/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/ldv-regression/callfpointer.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 18:05:28,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 18:05:28,266 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 18:05:28,324 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-23 18:05:28,355 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 18:05:28,358 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 18:05:28,361 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 18:05:28,363 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 18:05:28,367 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 18:05:28,368 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 18:05:28,376 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 18:05:28,380 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 18:05:28,383 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 18:05:28,385 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 18:05:28,387 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 18:05:28,390 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 18:05:28,396 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-23 18:05:28,413 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 18:05:28,414 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 18:05:28,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 18:05:28,416 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-23 18:05:28,442 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 18:05:28,443 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 18:05:28,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 18:05:28,448 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 18:05:28,448 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 18:05:28,448 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 18:05:28,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 18:05:28,449 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 18:05:28,449 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 18:05:28,449 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 18:05:28,450 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 18:05:28,451 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 18:05:28,451 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 18:05:28,451 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 18:05:28,452 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 18:05:28,452 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-23 18:05:28,452 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-23 18:05:28,452 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 18:05:28,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 18:05:28,453 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 18:05:28,453 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-23 18:05:28,453 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 18:05:28,453 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-23 18:05:28,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 18:05:28,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 18:05:28,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 18:05:28,887 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 18:05:28,888 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 18:05:28,893 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/callfpointer.i [2021-02-23 18:05:28,990 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6573c0993/604f78028ed84879a2219a266e9fcff7/FLAGb41229402 [2021-02-23 18:05:29,588 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 18:05:29,589 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/callfpointer.i [2021-02-23 18:05:29,596 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6573c0993/604f78028ed84879a2219a266e9fcff7/FLAGb41229402 [2021-02-23 18:05:29,945 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6573c0993/604f78028ed84879a2219a266e9fcff7 [2021-02-23 18:05:29,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 18:05:29,962 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 18:05:29,964 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 18:05:29,964 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 18:05:29,968 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 18:05:29,969 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 06:05:29" (1/1) ... [2021-02-23 18:05:29,971 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e09bfbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:05:29, skipping insertion in model container [2021-02-23 18:05:29,971 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 06:05:29" (1/1) ... [2021-02-23 18:05:29,980 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 18:05:29,994 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 18:05:30,142 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 18:05:30,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 18:05:30,162 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 18:05:30,178 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 18:05:30,180 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 18:05:30,198 INFO L208 MainTranslator]: Completed translation [2021-02-23 18:05:30,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:05:30 WrapperNode [2021-02-23 18:05:30,199 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 18:05:30,201 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 18:05:30,201 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 18:05:30,201 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 18:05:30,215 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:05:30" (1/1) ... [2021-02-23 18:05:30,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:05:30" (1/1) ... [2021-02-23 18:05:30,224 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:05:30" (1/1) ... [2021-02-23 18:05:30,225 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:05:30" (1/1) ... [2021-02-23 18:05:30,231 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:05:30" (1/1) ... [2021-02-23 18:05:30,233 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:05:30" (1/1) ... [2021-02-23 18:05:30,235 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:05:30" (1/1) ... [2021-02-23 18:05:30,237 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 18:05:30,238 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 18:05:30,238 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 18:05:30,239 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 18:05:30,239 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:05:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 18:05:30,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 18:05:30,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 18:05:30,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-02-23 18:05:30,355 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 18:05:30,355 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-02-23 18:05:30,356 INFO L138 BoogieDeclarations]: Found implementation of procedure h [2021-02-23 18:05:30,356 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 18:05:30,356 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 18:05:30,356 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 18:05:30,357 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 18:05:30,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 18:05:30,358 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-02-23 18:05:30,358 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-02-23 18:05:30,358 INFO L130 BoogieDeclarations]: Found specification of procedure h [2021-02-23 18:05:30,358 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 18:05:30,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 18:05:30,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 18:05:30,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 18:05:30,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 18:05:30,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 18:05:30,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 18:05:30,772 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 18:05:30,772 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-23 18:05:30,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 06:05:30 BoogieIcfgContainer [2021-02-23 18:05:30,775 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 18:05:30,777 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 18:05:30,777 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 18:05:30,781 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 18:05:30,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 06:05:29" (1/3) ... [2021-02-23 18:05:30,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26c8d0d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 06:05:30, skipping insertion in model container [2021-02-23 18:05:30,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:05:30" (2/3) ... [2021-02-23 18:05:30,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26c8d0d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 06:05:30, skipping insertion in model container [2021-02-23 18:05:30,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 06:05:30" (3/3) ... [2021-02-23 18:05:30,785 INFO L111 eAbstractionObserver]: Analyzing ICFG callfpointer.i [2021-02-23 18:05:30,794 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-23 18:05:30,799 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 18:05:30,820 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 18:05:30,847 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 18:05:30,847 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 18:05:30,848 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-23 18:05:30,848 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 18:05:30,848 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 18:05:30,848 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 18:05:30,848 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 18:05:30,849 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 18:05:30,865 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2021-02-23 18:05:30,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-02-23 18:05:30,874 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:05:30,875 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 18:05:30,875 INFO L428 AbstractCegarLoop]: === Iteration 1 === [hErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:05:30,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:05:30,882 INFO L82 PathProgramCache]: Analyzing trace with hash 484225769, now seen corresponding path program 1 times [2021-02-23 18:05:30,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:05:30,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1000631690] [2021-02-23 18:05:30,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:05:31,013 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:05:31,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-23 18:05:31,140 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-23 18:05:31,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-23 18:05:31,214 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-23 18:05:31,268 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-02-23 18:05:31,268 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-23 18:05:31,269 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 18:05:31,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 06:05:31 BoogieIcfgContainer [2021-02-23 18:05:31,292 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 18:05:31,297 INFO L168 Benchmark]: Toolchain (without parser) took 1343.38 ms. Allocated memory is still 151.0 MB. Free memory was 127.3 MB in the beginning and 88.1 MB in the end (delta: 39.2 MB). Peak memory consumption was 38.8 MB. Max. memory is 8.0 GB. [2021-02-23 18:05:31,302 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 151.0 MB. Free memory was 130.6 MB in the beginning and 130.2 MB in the end (delta: 430.0 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 18:05:31,304 INFO L168 Benchmark]: CACSL2BoogieTranslator took 235.96 ms. Allocated memory is still 151.0 MB. Free memory was 126.3 MB in the beginning and 116.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-02-23 18:05:31,308 INFO L168 Benchmark]: Boogie Preprocessor took 36.58 ms. Allocated memory is still 151.0 MB. Free memory was 116.8 MB in the beginning and 115.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-02-23 18:05:31,309 INFO L168 Benchmark]: RCFGBuilder took 536.58 ms. Allocated memory is still 151.0 MB. Free memory was 115.4 MB in the beginning and 102.2 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-02-23 18:05:31,310 INFO L168 Benchmark]: TraceAbstraction took 515.24 ms. Allocated memory is still 151.0 MB. Free memory was 101.7 MB in the beginning and 88.1 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-02-23 18:05:31,321 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 ms. Allocated memory is still 151.0 MB. Free memory was 130.6 MB in the beginning and 130.2 MB in the end (delta: 430.0 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 235.96 ms. Allocated memory is still 151.0 MB. Free memory was 126.3 MB in the beginning and 116.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 36.58 ms. Allocated memory is still 151.0 MB. Free memory was 116.8 MB in the beginning and 115.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 536.58 ms. Allocated memory is still 151.0 MB. Free memory was 115.4 MB in the beginning and 102.2 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 515.24 ms. Allocated memory is still 151.0 MB. Free memory was 101.7 MB in the beginning and 88.1 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 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) [L11] CALL g(1) [L15] COND TRUE i==1 [L16] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 36 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, 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=33occurred 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: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...