./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-fpi/res2f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f6fb2bb1 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/res2f.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 564056b784b90a3931792cc012447154b9653601 .................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-f6fb2bb [2019-11-19 18:25:07,387 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 18:25:07,391 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 18:25:07,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 18:25:07,404 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 18:25:07,406 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 18:25:07,408 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 18:25:07,422 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 18:25:07,424 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 18:25:07,424 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 18:25:07,425 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 18:25:07,427 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 18:25:07,427 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 18:25:07,428 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 18:25:07,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 18:25:07,430 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 18:25:07,431 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 18:25:07,431 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 18:25:07,433 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 18:25:07,435 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 18:25:07,437 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 18:25:07,438 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 18:25:07,439 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 18:25:07,440 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 18:25:07,442 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 18:25:07,443 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 18:25:07,443 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 18:25:07,444 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 18:25:07,444 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 18:25:07,446 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 18:25:07,446 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 18:25:07,447 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 18:25:07,448 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 18:25:07,448 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 18:25:07,449 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 18:25:07,450 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 18:25:07,450 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 18:25:07,451 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 18:25:07,451 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 18:25:07,452 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 18:25:07,453 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 18:25:07,454 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 18:25:07,468 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 18:25:07,468 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 18:25:07,470 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 18:25:07,470 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 18:25:07,470 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 18:25:07,470 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 18:25:07,471 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 18:25:07,471 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 18:25:07,471 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 18:25:07,471 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 18:25:07,472 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 18:25:07,472 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 18:25:07,472 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 18:25:07,472 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 18:25:07,472 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 18:25:07,473 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 18:25:07,473 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 18:25:07,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 18:25:07,473 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 18:25:07,474 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 18:25:07,474 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 18:25:07,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 18:25:07,474 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 18:25:07,474 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 18:25:07,475 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 18:25:07,475 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 18:25:07,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 18:25:07,475 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 18:25:07,476 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 -> 564056b784b90a3931792cc012447154b9653601 [2019-11-19 18:25:07,778 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 18:25:07,801 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 18:25:07,805 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 18:25:07,807 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 18:25:07,807 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 18:25:07,808 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/res2f.c [2019-11-19 18:25:07,869 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b243de42a/135a4e9d08734c579c03bafb07165a96/FLAG1383dd595 [2019-11-19 18:25:08,306 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 18:25:08,307 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/res2f.c [2019-11-19 18:25:08,315 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b243de42a/135a4e9d08734c579c03bafb07165a96/FLAG1383dd595 [2019-11-19 18:25:08,725 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b243de42a/135a4e9d08734c579c03bafb07165a96 [2019-11-19 18:25:08,729 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 18:25:08,731 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 18:25:08,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 18:25:08,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 18:25:08,737 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 18:25:08,738 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:25:08" (1/1) ... [2019-11-19 18:25:08,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49fdb74a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:25:08, skipping insertion in model container [2019-11-19 18:25:08,742 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:25:08" (1/1) ... [2019-11-19 18:25:08,751 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 18:25:08,775 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 18:25:09,013 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 18:25:09,031 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 18:25:09,061 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 18:25:09,135 INFO L192 MainTranslator]: Completed translation [2019-11-19 18:25:09,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:25:09 WrapperNode [2019-11-19 18:25:09,136 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 18:25:09,137 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 18:25:09,137 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 18:25:09,137 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 18:25:09,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:25:09" (1/1) ... [2019-11-19 18:25:09,155 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:25:09" (1/1) ... [2019-11-19 18:25:09,181 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 18:25:09,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 18:25:09,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 18:25:09,183 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 18:25:09,191 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:25:09" (1/1) ... [2019-11-19 18:25:09,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:25:09" (1/1) ... [2019-11-19 18:25:09,194 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:25:09" (1/1) ... [2019-11-19 18:25:09,194 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:25:09" (1/1) ... [2019-11-19 18:25:09,207 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:25:09" (1/1) ... [2019-11-19 18:25:09,213 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:25:09" (1/1) ... [2019-11-19 18:25:09,215 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:25:09" (1/1) ... [2019-11-19 18:25:09,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 18:25:09,218 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 18:25:09,219 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 18:25:09,219 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 18:25:09,220 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:25:09" (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 [2019-11-19 18:25:09,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 18:25:09,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-19 18:25:09,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-19 18:25:09,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 18:25:09,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 18:25:09,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-19 18:25:09,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 18:25:09,637 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 18:25:09,637 INFO L285 CfgBuilder]: Removed 12 assume(true) statements. [2019-11-19 18:25:09,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:25:09 BoogieIcfgContainer [2019-11-19 18:25:09,639 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 18:25:09,647 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 18:25:09,647 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 18:25:09,651 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 18:25:09,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:25:08" (1/3) ... [2019-11-19 18:25:09,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b17708 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:25:09, skipping insertion in model container [2019-11-19 18:25:09,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:25:09" (2/3) ... [2019-11-19 18:25:09,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b17708 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:25:09, skipping insertion in model container [2019-11-19 18:25:09,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:25:09" (3/3) ... [2019-11-19 18:25:09,661 INFO L109 eAbstractionObserver]: Analyzing ICFG res2f.c [2019-11-19 18:25:09,675 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 18:25:09,685 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-19 18:25:09,696 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-19 18:25:09,718 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 18:25:09,719 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 18:25:09,719 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 18:25:09,719 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 18:25:09,720 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 18:25:09,720 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 18:25:09,720 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 18:25:09,720 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 18:25:09,733 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2019-11-19 18:25:09,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-19 18:25:09,739 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:25:09,740 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:25:09,740 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:25:09,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:25:09,747 INFO L82 PathProgramCache]: Analyzing trace with hash -81924726, now seen corresponding path program 1 times [2019-11-19 18:25:09,755 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:25:09,755 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667971991] [2019-11-19 18:25:09,756 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:25:09,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:25:09,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:25:09,914 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667971991] [2019-11-19 18:25:09,915 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:25:09,916 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 18:25:09,917 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295825079] [2019-11-19 18:25:09,922 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-19 18:25:09,923 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:25:09,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 18:25:09,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 18:25:09,941 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 2 states. [2019-11-19 18:25:09,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:25:09,963 INFO L93 Difference]: Finished difference Result 51 states and 74 transitions. [2019-11-19 18:25:09,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 18:25:09,965 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2019-11-19 18:25:09,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:25:09,974 INFO L225 Difference]: With dead ends: 51 [2019-11-19 18:25:09,974 INFO L226 Difference]: Without dead ends: 24 [2019-11-19 18:25:09,978 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 [2019-11-19 18:25:09,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-11-19 18:25:10,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2019-11-19 18:25:10,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-19 18:25:10,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 29 transitions. [2019-11-19 18:25:10,018 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 29 transitions. Word has length 17 [2019-11-19 18:25:10,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:25:10,019 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 29 transitions. [2019-11-19 18:25:10,019 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-19 18:25:10,019 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2019-11-19 18:25:10,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-19 18:25:10,021 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:25:10,021 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:25:10,021 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:25:10,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:25:10,022 INFO L82 PathProgramCache]: Analyzing trace with hash -2118036586, now seen corresponding path program 1 times [2019-11-19 18:25:10,022 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:25:10,023 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071063793] [2019-11-19 18:25:10,023 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:25:10,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:25:10,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:25:10,158 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071063793] [2019-11-19 18:25:10,158 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:25:10,159 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 18:25:10,159 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230660898] [2019-11-19 18:25:10,161 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 18:25:10,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:25:10,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 18:25:10,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-19 18:25:10,162 INFO L87 Difference]: Start difference. First operand 24 states and 29 transitions. Second operand 4 states. [2019-11-19 18:25:10,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:25:10,300 INFO L93 Difference]: Finished difference Result 39 states and 48 transitions. [2019-11-19 18:25:10,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 18:25:10,301 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-11-19 18:25:10,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:25:10,302 INFO L225 Difference]: With dead ends: 39 [2019-11-19 18:25:10,302 INFO L226 Difference]: Without dead ends: 35 [2019-11-19 18:25:10,304 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-19 18:25:10,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-11-19 18:25:10,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-11-19 18:25:10,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-11-19 18:25:10,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 44 transitions. [2019-11-19 18:25:10,313 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 44 transitions. Word has length 17 [2019-11-19 18:25:10,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:25:10,313 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 44 transitions. [2019-11-19 18:25:10,313 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 18:25:10,314 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2019-11-19 18:25:10,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-19 18:25:10,315 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:25:10,315 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:25:10,315 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:25:10,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:25:10,316 INFO L82 PathProgramCache]: Analyzing trace with hash 434573880, now seen corresponding path program 1 times [2019-11-19 18:25:10,316 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:25:10,316 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480049244] [2019-11-19 18:25:10,316 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:25:10,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:25:10,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-19 18:25:10,386 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480049244] [2019-11-19 18:25:10,386 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:25:10,387 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 18:25:10,387 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588443270] [2019-11-19 18:25:10,388 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 18:25:10,388 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:25:10,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 18:25:10,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 18:25:10,389 INFO L87 Difference]: Start difference. First operand 35 states and 44 transitions. Second operand 3 states. [2019-11-19 18:25:10,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:25:10,457 INFO L93 Difference]: Finished difference Result 67 states and 85 transitions. [2019-11-19 18:25:10,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 18:25:10,458 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-19 18:25:10,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:25:10,459 INFO L225 Difference]: With dead ends: 67 [2019-11-19 18:25:10,459 INFO L226 Difference]: Without dead ends: 37 [2019-11-19 18:25:10,460 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 18:25:10,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-11-19 18:25:10,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 36. [2019-11-19 18:25:10,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-11-19 18:25:10,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 45 transitions. [2019-11-19 18:25:10,468 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 45 transitions. Word has length 19 [2019-11-19 18:25:10,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:25:10,468 INFO L462 AbstractCegarLoop]: Abstraction has 36 states and 45 transitions. [2019-11-19 18:25:10,469 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 18:25:10,469 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2019-11-19 18:25:10,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-19 18:25:10,470 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:25:10,470 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] [2019-11-19 18:25:10,471 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:25:10,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:25:10,471 INFO L82 PathProgramCache]: Analyzing trace with hash 1237481242, now seen corresponding path program 1 times [2019-11-19 18:25:10,472 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:25:10,472 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664394910] [2019-11-19 18:25:10,472 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:25:10,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:25:10,542 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 18:25:10,542 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664394910] [2019-11-19 18:25:10,543 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:25:10,544 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 18:25:10,544 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564630004] [2019-11-19 18:25:10,544 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 18:25:10,545 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:25:10,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 18:25:10,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 18:25:10,546 INFO L87 Difference]: Start difference. First operand 36 states and 45 transitions. Second operand 4 states. [2019-11-19 18:25:10,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:25:10,672 INFO L93 Difference]: Finished difference Result 59 states and 74 transitions. [2019-11-19 18:25:10,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 18:25:10,673 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2019-11-19 18:25:10,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:25:10,674 INFO L225 Difference]: With dead ends: 59 [2019-11-19 18:25:10,674 INFO L226 Difference]: Without dead ends: 36 [2019-11-19 18:25:10,675 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 18:25:10,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-11-19 18:25:10,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 30. [2019-11-19 18:25:10,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-19 18:25:10,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 35 transitions. [2019-11-19 18:25:10,690 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 35 transitions. Word has length 21 [2019-11-19 18:25:10,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:25:10,690 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 35 transitions. [2019-11-19 18:25:10,690 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 18:25:10,691 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2019-11-19 18:25:10,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-19 18:25:10,694 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:25:10,694 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, 1, 1, 1, 1] [2019-11-19 18:25:10,694 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:25:10,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:25:10,696 INFO L82 PathProgramCache]: Analyzing trace with hash 590714914, now seen corresponding path program 1 times [2019-11-19 18:25:10,697 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:25:10,697 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662118289] [2019-11-19 18:25:10,697 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:25:10,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 18:25:10,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 18:25:10,936 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 18:25:10,936 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-19 18:25:10,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 06:25:10 BoogieIcfgContainer [2019-11-19 18:25:10,993 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 18:25:10,994 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 18:25:10,994 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 18:25:10,994 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 18:25:10,995 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:25:09" (3/4) ... [2019-11-19 18:25:10,997 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-19 18:25:11,067 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 18:25:11,068 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 18:25:11,070 INFO L168 Benchmark]: Toolchain (without parser) took 2338.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 952.3 MB in the beginning and 1.0 GB in the end (delta: -79.8 MB). Peak memory consumption was 65.5 MB. Max. memory is 11.5 GB. [2019-11-19 18:25:11,071 INFO L168 Benchmark]: CDTParser took 0.29 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. [2019-11-19 18:25:11,072 INFO L168 Benchmark]: CACSL2BoogieTranslator took 403.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -189.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-19 18:25:11,072 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.62 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. [2019-11-19 18:25:11,073 INFO L168 Benchmark]: Boogie Preprocessor took 35.04 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. [2019-11-19 18:25:11,073 INFO L168 Benchmark]: RCFGBuilder took 420.47 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: 30.7 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. [2019-11-19 18:25:11,074 INFO L168 Benchmark]: TraceAbstraction took 1346.24 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: 72.4 MB). Peak memory consumption was 72.4 MB. Max. memory is 11.5 GB. [2019-11-19 18:25:11,075 INFO L168 Benchmark]: Witness Printer took 74.11 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. [2019-11-19 18:25:11,078 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 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 403.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -189.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.62 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 35.04 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 420.47 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: 30.7 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1346.24 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: 72.4 MB). Peak memory consumption was 72.4 MB. Max. memory is 11.5 GB. * Witness Printer took 74.11 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] int *a = malloc(sizeof(int)*N); [L25] int *b = malloc(sizeof(int)*N); [L26] int *c = malloc(sizeof(int)*N); [L28] sum[0] = 1 [L29] i=0 VAL [N=1] [L29] COND TRUE i