./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/veris.c_NetBSD-libc__loop_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7bd01272-191f-4f39-8610-8c7498b02bad/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7bd01272-191f-4f39-8610-8c7498b02bad/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7bd01272-191f-4f39-8610-8c7498b02bad/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7bd01272-191f-4f39-8610-8c7498b02bad/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops/veris.c_NetBSD-libc__loop_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_7bd01272-191f-4f39-8610-8c7498b02bad/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7bd01272-191f-4f39-8610-8c7498b02bad/bin-2019/uautomizer --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 0322173b3e50156a3157d6284ff4dd2480f2ac8d ................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 23:07:22,786 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 23:07:22,788 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 23:07:22,796 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 23:07:22,797 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 23:07:22,797 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 23:07:22,798 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 23:07:22,800 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 23:07:22,801 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 23:07:22,802 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 23:07:22,803 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 23:07:22,803 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 23:07:22,804 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 23:07:22,805 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 23:07:22,806 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 23:07:22,806 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 23:07:22,807 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 23:07:22,808 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 23:07:22,810 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 23:07:22,811 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 23:07:22,812 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 23:07:22,813 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 23:07:22,815 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 23:07:22,815 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 23:07:22,815 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 23:07:22,816 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 23:07:22,817 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 23:07:22,818 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 23:07:22,818 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 23:07:22,819 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 23:07:22,820 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 23:07:22,820 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 23:07:22,821 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 23:07:22,821 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 23:07:22,821 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 23:07:22,822 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 23:07:22,823 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7bd01272-191f-4f39-8610-8c7498b02bad/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-22 23:07:22,833 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 23:07:22,833 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 23:07:22,834 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 23:07:22,834 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 23:07:22,834 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 23:07:22,834 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 23:07:22,834 INFO L133 SettingsManager]: * Use SBE=true [2018-11-22 23:07:22,835 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 23:07:22,835 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 23:07:22,835 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 23:07:22,835 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 23:07:22,835 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 23:07:22,835 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 23:07:22,835 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 23:07:22,835 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 23:07:22,836 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 23:07:22,836 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 23:07:22,836 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 23:07:22,836 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 23:07:22,836 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 23:07:22,836 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 23:07:22,836 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 23:07:22,837 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 23:07:22,837 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 23:07:22,837 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 23:07:22,837 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 23:07:22,837 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 23:07:22,837 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-22 23:07:22,837 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 23:07:22,837 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 23:07:22,838 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_7bd01272-191f-4f39-8610-8c7498b02bad/bin-2019/uautomizer 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 -> 0322173b3e50156a3157d6284ff4dd2480f2ac8d [2018-11-22 23:07:22,860 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 23:07:22,868 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 23:07:22,871 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 23:07:22,872 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 23:07:22,872 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 23:07:22,872 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7bd01272-191f-4f39-8610-8c7498b02bad/bin-2019/uautomizer/../../sv-benchmarks/c/loops/veris.c_NetBSD-libc__loop_true-unreach-call_true-termination.i [2018-11-22 23:07:22,909 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7bd01272-191f-4f39-8610-8c7498b02bad/bin-2019/uautomizer/data/0deb0947c/488d5bd7777748c4bdaa3ebf59c6ed75/FLAG1f223d96b [2018-11-22 23:07:23,306 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 23:07:23,306 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7bd01272-191f-4f39-8610-8c7498b02bad/sv-benchmarks/c/loops/veris.c_NetBSD-libc__loop_true-unreach-call_true-termination.i [2018-11-22 23:07:23,310 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7bd01272-191f-4f39-8610-8c7498b02bad/bin-2019/uautomizer/data/0deb0947c/488d5bd7777748c4bdaa3ebf59c6ed75/FLAG1f223d96b [2018-11-22 23:07:23,319 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7bd01272-191f-4f39-8610-8c7498b02bad/bin-2019/uautomizer/data/0deb0947c/488d5bd7777748c4bdaa3ebf59c6ed75 [2018-11-22 23:07:23,321 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 23:07:23,321 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 23:07:23,322 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 23:07:23,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 23:07:23,324 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 23:07:23,325 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:07:23" (1/1) ... [2018-11-22 23:07:23,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44db1cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:23, skipping insertion in model container [2018-11-22 23:07:23,327 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:07:23" (1/1) ... [2018-11-22 23:07:23,332 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 23:07:23,344 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 23:07:23,452 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:07:23,458 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 23:07:23,469 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:07:23,478 INFO L195 MainTranslator]: Completed translation [2018-11-22 23:07:23,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:23 WrapperNode [2018-11-22 23:07:23,478 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 23:07:23,479 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 23:07:23,479 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 23:07:23,479 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 23:07:23,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:23" (1/1) ... [2018-11-22 23:07:23,489 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:23" (1/1) ... [2018-11-22 23:07:23,494 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 23:07:23,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 23:07:23,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 23:07:23,495 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 23:07:23,500 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:23" (1/1) ... [2018-11-22 23:07:23,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:23" (1/1) ... [2018-11-22 23:07:23,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:23" (1/1) ... [2018-11-22 23:07:23,502 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:23" (1/1) ... [2018-11-22 23:07:23,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:23" (1/1) ... [2018-11-22 23:07:23,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:23" (1/1) ... [2018-11-22 23:07:23,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:23" (1/1) ... [2018-11-22 23:07:23,550 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 23:07:23,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 23:07:23,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 23:07:23,550 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 23:07:23,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7bd01272-191f-4f39-8610-8c7498b02bad/bin-2019/uautomizer/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 [2018-11-22 23:07:23,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-22 23:07:23,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 23:07:23,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 23:07:23,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 23:07:23,593 INFO L130 BoogieDeclarations]: Found specification of procedure glob2 [2018-11-22 23:07:23,593 INFO L138 BoogieDeclarations]: Found implementation of procedure glob2 [2018-11-22 23:07:23,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 23:07:23,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 23:07:23,593 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 23:07:23,593 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 23:07:23,593 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-22 23:07:23,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-22 23:07:23,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-22 23:07:23,729 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 23:07:23,729 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-22 23:07:23,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:07:23 BoogieIcfgContainer [2018-11-22 23:07:23,730 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 23:07:23,730 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 23:07:23,730 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 23:07:23,733 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 23:07:23,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 11:07:23" (1/3) ... [2018-11-22 23:07:23,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c3c0e83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:07:23, skipping insertion in model container [2018-11-22 23:07:23,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:23" (2/3) ... [2018-11-22 23:07:23,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c3c0e83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:07:23, skipping insertion in model container [2018-11-22 23:07:23,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:07:23" (3/3) ... [2018-11-22 23:07:23,736 INFO L112 eAbstractionObserver]: Analyzing ICFG veris.c_NetBSD-libc__loop_true-unreach-call_true-termination.i [2018-11-22 23:07:23,745 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 23:07:23,751 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-22 23:07:23,765 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-22 23:07:23,789 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-22 23:07:23,789 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 23:07:23,790 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-22 23:07:23,790 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 23:07:23,790 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 23:07:23,790 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 23:07:23,790 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 23:07:23,790 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 23:07:23,790 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 23:07:23,804 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2018-11-22 23:07:23,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-22 23:07:23,809 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:07:23,810 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:07:23,812 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:07:23,816 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:07:23,816 INFO L82 PathProgramCache]: Analyzing trace with hash -1626450083, now seen corresponding path program 1 times [2018-11-22 23:07:23,819 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:07:23,819 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:07:23,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:07:23,849 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:07:23,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:07:23,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:24,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:07:24,029 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:07:24,029 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-22 23:07:24,031 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-22 23:07:24,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-22 23:07:24,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-22 23:07:24,040 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 7 states. [2018-11-22 23:07:24,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:07:24,184 INFO L93 Difference]: Finished difference Result 55 states and 64 transitions. [2018-11-22 23:07:24,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-22 23:07:24,186 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2018-11-22 23:07:24,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:07:24,191 INFO L225 Difference]: With dead ends: 55 [2018-11-22 23:07:24,191 INFO L226 Difference]: Without dead ends: 26 [2018-11-22 23:07:24,194 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-11-22 23:07:24,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-11-22 23:07:24,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2018-11-22 23:07:24,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-11-22 23:07:24,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2018-11-22 23:07:24,220 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 13 [2018-11-22 23:07:24,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:07:24,221 INFO L480 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2018-11-22 23:07:24,221 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-22 23:07:24,221 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2018-11-22 23:07:24,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-22 23:07:24,221 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:07:24,222 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:07:24,222 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:07:24,222 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:07:24,222 INFO L82 PathProgramCache]: Analyzing trace with hash -519824651, now seen corresponding path program 1 times [2018-11-22 23:07:24,222 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:07:24,223 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:07:24,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:07:24,224 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:07:24,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:07:24,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:24,330 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-22 23:07:24,330 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:07:24,330 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7bd01272-191f-4f39-8610-8c7498b02bad/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 23:07:24,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:07:24,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:07:24,365 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:07:24,493 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:07:24,511 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-22 23:07:24,511 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 14 [2018-11-22 23:07:24,512 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-22 23:07:24,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-22 23:07:24,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2018-11-22 23:07:24,513 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand 14 states. [2018-11-22 23:07:24,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:07:24,650 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2018-11-22 23:07:24,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-22 23:07:24,651 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 21 [2018-11-22 23:07:24,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:07:24,651 INFO L225 Difference]: With dead ends: 27 [2018-11-22 23:07:24,651 INFO L226 Difference]: Without dead ends: 0 [2018-11-22 23:07:24,652 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 16 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2018-11-22 23:07:24,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-22 23:07:24,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-22 23:07:24,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-22 23:07:24,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-22 23:07:24,653 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2018-11-22 23:07:24,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:07:24,653 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 23:07:24,653 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-22 23:07:24,653 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-22 23:07:24,653 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 23:07:24,656 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-22 23:07:24,769 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-22 23:07:24,769 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-22 23:07:24,769 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-22 23:07:24,769 INFO L451 ceAbstractionStarter]: At program point glob2ENTRY(lines 14 25) the Hoare annotation is: true [2018-11-22 23:07:24,769 INFO L448 ceAbstractionStarter]: For program point glob2EXIT(lines 14 25) no Hoare annotation was computed. [2018-11-22 23:07:24,769 INFO L444 ceAbstractionStarter]: At program point L20(line 20) the Hoare annotation is: (or (< ~tmp~0.offset 4) (not (= 0 |glob2_#in~pathbuf.offset|)) (not (= ~tmp~0.base |glob2_#in~pathbuf.base|)) (< ~tmp~0.offset |glob2_#in~pathlim.offset|) (and (<= glob2_~p~0.offset ~tmp~0.offset) (<= glob2_~pathlim.offset ~tmp~0.offset) (= ~tmp~0.base glob2_~p~0.base))) [2018-11-22 23:07:24,770 INFO L448 ceAbstractionStarter]: For program point L20-1(line 20) no Hoare annotation was computed. [2018-11-22 23:07:24,770 INFO L448 ceAbstractionStarter]: For program point L18-2(lines 18 22) no Hoare annotation was computed. [2018-11-22 23:07:24,770 INFO L444 ceAbstractionStarter]: At program point L18-3(lines 18 22) the Hoare annotation is: (or (< ~tmp~0.offset 4) (and (<= glob2_~pathlim.offset ~tmp~0.offset) (= ~tmp~0.base glob2_~p~0.base)) (not (= 0 |glob2_#in~pathbuf.offset|)) (not (= ~tmp~0.base |glob2_#in~pathbuf.base|)) (< ~tmp~0.offset |glob2_#in~pathlim.offset|)) [2018-11-22 23:07:24,770 INFO L448 ceAbstractionStarter]: For program point L18-4(lines 18 22) no Hoare annotation was computed. [2018-11-22 23:07:24,770 INFO L448 ceAbstractionStarter]: For program point glob2FINAL(lines 14 25) no Hoare annotation was computed. [2018-11-22 23:07:24,770 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-22 23:07:24,770 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-22 23:07:24,770 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-22 23:07:24,770 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-22 23:07:24,770 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 27 38) the Hoare annotation is: true [2018-11-22 23:07:24,770 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 27 38) no Hoare annotation was computed. [2018-11-22 23:07:24,770 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 27 38) no Hoare annotation was computed. [2018-11-22 23:07:24,771 INFO L444 ceAbstractionStarter]: At program point L35(line 35) the Hoare annotation is: (and (<= (+ |main_~#pathbuf~0.offset| 4) ~tmp~0.offset) (= ~tmp~0.base |main_~#pathbuf~0.base|) (<= main_~bound~0.offset ~tmp~0.offset) (= |main_~#pathbuf~0.offset| 0)) [2018-11-22 23:07:24,771 INFO L448 ceAbstractionStarter]: For program point L35-1(line 35) no Hoare annotation was computed. [2018-11-22 23:07:24,771 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-11-22 23:07:24,771 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2018-11-22 23:07:24,771 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2018-11-22 23:07:24,771 INFO L448 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-11-22 23:07:24,771 INFO L448 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-11-22 23:07:24,771 INFO L448 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2018-11-22 23:07:24,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 11:07:24 BoogieIcfgContainer [2018-11-22 23:07:24,781 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-22 23:07:24,782 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 23:07:24,782 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 23:07:24,782 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 23:07:24,783 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:07:23" (3/4) ... [2018-11-22 23:07:24,786 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 23:07:24,792 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-22 23:07:24,792 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure glob2 [2018-11-22 23:07:24,792 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-22 23:07:24,792 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-22 23:07:24,796 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-11-22 23:07:24,796 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-22 23:07:24,796 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 23:07:24,822 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7bd01272-191f-4f39-8610-8c7498b02bad/bin-2019/uautomizer/witness.graphml [2018-11-22 23:07:24,822 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 23:07:24,823 INFO L168 Benchmark]: Toolchain (without parser) took 1501.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 959.1 MB in the beginning and 970.7 MB in the end (delta: -11.6 MB). Peak memory consumption was 116.9 MB. Max. memory is 11.5 GB. [2018-11-22 23:07:24,824 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:07:24,824 INFO L168 Benchmark]: CACSL2BoogieTranslator took 156.23 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.2 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-11-22 23:07:24,824 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.58 ms. Allocated memory is still 1.0 GB. Free memory was 948.2 MB in the beginning and 945.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-22 23:07:24,825 INFO L168 Benchmark]: Boogie Preprocessor took 55.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -180.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-22 23:07:24,825 INFO L168 Benchmark]: RCFGBuilder took 179.74 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: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-22 23:07:24,826 INFO L168 Benchmark]: TraceAbstraction took 1051.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 973.4 MB in the end (delta: 138.2 MB). Peak memory consumption was 138.2 MB. Max. memory is 11.5 GB. [2018-11-22 23:07:24,826 INFO L168 Benchmark]: Witness Printer took 40.56 ms. Allocated memory is still 1.2 GB. Free memory was 973.4 MB in the beginning and 970.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-22 23:07:24,828 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 156.23 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.2 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 15.58 ms. Allocated memory is still 1.0 GB. Free memory was 948.2 MB in the beginning and 945.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -180.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 179.74 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: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1051.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 973.4 MB in the end (delta: 138.2 MB). Peak memory consumption was 138.2 MB. Max. memory is 11.5 GB. * Witness Printer took 40.56 ms. Allocated memory is still 1.2 GB. Free memory was 973.4 MB in the beginning and 970.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: (((tmp < 4 || (pathlim <= tmp && tmp == p)) || !(0 == pathbuf)) || !(tmp == pathbuf)) || tmp < pathlim - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 26 locations, 1 error locations. SAFE Result, 0.9s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 26 SDtfs, 42 SDslu, 139 SDs, 0 SdLazy, 158 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 18 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 11 PreInvPairs, 16 NumberOfFragments, 72 HoareAnnotationTreeSize, 11 FomulaSimplifications, 63 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 121 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 4128 SizeOfPredicates, 8 NumberOfNonLiveVariables, 113 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 3/8 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...