/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-regression/callfpointer.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 06:17:22,932 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 06:17:22,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 06:17:22,989 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 06:17:22,990 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 06:17:22,993 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 06:17:22,998 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 06:17:23,003 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 06:17:23,007 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 06:17:23,014 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 06:17:23,019 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 06:17:23,020 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 06:17:23,021 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 06:17:23,024 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 06:17:23,026 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 06:17:23,028 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 06:17:23,029 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 06:17:23,034 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 06:17:23,042 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 06:17:23,047 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 06:17:23,052 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 06:17:23,054 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 06:17:23,055 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 06:17:23,058 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 06:17:23,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 06:17:23,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 06:17:23,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 06:17:23,071 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 06:17:23,072 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 06:17:23,073 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 06:17:23,074 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 06:17:23,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 06:17:23,077 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 06:17:23,078 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 06:17:23,079 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 06:17:23,080 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 06:17:23,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 06:17:23,081 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 06:17:23,081 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 06:17:23,082 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 06:17:23,083 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 06:17:23,084 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 06:17:23,145 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 06:17:23,146 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 06:17:23,150 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 06:17:23,150 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 06:17:23,151 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 06:17:23,151 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 06:17:23,151 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 06:17:23,151 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 06:17:23,152 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 06:17:23,152 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 06:17:23,153 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 06:17:23,153 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 06:17:23,153 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 06:17:23,154 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 06:17:23,154 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 06:17:23,154 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 06:17:23,154 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 06:17:23,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 06:17:23,155 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 06:17:23,155 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 06:17:23,155 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 06:17:23,155 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 06:17:23,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 06:17:23,156 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 06:17:23,156 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 06:17:23,156 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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-bitabs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 06:17:23,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 06:17:23,574 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 06:17:23,577 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 06:17:23,579 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 06:17:23,583 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 06:17:23,584 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/callfpointer.i [2020-12-23 06:17:23,684 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/b6cb1a0f8/4ad1b4deb108428d90b7d599596c3746/FLAG890e4ab88 [2020-12-23 06:17:24,252 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 06:17:24,252 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/ldv-regression/callfpointer.i [2020-12-23 06:17:24,263 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/b6cb1a0f8/4ad1b4deb108428d90b7d599596c3746/FLAG890e4ab88 [2020-12-23 06:17:24,643 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/b6cb1a0f8/4ad1b4deb108428d90b7d599596c3746 [2020-12-23 06:17:24,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 06:17:24,650 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 06:17:24,653 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 06:17:24,653 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 06:17:24,657 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 06:17:24,659 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 06:17:24" (1/1) ... [2020-12-23 06:17:24,661 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@773c3bf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:17:24, skipping insertion in model container [2020-12-23 06:17:24,661 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 06:17:24" (1/1) ... [2020-12-23 06:17:24,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 06:17:24,689 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-23 06:17:24,914 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/ldv-regression/callfpointer.i[335,348] [2020-12-23 06:17:24,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 06:17:24,943 INFO L203 MainTranslator]: Completed pre-run [2020-12-23 06:17:24,956 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/ldv-regression/callfpointer.i[335,348] [2020-12-23 06:17:24,957 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 06:17:24,971 INFO L208 MainTranslator]: Completed translation [2020-12-23 06:17:24,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:17:24 WrapperNode [2020-12-23 06:17:24,972 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 06:17:24,973 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 06:17:24,974 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 06:17:24,974 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 06:17:24,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:17:24" (1/1) ... [2020-12-23 06:17:24,988 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:17:24" (1/1) ... [2020-12-23 06:17:25,007 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 06:17:25,008 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 06:17:25,008 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 06:17:25,009 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 06:17:25,018 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:17:24" (1/1) ... [2020-12-23 06:17:25,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:17:24" (1/1) ... [2020-12-23 06:17:25,020 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:17:24" (1/1) ... [2020-12-23 06:17:25,020 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:17:24" (1/1) ... [2020-12-23 06:17:25,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:17:24" (1/1) ... [2020-12-23 06:17:25,026 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:17:24" (1/1) ... [2020-12-23 06:17:25,027 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:17:24" (1/1) ... [2020-12-23 06:17:25,029 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 06:17:25,030 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 06:17:25,030 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 06:17:25,030 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 06:17:25,031 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:17:24" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/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 [2020-12-23 06:17:25,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 06:17:25,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 06:17:25,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 06:17:25,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 06:17:25,307 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 06:17:25,307 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2020-12-23 06:17:25,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 06:17:25 BoogieIcfgContainer [2020-12-23 06:17:25,309 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 06:17:25,312 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 06:17:25,312 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 06:17:25,315 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 06:17:25,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 06:17:24" (1/3) ... [2020-12-23 06:17:25,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5011a0bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 06:17:25, skipping insertion in model container [2020-12-23 06:17:25,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:17:24" (2/3) ... [2020-12-23 06:17:25,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5011a0bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 06:17:25, skipping insertion in model container [2020-12-23 06:17:25,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 06:17:25" (3/3) ... [2020-12-23 06:17:25,320 INFO L111 eAbstractionObserver]: Analyzing ICFG callfpointer.i [2020-12-23 06:17:25,327 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 06:17:25,331 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 06:17:25,351 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 06:17:25,378 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 06:17:25,379 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 06:17:25,379 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 06:17:25,379 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 06:17:25,379 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 06:17:25,379 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 06:17:25,379 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 06:17:25,380 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 06:17:25,394 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-12-23 06:17:25,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-23 06:17:25,409 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 06:17:25,410 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-12-23 06:17:25,411 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 06:17:25,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 06:17:25,423 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2020-12-23 06:17:25,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 06:17:25,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395770916] [2020-12-23 06:17:25,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 06:17:25,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 06:17:25,571 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 06:17:25,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 06:17:25,593 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 06:17:25,616 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-23 06:17:25,617 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-23 06:17:25,618 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 06:17:25,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 06:17:25 BoogieIcfgContainer [2020-12-23 06:17:25,638 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 06:17:25,639 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 06:17:25,639 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 06:17:25,639 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 06:17:25,640 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 06:17:25" (3/4) ... [2020-12-23 06:17:25,642 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-23 06:17:25,679 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/ldv-regression/callfpointer.i-witness.graphml [2020-12-23 06:17:25,679 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 06:17:25,682 INFO L168 Benchmark]: Toolchain (without parser) took 1030.67 ms. Allocated memory is still 158.3 MB. Free memory was 134.5 MB in the beginning and 132.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.3 MB. Max. memory is 8.0 GB. [2020-12-23 06:17:25,682 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 158.3 MB. Free memory is still 133.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 06:17:25,686 INFO L168 Benchmark]: CACSL2BoogieTranslator took 319.76 ms. Allocated memory is still 158.3 MB. Free memory was 134.3 MB in the beginning and 125.2 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-12-23 06:17:25,687 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.99 ms. Allocated memory is still 158.3 MB. Free memory was 125.2 MB in the beginning and 123.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-23 06:17:25,688 INFO L168 Benchmark]: Boogie Preprocessor took 20.91 ms. Allocated memory is still 158.3 MB. Free memory was 123.7 MB in the beginning and 122.9 MB in the end (delta: 821.6 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-23 06:17:25,689 INFO L168 Benchmark]: RCFGBuilder took 279.48 ms. Allocated memory is still 158.3 MB. Free memory was 122.9 MB in the beginning and 112.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-12-23 06:17:25,690 INFO L168 Benchmark]: TraceAbstraction took 326.42 ms. Allocated memory is still 158.3 MB. Free memory was 111.8 MB in the beginning and 134.3 MB in the end (delta: -22.5 MB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 06:17:25,691 INFO L168 Benchmark]: Witness Printer took 40.46 ms. Allocated memory is still 158.3 MB. Free memory was 134.3 MB in the beginning and 132.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-23 06:17:25,696 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 158.3 MB. Free memory is still 133.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 319.76 ms. Allocated memory is still 158.3 MB. Free memory was 134.3 MB in the beginning and 125.2 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 33.99 ms. Allocated memory is still 158.3 MB. Free memory was 125.2 MB in the beginning and 123.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 20.91 ms. Allocated memory is still 158.3 MB. Free memory was 123.7 MB in the beginning and 122.9 MB in the end (delta: 821.6 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 279.48 ms. Allocated memory is still 158.3 MB. Free memory was 122.9 MB in the beginning and 112.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 326.42 ms. Allocated memory is still 158.3 MB. Free memory was 111.8 MB in the beginning and 134.3 MB in the end (delta: -22.5 MB). There was no memory consumed. Max. memory is 8.0 GB. * Witness Printer took 40.46 ms. Allocated memory is still 158.3 MB. Free memory was 134.3 MB in the beginning and 132.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 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: [L15] COND TRUE i==1 [L16] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...