./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-fpi/ss3f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/array-fpi/ss3f.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ff0d4bb7e046ee783f758ee60438422a0a432bc6 .................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 15:37:31,615 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 15:37:31,618 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 15:37:31,636 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 15:37:31,637 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 15:37:31,639 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 15:37:31,641 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 15:37:31,654 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 15:37:31,657 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 15:37:31,659 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 15:37:31,661 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 15:37:31,663 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 15:37:31,664 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 15:37:31,667 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 15:37:31,668 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 15:37:31,671 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 15:37:31,672 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 15:37:31,674 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 15:37:31,677 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 15:37:31,682 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 15:37:31,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 15:37:31,690 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 15:37:31,692 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 15:37:31,694 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 15:37:31,699 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 15:37:31,699 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 15:37:31,699 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 15:37:31,702 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 15:37:31,702 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 15:37:31,703 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 15:37:31,704 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 15:37:31,705 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 15:37:31,705 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 15:37:31,707 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 15:37:31,708 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 15:37:31,708 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 15:37:31,709 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 15:37:31,710 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 15:37:31,710 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 15:37:31,712 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 15:37:31,714 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 15:37:31,715 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 15:37:31,736 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 15:37:31,737 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 15:37:31,738 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 15:37:31,738 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 15:37:31,739 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 15:37:31,739 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 15:37:31,739 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 15:37:31,740 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 15:37:31,740 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 15:37:31,740 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 15:37:31,740 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 15:37:31,741 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 15:37:31,741 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 15:37:31,741 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 15:37:31,742 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 15:37:31,742 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 15:37:31,742 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 15:37:31,743 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 15:37:31,743 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 15:37:31,743 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 15:37:31,743 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 15:37:31,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 15:37:31,744 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 15:37:31,744 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 15:37:31,745 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 15:37:31,745 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 15:37:31,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 15:37:31,745 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 15:37:31,746 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 15:37:31,746 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff0d4bb7e046ee783f758ee60438422a0a432bc6 [2019-11-28 15:37:32,031 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 15:37:32,043 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 15:37:32,047 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 15:37:32,048 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 15:37:32,049 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 15:37:32,050 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/ss3f.c [2019-11-28 15:37:32,109 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e76b39cd8/31dd5533745f41a79b9ce0b697b08d6b/FLAG7392f7d9d [2019-11-28 15:37:32,568 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 15:37:32,569 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/ss3f.c [2019-11-28 15:37:32,578 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e76b39cd8/31dd5533745f41a79b9ce0b697b08d6b/FLAG7392f7d9d [2019-11-28 15:37:32,950 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e76b39cd8/31dd5533745f41a79b9ce0b697b08d6b [2019-11-28 15:37:32,954 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 15:37:32,956 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 15:37:32,957 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 15:37:32,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 15:37:32,963 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 15:37:32,964 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:37:32" (1/1) ... [2019-11-28 15:37:32,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ed5cf6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:32, skipping insertion in model container [2019-11-28 15:37:32,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:37:32" (1/1) ... [2019-11-28 15:37:32,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 15:37:32,993 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 15:37:33,245 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 15:37:33,258 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 15:37:33,284 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 15:37:33,361 INFO L208 MainTranslator]: Completed translation [2019-11-28 15:37:33,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:33 WrapperNode [2019-11-28 15:37:33,362 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 15:37:33,363 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 15:37:33,363 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 15:37:33,363 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 15:37:33,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:33" (1/1) ... [2019-11-28 15:37:33,379 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:33" (1/1) ... [2019-11-28 15:37:33,413 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 15:37:33,416 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 15:37:33,416 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 15:37:33,416 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 15:37:33,427 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:33" (1/1) ... [2019-11-28 15:37:33,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:33" (1/1) ... [2019-11-28 15:37:33,433 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:33" (1/1) ... [2019-11-28 15:37:33,433 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:33" (1/1) ... [2019-11-28 15:37:33,456 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:33" (1/1) ... [2019-11-28 15:37:33,465 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:33" (1/1) ... [2019-11-28 15:37:33,472 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:33" (1/1) ... [2019-11-28 15:37:33,474 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 15:37:33,475 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 15:37:33,475 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 15:37:33,476 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 15:37:33,477 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2019-11-28 15:37:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 15:37:33,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 15:37:33,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 15:37:33,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 15:37:33,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 15:37:33,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 15:37:33,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 15:37:33,871 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 15:37:33,871 INFO L287 CfgBuilder]: Removed 11 assume(true) statements. [2019-11-28 15:37:33,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:37:33 BoogieIcfgContainer [2019-11-28 15:37:33,873 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 15:37:33,874 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 15:37:33,874 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 15:37:33,880 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 15:37:33,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:37:32" (1/3) ... [2019-11-28 15:37:33,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56dbfda8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:37:33, skipping insertion in model container [2019-11-28 15:37:33,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:33" (2/3) ... [2019-11-28 15:37:33,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56dbfda8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:37:33, skipping insertion in model container [2019-11-28 15:37:33,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:37:33" (3/3) ... [2019-11-28 15:37:33,891 INFO L109 eAbstractionObserver]: Analyzing ICFG ss3f.c [2019-11-28 15:37:33,909 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 15:37:33,918 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 15:37:33,930 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 15:37:33,953 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 15:37:33,953 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 15:37:33,954 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 15:37:33,954 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 15:37:33,954 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 15:37:33,954 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 15:37:33,954 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 15:37:33,954 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 15:37:33,969 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2019-11-28 15:37:33,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-28 15:37:33,976 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:37:33,977 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:37:33,977 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:37:33,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:37:33,984 INFO L82 PathProgramCache]: Analyzing trace with hash -616844446, now seen corresponding path program 1 times [2019-11-28 15:37:33,991 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:37:33,991 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080454836] [2019-11-28 15:37:33,992 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:37:34,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:37:34,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 15:37:34,118 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080454836] [2019-11-28 15:37:34,119 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:37:34,120 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 15:37:34,120 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255706280] [2019-11-28 15:37:34,124 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 15:37:34,125 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:37:34,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 15:37:34,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 15:37:34,139 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 2 states. [2019-11-28 15:37:34,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:37:34,161 INFO L93 Difference]: Finished difference Result 45 states and 64 transitions. [2019-11-28 15:37:34,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 15:37:34,162 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2019-11-28 15:37:34,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:37:34,172 INFO L225 Difference]: With dead ends: 45 [2019-11-28 15:37:34,173 INFO L226 Difference]: Without dead ends: 21 [2019-11-28 15:37:34,176 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 15:37:34,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-28 15:37:34,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-28 15:37:34,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-28 15:37:34,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2019-11-28 15:37:34,212 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 15 [2019-11-28 15:37:34,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:37:34,213 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2019-11-28 15:37:34,213 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 15:37:34,214 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2019-11-28 15:37:34,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-28 15:37:34,215 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:37:34,215 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:37:34,215 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:37:34,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:37:34,216 INFO L82 PathProgramCache]: Analyzing trace with hash -212259730, now seen corresponding path program 1 times [2019-11-28 15:37:34,216 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:37:34,217 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319597810] [2019-11-28 15:37:34,217 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:37:34,237 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-28 15:37:34,237 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1241030559] [2019-11-28 15:37:34,238 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 15:37:34,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:37:34,299 INFO L264 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-28 15:37:34,304 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 15:37:34,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 15:37:34,343 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319597810] [2019-11-28 15:37:34,343 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-28 15:37:34,343 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1241030559] [2019-11-28 15:37:34,344 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:37:34,344 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:37:34,344 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872380674] [2019-11-28 15:37:34,346 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:37:34,346 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:37:34,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:37:34,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:37:34,347 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 3 states. [2019-11-28 15:37:34,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:37:34,417 INFO L93 Difference]: Finished difference Result 39 states and 47 transitions. [2019-11-28 15:37:34,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:37:34,418 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2019-11-28 15:37:34,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:37:34,419 INFO L225 Difference]: With dead ends: 39 [2019-11-28 15:37:34,419 INFO L226 Difference]: Without dead ends: 23 [2019-11-28 15:37:34,420 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:37:34,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2019-11-28 15:37:34,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2019-11-28 15:37:34,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-28 15:37:34,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2019-11-28 15:37:34,430 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 15 [2019-11-28 15:37:34,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:37:34,430 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2019-11-28 15:37:34,431 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:37:34,432 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2019-11-28 15:37:34,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 15:37:34,433 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:37:34,433 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:37:34,637 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 15:37:34,638 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:37:34,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:37:34,638 INFO L82 PathProgramCache]: Analyzing trace with hash -673295792, now seen corresponding path program 1 times [2019-11-28 15:37:34,639 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:37:34,639 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131446227] [2019-11-28 15:37:34,639 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:37:34,668 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-28 15:37:34,669 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1755804480] [2019-11-28 15:37:34,669 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 15:37:34,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:37:34,718 INFO L264 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-28 15:37:34,720 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 15:37:34,750 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-28 15:37:34,751 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131446227] [2019-11-28 15:37:34,751 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-28 15:37:34,751 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1755804480] [2019-11-28 15:37:34,752 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:37:34,752 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 15:37:34,752 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879601960] [2019-11-28 15:37:34,753 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:37:34,753 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:37:34,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:37:34,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:37:34,754 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand 4 states. [2019-11-28 15:37:34,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:37:34,843 INFO L93 Difference]: Finished difference Result 44 states and 54 transitions. [2019-11-28 15:37:34,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 15:37:34,844 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-11-28 15:37:34,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:37:34,845 INFO L225 Difference]: With dead ends: 44 [2019-11-28 15:37:34,845 INFO L226 Difference]: Without dead ends: 31 [2019-11-28 15:37:34,846 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:37:34,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-11-28 15:37:34,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 26. [2019-11-28 15:37:34,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-11-28 15:37:34,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2019-11-28 15:37:34,853 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 30 transitions. Word has length 17 [2019-11-28 15:37:34,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:37:34,853 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 30 transitions. [2019-11-28 15:37:34,854 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:37:34,854 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2019-11-28 15:37:34,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-28 15:37:34,855 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:37:34,855 INFO L410 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] [2019-11-28 15:37:35,056 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 15:37:35,056 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:37:35,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:37:35,057 INFO L82 PathProgramCache]: Analyzing trace with hash 1943746392, now seen corresponding path program 1 times [2019-11-28 15:37:35,058 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:37:35,058 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656261011] [2019-11-28 15:37:35,058 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:37:35,093 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-28 15:37:35,093 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1851722026] [2019-11-28 15:37:35,094 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 15:37:35,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 15:37:35,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 15:37:35,192 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 15:37:35,195 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 15:37:35,399 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 15:37:35,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:37:35 BoogieIcfgContainer [2019-11-28 15:37:35,441 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 15:37:35,441 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 15:37:35,442 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 15:37:35,442 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 15:37:35,442 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:37:33" (3/4) ... [2019-11-28 15:37:35,445 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-28 15:37:35,505 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 15:37:35,505 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 15:37:35,508 INFO L168 Benchmark]: Toolchain (without parser) took 2551.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 952.3 MB in the beginning and 1.0 GB in the end (delta: -73.3 MB). Peak memory consumption was 73.5 MB. Max. memory is 11.5 GB. [2019-11-28 15:37:35,508 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 15:37:35,509 INFO L168 Benchmark]: CACSL2BoogieTranslator took 405.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -190.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-28 15:37:35,510 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 15:37:35,510 INFO L168 Benchmark]: Boogie Preprocessor took 58.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 15:37:35,511 INFO L168 Benchmark]: RCFGBuilder took 397.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2019-11-28 15:37:35,512 INFO L168 Benchmark]: TraceAbstraction took 1567.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 86.9 MB). Peak memory consumption was 86.9 MB. Max. memory is 11.5 GB. [2019-11-28 15:37:35,512 INFO L168 Benchmark]: Witness Printer took 63.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 15:37:35,516 INFO L335 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 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 405.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -190.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 58.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 397.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1567.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 86.9 MB). Peak memory consumption was 86.9 MB. Max. memory is 11.5 GB. * Witness Printer took 63.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 10]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L14] int N; VAL [N=0] [L18] N = __VERIFIER_nondet_int() [L19] COND FALSE !(N <= 0) [L22] int i; [L23] long long sum[1]; [L24] long long *a = malloc(sizeof(long long)*N); [L26] sum[0] = 0 [L27] i=0 VAL [N=1] [L27] COND TRUE i