/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.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-fpi/sina3f.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 17:20:10,210 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 17:20:10,214 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 17:20:10,240 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 17:20:10,240 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 17:20:10,241 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 17:20:10,243 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 17:20:10,245 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 17:20:10,247 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 17:20:10,248 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 17:20:10,249 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 17:20:10,251 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 17:20:10,251 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 17:20:10,252 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 17:20:10,254 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 17:20:10,255 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 17:20:10,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 17:20:10,257 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 17:20:10,259 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 17:20:10,261 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 17:20:10,263 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 17:20:10,264 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 17:20:10,265 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 17:20:10,266 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 17:20:10,269 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 17:20:10,269 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 17:20:10,270 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 17:20:10,271 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 17:20:10,271 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 17:20:10,272 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 17:20:10,273 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 17:20:10,274 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 17:20:10,275 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 17:20:10,275 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 17:20:10,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 17:20:10,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 17:20:10,278 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 17:20:10,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 17:20:10,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 17:20:10,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 17:20:10,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 17:20:10,282 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 17:20:10,318 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 17:20:10,318 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 17:20:10,323 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 17:20:10,323 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 17:20:10,323 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 17:20:10,324 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 17:20:10,324 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 17:20:10,324 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 17:20:10,324 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 17:20:10,324 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 17:20:10,326 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 17:20:10,326 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 17:20:10,326 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 17:20:10,326 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 17:20:10,329 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 17:20:10,329 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 17:20:10,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 17:20:10,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 17:20:10,330 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 17:20:10,330 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 17:20:10,330 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 17:20:10,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 17:20:10,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 17:20:10,331 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 17:20:10,331 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 17:20:10,332 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 17:20:10,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 17:20:10,332 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 17:20:10,332 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 17:20:10,332 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES 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: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;log-additional-information=true; [2020-09-24 17:20:10,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 17:20:10,858 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 17:20:10,862 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 17:20:10,864 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 17:20:10,866 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 17:20:10,867 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/sina3f.c [2020-09-24 17:20:10,951 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2803f5c5c/3187c63d64f54413a2c8f1bc71f90da6/FLAG128f0e0d4 [2020-09-24 17:20:11,450 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 17:20:11,451 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/sina3f.c [2020-09-24 17:20:11,463 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2803f5c5c/3187c63d64f54413a2c8f1bc71f90da6/FLAG128f0e0d4 [2020-09-24 17:20:11,775 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2803f5c5c/3187c63d64f54413a2c8f1bc71f90da6 [2020-09-24 17:20:11,791 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 17:20:11,797 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 17:20:11,800 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 17:20:11,800 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 17:20:11,805 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 17:20:11,806 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 05:20:11" (1/1) ... [2020-09-24 17:20:11,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fc4fd3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:20:11, skipping insertion in model container [2020-09-24 17:20:11,811 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 05:20:11" (1/1) ... [2020-09-24 17:20:11,821 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 17:20:11,854 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 17:20:12,154 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 17:20:12,170 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 17:20:12,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 17:20:12,225 INFO L208 MainTranslator]: Completed translation [2020-09-24 17:20:12,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:20:12 WrapperNode [2020-09-24 17:20:12,226 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 17:20:12,227 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 17:20:12,227 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 17:20:12,227 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 17:20:12,333 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:20:12" (1/1) ... [2020-09-24 17:20:12,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:20:12" (1/1) ... [2020-09-24 17:20:12,345 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:20:12" (1/1) ... [2020-09-24 17:20:12,346 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:20:12" (1/1) ... [2020-09-24 17:20:12,356 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:20:12" (1/1) ... [2020-09-24 17:20:12,369 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:20:12" (1/1) ... [2020-09-24 17:20:12,371 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:20:12" (1/1) ... [2020-09-24 17:20:12,374 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 17:20:12,374 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 17:20:12,375 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 17:20:12,375 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 17:20:12,377 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:20:12" (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 [2020-09-24 17:20:12,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 17:20:12,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 17:20:12,462 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 17:20:12,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-24 17:20:12,462 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 17:20:12,462 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 17:20:12,463 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 17:20:12,463 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 17:20:12,463 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-24 17:20:12,463 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 17:20:12,464 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 17:20:12,464 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 17:20:12,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 17:20:12,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 17:20:12,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 17:20:12,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 17:20:12,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 17:20:12,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 17:20:12,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 17:20:12,820 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 17:20:12,820 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 17:20:12,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 05:20:12 BoogieIcfgContainer [2020-09-24 17:20:12,827 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 17:20:12,828 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 17:20:12,828 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 17:20:12,832 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 17:20:12,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 05:20:11" (1/3) ... [2020-09-24 17:20:12,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fc7a949 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 05:20:12, skipping insertion in model container [2020-09-24 17:20:12,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:20:12" (2/3) ... [2020-09-24 17:20:12,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fc7a949 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 05:20:12, skipping insertion in model container [2020-09-24 17:20:12,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 05:20:12" (3/3) ... [2020-09-24 17:20:12,836 INFO L109 eAbstractionObserver]: Analyzing ICFG sina3f.c [2020-09-24 17:20:12,849 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 17:20:12,861 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 17:20:12,898 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 17:20:12,944 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 17:20:12,944 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 17:20:12,944 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 17:20:12,944 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 17:20:12,945 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 17:20:12,945 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 17:20:12,945 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 17:20:12,945 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 17:20:12,972 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states. [2020-09-24 17:20:12,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-09-24 17:20:12,981 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:20:12,982 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 17:20:12,983 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:20:12,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:20:12,989 INFO L82 PathProgramCache]: Analyzing trace with hash 1651935650, now seen corresponding path program 1 times [2020-09-24 17:20:12,998 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:20:12,998 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [504474684] [2020-09-24 17:20:12,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:20:13,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:20:13,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:20:13,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:20:13,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:20:13,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:20:13,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:20:13,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:20:14,273 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:20:14,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 17:20:14,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-24 17:20:14,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1116 [2020-09-24 17:20:14,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:20:14,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:20:14,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 17:20:14,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:20:14,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 17:20:14,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:20:14,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:20:14,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:20:14,407 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:20:14,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:20:14,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:20:14,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 17:20:14,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:20:14,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:20:14,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:20:14,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:20:14,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:20:14,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 17:20:14,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:20:14,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:20:14,426 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:20:14,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 17:20:14,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:20:14,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 17:20:14,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:20:14,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:20:14,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:20:14,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:20:14,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:20:14,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 17:20:14,442 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [504474684] [2020-09-24 17:20:14,444 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:20:14,445 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 17:20:14,446 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227192970] [2020-09-24 17:20:14,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 17:20:14,454 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:20:14,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 17:20:14,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 17:20:14,476 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 3 states. [2020-09-24 17:20:14,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:20:14,738 INFO L93 Difference]: Finished difference Result 141 states and 164 transitions. [2020-09-24 17:20:14,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 17:20:14,741 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2020-09-24 17:20:14,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:20:14,758 INFO L225 Difference]: With dead ends: 141 [2020-09-24 17:20:14,758 INFO L226 Difference]: Without dead ends: 70 [2020-09-24 17:20:14,766 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 17:20:14,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-09-24 17:20:14,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2020-09-24 17:20:14,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-09-24 17:20:14,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 74 transitions. [2020-09-24 17:20:14,826 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 74 transitions. Word has length 39 [2020-09-24 17:20:14,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:20:14,827 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 74 transitions. [2020-09-24 17:20:14,827 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 17:20:14,827 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 74 transitions. [2020-09-24 17:20:14,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-09-24 17:20:14,829 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:20:14,829 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 17:20:14,830 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 17:20:14,830 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:20:14,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:20:14,831 INFO L82 PathProgramCache]: Analyzing trace with hash 725298104, now seen corresponding path program 1 times [2020-09-24 17:20:14,831 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:20:14,831 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [185470884] [2020-09-24 17:20:14,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:20:14,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:20:14,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:20:14,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:20:14,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:20:14,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:20:15,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:20:15,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:20:15,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:20:15,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:20:16,958 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:20:16,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 17:20:16,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-24 17:20:16,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2101 [2020-09-24 17:20:16,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:20:16,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 17:20:16,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 17:20:16,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-24 17:20:16,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 17:20:17,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:20:17,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:20:17,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:20:17,035 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:20:17,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:20:17,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:20:17,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 17:20:17,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:20:17,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:20:17,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:20:17,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:20:17,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:20:17,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 17:20:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:20:17,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:20:17,057 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:20:17,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 17:20:17,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:20:17,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 17:20:17,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:20:17,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:20:17,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:20:17,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 17:20:17,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:20:17,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 17:20:17,067 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [185470884] [2020-09-24 17:20:17,067 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:20:17,068 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 17:20:17,068 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737107124] [2020-09-24 17:20:17,071 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 17:20:17,072 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:20:17,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 17:20:17,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-24 17:20:17,073 INFO L87 Difference]: Start difference. First operand 70 states and 74 transitions. Second operand 5 states. [2020-09-24 17:20:17,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:20:17,317 INFO L93 Difference]: Finished difference Result 115 states and 126 transitions. [2020-09-24 17:20:17,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 17:20:17,318 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2020-09-24 17:20:17,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:20:17,319 INFO L225 Difference]: With dead ends: 115 [2020-09-24 17:20:17,320 INFO L226 Difference]: Without dead ends: 75 [2020-09-24 17:20:17,321 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-24 17:20:17,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-09-24 17:20:17,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 74. [2020-09-24 17:20:17,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-09-24 17:20:17,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 78 transitions. [2020-09-24 17:20:17,334 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 78 transitions. Word has length 39 [2020-09-24 17:20:17,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:20:17,334 INFO L479 AbstractCegarLoop]: Abstraction has 74 states and 78 transitions. [2020-09-24 17:20:17,334 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 17:20:17,335 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 78 transitions. [2020-09-24 17:20:17,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-09-24 17:20:17,337 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:20:17,337 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 17:20:17,337 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 17:20:17,337 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:20:17,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:20:17,338 INFO L82 PathProgramCache]: Analyzing trace with hash -1675406230, now seen corresponding path program 1 times [2020-09-24 17:20:17,338 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:20:17,339 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [428378422] [2020-09-24 17:20:17,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:20:17,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-24 17:20:17,380 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-24 17:20:17,380 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-24 17:20:17,385 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 17:20:17,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 05:20:17 BoogieIcfgContainer [2020-09-24 17:20:17,412 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 17:20:17,416 INFO L168 Benchmark]: Toolchain (without parser) took 5621.91 ms. Allocated memory was 146.8 MB in the beginning and 247.5 MB in the end (delta: 100.7 MB). Free memory was 103.3 MB in the beginning and 192.5 MB in the end (delta: -89.2 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2020-09-24 17:20:17,417 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 146.8 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 17:20:17,418 INFO L168 Benchmark]: CACSL2BoogieTranslator took 426.46 ms. Allocated memory is still 146.8 MB. Free memory was 102.7 MB in the beginning and 91.6 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2020-09-24 17:20:17,420 INFO L168 Benchmark]: Boogie Preprocessor took 147.28 ms. Allocated memory was 146.8 MB in the beginning and 203.9 MB in the end (delta: 57.1 MB). Free memory was 91.6 MB in the beginning and 181.2 MB in the end (delta: -89.6 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2020-09-24 17:20:17,421 INFO L168 Benchmark]: RCFGBuilder took 452.83 ms. Allocated memory is still 203.9 MB. Free memory was 181.2 MB in the beginning and 159.2 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2020-09-24 17:20:17,422 INFO L168 Benchmark]: TraceAbstraction took 4583.82 ms. Allocated memory was 203.9 MB in the beginning and 247.5 MB in the end (delta: 43.5 MB). Free memory was 158.6 MB in the beginning and 192.5 MB in the end (delta: -34.0 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2020-09-24 17:20:17,427 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 146.8 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 426.46 ms. Allocated memory is still 146.8 MB. Free memory was 102.7 MB in the beginning and 91.6 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 147.28 ms. Allocated memory was 146.8 MB in the beginning and 203.9 MB in the end (delta: 57.1 MB). Free memory was 91.6 MB in the beginning and 181.2 MB in the end (delta: -89.6 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 452.83 ms. Allocated memory is still 203.9 MB. Free memory was 181.2 MB in the beginning and 159.2 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4583.82 ms. Allocated memory was 203.9 MB in the beginning and 247.5 MB in the end (delta: 43.5 MB). Free memory was 158.6 MB in the beginning and 192.5 MB in the end (delta: -34.0 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 13]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L17] int N; [L21] N = __VERIFIER_nondet_int() [L22] COND FALSE !(N <= 0) [L23] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L11] COND FALSE !(!cond) [L23] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L25] int i; [L26] long long sum[1]; [L27] long long *a = malloc(sizeof(long long)*N); [L28] int *b = malloc(sizeof(int)*N); [L30] sum[0] = 1 [L31] i=0 [L31] COND TRUE i