/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/callfpointer.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 13:35:49,134 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 13:35:49,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 13:35:49,182 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-23 13:35:49,183 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-23 13:35:49,188 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-23 13:35:49,191 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-23 13:35:49,199 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-23 13:35:49,202 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-23 13:35:49,208 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-23 13:35:49,210 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-23 13:35:49,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-23 13:35:49,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 13:35:49,215 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 13:35:49,217 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 13:35:49,219 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 13:35:49,223 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 13:35:49,247 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 13:35:49,255 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 13:35:49,263 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 13:35:49,265 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 13:35:49,268 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 13:35:49,270 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 13:35:49,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 13:35:49,282 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-23 13:35:49,294 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 13:35:49,295 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 13:35:49,296 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 13:35:49,297 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2021-02-23 13:35:49,356 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 13:35:49,356 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 13:35:49,361 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-23 13:35:49,361 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-23 13:35:49,362 INFO L138 SettingsManager]: * Use SBE=true [2021-02-23 13:35:49,362 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 13:35:49,362 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 13:35:49,362 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 13:35:49,363 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 13:35:49,363 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 13:35:49,364 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 13:35:49,364 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 13:35:49,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 13:35:49,365 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 13:35:49,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 13:35:49,365 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 13:35:49,365 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 13:35:49,366 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 13:35:49,366 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-23 13:35:49,366 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 13:35:49,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 13:35:49,367 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 13:35:49,367 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-23 13:35:49,367 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-23 13:35:49,367 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-23 13:35:49,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-23 13:35:49,368 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 13:35:49,368 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-23 13:35:49,368 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/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-23 13:35:49,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 13:35:49,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 13:35:49,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 13:35:49,821 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 13:35:49,822 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 13:35:49,823 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/callfpointer.i [2021-02-23 13:35:49,900 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b9b1bf0e/61b26d46f92e4819aee646a216e0738a/FLAGb36de4691 [2021-02-23 13:35:50,464 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 13:35:50,465 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/callfpointer.i [2021-02-23 13:35:50,472 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b9b1bf0e/61b26d46f92e4819aee646a216e0738a/FLAGb36de4691 [2021-02-23 13:35:50,829 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b9b1bf0e/61b26d46f92e4819aee646a216e0738a [2021-02-23 13:35:50,832 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 13:35:50,844 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 13:35:50,846 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 13:35:50,846 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 13:35:50,850 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 13:35:50,851 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 01:35:50" (1/1) ... [2021-02-23 13:35:50,852 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37e78e36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:35:50, skipping insertion in model container [2021-02-23 13:35:50,852 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 01:35:50" (1/1) ... [2021-02-23 13:35:50,860 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 13:35:50,874 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 13:35:51,025 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/callfpointer.i[335,348] [2021-02-23 13:35:51,031 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 13:35:51,043 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 13:35:51,058 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/callfpointer.i[335,348] [2021-02-23 13:35:51,059 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 13:35:51,077 INFO L208 MainTranslator]: Completed translation [2021-02-23 13:35:51,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:35:51 WrapperNode [2021-02-23 13:35:51,078 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 13:35:51,079 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 13:35:51,079 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 13:35:51,080 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 13:35:51,094 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:35:51" (1/1) ... [2021-02-23 13:35:51,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:35:51" (1/1) ... [2021-02-23 13:35:51,103 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:35:51" (1/1) ... [2021-02-23 13:35:51,103 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:35:51" (1/1) ... [2021-02-23 13:35:51,109 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:35:51" (1/1) ... [2021-02-23 13:35:51,111 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:35:51" (1/1) ... [2021-02-23 13:35:51,112 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:35:51" (1/1) ... [2021-02-23 13:35:51,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 13:35:51,115 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 13:35:51,116 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 13:35:51,116 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 13:35:51,117 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:35:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 13:35:51,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 13:35:51,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 13:35:51,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-02-23 13:35:51,238 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 13:35:51,238 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-02-23 13:35:51,239 INFO L138 BoogieDeclarations]: Found implementation of procedure h [2021-02-23 13:35:51,239 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 13:35:51,239 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 13:35:51,240 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 13:35:51,240 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 13:35:51,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 13:35:51,241 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-02-23 13:35:51,242 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-02-23 13:35:51,243 INFO L130 BoogieDeclarations]: Found specification of procedure h [2021-02-23 13:35:51,244 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 13:35:51,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 13:35:51,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 13:35:51,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 13:35:51,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 13:35:51,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 13:35:51,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 13:35:51,654 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 13:35:51,654 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-23 13:35:51,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 01:35:51 BoogieIcfgContainer [2021-02-23 13:35:51,656 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 13:35:51,669 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 13:35:51,670 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 13:35:51,673 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 13:35:51,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 01:35:50" (1/3) ... [2021-02-23 13:35:51,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a05d7a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 01:35:51, skipping insertion in model container [2021-02-23 13:35:51,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:35:51" (2/3) ... [2021-02-23 13:35:51,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a05d7a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 01:35:51, skipping insertion in model container [2021-02-23 13:35:51,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 01:35:51" (3/3) ... [2021-02-23 13:35:51,678 INFO L111 eAbstractionObserver]: Analyzing ICFG callfpointer.i [2021-02-23 13:35:51,686 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-23 13:35:51,691 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 13:35:51,728 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 13:35:51,784 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 13:35:51,785 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 13:35:51,785 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-23 13:35:51,785 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 13:35:51,785 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 13:35:51,786 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 13:35:51,786 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 13:35:51,786 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 13:35:51,818 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2021-02-23 13:35:51,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-02-23 13:35:51,826 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:35:51,827 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 13:35:51,827 INFO L428 AbstractCegarLoop]: === Iteration 1 === [hErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:35:51,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:35:51,836 INFO L82 PathProgramCache]: Analyzing trace with hash -74655546, now seen corresponding path program 1 times [2021-02-23 13:35:51,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:35:51,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153646318] [2021-02-23 13:35:51,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:35:52,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-23 13:35:52,044 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-23 13:35:52,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-23 13:35:52,108 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-23 13:35:52,159 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-02-23 13:35:52,160 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-23 13:35:52,161 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 13:35:52,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 01:35:52 BoogieIcfgContainer [2021-02-23 13:35:52,200 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 13:35:52,205 INFO L168 Benchmark]: Toolchain (without parser) took 1368.11 ms. Allocated memory is still 155.2 MB. Free memory was 130.6 MB in the beginning and 125.1 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.8 MB. Max. memory is 8.0 GB. [2021-02-23 13:35:52,208 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 155.2 MB. Free memory is still 128.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 13:35:52,209 INFO L168 Benchmark]: CACSL2BoogieTranslator took 232.83 ms. Allocated memory is still 155.2 MB. Free memory was 129.5 MB in the beginning and 120.5 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-02-23 13:35:52,212 INFO L168 Benchmark]: Boogie Preprocessor took 35.33 ms. Allocated memory is still 155.2 MB. Free memory was 120.3 MB in the beginning and 119.1 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-02-23 13:35:52,213 INFO L168 Benchmark]: RCFGBuilder took 540.48 ms. Allocated memory is still 155.2 MB. Free memory was 118.9 MB in the beginning and 106.5 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-02-23 13:35:52,215 INFO L168 Benchmark]: TraceAbstraction took 531.00 ms. Allocated memory is still 155.2 MB. Free memory was 138.4 MB in the beginning and 125.1 MB in the end (delta: 13.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-02-23 13:35:52,227 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 155.2 MB. Free memory is still 128.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 232.83 ms. Allocated memory is still 155.2 MB. Free memory was 129.5 MB in the beginning and 120.5 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 35.33 ms. Allocated memory is still 155.2 MB. Free memory was 120.3 MB in the beginning and 119.1 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 540.48 ms. Allocated memory is still 155.2 MB. Free memory was 118.9 MB in the beginning and 106.5 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 531.00 ms. Allocated memory is still 155.2 MB. Free memory was 138.4 MB in the beginning and 125.1 MB in the end (delta: 13.4 MB). Peak memory consumption was 12.6 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: [L22] CALL f(h) VAL [g={-1:0}] [L11] CALL g(1) [L15] COND TRUE i==1 VAL [\old(i)=1, i=1] [L16] reach_error() VAL [\old(i)=1, i=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 28 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.3s, 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=25occurred 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, 13 NumberOfCodeBlocks, 13 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...