/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/sina3f.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 19:33:29,862 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 19:33:29,865 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 19:33:29,893 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 19:33:29,894 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 19:33:29,895 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 19:33:29,897 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 19:33:29,899 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 19:33:29,901 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 19:33:29,902 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 19:33:29,903 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 19:33:29,904 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 19:33:29,905 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 19:33:29,906 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 19:33:29,907 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 19:33:29,909 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 19:33:29,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 19:33:29,911 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 19:33:29,913 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 19:33:29,915 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 19:33:29,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 19:33:29,918 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 19:33:29,920 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 19:33:29,921 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 19:33:29,924 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 19:33:29,924 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 19:33:29,925 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 19:33:29,926 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 19:33:29,926 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 19:33:29,928 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 19:33:29,928 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 19:33:29,929 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 19:33:29,930 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 19:33:29,931 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 19:33:29,932 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 19:33:29,932 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 19:33:29,934 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 19:33:29,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 19:33:29,934 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 19:33:29,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 19:33:29,936 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 19:33:29,937 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 19:33:29,977 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 19:33:29,977 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 19:33:29,984 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 19:33:29,984 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 19:33:29,985 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 19:33:29,985 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 19:33:29,985 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 19:33:29,985 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 19:33:29,988 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 19:33:29,988 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 19:33:29,988 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 19:33:29,989 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 19:33:29,989 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 19:33:29,989 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 19:33:29,989 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 19:33:29,990 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 19:33:29,990 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 19:33:29,990 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 19:33:29,991 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 19:33:29,991 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 19:33:29,991 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 19:33:29,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 19:33:29,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 19:33:29,991 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 19:33:29,995 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 19:33:29,995 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 19:33:29,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 19:33:29,995 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 19:33:29,996 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 19:33:29,996 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 19:33:30,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 19:33:30,509 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 19:33:30,514 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 19:33:30,516 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 19:33:30,516 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 19:33:30,518 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/sina3f.c [2020-09-24 19:33:30,598 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ab925cec0/d5e423ac80c8486286bc2777f268890a/FLAG9007f7788 [2020-09-24 19:33:31,109 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 19:33:31,110 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/sina3f.c [2020-09-24 19:33:31,119 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ab925cec0/d5e423ac80c8486286bc2777f268890a/FLAG9007f7788 [2020-09-24 19:33:31,441 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ab925cec0/d5e423ac80c8486286bc2777f268890a [2020-09-24 19:33:31,458 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 19:33:31,467 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 19:33:31,469 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 19:33:31,470 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 19:33:31,474 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 19:33:31,475 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 07:33:31" (1/1) ... [2020-09-24 19:33:31,481 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56ac5c9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:31, skipping insertion in model container [2020-09-24 19:33:31,481 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 07:33:31" (1/1) ... [2020-09-24 19:33:31,491 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 19:33:31,518 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 19:33:31,808 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 19:33:31,821 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 19:33:31,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 19:33:31,953 INFO L208 MainTranslator]: Completed translation [2020-09-24 19:33:31,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:31 WrapperNode [2020-09-24 19:33:31,954 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 19:33:31,955 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 19:33:31,955 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 19:33:31,955 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 19:33:31,971 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:31" (1/1) ... [2020-09-24 19:33:31,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:31" (1/1) ... [2020-09-24 19:33:31,985 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:31" (1/1) ... [2020-09-24 19:33:31,986 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:31" (1/1) ... [2020-09-24 19:33:31,996 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:31" (1/1) ... [2020-09-24 19:33:32,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:31" (1/1) ... [2020-09-24 19:33:32,006 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:31" (1/1) ... [2020-09-24 19:33:32,013 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 19:33:32,013 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 19:33:32,014 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 19:33:32,014 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 19:33:32,015 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:31" (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 19:33:32,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 19:33:32,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 19:33:32,105 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 19:33:32,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-24 19:33:32,105 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 19:33:32,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 19:33:32,105 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 19:33:32,106 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 19:33:32,106 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-24 19:33:32,106 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 19:33:32,106 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 19:33:32,106 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 19:33:32,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 19:33:32,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 19:33:32,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 19:33:32,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 19:33:32,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 19:33:32,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 19:33:32,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 19:33:32,469 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 19:33:32,470 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 19:33:32,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 07:33:32 BoogieIcfgContainer [2020-09-24 19:33:32,477 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 19:33:32,478 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 19:33:32,479 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 19:33:32,483 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 19:33:32,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 07:33:31" (1/3) ... [2020-09-24 19:33:32,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43436f2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 07:33:32, skipping insertion in model container [2020-09-24 19:33:32,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:31" (2/3) ... [2020-09-24 19:33:32,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43436f2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 07:33:32, skipping insertion in model container [2020-09-24 19:33:32,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 07:33:32" (3/3) ... [2020-09-24 19:33:32,488 INFO L109 eAbstractionObserver]: Analyzing ICFG sina3f.c [2020-09-24 19:33:32,502 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 19:33:32,513 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 19:33:32,539 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 19:33:32,585 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 19:33:32,585 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 19:33:32,585 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 19:33:32,586 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 19:33:32,586 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 19:33:32,586 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 19:33:32,586 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 19:33:32,587 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 19:33:32,615 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states. [2020-09-24 19:33:32,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-09-24 19:33:32,624 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:33:32,625 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:33:32,625 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:33:32,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:33:32,633 INFO L82 PathProgramCache]: Analyzing trace with hash 1651935650, now seen corresponding path program 1 times [2020-09-24 19:33:32,643 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:33:32,644 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [763102896] [2020-09-24 19:33:32,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:33:32,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:33:32,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:32,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:33,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:33,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:33,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:33,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:33,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:33:33,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 19:33:33,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-24 19:33:33,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1008 [2020-09-24 19:33:33,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:33:33,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:33:33,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-09-24 19:33:33,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:33:33,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 19:33:33,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:33:33,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:33:33,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:33,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:33:33,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:33:33,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:33:33,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-24 19:33:33,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:33:33,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:33:33,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:33:33,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:33:33,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:33:33,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 19:33:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:33:33,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:33,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:33:33,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:33:33,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:33:33,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:33:33,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:33:33,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:33:33,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:33:33,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:33:33,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:33:33,961 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 19:33:33,962 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [763102896] [2020-09-24 19:33:33,964 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:33:33,965 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 19:33:33,966 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903460721] [2020-09-24 19:33:33,973 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 19:33:33,974 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:33:33,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 19:33:33,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 19:33:33,999 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 3 states. [2020-09-24 19:33:34,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:33:34,193 INFO L93 Difference]: Finished difference Result 141 states and 164 transitions. [2020-09-24 19:33:34,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 19:33:34,196 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2020-09-24 19:33:34,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:33:34,209 INFO L225 Difference]: With dead ends: 141 [2020-09-24 19:33:34,209 INFO L226 Difference]: Without dead ends: 70 [2020-09-24 19:33:34,214 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 19:33:34,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-09-24 19:33:34,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2020-09-24 19:33:34,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-09-24 19:33:34,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 74 transitions. [2020-09-24 19:33:34,272 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 74 transitions. Word has length 39 [2020-09-24 19:33:34,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:33:34,272 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 74 transitions. [2020-09-24 19:33:34,273 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 19:33:34,273 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 74 transitions. [2020-09-24 19:33:34,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-09-24 19:33:34,275 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:33:34,275 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:33:34,275 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 19:33:34,276 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:33:34,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:33:34,276 INFO L82 PathProgramCache]: Analyzing trace with hash 725298104, now seen corresponding path program 1 times [2020-09-24 19:33:34,277 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:33:34,277 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1827372453] [2020-09-24 19:33:34,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:33:34,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:33:34,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:34,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:34,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:34,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:34,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:34,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:34,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:34,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:35,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:33:35,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 19:33:35,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-24 19:33:35,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1004 [2020-09-24 19:33:35,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:33:35,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 19:33:35,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 19:33:35,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-24 19:33:35,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:33:35,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:33:35,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:33:35,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:35,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:33:35,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:33:35,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:33:35,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 19:33:35,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:33:35,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:33:35,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:33:35,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:33:35,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:33:35,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 19:33:35,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:33:35,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:35,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:33:35,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:33:35,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:33:35,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 19:33:35,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:33:35,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:33:35,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:33:35,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 19:33:35,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:33:35,419 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 19:33:35,420 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1827372453] [2020-09-24 19:33:35,420 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:33:35,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 19:33:35,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606684469] [2020-09-24 19:33:35,424 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 19:33:35,425 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:33:35,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 19:33:35,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-24 19:33:35,426 INFO L87 Difference]: Start difference. First operand 70 states and 74 transitions. Second operand 5 states. [2020-09-24 19:33:35,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:33:35,739 INFO L93 Difference]: Finished difference Result 115 states and 126 transitions. [2020-09-24 19:33:35,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 19:33:35,740 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2020-09-24 19:33:35,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:33:35,743 INFO L225 Difference]: With dead ends: 115 [2020-09-24 19:33:35,744 INFO L226 Difference]: Without dead ends: 75 [2020-09-24 19:33:35,747 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 19:33:35,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-09-24 19:33:35,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 74. [2020-09-24 19:33:35,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-09-24 19:33:35,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 78 transitions. [2020-09-24 19:33:35,767 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 78 transitions. Word has length 39 [2020-09-24 19:33:35,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:33:35,768 INFO L479 AbstractCegarLoop]: Abstraction has 74 states and 78 transitions. [2020-09-24 19:33:35,768 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 19:33:35,768 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 78 transitions. [2020-09-24 19:33:35,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-09-24 19:33:35,773 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:33:35,774 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:33:35,774 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 19:33:35,775 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:33:35,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:33:35,775 INFO L82 PathProgramCache]: Analyzing trace with hash -1675406230, now seen corresponding path program 1 times [2020-09-24 19:33:35,775 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:33:35,776 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1265102927] [2020-09-24 19:33:35,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:33:35,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-24 19:33:35,843 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-24 19:33:35,843 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-24 19:33:35,850 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 19:33:35,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 07:33:35 BoogieIcfgContainer [2020-09-24 19:33:35,895 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 19:33:35,902 INFO L168 Benchmark]: Toolchain (without parser) took 4437.67 ms. Allocated memory was 138.4 MB in the beginning and 248.5 MB in the end (delta: 110.1 MB). Free memory was 101.9 MB in the beginning and 179.9 MB in the end (delta: -78.0 MB). Peak memory consumption was 32.1 MB. Max. memory is 7.1 GB. [2020-09-24 19:33:35,904 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-09-24 19:33:35,906 INFO L168 Benchmark]: CACSL2BoogieTranslator took 485.17 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 101.2 MB in the beginning and 180.2 MB in the end (delta: -79.0 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2020-09-24 19:33:35,907 INFO L168 Benchmark]: Boogie Preprocessor took 58.02 ms. Allocated memory is still 201.3 MB. Free memory was 180.2 MB in the beginning and 177.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2020-09-24 19:33:35,908 INFO L168 Benchmark]: RCFGBuilder took 463.41 ms. Allocated memory is still 201.3 MB. Free memory was 177.7 MB in the beginning and 155.4 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2020-09-24 19:33:35,911 INFO L168 Benchmark]: TraceAbstraction took 3417.14 ms. Allocated memory was 201.3 MB in the beginning and 248.5 MB in the end (delta: 47.2 MB). Free memory was 154.7 MB in the beginning and 179.9 MB in the end (delta: -25.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2020-09-24 19:33:35,925 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 485.17 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 101.2 MB in the beginning and 180.2 MB in the end (delta: -79.0 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 58.02 ms. Allocated memory is still 201.3 MB. Free memory was 180.2 MB in the beginning and 177.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 463.41 ms. Allocated memory is still 201.3 MB. Free memory was 177.7 MB in the beginning and 155.4 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3417.14 ms. Allocated memory was 201.3 MB in the beginning and 248.5 MB in the end (delta: 47.2 MB). Free memory was 154.7 MB in the beginning and 179.9 MB in the end (delta: -25.2 MB). Peak memory consumption was 22.0 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] long long *a = malloc(sizeof(long long)*N); [L28] int *b = malloc(sizeof(int)*N); [L30] sum[0] = 1 [L31] i=0 [L31] COND TRUE i