./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark44_disjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_69c8444d-727f-4bd5-a5c1-cb1e4971f2af/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_69c8444d-727f-4bd5-a5c1-cb1e4971f2af/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_69c8444d-727f-4bd5-a5c1-cb1e4971f2af/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_69c8444d-727f-4bd5-a5c1-cb1e4971f2af/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark44_disjunctive.i -s /tmp/vcloud-vcloud-master/worker/run_dir_69c8444d-727f-4bd5-a5c1-cb1e4971f2af/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_69c8444d-727f-4bd5-a5c1-cb1e4971f2af/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 836105bf2d2cb5db07e9d2fc670fa9e989ff3845 ................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:01:46,297 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:01:46,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:01:46,343 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:01:46,347 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:01:46,369 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:01:46,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:01:46,372 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:01:46,374 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:01:46,375 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:01:46,376 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:01:46,378 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:01:46,378 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:01:46,379 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:01:46,380 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:01:46,382 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:01:46,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:01:46,384 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:01:46,386 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:01:46,388 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:01:46,390 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:01:46,391 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:01:46,392 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:01:46,393 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:01:46,396 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:01:46,396 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:01:46,397 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:01:46,398 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:01:46,398 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:01:46,399 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:01:46,400 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:01:46,400 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:01:46,401 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:01:46,402 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:01:46,403 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:01:46,404 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:01:46,404 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:01:46,405 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:01:46,405 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:01:46,406 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:01:46,407 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:01:46,412 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_69c8444d-727f-4bd5-a5c1-cb1e4971f2af/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf [2020-11-22 13:01:46,444 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:01:46,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:01:46,445 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:01:46,446 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:01:46,446 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:01:46,446 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:01:46,446 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:01:46,447 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:01:46,447 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:01:46,447 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:01:46,447 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:01:46,447 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:01:46,448 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:01:46,448 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:01:46,448 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:01:46,449 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:01:46,449 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:01:46,449 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-22 13:01:46,450 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:01:46,450 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:01:46,450 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:01:46,450 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:01:46,451 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:01:46,451 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:01:46,451 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-22 13:01:46,451 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:01:46,451 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:01:46,452 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:01:46,452 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:01:46,452 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:01:46,452 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:01:46,453 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:01:46,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:01:46,453 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:01:46,453 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:01:46,454 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:01:46,454 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:01:46,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:01:46,454 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:01:46,455 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:01:46,455 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:01:46,455 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_69c8444d-727f-4bd5-a5c1-cb1e4971f2af/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_69c8444d-727f-4bd5-a5c1-cb1e4971f2af/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 836105bf2d2cb5db07e9d2fc670fa9e989ff3845 [2020-11-22 13:01:46,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:01:46,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:01:46,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:01:46,710 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:01:46,711 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:01:46,712 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_69c8444d-727f-4bd5-a5c1-cb1e4971f2af/bin/utaipan/../../sv-benchmarks/c/loop-zilu/benchmark44_disjunctive.i [2020-11-22 13:01:46,765 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_69c8444d-727f-4bd5-a5c1-cb1e4971f2af/bin/utaipan/data/d2d87d642/27d7555eddbd40e0a81485acbfbc321d/FLAGc6fcd5516 [2020-11-22 13:01:47,185 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:01:47,186 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_69c8444d-727f-4bd5-a5c1-cb1e4971f2af/sv-benchmarks/c/loop-zilu/benchmark44_disjunctive.i [2020-11-22 13:01:47,191 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_69c8444d-727f-4bd5-a5c1-cb1e4971f2af/bin/utaipan/data/d2d87d642/27d7555eddbd40e0a81485acbfbc321d/FLAGc6fcd5516 [2020-11-22 13:01:47,598 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_69c8444d-727f-4bd5-a5c1-cb1e4971f2af/bin/utaipan/data/d2d87d642/27d7555eddbd40e0a81485acbfbc321d [2020-11-22 13:01:47,601 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:01:47,602 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:01:47,612 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:01:47,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:01:47,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:01:47,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:01:47" (1/1) ... [2020-11-22 13:01:47,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3744daed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:47, skipping insertion in model container [2020-11-22 13:01:47,617 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:01:47" (1/1) ... [2020-11-22 13:01:47,624 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:01:47,639 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:01:47,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:01:47,809 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:01:47,825 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:01:47,838 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:01:47,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:47 WrapperNode [2020-11-22 13:01:47,839 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:01:47,840 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:01:47,840 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:01:47,841 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:01:47,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:47" (1/1) ... [2020-11-22 13:01:47,870 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:47" (1/1) ... [2020-11-22 13:01:47,900 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:01:47,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:01:47,901 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:01:47,902 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:01:47,916 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:47" (1/1) ... [2020-11-22 13:01:47,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:47" (1/1) ... [2020-11-22 13:01:47,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:47" (1/1) ... [2020-11-22 13:01:47,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:47" (1/1) ... [2020-11-22 13:01:47,933 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:47" (1/1) ... [2020-11-22 13:01:47,941 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:47" (1/1) ... [2020-11-22 13:01:47,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:47" (1/1) ... [2020-11-22 13:01:47,951 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:01:47,952 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:01:47,952 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:01:47,952 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:01:47,953 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69c8444d-727f-4bd5-a5c1-cb1e4971f2af/bin/utaipan/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 [2020-11-22 13:01:48,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-22 13:01:48,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:01:48,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:01:48,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:01:48,453 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:01:48,453 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-22 13:01:48,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:01:48 BoogieIcfgContainer [2020-11-22 13:01:48,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:01:48,457 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:01:48,458 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:01:48,461 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:01:48,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:01:47" (1/3) ... [2020-11-22 13:01:48,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2196121e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:01:48, skipping insertion in model container [2020-11-22 13:01:48,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:47" (2/3) ... [2020-11-22 13:01:48,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2196121e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:01:48, skipping insertion in model container [2020-11-22 13:01:48,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:01:48" (3/3) ... [2020-11-22 13:01:48,464 INFO L111 eAbstractionObserver]: Analyzing ICFG benchmark44_disjunctive.i [2020-11-22 13:01:48,481 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:01:48,485 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 14 error locations. [2020-11-22 13:01:48,494 INFO L253 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2020-11-22 13:01:48,516 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:01:48,516 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:01:48,517 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:01:48,517 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:01:48,517 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:01:48,517 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:01:48,517 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:01:48,517 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:01:48,533 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2020-11-22 13:01:48,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-22 13:01:48,537 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:01:48,538 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-22 13:01:48,538 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-22 13:01:48,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:01:48,544 INFO L82 PathProgramCache]: Analyzing trace with hash 106429437, now seen corresponding path program 1 times [2020-11-22 13:01:48,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:01:48,554 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451134924] [2020-11-22 13:01:48,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:01:48,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:01:48,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:01:48,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451134924] [2020-11-22 13:01:48,701 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:01:48,701 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-22 13:01:48,702 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166515908] [2020-11-22 13:01:48,705 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 13:01:48,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 13:01:48,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 13:01:48,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:01:48,725 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 3 states. [2020-11-22 13:01:48,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:01:48,828 INFO L93 Difference]: Finished difference Result 37 states and 41 transitions. [2020-11-22 13:01:48,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:01:48,831 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-11-22 13:01:48,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:01:48,842 INFO L225 Difference]: With dead ends: 37 [2020-11-22 13:01:48,843 INFO L226 Difference]: Without dead ends: 32 [2020-11-22 13:01:48,851 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:01:48,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-11-22 13:01:48,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2020-11-22 13:01:48,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-11-22 13:01:48,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 34 transitions. [2020-11-22 13:01:48,892 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 34 transitions. Word has length 5 [2020-11-22 13:01:48,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:01:48,893 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 34 transitions. [2020-11-22 13:01:48,893 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 13:01:48,893 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2020-11-22 13:01:48,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-22 13:01:48,894 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:01:48,894 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-22 13:01:48,894 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-22 13:01:48,895 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-22 13:01:48,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:01:48,898 INFO L82 PathProgramCache]: Analyzing trace with hash 106498948, now seen corresponding path program 1 times [2020-11-22 13:01:48,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:01:48,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120198732] [2020-11-22 13:01:48,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:01:48,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:01:48,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:01:48,950 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120198732] [2020-11-22 13:01:48,950 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:01:48,950 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-22 13:01:48,951 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693091139] [2020-11-22 13:01:48,952 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 13:01:48,952 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 13:01:48,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 13:01:48,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:01:48,953 INFO L87 Difference]: Start difference. First operand 32 states and 34 transitions. Second operand 3 states. [2020-11-22 13:01:49,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:01:49,057 INFO L93 Difference]: Finished difference Result 43 states and 46 transitions. [2020-11-22 13:01:49,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:01:49,058 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-11-22 13:01:49,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:01:49,059 INFO L225 Difference]: With dead ends: 43 [2020-11-22 13:01:49,059 INFO L226 Difference]: Without dead ends: 38 [2020-11-22 13:01:49,060 INFO L677 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 [2020-11-22 13:01:49,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-11-22 13:01:49,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 33. [2020-11-22 13:01:49,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-11-22 13:01:49,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 35 transitions. [2020-11-22 13:01:49,066 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 35 transitions. Word has length 5 [2020-11-22 13:01:49,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:01:49,066 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 35 transitions. [2020-11-22 13:01:49,066 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 13:01:49,066 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2020-11-22 13:01:49,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-22 13:01:49,067 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:01:49,067 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-22 13:01:49,067 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-22 13:01:49,068 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-22 13:01:49,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:01:49,068 INFO L82 PathProgramCache]: Analyzing trace with hash -995654696, now seen corresponding path program 1 times [2020-11-22 13:01:49,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:01:49,069 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517935152] [2020-11-22 13:01:49,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:01:49,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:01:49,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:01:49,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517935152] [2020-11-22 13:01:49,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:01:49,096 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-22 13:01:49,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363004821] [2020-11-22 13:01:49,097 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 13:01:49,097 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 13:01:49,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 13:01:49,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:01:49,098 INFO L87 Difference]: Start difference. First operand 33 states and 35 transitions. Second operand 3 states. [2020-11-22 13:01:49,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:01:49,144 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2020-11-22 13:01:49,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:01:49,146 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-11-22 13:01:49,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:01:49,147 INFO L225 Difference]: With dead ends: 33 [2020-11-22 13:01:49,147 INFO L226 Difference]: Without dead ends: 30 [2020-11-22 13:01:49,148 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:01:49,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-11-22 13:01:49,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-11-22 13:01:49,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-11-22 13:01:49,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2020-11-22 13:01:49,154 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 6 [2020-11-22 13:01:49,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:01:49,155 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2020-11-22 13:01:49,155 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 13:01:49,155 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2020-11-22 13:01:49,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-22 13:01:49,155 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:01:49,156 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-22 13:01:49,156 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-22 13:01:49,156 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-22 13:01:49,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:01:49,157 INFO L82 PathProgramCache]: Analyzing trace with hash -995644382, now seen corresponding path program 1 times [2020-11-22 13:01:49,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:01:49,158 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192880462] [2020-11-22 13:01:49,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:01:49,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 13:01:49,190 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 13:01:49,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 13:01:49,207 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 13:01:49,234 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-11-22 13:01:49,235 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-22 13:01:49,235 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-22 13:01:49,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:01:49 BoogieIcfgContainer [2020-11-22 13:01:49,254 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:01:49,255 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:01:49,255 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:01:49,255 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:01:49,256 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:01:48" (3/4) ... [2020-11-22 13:01:49,257 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-22 13:01:49,290 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_69c8444d-727f-4bd5-a5c1-cb1e4971f2af/bin/utaipan/witness.graphml [2020-11-22 13:01:49,290 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:01:49,292 INFO L168 Benchmark]: Toolchain (without parser) took 1689.08 ms. Allocated memory is still 153.1 MB. Free memory was 120.9 MB in the beginning and 111.9 MB in the end (delta: 9.0 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:01:49,293 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 83.9 MB. Free memory was 42.0 MB in the beginning and 41.9 MB in the end (delta: 71.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:01:49,293 INFO L168 Benchmark]: CACSL2BoogieTranslator took 227.09 ms. Allocated memory is still 153.1 MB. Free memory was 120.5 MB in the beginning and 127.6 MB in the end (delta: -7.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:01:49,294 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.65 ms. Allocated memory is still 153.1 MB. Free memory was 127.6 MB in the beginning and 126.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:01:49,295 INFO L168 Benchmark]: Boogie Preprocessor took 50.27 ms. Allocated memory is still 153.1 MB. Free memory was 126.1 MB in the beginning and 125.1 MB in the end (delta: 968.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:01:49,295 INFO L168 Benchmark]: RCFGBuilder took 503.90 ms. Allocated memory is still 153.1 MB. Free memory was 125.1 MB in the beginning and 105.7 MB in the end (delta: 19.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-11-22 13:01:49,296 INFO L168 Benchmark]: TraceAbstraction took 797.18 ms. Allocated memory is still 153.1 MB. Free memory was 105.6 MB in the beginning and 113.2 MB in the end (delta: -7.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:01:49,296 INFO L168 Benchmark]: Witness Printer took 35.52 ms. Allocated memory is still 153.1 MB. Free memory was 113.2 MB in the beginning and 111.9 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:01:49,301 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 83.9 MB. Free memory was 42.0 MB in the beginning and 41.9 MB in the end (delta: 71.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 227.09 ms. Allocated memory is still 153.1 MB. Free memory was 120.5 MB in the beginning and 127.6 MB in the end (delta: -7.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 59.65 ms. Allocated memory is still 153.1 MB. Free memory was 127.6 MB in the beginning and 126.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 50.27 ms. Allocated memory is still 153.1 MB. Free memory was 126.1 MB in the beginning and 125.1 MB in the end (delta: 968.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 503.90 ms. Allocated memory is still 153.1 MB. Free memory was 125.1 MB in the beginning and 105.7 MB in the end (delta: 19.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 797.18 ms. Allocated memory is still 153.1 MB. Free memory was 105.6 MB in the beginning and 113.2 MB in the end (delta: -7.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 35.52 ms. Allocated memory is still 153.1 MB. Free memory was 113.2 MB in the beginning and 111.9 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 30]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int x = __VERIFIER_nondet_int(); [L21] int y = __VERIFIER_nondet_int(); [L22] COND FALSE !(!(x=0)) [L30] x+10 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 37 locations, 14 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.7s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 69 SDtfs, 39 SDslu, 20 SDs, 0 SdLazy, 72 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred 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, 3 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 181 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...