./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-fpi/indp3f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab 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/indp3f.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 5d7bb81148195306f07d0f4d2787d86f1e99070c .................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-30f4e4a [2019-11-27 22:30:08,698 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 22:30:08,700 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 22:30:08,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 22:30:08,721 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 22:30:08,723 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 22:30:08,725 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 22:30:08,726 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 22:30:08,728 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 22:30:08,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 22:30:08,731 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 22:30:08,732 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 22:30:08,732 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 22:30:08,734 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 22:30:08,735 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 22:30:08,736 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 22:30:08,737 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 22:30:08,738 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 22:30:08,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 22:30:08,743 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 22:30:08,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 22:30:08,751 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 22:30:08,753 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 22:30:08,754 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 22:30:08,761 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 22:30:08,762 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 22:30:08,762 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 22:30:08,763 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 22:30:08,765 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 22:30:08,766 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 22:30:08,767 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 22:30:08,768 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 22:30:08,768 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 22:30:08,769 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 22:30:08,770 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 22:30:08,771 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 22:30:08,771 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 22:30:08,772 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 22:30:08,772 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 22:30:08,773 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 22:30:08,774 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 22:30:08,775 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 22:30:08,789 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 22:30:08,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 22:30:08,791 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 22:30:08,791 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 22:30:08,792 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 22:30:08,792 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 22:30:08,792 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 22:30:08,793 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 22:30:08,793 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 22:30:08,793 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 22:30:08,794 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 22:30:08,794 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 22:30:08,794 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 22:30:08,794 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 22:30:08,795 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 22:30:08,795 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 22:30:08,795 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 22:30:08,796 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 22:30:08,796 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 22:30:08,796 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 22:30:08,797 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 22:30:08,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 22:30:08,797 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 22:30:08,797 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 22:30:08,798 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 22:30:08,798 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 22:30:08,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 22:30:08,799 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 22:30:08,799 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 -> 5d7bb81148195306f07d0f4d2787d86f1e99070c [2019-11-27 22:30:09,149 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 22:30:09,163 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 22:30:09,167 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 22:30:09,168 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 22:30:09,169 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 22:30:09,170 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/indp3f.c [2019-11-27 22:30:09,242 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f832725ef/a711bea254004288aee15e98eba113b0/FLAG506b9ba96 [2019-11-27 22:30:09,670 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 22:30:09,671 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/indp3f.c [2019-11-27 22:30:09,677 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f832725ef/a711bea254004288aee15e98eba113b0/FLAG506b9ba96 [2019-11-27 22:30:10,055 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f832725ef/a711bea254004288aee15e98eba113b0 [2019-11-27 22:30:10,058 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 22:30:10,060 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 22:30:10,061 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 22:30:10,062 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 22:30:10,065 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 22:30:10,066 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:30:10" (1/1) ... [2019-11-27 22:30:10,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d0d9b83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:30:10, skipping insertion in model container [2019-11-27 22:30:10,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:30:10" (1/1) ... [2019-11-27 22:30:10,077 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 22:30:10,100 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 22:30:10,303 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 22:30:10,313 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 22:30:10,342 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 22:30:10,355 INFO L208 MainTranslator]: Completed translation [2019-11-27 22:30:10,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:30:10 WrapperNode [2019-11-27 22:30:10,355 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 22:30:10,356 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 22:30:10,356 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 22:30:10,356 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 22:30:10,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:30:10" (1/1) ... [2019-11-27 22:30:10,436 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:30:10" (1/1) ... [2019-11-27 22:30:10,454 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 22:30:10,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 22:30:10,455 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 22:30:10,455 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 22:30:10,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:30:10" (1/1) ... [2019-11-27 22:30:10,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:30:10" (1/1) ... [2019-11-27 22:30:10,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:30:10" (1/1) ... [2019-11-27 22:30:10,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:30:10" (1/1) ... [2019-11-27 22:30:10,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:30:10" (1/1) ... [2019-11-27 22:30:10,478 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:30:10" (1/1) ... [2019-11-27 22:30:10,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:30:10" (1/1) ... [2019-11-27 22:30:10,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 22:30:10,483 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 22:30:10,483 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 22:30:10,483 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 22:30:10,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:30:10" (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 [2019-11-27 22:30:10,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-27 22:30:10,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-27 22:30:10,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 22:30:10,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 22:30:10,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-27 22:30:10,837 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 22:30:10,837 INFO L297 CfgBuilder]: Removed 11 assume(true) statements. [2019-11-27 22:30:10,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 10:30:10 BoogieIcfgContainer [2019-11-27 22:30:10,844 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 22:30:10,845 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 22:30:10,845 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 22:30:10,854 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 22:30:10,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 10:30:10" (1/3) ... [2019-11-27 22:30:10,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ad3b56e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 10:30:10, skipping insertion in model container [2019-11-27 22:30:10,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:30:10" (2/3) ... [2019-11-27 22:30:10,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ad3b56e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 10:30:10, skipping insertion in model container [2019-11-27 22:30:10,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 10:30:10" (3/3) ... [2019-11-27 22:30:10,860 INFO L109 eAbstractionObserver]: Analyzing ICFG indp3f.c [2019-11-27 22:30:10,877 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 22:30:10,884 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 22:30:10,898 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 22:30:10,925 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 22:30:10,925 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 22:30:10,925 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 22:30:10,925 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 22:30:10,925 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 22:30:10,926 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 22:30:10,926 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 22:30:10,926 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 22:30:10,938 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2019-11-27 22:30:10,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-27 22:30:10,944 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:30:10,945 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:30:10,945 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:30:10,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:30:10,952 INFO L82 PathProgramCache]: Analyzing trace with hash -1543917039, now seen corresponding path program 1 times [2019-11-27 22:30:10,961 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:30:10,963 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045192385] [2019-11-27 22:30:10,964 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:30:11,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:30:11,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 22:30:11,082 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045192385] [2019-11-27 22:30:11,083 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:30:11,084 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-27 22:30:11,084 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700549786] [2019-11-27 22:30:11,089 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-27 22:30:11,089 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:30:11,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-27 22:30:11,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 22:30:11,105 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 2 states. [2019-11-27 22:30:11,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:30:11,121 INFO L93 Difference]: Finished difference Result 45 states and 64 transitions. [2019-11-27 22:30:11,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-27 22:30:11,122 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2019-11-27 22:30:11,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:30:11,131 INFO L225 Difference]: With dead ends: 45 [2019-11-27 22:30:11,131 INFO L226 Difference]: Without dead ends: 21 [2019-11-27 22:30:11,134 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 [2019-11-27 22:30:11,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-27 22:30:11,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-27 22:30:11,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-27 22:30:11,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2019-11-27 22:30:11,170 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 14 [2019-11-27 22:30:11,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:30:11,170 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2019-11-27 22:30:11,171 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-27 22:30:11,171 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2019-11-27 22:30:11,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-27 22:30:11,172 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:30:11,172 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:30:11,172 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:30:11,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:30:11,173 INFO L82 PathProgramCache]: Analyzing trace with hash -1392318587, now seen corresponding path program 1 times [2019-11-27 22:30:11,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:30:11,173 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357032752] [2019-11-27 22:30:11,174 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:30:11,190 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-27 22:30:11,191 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1296710655] [2019-11-27 22:30:11,191 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 [2019-11-27 22:30:11,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:30:11,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-27 22:30:11,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 22:30:11,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 22:30:11,289 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357032752] [2019-11-27 22:30:11,290 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-27 22:30:11,290 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1296710655] [2019-11-27 22:30:11,290 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:30:11,290 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 22:30:11,291 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140581629] [2019-11-27 22:30:11,292 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 22:30:11,293 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:30:11,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 22:30:11,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 22:30:11,294 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 3 states. [2019-11-27 22:30:11,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:30:11,362 INFO L93 Difference]: Finished difference Result 39 states and 47 transitions. [2019-11-27 22:30:11,363 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 22:30:11,363 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2019-11-27 22:30:11,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:30:11,364 INFO L225 Difference]: With dead ends: 39 [2019-11-27 22:30:11,364 INFO L226 Difference]: Without dead ends: 23 [2019-11-27 22:30:11,365 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 22:30:11,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2019-11-27 22:30:11,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2019-11-27 22:30:11,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-27 22:30:11,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2019-11-27 22:30:11,371 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 14 [2019-11-27 22:30:11,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:30:11,371 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2019-11-27 22:30:11,371 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 22:30:11,371 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2019-11-27 22:30:11,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-27 22:30:11,372 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:30:11,372 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:30:11,583 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-27 22:30:11,583 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:30:11,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:30:11,585 INFO L82 PathProgramCache]: Analyzing trace with hash -298812061, now seen corresponding path program 1 times [2019-11-27 22:30:11,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:30:11,586 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586482647] [2019-11-27 22:30:11,587 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:30:11,611 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-27 22:30:11,611 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1977712882] [2019-11-27 22:30:11,612 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 [2019-11-27 22:30:11,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:30:11,666 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-27 22:30:11,667 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 22:30:11,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-27 22:30:11,689 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586482647] [2019-11-27 22:30:11,690 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-27 22:30:11,690 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1977712882] [2019-11-27 22:30:11,690 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:30:11,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-27 22:30:11,691 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258871179] [2019-11-27 22:30:11,692 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 22:30:11,692 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:30:11,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 22:30:11,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 22:30:11,693 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand 4 states. [2019-11-27 22:30:11,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:30:11,780 INFO L93 Difference]: Finished difference Result 48 states and 57 transitions. [2019-11-27 22:30:11,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 22:30:11,782 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2019-11-27 22:30:11,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:30:11,783 INFO L225 Difference]: With dead ends: 48 [2019-11-27 22:30:11,783 INFO L226 Difference]: Without dead ends: 35 [2019-11-27 22:30:11,784 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 22:30:11,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-11-27 22:30:11,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 25. [2019-11-27 22:30:11,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-11-27 22:30:11,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2019-11-27 22:30:11,794 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 16 [2019-11-27 22:30:11,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:30:11,795 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2019-11-27 22:30:11,795 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 22:30:11,795 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2019-11-27 22:30:11,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-27 22:30:11,796 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:30:11,796 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] [2019-11-27 22:30:11,999 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-27 22:30:12,000 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:30:12,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:30:12,001 INFO L82 PathProgramCache]: Analyzing trace with hash -312639363, now seen corresponding path program 1 times [2019-11-27 22:30:12,002 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:30:12,002 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418016329] [2019-11-27 22:30:12,003 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:30:12,016 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-27 22:30:12,016 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [86674662] [2019-11-27 22:30:12,016 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 [2019-11-27 22:30:12,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-27 22:30:12,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-27 22:30:12,116 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-27 22:30:12,117 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-27 22:30:12,317 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-27 22:30:12,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 10:30:12 BoogieIcfgContainer [2019-11-27 22:30:12,354 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 22:30:12,355 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 22:30:12,355 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 22:30:12,355 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 22:30:12,356 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 10:30:10" (3/4) ... [2019-11-27 22:30:12,358 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-27 22:30:12,411 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-27 22:30:12,412 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 22:30:12,414 INFO L168 Benchmark]: Toolchain (without parser) took 2353.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 955.0 MB in the beginning and 1.0 GB in the end (delta: -77.3 MB). Peak memory consumption was 68.4 MB. Max. memory is 11.5 GB. [2019-11-27 22:30:12,415 INFO L168 Benchmark]: CDTParser took 0.34 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. [2019-11-27 22:30:12,416 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.28 ms. Allocated memory is still 1.0 GB. Free memory was 955.0 MB in the beginning and 944.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-27 22:30:12,417 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 944.3 MB in the beginning and 1.1 GB in the end (delta: -191.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2019-11-27 22:30:12,417 INFO L168 Benchmark]: Boogie Preprocessor took 27.34 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. [2019-11-27 22:30:12,418 INFO L168 Benchmark]: RCFGBuilder took 361.59 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: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2019-11-27 22:30:12,419 INFO L168 Benchmark]: TraceAbstraction took 1509.28 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: 79.7 MB). Peak memory consumption was 79.7 MB. Max. memory is 11.5 GB. [2019-11-27 22:30:12,419 INFO L168 Benchmark]: Witness Printer took 56.97 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. [2019-11-27 22:30:12,423 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 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 294.28 ms. Allocated memory is still 1.0 GB. Free memory was 955.0 MB in the beginning and 944.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 98.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 944.3 MB in the beginning and 1.1 GB in the end (delta: -191.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.34 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 361.59 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: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1509.28 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: 79.7 MB). Peak memory consumption was 79.7 MB. Max. memory is 11.5 GB. * Witness Printer took 56.97 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 *a = malloc(sizeof(long long)*N); [L25] i=0 VAL [N=1] [L25] COND TRUE i