/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=DEEPEST --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 [2020-09-25 01:09:22,067 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 01:09:22,071 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 01:09:22,135 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 01:09:22,136 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 01:09:22,149 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 01:09:22,150 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 01:09:22,153 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 01:09:22,156 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 01:09:22,159 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 01:09:22,160 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 01:09:22,162 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 01:09:22,163 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 01:09:22,166 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 01:09:22,170 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 01:09:22,172 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 01:09:22,173 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 01:09:22,176 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 01:09:22,177 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 01:09:22,184 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 01:09:22,188 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 01:09:22,189 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 01:09:22,190 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 01:09:22,191 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 01:09:22,196 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 01:09:22,196 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 01:09:22,197 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 01:09:22,200 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 01:09:22,201 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 01:09:22,203 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 01:09:22,203 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 01:09:22,204 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 01:09:22,205 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 01:09:22,206 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 01:09:22,208 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 01:09:22,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 01:09:22,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 01:09:22,209 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 01:09:22,209 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 01:09:22,210 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 01:09:22,212 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 01:09:22,213 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 01:09:22,269 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 01:09:22,270 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 01:09:22,272 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 01:09:22,273 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 01:09:22,273 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 01:09:22,273 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 01:09:22,274 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 01:09:22,274 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 01:09:22,274 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 01:09:22,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 01:09:22,276 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 01:09:22,276 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 01:09:22,276 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 01:09:22,277 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 01:09:22,277 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 01:09:22,277 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 01:09:22,277 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 01:09:22,278 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 01:09:22,278 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 01:09:22,278 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 01:09:22,278 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 01:09:22,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 01:09:22,279 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 01:09:22,279 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 01:09:22,279 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 01:09:22,279 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 01:09:22,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 01:09:22,280 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 01:09:22,280 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 01:09:22,280 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=DEEPEST;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=DEEPEST;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=DEEPEST;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=DEEPEST;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=DEEPEST;log-additional-information=true; [2020-09-25 01:09:22,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 01:09:22,811 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 01:09:22,817 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 01:09:22,820 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 01:09:22,820 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 01:09:22,821 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/sina3f.c [2020-09-25 01:09:22,896 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/905cde876/d76a116638214e04add32572794a8556/FLAGe707fecdb [2020-09-25 01:09:23,425 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 01:09:23,425 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/sina3f.c [2020-09-25 01:09:23,433 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/905cde876/d76a116638214e04add32572794a8556/FLAGe707fecdb [2020-09-25 01:09:23,778 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/905cde876/d76a116638214e04add32572794a8556 [2020-09-25 01:09:23,794 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 01:09:23,801 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 01:09:23,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 01:09:23,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 01:09:23,809 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 01:09:23,810 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:09:23" (1/1) ... [2020-09-25 01:09:23,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1850e0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:23, skipping insertion in model container [2020-09-25 01:09:23,815 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:09:23" (1/1) ... [2020-09-25 01:09:23,825 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 01:09:23,857 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 01:09:24,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 01:09:24,123 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 01:09:24,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 01:09:24,172 INFO L208 MainTranslator]: Completed translation [2020-09-25 01:09:24,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:24 WrapperNode [2020-09-25 01:09:24,173 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 01:09:24,174 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 01:09:24,174 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 01:09:24,175 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 01:09:24,266 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:24" (1/1) ... [2020-09-25 01:09:24,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:24" (1/1) ... [2020-09-25 01:09:24,276 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:24" (1/1) ... [2020-09-25 01:09:24,277 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:24" (1/1) ... [2020-09-25 01:09:24,287 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:24" (1/1) ... [2020-09-25 01:09:24,298 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:24" (1/1) ... [2020-09-25 01:09:24,300 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:24" (1/1) ... [2020-09-25 01:09:24,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 01:09:24,304 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 01:09:24,304 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 01:09:24,304 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 01:09:24,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:24" (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 01:09:24,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 01:09:24,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 01:09:24,391 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 01:09:24,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-25 01:09:24,392 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 01:09:24,392 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 01:09:24,392 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 01:09:24,392 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 01:09:24,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-25 01:09:24,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 01:09:24,393 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 01:09:24,393 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 01:09:24,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 01:09:24,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 01:09:24,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 01:09:24,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 01:09:24,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 01:09:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 01:09:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 01:09:24,807 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 01:09:24,808 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 01:09:24,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:09:24 BoogieIcfgContainer [2020-09-25 01:09:24,814 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 01:09:24,815 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 01:09:24,816 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 01:09:24,819 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 01:09:24,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:09:23" (1/3) ... [2020-09-25 01:09:24,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4737d4d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:09:24, skipping insertion in model container [2020-09-25 01:09:24,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:24" (2/3) ... [2020-09-25 01:09:24,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4737d4d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:09:24, skipping insertion in model container [2020-09-25 01:09:24,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:09:24" (3/3) ... [2020-09-25 01:09:24,826 INFO L109 eAbstractionObserver]: Analyzing ICFG sina3f.c [2020-09-25 01:09:24,836 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 01:09:24,845 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 01:09:24,865 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 01:09:24,894 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 01:09:24,895 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 01:09:24,895 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 01:09:24,895 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 01:09:24,895 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 01:09:24,895 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 01:09:24,895 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 01:09:24,895 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 01:09:24,919 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states. [2020-09-25 01:09:24,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-09-25 01:09:24,928 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:09:24,929 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] [2020-09-25 01:09:24,930 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:09:24,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:09:24,936 INFO L82 PathProgramCache]: Analyzing trace with hash 1651935650, now seen corresponding path program 1 times [2020-09-25 01:09:24,945 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:09:24,946 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [795744017] [2020-09-25 01:09:24,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:09:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:09:25,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:25,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:25,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:25,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:25,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:25,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:26,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:09:26,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 01:09:26,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 01:09:26,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1116 [2020-09-25 01:09:26,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:09:26,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:09:26,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-09-25 01:09:26,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:09:26,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 01:09:26,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:09:26,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:09:26,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:26,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:09:26,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 01:09:26,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:09:26,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 01:09:26,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:09:26,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:09:26,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:09:26,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:09:26,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 01:09:26,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 01:09:26,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:09:26,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:26,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:09:26,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:09:26,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:09:26,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 01:09:26,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:09:26,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:09:26,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:09:26,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:09:26,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:09:26,364 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 01:09:26,365 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [795744017] [2020-09-25 01:09:26,367 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:09:26,368 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 01:09:26,369 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707673594] [2020-09-25 01:09:26,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 01:09:26,376 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:09:26,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 01:09:26,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 01:09:26,398 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 3 states. [2020-09-25 01:09:26,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:09:26,634 INFO L93 Difference]: Finished difference Result 141 states and 164 transitions. [2020-09-25 01:09:26,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 01:09:26,637 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2020-09-25 01:09:26,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:09:26,648 INFO L225 Difference]: With dead ends: 141 [2020-09-25 01:09:26,648 INFO L226 Difference]: Without dead ends: 70 [2020-09-25 01:09:26,652 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 01:09:26,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-09-25 01:09:26,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2020-09-25 01:09:26,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-09-25 01:09:26,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 74 transitions. [2020-09-25 01:09:26,709 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 74 transitions. Word has length 39 [2020-09-25 01:09:26,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:09:26,710 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 74 transitions. [2020-09-25 01:09:26,710 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 01:09:26,711 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 74 transitions. [2020-09-25 01:09:26,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-09-25 01:09:26,713 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:09:26,713 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] [2020-09-25 01:09:26,714 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 01:09:26,714 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:09:26,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:09:26,714 INFO L82 PathProgramCache]: Analyzing trace with hash 725298104, now seen corresponding path program 1 times [2020-09-25 01:09:26,715 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:09:26,715 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [648445572] [2020-09-25 01:09:26,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:09:26,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:09:26,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:26,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:26,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:26,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:27,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:27,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:27,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:27,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:28,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:09:28,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 01:09:28,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-25 01:09:28,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2106 [2020-09-25 01:09:28,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:09:28,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 01:09:28,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-09-25 01:09:28,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 01:09:28,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 01:09:28,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:09:28,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:09:28,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:28,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:09:28,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 01:09:28,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:09:28,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 01:09:28,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:09:28,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:09:28,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:09:28,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:09:28,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:09:28,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 01:09:28,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:09:28,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:28,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:09:28,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:09:28,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:09:28,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 01:09:28,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:09:28,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:09:28,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:09:28,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:09:28,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:09:28,952 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 01:09:28,952 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [648445572] [2020-09-25 01:09:28,953 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:09:28,953 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 01:09:28,953 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395769677] [2020-09-25 01:09:28,956 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 01:09:28,957 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:09:28,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 01:09:28,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 01:09:28,958 INFO L87 Difference]: Start difference. First operand 70 states and 74 transitions. Second operand 6 states. [2020-09-25 01:09:29,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:09:29,286 INFO L93 Difference]: Finished difference Result 147 states and 162 transitions. [2020-09-25 01:09:29,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-25 01:09:29,287 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2020-09-25 01:09:29,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:09:29,292 INFO L225 Difference]: With dead ends: 147 [2020-09-25 01:09:29,292 INFO L226 Difference]: Without dead ends: 100 [2020-09-25 01:09:29,294 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-25 01:09:29,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2020-09-25 01:09:29,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 74. [2020-09-25 01:09:29,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-09-25 01:09:29,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 78 transitions. [2020-09-25 01:09:29,313 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 78 transitions. Word has length 39 [2020-09-25 01:09:29,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:09:29,313 INFO L479 AbstractCegarLoop]: Abstraction has 74 states and 78 transitions. [2020-09-25 01:09:29,313 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 01:09:29,314 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 78 transitions. [2020-09-25 01:09:29,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-09-25 01:09:29,316 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:09:29,317 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] [2020-09-25 01:09:29,317 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 01:09:29,317 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:09:29,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:09:29,318 INFO L82 PathProgramCache]: Analyzing trace with hash -1675406230, now seen corresponding path program 1 times [2020-09-25 01:09:29,318 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:09:29,319 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [224396245] [2020-09-25 01:09:29,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:09:29,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-25 01:09:29,361 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-25 01:09:29,362 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-25 01:09:29,369 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 01:09:29,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 01:09:29 BoogieIcfgContainer [2020-09-25 01:09:29,397 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 01:09:29,402 INFO L168 Benchmark]: Toolchain (without parser) took 5604.09 ms. Allocated memory was 142.6 MB in the beginning and 244.3 MB in the end (delta: 101.7 MB). Free memory was 105.8 MB in the beginning and 160.4 MB in the end (delta: -54.6 MB). Peak memory consumption was 47.1 MB. Max. memory is 7.1 GB. [2020-09-25 01:09:29,403 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 142.6 MB. Free memory was 124.2 MB in the beginning and 124.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-25 01:09:29,404 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.27 ms. Allocated memory is still 142.6 MB. Free memory was 105.1 MB in the beginning and 94.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2020-09-25 01:09:29,405 INFO L168 Benchmark]: Boogie Preprocessor took 129.12 ms. Allocated memory was 142.6 MB in the beginning and 204.5 MB in the end (delta: 61.9 MB). Free memory was 94.5 MB in the beginning and 182.0 MB in the end (delta: -87.6 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. [2020-09-25 01:09:29,406 INFO L168 Benchmark]: RCFGBuilder took 510.59 ms. Allocated memory is still 204.5 MB. Free memory was 182.0 MB in the beginning and 159.8 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2020-09-25 01:09:29,407 INFO L168 Benchmark]: TraceAbstraction took 4582.01 ms. Allocated memory was 204.5 MB in the beginning and 244.3 MB in the end (delta: 39.8 MB). Free memory was 159.8 MB in the beginning and 160.4 MB in the end (delta: -649.3 kB). Peak memory consumption was 39.2 MB. Max. memory is 7.1 GB. [2020-09-25 01:09:29,412 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 142.6 MB. Free memory was 124.2 MB in the beginning and 124.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 369.27 ms. Allocated memory is still 142.6 MB. Free memory was 105.1 MB in the beginning and 94.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 129.12 ms. Allocated memory was 142.6 MB in the beginning and 204.5 MB in the end (delta: 61.9 MB). Free memory was 94.5 MB in the beginning and 182.0 MB in the end (delta: -87.6 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 510.59 ms. Allocated memory is still 204.5 MB. Free memory was 182.0 MB in the beginning and 159.8 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4582.01 ms. Allocated memory was 204.5 MB in the beginning and 244.3 MB in the end (delta: 39.8 MB). Free memory was 159.8 MB in the beginning and 160.4 MB in the end (delta: -649.3 kB). Peak memory consumption was 39.2 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