/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/s2liff.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 19:33:21,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 19:33:21,796 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 19:33:21,824 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 19:33:21,824 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 19:33:21,826 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 19:33:21,827 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 19:33:21,830 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 19:33:21,832 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 19:33:21,833 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 19:33:21,834 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 19:33:21,836 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 19:33:21,836 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 19:33:21,838 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 19:33:21,839 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 19:33:21,841 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 19:33:21,842 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 19:33:21,843 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 19:33:21,845 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 19:33:21,847 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 19:33:21,851 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 19:33:21,853 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 19:33:21,857 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 19:33:21,858 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 19:33:21,863 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 19:33:21,863 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 19:33:21,863 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 19:33:21,865 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 19:33:21,868 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 19:33:21,869 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 19:33:21,869 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 19:33:21,871 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 19:33:21,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 19:33:21,874 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 19:33:21,876 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 19:33:21,876 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 19:33:21,877 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 19:33:21,877 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 19:33:21,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 19:33:21,879 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 19:33:21,881 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 19:33:21,882 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 19:33:21,942 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 19:33:21,946 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 19:33:21,950 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 19:33:21,950 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 19:33:21,950 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 19:33:21,950 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 19:33:21,951 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 19:33:21,951 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 19:33:21,951 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 19:33:21,951 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 19:33:21,951 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 19:33:21,952 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 19:33:21,953 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 19:33:21,953 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 19:33:21,953 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 19:33:21,953 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 19:33:21,953 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 19:33:21,954 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 19:33:21,954 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 19:33:21,955 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 19:33:21,955 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 19:33:21,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 19:33:21,955 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 19:33:21,956 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 19:33:21,956 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 19:33:21,956 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 19:33:21,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 19:33:21,956 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 19:33:21,957 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 19:33:21,957 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 19:33:22,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 19:33:22,524 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 19:33:22,529 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 19:33:22,532 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 19:33:22,533 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 19:33:22,535 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/s2liff.c [2020-09-24 19:33:22,633 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9ed8b800e/461c8ee63fc444c78679ea37a48f044a/FLAG2d1e0baef [2020-09-24 19:33:23,196 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 19:33:23,197 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/s2liff.c [2020-09-24 19:33:23,207 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9ed8b800e/461c8ee63fc444c78679ea37a48f044a/FLAG2d1e0baef [2020-09-24 19:33:23,518 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9ed8b800e/461c8ee63fc444c78679ea37a48f044a [2020-09-24 19:33:23,532 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 19:33:23,538 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 19:33:23,539 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 19:33:23,539 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 19:33:23,544 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 19:33:23,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 07:33:23" (1/1) ... [2020-09-24 19:33:23,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aa297b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:23, skipping insertion in model container [2020-09-24 19:33:23,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 07:33:23" (1/1) ... [2020-09-24 19:33:23,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 19:33:23,587 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 19:33:23,837 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 19:33:23,849 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 19:33:23,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 19:33:23,894 INFO L208 MainTranslator]: Completed translation [2020-09-24 19:33:23,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:23 WrapperNode [2020-09-24 19:33:23,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 19:33:23,896 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 19:33:23,896 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 19:33:23,897 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 19:33:24,005 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:23" (1/1) ... [2020-09-24 19:33:24,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:23" (1/1) ... [2020-09-24 19:33:24,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:23" (1/1) ... [2020-09-24 19:33:24,022 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:23" (1/1) ... [2020-09-24 19:33:24,044 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:23" (1/1) ... [2020-09-24 19:33:24,059 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:23" (1/1) ... [2020-09-24 19:33:24,064 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:23" (1/1) ... [2020-09-24 19:33:24,070 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 19:33:24,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 19:33:24,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 19:33:24,071 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 19:33:24,074 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:23" (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 19:33:24,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 19:33:24,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 19:33:24,148 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 19:33:24,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-24 19:33:24,148 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 19:33:24,149 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 19:33:24,149 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 19:33:24,149 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 19:33:24,149 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-24 19:33:24,149 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 19:33:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 19:33:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 19:33:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 19:33:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 19:33:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 19:33:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 19:33:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 19:33:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 19:33:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 19:33:24,506 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 19:33:24,507 INFO L295 CfgBuilder]: Removed 3 assume(true) statements. [2020-09-24 19:33:24,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 07:33:24 BoogieIcfgContainer [2020-09-24 19:33:24,514 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 19:33:24,516 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 19:33:24,516 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 19:33:24,520 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 19:33:24,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 07:33:23" (1/3) ... [2020-09-24 19:33:24,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e50863a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 07:33:24, skipping insertion in model container [2020-09-24 19:33:24,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:23" (2/3) ... [2020-09-24 19:33:24,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e50863a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 07:33:24, skipping insertion in model container [2020-09-24 19:33:24,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 07:33:24" (3/3) ... [2020-09-24 19:33:24,524 INFO L109 eAbstractionObserver]: Analyzing ICFG s2liff.c [2020-09-24 19:33:24,539 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 19:33:24,550 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 19:33:24,574 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 19:33:24,621 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 19:33:24,621 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 19:33:24,621 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 19:33:24,622 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 19:33:24,622 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 19:33:24,622 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 19:33:24,622 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 19:33:24,622 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 19:33:24,650 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2020-09-24 19:33:24,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-24 19:33:24,659 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:33:24,660 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 19:33:24,661 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:33:24,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:33:24,668 INFO L82 PathProgramCache]: Analyzing trace with hash -2050446892, now seen corresponding path program 1 times [2020-09-24 19:33:24,678 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:33:24,678 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2004470313] [2020-09-24 19:33:24,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:33:24,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:33:24,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:24,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:24,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:25,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:33:25,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 19:33:25,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 19:33:25,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 286 [2020-09-24 19:33:25,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:33:25,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:33:25,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-09-24 19:33:25,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:33:25,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 19:33:25,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:33:25,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:33:25,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:25,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:33:25,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:33:25,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:33:25,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 19:33:25,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:33:25,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:33:25,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:33:25,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:33:25,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:33:25,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 19:33:25,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:33:25,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:25,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:33:25,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:33:25,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:33:25,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:33:25,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:33:25,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:33:25,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:33:25,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:33:25,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:33:25,317 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 19:33:25,318 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2004470313] [2020-09-24 19:33:25,321 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:33:25,321 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 19:33:25,322 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173255410] [2020-09-24 19:33:25,329 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 19:33:25,330 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:33:25,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 19:33:25,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 19:33:25,353 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 3 states. [2020-09-24 19:33:25,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:33:25,586 INFO L93 Difference]: Finished difference Result 125 states and 142 transitions. [2020-09-24 19:33:25,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 19:33:25,588 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-09-24 19:33:25,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:33:25,607 INFO L225 Difference]: With dead ends: 125 [2020-09-24 19:33:25,608 INFO L226 Difference]: Without dead ends: 59 [2020-09-24 19:33:25,613 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 19:33:25,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-09-24 19:33:25,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-09-24 19:33:25,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-09-24 19:33:25,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 62 transitions. [2020-09-24 19:33:25,668 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 62 transitions. Word has length 33 [2020-09-24 19:33:25,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:33:25,668 INFO L479 AbstractCegarLoop]: Abstraction has 59 states and 62 transitions. [2020-09-24 19:33:25,669 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 19:33:25,669 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 62 transitions. [2020-09-24 19:33:25,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-24 19:33:25,670 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:33:25,671 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 19:33:25,671 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 19:33:25,671 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:33:25,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:33:25,672 INFO L82 PathProgramCache]: Analyzing trace with hash -341126016, now seen corresponding path program 1 times [2020-09-24 19:33:25,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:33:25,673 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2078816520] [2020-09-24 19:33:25,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:33:25,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:33:25,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:25,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:25,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:26,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:33:26,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 19:33:26,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 19:33:26,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 638 [2020-09-24 19:33:26,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:33:26,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 19:33:26,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 19:33:26,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 19:33:26,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:33:26,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:33:26,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:33:26,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:26,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:33:26,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:33:26,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:33:26,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 19:33:26,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:33:26,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:33:26,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:33:26,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:33:26,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:33:26,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 19:33:26,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:33:26,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:26,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:33:26,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:33:26,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:33:26,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 19:33:26,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:33:26,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:33:26,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:33:26,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 19:33:26,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:33:26,433 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 19:33:26,434 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2078816520] [2020-09-24 19:33:26,434 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:33:26,434 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 19:33:26,435 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158616718] [2020-09-24 19:33:26,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 19:33:26,439 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:33:26,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 19:33:26,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-24 19:33:26,439 INFO L87 Difference]: Start difference. First operand 59 states and 62 transitions. Second operand 5 states. [2020-09-24 19:33:26,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:33:26,685 INFO L93 Difference]: Finished difference Result 93 states and 101 transitions. [2020-09-24 19:33:26,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 19:33:26,685 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-09-24 19:33:26,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:33:26,687 INFO L225 Difference]: With dead ends: 93 [2020-09-24 19:33:26,687 INFO L226 Difference]: Without dead ends: 62 [2020-09-24 19:33:26,689 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 19:33:26,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-09-24 19:33:26,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2020-09-24 19:33:26,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-09-24 19:33:26,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 65 transitions. [2020-09-24 19:33:26,700 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 65 transitions. Word has length 33 [2020-09-24 19:33:26,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:33:26,700 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 65 transitions. [2020-09-24 19:33:26,700 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 19:33:26,701 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2020-09-24 19:33:26,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-24 19:33:26,702 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:33:26,703 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 19:33:26,703 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 19:33:26,703 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:33:26,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:33:26,704 INFO L82 PathProgramCache]: Analyzing trace with hash 746418975, now seen corresponding path program 1 times [2020-09-24 19:33:26,704 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:33:26,704 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [15367290] [2020-09-24 19:33:26,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:33:26,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-24 19:33:26,735 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-24 19:33:26,736 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-24 19:33:26,741 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 19:33:26,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 07:33:26 BoogieIcfgContainer [2020-09-24 19:33:26,764 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 19:33:26,768 INFO L168 Benchmark]: Toolchain (without parser) took 3232.71 ms. Allocated memory was 145.2 MB in the beginning and 231.7 MB in the end (delta: 86.5 MB). Free memory was 101.9 MB in the beginning and 136.0 MB in the end (delta: -34.2 MB). Peak memory consumption was 52.3 MB. Max. memory is 7.1 GB. [2020-09-24 19:33:26,769 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 145.2 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 19:33:26,770 INFO L168 Benchmark]: CACSL2BoogieTranslator took 356.76 ms. Allocated memory is still 145.2 MB. Free memory was 101.2 MB in the beginning and 90.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2020-09-24 19:33:26,771 INFO L168 Benchmark]: Boogie Preprocessor took 174.26 ms. Allocated memory was 145.2 MB in the beginning and 200.3 MB in the end (delta: 55.1 MB). Free memory was 90.6 MB in the beginning and 177.3 MB in the end (delta: -86.7 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2020-09-24 19:33:26,772 INFO L168 Benchmark]: RCFGBuilder took 443.59 ms. Allocated memory is still 200.3 MB. Free memory was 177.3 MB in the beginning and 157.2 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. [2020-09-24 19:33:26,773 INFO L168 Benchmark]: TraceAbstraction took 2248.29 ms. Allocated memory was 200.3 MB in the beginning and 231.7 MB in the end (delta: 31.5 MB). Free memory was 156.6 MB in the beginning and 136.0 MB in the end (delta: 20.5 MB). Peak memory consumption was 52.0 MB. Max. memory is 7.1 GB. [2020-09-24 19:33:26,777 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 145.2 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 356.76 ms. Allocated memory is still 145.2 MB. Free memory was 101.2 MB in the beginning and 90.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 174.26 ms. Allocated memory was 145.2 MB in the beginning and 200.3 MB in the end (delta: 55.1 MB). Free memory was 90.6 MB in the beginning and 177.3 MB in the end (delta: -86.7 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 443.59 ms. Allocated memory is still 200.3 MB. Free memory was 177.3 MB in the beginning and 157.2 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2248.29 ms. Allocated memory was 200.3 MB in the beginning and 231.7 MB in the end (delta: 31.5 MB). Free memory was 156.6 MB in the beginning and 136.0 MB in the end (delta: 20.5 MB). Peak memory consumption was 52.0 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