/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=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --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 [2020-09-24 19:33:27,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 19:33:27,056 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 19:33:27,104 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 19:33:27,105 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 19:33:27,116 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 19:33:27,118 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 19:33:27,122 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 19:33:27,125 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 19:33:27,129 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 19:33:27,130 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 19:33:27,131 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 19:33:27,131 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 19:33:27,134 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 19:33:27,137 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 19:33:27,138 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 19:33:27,140 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 19:33:27,141 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 19:33:27,143 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 19:33:27,153 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 19:33:27,155 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 19:33:27,156 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 19:33:27,157 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 19:33:27,158 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 19:33:27,161 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 19:33:27,161 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 19:33:27,162 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 19:33:27,164 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 19:33:27,165 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 19:33:27,166 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 19:33:27,166 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 19:33:27,167 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 19:33:27,168 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 19:33:27,169 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 19:33:27,170 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 19:33:27,170 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 19:33:27,171 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 19:33:27,171 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 19:33:27,171 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 19:33:27,172 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 19:33:27,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 19:33:27,175 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 19:33:27,226 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 19:33:27,226 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 19:33:27,228 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 19:33:27,228 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 19:33:27,228 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 19:33:27,229 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 19:33:27,229 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 19:33:27,229 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 19:33:27,230 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 19:33:27,230 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 19:33:27,231 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 19:33:27,231 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 19:33:27,231 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 19:33:27,232 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 19:33:27,232 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 19:33:27,232 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 19:33:27,233 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 19:33:27,233 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 19:33:27,233 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 19:33:27,233 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 19:33:27,233 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 19:33:27,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 19:33:27,234 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 19:33:27,234 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 19:33:27,234 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 19:33:27,234 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 19:33:27,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 19:33:27,235 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 19:33:27,235 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 19:33:27,235 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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-24 19:33:27,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 19:33:27,764 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 19:33:27,769 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 19:33:27,770 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 19:33:27,771 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 19:33:27,772 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/s3liff.c [2020-09-24 19:33:27,858 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a889af975/0b414fefefea44b8b1eb4650f88c4a1b/FLAGf701af903 [2020-09-24 19:33:28,367 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 19:33:28,368 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/s3liff.c [2020-09-24 19:33:28,376 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a889af975/0b414fefefea44b8b1eb4650f88c4a1b/FLAGf701af903 [2020-09-24 19:33:28,720 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a889af975/0b414fefefea44b8b1eb4650f88c4a1b [2020-09-24 19:33:28,735 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 19:33:28,742 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 19:33:28,745 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 19:33:28,745 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 19:33:28,749 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 19:33:28,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 07:33:28" (1/1) ... [2020-09-24 19:33:28,755 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@244669af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:28, skipping insertion in model container [2020-09-24 19:33:28,755 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 07:33:28" (1/1) ... [2020-09-24 19:33:28,765 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 19:33:28,794 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 19:33:29,038 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 19:33:29,050 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 19:33:29,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 19:33:29,094 INFO L208 MainTranslator]: Completed translation [2020-09-24 19:33:29,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:29 WrapperNode [2020-09-24 19:33:29,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 19:33:29,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 19:33:29,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 19:33:29,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 19:33:29,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:29" (1/1) ... [2020-09-24 19:33:29,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:29" (1/1) ... [2020-09-24 19:33:29,207 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:29" (1/1) ... [2020-09-24 19:33:29,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:29" (1/1) ... [2020-09-24 19:33:29,218 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:29" (1/1) ... [2020-09-24 19:33:29,224 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:29" (1/1) ... [2020-09-24 19:33:29,226 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:29" (1/1) ... [2020-09-24 19:33:29,228 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 19:33:29,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 19:33:29,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 19:33:29,229 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 19:33:29,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:29" (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 19:33:29,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 19:33:29,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 19:33:29,305 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 19:33:29,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-24 19:33:29,305 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 19:33:29,306 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 19:33:29,306 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 19:33:29,306 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 19:33:29,306 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-24 19:33:29,306 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 19:33:29,307 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 19:33:29,307 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 19:33:29,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 19:33:29,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 19:33:29,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 19:33:29,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 19:33:29,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 19:33:29,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 19:33:29,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 19:33:29,625 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 19:33:29,626 INFO L295 CfgBuilder]: Removed 3 assume(true) statements. [2020-09-24 19:33:29,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 07:33:29 BoogieIcfgContainer [2020-09-24 19:33:29,632 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 19:33:29,633 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 19:33:29,633 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 19:33:29,636 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 19:33:29,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 07:33:28" (1/3) ... [2020-09-24 19:33:29,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6301b3fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 07:33:29, skipping insertion in model container [2020-09-24 19:33:29,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:29" (2/3) ... [2020-09-24 19:33:29,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6301b3fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 07:33:29, skipping insertion in model container [2020-09-24 19:33:29,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 07:33:29" (3/3) ... [2020-09-24 19:33:29,641 INFO L109 eAbstractionObserver]: Analyzing ICFG s3liff.c [2020-09-24 19:33:29,652 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 19:33:29,662 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 19:33:29,699 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 19:33:29,732 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 19:33:29,732 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 19:33:29,732 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 19:33:29,732 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 19:33:29,732 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 19:33:29,733 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 19:33:29,733 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 19:33:29,733 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 19:33:29,755 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2020-09-24 19:33:29,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-24 19:33:29,763 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:33:29,764 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] [2020-09-24 19:33:29,765 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:33:29,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:33:29,771 INFO L82 PathProgramCache]: Analyzing trace with hash -2050446892, now seen corresponding path program 1 times [2020-09-24 19:33:29,781 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:33:29,781 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [351554735] [2020-09-24 19:33:29,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:33:29,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:33:29,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:30,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:30,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:30,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:33:30,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 19:33:30,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 19:33:30,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 288 [2020-09-24 19:33:30,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:33:30,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:33:30,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-09-24 19:33:30,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:33:30,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 19:33:30,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:33:30,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:33:30,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:30,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:33:30,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:33:30,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:33:30,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 19:33:30,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:33:30,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:33:30,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:33:30,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:33:30,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:33:30,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 19:33:30,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:33:30,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:30,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:33:30,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:33:30,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:33:30,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 19:33:30,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:33:30,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:33:30,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:33:30,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:33:30,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:33:30,410 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 19:33:30,411 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [351554735] [2020-09-24 19:33:30,414 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:33:30,415 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 19:33:30,416 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290948156] [2020-09-24 19:33:30,423 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 19:33:30,424 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:33:30,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 19:33:30,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 19:33:30,446 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 3 states. [2020-09-24 19:33:30,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:33:30,624 INFO L93 Difference]: Finished difference Result 125 states and 142 transitions. [2020-09-24 19:33:30,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 19:33:30,626 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-09-24 19:33:30,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:33:30,638 INFO L225 Difference]: With dead ends: 125 [2020-09-24 19:33:30,638 INFO L226 Difference]: Without dead ends: 59 [2020-09-24 19:33:30,643 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 19:33:30,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-09-24 19:33:30,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-09-24 19:33:30,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-09-24 19:33:30,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 62 transitions. [2020-09-24 19:33:30,697 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 62 transitions. Word has length 33 [2020-09-24 19:33:30,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:33:30,698 INFO L479 AbstractCegarLoop]: Abstraction has 59 states and 62 transitions. [2020-09-24 19:33:30,698 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 19:33:30,699 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 62 transitions. [2020-09-24 19:33:30,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-24 19:33:30,700 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:33:30,700 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] [2020-09-24 19:33:30,701 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 19:33:30,701 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:33:30,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:33:30,702 INFO L82 PathProgramCache]: Analyzing trace with hash -341126016, now seen corresponding path program 1 times [2020-09-24 19:33:30,702 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:33:30,703 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [125799585] [2020-09-24 19:33:30,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:33:30,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:33:30,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:30,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:30,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:31,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:33:31,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 19:33:31,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 19:33:31,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 762 [2020-09-24 19:33:31,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:33:31,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 19:33:31,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 19:33:31,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 19:33:31,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 19:33:31,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:33:31,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:33:31,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:31,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:33:31,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:33:31,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:33:31,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 19:33:31,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:33:31,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:33:31,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:33:31,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:33:31,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:33:31,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 19:33:31,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:33:31,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:31,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:33:31,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:33:31,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:33:31,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 19:33:31,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:33:31,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:33:31,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:33:31,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 19:33:31,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:33:31,641 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 19:33:31,642 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [125799585] [2020-09-24 19:33:31,643 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:33:31,643 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 19:33:31,644 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226607617] [2020-09-24 19:33:31,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 19:33:31,648 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:33:31,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 19:33:31,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-24 19:33:31,649 INFO L87 Difference]: Start difference. First operand 59 states and 62 transitions. Second operand 5 states. [2020-09-24 19:33:31,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:33:31,969 INFO L93 Difference]: Finished difference Result 93 states and 101 transitions. [2020-09-24 19:33:31,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 19:33:31,970 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-09-24 19:33:31,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:33:31,971 INFO L225 Difference]: With dead ends: 93 [2020-09-24 19:33:31,971 INFO L226 Difference]: Without dead ends: 62 [2020-09-24 19:33:31,975 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 19:33:31,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-09-24 19:33:31,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2020-09-24 19:33:31,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-09-24 19:33:31,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 65 transitions. [2020-09-24 19:33:31,997 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 65 transitions. Word has length 33 [2020-09-24 19:33:31,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:33:31,997 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 65 transitions. [2020-09-24 19:33:31,997 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 19:33:31,998 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2020-09-24 19:33:32,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-24 19:33:32,003 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:33:32,003 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] [2020-09-24 19:33:32,003 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 19:33:32,004 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:33:32,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:33:32,005 INFO L82 PathProgramCache]: Analyzing trace with hash 746418975, now seen corresponding path program 1 times [2020-09-24 19:33:32,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:33:32,005 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1496730921] [2020-09-24 19:33:32,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:33:32,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-24 19:33:32,054 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-24 19:33:32,054 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-24 19:33:32,061 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 19:33:32,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 07:33:32 BoogieIcfgContainer [2020-09-24 19:33:32,092 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 19:33:32,098 INFO L168 Benchmark]: Toolchain (without parser) took 3357.06 ms. Allocated memory was 148.4 MB in the beginning and 233.3 MB in the end (delta: 84.9 MB). Free memory was 105.1 MB in the beginning and 132.7 MB in the end (delta: -27.6 MB). Peak memory consumption was 57.3 MB. Max. memory is 7.1 GB. [2020-09-24 19:33:32,101 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 148.4 MB. Free memory was 123.1 MB in the beginning and 122.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 19:33:32,103 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.88 ms. Allocated memory is still 148.4 MB. Free memory was 104.4 MB in the beginning and 93.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2020-09-24 19:33:32,104 INFO L168 Benchmark]: Boogie Preprocessor took 132.58 ms. Allocated memory was 148.4 MB in the beginning and 205.0 MB in the end (delta: 56.6 MB). Free memory was 93.9 MB in the beginning and 182.9 MB in the end (delta: -89.0 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2020-09-24 19:33:32,105 INFO L168 Benchmark]: RCFGBuilder took 402.87 ms. Allocated memory is still 205.0 MB. Free memory was 182.2 MB in the beginning and 162.4 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. [2020-09-24 19:33:32,107 INFO L168 Benchmark]: TraceAbstraction took 2458.96 ms. Allocated memory was 205.0 MB in the beginning and 233.3 MB in the end (delta: 28.3 MB). Free memory was 161.7 MB in the beginning and 132.7 MB in the end (delta: 29.0 MB). Peak memory consumption was 57.3 MB. Max. memory is 7.1 GB. [2020-09-24 19:33:32,117 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 148.4 MB. Free memory was 123.1 MB in the beginning and 122.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 350.88 ms. Allocated memory is still 148.4 MB. Free memory was 104.4 MB in the beginning and 93.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.58 ms. Allocated memory was 148.4 MB in the beginning and 205.0 MB in the end (delta: 56.6 MB). Free memory was 93.9 MB in the beginning and 182.9 MB in the end (delta: -89.0 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 402.87 ms. Allocated memory is still 205.0 MB. Free memory was 182.2 MB in the beginning and 162.4 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2458.96 ms. Allocated memory was 205.0 MB in the beginning and 233.3 MB in the end (delta: 28.3 MB). Free memory was 161.7 MB in the beginning and 132.7 MB in the end (delta: 29.0 MB). Peak memory consumption was 57.3 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