/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-fpi/s1liff.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 00:03:28,776 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 00:03:28,781 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 00:03:28,825 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 00:03:28,826 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 00:03:28,834 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 00:03:28,836 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 00:03:28,840 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 00:03:28,843 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 00:03:28,846 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 00:03:28,847 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 00:03:28,848 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 00:03:28,849 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 00:03:28,852 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 00:03:28,855 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 00:03:28,857 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 00:03:28,859 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 00:03:28,860 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 00:03:28,861 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 00:03:28,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 00:03:28,873 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 00:03:28,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 00:03:28,875 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 00:03:28,876 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 00:03:28,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 00:03:28,894 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 00:03:28,894 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 00:03:28,895 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 00:03:28,895 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 00:03:28,899 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 00:03:28,899 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 00:03:28,900 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 00:03:28,904 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 00:03:28,905 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 00:03:28,906 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 00:03:28,906 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 00:03:28,908 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 00:03:28,908 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 00:03:28,909 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 00:03:28,910 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 00:03:28,911 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 00:03:28,912 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 00:03:28,960 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 00:03:28,961 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 00:03:28,963 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 00:03:28,964 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 00:03:28,964 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 00:03:28,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 00:03:28,964 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 00:03:28,965 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 00:03:28,965 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 00:03:28,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 00:03:28,966 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 00:03:28,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 00:03:28,967 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 00:03:28,967 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 00:03:28,968 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 00:03:28,968 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 00:03:28,968 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 00:03:28,969 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 00:03:28,969 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 00:03:28,969 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 00:03:28,969 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 00:03:28,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 00:03:28,970 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 00:03:28,970 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 00:03:28,970 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 00:03:28,970 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 00:03:28,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 00:03:28,971 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 00:03:28,971 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 00:03:28,971 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; [2020-09-25 00:03:29,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 00:03:29,507 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 00:03:29,512 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 00:03:29,515 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 00:03:29,516 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 00:03:29,517 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/s1liff.c [2020-09-25 00:03:29,612 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0985d3ac9/0bf39e7969fe479fbcf5e8f2b25fe1d0/FLAG2f764ea57 [2020-09-25 00:03:30,131 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 00:03:30,132 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/s1liff.c [2020-09-25 00:03:30,141 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0985d3ac9/0bf39e7969fe479fbcf5e8f2b25fe1d0/FLAG2f764ea57 [2020-09-25 00:03:30,470 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0985d3ac9/0bf39e7969fe479fbcf5e8f2b25fe1d0 [2020-09-25 00:03:30,486 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 00:03:30,492 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 00:03:30,493 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 00:03:30,494 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 00:03:30,499 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 00:03:30,501 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:03:30" (1/1) ... [2020-09-25 00:03:30,507 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 12:03:30, skipping insertion in model container [2020-09-25 00:03:30,507 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:03:30" (1/1) ... [2020-09-25 00:03:30,518 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 00:03:30,549 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 00:03:30,793 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:03:30,804 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 00:03:30,831 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:03:30,851 INFO L208 MainTranslator]: Completed translation [2020-09-25 00:03:30,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:30 WrapperNode [2020-09-25 00:03:30,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 00:03:30,853 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 00:03:30,853 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 00:03:30,853 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 00:03:30,942 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:30" (1/1) ... [2020-09-25 00:03:30,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:30" (1/1) ... [2020-09-25 00:03:30,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:30" (1/1) ... [2020-09-25 00:03:30,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:30" (1/1) ... [2020-09-25 00:03:30,972 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:30" (1/1) ... [2020-09-25 00:03:30,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:30" (1/1) ... [2020-09-25 00:03:30,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:30" (1/1) ... [2020-09-25 00:03:30,983 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 00:03:30,983 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 00:03:30,984 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 00:03:30,984 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 00:03:30,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:30" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 00:03:31,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 00:03:31,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 00:03:31,060 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 00:03:31,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-25 00:03:31,060 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 00:03:31,060 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 00:03:31,060 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 00:03:31,061 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 00:03:31,061 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-25 00:03:31,061 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 00:03:31,061 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 00:03:31,061 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 00:03:31,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 00:03:31,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 00:03:31,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 00:03:31,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 00:03:31,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 00:03:31,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 00:03:31,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 00:03:31,405 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 00:03:31,406 INFO L295 CfgBuilder]: Removed 3 assume(true) statements. [2020-09-25 00:03:31,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:03:31 BoogieIcfgContainer [2020-09-25 00:03:31,412 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 00:03:31,413 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 00:03:31,413 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 00:03:31,417 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 00:03:31,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:03:30" (1/3) ... [2020-09-25 00:03:31,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b2a9567 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:03:31, skipping insertion in model container [2020-09-25 00:03:31,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:30" (2/3) ... [2020-09-25 00:03:31,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b2a9567 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:03:31, skipping insertion in model container [2020-09-25 00:03:31,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:03:31" (3/3) ... [2020-09-25 00:03:31,422 INFO L109 eAbstractionObserver]: Analyzing ICFG s1liff.c [2020-09-25 00:03:31,431 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 00:03:31,441 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 00:03:31,460 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 00:03:31,487 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 00:03:31,487 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 00:03:31,487 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 00:03:31,487 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 00:03:31,488 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 00:03:31,488 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 00:03:31,488 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 00:03:31,488 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 00:03:31,513 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2020-09-25 00:03:31,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-25 00:03:31,521 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:03:31,522 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:03:31,522 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:03:31,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:03:31,529 INFO L82 PathProgramCache]: Analyzing trace with hash -2050446892, now seen corresponding path program 1 times [2020-09-25 00:03:31,538 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:03:31,539 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [842039388] [2020-09-25 00:03:31,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:03:31,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:03:31,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:31,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:31,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:32,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:03:32,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 00:03:32,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 00:03:32,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 328 [2020-09-25 00:03:32,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:03:32,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:03:32,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-09-25 00:03:32,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:03:32,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 00:03:32,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:03:32,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:03:32,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:32,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:03:32,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:03:32,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:03:32,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 00:03:32,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:03:32,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:03:32,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:03:32,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:03:32,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:03:32,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 00:03:32,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:03:32,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:32,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:03:32,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 00:03:32,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:03:32,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 00:03:32,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:03:32,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:03:32,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:03:32,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:03:32,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:03:32,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 00:03:32,200 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [842039388] [2020-09-25 00:03:32,203 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:03:32,203 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 00:03:32,204 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258881837] [2020-09-25 00:03:32,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 00:03:32,213 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:03:32,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 00:03:32,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 00:03:32,234 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 3 states. [2020-09-25 00:03:32,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:03:32,442 INFO L93 Difference]: Finished difference Result 125 states and 142 transitions. [2020-09-25 00:03:32,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 00:03:32,444 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-09-25 00:03:32,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:03:32,456 INFO L225 Difference]: With dead ends: 125 [2020-09-25 00:03:32,457 INFO L226 Difference]: Without dead ends: 59 [2020-09-25 00:03:32,462 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 00:03:32,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-09-25 00:03:32,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-09-25 00:03:32,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-09-25 00:03:32,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 62 transitions. [2020-09-25 00:03:32,520 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 62 transitions. Word has length 33 [2020-09-25 00:03:32,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:03:32,521 INFO L479 AbstractCegarLoop]: Abstraction has 59 states and 62 transitions. [2020-09-25 00:03:32,521 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 00:03:32,522 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 62 transitions. [2020-09-25 00:03:32,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-25 00:03:32,523 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:03:32,524 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:03:32,524 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 00:03:32,524 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:03:32,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:03:32,525 INFO L82 PathProgramCache]: Analyzing trace with hash -341126016, now seen corresponding path program 1 times [2020-09-25 00:03:32,525 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:03:32,526 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [631685023] [2020-09-25 00:03:32,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:03:32,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:03:32,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:32,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:32,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:33,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:03:33,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 00:03:33,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 00:03:33,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 778 [2020-09-25 00:03:33,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:03:33,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 00:03:33,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-25 00:03:33,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-25 00:03:33,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 00:03:33,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:03:33,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:03:33,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:33,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:03:33,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:03:33,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:03:33,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 00:03:33,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:03:33,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:03:33,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:03:33,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:03:33,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:03:33,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 00:03:33,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:03:33,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:33,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:03:33,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 00:03:33,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:03:33,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 00:03:33,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:03:33,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:03:33,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:03:33,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 00:03:33,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:03:33,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 00:03:33,439 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [631685023] [2020-09-25 00:03:33,440 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:03:33,440 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 00:03:33,440 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053222276] [2020-09-25 00:03:33,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 00:03:33,444 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:03:33,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 00:03:33,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-25 00:03:33,445 INFO L87 Difference]: Start difference. First operand 59 states and 62 transitions. Second operand 5 states. [2020-09-25 00:03:33,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:03:33,648 INFO L93 Difference]: Finished difference Result 93 states and 101 transitions. [2020-09-25 00:03:33,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-25 00:03:33,648 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-09-25 00:03:33,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:03:33,650 INFO L225 Difference]: With dead ends: 93 [2020-09-25 00:03:33,650 INFO L226 Difference]: Without dead ends: 62 [2020-09-25 00:03:33,652 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-25 00:03:33,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-09-25 00:03:33,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2020-09-25 00:03:33,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-09-25 00:03:33,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 65 transitions. [2020-09-25 00:03:33,663 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 65 transitions. Word has length 33 [2020-09-25 00:03:33,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:03:33,663 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 65 transitions. [2020-09-25 00:03:33,663 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 00:03:33,664 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2020-09-25 00:03:33,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-25 00:03:33,665 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:03:33,666 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:03:33,666 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 00:03:33,666 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:03:33,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:03:33,667 INFO L82 PathProgramCache]: Analyzing trace with hash 746418975, now seen corresponding path program 1 times [2020-09-25 00:03:33,667 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:03:33,667 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1690929325] [2020-09-25 00:03:33,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:03:33,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-25 00:03:33,700 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-25 00:03:33,700 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-25 00:03:33,705 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 00:03:33,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 12:03:33 BoogieIcfgContainer [2020-09-25 00:03:33,727 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 00:03:33,731 INFO L168 Benchmark]: Toolchain (without parser) took 3242.16 ms. Allocated memory was 139.5 MB in the beginning and 235.4 MB in the end (delta: 95.9 MB). Free memory was 102.2 MB in the beginning and 139.5 MB in the end (delta: -37.3 MB). Peak memory consumption was 58.6 MB. Max. memory is 7.1 GB. [2020-09-25 00:03:33,732 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-25 00:03:33,733 INFO L168 Benchmark]: CACSL2BoogieTranslator took 358.87 ms. Allocated memory is still 139.5 MB. Free memory was 101.5 MB in the beginning and 91.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2020-09-25 00:03:33,734 INFO L168 Benchmark]: Boogie Preprocessor took 130.45 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 91.0 MB in the beginning and 180.2 MB in the end (delta: -89.2 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. [2020-09-25 00:03:33,735 INFO L168 Benchmark]: RCFGBuilder took 428.54 ms. Allocated memory is still 202.4 MB. Free memory was 179.6 MB in the beginning and 159.8 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. [2020-09-25 00:03:33,736 INFO L168 Benchmark]: TraceAbstraction took 2314.35 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 159.1 MB in the beginning and 139.5 MB in the end (delta: 19.6 MB). Peak memory consumption was 52.7 MB. Max. memory is 7.1 GB. [2020-09-25 00:03:33,740 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 358.87 ms. Allocated memory is still 139.5 MB. Free memory was 101.5 MB in the beginning and 91.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.45 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 91.0 MB in the beginning and 180.2 MB in the end (delta: -89.2 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 428.54 ms. Allocated memory is still 202.4 MB. Free memory was 179.6 MB in the beginning and 159.8 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2314.35 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 159.1 MB in the beginning and 139.5 MB in the end (delta: 19.6 MB). Peak memory consumption was 52.7 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