/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 enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --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/s3liff.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 00:03:36,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 00:03:36,147 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 00:03:36,193 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 00:03:36,194 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 00:03:36,206 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 00:03:36,208 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 00:03:36,212 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 00:03:36,215 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 00:03:36,218 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 00:03:36,219 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 00:03:36,221 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 00:03:36,221 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 00:03:36,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 00:03:36,228 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 00:03:36,230 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 00:03:36,232 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 00:03:36,233 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 00:03:36,234 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 00:03:36,244 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 00:03:36,246 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 00:03:36,248 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 00:03:36,249 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 00:03:36,250 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 00:03:36,253 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 00:03:36,253 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 00:03:36,253 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 00:03:36,257 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 00:03:36,257 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 00:03:36,259 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 00:03:36,260 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 00:03:36,261 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 00:03:36,262 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 00:03:36,262 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 00:03:36,264 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 00:03:36,264 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 00:03:36,265 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 00:03:36,265 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 00:03:36,265 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 00:03:36,267 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 00:03:36,268 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 00:03:36,269 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 [2020-09-25 00:03:36,320 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 00:03:36,320 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 00:03:36,322 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 00:03:36,322 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 00:03:36,322 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 00:03:36,323 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 00:03:36,323 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 00:03:36,323 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 00:03:36,324 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 00:03:36,324 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 00:03:36,325 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 00:03:36,325 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 00:03:36,326 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 00:03:36,326 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 00:03:36,326 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 00:03:36,326 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 00:03:36,327 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 00:03:36,327 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 00:03:36,327 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 00:03:36,327 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 00:03:36,328 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 00:03:36,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 00:03:36,328 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 00:03:36,328 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 00:03:36,328 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 00:03:36,329 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 00:03:36,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 00:03:36,329 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 00:03:36,329 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 00:03:36,330 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;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;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;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;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;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;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;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;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;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; [2020-09-25 00:03:36,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 00:03:36,814 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 00:03:36,826 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 00:03:36,829 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 00:03:36,830 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 00:03:36,831 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/s3liff.c [2020-09-25 00:03:36,920 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8730e32d2/9484f26e53e648abab1cddcc52c52521/FLAG9273b736a [2020-09-25 00:03:37,455 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 00:03:37,456 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/s3liff.c [2020-09-25 00:03:37,464 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8730e32d2/9484f26e53e648abab1cddcc52c52521/FLAG9273b736a [2020-09-25 00:03:37,796 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8730e32d2/9484f26e53e648abab1cddcc52c52521 [2020-09-25 00:03:37,809 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 00:03:37,815 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 00:03:37,817 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 00:03:37,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 00:03:37,821 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 00:03:37,822 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:03:37" (1/1) ... [2020-09-25 00:03:37,827 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6708ede7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:37, skipping insertion in model container [2020-09-25 00:03:37,827 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:03:37" (1/1) ... [2020-09-25 00:03:37,837 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 00:03:37,863 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 00:03:38,143 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:03:38,156 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 00:03:38,183 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:03:38,203 INFO L208 MainTranslator]: Completed translation [2020-09-25 00:03:38,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:38 WrapperNode [2020-09-25 00:03:38,204 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 00:03:38,205 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 00:03:38,205 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 00:03:38,205 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 00:03:38,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:38" (1/1) ... [2020-09-25 00:03:38,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:38" (1/1) ... [2020-09-25 00:03:38,314 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:38" (1/1) ... [2020-09-25 00:03:38,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:38" (1/1) ... [2020-09-25 00:03:38,326 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:38" (1/1) ... [2020-09-25 00:03:38,333 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:38" (1/1) ... [2020-09-25 00:03:38,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:38" (1/1) ... [2020-09-25 00:03:38,338 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 00:03:38,338 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 00:03:38,339 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 00:03:38,339 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 00:03:38,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:38" (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 [2020-09-25 00:03:38,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 00:03:38,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 00:03:38,423 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 00:03:38,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-25 00:03:38,423 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 00:03:38,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 00:03:38,423 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 00:03:38,424 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 00:03:38,424 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-25 00:03:38,424 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 00:03:38,424 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 00:03:38,424 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 00:03:38,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 00:03:38,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 00:03:38,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 00:03:38,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 00:03:38,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 00:03:38,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 00:03:38,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 00:03:38,765 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 00:03:38,765 INFO L295 CfgBuilder]: Removed 3 assume(true) statements. [2020-09-25 00:03:38,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:03:38 BoogieIcfgContainer [2020-09-25 00:03:38,771 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 00:03:38,783 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 00:03:38,783 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 00:03:38,795 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 00:03:38,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:03:37" (1/3) ... [2020-09-25 00:03:38,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b584060 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:03:38, skipping insertion in model container [2020-09-25 00:03:38,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:38" (2/3) ... [2020-09-25 00:03:38,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b584060 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:03:38, skipping insertion in model container [2020-09-25 00:03:38,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:03:38" (3/3) ... [2020-09-25 00:03:38,807 INFO L109 eAbstractionObserver]: Analyzing ICFG s3liff.c [2020-09-25 00:03:38,819 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 00:03:38,829 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 00:03:38,850 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 00:03:38,882 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 00:03:38,883 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 00:03:38,883 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 00:03:38,883 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 00:03:38,883 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 00:03:38,883 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 00:03:38,884 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 00:03:38,884 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 00:03:38,907 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2020-09-25 00:03:38,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-25 00:03:38,916 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:03:38,917 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] [2020-09-25 00:03:38,917 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:03:38,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:03:38,924 INFO L82 PathProgramCache]: Analyzing trace with hash -2050446892, now seen corresponding path program 1 times [2020-09-25 00:03:38,934 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:03:38,934 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [375230571] [2020-09-25 00:03:38,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:03:39,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:03:39,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:39,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:39,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:39,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:03:39,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 00:03:39,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 00:03:39,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 332 [2020-09-25 00:03:39,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:03:39,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:03:39,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-09-25 00:03:39,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:03:39,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 00:03:39,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:03:39,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:03:39,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:39,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:03:39,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:03:39,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:03:39,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 00:03:39,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:03:39,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:03:39,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:03:39,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:03:39,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:03:39,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 00:03:39,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:03:39,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:39,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:03:39,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 00:03:39,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:03:39,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:03:39,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:03:39,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:03:39,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:03:39,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:03:39,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:03:39,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 00:03:39,575 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [375230571] [2020-09-25 00:03:39,578 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:03:39,578 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 00:03:39,579 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392519222] [2020-09-25 00:03:39,586 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 00:03:39,587 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:03:39,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 00:03:39,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 00:03:39,609 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 3 states. [2020-09-25 00:03:39,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:03:39,801 INFO L93 Difference]: Finished difference Result 125 states and 142 transitions. [2020-09-25 00:03:39,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 00:03:39,803 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-09-25 00:03:39,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:03:39,815 INFO L225 Difference]: With dead ends: 125 [2020-09-25 00:03:39,815 INFO L226 Difference]: Without dead ends: 59 [2020-09-25 00:03:39,820 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 [2020-09-25 00:03:39,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-09-25 00:03:39,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-09-25 00:03:39,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-09-25 00:03:39,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 62 transitions. [2020-09-25 00:03:39,880 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 62 transitions. Word has length 33 [2020-09-25 00:03:39,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:03:39,881 INFO L479 AbstractCegarLoop]: Abstraction has 59 states and 62 transitions. [2020-09-25 00:03:39,881 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 00:03:39,881 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 62 transitions. [2020-09-25 00:03:39,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-25 00:03:39,883 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:03:39,883 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] [2020-09-25 00:03:39,884 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 00:03:39,884 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:03:39,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:03:39,885 INFO L82 PathProgramCache]: Analyzing trace with hash -341126016, now seen corresponding path program 1 times [2020-09-25 00:03:39,885 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:03:39,886 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [888154510] [2020-09-25 00:03:39,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:03:39,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:03:39,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:39,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:40,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:40,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:03:40,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 00:03:40,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 00:03:40,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 804 [2020-09-25 00:03:40,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:03:40,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 00:03:40,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-25 00:03:40,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-25 00:03:40,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:03:40,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:03:40,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:03:40,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:40,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:03:40,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:03:40,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:03:40,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 00:03:40,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:03:40,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:03:40,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:03:40,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:03:40,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:03:40,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 00:03:40,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:03:40,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:40,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:03:40,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 00:03:40,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:03:40,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 00:03:40,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:03:40,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:03:40,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:03:40,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 00:03:40,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:03:40,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 00:03:40,800 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [888154510] [2020-09-25 00:03:40,801 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:03:40,801 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 00:03:40,801 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778438001] [2020-09-25 00:03:40,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 00:03:40,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:03:40,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 00:03:40,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-25 00:03:40,805 INFO L87 Difference]: Start difference. First operand 59 states and 62 transitions. Second operand 5 states. [2020-09-25 00:03:40,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:03:40,993 INFO L93 Difference]: Finished difference Result 93 states and 101 transitions. [2020-09-25 00:03:40,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-25 00:03:40,994 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-09-25 00:03:40,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:03:40,996 INFO L225 Difference]: With dead ends: 93 [2020-09-25 00:03:40,996 INFO L226 Difference]: Without dead ends: 62 [2020-09-25 00:03:40,997 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 [2020-09-25 00:03:40,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-09-25 00:03:41,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2020-09-25 00:03:41,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-09-25 00:03:41,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 65 transitions. [2020-09-25 00:03:41,009 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 65 transitions. Word has length 33 [2020-09-25 00:03:41,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:03:41,009 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 65 transitions. [2020-09-25 00:03:41,009 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 00:03:41,010 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2020-09-25 00:03:41,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-25 00:03:41,012 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:03:41,012 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] [2020-09-25 00:03:41,012 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 00:03:41,012 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:03:41,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:03:41,013 INFO L82 PathProgramCache]: Analyzing trace with hash 746418975, now seen corresponding path program 1 times [2020-09-25 00:03:41,013 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:03:41,013 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1845683514] [2020-09-25 00:03:41,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:03:41,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-25 00:03:41,046 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-25 00:03:41,046 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-25 00:03:41,051 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 00:03:41,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 12:03:41 BoogieIcfgContainer [2020-09-25 00:03:41,074 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 00:03:41,080 INFO L168 Benchmark]: Toolchain (without parser) took 3266.08 ms. Allocated memory was 141.0 MB in the beginning and 233.3 MB in the end (delta: 92.3 MB). Free memory was 104.5 MB in the beginning and 132.7 MB in the end (delta: -28.2 MB). Peak memory consumption was 64.1 MB. Max. memory is 7.1 GB. [2020-09-25 00:03:41,081 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-25 00:03:41,085 INFO L168 Benchmark]: CACSL2BoogieTranslator took 387.98 ms. Allocated memory is still 141.0 MB. Free memory was 103.9 MB in the beginning and 93.3 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2020-09-25 00:03:41,087 INFO L168 Benchmark]: Boogie Preprocessor took 133.02 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 93.3 MB in the beginning and 181.9 MB in the end (delta: -88.6 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. [2020-09-25 00:03:41,088 INFO L168 Benchmark]: RCFGBuilder took 432.90 ms. Allocated memory is still 203.9 MB. Free memory was 181.2 MB in the beginning and 160.9 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2020-09-25 00:03:41,091 INFO L168 Benchmark]: TraceAbstraction took 2291.91 ms. Allocated memory was 203.9 MB in the beginning and 233.3 MB in the end (delta: 29.4 MB). Free memory was 160.9 MB in the beginning and 132.7 MB in the end (delta: 28.2 MB). Peak memory consumption was 57.5 MB. Max. memory is 7.1 GB. [2020-09-25 00:03:41,104 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 387.98 ms. Allocated memory is still 141.0 MB. Free memory was 103.9 MB in the beginning and 93.3 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 133.02 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 93.3 MB in the beginning and 181.9 MB in the end (delta: -88.6 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 432.90 ms. Allocated memory is still 203.9 MB. Free memory was 181.2 MB in the beginning and 160.9 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2291.91 ms. Allocated memory was 203.9 MB in the beginning and 233.3 MB in the end (delta: 29.4 MB). Free memory was 160.9 MB in the beginning and 132.7 MB in the end (delta: 28.2 MB). Peak memory consumption was 57.5 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] int *a = malloc(sizeof(int)*N); [L29] sum[0] = N [L30] i=0 [L30] COND TRUE i