./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex_false-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f99c60d4-f2e6-41d3-bdf3-2db7e83f2dec/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f99c60d4-f2e6-41d3-bdf3-2db7e83f2dec/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f99c60d4-f2e6-41d3-bdf3-2db7e83f2dec/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f99c60d4-f2e6-41d3-bdf3-2db7e83f2dec/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex_false-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f99c60d4-f2e6-41d3-bdf3-2db7e83f2dec/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f99c60d4-f2e6-41d3-bdf3-2db7e83f2dec/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9f16087843ad8a83da47d6a6a4e9d674fa79150d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.23-635dfa2 [2018-12-03 01:19:23,067 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 01:19:23,068 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 01:19:23,074 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 01:19:23,074 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 01:19:23,074 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 01:19:23,075 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 01:19:23,076 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 01:19:23,077 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 01:19:23,077 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 01:19:23,078 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 01:19:23,078 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 01:19:23,078 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 01:19:23,079 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 01:19:23,079 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 01:19:23,080 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 01:19:23,080 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 01:19:23,081 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 01:19:23,082 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 01:19:23,083 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 01:19:23,083 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 01:19:23,084 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 01:19:23,085 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 01:19:23,085 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 01:19:23,085 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 01:19:23,086 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 01:19:23,086 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 01:19:23,087 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 01:19:23,087 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 01:19:23,087 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 01:19:23,088 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 01:19:23,088 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 01:19:23,088 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 01:19:23,088 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 01:19:23,089 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 01:19:23,089 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 01:19:23,089 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f99c60d4-f2e6-41d3-bdf3-2db7e83f2dec/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2018-12-03 01:19:23,096 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 01:19:23,096 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 01:19:23,097 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 01:19:23,097 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 01:19:23,097 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-03 01:19:23,097 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-03 01:19:23,097 INFO L133 SettingsManager]: * Use SBE=true [2018-12-03 01:19:23,097 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 01:19:23,097 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-03 01:19:23,097 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 01:19:23,097 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 01:19:23,098 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 01:19:23,098 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 01:19:23,098 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 01:19:23,098 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-12-03 01:19:23,098 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 01:19:23,098 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-03 01:19:23,098 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 01:19:23,098 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 01:19:23,098 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 01:19:23,098 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 01:19:23,098 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 01:19:23,098 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 01:19:23,099 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 01:19:23,099 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 01:19:23,099 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 01:19:23,099 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-03 01:19:23,099 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 01:19:23,099 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 01:19:23,099 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_f99c60d4-f2e6-41d3-bdf3-2db7e83f2dec/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f16087843ad8a83da47d6a6a4e9d674fa79150d [2018-12-03 01:19:23,117 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 01:19:23,126 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 01:19:23,129 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 01:19:23,130 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 01:19:23,130 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 01:19:23,131 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f99c60d4-f2e6-41d3-bdf3-2db7e83f2dec/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex_false-no-overflow.c [2018-12-03 01:19:23,176 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f99c60d4-f2e6-41d3-bdf3-2db7e83f2dec/bin-2019/uautomizer/data/55109bbfe/ec15e8c148ff46a6bad559a3596ec09c/FLAGfa9ac8e46 [2018-12-03 01:19:23,599 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 01:19:23,599 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f99c60d4-f2e6-41d3-bdf3-2db7e83f2dec/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex_false-no-overflow.c [2018-12-03 01:19:23,603 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f99c60d4-f2e6-41d3-bdf3-2db7e83f2dec/bin-2019/uautomizer/data/55109bbfe/ec15e8c148ff46a6bad559a3596ec09c/FLAGfa9ac8e46 [2018-12-03 01:19:23,611 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f99c60d4-f2e6-41d3-bdf3-2db7e83f2dec/bin-2019/uautomizer/data/55109bbfe/ec15e8c148ff46a6bad559a3596ec09c [2018-12-03 01:19:23,613 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 01:19:23,614 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 01:19:23,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 01:19:23,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 01:19:23,616 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 01:19:23,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:19:23" (1/1) ... [2018-12-03 01:19:23,618 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5663953f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:23, skipping insertion in model container [2018-12-03 01:19:23,618 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:19:23" (1/1) ... [2018-12-03 01:19:23,622 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 01:19:23,631 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 01:19:23,717 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 01:19:23,719 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 01:19:23,728 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 01:19:23,736 INFO L195 MainTranslator]: Completed translation [2018-12-03 01:19:23,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:23 WrapperNode [2018-12-03 01:19:23,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 01:19:23,736 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 01:19:23,736 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 01:19:23,737 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 01:19:23,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:23" (1/1) ... [2018-12-03 01:19:23,746 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:23" (1/1) ... [2018-12-03 01:19:23,752 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 01:19:23,752 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 01:19:23,752 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 01:19:23,752 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 01:19:23,760 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:23" (1/1) ... [2018-12-03 01:19:23,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:23" (1/1) ... [2018-12-03 01:19:23,761 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:23" (1/1) ... [2018-12-03 01:19:23,761 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:23" (1/1) ... [2018-12-03 01:19:23,764 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:23" (1/1) ... [2018-12-03 01:19:23,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:23" (1/1) ... [2018-12-03 01:19:23,768 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:23" (1/1) ... [2018-12-03 01:19:23,768 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 01:19:23,769 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 01:19:23,769 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 01:19:23,769 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 01:19:23,769 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f99c60d4-f2e6-41d3-bdf3-2db7e83f2dec/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 01:19:23,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 01:19:23,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 01:19:23,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 01:19:23,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 01:19:23,831 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 01:19:23,831 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 01:19:23,936 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 01:19:23,937 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-03 01:19:23,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:19:23 BoogieIcfgContainer [2018-12-03 01:19:23,937 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 01:19:23,938 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 01:19:23,938 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 01:19:23,940 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 01:19:23,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 01:19:23" (1/3) ... [2018-12-03 01:19:23,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d472583 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 01:19:23, skipping insertion in model container [2018-12-03 01:19:23,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:23" (2/3) ... [2018-12-03 01:19:23,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d472583 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 01:19:23, skipping insertion in model container [2018-12-03 01:19:23,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:19:23" (3/3) ... [2018-12-03 01:19:23,942 INFO L112 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-complex_false-no-overflow.c [2018-12-03 01:19:23,948 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 01:19:23,953 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 12 error locations. [2018-12-03 01:19:23,963 INFO L257 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2018-12-03 01:19:23,981 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-03 01:19:23,981 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 01:19:23,981 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 01:19:23,981 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 01:19:23,982 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 01:19:23,982 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 01:19:23,982 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 01:19:23,982 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 01:19:23,982 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 01:19:23,993 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2018-12-03 01:19:23,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-03 01:19:23,996 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:19:23,996 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:19:23,998 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-03 01:19:24,001 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:19:24,001 INFO L82 PathProgramCache]: Analyzing trace with hash 1007359530, now seen corresponding path program 1 times [2018-12-03 01:19:24,002 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-03 01:19:24,003 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-03 01:19:24,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:19:24,038 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:19:24,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:19:24,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:19:24,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:19:24,072 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:19:24,072 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-03 01:19:24,075 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-03 01:19:24,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-03 01:19:24,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 01:19:24,084 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 2 states. [2018-12-03 01:19:24,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:19:24,096 INFO L93 Difference]: Finished difference Result 71 states and 81 transitions. [2018-12-03 01:19:24,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-03 01:19:24,097 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2018-12-03 01:19:24,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:19:24,103 INFO L225 Difference]: With dead ends: 71 [2018-12-03 01:19:24,103 INFO L226 Difference]: Without dead ends: 33 [2018-12-03 01:19:24,105 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 01:19:24,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-12-03 01:19:24,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-12-03 01:19:24,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-12-03 01:19:24,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 36 transitions. [2018-12-03 01:19:24,128 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 36 transitions. Word has length 8 [2018-12-03 01:19:24,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:19:24,128 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 36 transitions. [2018-12-03 01:19:24,129 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-03 01:19:24,129 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2018-12-03 01:19:24,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-03 01:19:24,129 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:19:24,129 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:19:24,130 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-03 01:19:24,130 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:19:24,130 INFO L82 PathProgramCache]: Analyzing trace with hash 1007358538, now seen corresponding path program 1 times [2018-12-03 01:19:24,130 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-03 01:19:24,130 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-03 01:19:24,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:19:24,131 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:19:24,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:19:24,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:19:24,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:19:24,150 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:19:24,150 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-03 01:19:24,151 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 01:19:24,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 01:19:24,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 01:19:24,151 INFO L87 Difference]: Start difference. First operand 33 states and 36 transitions. Second operand 3 states. [2018-12-03 01:19:24,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:19:24,190 INFO L93 Difference]: Finished difference Result 53 states and 62 transitions. [2018-12-03 01:19:24,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 01:19:24,190 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-12-03 01:19:24,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:19:24,192 INFO L225 Difference]: With dead ends: 53 [2018-12-03 01:19:24,192 INFO L226 Difference]: Without dead ends: 50 [2018-12-03 01:19:24,192 INFO L631 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 [2018-12-03 01:19:24,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-12-03 01:19:24,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 43. [2018-12-03 01:19:24,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-12-03 01:19:24,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 53 transitions. [2018-12-03 01:19:24,196 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 53 transitions. Word has length 8 [2018-12-03 01:19:24,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:19:24,197 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 53 transitions. [2018-12-03 01:19:24,197 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 01:19:24,197 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 53 transitions. [2018-12-03 01:19:24,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-03 01:19:24,197 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:19:24,197 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:19:24,198 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-03 01:19:24,198 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:19:24,198 INFO L82 PathProgramCache]: Analyzing trace with hash 1163343693, now seen corresponding path program 1 times [2018-12-03 01:19:24,198 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-03 01:19:24,198 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-03 01:19:24,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:19:24,199 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:19:24,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:19:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:19:24,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:19:24,212 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:19:24,212 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-03 01:19:24,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 01:19:24,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 01:19:24,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 01:19:24,212 INFO L87 Difference]: Start difference. First operand 43 states and 53 transitions. Second operand 3 states. [2018-12-03 01:19:24,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:19:24,233 INFO L93 Difference]: Finished difference Result 43 states and 53 transitions. [2018-12-03 01:19:24,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 01:19:24,233 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-12-03 01:19:24,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:19:24,234 INFO L225 Difference]: With dead ends: 43 [2018-12-03 01:19:24,234 INFO L226 Difference]: Without dead ends: 40 [2018-12-03 01:19:24,234 INFO L631 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 [2018-12-03 01:19:24,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-12-03 01:19:24,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-12-03 01:19:24,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-12-03 01:19:24,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 50 transitions. [2018-12-03 01:19:24,238 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 50 transitions. Word has length 9 [2018-12-03 01:19:24,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:19:24,238 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 50 transitions. [2018-12-03 01:19:24,238 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 01:19:24,238 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 50 transitions. [2018-12-03 01:19:24,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-03 01:19:24,238 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:19:24,239 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:19:24,239 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-03 01:19:24,239 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:19:24,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1163344655, now seen corresponding path program 1 times [2018-12-03 01:19:24,239 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-03 01:19:24,239 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-03 01:19:24,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:19:24,240 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:19:24,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:19:24,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:19:24,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:19:24,255 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:19:24,255 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 01:19:24,255 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-03 01:19:24,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-03 01:19:24,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-03 01:19:24,256 INFO L87 Difference]: Start difference. First operand 40 states and 50 transitions. Second operand 4 states. [2018-12-03 01:19:24,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:19:24,334 INFO L93 Difference]: Finished difference Result 59 states and 72 transitions. [2018-12-03 01:19:24,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-03 01:19:24,334 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-12-03 01:19:24,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:19:24,335 INFO L225 Difference]: With dead ends: 59 [2018-12-03 01:19:24,335 INFO L226 Difference]: Without dead ends: 55 [2018-12-03 01:19:24,335 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-03 01:19:24,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-12-03 01:19:24,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 48. [2018-12-03 01:19:24,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-12-03 01:19:24,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 60 transitions. [2018-12-03 01:19:24,340 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 60 transitions. Word has length 9 [2018-12-03 01:19:24,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:19:24,340 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 60 transitions. [2018-12-03 01:19:24,340 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-03 01:19:24,340 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 60 transitions. [2018-12-03 01:19:24,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-03 01:19:24,340 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:19:24,341 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:19:24,341 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-03 01:19:24,341 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:19:24,341 INFO L82 PathProgramCache]: Analyzing trace with hash 1703916204, now seen corresponding path program 1 times [2018-12-03 01:19:24,341 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-03 01:19:24,341 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-03 01:19:24,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:19:24,342 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:19:24,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:19:24,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:19:24,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:19:24,353 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:19:24,353 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-03 01:19:24,353 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 01:19:24,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 01:19:24,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 01:19:24,354 INFO L87 Difference]: Start difference. First operand 48 states and 60 transitions. Second operand 3 states. [2018-12-03 01:19:24,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:19:24,385 INFO L93 Difference]: Finished difference Result 57 states and 72 transitions. [2018-12-03 01:19:24,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 01:19:24,386 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-12-03 01:19:24,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:19:24,386 INFO L225 Difference]: With dead ends: 57 [2018-12-03 01:19:24,386 INFO L226 Difference]: Without dead ends: 56 [2018-12-03 01:19:24,386 INFO L631 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 [2018-12-03 01:19:24,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-12-03 01:19:24,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 48. [2018-12-03 01:19:24,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-12-03 01:19:24,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 60 transitions. [2018-12-03 01:19:24,390 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 60 transitions. Word has length 10 [2018-12-03 01:19:24,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:19:24,390 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 60 transitions. [2018-12-03 01:19:24,390 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 01:19:24,390 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 60 transitions. [2018-12-03 01:19:24,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-03 01:19:24,390 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:19:24,390 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:19:24,391 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-03 01:19:24,391 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:19:24,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1703945996, now seen corresponding path program 1 times [2018-12-03 01:19:24,391 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-03 01:19:24,391 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-03 01:19:24,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:19:24,392 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:19:24,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:19:24,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:19:24,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:19:24,400 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:19:24,400 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-03 01:19:24,401 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 01:19:24,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 01:19:24,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 01:19:24,401 INFO L87 Difference]: Start difference. First operand 48 states and 60 transitions. Second operand 3 states. [2018-12-03 01:19:24,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:19:24,421 INFO L93 Difference]: Finished difference Result 107 states and 139 transitions. [2018-12-03 01:19:24,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 01:19:24,422 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-12-03 01:19:24,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:19:24,422 INFO L225 Difference]: With dead ends: 107 [2018-12-03 01:19:24,422 INFO L226 Difference]: Without dead ends: 64 [2018-12-03 01:19:24,423 INFO L631 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 [2018-12-03 01:19:24,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-12-03 01:19:24,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 62. [2018-12-03 01:19:24,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-12-03 01:19:24,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 78 transitions. [2018-12-03 01:19:24,426 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 78 transitions. Word has length 10 [2018-12-03 01:19:24,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:19:24,427 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 78 transitions. [2018-12-03 01:19:24,427 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 01:19:24,427 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 78 transitions. [2018-12-03 01:19:24,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-03 01:19:24,427 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:19:24,427 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:19:24,427 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-03 01:19:24,427 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:19:24,428 INFO L82 PathProgramCache]: Analyzing trace with hash 1703951954, now seen corresponding path program 1 times [2018-12-03 01:19:24,428 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-03 01:19:24,428 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-03 01:19:24,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:19:24,428 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:19:24,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:19:24,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:19:24,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:19:24,437 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:19:24,437 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-03 01:19:24,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 01:19:24,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 01:19:24,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 01:19:24,438 INFO L87 Difference]: Start difference. First operand 62 states and 78 transitions. Second operand 3 states. [2018-12-03 01:19:24,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:19:24,449 INFO L93 Difference]: Finished difference Result 62 states and 78 transitions. [2018-12-03 01:19:24,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 01:19:24,449 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-12-03 01:19:24,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:19:24,449 INFO L225 Difference]: With dead ends: 62 [2018-12-03 01:19:24,449 INFO L226 Difference]: Without dead ends: 61 [2018-12-03 01:19:24,450 INFO L631 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 [2018-12-03 01:19:24,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-12-03 01:19:24,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-12-03 01:19:24,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-12-03 01:19:24,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 76 transitions. [2018-12-03 01:19:24,453 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 76 transitions. Word has length 10 [2018-12-03 01:19:24,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:19:24,454 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 76 transitions. [2018-12-03 01:19:24,454 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 01:19:24,454 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 76 transitions. [2018-12-03 01:19:24,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-03 01:19:24,454 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:19:24,454 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:19:24,454 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-03 01:19:24,454 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:19:24,455 INFO L82 PathProgramCache]: Analyzing trace with hash 1281794863, now seen corresponding path program 1 times [2018-12-03 01:19:24,455 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-03 01:19:24,455 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-03 01:19:24,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:19:24,455 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:19:24,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:19:24,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 01:19:24,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 01:19:24,471 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-03 01:19:24,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 01:19:24 BoogieIcfgContainer [2018-12-03 01:19:24,484 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 01:19:24,484 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 01:19:24,484 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 01:19:24,484 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 01:19:24,484 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:19:23" (3/4) ... [2018-12-03 01:19:24,486 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-03 01:19:24,508 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f99c60d4-f2e6-41d3-bdf3-2db7e83f2dec/bin-2019/uautomizer/witness.graphml [2018-12-03 01:19:24,508 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 01:19:24,509 INFO L168 Benchmark]: Toolchain (without parser) took 895.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 955.9 MB in the beginning and 1.0 GB in the end (delta: -78.5 MB). Peak memory consumption was 59.9 MB. Max. memory is 11.5 GB. [2018-12-03 01:19:24,510 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 01:19:24,510 INFO L168 Benchmark]: CACSL2BoogieTranslator took 122.07 ms. Allocated memory is still 1.0 GB. Free memory was 955.9 MB in the beginning and 945.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-03 01:19:24,510 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.54 ms. Allocated memory is still 1.0 GB. Free memory is still 945.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 01:19:24,511 INFO L168 Benchmark]: Boogie Preprocessor took 16.41 ms. Allocated memory is still 1.0 GB. Free memory is still 945.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 01:19:24,511 INFO L168 Benchmark]: RCFGBuilder took 168.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -173.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2018-12-03 01:19:24,511 INFO L168 Benchmark]: TraceAbstraction took 546.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 84.3 MB). Peak memory consumption was 84.3 MB. Max. memory is 11.5 GB. [2018-12-03 01:19:24,511 INFO L168 Benchmark]: Witness Printer took 24.43 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 01:19:24,513 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 122.07 ms. Allocated memory is still 1.0 GB. Free memory was 955.9 MB in the beginning and 945.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 15.54 ms. Allocated memory is still 1.0 GB. Free memory is still 945.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.41 ms. Allocated memory is still 1.0 GB. Free memory is still 945.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 168.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -173.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 546.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 84.3 MB). Peak memory consumption was 84.3 MB. Max. memory is 11.5 GB. * Witness Printer took 24.43 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 30]: integer overflow possible integer overflow possible We found a FailurePath: [L13] int a, b; [L14] a = __VERIFIER_nondet_int() [L15] b = __VERIFIER_nondet_int() [L16] COND TRUE a < 30 VAL [a=-2147483639, b=-2147483639] [L17] COND FALSE !(b < a) VAL [a=-2147483639, b=-2147483639] [L29] EXPR a + 2 [L29] a = a + 2 VAL [a=-2147483637, b=-2147483639] [L30] b - 10 VAL [a=-2147483637, b=-2147483639] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 38 locations, 12 error locations. UNSAFE Result, 0.5s OverallTime, 8 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 165 SDtfs, 119 SDslu, 68 SDs, 0 SdLazy, 161 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=62occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 24 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 57 ConstructedInterpolants, 0 QuantifiedInterpolants, 979 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...