./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 4c761fb15c9d367876fc9f1553874e9680fa1668 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-26 04:04:12,925 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 04:04:12,929 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 04:04:12,989 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 04:04:12,989 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 04:04:12,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 04:04:12,998 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 04:04:13,004 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 04:04:13,008 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 04:04:13,014 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 04:04:13,015 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 04:04:13,021 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 04:04:13,021 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 04:04:13,024 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 04:04:13,026 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 04:04:13,028 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 04:04:13,029 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 04:04:13,033 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 04:04:13,043 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 04:04:13,045 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 04:04:13,047 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 04:04:13,052 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 04:04:13,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 04:04:13,054 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 04:04:13,056 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 04:04:13,057 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 04:04:13,057 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 04:04:13,058 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 04:04:13,059 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 04:04:13,060 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 04:04:13,060 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 04:04:13,061 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 04:04:13,062 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 04:04:13,063 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 04:04:13,064 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 04:04:13,064 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 04:04:13,065 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 04:04:13,065 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 04:04:13,066 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 04:04:13,067 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 04:04:13,067 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 04:04:13,068 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2020-10-26 04:04:13,096 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 04:04:13,096 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 04:04:13,098 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 04:04:13,098 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 04:04:13,098 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 04:04:13,098 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 04:04:13,098 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 04:04:13,099 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 04:04:13,099 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 04:04:13,099 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 04:04:13,099 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 04:04:13,099 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 04:04:13,100 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-10-26 04:04:13,100 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 04:04:13,100 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 04:04:13,100 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 04:04:13,100 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 04:04:13,101 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 04:04:13,101 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 04:04:13,101 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 04:04:13,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 04:04:13,101 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 04:04:13,102 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 04:04:13,102 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 04:04:13,102 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 04:04:13,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 04:04:13,102 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 04:04:13,102 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 04:04:13,103 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c761fb15c9d367876fc9f1553874e9680fa1668 [2020-10-26 04:04:13,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 04:04:13,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 04:04:13,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 04:04:13,575 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 04:04:13,576 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 04:04:13,577 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.c [2020-10-26 04:04:13,658 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09aa0ae25/e8982420a4364875975e309adeaa65b0/FLAG8b4f03239 [2020-10-26 04:04:14,382 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 04:04:14,383 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.c [2020-10-26 04:04:14,391 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09aa0ae25/e8982420a4364875975e309adeaa65b0/FLAG8b4f03239 [2020-10-26 04:04:14,418 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09aa0ae25/e8982420a4364875975e309adeaa65b0 [2020-10-26 04:04:14,422 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 04:04:14,430 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 04:04:14,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 04:04:14,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 04:04:14,439 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 04:04:14,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:04:14" (1/1) ... [2020-10-26 04:04:14,445 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@457abadd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:04:14, skipping insertion in model container [2020-10-26 04:04:14,445 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:04:14" (1/1) ... [2020-10-26 04:04:14,456 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 04:04:14,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 04:04:14,665 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:04:14,669 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 04:04:14,686 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:04:14,699 INFO L208 MainTranslator]: Completed translation [2020-10-26 04:04:14,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:04:14 WrapperNode [2020-10-26 04:04:14,700 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 04:04:14,702 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 04:04:14,702 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 04:04:14,702 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 04:04:14,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:04:14" (1/1) ... [2020-10-26 04:04:14,716 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:04:14" (1/1) ... [2020-10-26 04:04:14,735 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 04:04:14,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 04:04:14,737 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 04:04:14,737 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 04:04:14,746 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:04:14" (1/1) ... [2020-10-26 04:04:14,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:04:14" (1/1) ... [2020-10-26 04:04:14,747 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:04:14" (1/1) ... [2020-10-26 04:04:14,748 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:04:14" (1/1) ... [2020-10-26 04:04:14,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:04:14" (1/1) ... [2020-10-26 04:04:14,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:04:14" (1/1) ... [2020-10-26 04:04:14,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:04:14" (1/1) ... [2020-10-26 04:04:14,757 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 04:04:14,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 04:04:14,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 04:04:14,759 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 04:04:14,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:04:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-26 04:04:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 04:04:14,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 04:04:15,034 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 04:04:15,034 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-26 04:04:15,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:04:15 BoogieIcfgContainer [2020-10-26 04:04:15,036 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 04:04:15,040 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-26 04:04:15,040 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-26 04:04:15,046 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-26 04:04:15,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 04:04:14" (1/3) ... [2020-10-26 04:04:15,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@191cc0cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 04:04:15, skipping insertion in model container [2020-10-26 04:04:15,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:04:14" (2/3) ... [2020-10-26 04:04:15,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@191cc0cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 04:04:15, skipping insertion in model container [2020-10-26 04:04:15,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:04:15" (3/3) ... [2020-10-26 04:04:15,052 INFO L111 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-wise.c [2020-10-26 04:04:15,065 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-26 04:04:15,071 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2020-10-26 04:04:15,085 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-10-26 04:04:15,129 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-26 04:04:15,129 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-26 04:04:15,130 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-26 04:04:15,130 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 04:04:15,130 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 04:04:15,131 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-26 04:04:15,131 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 04:04:15,131 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-26 04:04:15,155 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2020-10-26 04:04:15,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-26 04:04:15,164 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 04:04:15,165 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-26 04:04:15,166 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-26 04:04:15,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:04:15,175 INFO L82 PathProgramCache]: Analyzing trace with hash 30885, now seen corresponding path program 1 times [2020-10-26 04:04:15,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:04:15,189 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705388196] [2020-10-26 04:04:15,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:04:15,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:04:15,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:04:15,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705388196] [2020-10-26 04:04:15,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:04:15,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-26 04:04:15,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405998229] [2020-10-26 04:04:15,501 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-26 04:04:15,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:04:15,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 04:04:15,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-26 04:04:15,545 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 4 states. [2020-10-26 04:04:15,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:04:15,826 INFO L93 Difference]: Finished difference Result 53 states and 62 transitions. [2020-10-26 04:04:15,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 04:04:15,829 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2020-10-26 04:04:15,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 04:04:15,841 INFO L225 Difference]: With dead ends: 53 [2020-10-26 04:04:15,841 INFO L226 Difference]: Without dead ends: 35 [2020-10-26 04:04:15,846 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-26 04:04:15,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-26 04:04:15,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 21. [2020-10-26 04:04:15,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-10-26 04:04:15,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2020-10-26 04:04:15,911 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 3 [2020-10-26 04:04:15,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 04:04:15,911 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2020-10-26 04:04:15,912 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-26 04:04:15,912 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2020-10-26 04:04:15,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-26 04:04:15,912 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 04:04:15,913 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-26 04:04:15,913 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-26 04:04:15,914 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-26 04:04:15,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:04:15,917 INFO L82 PathProgramCache]: Analyzing trace with hash 957477, now seen corresponding path program 1 times [2020-10-26 04:04:15,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:04:15,918 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523494848] [2020-10-26 04:04:15,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:04:15,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:04:15,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:04:15,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523494848] [2020-10-26 04:04:15,982 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:04:15,982 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-26 04:04:15,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190045558] [2020-10-26 04:04:15,984 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-26 04:04:15,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:04:15,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 04:04:15,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-26 04:04:15,987 INFO L87 Difference]: Start difference. First operand 21 states and 23 transitions. Second operand 4 states. [2020-10-26 04:04:16,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:04:16,129 INFO L93 Difference]: Finished difference Result 47 states and 57 transitions. [2020-10-26 04:04:16,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 04:04:16,130 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2020-10-26 04:04:16,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 04:04:16,131 INFO L225 Difference]: With dead ends: 47 [2020-10-26 04:04:16,131 INFO L226 Difference]: Without dead ends: 45 [2020-10-26 04:04:16,132 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-26 04:04:16,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-26 04:04:16,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 30. [2020-10-26 04:04:16,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-26 04:04:16,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-10-26 04:04:16,144 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 4 [2020-10-26 04:04:16,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 04:04:16,145 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-10-26 04:04:16,145 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-26 04:04:16,145 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-10-26 04:04:16,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-26 04:04:16,146 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 04:04:16,146 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:04:16,146 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-26 04:04:16,147 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-26 04:04:16,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:04:16,148 INFO L82 PathProgramCache]: Analyzing trace with hash -511748973, now seen corresponding path program 1 times [2020-10-26 04:04:16,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:04:16,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126185429] [2020-10-26 04:04:16,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:04:16,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:04:16,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:04:16,190 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126185429] [2020-10-26 04:04:16,190 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:04:16,190 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 04:04:16,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114632172] [2020-10-26 04:04:16,191 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 04:04:16,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:04:16,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 04:04:16,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-26 04:04:16,193 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 5 states. [2020-10-26 04:04:16,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:04:16,313 INFO L93 Difference]: Finished difference Result 79 states and 101 transitions. [2020-10-26 04:04:16,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-26 04:04:16,314 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2020-10-26 04:04:16,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 04:04:16,316 INFO L225 Difference]: With dead ends: 79 [2020-10-26 04:04:16,316 INFO L226 Difference]: Without dead ends: 78 [2020-10-26 04:04:16,317 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-26 04:04:16,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-10-26 04:04:16,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 65. [2020-10-26 04:04:16,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-10-26 04:04:16,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 93 transitions. [2020-10-26 04:04:16,331 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 93 transitions. Word has length 8 [2020-10-26 04:04:16,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 04:04:16,332 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 93 transitions. [2020-10-26 04:04:16,332 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 04:04:16,332 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2020-10-26 04:04:16,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-26 04:04:16,333 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 04:04:16,333 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:04:16,333 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-26 04:04:16,334 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-26 04:04:16,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:04:16,335 INFO L82 PathProgramCache]: Analyzing trace with hash -511749165, now seen corresponding path program 1 times [2020-10-26 04:04:16,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:04:16,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754761367] [2020-10-26 04:04:16,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:04:16,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:04:16,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:04:16,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754761367] [2020-10-26 04:04:16,388 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:04:16,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-26 04:04:16,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007106195] [2020-10-26 04:04:16,390 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-26 04:04:16,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:04:16,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 04:04:16,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-26 04:04:16,391 INFO L87 Difference]: Start difference. First operand 65 states and 93 transitions. Second operand 4 states. [2020-10-26 04:04:16,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:04:16,443 INFO L93 Difference]: Finished difference Result 96 states and 130 transitions. [2020-10-26 04:04:16,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-26 04:04:16,443 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-10-26 04:04:16,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 04:04:16,445 INFO L225 Difference]: With dead ends: 96 [2020-10-26 04:04:16,445 INFO L226 Difference]: Without dead ends: 51 [2020-10-26 04:04:16,446 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-26 04:04:16,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-10-26 04:04:16,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 42. [2020-10-26 04:04:16,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-26 04:04:16,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 52 transitions. [2020-10-26 04:04:16,455 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 52 transitions. Word has length 8 [2020-10-26 04:04:16,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 04:04:16,455 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 52 transitions. [2020-10-26 04:04:16,456 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-26 04:04:16,456 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2020-10-26 04:04:16,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-26 04:04:16,456 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 04:04:16,457 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:04:16,457 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-26 04:04:16,457 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-26 04:04:16,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:04:16,458 INFO L82 PathProgramCache]: Analyzing trace with hash 1315651091, now seen corresponding path program 1 times [2020-10-26 04:04:16,458 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:04:16,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462311389] [2020-10-26 04:04:16,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:04:16,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:04:16,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:04:16,491 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462311389] [2020-10-26 04:04:16,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:04:16,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-26 04:04:16,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168760229] [2020-10-26 04:04:16,492 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-26 04:04:16,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:04:16,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-26 04:04:16,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 04:04:16,494 INFO L87 Difference]: Start difference. First operand 42 states and 52 transitions. Second operand 3 states. [2020-10-26 04:04:16,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:04:16,519 INFO L93 Difference]: Finished difference Result 42 states and 52 transitions. [2020-10-26 04:04:16,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-26 04:04:16,520 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-26 04:04:16,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 04:04:16,521 INFO L225 Difference]: With dead ends: 42 [2020-10-26 04:04:16,521 INFO L226 Difference]: Without dead ends: 41 [2020-10-26 04:04:16,522 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 [2020-10-26 04:04:16,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-10-26 04:04:16,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-10-26 04:04:16,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-10-26 04:04:16,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 50 transitions. [2020-10-26 04:04:16,529 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 50 transitions. Word has length 9 [2020-10-26 04:04:16,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 04:04:16,530 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 50 transitions. [2020-10-26 04:04:16,530 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-26 04:04:16,530 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2020-10-26 04:04:16,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-26 04:04:16,531 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 04:04:16,531 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:04:16,531 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-26 04:04:16,532 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-26 04:04:16,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:04:16,532 INFO L82 PathProgramCache]: Analyzing trace with hash -2115076497, now seen corresponding path program 1 times [2020-10-26 04:04:16,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:04:16,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417611069] [2020-10-26 04:04:16,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:04:16,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:04:16,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:04:16,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417611069] [2020-10-26 04:04:16,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:04:16,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-26 04:04:16,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700207599] [2020-10-26 04:04:16,584 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-26 04:04:16,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:04:16,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 04:04:16,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-26 04:04:16,588 INFO L87 Difference]: Start difference. First operand 41 states and 50 transitions. Second operand 4 states. [2020-10-26 04:04:16,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:04:16,635 INFO L93 Difference]: Finished difference Result 75 states and 91 transitions. [2020-10-26 04:04:16,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-26 04:04:16,635 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-26 04:04:16,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 04:04:16,636 INFO L225 Difference]: With dead ends: 75 [2020-10-26 04:04:16,636 INFO L226 Difference]: Without dead ends: 40 [2020-10-26 04:04:16,637 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-26 04:04:16,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-10-26 04:04:16,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 35. [2020-10-26 04:04:16,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-26 04:04:16,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions. [2020-10-26 04:04:16,642 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 40 transitions. Word has length 10 [2020-10-26 04:04:16,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 04:04:16,643 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 40 transitions. [2020-10-26 04:04:16,643 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-26 04:04:16,643 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2020-10-26 04:04:16,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-26 04:04:16,644 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 04:04:16,644 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:04:16,644 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-26 04:04:16,644 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-26 04:04:16,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:04:16,645 INFO L82 PathProgramCache]: Analyzing trace with hash -2115076689, now seen corresponding path program 1 times [2020-10-26 04:04:16,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:04:16,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598541977] [2020-10-26 04:04:16,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:04:16,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:04:16,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:04:16,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598541977] [2020-10-26 04:04:16,686 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:04:16,686 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 04:04:16,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349674277] [2020-10-26 04:04:16,687 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 04:04:16,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:04:16,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 04:04:16,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-26 04:04:16,688 INFO L87 Difference]: Start difference. First operand 35 states and 40 transitions. Second operand 5 states. [2020-10-26 04:04:16,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:04:16,800 INFO L93 Difference]: Finished difference Result 54 states and 60 transitions. [2020-10-26 04:04:16,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-26 04:04:16,801 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-10-26 04:04:16,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 04:04:16,801 INFO L225 Difference]: With dead ends: 54 [2020-10-26 04:04:16,801 INFO L226 Difference]: Without dead ends: 53 [2020-10-26 04:04:16,803 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-26 04:04:16,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-10-26 04:04:16,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 44. [2020-10-26 04:04:16,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-10-26 04:04:16,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 52 transitions. [2020-10-26 04:04:16,812 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 52 transitions. Word has length 10 [2020-10-26 04:04:16,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 04:04:16,812 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 52 transitions. [2020-10-26 04:04:16,812 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 04:04:16,812 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2020-10-26 04:04:16,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-26 04:04:16,813 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 04:04:16,813 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:04:16,814 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-26 04:04:16,814 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-26 04:04:16,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:04:16,815 INFO L82 PathProgramCache]: Analyzing trace with hash -1142867855, now seen corresponding path program 1 times [2020-10-26 04:04:16,815 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:04:16,815 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914765712] [2020-10-26 04:04:16,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:04:16,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:04:16,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:04:16,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914765712] [2020-10-26 04:04:16,850 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:04:16,850 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-26 04:04:16,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316728442] [2020-10-26 04:04:16,851 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-26 04:04:16,851 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:04:16,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-26 04:04:16,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 04:04:16,852 INFO L87 Difference]: Start difference. First operand 44 states and 52 transitions. Second operand 3 states. [2020-10-26 04:04:16,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:04:16,875 INFO L93 Difference]: Finished difference Result 44 states and 52 transitions. [2020-10-26 04:04:16,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-26 04:04:16,875 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-26 04:04:16,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 04:04:16,876 INFO L225 Difference]: With dead ends: 44 [2020-10-26 04:04:16,876 INFO L226 Difference]: Without dead ends: 43 [2020-10-26 04:04:16,877 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 [2020-10-26 04:04:16,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-26 04:04:16,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-10-26 04:04:16,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-26 04:04:16,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 50 transitions. [2020-10-26 04:04:16,883 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 50 transitions. Word has length 11 [2020-10-26 04:04:16,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 04:04:16,884 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 50 transitions. [2020-10-26 04:04:16,884 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-26 04:04:16,884 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 50 transitions. [2020-10-26 04:04:16,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-26 04:04:16,885 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 04:04:16,885 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:04:16,885 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-26 04:04:16,885 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-26 04:04:16,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:04:16,886 INFO L82 PathProgramCache]: Analyzing trace with hash 1620314709, now seen corresponding path program 1 times [2020-10-26 04:04:16,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:04:16,887 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56410902] [2020-10-26 04:04:16,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:04:16,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:04:16,944 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:04:16,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56410902] [2020-10-26 04:04:16,944 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:04:16,944 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-26 04:04:16,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763918516] [2020-10-26 04:04:16,945 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 04:04:16,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:04:16,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 04:04:16,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-26 04:04:16,947 INFO L87 Difference]: Start difference. First operand 43 states and 50 transitions. Second operand 5 states. [2020-10-26 04:04:17,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:04:17,018 INFO L93 Difference]: Finished difference Result 56 states and 65 transitions. [2020-10-26 04:04:17,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-26 04:04:17,019 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-10-26 04:04:17,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 04:04:17,019 INFO L225 Difference]: With dead ends: 56 [2020-10-26 04:04:17,019 INFO L226 Difference]: Without dead ends: 23 [2020-10-26 04:04:17,020 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-10-26 04:04:17,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-10-26 04:04:17,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-10-26 04:04:17,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-10-26 04:04:17,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2020-10-26 04:04:17,027 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 11 [2020-10-26 04:04:17,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 04:04:17,027 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2020-10-26 04:04:17,027 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 04:04:17,028 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2020-10-26 04:04:17,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-26 04:04:17,028 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 04:04:17,028 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:04:17,029 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-26 04:04:17,029 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-26 04:04:17,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:04:17,030 INFO L82 PathProgramCache]: Analyzing trace with hash -1069165097, now seen corresponding path program 1 times [2020-10-26 04:04:17,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:04:17,031 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040786181] [2020-10-26 04:04:17,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:04:17,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:04:17,068 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:04:17,068 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040786181] [2020-10-26 04:04:17,069 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:04:17,069 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-26 04:04:17,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267978077] [2020-10-26 04:04:17,069 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 04:04:17,070 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:04:17,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 04:04:17,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-26 04:04:17,071 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand 5 states. [2020-10-26 04:04:17,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:04:17,121 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2020-10-26 04:04:17,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-26 04:04:17,122 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-10-26 04:04:17,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 04:04:17,122 INFO L225 Difference]: With dead ends: 28 [2020-10-26 04:04:17,122 INFO L226 Difference]: Without dead ends: 0 [2020-10-26 04:04:17,123 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-10-26 04:04:17,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-26 04:04:17,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-26 04:04:17,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-26 04:04:17,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-26 04:04:17,124 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2020-10-26 04:04:17,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 04:04:17,124 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:04:17,124 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 04:04:17,124 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-26 04:04:17,124 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-26 04:04:17,125 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-26 04:04:17,127 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-26 04:04:17,189 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2020-10-26 04:04:17,189 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-26 04:04:17,189 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2020-10-26 04:04:17,189 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2020-10-26 04:04:17,189 INFO L274 CegarLoopResult]: For program point L19(lines 19 23) no Hoare annotation was computed. [2020-10-26 04:04:17,190 INFO L274 CegarLoopResult]: For program point L17(lines 17 25) no Hoare annotation was computed. [2020-10-26 04:04:17,190 INFO L270 CegarLoopResult]: At program point L19-2(lines 18 24) the Hoare annotation is: (and (<= ULTIMATE.start_main_~x~0 2147483647) (<= 0 ULTIMATE.start_main_~y~0) (<= 0 ULTIMATE.start_main_~x~0) (<= ULTIMATE.start_main_~y~0 2147483647)) [2020-10-26 04:04:17,190 INFO L274 CegarLoopResult]: For program point L17-1(lines 17 25) no Hoare annotation was computed. [2020-10-26 04:04:17,191 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2020-10-26 04:04:17,191 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2020-10-26 04:04:17,191 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2020-10-26 04:04:17,191 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-26 04:04:17,191 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2020-10-26 04:04:17,191 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-26 04:04:17,191 INFO L270 CegarLoopResult]: At program point L26(lines 13 27) the Hoare annotation is: (or (<= ULTIMATE.start_main_~x~0 2147483647) (<= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~y~0 2147483647))) [2020-10-26 04:04:17,191 INFO L274 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-26 04:04:17,191 INFO L274 CegarLoopResult]: For program point L22-1(line 22) no Hoare annotation was computed. [2020-10-26 04:04:17,192 INFO L274 CegarLoopResult]: For program point L20(line 20) no Hoare annotation was computed. [2020-10-26 04:04:17,192 INFO L274 CegarLoopResult]: For program point L20-1(line 20) no Hoare annotation was computed. [2020-10-26 04:04:17,192 INFO L274 CegarLoopResult]: For program point L18-1(line 18) no Hoare annotation was computed. [2020-10-26 04:04:17,192 INFO L274 CegarLoopResult]: For program point L18-2(line 18) no Hoare annotation was computed. [2020-10-26 04:04:17,192 INFO L274 CegarLoopResult]: For program point L18-4(line 18) no Hoare annotation was computed. [2020-10-26 04:04:17,192 INFO L274 CegarLoopResult]: For program point L18-5(line 18) no Hoare annotation was computed. [2020-10-26 04:04:17,192 INFO L274 CegarLoopResult]: For program point L18-6(lines 18 24) no Hoare annotation was computed. [2020-10-26 04:04:17,192 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2020-10-26 04:04:17,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 04:04:17 BoogieIcfgContainer [2020-10-26 04:04:17,212 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-26 04:04:17,212 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 04:04:17,213 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 04:04:17,213 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 04:04:17,214 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:04:15" (3/4) ... [2020-10-26 04:04:17,217 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-26 04:04:17,228 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-10-26 04:04:17,228 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-26 04:04:17,272 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-26 04:04:17,273 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 04:04:17,275 INFO L168 Benchmark]: Toolchain (without parser) took 2849.89 ms. Allocated memory was 46.1 MB in the beginning and 69.2 MB in the end (delta: 23.1 MB). Free memory was 23.6 MB in the beginning and 29.2 MB in the end (delta: -5.6 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. [2020-10-26 04:04:17,276 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 46.1 MB. Free memory is still 31.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:04:17,276 INFO L168 Benchmark]: CACSL2BoogieTranslator took 266.47 ms. Allocated memory is still 46.1 MB. Free memory was 23.0 MB in the beginning and 25.7 MB in the end (delta: -2.7 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-10-26 04:04:17,277 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.92 ms. Allocated memory is still 46.1 MB. Free memory was 25.7 MB in the beginning and 24.5 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:04:17,278 INFO L168 Benchmark]: Boogie Preprocessor took 21.37 ms. Allocated memory is still 46.1 MB. Free memory was 24.5 MB in the beginning and 23.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:04:17,278 INFO L168 Benchmark]: RCFGBuilder took 277.41 ms. Allocated memory is still 46.1 MB. Free memory was 23.4 MB in the beginning and 24.6 MB in the end (delta: -1.2 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. [2020-10-26 04:04:17,279 INFO L168 Benchmark]: TraceAbstraction took 2172.16 ms. Allocated memory was 46.1 MB in the beginning and 69.2 MB in the end (delta: 23.1 MB). Free memory was 24.3 MB in the beginning and 31.9 MB in the end (delta: -7.6 MB). Peak memory consumption was 15.5 MB. Max. memory is 16.1 GB. [2020-10-26 04:04:17,280 INFO L168 Benchmark]: Witness Printer took 60.52 ms. Allocated memory is still 69.2 MB. Free memory was 31.9 MB in the beginning and 29.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:04:17,284 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 46.1 MB. Free memory is still 31.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 266.47 ms. Allocated memory is still 46.1 MB. Free memory was 23.0 MB in the beginning and 25.7 MB in the end (delta: -2.7 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 33.92 ms. Allocated memory is still 46.1 MB. Free memory was 25.7 MB in the beginning and 24.5 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.37 ms. Allocated memory is still 46.1 MB. Free memory was 24.5 MB in the beginning and 23.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 277.41 ms. Allocated memory is still 46.1 MB. Free memory was 23.4 MB in the beginning and 24.6 MB in the end (delta: -1.2 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2172.16 ms. Allocated memory was 46.1 MB in the beginning and 69.2 MB in the end (delta: 23.1 MB). Free memory was 24.3 MB in the beginning and 31.9 MB in the end (delta: -7.6 MB). Peak memory consumption was 15.5 MB. Max. memory is 16.1 GB. * Witness Printer took 60.52 ms. Allocated memory is still 69.2 MB. Free memory was 31.9 MB in the beginning and 29.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: x <= 2147483647 || x <= y + 2147483647 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: ((x <= 2147483647 && 0 <= y) && 0 <= x) && y <= 2147483647 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 25 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.9s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 87 SDtfs, 260 SDslu, 39 SDs, 0 SdLazy, 342 SolverSat, 64 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 65 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 8 NumberOfFragments, 22 HoareAnnotationTreeSize, 2 FomulaSimplifications, 39 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 51 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 2067 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 3/3 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 correct! Received shutdown request...