./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-fpi/res1of.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/res1of.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 eb6d7af94d79d093d56acf241012a79e58e902f8 ................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 22:31:16,434 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 22:31:16,436 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 22:31:16,448 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 22:31:16,449 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 22:31:16,450 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 22:31:16,451 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 22:31:16,453 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 22:31:16,455 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 22:31:16,456 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 22:31:16,457 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 22:31:16,458 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 22:31:16,459 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 22:31:16,460 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 22:31:16,461 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 22:31:16,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 22:31:16,463 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 22:31:16,464 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 22:31:16,466 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 22:31:16,468 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 22:31:16,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 22:31:16,473 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 22:31:16,477 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 22:31:16,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 22:31:16,480 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 22:31:16,482 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 22:31:16,484 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 22:31:16,485 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 22:31:16,486 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 22:31:16,487 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 22:31:16,488 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 22:31:16,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 22:31:16,490 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 22:31:16,491 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 22:31:16,492 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 22:31:16,494 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 22:31:16,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 22:31:16,495 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 22:31:16,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 22:31:16,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 22:31:16,497 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 22:31:16,497 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 22:31:16,512 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 22:31:16,512 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 22:31:16,514 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 22:31:16,514 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 22:31:16,514 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 22:31:16,514 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 22:31:16,515 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 22:31:16,515 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 22:31:16,515 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 22:31:16,516 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 22:31:16,516 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 22:31:16,516 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 22:31:16,516 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 22:31:16,517 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 22:31:16,517 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 22:31:16,517 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 22:31:16,517 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 22:31:16,518 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 22:31:16,518 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 22:31:16,518 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 22:31:16,519 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 22:31:16,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 22:31:16,519 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 22:31:16,519 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 22:31:16,520 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 22:31:16,520 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 22:31:16,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 22:31:16,520 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 22:31:16,521 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 -> eb6d7af94d79d093d56acf241012a79e58e902f8 [2019-11-27 22:31:16,821 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 22:31:16,845 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 22:31:16,849 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 22:31:16,850 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 22:31:16,850 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 22:31:16,852 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/res1of.c [2019-11-27 22:31:16,913 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ba221e81/5d1a3c9f1fdf489081c6002054436840/FLAGccc404734 [2019-11-27 22:31:17,343 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 22:31:17,344 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/res1of.c [2019-11-27 22:31:17,349 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ba221e81/5d1a3c9f1fdf489081c6002054436840/FLAGccc404734 [2019-11-27 22:31:17,769 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ba221e81/5d1a3c9f1fdf489081c6002054436840 [2019-11-27 22:31:17,772 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 22:31:17,773 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 22:31:17,774 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 22:31:17,775 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 22:31:17,778 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 22:31:17,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:31:17" (1/1) ... [2019-11-27 22:31:17,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6373eea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:31:17, skipping insertion in model container [2019-11-27 22:31:17,782 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:31:17" (1/1) ... [2019-11-27 22:31:17,790 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 22:31:17,808 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 22:31:18,012 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 22:31:18,021 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 22:31:18,041 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 22:31:18,110 INFO L208 MainTranslator]: Completed translation [2019-11-27 22:31:18,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:31:18 WrapperNode [2019-11-27 22:31:18,111 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 22:31:18,112 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 22:31:18,112 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 22:31:18,113 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 22:31:18,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:31:18" (1/1) ... [2019-11-27 22:31:18,127 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:31:18" (1/1) ... [2019-11-27 22:31:18,148 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 22:31:18,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 22:31:18,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 22:31:18,149 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 22:31:18,156 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:31:18" (1/1) ... [2019-11-27 22:31:18,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:31:18" (1/1) ... [2019-11-27 22:31:18,158 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:31:18" (1/1) ... [2019-11-27 22:31:18,159 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:31:18" (1/1) ... [2019-11-27 22:31:18,165 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:31:18" (1/1) ... [2019-11-27 22:31:18,170 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:31:18" (1/1) ... [2019-11-27 22:31:18,171 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:31:18" (1/1) ... [2019-11-27 22:31:18,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 22:31:18,174 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 22:31:18,174 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 22:31:18,174 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 22:31:18,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:31:18" (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 22:31:18,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-27 22:31:18,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-27 22:31:18,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-27 22:31:18,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 22:31:18,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 22:31:18,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-27 22:31:18,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-27 22:31:18,496 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 22:31:18,496 INFO L297 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-27 22:31:18,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 10:31:18 BoogieIcfgContainer [2019-11-27 22:31:18,501 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 22:31:18,502 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 22:31:18,506 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 22:31:18,513 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 22:31:18,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 10:31:17" (1/3) ... [2019-11-27 22:31:18,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47f10de7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 10:31:18, skipping insertion in model container [2019-11-27 22:31:18,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:31:18" (2/3) ... [2019-11-27 22:31:18,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47f10de7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 10:31:18, skipping insertion in model container [2019-11-27 22:31:18,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 10:31:18" (3/3) ... [2019-11-27 22:31:18,522 INFO L109 eAbstractionObserver]: Analyzing ICFG res1of.c [2019-11-27 22:31:18,545 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 22:31:18,559 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 22:31:18,576 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 22:31:18,604 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 22:31:18,604 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 22:31:18,605 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 22:31:18,605 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 22:31:18,605 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 22:31:18,605 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 22:31:18,605 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 22:31:18,606 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 22:31:18,618 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2019-11-27 22:31:18,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-27 22:31:18,624 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:31:18,625 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:31:18,625 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:31:18,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:31:18,631 INFO L82 PathProgramCache]: Analyzing trace with hash 920027386, now seen corresponding path program 1 times [2019-11-27 22:31:18,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:31:18,638 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135780798] [2019-11-27 22:31:18,638 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:31:18,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:31:18,762 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 22:31:18,763 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135780798] [2019-11-27 22:31:18,764 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:31:18,764 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-27 22:31:18,765 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959471718] [2019-11-27 22:31:18,769 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-27 22:31:18,770 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:31:18,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-27 22:31:18,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 22:31:18,782 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 2 states. [2019-11-27 22:31:18,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:31:18,799 INFO L93 Difference]: Finished difference Result 39 states and 54 transitions. [2019-11-27 22:31:18,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-27 22:31:18,800 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2019-11-27 22:31:18,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:31:18,810 INFO L225 Difference]: With dead ends: 39 [2019-11-27 22:31:18,810 INFO L226 Difference]: Without dead ends: 18 [2019-11-27 22:31:18,814 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 22:31:18,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-11-27 22:31:18,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-11-27 22:31:18,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-11-27 22:31:18,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2019-11-27 22:31:18,851 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 21 transitions. Word has length 13 [2019-11-27 22:31:18,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:31:18,851 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 21 transitions. [2019-11-27 22:31:18,851 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-27 22:31:18,852 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2019-11-27 22:31:18,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-27 22:31:18,852 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:31:18,853 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:31:18,853 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:31:18,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:31:18,854 INFO L82 PathProgramCache]: Analyzing trace with hash 232180998, now seen corresponding path program 1 times [2019-11-27 22:31:18,854 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:31:18,854 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482356228] [2019-11-27 22:31:18,855 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:31:18,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:31:19,017 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 22:31:19,017 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482356228] [2019-11-27 22:31:19,018 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:31:19,019 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-27 22:31:19,019 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970100498] [2019-11-27 22:31:19,021 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 22:31:19,022 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:31:19,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 22:31:19,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-27 22:31:19,023 INFO L87 Difference]: Start difference. First operand 18 states and 21 transitions. Second operand 4 states. [2019-11-27 22:31:19,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:31:19,119 INFO L93 Difference]: Finished difference Result 29 states and 35 transitions. [2019-11-27 22:31:19,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 22:31:19,121 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2019-11-27 22:31:19,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:31:19,122 INFO L225 Difference]: With dead ends: 29 [2019-11-27 22:31:19,122 INFO L226 Difference]: Without dead ends: 25 [2019-11-27 22:31:19,123 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 [2019-11-27 22:31:19,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-11-27 22:31:19,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2019-11-27 22:31:19,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-11-27 22:31:19,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 31 transitions. [2019-11-27 22:31:19,134 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 31 transitions. Word has length 13 [2019-11-27 22:31:19,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:31:19,135 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 31 transitions. [2019-11-27 22:31:19,135 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 22:31:19,135 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2019-11-27 22:31:19,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-27 22:31:19,137 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:31:19,137 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:31:19,138 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:31:19,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:31:19,138 INFO L82 PathProgramCache]: Analyzing trace with hash -159126488, now seen corresponding path program 1 times [2019-11-27 22:31:19,138 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:31:19,139 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263826665] [2019-11-27 22:31:19,139 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:31:19,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:31:19,186 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 22:31:19,186 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263826665] [2019-11-27 22:31:19,187 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:31:19,187 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 22:31:19,187 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880389837] [2019-11-27 22:31:19,188 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 22:31:19,188 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:31:19,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 22:31:19,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 22:31:19,189 INFO L87 Difference]: Start difference. First operand 25 states and 31 transitions. Second operand 3 states. [2019-11-27 22:31:19,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:31:19,231 INFO L93 Difference]: Finished difference Result 38 states and 46 transitions. [2019-11-27 22:31:19,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 22:31:19,232 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2019-11-27 22:31:19,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:31:19,232 INFO L225 Difference]: With dead ends: 38 [2019-11-27 22:31:19,233 INFO L226 Difference]: Without dead ends: 20 [2019-11-27 22:31:19,233 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 [2019-11-27 22:31:19,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-11-27 22:31:19,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2019-11-27 22:31:19,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-27 22:31:19,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2019-11-27 22:31:19,238 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 15 [2019-11-27 22:31:19,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:31:19,238 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2019-11-27 22:31:19,239 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 22:31:19,239 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2019-11-27 22:31:19,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-27 22:31:19,239 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:31:19,240 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:31:19,240 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:31:19,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:31:19,240 INFO L82 PathProgramCache]: Analyzing trace with hash -1949301912, now seen corresponding path program 1 times [2019-11-27 22:31:19,241 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:31:19,241 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106879973] [2019-11-27 22:31:19,241 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:31:19,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:31:19,323 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 22:31:19,323 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106879973] [2019-11-27 22:31:19,324 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:31:19,324 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-27 22:31:19,324 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552942890] [2019-11-27 22:31:19,325 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 22:31:19,325 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:31:19,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 22:31:19,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 22:31:19,326 INFO L87 Difference]: Start difference. First operand 19 states and 22 transitions. Second operand 4 states. [2019-11-27 22:31:19,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:31:19,388 INFO L93 Difference]: Finished difference Result 36 states and 43 transitions. [2019-11-27 22:31:19,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 22:31:19,388 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2019-11-27 22:31:19,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:31:19,389 INFO L225 Difference]: With dead ends: 36 [2019-11-27 22:31:19,389 INFO L226 Difference]: Without dead ends: 26 [2019-11-27 22:31:19,390 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 [2019-11-27 22:31:19,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-11-27 22:31:19,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 22. [2019-11-27 22:31:19,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-27 22:31:19,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2019-11-27 22:31:19,395 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 15 [2019-11-27 22:31:19,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:31:19,395 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2019-11-27 22:31:19,395 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 22:31:19,395 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2019-11-27 22:31:19,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-27 22:31:19,396 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:31:19,396 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] [2019-11-27 22:31:19,396 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:31:19,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:31:19,397 INFO L82 PathProgramCache]: Analyzing trace with hash -1949747954, now seen corresponding path program 1 times [2019-11-27 22:31:19,397 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:31:19,397 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892763868] [2019-11-27 22:31:19,397 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:31:19,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-27 22:31:19,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-27 22:31:19,522 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-27 22:31:19,522 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-27 22:31:19,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 10:31:19 BoogieIcfgContainer [2019-11-27 22:31:19,566 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 22:31:19,566 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 22:31:19,566 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 22:31:19,567 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 22:31:19,567 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 10:31:18" (3/4) ... [2019-11-27 22:31:19,569 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-27 22:31:19,634 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-27 22:31:19,634 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 22:31:19,637 INFO L168 Benchmark]: Toolchain (without parser) took 1863.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -93.4 MB). Peak memory consumption was 56.5 MB. Max. memory is 11.5 GB. [2019-11-27 22:31:19,637 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 22:31:19,638 INFO L168 Benchmark]: CACSL2BoogieTranslator took 337.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -185.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-11-27 22:31:19,639 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.10 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-27 22:31:19,639 INFO L168 Benchmark]: Boogie Preprocessor took 25.22 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 22:31:19,640 INFO L168 Benchmark]: RCFGBuilder took 326.85 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: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2019-11-27 22:31:19,641 INFO L168 Benchmark]: TraceAbstraction took 1063.84 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: 65.1 MB). Peak memory consumption was 65.1 MB. Max. memory is 11.5 GB. [2019-11-27 22:31:19,641 INFO L168 Benchmark]: Witness Printer took 68.16 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 22:31:19,644 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 337.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -185.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.10 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.22 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 326.85 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: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1063.84 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: 65.1 MB). Peak memory consumption was 65.1 MB. Max. memory is 11.5 GB. * Witness Printer took 68.16 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. * 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); [L27] sum[0] = 0 [L28] i=0 VAL [N=1] [L28] COND TRUE i