/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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 0.1.25-3af5e1f [2020-09-04 16:39:23,532 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 16:39:23,537 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 16:39:23,567 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 16:39:23,567 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 16:39:23,569 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 16:39:23,574 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 16:39:23,578 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 16:39:23,583 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 16:39:23,586 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 16:39:23,587 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 16:39:23,590 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 16:39:23,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 16:39:23,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 16:39:23,598 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 16:39:23,601 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 16:39:23,603 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 16:39:23,606 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 16:39:23,610 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 16:39:23,619 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 16:39:23,623 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 16:39:23,624 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 16:39:23,627 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 16:39:23,628 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 16:39:23,633 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-04 16:39:23,650 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 16:39:23,651 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 16:39:23,658 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 16:39:23,661 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 16:39:23,662 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 16:39:23,662 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 16:39:23,663 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 16:39:23,663 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 16:39:23,663 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 16:39:23,664 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 16:39:23,671 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 16:39:23,672 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-09-04 16:39:23,694 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 16:39:23,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 16:39:23,697 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 16:39:23,697 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 16:39:23,698 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 16:39:23,698 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 16:39:23,698 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 16:39:23,698 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 16:39:23,698 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 16:39:23,699 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 16:39:23,700 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 16:39:23,700 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 16:39:23,700 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 16:39:23,701 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 16:39:23,701 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 16:39:23,702 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 16:39:23,702 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 16:39:23,702 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 16:39:23,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 16:39:23,702 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 16:39:23,703 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 16:39:23,703 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 16:39:23,703 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-09-04 16:39:24,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 16:39:24,201 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 16:39:24,206 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 16:39:24,208 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 16:39:24,209 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 16:39:24,210 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/callfpointer.i [2020-09-04 16:39:24,301 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/026855795/cc759924979b4c1ca6e434b5e56817d4/FLAG6c05deea9 [2020-09-04 16:39:24,968 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 16:39:24,969 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/callfpointer.i [2020-09-04 16:39:24,979 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/026855795/cc759924979b4c1ca6e434b5e56817d4/FLAG6c05deea9 [2020-09-04 16:39:25,276 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/026855795/cc759924979b4c1ca6e434b5e56817d4 [2020-09-04 16:39:25,291 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 16:39:25,293 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 16:39:25,295 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 16:39:25,295 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 16:39:25,303 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 16:39:25,304 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 04:39:25" (1/1) ... [2020-09-04 16:39:25,309 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aa96d5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:39:25, skipping insertion in model container [2020-09-04 16:39:25,309 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 04:39:25" (1/1) ... [2020-09-04 16:39:25,319 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 16:39:25,342 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 16:39:25,550 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 16:39:25,559 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 16:39:25,580 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 16:39:25,602 INFO L208 MainTranslator]: Completed translation [2020-09-04 16:39:25,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:39:25 WrapperNode [2020-09-04 16:39:25,603 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 16:39:25,604 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 16:39:25,604 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 16:39:25,604 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 16:39:25,627 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:39:25" (1/1) ... [2020-09-04 16:39:25,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:39:25" (1/1) ... [2020-09-04 16:39:25,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:39:25" (1/1) ... [2020-09-04 16:39:25,724 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:39:25" (1/1) ... [2020-09-04 16:39:25,730 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:39:25" (1/1) ... [2020-09-04 16:39:25,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:39:25" (1/1) ... [2020-09-04 16:39:25,735 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:39:25" (1/1) ... [2020-09-04 16:39:25,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 16:39:25,738 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 16:39:25,738 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 16:39:25,738 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 16:39:25,740 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:39:25" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 16:39:25,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 16:39:25,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 16:39:25,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2020-09-04 16:39:25,836 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-09-04 16:39:25,836 INFO L138 BoogieDeclarations]: Found implementation of procedure h [2020-09-04 16:39:25,836 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 16:39:25,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 16:39:25,836 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-09-04 16:39:25,837 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2020-09-04 16:39:25,837 INFO L130 BoogieDeclarations]: Found specification of procedure h [2020-09-04 16:39:25,837 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 16:39:25,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 16:39:25,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 16:39:26,035 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 16:39:26,036 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-04 16:39:26,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 04:39:26 BoogieIcfgContainer [2020-09-04 16:39:26,042 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 16:39:26,044 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 16:39:26,044 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 16:39:26,049 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 16:39:26,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 04:39:25" (1/3) ... [2020-09-04 16:39:26,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62fc91a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 04:39:26, skipping insertion in model container [2020-09-04 16:39:26,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:39:25" (2/3) ... [2020-09-04 16:39:26,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62fc91a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 04:39:26, skipping insertion in model container [2020-09-04 16:39:26,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 04:39:26" (3/3) ... [2020-09-04 16:39:26,055 INFO L109 eAbstractionObserver]: Analyzing ICFG callfpointer.i [2020-09-04 16:39:26,070 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 16:39:26,086 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 16:39:26,159 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 16:39:26,227 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 16:39:26,227 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 16:39:26,227 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-09-04 16:39:26,227 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 16:39:26,227 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 16:39:26,228 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 16:39:26,228 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 16:39:26,228 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 16:39:26,247 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-09-04 16:39:26,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-09-04 16:39:26,261 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:39:26,262 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 16:39:26,263 INFO L427 AbstractCegarLoop]: === Iteration 1 === [hErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:39:26,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:39:26,270 INFO L82 PathProgramCache]: Analyzing trace with hash 1027422766, now seen corresponding path program 1 times [2020-09-04 16:39:26,281 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:39:26,282 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [900747026] [2020-09-04 16:39:26,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:39:26,368 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:39:26,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 16:39:26,424 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 16:39:26,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 16:39:26,439 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 16:39:26,468 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-04 16:39:26,469 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-04 16:39:26,470 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 16:39:26,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 04:39:26 BoogieIcfgContainer [2020-09-04 16:39:26,494 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 16:39:26,499 INFO L168 Benchmark]: Toolchain (without parser) took 1203.76 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 101.7 MB in the beginning and 155.5 MB in the end (delta: -53.8 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2020-09-04 16:39:26,501 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 137.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-04 16:39:26,502 INFO L168 Benchmark]: CACSL2BoogieTranslator took 308.68 ms. Allocated memory is still 137.9 MB. Free memory was 101.5 MB in the beginning and 92.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2020-09-04 16:39:26,503 INFO L168 Benchmark]: Boogie Preprocessor took 133.28 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 92.4 MB in the beginning and 180.9 MB in the end (delta: -88.6 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. [2020-09-04 16:39:26,504 INFO L168 Benchmark]: RCFGBuilder took 304.45 ms. Allocated memory is still 201.9 MB. Free memory was 180.3 MB in the beginning and 169.2 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2020-09-04 16:39:26,505 INFO L168 Benchmark]: TraceAbstraction took 450.52 ms. Allocated memory is still 201.9 MB. Free memory was 168.6 MB in the beginning and 155.5 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. [2020-09-04 16:39:26,510 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 137.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 308.68 ms. Allocated memory is still 137.9 MB. Free memory was 101.5 MB in the beginning and 92.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 133.28 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 92.4 MB in the beginning and 180.9 MB in the end (delta: -88.6 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 304.45 ms. Allocated memory is still 201.9 MB. Free memory was 180.3 MB in the beginning and 169.2 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 450.52 ms. Allocated memory is still 201.9 MB. Free memory was 168.6 MB in the beginning and 155.5 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 14]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L20] CALL f(h) [L9] CALL g(1) [L13] COND TRUE i==1 [L14] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 24 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=24occurred 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...