./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ebd57a56-3e36-42d2-8eaf-9322e2da52e4/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ebd57a56-3e36-42d2-8eaf-9322e2da52e4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ebd57a56-3e36-42d2-8eaf-9322e2da52e4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ebd57a56-3e36-42d2-8eaf-9322e2da52e4/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i -s /tmp/vcloud-vcloud-master/worker/run_dir_ebd57a56-3e36-42d2-8eaf-9322e2da52e4/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ebd57a56-3e36-42d2-8eaf-9322e2da52e4/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 8538ad1ae962a1ba831f755fb5c2de9d27f82db5 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 22:00:21,441 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:00:21,443 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:00:21,457 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:00:21,458 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:00:21,459 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:00:21,461 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:00:21,470 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:00:21,475 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:00:21,479 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:00:21,480 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:00:21,482 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:00:21,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:00:21,484 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:00:21,485 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:00:21,486 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:00:21,487 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:00:21,488 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:00:21,491 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:00:21,494 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:00:21,498 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:00:21,500 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:00:21,503 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:00:21,504 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:00:21,506 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:00:21,506 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:00:21,507 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:00:21,508 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:00:21,509 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:00:21,510 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:00:21,510 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:00:21,510 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:00:21,511 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:00:21,512 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:00:21,513 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:00:21,513 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:00:21,514 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:00:21,514 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:00:21,514 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:00:21,515 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:00:21,516 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:00:21,517 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ebd57a56-3e36-42d2-8eaf-9322e2da52e4/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 22:00:21,546 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:00:21,548 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:00:21,550 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:00:21,555 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:00:21,555 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 22:00:21,555 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:00:21,556 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 22:00:21,556 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:00:21,556 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 22:00:21,556 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:00:21,557 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 22:00:21,557 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 22:00:21,557 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 22:00:21,557 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 22:00:21,557 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:00:21,558 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:00:21,558 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 22:00:21,558 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:00:21,558 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 22:00:21,558 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 22:00:21,559 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 22:00:21,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 22:00:21,559 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:00:21,559 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 22:00:21,560 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 22:00:21,560 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 22:00:21,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 22:00:21,560 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 22:00:21,561 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_ebd57a56-3e36-42d2-8eaf-9322e2da52e4/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 -> 8538ad1ae962a1ba831f755fb5c2de9d27f82db5 [2019-11-19 22:00:21,731 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:00:21,745 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:00:21,747 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:00:21,749 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:00:21,749 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:00:21,750 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ebd57a56-3e36-42d2-8eaf-9322e2da52e4/bin/uautomizer/../../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i [2019-11-19 22:00:21,806 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ebd57a56-3e36-42d2-8eaf-9322e2da52e4/bin/uautomizer/data/250caf093/ffe34c8a630d4a5e9c1abdbb1c57458a/FLAG14e0efb69 [2019-11-19 22:00:22,221 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:00:22,222 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ebd57a56-3e36-42d2-8eaf-9322e2da52e4/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i [2019-11-19 22:00:22,228 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ebd57a56-3e36-42d2-8eaf-9322e2da52e4/bin/uautomizer/data/250caf093/ffe34c8a630d4a5e9c1abdbb1c57458a/FLAG14e0efb69 [2019-11-19 22:00:22,634 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ebd57a56-3e36-42d2-8eaf-9322e2da52e4/bin/uautomizer/data/250caf093/ffe34c8a630d4a5e9c1abdbb1c57458a [2019-11-19 22:00:22,638 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:00:22,639 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:00:22,643 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:00:22,644 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:00:22,647 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:00:22,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:00:22" (1/1) ... [2019-11-19 22:00:22,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@525ee995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:22, skipping insertion in model container [2019-11-19 22:00:22,656 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:00:22" (1/1) ... [2019-11-19 22:00:22,662 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:00:22,680 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:00:22,913 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:00:22,916 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:00:22,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:00:22,956 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:00:22,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:22 WrapperNode [2019-11-19 22:00:22,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:00:22,957 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:00:22,957 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:00:22,958 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:00:22,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:22" (1/1) ... [2019-11-19 22:00:22,974 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:22" (1/1) ... [2019-11-19 22:00:22,995 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:00:22,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:00:22,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:00:22,996 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:00:23,009 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:22" (1/1) ... [2019-11-19 22:00:23,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:22" (1/1) ... [2019-11-19 22:00:23,011 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:22" (1/1) ... [2019-11-19 22:00:23,012 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:22" (1/1) ... [2019-11-19 22:00:23,016 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:22" (1/1) ... [2019-11-19 22:00:23,020 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:22" (1/1) ... [2019-11-19 22:00:23,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:22" (1/1) ... [2019-11-19 22:00:23,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:00:23,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:00:23,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:00:23,025 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:00:23,025 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ebd57a56-3e36-42d2-8eaf-9322e2da52e4/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 [2019-11-19 22:00:23,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:00:23,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:00:23,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-19 22:00:23,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 22:00:23,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 22:00:23,398 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:00:23,398 INFO L285 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-19 22:00:23,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:00:23 BoogieIcfgContainer [2019-11-19 22:00:23,400 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:00:23,401 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 22:00:23,401 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 22:00:23,404 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 22:00:23,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:00:22" (1/3) ... [2019-11-19 22:00:23,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ca66dec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:00:23, skipping insertion in model container [2019-11-19 22:00:23,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:22" (2/3) ... [2019-11-19 22:00:23,411 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ca66dec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:00:23, skipping insertion in model container [2019-11-19 22:00:23,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:00:23" (3/3) ... [2019-11-19 22:00:23,418 INFO L109 eAbstractionObserver]: Analyzing ICFG simple_array_index_value_4.i [2019-11-19 22:00:23,436 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 22:00:23,442 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-11-19 22:00:23,457 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-11-19 22:00:23,482 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 22:00:23,482 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 22:00:23,483 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 22:00:23,484 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 22:00:23,485 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 22:00:23,485 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 22:00:23,485 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 22:00:23,485 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 22:00:23,501 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2019-11-19 22:00:23,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-19 22:00:23,509 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:00:23,510 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-19 22:00:23,511 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 22:00:23,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:00:23,517 INFO L82 PathProgramCache]: Analyzing trace with hash 28699754, now seen corresponding path program 1 times [2019-11-19 22:00:23,527 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:00:23,528 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842354192] [2019-11-19 22:00:23,528 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:00:23,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:00:23,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:00:23,757 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842354192] [2019-11-19 22:00:23,758 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:00:23,758 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 22:00:23,759 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84092661] [2019-11-19 22:00:23,763 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 22:00:23,763 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:00:23,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 22:00:23,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-19 22:00:23,793 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 4 states. [2019-11-19 22:00:23,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:00:23,943 INFO L93 Difference]: Finished difference Result 45 states and 63 transitions. [2019-11-19 22:00:23,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 22:00:23,945 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2019-11-19 22:00:23,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 22:00:23,954 INFO L225 Difference]: With dead ends: 45 [2019-11-19 22:00:23,954 INFO L226 Difference]: Without dead ends: 22 [2019-11-19 22:00:23,957 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-19 22:00:23,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-11-19 22:00:23,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 15. [2019-11-19 22:00:23,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-19 22:00:23,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2019-11-19 22:00:23,990 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 5 [2019-11-19 22:00:23,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 22:00:23,990 INFO L462 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2019-11-19 22:00:23,990 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 22:00:23,991 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2019-11-19 22:00:23,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-19 22:00:23,991 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:00:23,991 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:00:23,992 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 22:00:23,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:00:23,992 INFO L82 PathProgramCache]: Analyzing trace with hash 1809251313, now seen corresponding path program 1 times [2019-11-19 22:00:23,992 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:00:23,993 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004061331] [2019-11-19 22:00:23,993 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:00:24,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:00:24,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:00:24,071 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004061331] [2019-11-19 22:00:24,071 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:00:24,071 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 22:00:24,071 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209904499] [2019-11-19 22:00:24,073 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 22:00:24,073 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:00:24,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 22:00:24,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 22:00:24,074 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand 3 states. [2019-11-19 22:00:24,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:00:24,085 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2019-11-19 22:00:24,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 22:00:24,086 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-11-19 22:00:24,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 22:00:24,087 INFO L225 Difference]: With dead ends: 22 [2019-11-19 22:00:24,087 INFO L226 Difference]: Without dead ends: 16 [2019-11-19 22:00:24,088 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 22:00:24,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-19 22:00:24,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2019-11-19 22:00:24,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-19 22:00:24,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2019-11-19 22:00:24,094 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 7 [2019-11-19 22:00:24,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 22:00:24,094 INFO L462 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2019-11-19 22:00:24,094 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 22:00:24,094 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2019-11-19 22:00:24,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-19 22:00:24,095 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:00:24,095 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2019-11-19 22:00:24,096 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 22:00:24,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:00:24,096 INFO L82 PathProgramCache]: Analyzing trace with hash 300686882, now seen corresponding path program 1 times [2019-11-19 22:00:24,096 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:00:24,097 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549199738] [2019-11-19 22:00:24,097 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:00:24,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:00:24,290 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:00:24,290 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549199738] [2019-11-19 22:00:24,290 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [980873530] [2019-11-19 22:00:24,291 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ebd57a56-3e36-42d2-8eaf-9322e2da52e4/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 [2019-11-19 22:00:24,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:00:24,412 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-19 22:00:24,416 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:00:24,555 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 22:00:24,592 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:00:24,592 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-19 22:00:24,593 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2019-11-19 22:00:24,593 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624741477] [2019-11-19 22:00:24,593 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-19 22:00:24,594 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:00:24,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-19 22:00:24,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-19 22:00:24,594 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand 10 states. [2019-11-19 22:00:24,926 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 18 [2019-11-19 22:00:27,340 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 19 [2019-11-19 22:00:27,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:00:27,692 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2019-11-19 22:00:27,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-19 22:00:27,692 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 8 [2019-11-19 22:00:27,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 22:00:27,693 INFO L225 Difference]: With dead ends: 29 [2019-11-19 22:00:27,693 INFO L226 Difference]: Without dead ends: 19 [2019-11-19 22:00:27,694 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2019-11-19 22:00:27,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-11-19 22:00:27,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 11. [2019-11-19 22:00:27,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-19 22:00:27,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2019-11-19 22:00:27,698 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 8 [2019-11-19 22:00:27,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 22:00:27,698 INFO L462 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2019-11-19 22:00:27,698 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-19 22:00:27,698 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2019-11-19 22:00:27,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-19 22:00:27,699 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:00:27,699 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:00:27,899 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 22:00:27,900 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 22:00:27,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:00:27,900 INFO L82 PathProgramCache]: Analyzing trace with hash 1195876265, now seen corresponding path program 1 times [2019-11-19 22:00:27,901 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:00:27,901 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150934027] [2019-11-19 22:00:27,901 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:00:27,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:00:28,321 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 37 [2019-11-19 22:00:28,366 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:00:28,367 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150934027] [2019-11-19 22:00:28,367 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1023998529] [2019-11-19 22:00:28,367 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ebd57a56-3e36-42d2-8eaf-9322e2da52e4/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 [2019-11-19 22:00:28,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:00:28,470 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 20 conjunts are in the unsatisfiable core [2019-11-19 22:00:28,471 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:00:30,506 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse15 (mod (+ c_ULTIMATE.start_main_~index1~0 4294967295) 4294967296)) (.cse16 (+ c_ULTIMATE.start_main_~index2~0 1))) (let ((.cse10 (mod .cse16 4294967296)) (.cse8 (select |c_#memory_int| |c_ULTIMATE.start_main_~#array~0.base|)) (.cse14 (* .cse15 4))) (let ((.cse0 (* 4294967296 (div .cse16 4294967296))) (.cse4 (< 2147483647 .cse15)) (.cse2 (<= .cse15 2147483647)) (.cse6 (mod (select .cse8 (+ .cse14 |c_ULTIMATE.start_main_~#array~0.offset| (- 17179869184))) 4294967296)) (.cse7 (mod (select .cse8 (+ .cse14 |c_ULTIMATE.start_main_~#array~0.offset|)) 4294967296)) (.cse9 (* .cse10 4))) (and (<= (+ c_ULTIMATE.start_main_~index1~0 .cse0) (+ (* 4294967296 (div (+ c_ULTIMATE.start_main_~index1~0 (- 1)) 4294967296)) c_ULTIMATE.start_main_~index2~0 1)) (or (let ((.cse5 (mod (select .cse8 (+ |c_ULTIMATE.start_main_~#array~0.offset| .cse9 (- 17179869184))) 4294967296))) (let ((.cse3 (= .cse7 .cse5)) (.cse1 (= .cse5 .cse6))) (and (or .cse1 .cse2 (not .cse3)) (or .cse3 (and .cse1 (or .cse4 (not .cse1))))))) (<= .cse10 2147483647)) (<= c_ULTIMATE.start_main_~index2~0 (+ .cse0 99998)) (or (let ((.cse13 (mod (select .cse8 (+ |c_ULTIMATE.start_main_~#array~0.offset| .cse9)) 4294967296))) (let ((.cse12 (= .cse7 .cse13)) (.cse11 (= .cse13 .cse6))) (and (or (and (or .cse4 (not .cse11)) .cse11) .cse12) (or (not .cse12) .cse2 .cse11)))) (< 2147483647 .cse10)))))) is different from false [2019-11-19 22:00:41,144 WARN L191 SmtUtils]: Spent 5.72 s on a formula simplification. DAG size of input: 70 DAG size of output: 39 [2019-11-19 22:00:41,152 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 22:00:41,154 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 22:00:41,155 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 22:00:41,157 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 22:00:43,284 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 22:00:43,304 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 22:00:43,305 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 22:00:43,323 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 22:00:43,342 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 22:00:43,343 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 22:00:43,344 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 22:00:43,383 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 22:00:43,419 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 22:00:43,420 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 22:00:43,455 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 22:00:45,309 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2019-11-19 22:00:45,310 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-19 22:00:45,310 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 9 [2019-11-19 22:00:45,311 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024395065] [2019-11-19 22:00:45,311 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-19 22:00:45,311 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:00:45,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-19 22:00:45,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=37, Unknown=3, NotChecked=12, Total=72 [2019-11-19 22:00:45,313 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand 9 states. [2019-11-19 22:00:51,060 WARN L191 SmtUtils]: Spent 5.63 s on a formula simplification. DAG size of input: 96 DAG size of output: 38 [2019-11-19 22:00:51,392 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2019-11-19 22:00:51,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:00:51,599 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2019-11-19 22:00:51,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 22:00:51,611 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 10 [2019-11-19 22:00:51,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 22:00:51,611 INFO L225 Difference]: With dead ends: 11 [2019-11-19 22:00:51,611 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 22:00:51,612 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 18.9s TimeCoverageRelationStatistics Valid=41, Invalid=70, Unknown=3, NotChecked=18, Total=132 [2019-11-19 22:00:51,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 22:00:51,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 22:00:51,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 22:00:51,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 22:00:51,613 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2019-11-19 22:00:51,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 22:00:51,613 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:00:51,613 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-19 22:00:51,613 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 22:00:51,614 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 22:00:51,817 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 22:00:51,822 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 22:00:52,399 WARN L191 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 38 [2019-11-19 22:00:52,514 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 41 [2019-11-19 22:00:52,544 INFO L440 ceAbstractionStarter]: At program point L31-2(lines 31 37) the Hoare annotation is: (or (let ((.cse0 (mod (+ ULTIMATE.start_main_~index1~0 4294967295) 4294967296)) (.cse1 (mod (+ ULTIMATE.start_main_~index2~0 1) 4294967296))) (and (< .cse0 .cse1) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (let ((.cse2 (select |#memory_int| |ULTIMATE.start_main_~#array~0.base|))) (= (mod (select .cse2 (+ (* .cse0 4) |ULTIMATE.start_main_~#array~0.offset|)) 4294967296) (mod (select .cse2 (+ |ULTIMATE.start_main_~#array~0.offset| (* .cse1 4))) 4294967296))) (< .cse1 100000))) (and (< (mod ULTIMATE.start_main_~index1~0 4294967296) 100000) (= ULTIMATE.start_main_~loop_entered~0 0) (<= ULTIMATE.start_main_~index2~0 (+ (* 4294967296 (div ULTIMATE.start_main_~index2~0 4294967296)) 99999)))) [2019-11-19 22:00:52,544 INFO L444 ceAbstractionStarter]: For program point L31-3(lines 20 47) no Hoare annotation was computed. [2019-11-19 22:00:52,545 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2019-11-19 22:00:52,545 INFO L444 ceAbstractionStarter]: For program point L19(lines 19 47) no Hoare annotation was computed. [2019-11-19 22:00:52,545 INFO L444 ceAbstractionStarter]: For program point L11(lines 11 13) no Hoare annotation was computed. [2019-11-19 22:00:52,545 INFO L440 ceAbstractionStarter]: At program point L11-2(lines 9 15) the Hoare annotation is: (let ((.cse0 (* 4294967296 (div ULTIMATE.start_main_~index2~0 4294967296)))) (and (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (<= (+ .cse0 ULTIMATE.start_main_~index1~0 1) (+ (* 4294967296 (div ULTIMATE.start_main_~index1~0 4294967296)) ULTIMATE.start_main_~index2~0)) (<= ULTIMATE.start_main_~index2~0 (+ .cse0 99999)))) [2019-11-19 22:00:52,546 INFO L444 ceAbstractionStarter]: For program point L11-3(lines 11 13) no Hoare annotation was computed. [2019-11-19 22:00:52,546 INFO L440 ceAbstractionStarter]: At program point L11-5(lines 9 15) the Hoare annotation is: (let ((.cse0 (mod (+ ULTIMATE.start_main_~index2~0 1) 4294967296))) (and (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (< (mod (+ ULTIMATE.start_main_~index1~0 4294967295) 4294967296) .cse0) (< .cse0 100000))) [2019-11-19 22:00:52,546 INFO L440 ceAbstractionStarter]: At program point L40-2(lines 40 44) the Hoare annotation is: (or (let ((.cse0 (mod (+ ULTIMATE.start_main_~index1~0 4294967295) 4294967296)) (.cse1 (mod (+ ULTIMATE.start_main_~index2~0 1) 4294967296))) (and (< .cse0 .cse1) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (let ((.cse2 (select |#memory_int| |ULTIMATE.start_main_~#array~0.base|))) (= (mod (select .cse2 (+ (* .cse0 4) |ULTIMATE.start_main_~#array~0.offset|)) 4294967296) (mod (select .cse2 (+ |ULTIMATE.start_main_~#array~0.offset| (* .cse1 4))) 4294967296))) (< .cse1 100000))) (let ((.cse3 (mod ULTIMATE.start_main_~index2~0 4294967296))) (and (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (< .cse3 100000) (< (mod ULTIMATE.start_main_~index1~0 4294967296) .cse3)))) [2019-11-19 22:00:52,546 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-19 22:00:52,546 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 22:00:52,546 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 22:00:52,547 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2019-11-19 22:00:52,547 INFO L444 ceAbstractionStarter]: For program point L12(line 12) no Hoare annotation was computed. [2019-11-19 22:00:52,547 INFO L444 ceAbstractionStarter]: For program point L12-1(line 12) no Hoare annotation was computed. [2019-11-19 22:00:52,547 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 22:00:52,547 INFO L444 ceAbstractionStarter]: For program point L39(lines 39 45) no Hoare annotation was computed. [2019-11-19 22:00:52,560 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-19 22:00:52,561 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-19 22:00:52,563 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-19 22:00:52,566 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-19 22:00:52,568 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-19 22:00:52,568 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-19 22:00:52,572 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-19 22:00:52,572 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-19 22:00:52,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 10:00:52 BoogieIcfgContainer [2019-11-19 22:00:52,575 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 22:00:52,576 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:00:52,576 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:00:52,576 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:00:52,577 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:00:23" (3/4) ... [2019-11-19 22:00:52,581 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 22:00:52,593 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-11-19 22:00:52,593 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-19 22:00:52,593 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 22:00:52,686 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ebd57a56-3e36-42d2-8eaf-9322e2da52e4/bin/uautomizer/witness.graphml [2019-11-19 22:00:52,686 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:00:52,688 INFO L168 Benchmark]: Toolchain (without parser) took 30048.84 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 951.5 MB in the beginning and 864.3 MB in the end (delta: 87.2 MB). Peak memory consumption was 204.1 MB. Max. memory is 11.5 GB. [2019-11-19 22:00:52,688 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:00:52,690 INFO L168 Benchmark]: CACSL2BoogieTranslator took 313.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 951.5 MB in the beginning and 1.1 GB in the end (delta: -160.3 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-11-19 22:00:52,690 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.47 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:00:52,691 INFO L168 Benchmark]: Boogie Preprocessor took 27.96 ms. Allocated memory is still 1.1 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. [2019-11-19 22:00:52,691 INFO L168 Benchmark]: RCFGBuilder took 375.56 ms. Allocated memory is still 1.1 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. [2019-11-19 22:00:52,692 INFO L168 Benchmark]: TraceAbstraction took 29175.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 869.6 MB in the end (delta: 218.5 MB). Peak memory consumption was 218.5 MB. Max. memory is 11.5 GB. [2019-11-19 22:00:52,692 INFO L168 Benchmark]: Witness Printer took 110.57 ms. Allocated memory is still 1.1 GB. Free memory was 869.6 MB in the beginning and 864.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-19 22:00:52,694 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 313.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 951.5 MB in the beginning and 1.1 GB in the end (delta: -160.3 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.47 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.96 ms. Allocated memory is still 1.1 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 375.56 ms. Allocated memory is still 1.1 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 29175.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 869.6 MB in the end (delta: 218.5 MB). Peak memory consumption was 218.5 MB. Max. memory is 11.5 GB. * Witness Printer took 110.57 ms. Allocated memory is still 1.1 GB. Free memory was 869.6 MB in the beginning and 864.3 MB 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.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 9]: Loop Invariant Derived loop invariant: (!(0 == cond) && (index1 + 4294967295) % 4294967296 < (index2 + 1) % 4294967296) && (index2 + 1) % 4294967296 < 100000 - InvariantResult [Line: 40]: Loop Invariant [2019-11-19 22:00:52,702 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-19 22:00:52,702 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-19 22:00:52,703 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-19 22:00:52,704 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((index1 + 4294967295) % 4294967296 < (index2 + 1) % 4294967296 && 1 == cond) && unknown-#memory_int-unknown[array][(index1 + 4294967295) % 4294967296 * 4 + array] % 4294967296 == unknown-#memory_int-unknown[array][array + (index2 + 1) % 4294967296 * 4] % 4294967296) && (index2 + 1) % 4294967296 < 100000) || ((!(0 == cond) && index2 % 4294967296 < 100000) && index1 % 4294967296 < index2 % 4294967296) - InvariantResult [Line: 31]: Loop Invariant [2019-11-19 22:00:52,705 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-19 22:00:52,705 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-19 22:00:52,706 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-19 22:00:52,707 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((index1 + 4294967295) % 4294967296 < (index2 + 1) % 4294967296 && 1 == cond) && unknown-#memory_int-unknown[array][(index1 + 4294967295) % 4294967296 * 4 + array] % 4294967296 == unknown-#memory_int-unknown[array][array + (index2 + 1) % 4294967296 * 4] % 4294967296) && (index2 + 1) % 4294967296 < 100000) || ((index1 % 4294967296 < 100000 && loop_entered == 0) && index2 <= 4294967296 * (index2 / 4294967296) + 99999) - InvariantResult [Line: 9]: Loop Invariant Derived loop invariant: (1 == cond && 4294967296 * (index2 / 4294967296) + index1 + 1 <= 4294967296 * (index1 / 4294967296) + index2) && index2 <= 4294967296 * (index2 / 4294967296) + 99999 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 17 locations, 2 error locations. Result: SAFE, OverallTime: 29.0s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 9.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, HoareTripleCheckerStatistics: 48 SDtfs, 58 SDslu, 59 SDs, 0 SdLazy, 73 SolverSat, 28 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 15 SyntacticMatches, 3 SemanticMatches, 30 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 19.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 16 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 11 NumberOfFragments, 195 HoareAnnotationTreeSize, 4 FomulaSimplifications, 329 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 159 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 17.7s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 42 ConstructedInterpolants, 0 QuantifiedInterpolants, 9841 SizeOfPredicates, 13 NumberOfNonLiveVariables, 96 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 2/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...