/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=LOWLEXORDER --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/modsf.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 21:49:15,284 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 21:49:15,288 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 21:49:15,315 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 21:49:15,316 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 21:49:15,317 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 21:49:15,319 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 21:49:15,321 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 21:49:15,323 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 21:49:15,324 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 21:49:15,325 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 21:49:15,326 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 21:49:15,327 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 21:49:15,328 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 21:49:15,329 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 21:49:15,330 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 21:49:15,331 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 21:49:15,333 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 21:49:15,335 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 21:49:15,337 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 21:49:15,338 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 21:49:15,339 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 21:49:15,341 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 21:49:15,342 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 21:49:15,345 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 21:49:15,345 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 21:49:15,345 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 21:49:15,346 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 21:49:15,347 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 21:49:15,348 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 21:49:15,348 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 21:49:15,349 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 21:49:15,350 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 21:49:15,351 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 21:49:15,352 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 21:49:15,353 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 21:49:15,354 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 21:49:15,354 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 21:49:15,354 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 21:49:15,355 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 21:49:15,356 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 21:49:15,357 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 21:49:15,393 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 21:49:15,393 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 21:49:15,395 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 21:49:15,395 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 21:49:15,395 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 21:49:15,395 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 21:49:15,396 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 21:49:15,396 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 21:49:15,396 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 21:49:15,396 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 21:49:15,396 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 21:49:15,397 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 21:49:15,397 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 21:49:15,397 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 21:49:15,397 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 21:49:15,397 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 21:49:15,397 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 21:49:15,398 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 21:49:15,398 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 21:49:15,398 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 21:49:15,398 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 21:49:15,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 21:49:15,399 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 21:49:15,399 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 21:49:15,399 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 21:49:15,399 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 21:49:15,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 21:49:15,400 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 21:49:15,400 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 21:49:15,400 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=LOWLEXORDER;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=LOWLEXORDER;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=LOWLEXORDER;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=LOWLEXORDER;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=LOWLEXORDER;log-additional-information=true; [2020-09-24 21:49:15,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 21:49:15,908 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 21:49:15,914 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 21:49:15,916 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 21:49:15,916 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 21:49:15,917 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/modsf.c [2020-09-24 21:49:15,996 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bb544caea/c01977ab262a4a01aee58d8eafacf978/FLAG788664d56 [2020-09-24 21:49:16,563 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 21:49:16,564 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/modsf.c [2020-09-24 21:49:16,572 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bb544caea/c01977ab262a4a01aee58d8eafacf978/FLAG788664d56 [2020-09-24 21:49:16,903 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bb544caea/c01977ab262a4a01aee58d8eafacf978 [2020-09-24 21:49:16,916 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 21:49:16,922 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 21:49:16,923 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 21:49:16,923 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 21:49:16,927 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 21:49:16,929 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 09:49:16" (1/1) ... [2020-09-24 21:49:16,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67fe5b14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:49:16, skipping insertion in model container [2020-09-24 21:49:16,934 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 09:49:16" (1/1) ... [2020-09-24 21:49:16,943 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 21:49:16,970 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 21:49:17,225 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 21:49:17,236 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 21:49:17,268 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 21:49:17,373 INFO L208 MainTranslator]: Completed translation [2020-09-24 21:49:17,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:49:17 WrapperNode [2020-09-24 21:49:17,375 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 21:49:17,376 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 21:49:17,376 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 21:49:17,376 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 21:49:17,391 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:49:17" (1/1) ... [2020-09-24 21:49:17,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:49:17" (1/1) ... [2020-09-24 21:49:17,402 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:49:17" (1/1) ... [2020-09-24 21:49:17,403 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:49:17" (1/1) ... [2020-09-24 21:49:17,413 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:49:17" (1/1) ... [2020-09-24 21:49:17,422 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:49:17" (1/1) ... [2020-09-24 21:49:17,424 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:49:17" (1/1) ... [2020-09-24 21:49:17,427 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 21:49:17,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 21:49:17,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 21:49:17,428 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 21:49:17,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:49:17" (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 21:49:17,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 21:49:17,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 21:49:17,509 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 21:49:17,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-24 21:49:17,509 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 21:49:17,509 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 21:49:17,509 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 21:49:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 21:49:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-24 21:49:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 21:49:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 21:49:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 21:49:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 21:49:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 21:49:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 21:49:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 21:49:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 21:49:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 21:49:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 21:49:17,869 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 21:49:17,869 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 21:49:17,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 09:49:17 BoogieIcfgContainer [2020-09-24 21:49:17,876 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 21:49:17,877 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 21:49:17,877 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 21:49:17,881 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 21:49:17,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 09:49:16" (1/3) ... [2020-09-24 21:49:17,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@364dfd23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 09:49:17, skipping insertion in model container [2020-09-24 21:49:17,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:49:17" (2/3) ... [2020-09-24 21:49:17,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@364dfd23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 09:49:17, skipping insertion in model container [2020-09-24 21:49:17,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 09:49:17" (3/3) ... [2020-09-24 21:49:17,886 INFO L109 eAbstractionObserver]: Analyzing ICFG modsf.c [2020-09-24 21:49:17,898 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 21:49:17,910 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 21:49:17,933 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 21:49:17,970 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 21:49:17,970 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 21:49:17,970 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 21:49:17,970 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 21:49:17,971 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 21:49:17,971 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 21:49:17,971 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 21:49:17,971 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 21:49:17,999 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states. [2020-09-24 21:49:18,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-09-24 21:49:18,009 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:49:18,010 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] [2020-09-24 21:49:18,011 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:49:18,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:49:18,018 INFO L82 PathProgramCache]: Analyzing trace with hash 731228111, now seen corresponding path program 1 times [2020-09-24 21:49:18,028 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:49:18,028 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [872216691] [2020-09-24 21:49:18,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:49:18,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:49:18,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:49:18,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:49:18,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:49:18,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:49:18,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:49:18,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-24 21:49:18,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 21:49:18,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 387 [2020-09-24 21:49:18,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:49:18,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:49:18,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-09-24 21:49:18,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:49:18,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 21:49:18,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:49:18,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:49:18,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:49:18,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:49:18,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:49:18,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:49:18,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 21:49:18,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:49:18,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:49:18,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:49:18,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:49:18,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:49:18,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 21:49:18,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:49:18,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:49:18,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:49:18,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 21:49:18,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:49:18,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 21:49:18,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:49:18,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:49:18,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:49:18,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:49:18,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:49:18,704 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 21:49:18,705 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [872216691] [2020-09-24 21:49:18,707 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:49:18,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 21:49:18,709 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608155612] [2020-09-24 21:49:18,723 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 21:49:18,723 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:49:18,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 21:49:18,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 21:49:18,741 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 3 states. [2020-09-24 21:49:18,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:49:18,990 INFO L93 Difference]: Finished difference Result 145 states and 168 transitions. [2020-09-24 21:49:18,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 21:49:18,993 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-09-24 21:49:18,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:49:19,006 INFO L225 Difference]: With dead ends: 145 [2020-09-24 21:49:19,006 INFO L226 Difference]: Without dead ends: 72 [2020-09-24 21:49:19,012 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 21:49:19,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-09-24 21:49:19,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2020-09-24 21:49:19,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-09-24 21:49:19,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 76 transitions. [2020-09-24 21:49:19,074 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 76 transitions. Word has length 37 [2020-09-24 21:49:19,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:49:19,075 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 76 transitions. [2020-09-24 21:49:19,075 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 21:49:19,076 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 76 transitions. [2020-09-24 21:49:19,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-09-24 21:49:19,078 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:49:19,078 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] [2020-09-24 21:49:19,078 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 21:49:19,079 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:49:19,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:49:19,080 INFO L82 PathProgramCache]: Analyzing trace with hash 681190783, now seen corresponding path program 1 times [2020-09-24 21:49:19,081 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:49:19,081 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1783694482] [2020-09-24 21:49:19,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:49:19,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:49:19,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:49:19,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:49:19,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:49:19,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:49:19,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:49:19,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:49:19,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:49:19,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:49:20,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:49:20,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-24 21:49:20,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-24 21:49:20,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1609 [2020-09-24 21:49:20,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:49:20,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 21:49:20,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 21:49:20,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 21:49:20,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 12 [2020-09-24 21:49:20,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:49:20,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:49:20,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:49:20,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:49:20,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:49:20,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:49:20,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 21:49:20,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:49:20,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:49:20,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:49:20,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:49:20,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:49:20,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 21:49:20,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:49:20,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:49:20,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:49:20,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 21:49:20,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:49:20,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 21:49:20,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:49:20,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:49:20,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:49:20,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 21:49:20,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:49:20,829 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 21:49:20,830 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1783694482] [2020-09-24 21:49:20,830 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:49:20,831 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 21:49:20,831 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800897596] [2020-09-24 21:49:20,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 21:49:20,836 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:49:20,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 21:49:20,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-24 21:49:20,837 INFO L87 Difference]: Start difference. First operand 72 states and 76 transitions. Second operand 5 states. [2020-09-24 21:49:21,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:49:21,153 INFO L93 Difference]: Finished difference Result 121 states and 132 transitions. [2020-09-24 21:49:21,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 21:49:21,154 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2020-09-24 21:49:21,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:49:21,156 INFO L225 Difference]: With dead ends: 121 [2020-09-24 21:49:21,156 INFO L226 Difference]: Without dead ends: 77 [2020-09-24 21:49:21,158 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 21:49:21,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-09-24 21:49:21,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 76. [2020-09-24 21:49:21,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-09-24 21:49:21,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 80 transitions. [2020-09-24 21:49:21,170 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 80 transitions. Word has length 37 [2020-09-24 21:49:21,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:49:21,171 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 80 transitions. [2020-09-24 21:49:21,171 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 21:49:21,171 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 80 transitions. [2020-09-24 21:49:21,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-09-24 21:49:21,173 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:49:21,174 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, 1, 1] [2020-09-24 21:49:21,174 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 21:49:21,174 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:49:21,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:49:21,175 INFO L82 PathProgramCache]: Analyzing trace with hash -1093467533, now seen corresponding path program 1 times [2020-09-24 21:49:21,175 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:49:21,175 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1159573367] [2020-09-24 21:49:21,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:49:21,194 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-09-24 21:49:21,195 WARN L168 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2020-09-24 21:49:21,195 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-24 21:49:21,200 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 21:49:21,223 WARN L231 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-09-24 21:49:21,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 09:49:21 BoogieIcfgContainer [2020-09-24 21:49:21,223 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 21:49:21,227 INFO L168 Benchmark]: Toolchain (without parser) took 4307.67 ms. Allocated memory was 147.3 MB in the beginning and 243.3 MB in the end (delta: 95.9 MB). Free memory was 103.8 MB in the beginning and 186.6 MB in the end (delta: -82.8 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. [2020-09-24 21:49:21,228 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 147.3 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.7 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 21:49:21,229 INFO L168 Benchmark]: CACSL2BoogieTranslator took 452.23 ms. Allocated memory was 147.3 MB in the beginning and 203.4 MB in the end (delta: 56.1 MB). Free memory was 103.1 MB in the beginning and 182.2 MB in the end (delta: -79.1 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. [2020-09-24 21:49:21,230 INFO L168 Benchmark]: Boogie Preprocessor took 51.79 ms. Allocated memory is still 203.4 MB. Free memory was 182.2 MB in the beginning and 179.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2020-09-24 21:49:21,231 INFO L168 Benchmark]: RCFGBuilder took 448.22 ms. Allocated memory is still 203.4 MB. Free memory was 179.9 MB in the beginning and 157.7 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2020-09-24 21:49:21,232 INFO L168 Benchmark]: TraceAbstraction took 3346.33 ms. Allocated memory was 203.4 MB in the beginning and 243.3 MB in the end (delta: 39.8 MB). Free memory was 157.0 MB in the beginning and 186.6 MB in the end (delta: -29.6 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2020-09-24 21:49:21,236 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 147.3 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.7 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 452.23 ms. Allocated memory was 147.3 MB in the beginning and 203.4 MB in the end (delta: 56.1 MB). Free memory was 103.1 MB in the beginning and 182.2 MB in the end (delta: -79.1 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.79 ms. Allocated memory is still 203.4 MB. Free memory was 182.2 MB in the beginning and 179.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 448.22 ms. Allocated memory is still 203.4 MB. Free memory was 179.9 MB in the beginning and 157.7 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3346.33 ms. Allocated memory was 203.4 MB in the beginning and 243.3 MB in the end (delta: 39.8 MB). Free memory was 157.0 MB in the beginning and 186.6 MB in the end (delta: -29.6 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 13]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: unable to decide satisfiability of path constraint. Possible 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); [L29] sum[0] = 0 [L30] i=0 [L30] COND TRUE i