:48:54,980 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 18:48:54,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 18:48:54,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 18:48:54,982 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 18:48:54,996 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:48:54" (1/1) ... [2021-02-23 18:48:54,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:48:54" (1/1) ... [2021-02-23 18:48:55,005 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:48:54" (1/1) ... [2021-02-23 18:48:55,005 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:48:54" (1/1) ... [2021-02-23 18:48:55,013 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:48:54" (1/1) ... [2021-02-23 18:48:55,018 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:48:54" (1/1) ... [2021-02-23 18:48:55,019 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:48:54" (1/1) ... [2021-02-23 18:48:55,022 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 18:48:55,023 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 18:48:55,023 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 18:48:55,023 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 18:48:55,024 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:48:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 18:48:55,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 18:48:55,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 18:48:55,115 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 18:48:55,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-02-23 18:48:55,116 INFO L138 BoogieDeclarations]: Found implementation of procedure glob2 [2021-02-23 18:48:55,116 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 18:48:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 18:48:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 18:48:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-23 18:48:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-23 18:48:55,117 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 18:48:55,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 18:48:55,117 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-02-23 18:48:55,117 INFO L130 BoogieDeclarations]: Found specification of procedure glob2 [2021-02-23 18:48:55,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 18:48:55,117 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 18:48:55,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 18:48:55,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 18:48:55,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 18:48:55,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 18:48:55,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 18:48:55,518 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 18:48:55,518 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-23 18:48:55,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 06:48:55 BoogieIcfgContainer [2021-02-23 18:48:55,521 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 18:48:55,523 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 18:48:55,523 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 18:48:55,528 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 18:48:55,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 06:48:54" (1/3) ... [2021-02-23 18:48:55,530 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@705ea13f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 06:48:55, skipping insertion in model container [2021-02-23 18:48:55,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:48:54" (2/3) ... [2021-02-23 18:48:55,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@705ea13f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 06:48:55, skipping insertion in model container [2021-02-23 18:48:55,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 06:48:55" (3/3) ... [2021-02-23 18:48:55,533 INFO L111 eAbstractionObserver]: Analyzing ICFG verisec_NetBSD-libc_loop.i [2021-02-23 18:48:55,543 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-23 18:48:55,549 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 18:48:55,573 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 18:48:55,625 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 18:48:55,625 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 18:48:55,625 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-23 18:48:55,626 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 18:48:55,626 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 18:48:55,631 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 18:48:55,631 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 18:48:55,631 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 18:48:55,666 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2021-02-23 18:48:55,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-02-23 18:48:55,690 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:48:55,691 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 18:48:55,692 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:48:55,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:48:55,702 INFO L82 PathProgramCache]: Analyzing trace with hash -1838508197, now seen corresponding path program 1 times [2021-02-23 18:48:55,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:48:55,714 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2147316002] [2021-02-23 18:48:55,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:48:55,805 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:48:55,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:48:56,036 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:56,038 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:48:56,039 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:56,040 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:48:56,061 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:56,063 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-23 18:48:56,078 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:56,079 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 18:48:56,095 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:56,096 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 18:48:56,113 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:56,115 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 18:48:56,130 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:56,131 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:48:56,141 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:56,142 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:48:56,154 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:56,154 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:48:56,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:48:56,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:48:56,209 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:56,210 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:48:56,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:48:56,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2147316002] [2021-02-23 18:48:56,221 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:48:56,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-23 18:48:56,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357301350] [2021-02-23 18:48:56,227 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-23 18:48:56,227 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:48:56,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-23 18:48:56,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-02-23 18:48:56,246 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 10 states. [2021-02-23 18:48:56,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:48:56,790 INFO L93 Difference]: Finished difference Result 81 states and 90 transitions. [2021-02-23 18:48:56,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-23 18:48:56,792 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 25 [2021-02-23 18:48:56,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:48:56,801 INFO L225 Difference]: With dead ends: 81 [2021-02-23 18:48:56,801 INFO L226 Difference]: Without dead ends: 41 [2021-02-23 18:48:56,806 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2021-02-23 18:48:56,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2021-02-23 18:48:56,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 38. [2021-02-23 18:48:56,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2021-02-23 18:48:56,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 38 transitions. [2021-02-23 18:48:56,861 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 38 transitions. Word has length 25 [2021-02-23 18:48:56,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:48:56,862 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 38 transitions. [2021-02-23 18:48:56,862 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-23 18:48:56,862 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 38 transitions. [2021-02-23 18:48:56,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-02-23 18:48:56,864 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:48:56,865 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 18:48:56,865 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 18:48:56,865 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:48:56,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:48:56,867 INFO L82 PathProgramCache]: Analyzing trace with hash 1450458719, now seen corresponding path program 1 times [2021-02-23 18:48:56,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:48:56,867 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1759561472] [2021-02-23 18:48:56,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:48:56,906 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:48:56,908 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:48:56,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:48:56,996 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:56,996 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:48:56,997 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:56,998 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:48:57,003 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:57,005 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-23 18:48:57,015 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:57,017 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 18:48:57,027 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:57,028 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 18:48:57,040 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:57,041 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 18:48:57,054 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:57,055 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 18:48:57,069 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:57,070 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 18:48:57,083 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:57,083 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:48:57,093 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:57,094 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:48:57,110 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:57,111 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:48:57,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:48:57,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:48:57,163 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:57,164 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:48:57,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-02-23 18:48:57,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:48:57,173 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:57,174 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:48:57,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:48:57,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1759561472] [2021-02-23 18:48:57,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:48:57,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-02-23 18:48:57,179 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24939811] [2021-02-23 18:48:57,180 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-02-23 18:48:57,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:48:57,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-02-23 18:48:57,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2021-02-23 18:48:57,182 INFO L87 Difference]: Start difference. First operand 38 states and 38 transitions. Second operand 12 states. [2021-02-23 18:48:57,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:48:57,761 INFO L93 Difference]: Finished difference Result 53 states and 53 transitions. [2021-02-23 18:48:57,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-23 18:48:57,763 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 35 [2021-02-23 18:48:57,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:48:57,766 INFO L225 Difference]: With dead ends: 53 [2021-02-23 18:48:57,766 INFO L226 Difference]: Without dead ends: 51 [2021-02-23 18:48:57,769 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2021-02-23 18:48:57,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-02-23 18:48:57,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 48. [2021-02-23 18:48:57,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2021-02-23 18:48:57,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 48 transitions. [2021-02-23 18:48:57,801 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 48 transitions. Word has length 35 [2021-02-23 18:48:57,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:48:57,802 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 48 transitions. [2021-02-23 18:48:57,802 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-02-23 18:48:57,802 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 48 transitions. [2021-02-23 18:48:57,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-02-23 18:48:57,804 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:48:57,805 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 18:48:57,806 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 18:48:57,806 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:48:57,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:48:57,807 INFO L82 PathProgramCache]: Analyzing trace with hash -412356509, now seen corresponding path program 2 times [2021-02-23 18:48:57,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:48:57,807 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [38360398] [2021-02-23 18:48:57,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:48:57,826 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:48:57,830 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:48:57,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-23 18:48:57,902 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-23 18:48:57,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-23 18:48:57,945 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-23 18:48:57,981 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-02-23 18:48:57,981 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-23 18:48:57,982 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 18:48:57,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 06:48:57 BoogieIcfgContainer [2021-02-23 18:48:57,999 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 18:48:58,000 INFO L168 Benchmark]: Toolchain (without parser) took 3286.94 ms. Allocated memory was 151.0 MB in the beginning and 183.5 MB in the end (delta: 32.5 MB). Free memory was 126.8 MB in the beginning and 100.9 MB in the end (delta: 25.9 MB). Peak memory consumption was 59.7 MB. Max. memory is 8.0 GB. [2021-02-23 18:48:58,001 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory is still 126.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 18:48:58,002 INFO L168 Benchmark]: CACSL2BoogieTranslator took 253.38 ms. Allocated memory is still 151.0 MB. Free memory was 125.9 MB in the beginning and 116.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-02-23 18:48:58,003 INFO L168 Benchmark]: Boogie Preprocessor took 40.32 ms. Allocated memory is still 151.0 MB. Free memory was 116.3 MB in the beginning and 114.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-02-23 18:48:58,004 INFO L168 Benchmark]: RCFGBuilder took 497.85 ms. Allocated memory is still 151.0 MB. Free memory was 114.7 MB in the beginning and 97.9 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2021-02-23 18:48:58,005 INFO L168 Benchmark]: TraceAbstraction took 2475.80 ms. Allocated memory was 151.0 MB in the beginning and 183.5 MB in the end (delta: 32.5 MB). Free memory was 97.6 MB in the beginning and 100.9 MB in the end (delta: -3.4 MB). Peak memory consumption was 30.3 MB. Max. memory is 8.0 GB. [2021-02-23 18:48:58,008 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory is still 126.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 253.38 ms. Allocated memory is still 151.0 MB. Free memory was 125.9 MB in the beginning and 116.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 40.32 ms. Allocated memory is still 151.0 MB. Free memory was 116.3 MB in the beginning and 114.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 497.85 ms. Allocated memory is still 151.0 MB. Free memory was 114.7 MB in the beginning and 97.9 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2475.80 ms. Allocated memory was 151.0 MB in the beginning and 183.5 MB in the end (delta: 32.5 MB). Free memory was 97.6 MB in the beginning and 100.9 MB in the end (delta: -3.4 MB). Peak memory consumption was 30.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 16]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L23] Char *tmp; [L40] Char pathbuf[1 +1]; [L42] Char *bound = pathbuf + sizeof(pathbuf) - 1; [L44] tmp = pathbuf + sizeof(pathbuf)/sizeof(*pathbuf) - 1 [L46] CALL glob2 (pathbuf, bound) [L27] Char *p; [L29] p = pathbuf [L29] COND TRUE p <= pathlim [L31] CALL __VERIFIER_assert(p<=tmp) [L15] COND FALSE !(!(cond)) [L31] RET __VERIFIER_assert(p<=tmp) [L32] *p = 1 [L29] p++ [L29] COND TRUE p <= pathlim [L31] CALL __VERIFIER_assert(p<=tmp) [L15] COND FALSE !(!(cond)) [L31] RET __VERIFIER_assert(p<=tmp) [L32] *p = 1 [L29] p++ [L29] COND TRUE p <= pathlim [L31] CALL __VERIFIER_assert(p<=tmp) [L15] COND TRUE !(cond) [L16] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.3s, OverallIterations: 3, TraceHistogramMax: 3, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 50 SDtfs, 150 SDslu, 205 SDs, 0 SdLazy, 303 SolverSat, 36 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred in iteration=2, 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, 2 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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 RESULT: Ultimate proved your program to be incorrect! Received shutdown request...