./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 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_cea7d2bf-65aa-48ad-a35d-b56d16ff4fbc/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_cea7d2bf-65aa-48ad-a35d-b56d16ff4fbc/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cea7d2bf-65aa-48ad-a35d-b56d16ff4fbc/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cea7d2bf-65aa-48ad-a35d-b56d16ff4fbc/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark44_disjunctive.i -s /tmp/vcloud-vcloud-master/worker/run_dir_cea7d2bf-65aa-48ad-a35d-b56d16ff4fbc/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cea7d2bf-65aa-48ad-a35d-b56d16ff4fbc/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 0.2.0-7b2dab5 [2020-12-03 12:40:55,887 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 12:40:55,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 12:40:55,974 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-03 12:40:55,975 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-03 12:40:55,979 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-03 12:40:55,982 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-03 12:40:55,986 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-03 12:40:55,989 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-03 12:40:55,994 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-03 12:40:55,995 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-03 12:40:55,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-03 12:40:55,998 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 12:40:56,001 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 12:40:56,002 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 12:40:56,004 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 12:40:56,005 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 12:40:56,009 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 12:40:56,012 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 12:40:56,019 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 12:40:56,021 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 12:40:56,023 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 12:40:56,025 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 12:40:56,026 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 12:40:56,034 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-03 12:40:56,035 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-03 12:40:56,035 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-03 12:40:56,036 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-03 12:40:56,037 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-03 12:40:56,038 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-03 12:40:56,039 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 12:40:56,040 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 12:40:56,041 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 12:40:56,042 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 12:40:56,043 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 12:40:56,044 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 12:40:56,044 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 12:40:56,045 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 12:40:56,045 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 12:40:56,046 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 12:40:56,047 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 12:40:56,048 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cea7d2bf-65aa-48ad-a35d-b56d16ff4fbc/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf [2020-12-03 12:40:56,073 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 12:40:56,073 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 12:40:56,074 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-03 12:40:56,074 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-03 12:40:56,075 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-03 12:40:56,075 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-03 12:40:56,075 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-03 12:40:56,075 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-03 12:40:56,075 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-03 12:40:56,075 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-03 12:40:56,076 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-03 12:40:56,076 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-03 12:40:56,076 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-03 12:40:56,076 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-03 12:40:56,076 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-03 12:40:56,077 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 12:40:56,077 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-03 12:40:56,078 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-03 12:40:56,078 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-03 12:40:56,078 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-03 12:40:56,078 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 12:40:56,078 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-03 12:40:56,078 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 12:40:56,079 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-03 12:40:56,079 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-12-03 12:40:56,079 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-03 12:40:56,079 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-03 12:40:56,079 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 12:40:56,080 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-03 12:40:56,080 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 12:40:56,080 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-03 12:40:56,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-03 12:40:56,080 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 12:40:56,081 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 12:40:56,081 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-03 12:40:56,081 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-03 12:40:56,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-03 12:40:56,081 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-03 12:40:56,081 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-03 12:40:56,082 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-03 12:40:56,082 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_cea7d2bf-65aa-48ad-a35d-b56d16ff4fbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_cea7d2bf-65aa-48ad-a35d-b56d16ff4fbc/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 836105bf2d2cb5db07e9d2fc670fa9e989ff3845 [2020-12-03 12:40:56,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 12:40:56,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 12:40:56,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 12:40:56,361 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 12:40:56,362 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 12:40:56,363 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cea7d2bf-65aa-48ad-a35d-b56d16ff4fbc/bin/utaipan/../../sv-benchmarks/c/loop-zilu/benchmark44_disjunctive.i [2020-12-03 12:40:56,438 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cea7d2bf-65aa-48ad-a35d-b56d16ff4fbc/bin/utaipan/data/1f7627098/60fbb1814b714fe3a777b1cad0abf04c/FLAG3d29bb2de [2020-12-03 12:40:56,988 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 12:40:56,988 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cea7d2bf-65aa-48ad-a35d-b56d16ff4fbc/sv-benchmarks/c/loop-zilu/benchmark44_disjunctive.i [2020-12-03 12:40:56,995 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cea7d2bf-65aa-48ad-a35d-b56d16ff4fbc/bin/utaipan/data/1f7627098/60fbb1814b714fe3a777b1cad0abf04c/FLAG3d29bb2de [2020-12-03 12:40:57,374 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cea7d2bf-65aa-48ad-a35d-b56d16ff4fbc/bin/utaipan/data/1f7627098/60fbb1814b714fe3a777b1cad0abf04c [2020-12-03 12:40:57,376 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 12:40:57,378 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 12:40:57,380 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 12:40:57,380 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 12:40:57,384 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 12:40:57,386 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:40:57" (1/1) ... [2020-12-03 12:40:57,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fe44760 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:57, skipping insertion in model container [2020-12-03 12:40:57,394 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:40:57" (1/1) ... [2020-12-03 12:40:57,402 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 12:40:57,421 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 12:40:57,602 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_cea7d2bf-65aa-48ad-a35d-b56d16ff4fbc/sv-benchmarks/c/loop-zilu/benchmark44_disjunctive.i[873,886] [2020-12-03 12:40:57,617 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 12:40:57,628 INFO L203 MainTranslator]: Completed pre-run [2020-12-03 12:40:57,641 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_cea7d2bf-65aa-48ad-a35d-b56d16ff4fbc/sv-benchmarks/c/loop-zilu/benchmark44_disjunctive.i[873,886] [2020-12-03 12:40:57,645 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 12:40:57,660 INFO L208 MainTranslator]: Completed translation [2020-12-03 12:40:57,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:57 WrapperNode [2020-12-03 12:40:57,661 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-03 12:40:57,662 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-03 12:40:57,662 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-03 12:40:57,662 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-03 12:40:57,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:57" (1/1) ... [2020-12-03 12:40:57,677 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:57" (1/1) ... [2020-12-03 12:40:57,696 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-03 12:40:57,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-03 12:40:57,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-03 12:40:57,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-03 12:40:57,705 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:57" (1/1) ... [2020-12-03 12:40:57,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:57" (1/1) ... [2020-12-03 12:40:57,707 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:57" (1/1) ... [2020-12-03 12:40:57,707 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:57" (1/1) ... [2020-12-03 12:40:57,710 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:57" (1/1) ... [2020-12-03 12:40:57,714 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:57" (1/1) ... [2020-12-03 12:40:57,715 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:57" (1/1) ... [2020-12-03 12:40:57,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-03 12:40:57,717 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-03 12:40:57,718 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-03 12:40:57,718 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-03 12:40:57,719 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cea7d2bf-65aa-48ad-a35d-b56d16ff4fbc/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 [2020-12-03 12:40:57,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-03 12:40:57,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-03 12:40:57,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-03 12:40:57,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-03 12:40:58,100 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-03 12:40:58,104 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-03 12:40:58,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:40:58 BoogieIcfgContainer [2020-12-03 12:40:58,118 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-03 12:40:58,120 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-03 12:40:58,120 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-03 12:40:58,137 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-03 12:40:58,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 12:40:57" (1/3) ... [2020-12-03 12:40:58,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52520297 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 12:40:58, skipping insertion in model container [2020-12-03 12:40:58,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:57" (2/3) ... [2020-12-03 12:40:58,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52520297 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 12:40:58, skipping insertion in model container [2020-12-03 12:40:58,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:40:58" (3/3) ... [2020-12-03 12:40:58,140 INFO L111 eAbstractionObserver]: Analyzing ICFG benchmark44_disjunctive.i [2020-12-03 12:40:58,159 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-03 12:40:58,172 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 14 error locations. [2020-12-03 12:40:58,190 INFO L253 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2020-12-03 12:40:58,230 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-03 12:40:58,230 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-03 12:40:58,230 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-03 12:40:58,230 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-03 12:40:58,230 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-03 12:40:58,231 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-03 12:40:58,231 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-03 12:40:58,231 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-03 12:40:58,251 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2020-12-03 12:40:58,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-03 12:40:58,267 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 12:40:58,267 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-03 12:40:58,268 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]=== [2020-12-03 12:40:58,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 12:40:58,274 INFO L82 PathProgramCache]: Analyzing trace with hash 100888311, now seen corresponding path program 1 times [2020-12-03 12:40:58,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-03 12:40:58,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25696789] [2020-12-03 12:40:58,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-03 12:40:58,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 12:40:58,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 12:40:58,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25696789] [2020-12-03 12:40:58,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 12:40:58,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-03 12:40:58,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358424847] [2020-12-03 12:40:58,425 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-03 12:40:58,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-03 12:40:58,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-03 12:40:58,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-03 12:40:58,441 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 3 states. [2020-12-03 12:40:58,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 12:40:58,522 INFO L93 Difference]: Finished difference Result 37 states and 41 transitions. [2020-12-03 12:40:58,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-03 12:40:58,523 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-12-03 12:40:58,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 12:40:58,532 INFO L225 Difference]: With dead ends: 37 [2020-12-03 12:40:58,541 INFO L226 Difference]: Without dead ends: 32 [2020-12-03 12:40:58,544 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 [2020-12-03 12:40:58,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-12-03 12:40:58,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2020-12-03 12:40:58,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-12-03 12:40:58,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 34 transitions. [2020-12-03 12:40:58,593 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 34 transitions. Word has length 5 [2020-12-03 12:40:58,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 12:40:58,594 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 34 transitions. [2020-12-03 12:40:58,595 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-03 12:40:58,595 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2020-12-03 12:40:58,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-03 12:40:58,596 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 12:40:58,596 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-03 12:40:58,598 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-03 12:40:58,598 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]=== [2020-12-03 12:40:58,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 12:40:58,599 INFO L82 PathProgramCache]: Analyzing trace with hash 100954939, now seen corresponding path program 1 times [2020-12-03 12:40:58,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-03 12:40:58,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935460225] [2020-12-03 12:40:58,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-03 12:40:58,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 12:40:58,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 12:40:58,649 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935460225] [2020-12-03 12:40:58,650 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 12:40:58,650 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-03 12:40:58,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360295795] [2020-12-03 12:40:58,652 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-03 12:40:58,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-03 12:40:58,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-03 12:40:58,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-03 12:40:58,655 INFO L87 Difference]: Start difference. First operand 32 states and 34 transitions. Second operand 3 states. [2020-12-03 12:40:58,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 12:40:58,725 INFO L93 Difference]: Finished difference Result 43 states and 46 transitions. [2020-12-03 12:40:58,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-03 12:40:58,725 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-12-03 12:40:58,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 12:40:58,726 INFO L225 Difference]: With dead ends: 43 [2020-12-03 12:40:58,726 INFO L226 Difference]: Without dead ends: 38 [2020-12-03 12:40:58,727 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 [2020-12-03 12:40:58,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-12-03 12:40:58,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 33. [2020-12-03 12:40:58,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-12-03 12:40:58,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 35 transitions. [2020-12-03 12:40:58,739 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 35 transitions. Word has length 5 [2020-12-03 12:40:58,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 12:40:58,739 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 35 transitions. [2020-12-03 12:40:58,740 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-03 12:40:58,740 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2020-12-03 12:40:58,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-03 12:40:58,740 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 12:40:58,740 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-12-03 12:40:58,741 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-03 12:40:58,741 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]=== [2020-12-03 12:40:58,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 12:40:58,745 INFO L82 PathProgramCache]: Analyzing trace with hash -1167429602, now seen corresponding path program 1 times [2020-12-03 12:40:58,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-03 12:40:58,747 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22707610] [2020-12-03 12:40:58,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-03 12:40:58,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 12:40:58,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 12:40:58,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22707610] [2020-12-03 12:40:58,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 12:40:58,809 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-12-03 12:40:58,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140079620] [2020-12-03 12:40:58,811 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-03 12:40:58,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-03 12:40:58,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-03 12:40:58,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-03 12:40:58,816 INFO L87 Difference]: Start difference. First operand 33 states and 35 transitions. Second operand 3 states. [2020-12-03 12:40:58,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 12:40:58,865 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2020-12-03 12:40:58,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-03 12:40:58,868 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-12-03 12:40:58,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 12:40:58,869 INFO L225 Difference]: With dead ends: 33 [2020-12-03 12:40:58,869 INFO L226 Difference]: Without dead ends: 30 [2020-12-03 12:40:58,870 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 [2020-12-03 12:40:58,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-12-03 12:40:58,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-12-03 12:40:58,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-12-03 12:40:58,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2020-12-03 12:40:58,881 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 6 [2020-12-03 12:40:58,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 12:40:58,882 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2020-12-03 12:40:58,882 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-03 12:40:58,882 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2020-12-03 12:40:58,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-03 12:40:58,883 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 12:40:58,883 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-12-03 12:40:58,883 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-03 12:40:58,884 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]=== [2020-12-03 12:40:58,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 12:40:58,886 INFO L82 PathProgramCache]: Analyzing trace with hash -1167419288, now seen corresponding path program 1 times [2020-12-03 12:40:58,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-03 12:40:58,886 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180466315] [2020-12-03 12:40:58,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-03 12:40:58,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-03 12:40:58,912 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-03 12:40:58,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-03 12:40:58,940 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-03 12:40:58,959 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-12-03 12:40:58,960 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-03 12:40:58,960 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-03 12:40:58,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 12:40:58 BoogieIcfgContainer [2020-12-03 12:40:58,980 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-03 12:40:58,981 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-03 12:40:58,981 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-03 12:40:58,981 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-03 12:40:58,982 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:40:58" (3/4) ... [2020-12-03 12:40:58,984 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-03 12:40:59,017 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_cea7d2bf-65aa-48ad-a35d-b56d16ff4fbc/bin/utaipan/witness.graphml [2020-12-03 12:40:59,018 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-03 12:40:59,020 INFO L168 Benchmark]: Toolchain (without parser) took 1641.08 ms. Allocated memory is still 100.7 MB. Free memory was 67.1 MB in the beginning and 51.3 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. [2020-12-03 12:40:59,020 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 100.7 MB. Free memory was 72.6 MB in the beginning and 72.6 MB in the end (delta: 25.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 12:40:59,021 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.05 ms. Allocated memory is still 100.7 MB. Free memory was 67.1 MB in the beginning and 78.0 MB in the end (delta: -10.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-03 12:40:59,022 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.87 ms. Allocated memory is still 100.7 MB. Free memory was 78.0 MB in the beginning and 76.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-03 12:40:59,022 INFO L168 Benchmark]: Boogie Preprocessor took 20.41 ms. Allocated memory is still 100.7 MB. Free memory was 76.5 MB in the beginning and 75.4 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 12:40:59,023 INFO L168 Benchmark]: RCFGBuilder took 400.89 ms. Allocated memory is still 100.7 MB. Free memory was 75.4 MB in the beginning and 56.9 MB in the end (delta: 18.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-12-03 12:40:59,024 INFO L168 Benchmark]: TraceAbstraction took 860.46 ms. Allocated memory is still 100.7 MB. Free memory was 56.4 MB in the beginning and 53.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-03 12:40:59,024 INFO L168 Benchmark]: Witness Printer took 36.93 ms. Allocated memory is still 100.7 MB. Free memory was 53.3 MB in the beginning and 51.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-03 12:40:59,028 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 100.7 MB. Free memory was 72.6 MB in the beginning and 72.6 MB in the end (delta: 25.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 281.05 ms. Allocated memory is still 100.7 MB. Free memory was 67.1 MB in the beginning and 78.0 MB in the end (delta: -10.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 33.87 ms. Allocated memory is still 100.7 MB. Free memory was 78.0 MB in the beginning and 76.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 20.41 ms. Allocated memory is still 100.7 MB. Free memory was 76.5 MB in the beginning and 75.4 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 400.89 ms. Allocated memory is still 100.7 MB. Free memory was 75.4 MB in the beginning and 56.9 MB in the end (delta: 18.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 860.46 ms. Allocated memory is still 100.7 MB. Free memory was 56.4 MB in the beginning and 53.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Witness Printer took 36.93 ms. Allocated memory is still 100.7 MB. Free memory was 53.3 MB in the beginning and 51.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. 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: 0.2s, 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, 0.1s 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...