/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/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/loops/verisec_NetBSD-libc_loop.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-6253b08 [2021-05-06 05:32:03,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-06 05:32:03,793 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-06 05:32:03,833 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-05-06 05:32:03,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-06 05:32:03,856 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-06 05:32:03,858 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-06 05:32:03,859 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-06 05:32:03,862 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-06 05:32:03,863 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-06 05:32:03,865 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-06 05:32:03,869 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-06 05:32:03,871 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-06 05:32:03,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-06 05:32:03,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-06 05:32:03,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-06 05:32:03,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-05-06 05:32:03,883 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-06 05:32:03,904 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-06 05:32:03,905 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-06 05:32:03,907 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2021-05-06 05:32:03,923 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-06 05:32:03,923 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-06 05:32:03,924 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-06 05:32:03,924 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-06 05:32:03,924 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-06 05:32:03,924 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-06 05:32:03,924 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-06 05:32:03,925 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-06 05:32:03,925 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-06 05:32:03,925 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-06 05:32:03,925 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-06 05:32:03,925 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-06 05:32:03,925 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-06 05:32:03,925 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-06 05:32:03,926 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-06 05:32:03,926 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-06 05:32:03,926 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-06 05:32:03,926 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-06 05:32:03,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-06 05:32:03,926 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-06 05:32:03,926 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-06 05:32:03,927 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-05-06 05:32:03,927 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2021-05-06 05:32:04,246 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-06 05:32:04,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-06 05:32:04,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-06 05:32:04,270 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-06 05:32:04,270 INFO L275 PluginConnector]: CDTParser initialized [2021-05-06 05:32:04,271 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/verisec_NetBSD-libc_loop.i [2021-05-06 05:32:04,317 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57ecdb918/148d858f774e484185cbf8bdc55d5d6b/FLAGe8df6b856 [2021-05-06 05:32:04,744 INFO L306 CDTParser]: Found 1 translation units. [2021-05-06 05:32:04,745 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/verisec_NetBSD-libc_loop.i [2021-05-06 05:32:04,750 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57ecdb918/148d858f774e484185cbf8bdc55d5d6b/FLAGe8df6b856 [2021-05-06 05:32:04,762 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57ecdb918/148d858f774e484185cbf8bdc55d5d6b [2021-05-06 05:32:04,764 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-06 05:32:04,765 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-05-06 05:32:04,767 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-06 05:32:04,768 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-06 05:32:04,771 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-06 05:32:04,772 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 05:32:04" (1/1) ... [2021-05-06 05:32:04,773 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24937a63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:32:04, skipping insertion in model container [2021-05-06 05:32:04,773 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 05:32:04" (1/1) ... [2021-05-06 05:32:04,779 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-06 05:32:04,800 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-06 05:32:04,896 WARN L224 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] [2021-05-06 05:32:04,911 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-06 05:32:04,917 INFO L203 MainTranslator]: Completed pre-run [2021-05-06 05:32:04,955 WARN L224 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] [2021-05-06 05:32:04,959 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-06 05:32:04,974 INFO L208 MainTranslator]: Completed translation [2021-05-06 05:32:04,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:32:04 WrapperNode [2021-05-06 05:32:04,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-06 05:32:04,975 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-06 05:32:04,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-06 05:32:04,985 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-06 05:32:04,995 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:32:04" (1/1) ... [2021-05-06 05:32:04,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:32:04" (1/1) ... [2021-05-06 05:32:05,001 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:32:04" (1/1) ... [2021-05-06 05:32:05,002 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:32:04" (1/1) ... [2021-05-06 05:32:05,020 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:32:04" (1/1) ... [2021-05-06 05:32:05,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:32:04" (1/1) ... [2021-05-06 05:32:05,024 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:32:04" (1/1) ... [2021-05-06 05:32:05,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-06 05:32:05,026 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-06 05:32:05,026 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-06 05:32:05,026 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-06 05:32:05,027 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:32:04" (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 [2021-05-06 05:32:05,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-05-06 05:32:05,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-06 05:32:05,105 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-05-06 05:32:05,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-05-06 05:32:05,105 INFO L138 BoogieDeclarations]: Found implementation of procedure glob2 [2021-05-06 05:32:05,105 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-05-06 05:32:05,106 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-05-06 05:32:05,106 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-05-06 05:32:05,106 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-05-06 05:32:05,107 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-05-06 05:32:05,107 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-05-06 05:32:05,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-06 05:32:05,107 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-05-06 05:32:05,107 INFO L130 BoogieDeclarations]: Found specification of procedure glob2 [2021-05-06 05:32:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-06 05:32:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-05-06 05:32:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-06 05:32:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-05-06 05:32:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-06 05:32:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-06 05:32:05,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-06 05:32:05,451 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-06 05:32:05,452 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-05-06 05:32:05,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 05:32:05 BoogieIcfgContainer [2021-05-06 05:32:05,453 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-06 05:32:05,454 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2021-05-06 05:32:05,454 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2021-05-06 05:32:05,454 INFO L275 PluginConnector]: IcfgTransformer initialized [2021-05-06 05:32:05,457 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 05:32:05" (1/1) ... [2021-05-06 05:32:05,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 06.05 05:32:05 BasicIcfg [2021-05-06 05:32:05,469 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2021-05-06 05:32:05,470 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-06 05:32:05,471 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-06 05:32:05,473 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-06 05:32:05,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.05 05:32:04" (1/4) ... [2021-05-06 05:32:05,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a9572fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 05:32:05, skipping insertion in model container [2021-05-06 05:32:05,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:32:04" (2/4) ... [2021-05-06 05:32:05,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a9572fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 05:32:05, skipping insertion in model container [2021-05-06 05:32:05,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 05:32:05" (3/4) ... [2021-05-06 05:32:05,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a9572fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.05 05:32:05, skipping insertion in model container [2021-05-06 05:32:05,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 06.05 05:32:05" (4/4) ... [2021-05-06 05:32:05,476 INFO L111 eAbstractionObserver]: Analyzing ICFG verisec_NetBSD-libc_loop.iJordan [2021-05-06 05:32:05,481 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2021-05-06 05:32:05,484 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-06 05:32:05,498 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-06 05:32:05,518 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-06 05:32:05,518 INFO L377 AbstractCegarLoop]: Hoare is false [2021-05-06 05:32:05,518 INFO L378 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2021-05-06 05:32:05,518 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-06 05:32:05,519 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-06 05:32:05,519 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-06 05:32:05,519 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-06 05:32:05,519 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-06 05:32:05,533 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 16 states have (on average 1.25) internal successors, (20), 17 states have internal predecessors, (20), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-05-06 05:32:05,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-05-06 05:32:05,540 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 05:32:05,540 INFO L523 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 05:32:05,541 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 05:32:05,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 05:32:05,548 INFO L82 PathProgramCache]: Analyzing trace with hash 612194795, now seen corresponding path program 1 times [2021-05-06 05:32:05,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 05:32:05,556 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600869719] [2021-05-06 05:32:05,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 05:32:05,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 05:32:05,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-06 05:32:05,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 05:32:05,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-06 05:32:05,895 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 05:32:05,895 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600869719] [2021-05-06 05:32:05,896 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600869719] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-06 05:32:05,896 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-06 05:32:05,896 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-05-06 05:32:05,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228561879] [2021-05-06 05:32:05,900 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-05-06 05:32:05,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 05:32:05,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-05-06 05:32:05,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-05-06 05:32:05,911 INFO L87 Difference]: Start difference. First operand has 26 states, 16 states have (on average 1.25) internal successors, (20), 17 states have internal predecessors, (20), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 5 states have internal predecessors, (8), 3 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-06 05:32:06,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 05:32:06,248 INFO L93 Difference]: Finished difference Result 37 states and 38 transitions. [2021-05-06 05:32:06,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-06 05:32:06,250 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 5 states have internal predecessors, (8), 3 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2021-05-06 05:32:06,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 05:32:06,256 INFO L225 Difference]: With dead ends: 37 [2021-05-06 05:32:06,256 INFO L226 Difference]: Without dead ends: 26 [2021-05-06 05:32:06,258 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 279.6ms TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-05-06 05:32:06,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-05-06 05:32:06,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2021-05-06 05:32:06,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 16 states have internal predecessors, (16), 5 states have call successors, (5), 5 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-05-06 05:32:06,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2021-05-06 05:32:06,283 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 13 [2021-05-06 05:32:06,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 05:32:06,283 INFO L480 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2021-05-06 05:32:06,284 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 5 states have internal predecessors, (8), 3 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-06 05:32:06,284 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2021-05-06 05:32:06,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-05-06 05:32:06,284 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 05:32:06,285 INFO L523 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 05:32:06,285 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-06 05:32:06,285 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 05:32:06,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 05:32:06,286 INFO L82 PathProgramCache]: Analyzing trace with hash -1895818048, now seen corresponding path program 1 times [2021-05-06 05:32:06,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 05:32:06,286 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564379963] [2021-05-06 05:32:06,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 05:32:06,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 05:32:06,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-06 05:32:06,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 05:32:06,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-05-06 05:32:06,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 05:32:06,419 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-06 05:32:06,419 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 05:32:06,419 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564379963] [2021-05-06 05:32:06,419 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564379963] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 05:32:06,419 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1255065228] [2021-05-06 05:32:06,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 05:32:06,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 05:32:06,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 18 conjunts are in the unsatisfiable core [2021-05-06 05:32:06,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 05:32:06,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 05:32:06,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 05:32:06,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 05:32:06,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 05:32:06,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 05:32:06,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 05:32:06,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 05:32:06,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 05:32:06,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 05:32:06,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 05:32:06,768 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-06 05:32:06,768 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1255065228] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 05:32:06,768 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-06 05:32:06,768 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 14 [2021-05-06 05:32:06,769 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412718758] [2021-05-06 05:32:06,770 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-05-06 05:32:06,770 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 05:32:06,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-05-06 05:32:06,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-05-06 05:32:06,771 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand has 14 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 9 states have internal predecessors, (22), 6 states have call successors, (9), 6 states have call predecessors, (9), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-05-06 05:32:07,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 05:32:07,052 INFO L93 Difference]: Finished difference Result 34 states and 34 transitions. [2021-05-06 05:32:07,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-06 05:32:07,053 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 9 states have internal predecessors, (22), 6 states have call successors, (9), 6 states have call predecessors, (9), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 21 [2021-05-06 05:32:07,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 05:32:07,054 INFO L225 Difference]: With dead ends: 34 [2021-05-06 05:32:07,054 INFO L226 Difference]: Without dead ends: 34 [2021-05-06 05:32:07,055 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 292.0ms TimeCoverageRelationStatistics Valid=72, Invalid=308, Unknown=0, NotChecked=0, Total=380 [2021-05-06 05:32:07,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-05-06 05:32:07,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2021-05-06 05:32:07,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 21 states have (on average 1.0476190476190477) internal successors, (22), 22 states have internal predecessors, (22), 6 states have call successors, (6), 6 states have call predecessors, (6), 4 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2021-05-06 05:32:07,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2021-05-06 05:32:07,060 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 21 [2021-05-06 05:32:07,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 05:32:07,060 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions. [2021-05-06 05:32:07,060 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 9 states have internal predecessors, (22), 6 states have call successors, (9), 6 states have call predecessors, (9), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-05-06 05:32:07,060 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2021-05-06 05:32:07,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-05-06 05:32:07,061 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 05:32:07,061 INFO L523 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 05:32:07,285 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-05-06 05:32:07,285 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 05:32:07,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 05:32:07,286 INFO L82 PathProgramCache]: Analyzing trace with hash -1869530475, now seen corresponding path program 2 times [2021-05-06 05:32:07,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 05:32:07,286 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012926313] [2021-05-06 05:32:07,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 05:32:07,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-05-06 05:32:07,314 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-06 05:32:07,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-05-06 05:32:07,355 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-06 05:32:07,382 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-05-06 05:32:07,382 INFO L624 BasicCegarLoop]: Counterexample might be feasible [2021-05-06 05:32:07,383 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-05-06 05:32:07,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.05 05:32:07 BasicIcfg [2021-05-06 05:32:07,416 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-06 05:32:07,417 INFO L168 Benchmark]: Toolchain (without parser) took 2651.44 ms. Allocated memory was 195.0 MB in the beginning and 265.3 MB in the end (delta: 70.3 MB). Free memory was 159.9 MB in the beginning and 163.7 MB in the end (delta: -3.8 MB). Peak memory consumption was 67.1 MB. Max. memory is 8.0 GB. [2021-05-06 05:32:07,417 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 195.0 MB. Free memory is still 176.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-05-06 05:32:07,418 INFO L168 Benchmark]: CACSL2BoogieTranslator took 207.26 ms. Allocated memory is still 195.0 MB. Free memory was 159.7 MB in the beginning and 178.1 MB in the end (delta: -18.4 MB). Peak memory consumption was 12.8 MB. Max. memory is 8.0 GB. [2021-05-06 05:32:07,422 INFO L168 Benchmark]: Boogie Preprocessor took 49.74 ms. Allocated memory is still 195.0 MB. Free memory was 178.1 MB in the beginning and 176.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-05-06 05:32:07,423 INFO L168 Benchmark]: RCFGBuilder took 427.11 ms. Allocated memory is still 195.0 MB. Free memory was 176.6 MB in the beginning and 161.4 MB in the end (delta: 15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-05-06 05:32:07,423 INFO L168 Benchmark]: IcfgTransformer took 15.60 ms. Allocated memory is still 195.0 MB. Free memory was 161.4 MB in the beginning and 160.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-05-06 05:32:07,423 INFO L168 Benchmark]: TraceAbstraction took 1945.54 ms. Allocated memory was 195.0 MB in the beginning and 265.3 MB in the end (delta: 70.3 MB). Free memory was 159.8 MB in the beginning and 163.7 MB in the end (delta: -3.9 MB). Peak memory consumption was 66.9 MB. Max. memory is 8.0 GB. [2021-05-06 05:32:07,424 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 195.0 MB. Free memory is still 176.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 207.26 ms. Allocated memory is still 195.0 MB. Free memory was 159.7 MB in the beginning and 178.1 MB in the end (delta: -18.4 MB). Peak memory consumption was 12.8 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 49.74 ms. Allocated memory is still 195.0 MB. Free memory was 178.1 MB in the beginning and 176.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 427.11 ms. Allocated memory is still 195.0 MB. Free memory was 176.6 MB in the beginning and 161.4 MB in the end (delta: 15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * IcfgTransformer took 15.60 ms. Allocated memory is still 195.0 MB. Free memory was 161.4 MB in the beginning and 160.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1945.54 ms. Allocated memory was 195.0 MB in the beginning and 265.3 MB in the end (delta: 70.3 MB). Free memory was 159.8 MB in the beginning and 163.7 MB in the end (delta: -3.9 MB). Peak memory consumption was 66.9 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; VAL [\old(tmp)=56, \old(tmp)=52, tmp={0:0}] [L40] Char pathbuf[1 +1]; [L42] Char *bound = pathbuf + sizeof(pathbuf) - 1; [L44] tmp = pathbuf + sizeof(pathbuf)/sizeof(*pathbuf) - 1 VAL [\old(tmp)=0, \old(tmp)=0, bound={3:28}, pathbuf={3:0}, tmp={3:4}] [L46] CALL glob2 (pathbuf, bound) VAL [\old(tmp)=0, \old(tmp)=0, pathbuf={3:0}, pathlim={3:28}, tmp={3:4}] [L27] Char *p; [L29] p = pathbuf VAL [\old(tmp)=0, \old(tmp)=0, p={3:0}, pathbuf={3:0}, pathbuf={3:0}, pathlim={3:28}, pathlim={3:28}, tmp={3:4}] [L29] COND TRUE p <= pathlim VAL [\old(tmp)=0, \old(tmp)=0, p={3:0}, pathbuf={3:0}, pathbuf={3:0}, pathlim={3:28}, pathlim={3:28}, tmp={3:4}] [L31] CALL __VERIFIER_assert(p<=tmp) VAL [\old(cond)=1, \old(tmp)=0, \old(tmp)=0, tmp={3:4}] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(tmp)=0, \old(tmp)=0, cond=1, tmp={3:4}] [L31] RET __VERIFIER_assert(p<=tmp) VAL [\old(tmp)=0, \old(tmp)=0, p={3:0}, pathbuf={3:0}, pathbuf={3:0}, pathlim={3:28}, pathlim={3:28}, tmp={3:4}] [L32] *p = 1 VAL [\old(tmp)=0, \old(tmp)=0, p={3:0}, pathbuf={3:0}, pathbuf={3:0}, pathlim={3:28}, pathlim={3:28}, tmp={3:4}] [L29] p++ VAL [\old(tmp)=0, \old(tmp)=0, p={3:4}, pathbuf={3:0}, pathbuf={3:0}, pathlim={3:28}, pathlim={3:28}, tmp={3:4}] [L29] COND TRUE p <= pathlim VAL [\old(tmp)=0, \old(tmp)=0, p={3:4}, pathbuf={3:0}, pathbuf={3:0}, pathlim={3:28}, pathlim={3:28}, tmp={3:4}] [L31] CALL __VERIFIER_assert(p<=tmp) VAL [\old(cond)=1, \old(tmp)=0, \old(tmp)=0, tmp={3:4}] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(tmp)=0, \old(tmp)=0, cond=1, tmp={3:4}] [L31] RET __VERIFIER_assert(p<=tmp) VAL [\old(tmp)=0, \old(tmp)=0, p={3:4}, pathbuf={3:0}, pathbuf={3:0}, pathlim={3:28}, pathlim={3:28}, tmp={3:4}] [L32] *p = 1 VAL [\old(tmp)=0, \old(tmp)=0, p={3:4}, pathbuf={3:0}, pathbuf={3:0}, pathlim={3:28}, pathlim={3:28}, tmp={3:4}] [L29] p++ VAL [\old(tmp)=0, \old(tmp)=0, p={3:8}, pathbuf={3:0}, pathbuf={3:0}, pathlim={3:28}, pathlim={3:28}, tmp={3:4}] [L29] COND TRUE p <= pathlim VAL [\old(tmp)=0, \old(tmp)=0, p={3:8}, pathbuf={3:0}, pathbuf={3:0}, pathlim={3:28}, pathlim={3:28}, tmp={3:4}] [L31] CALL __VERIFIER_assert(p<=tmp) VAL [\old(cond)=0, \old(tmp)=0, \old(tmp)=0, tmp={3:4}] [L15] COND TRUE !(cond) VAL [\old(cond)=0, \old(tmp)=0, \old(tmp)=0, cond=0, tmp={3:4}] [L16] reach_error() VAL [\old(cond)=0, \old(tmp)=0, \old(tmp)=0, cond=0, tmp={3:4}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 26 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1870.6ms, OverallIterations: 3, TraceHistogramMax: 3, EmptinessCheckTime: 12.0ms, AutomataDifference: 641.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 23 SDtfs, 74 SDslu, 90 SDs, 0 SdLazy, 240 SolverSat, 31 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 188.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 571.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=2, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 19.2ms AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 26.4ms SsaConstructionTime, 124.3ms SatisfiabilityAnalysisTime, 589.0ms InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 294 SizeOfPredicates, 6 NumberOfNonLiveVariables, 150 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 4/8 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 RESULT: Ultimate proved your program to be incorrect! Received shutdown request...