/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 --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -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 22:05:14,202 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 22:05:14,207 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 22:05:14,254 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 22:05:14,254 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 22:05:14,266 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 22:05:14,269 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 22:05:14,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 22:05:14,276 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 22:05:14,280 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 22:05:14,281 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 22:05:14,282 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 22:05:14,282 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 22:05:14,286 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 22:05:14,287 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 22:05:14,288 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 22:05:14,293 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 22:05:14,294 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 22:05:14,298 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 22:05:14,302 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 22:05:14,306 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 22:05:14,308 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 22:05:14,310 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 22:05:14,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 22:05:14,317 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 22:05:14,318 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 22:05:14,318 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 22:05:14,321 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 22:05:14,322 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 22:05:14,324 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 22:05:14,325 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 22:05:14,326 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 22:05:14,326 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 22:05:14,327 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 22:05:14,328 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 22:05:14,328 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 22:05:14,329 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 22:05:14,329 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 22:05:14,330 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 22:05:14,331 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 22:05:14,331 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 22:05:14,333 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 22:05:14,345 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 22:05:14,346 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 22:05:14,347 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 22:05:14,347 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 22:05:14,348 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 22:05:14,348 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 22:05:14,348 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 22:05:14,348 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 22:05:14,348 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 22:05:14,349 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 22:05:14,349 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 22:05:14,349 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 22:05:14,349 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 22:05:14,349 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 22:05:14,349 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 22:05:14,350 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 22:05:14,350 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 22:05:14,350 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 22:05:14,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 22:05:14,350 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 22:05:14,351 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 22:05:14,351 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 22:05:14,351 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-09-04 22:05:14,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 22:05:14,823 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 22:05:14,828 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 22:05:14,831 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 22:05:14,831 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 22:05:14,832 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/callfpointer.i [2020-09-04 22:05:14,931 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ecfe7a5ff/c2351b0c621d409588becedf4899fcad/FLAGb463e4433 [2020-09-04 22:05:15,472 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 22:05:15,473 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/callfpointer.i [2020-09-04 22:05:15,481 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ecfe7a5ff/c2351b0c621d409588becedf4899fcad/FLAGb463e4433 [2020-09-04 22:05:15,816 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ecfe7a5ff/c2351b0c621d409588becedf4899fcad [2020-09-04 22:05:15,834 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 22:05:15,838 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 22:05:15,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 22:05:15,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 22:05:15,844 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 22:05:15,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 10:05:15" (1/1) ... [2020-09-04 22:05:15,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ef8bc88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:05:15, skipping insertion in model container [2020-09-04 22:05:15,849 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 10:05:15" (1/1) ... [2020-09-04 22:05:15,857 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 22:05:15,879 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 22:05:16,111 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 22:05:16,117 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 22:05:16,132 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 22:05:16,147 INFO L208 MainTranslator]: Completed translation [2020-09-04 22:05:16,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:05:16 WrapperNode [2020-09-04 22:05:16,148 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 22:05:16,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 22:05:16,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 22:05:16,149 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 22:05:16,163 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:05:16" (1/1) ... [2020-09-04 22:05:16,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:05:16" (1/1) ... [2020-09-04 22:05:16,169 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:05:16" (1/1) ... [2020-09-04 22:05:16,169 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:05:16" (1/1) ... [2020-09-04 22:05:16,174 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:05:16" (1/1) ... [2020-09-04 22:05:16,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:05:16" (1/1) ... [2020-09-04 22:05:16,177 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:05:16" (1/1) ... [2020-09-04 22:05:16,179 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 22:05:16,179 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 22:05:16,179 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 22:05:16,179 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 22:05:16,180 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:05:16" (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 22:05:16,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 22:05:16,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 22:05:16,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2020-09-04 22:05:16,338 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-09-04 22:05:16,338 INFO L138 BoogieDeclarations]: Found implementation of procedure h [2020-09-04 22:05:16,339 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 22:05:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 22:05:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-09-04 22:05:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2020-09-04 22:05:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure h [2020-09-04 22:05:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 22:05:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 22:05:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 22:05:16,503 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 22:05:16,503 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-04 22:05:16,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 10:05:16 BoogieIcfgContainer [2020-09-04 22:05:16,508 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 22:05:16,510 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 22:05:16,510 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 22:05:16,514 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 22:05:16,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 10:05:15" (1/3) ... [2020-09-04 22:05:16,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@411f7324 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 10:05:16, skipping insertion in model container [2020-09-04 22:05:16,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:05:16" (2/3) ... [2020-09-04 22:05:16,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@411f7324 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 10:05:16, skipping insertion in model container [2020-09-04 22:05:16,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 10:05:16" (3/3) ... [2020-09-04 22:05:16,518 INFO L109 eAbstractionObserver]: Analyzing ICFG callfpointer.i [2020-09-04 22:05:16,531 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 22:05:16,542 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 22:05:16,588 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 22:05:16,653 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 22:05:16,653 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 22:05:16,653 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-04 22:05:16,654 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 22:05:16,663 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 22:05:16,663 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 22:05:16,663 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 22:05:16,663 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 22:05:16,689 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-09-04 22:05:16,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-09-04 22:05:16,702 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:05:16,703 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 22:05:16,703 INFO L427 AbstractCegarLoop]: === Iteration 1 === [hErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:05:16,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:05:16,710 INFO L82 PathProgramCache]: Analyzing trace with hash 1027422766, now seen corresponding path program 1 times [2020-09-04 22:05:16,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:05:16,721 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [598076293] [2020-09-04 22:05:16,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:05:16,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 22:05:16,833 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 22:05:16,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 22:05:16,847 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 22:05:16,869 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-04 22:05:16,870 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-04 22:05:16,871 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 22:05:16,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 10:05:16 BoogieIcfgContainer [2020-09-04 22:05:16,893 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 22:05:16,897 INFO L168 Benchmark]: Toolchain (without parser) took 1057.87 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 103.7 MB in the beginning and 159.0 MB in the end (delta: -55.3 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. [2020-09-04 22:05:16,898 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-04 22:05:16,899 INFO L168 Benchmark]: CACSL2BoogieTranslator took 308.59 ms. Allocated memory is still 139.5 MB. Free memory was 103.2 MB in the beginning and 94.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2020-09-04 22:05:16,900 INFO L168 Benchmark]: Boogie Preprocessor took 30.10 ms. Allocated memory is still 139.5 MB. Free memory was 94.2 MB in the beginning and 92.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-09-04 22:05:16,901 INFO L168 Benchmark]: RCFGBuilder took 329.47 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 92.8 MB in the beginning and 171.6 MB in the end (delta: -78.7 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. [2020-09-04 22:05:16,902 INFO L168 Benchmark]: TraceAbstraction took 383.19 ms. Allocated memory is still 203.4 MB. Free memory was 170.9 MB in the beginning and 159.0 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2020-09-04 22:05:16,907 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 308.59 ms. Allocated memory is still 139.5 MB. Free memory was 103.2 MB in the beginning and 94.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.10 ms. Allocated memory is still 139.5 MB. Free memory was 94.2 MB in the beginning and 92.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 329.47 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 92.8 MB in the beginning and 171.6 MB in the end (delta: -78.7 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 383.19 ms. Allocated memory is still 203.4 MB. Free memory was 170.9 MB in the beginning and 159.0 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 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) VAL [g={-1:0}] [L9] CALL g(1) [L13] COND TRUE i==1 VAL [\old(i)=1, i=1] [L14] __VERIFIER_error() VAL [\old(i)=1, i=1] - 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: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 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...