/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-c225d54 [2021-05-02 17:50:27,474 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-02 17:50:27,476 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-02 17:50:27,512 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-05-02 17:50:27,513 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-05-02 17:50:27,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-05-02 17:50:27,519 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-05-02 17:50:27,527 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-05-02 17:50:27,529 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-05-02 17:50:27,533 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-05-02 17:50:27,534 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-05-02 17:50:27,535 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-05-02 17:50:27,536 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-02 17:50:27,538 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-02 17:50:27,540 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-02 17:50:27,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-02 17:50:27,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-02 17:50:27,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-02 17:50:27,543 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-02 17:50:27,544 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-02 17:50:27,545 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-02 17:50:27,546 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-02 17:50:27,547 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-02 17:50:27,548 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-02 17:50:27,550 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-05-02 17:50:27,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-02 17:50:27,557 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-02 17:50:27,558 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-02 17:50:27,566 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2021-05-02 17:50:27,576 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-02 17:50:27,598 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-02 17:50:27,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-02 17:50:27,600 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-02 17:50:27,601 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-02 17:50:27,601 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-02 17:50:27,601 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-02 17:50:27,601 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-02 17:50:27,601 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-02 17:50:27,601 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-02 17:50:27,602 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-02 17:50:27,602 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-02 17:50:27,602 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-02 17:50:27,602 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-02 17:50:27,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-02 17:50:27,602 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-02 17:50:27,603 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-02 17:50:27,603 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-02 17:50:27,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-02 17:50:27,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-02 17:50:27,603 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-02 17:50:27,604 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-05-02 17:50:27,604 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2021-05-02 17:50:27,941 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-02 17:50:27,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-02 17:50:27,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-02 17:50:27,967 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-02 17:50:27,968 INFO L275 PluginConnector]: CDTParser initialized [2021-05-02 17:50:27,969 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/verisec_NetBSD-libc_loop.i [2021-05-02 17:50:28,040 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/654a45a6b/209754f65b9f4665b8cbadff80f57159/FLAGdbe1e907e [2021-05-02 17:50:28,538 INFO L306 CDTParser]: Found 1 translation units. [2021-05-02 17:50:28,539 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/verisec_NetBSD-libc_loop.i [2021-05-02 17:50:28,546 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/654a45a6b/209754f65b9f4665b8cbadff80f57159/FLAGdbe1e907e [2021-05-02 17:50:29,016 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/654a45a6b/209754f65b9f4665b8cbadff80f57159 [2021-05-02 17:50:29,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-02 17:50:29,021 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-05-02 17:50:29,026 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-02 17:50:29,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-02 17:50:29,030 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-02 17:50:29,031 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.05 05:50:29" (1/1) ... [2021-05-02 17:50:29,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12de0720 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 05:50:29, skipping insertion in model container [2021-05-02 17:50:29,033 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.05 05:50:29" (1/1) ... [2021-05-02 17:50:29,040 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-02 17:50:29,053 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-02 17:50:29,153 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] [2021-05-02 17:50:29,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-02 17:50:29,172 INFO L203 MainTranslator]: Completed pre-run [2021-05-02 17:50:29,185 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] [2021-05-02 17:50:29,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-02 17:50:29,204 INFO L208 MainTranslator]: Completed translation [2021-05-02 17:50:29,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 05:50:29 WrapperNode [2021-05-02 17:50:29,205 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-02 17:50:29,206 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-02 17:50:29,206 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-02 17:50:29,209 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-02 17:50:29,244 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 05:50:29" (1/1) ... [2021-05-02 17:50:29,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 05:50:29" (1/1) ... [2021-05-02 17:50:29,251 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 05:50:29" (1/1) ... [2021-05-02 17:50:29,251 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 05:50:29" (1/1) ... [2021-05-02 17:50:29,284 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 05:50:29" (1/1) ... [2021-05-02 17:50:29,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 05:50:29" (1/1) ... [2021-05-02 17:50:29,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 05:50:29" (1/1) ... [2021-05-02 17:50:29,290 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-02 17:50:29,291 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-02 17:50:29,291 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-02 17:50:29,291 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-02 17:50:29,292 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 05:50:29" (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 [2021-05-02 17:50:29,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-05-02 17:50:29,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-02 17:50:29,363 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-05-02 17:50:29,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-05-02 17:50:29,363 INFO L138 BoogieDeclarations]: Found implementation of procedure glob2 [2021-05-02 17:50:29,364 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-05-02 17:50:29,364 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-05-02 17:50:29,364 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-05-02 17:50:29,364 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-05-02 17:50:29,365 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-05-02 17:50:29,365 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-05-02 17:50:29,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-02 17:50:29,365 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-05-02 17:50:29,365 INFO L130 BoogieDeclarations]: Found specification of procedure glob2 [2021-05-02 17:50:29,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-02 17:50:29,366 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-05-02 17:50:29,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-02 17:50:29,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-05-02 17:50:29,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-02 17:50:29,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-02 17:50:29,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-02 17:50:29,687 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-02 17:50:29,687 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-05-02 17:50:29,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 05:50:29 BoogieIcfgContainer [2021-05-02 17:50:29,689 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-02 17:50:29,689 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2021-05-02 17:50:29,690 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2021-05-02 17:50:29,690 INFO L275 PluginConnector]: IcfgTransformer initialized [2021-05-02 17:50:29,702 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 05:50:29" (1/1) ... [2021-05-02 17:50:29,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 02.05 05:50:29 BasicIcfg [2021-05-02 17:50:29,720 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2021-05-02 17:50:29,721 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-02 17:50:29,721 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-02 17:50:29,724 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-02 17:50:29,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.05 05:50:29" (1/4) ... [2021-05-02 17:50:29,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ec17387 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.05 05:50:29, skipping insertion in model container [2021-05-02 17:50:29,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 05:50:29" (2/4) ... [2021-05-02 17:50:29,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ec17387 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.05 05:50:29, skipping insertion in model container [2021-05-02 17:50:29,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 05:50:29" (3/4) ... [2021-05-02 17:50:29,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ec17387 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.05 05:50:29, skipping insertion in model container [2021-05-02 17:50:29,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 02.05 05:50:29" (4/4) ... [2021-05-02 17:50:29,727 INFO L111 eAbstractionObserver]: Analyzing ICFG verisec_NetBSD-libc_loop.iJordan [2021-05-02 17:50:29,731 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2021-05-02 17:50:29,735 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-02 17:50:29,747 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-02 17:50:29,761 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-02 17:50:29,761 INFO L377 AbstractCegarLoop]: Hoare is false [2021-05-02 17:50:29,761 INFO L378 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2021-05-02 17:50:29,761 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-02 17:50:29,761 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-02 17:50:29,761 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-02 17:50:29,762 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-02 17:50:29,762 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-02 17:50:29,773 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) [2021-05-02 17:50:29,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-05-02 17:50:29,779 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 17:50:29,780 INFO L523 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 17:50:29,780 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 17:50:29,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 17:50:29,785 INFO L82 PathProgramCache]: Analyzing trace with hash 612194795, now seen corresponding path program 1 times [2021-05-02 17:50:29,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 17:50:29,793 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41489848] [2021-05-02 17:50:29,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 17:50:29,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 17:50:30,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-02 17:50:30,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 17:50:30,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-02 17:50:30,194 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 17:50:30,194 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41489848] [2021-05-02 17:50:30,195 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41489848] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-02 17:50:30,195 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-02 17:50:30,195 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-05-02 17:50:30,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065109757] [2021-05-02 17:50:30,205 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-05-02 17:50:30,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 17:50:30,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-05-02 17:50:30,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-05-02 17:50:30,224 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) [2021-05-02 17:50:30,392 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-05-02 17:50:30,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 17:50:30,734 INFO L93 Difference]: Finished difference Result 37 states and 38 transitions. [2021-05-02 17:50:30,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-02 17:50:30,737 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 [2021-05-02 17:50:30,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 17:50:30,743 INFO L225 Difference]: With dead ends: 37 [2021-05-02 17:50:30,743 INFO L226 Difference]: Without dead ends: 26 [2021-05-02 17:50:30,744 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 460.4ms TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-05-02 17:50:30,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-05-02 17:50:30,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2021-05-02 17:50:30,767 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) [2021-05-02 17:50:30,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2021-05-02 17:50:30,769 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 13 [2021-05-02 17:50:30,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 17:50:30,769 INFO L480 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2021-05-02 17:50:30,769 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) [2021-05-02 17:50:30,769 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2021-05-02 17:50:30,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-05-02 17:50:30,770 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 17:50:30,770 INFO L523 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 17:50:30,770 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-02 17:50:30,771 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 17:50:30,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 17:50:30,771 INFO L82 PathProgramCache]: Analyzing trace with hash -1895818048, now seen corresponding path program 1 times [2021-05-02 17:50:30,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 17:50:30,772 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410871735] [2021-05-02 17:50:30,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 17:50:30,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 17:50:30,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-02 17:50:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 17:50:30,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-05-02 17:50:30,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 17:50:30,966 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-02 17:50:30,966 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 17:50:30,967 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410871735] [2021-05-02 17:50:30,967 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410871735] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 17:50:30,967 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [763207036] [2021-05-02 17:50:30,967 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 [2021-05-02 17:50:31,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 17:50:31,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 26 conjunts are in the unsatisfiable core [2021-05-02 17:50:31,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 17:50:31,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 17:50:31,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 17:50:31,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 17:50:31,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 17:50:31,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 17:50:31,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 17:50:31,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 17:50:31,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 17:50:31,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 17:50:31,419 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-02 17:50:31,420 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [763207036] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 17:50:31,420 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-02 17:50:31,420 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 15 [2021-05-02 17:50:31,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329978470] [2021-05-02 17:50:31,422 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-05-02 17:50:31,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 17:50:31,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-05-02 17:50:31,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-05-02 17:50:31,423 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand has 15 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 11 states have internal predecessors, (25), 6 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-05-02 17:50:31,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 17:50:31,875 INFO L93 Difference]: Finished difference Result 32 states and 32 transitions. [2021-05-02 17:50:31,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-02 17:50:31,877 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 11 states have internal predecessors, (25), 6 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 21 [2021-05-02 17:50:31,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 17:50:31,880 INFO L225 Difference]: With dead ends: 32 [2021-05-02 17:50:31,880 INFO L226 Difference]: Without dead ends: 32 [2021-05-02 17:50:31,882 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 503.9ms TimeCoverageRelationStatistics Valid=83, Invalid=379, Unknown=0, NotChecked=0, Total=462 [2021-05-02 17:50:31,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-05-02 17:50:31,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2021-05-02 17:50:31,896 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) [2021-05-02 17:50:31,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2021-05-02 17:50:31,898 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 21 [2021-05-02 17:50:31,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 17:50:31,899 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions. [2021-05-02 17:50:31,899 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 11 states have internal predecessors, (25), 6 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-05-02 17:50:31,899 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2021-05-02 17:50:31,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-05-02 17:50:31,900 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 17:50:31,900 INFO L523 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 17:50:32,131 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-05-02 17:50:32,131 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 17:50:32,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 17:50:32,132 INFO L82 PathProgramCache]: Analyzing trace with hash -1869530475, now seen corresponding path program 2 times [2021-05-02 17:50:32,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 17:50:32,132 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092792092] [2021-05-02 17:50:32,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 17:50:32,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-05-02 17:50:32,153 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-02 17:50:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-05-02 17:50:32,176 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-02 17:50:32,205 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-05-02 17:50:32,205 INFO L624 BasicCegarLoop]: Counterexample might be feasible [2021-05-02 17:50:32,205 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-05-02 17:50:32,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.05 05:50:32 BasicIcfg [2021-05-02 17:50:32,239 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-02 17:50:32,240 INFO L168 Benchmark]: Toolchain (without parser) took 3219.56 ms. Allocated memory was 183.5 MB in the beginning and 261.1 MB in the end (delta: 77.6 MB). Free memory was 148.7 MB in the beginning and 141.7 MB in the end (delta: 7.0 MB). Peak memory consumption was 83.9 MB. Max. memory is 8.0 GB. [2021-05-02 17:50:32,240 INFO L168 Benchmark]: CDTParser took 0.64 ms. Allocated memory is still 183.5 MB. Free memory was 165.9 MB in the beginning and 165.8 MB in the end (delta: 100.3 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-05-02 17:50:32,241 INFO L168 Benchmark]: CACSL2BoogieTranslator took 179.72 ms. Allocated memory is still 183.5 MB. Free memory was 148.5 MB in the beginning and 139.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-05-02 17:50:32,241 INFO L168 Benchmark]: Boogie Preprocessor took 84.11 ms. Allocated memory is still 183.5 MB. Free memory was 138.9 MB in the beginning and 167.0 MB in the end (delta: -28.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-05-02 17:50:32,241 INFO L168 Benchmark]: RCFGBuilder took 397.47 ms. Allocated memory is still 183.5 MB. Free memory was 167.0 MB in the beginning and 152.3 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-05-02 17:50:32,242 INFO L168 Benchmark]: IcfgTransformer took 30.38 ms. Allocated memory is still 183.5 MB. Free memory was 152.3 MB in the beginning and 151.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-05-02 17:50:32,242 INFO L168 Benchmark]: TraceAbstraction took 2518.06 ms. Allocated memory was 183.5 MB in the beginning and 261.1 MB in the end (delta: 77.6 MB). Free memory was 150.6 MB in the beginning and 141.7 MB in the end (delta: 8.9 MB). Peak memory consumption was 86.9 MB. Max. memory is 8.0 GB. [2021-05-02 17:50:32,244 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64 ms. Allocated memory is still 183.5 MB. Free memory was 165.9 MB in the beginning and 165.8 MB in the end (delta: 100.3 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 179.72 ms. Allocated memory is still 183.5 MB. Free memory was 148.5 MB in the beginning and 139.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 84.11 ms. Allocated memory is still 183.5 MB. Free memory was 138.9 MB in the beginning and 167.0 MB in the end (delta: -28.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 397.47 ms. Allocated memory is still 183.5 MB. Free memory was 167.0 MB in the beginning and 152.3 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * IcfgTransformer took 30.38 ms. Allocated memory is still 183.5 MB. Free memory was 152.3 MB in the beginning and 151.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2518.06 ms. Allocated memory was 183.5 MB in the beginning and 261.1 MB in the end (delta: 77.6 MB). Free memory was 150.6 MB in the beginning and 141.7 MB in the end (delta: 8.9 MB). Peak memory consumption was 86.9 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)=52, \old(tmp)=56, 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: 2447.2ms, OverallIterations: 3, TraceHistogramMax: 3, EmptinessCheckTime: 10.7ms, AutomataDifference: 996.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 22 SDtfs, 78 SDslu, 89 SDs, 0 SdLazy, 235 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 237.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 964.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=2, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 30.3ms AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 29.3ms SsaConstructionTime, 119.5ms SatisfiabilityAnalysisTime, 824.4ms InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 302 SizeOfPredicates, 7 NumberOfNonLiveVariables, 150 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 3/8 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...