./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ss4f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8b76ffb4-5b62-4ac9-bb65-5f4ac0a9a4f4/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_8b76ffb4-5b62-4ac9-bb65-5f4ac0a9a4f4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8b76ffb4-5b62-4ac9-bb65-5f4ac0a9a4f4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8b76ffb4-5b62-4ac9-bb65-5f4ac0a9a4f4/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/ss4f.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8b76ffb4-5b62-4ac9-bb65-5f4ac0a9a4f4/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8b76ffb4-5b62-4ac9-bb65-5f4ac0a9a4f4/bin/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 7b7b665c41d8eb97c323bd5a23347954e8a377fe ........................................................................................................................................................................................................................................................................................................................................................................................................................ 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 0.1.24-6b5699a [2019-11-25 08:52:52,728 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:52:52,730 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:52:52,741 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:52:52,741 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:52:52,742 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:52:52,743 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:52:52,745 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:52:52,747 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:52:52,748 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:52:52,749 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:52:52,750 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:52:52,750 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:52:52,751 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:52:52,752 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:52:52,753 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:52:52,756 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:52:52,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:52:52,758 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:52:52,760 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:52:52,762 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:52:52,763 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:52:52,764 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:52:52,765 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:52:52,767 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:52:52,768 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:52:52,768 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:52:52,769 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:52:52,770 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:52:52,776 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:52:52,776 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:52:52,777 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:52:52,778 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:52:52,779 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:52:52,781 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:52:52,782 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:52:52,783 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:52:52,783 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:52:52,783 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:52:52,786 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:52:52,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:52:52,789 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8b76ffb4-5b62-4ac9-bb65-5f4ac0a9a4f4/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:52:52,810 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:52:52,810 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:52:52,812 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:52:52,812 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:52:52,812 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:52:52,812 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:52:52,812 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:52:52,813 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:52:52,813 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:52:52,813 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:52:52,814 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:52:52,814 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:52:52,814 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:52:52,814 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:52:52,815 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:52:52,815 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:52:52,815 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:52:52,815 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:52:52,815 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:52:52,816 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:52:52,816 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:52:52,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:52:52,816 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:52:52,816 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:52:52,816 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:52:52,817 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:52:52,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:52:52,817 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:52:52,817 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_8b76ffb4-5b62-4ac9-bb65-5f4ac0a9a4f4/bin/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 -> 7b7b665c41d8eb97c323bd5a23347954e8a377fe [2019-11-25 08:52:52,954 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:52:52,964 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:52:52,967 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:52:52,969 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:52:52,969 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:52:52,970 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8b76ffb4-5b62-4ac9-bb65-5f4ac0a9a4f4/bin/uautomizer/../../sv-benchmarks/c/array-fpi/ss4f.c [2019-11-25 08:52:53,019 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8b76ffb4-5b62-4ac9-bb65-5f4ac0a9a4f4/bin/uautomizer/data/4f031cd24/7b91593bfa33411e94609e3e7cdccb5d/FLAGf9493e8b5 [2019-11-25 08:52:53,366 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:52:53,367 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8b76ffb4-5b62-4ac9-bb65-5f4ac0a9a4f4/sv-benchmarks/c/array-fpi/ss4f.c [2019-11-25 08:52:53,373 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8b76ffb4-5b62-4ac9-bb65-5f4ac0a9a4f4/bin/uautomizer/data/4f031cd24/7b91593bfa33411e94609e3e7cdccb5d/FLAGf9493e8b5 [2019-11-25 08:52:53,750 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8b76ffb4-5b62-4ac9-bb65-5f4ac0a9a4f4/bin/uautomizer/data/4f031cd24/7b91593bfa33411e94609e3e7cdccb5d [2019-11-25 08:52:53,753 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:52:53,754 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:52:53,755 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:52:53,755 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:52:53,759 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:52:53,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:52:53" (1/1) ... [2019-11-25 08:52:53,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cec2673 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:53, skipping insertion in model container [2019-11-25 08:52:53,763 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:52:53" (1/1) ... [2019-11-25 08:52:53,770 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:52:53,793 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:52:54,024 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:52:54,111 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:52:54,142 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:52:54,157 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:52:54,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:54 WrapperNode [2019-11-25 08:52:54,158 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:52:54,159 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:52:54,159 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:52:54,159 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:52:54,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:54" (1/1) ... [2019-11-25 08:52:54,184 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:54" (1/1) ... [2019-11-25 08:52:54,207 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:52:54,207 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:52:54,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:52:54,208 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:52:54,217 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:54" (1/1) ... [2019-11-25 08:52:54,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:54" (1/1) ... [2019-11-25 08:52:54,219 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:54" (1/1) ... [2019-11-25 08:52:54,220 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:54" (1/1) ... [2019-11-25 08:52:54,226 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:54" (1/1) ... [2019-11-25 08:52:54,232 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:54" (1/1) ... [2019-11-25 08:52:54,233 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:54" (1/1) ... [2019-11-25 08:52:54,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:52:54,236 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:52:54,236 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:52:54,236 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:52:54,237 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8b76ffb4-5b62-4ac9-bb65-5f4ac0a9a4f4/bin/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 [2019-11-25 08:52:54,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:52:54,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:52:54,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-25 08:52:54,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:52:54,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:52:54,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-25 08:52:54,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:52:54,576 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:52:54,576 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-25 08:52:54,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:52:54 BoogieIcfgContainer [2019-11-25 08:52:54,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:52:54,579 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:52:54,579 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:52:54,582 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:52:54,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:52:53" (1/3) ... [2019-11-25 08:52:54,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1712e610 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:52:54, skipping insertion in model container [2019-11-25 08:52:54,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:54" (2/3) ... [2019-11-25 08:52:54,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1712e610 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:52:54, skipping insertion in model container [2019-11-25 08:52:54,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:52:54" (3/3) ... [2019-11-25 08:52:54,587 INFO L109 eAbstractionObserver]: Analyzing ICFG ss4f.c [2019-11-25 08:52:54,597 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:52:54,603 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 08:52:54,615 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-25 08:52:54,637 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:52:54,638 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:52:54,638 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:52:54,638 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:52:54,638 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:52:54,639 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:52:54,639 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:52:54,639 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:52:54,654 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2019-11-25 08:52:54,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-25 08:52:54,661 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:52:54,662 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:52:54,662 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:52:54,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:54,668 INFO L82 PathProgramCache]: Analyzing trace with hash 920027386, now seen corresponding path program 1 times [2019-11-25 08:52:54,676 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:54,677 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25436539] [2019-11-25 08:52:54,677 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:54,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:54,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:52:54,820 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25436539] [2019-11-25 08:52:54,821 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:52:54,821 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:52:54,822 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448753851] [2019-11-25 08:52:54,825 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-25 08:52:54,826 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:52:54,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-25 08:52:54,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:52:54,837 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 2 states. [2019-11-25 08:52:54,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:52:54,853 INFO L93 Difference]: Finished difference Result 39 states and 54 transitions. [2019-11-25 08:52:54,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-25 08:52:54,854 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2019-11-25 08:52:54,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:52:54,861 INFO L225 Difference]: With dead ends: 39 [2019-11-25 08:52:54,862 INFO L226 Difference]: Without dead ends: 18 [2019-11-25 08:52:54,864 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 [2019-11-25 08:52:54,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-11-25 08:52:54,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-11-25 08:52:54,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-11-25 08:52:54,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2019-11-25 08:52:54,889 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 21 transitions. Word has length 13 [2019-11-25 08:52:54,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:52:54,889 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 21 transitions. [2019-11-25 08:52:54,889 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-25 08:52:54,890 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2019-11-25 08:52:54,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-25 08:52:54,890 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:52:54,890 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:52:54,891 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:52:54,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:54,891 INFO L82 PathProgramCache]: Analyzing trace with hash 232180998, now seen corresponding path program 1 times [2019-11-25 08:52:54,891 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:54,891 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706451728] [2019-11-25 08:52:54,892 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:54,909 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-25 08:52:54,909 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1276581613] [2019-11-25 08:52:54,910 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8b76ffb4-5b62-4ac9-bb65-5f4ac0a9a4f4/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:52:54,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:54,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-25 08:52:54,981 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:52:55,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:52:55,019 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706451728] [2019-11-25 08:52:55,019 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-25 08:52:55,019 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1276581613] [2019-11-25 08:52:55,020 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:52:55,020 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:52:55,020 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372667072] [2019-11-25 08:52:55,022 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:52:55,022 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:52:55,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:52:55,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:52:55,023 INFO L87 Difference]: Start difference. First operand 18 states and 21 transitions. Second operand 3 states. [2019-11-25 08:52:55,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:52:55,069 INFO L93 Difference]: Finished difference Result 33 states and 39 transitions. [2019-11-25 08:52:55,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:52:55,070 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-11-25 08:52:55,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:52:55,071 INFO L225 Difference]: With dead ends: 33 [2019-11-25 08:52:55,071 INFO L226 Difference]: Without dead ends: 20 [2019-11-25 08:52:55,072 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:52:55,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-11-25 08:52:55,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2019-11-25 08:52:55,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-25 08:52:55,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2019-11-25 08:52:55,077 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 13 [2019-11-25 08:52:55,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:52:55,077 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2019-11-25 08:52:55,077 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:52:55,077 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2019-11-25 08:52:55,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-25 08:52:55,078 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:52:55,078 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:52:55,279 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:52:55,279 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:52:55,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:55,280 INFO L82 PathProgramCache]: Analyzing trace with hash -1949301912, now seen corresponding path program 1 times [2019-11-25 08:52:55,280 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:55,280 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664015194] [2019-11-25 08:52:55,280 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:55,323 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-25 08:52:55,330 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1670106768] [2019-11-25 08:52:55,330 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8b76ffb4-5b62-4ac9-bb65-5f4ac0a9a4f4/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:52:55,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:55,397 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-25 08:52:55,398 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:52:55,412 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-25 08:52:55,413 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664015194] [2019-11-25 08:52:55,413 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-25 08:52:55,413 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1670106768] [2019-11-25 08:52:55,413 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:52:55,413 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:52:55,414 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334826547] [2019-11-25 08:52:55,414 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:52:55,414 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:52:55,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:52:55,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:52:55,415 INFO L87 Difference]: Start difference. First operand 19 states and 22 transitions. Second operand 4 states. [2019-11-25 08:52:55,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:52:55,479 INFO L93 Difference]: Finished difference Result 36 states and 43 transitions. [2019-11-25 08:52:55,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:52:55,479 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2019-11-25 08:52:55,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:52:55,480 INFO L225 Difference]: With dead ends: 36 [2019-11-25 08:52:55,480 INFO L226 Difference]: Without dead ends: 26 [2019-11-25 08:52:55,481 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:52:55,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-11-25 08:52:55,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 22. [2019-11-25 08:52:55,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-25 08:52:55,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2019-11-25 08:52:55,485 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 15 [2019-11-25 08:52:55,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:52:55,486 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2019-11-25 08:52:55,486 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:52:55,486 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2019-11-25 08:52:55,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-25 08:52:55,486 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:52:55,487 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] [2019-11-25 08:52:55,687 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:52:55,687 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:52:55,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:55,688 INFO L82 PathProgramCache]: Analyzing trace with hash -1949747954, now seen corresponding path program 1 times [2019-11-25 08:52:55,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:55,688 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123110673] [2019-11-25 08:52:55,688 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:55,712 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-25 08:52:55,712 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1083459549] [2019-11-25 08:52:55,713 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8b76ffb4-5b62-4ac9-bb65-5f4ac0a9a4f4/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:52:55,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:55,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:52:55,801 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:52:55,801 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-25 08:52:56,001 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:52:56,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:52:56 BoogieIcfgContainer [2019-11-25 08:52:56,032 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:52:56,032 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:52:56,032 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:52:56,033 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:52:56,033 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:52:54" (3/4) ... [2019-11-25 08:52:56,035 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-25 08:52:56,082 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8b76ffb4-5b62-4ac9-bb65-5f4ac0a9a4f4/bin/uautomizer/witness.graphml [2019-11-25 08:52:56,082 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:52:56,084 INFO L168 Benchmark]: Toolchain (without parser) took 2329.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 950.1 MB in the beginning and 1.0 GB in the end (delta: -61.3 MB). Peak memory consumption was 60.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:56,085 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:52:56,086 INFO L168 Benchmark]: CACSL2BoogieTranslator took 403.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -166.4 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:56,086 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.24 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. [2019-11-25 08:52:56,087 INFO L168 Benchmark]: Boogie Preprocessor took 28.39 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:56,087 INFO L168 Benchmark]: RCFGBuilder took 341.80 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: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:56,088 INFO L168 Benchmark]: TraceAbstraction took 1453.24 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: 76.1 MB). Peak memory consumption was 76.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:56,088 INFO L168 Benchmark]: Witness Printer took 50.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:56,095 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 403.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -166.4 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.24 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. * Boogie Preprocessor took 28.39 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 341.80 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: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1453.24 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: 76.1 MB). Peak memory consumption was 76.1 MB. Max. memory is 11.5 GB. * Witness Printer took 50.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 10]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L14] int N; VAL [N=0] [L18] N = __VERIFIER_nondet_int() [L19] COND FALSE !(N <= 0) [L22] int i; [L23] long long sum[1]; [L24] long long *a = malloc(sizeof(long long)*N); [L26] sum[0] = 0 [L27] i=0 VAL [N=1] [L27] COND TRUE i