./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted-lit/genady.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/genady.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 6938b5c805400363799492c040263d9022406929 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 04:06:23,238 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 04:06:23,242 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 04:06:23,298 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 04:06:23,299 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 04:06:23,304 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 04:06:23,307 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 04:06:23,315 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 04:06:23,318 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 04:06:23,325 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 04:06:23,326 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 04:06:23,331 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 04:06:23,332 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 04:06:23,335 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 04:06:23,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 04:06:23,338 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 04:06:23,340 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 04:06:23,343 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 04:06:23,346 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 04:06:23,355 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 04:06:23,357 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 04:06:23,359 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 04:06:23,361 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 04:06:23,363 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 04:06:23,366 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 04:06:23,366 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 04:06:23,367 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 04:06:23,368 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 04:06:23,368 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 04:06:23,370 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 04:06:23,370 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 04:06:23,371 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 04:06:23,372 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 04:06:23,373 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 04:06:23,374 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 04:06:23,374 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 04:06:23,375 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 04:06:23,375 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 04:06:23,376 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 04:06:23,377 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 04:06:23,378 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 04:06:23,379 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2020-10-26 04:06:23,404 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 04:06:23,404 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 04:06:23,406 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 04:06:23,406 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 04:06:23,406 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 04:06:23,407 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 04:06:23,407 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 04:06:23,407 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 04:06:23,407 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 04:06:23,407 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 04:06:23,408 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 04:06:23,408 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 04:06:23,408 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-10-26 04:06:23,408 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 04:06:23,408 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 04:06:23,409 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 04:06:23,409 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 04:06:23,409 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 04:06:23,409 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 04:06:23,409 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 04:06:23,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 04:06:23,410 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 04:06:23,410 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 04:06:23,410 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 04:06:23,410 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 04:06:23,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 04:06:23,411 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 04:06:23,411 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 04:06:23,411 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6938b5c805400363799492c040263d9022406929 [2020-10-26 04:06:23,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 04:06:23,820 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 04:06:23,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 04:06:23,825 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 04:06:23,825 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 04:06:23,826 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/genady.c [2020-10-26 04:06:23,907 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5edec20ec/fea7986f59254a69b11bb9c9e124ee19/FLAG8914248e6 [2020-10-26 04:06:24,479 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 04:06:24,480 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/genady.c [2020-10-26 04:06:24,490 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5edec20ec/fea7986f59254a69b11bb9c9e124ee19/FLAG8914248e6 [2020-10-26 04:06:24,857 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5edec20ec/fea7986f59254a69b11bb9c9e124ee19 [2020-10-26 04:06:24,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 04:06:24,872 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 04:06:24,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 04:06:24,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 04:06:24,879 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 04:06:24,880 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:06:24" (1/1) ... [2020-10-26 04:06:24,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22825df6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:06:24, skipping insertion in model container [2020-10-26 04:06:24,884 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:06:24" (1/1) ... [2020-10-26 04:06:24,893 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 04:06:24,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 04:06:25,088 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:06:25,094 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 04:06:25,113 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:06:25,129 INFO L208 MainTranslator]: Completed translation [2020-10-26 04:06:25,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:06:25 WrapperNode [2020-10-26 04:06:25,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 04:06:25,131 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 04:06:25,131 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 04:06:25,132 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 04:06:25,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:06:25" (1/1) ... [2020-10-26 04:06:25,147 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:06:25" (1/1) ... [2020-10-26 04:06:25,168 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 04:06:25,169 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 04:06:25,169 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 04:06:25,170 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 04:06:25,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:06:25" (1/1) ... [2020-10-26 04:06:25,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:06:25" (1/1) ... [2020-10-26 04:06:25,182 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:06:25" (1/1) ... [2020-10-26 04:06:25,182 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:06:25" (1/1) ... [2020-10-26 04:06:25,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:06:25" (1/1) ... [2020-10-26 04:06:25,189 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:06:25" (1/1) ... [2020-10-26 04:06:25,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:06:25" (1/1) ... [2020-10-26 04:06:25,192 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 04:06:25,193 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 04:06:25,193 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 04:06:25,193 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 04:06:25,194 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:06:25" (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 04:06:25,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 04:06:25,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 04:06:25,505 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 04:06:25,506 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-26 04:06:25,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:06:25 BoogieIcfgContainer [2020-10-26 04:06:25,508 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 04:06:25,510 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-26 04:06:25,510 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-26 04:06:25,514 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-26 04:06:25,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 04:06:24" (1/3) ... [2020-10-26 04:06:25,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45a1d15e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 04:06:25, skipping insertion in model container [2020-10-26 04:06:25,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:06:25" (2/3) ... [2020-10-26 04:06:25,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45a1d15e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 04:06:25, skipping insertion in model container [2020-10-26 04:06:25,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:06:25" (3/3) ... [2020-10-26 04:06:25,518 INFO L111 eAbstractionObserver]: Analyzing ICFG genady.c [2020-10-26 04:06:25,535 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-26 04:06:25,541 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-10-26 04:06:25,571 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-26 04:06:25,641 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-26 04:06:25,641 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-26 04:06:25,641 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-26 04:06:25,642 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 04:06:25,642 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 04:06:25,642 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-26 04:06:25,642 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 04:06:25,642 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-26 04:06:25,684 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2020-10-26 04:06:25,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2020-10-26 04:06:25,698 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 04:06:25,699 INFO L422 BasicCegarLoop]: trace histogram [1, 1] [2020-10-26 04:06:25,700 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_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 04:06:25,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:06:25,711 INFO L82 PathProgramCache]: Analyzing trace with hash 998, now seen corresponding path program 1 times [2020-10-26 04:06:25,723 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:06:25,725 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978271828] [2020-10-26 04:06:25,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:06:25,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:06:25,937 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 04:06:25,938 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978271828] [2020-10-26 04:06:25,939 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:06:25,940 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-26 04:06:25,941 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919167693] [2020-10-26 04:06:25,947 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-26 04:06:25,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:06:25,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-26 04:06:25,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 04:06:25,975 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 3 states. [2020-10-26 04:06:26,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:06:26,061 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2020-10-26 04:06:26,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-26 04:06:26,064 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2020-10-26 04:06:26,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 04:06:26,074 INFO L225 Difference]: With dead ends: 22 [2020-10-26 04:06:26,075 INFO L226 Difference]: Without dead ends: 13 [2020-10-26 04:06:26,078 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 04:06:26,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2020-10-26 04:06:26,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2020-10-26 04:06:26,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-26 04:06:26,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2020-10-26 04:06:26,118 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 2 [2020-10-26 04:06:26,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 04:06:26,119 INFO L481 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2020-10-26 04:06:26,119 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-26 04:06:26,119 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2020-10-26 04:06:26,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-26 04:06:26,120 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 04:06:26,120 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-26 04:06:26,121 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-26 04:06:26,121 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_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 04:06:26,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:06:26,122 INFO L82 PathProgramCache]: Analyzing trace with hash 30977, now seen corresponding path program 1 times [2020-10-26 04:06:26,123 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:06:26,123 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724328929] [2020-10-26 04:06:26,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:06:26,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:06:26,151 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 04:06:26,151 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724328929] [2020-10-26 04:06:26,151 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:06:26,152 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-26 04:06:26,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985499368] [2020-10-26 04:06:26,154 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-26 04:06:26,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:06:26,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-26 04:06:26,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 04:06:26,156 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 3 states. [2020-10-26 04:06:26,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:06:26,236 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2020-10-26 04:06:26,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-26 04:06:26,238 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-26 04:06:26,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 04:06:26,239 INFO L225 Difference]: With dead ends: 21 [2020-10-26 04:06:26,239 INFO L226 Difference]: Without dead ends: 20 [2020-10-26 04:06:26,240 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 04:06:26,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2020-10-26 04:06:26,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 15. [2020-10-26 04:06:26,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-10-26 04:06:26,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2020-10-26 04:06:26,246 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 3 [2020-10-26 04:06:26,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 04:06:26,247 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2020-10-26 04:06:26,247 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-26 04:06:26,247 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2020-10-26 04:06:26,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-26 04:06:26,248 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 04:06:26,248 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-26 04:06:26,248 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-26 04:06:26,249 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_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 04:06:26,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:06:26,250 INFO L82 PathProgramCache]: Analyzing trace with hash 29770307, now seen corresponding path program 1 times [2020-10-26 04:06:26,250 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:06:26,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787984052] [2020-10-26 04:06:26,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:06:26,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:06:26,277 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 04:06:26,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787984052] [2020-10-26 04:06:26,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:06:26,278 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-26 04:06:26,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831673438] [2020-10-26 04:06:26,279 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-26 04:06:26,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:06:26,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-26 04:06:26,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 04:06:26,286 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand 3 states. [2020-10-26 04:06:26,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:06:26,351 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2020-10-26 04:06:26,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-26 04:06:26,352 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-26 04:06:26,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 04:06:26,353 INFO L225 Difference]: With dead ends: 19 [2020-10-26 04:06:26,353 INFO L226 Difference]: Without dead ends: 18 [2020-10-26 04:06:26,354 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 04:06:26,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-10-26 04:06:26,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2020-10-26 04:06:26,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-10-26 04:06:26,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2020-10-26 04:06:26,359 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 5 [2020-10-26 04:06:26,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 04:06:26,359 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2020-10-26 04:06:26,359 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-26 04:06:26,360 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2020-10-26 04:06:26,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-26 04:06:26,360 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 04:06:26,360 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-26 04:06:26,361 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-26 04:06:26,361 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3ASSERT_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 04:06:26,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:06:26,362 INFO L82 PathProgramCache]: Analyzing trace with hash 922879565, now seen corresponding path program 1 times [2020-10-26 04:06:26,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:06:26,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748201461] [2020-10-26 04:06:26,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:06:26,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:06:26,390 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 04:06:26,391 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748201461] [2020-10-26 04:06:26,391 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:06:26,391 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-26 04:06:26,392 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808038120] [2020-10-26 04:06:26,392 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-26 04:06:26,392 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:06:26,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-26 04:06:26,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 04:06:26,394 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand 3 states. [2020-10-26 04:06:26,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:06:26,430 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2020-10-26 04:06:26,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-26 04:06:26,431 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-10-26 04:06:26,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 04:06:26,432 INFO L225 Difference]: With dead ends: 17 [2020-10-26 04:06:26,432 INFO L226 Difference]: Without dead ends: 16 [2020-10-26 04:06:26,433 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 04:06:26,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-10-26 04:06:26,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-10-26 04:06:26,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-10-26 04:06:26,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2020-10-26 04:06:26,438 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 6 [2020-10-26 04:06:26,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 04:06:26,438 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2020-10-26 04:06:26,438 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-26 04:06:26,439 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2020-10-26 04:06:26,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-26 04:06:26,439 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 04:06:26,439 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:06:26,440 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-26 04:06:26,440 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3ASSERT_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 04:06:26,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:06:26,441 INFO L82 PathProgramCache]: Analyzing trace with hash -1455504507, now seen corresponding path program 1 times [2020-10-26 04:06:26,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:06:26,441 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310028467] [2020-10-26 04:06:26,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:06:26,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:06:26,472 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 04:06:26,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310028467] [2020-10-26 04:06:26,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:06:26,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-26 04:06:26,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234670608] [2020-10-26 04:06:26,474 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-26 04:06:26,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:06:26,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-26 04:06:26,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 04:06:26,475 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 3 states. [2020-10-26 04:06:26,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:06:26,505 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2020-10-26 04:06:26,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-26 04:06:26,506 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-26 04:06:26,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 04:06:26,506 INFO L225 Difference]: With dead ends: 16 [2020-10-26 04:06:26,507 INFO L226 Difference]: Without dead ends: 15 [2020-10-26 04:06:26,507 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 04:06:26,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2020-10-26 04:06:26,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2020-10-26 04:06:26,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-10-26 04:06:26,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2020-10-26 04:06:26,511 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 7 [2020-10-26 04:06:26,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 04:06:26,512 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2020-10-26 04:06:26,512 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-26 04:06:26,512 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2020-10-26 04:06:26,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-26 04:06:26,512 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 04:06:26,513 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:06:26,513 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-26 04:06:26,513 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3ASSERT_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 04:06:26,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:06:26,514 INFO L82 PathProgramCache]: Analyzing trace with hash 2124000591, now seen corresponding path program 1 times [2020-10-26 04:06:26,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:06:26,514 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646745559] [2020-10-26 04:06:26,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:06:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:06:26,545 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 04:06:26,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646745559] [2020-10-26 04:06:26,545 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:06:26,546 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-26 04:06:26,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59007224] [2020-10-26 04:06:26,547 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-26 04:06:26,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:06:26,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-26 04:06:26,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 04:06:26,548 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand 3 states. [2020-10-26 04:06:26,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:06:26,597 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2020-10-26 04:06:26,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-26 04:06:26,598 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-10-26 04:06:26,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 04:06:26,598 INFO L225 Difference]: With dead ends: 19 [2020-10-26 04:06:26,599 INFO L226 Difference]: Without dead ends: 18 [2020-10-26 04:06:26,599 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 04:06:26,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-10-26 04:06:26,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2020-10-26 04:06:26,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-10-26 04:06:26,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2020-10-26 04:06:26,604 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 8 [2020-10-26 04:06:26,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 04:06:26,604 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2020-10-26 04:06:26,604 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-26 04:06:26,604 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2020-10-26 04:06:26,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-26 04:06:26,605 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 04:06:26,605 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:06:26,605 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-26 04:06:26,605 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3ASSERT_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 04:06:26,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:06:26,607 INFO L82 PathProgramCache]: Analyzing trace with hash 1055103537, now seen corresponding path program 1 times [2020-10-26 04:06:26,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:06:26,608 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486253855] [2020-10-26 04:06:26,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:06:26,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:06:26,666 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:06:26,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486253855] [2020-10-26 04:06:26,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007689997] [2020-10-26 04:06:26,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-26 04:06:26,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:06:26,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-26 04:06:26,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:06:26,888 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:06:26,889 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-26 04:06:26,889 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 6 [2020-10-26 04:06:26,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256018016] [2020-10-26 04:06:26,890 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-26 04:06:26,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:06:26,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-26 04:06:26,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2020-10-26 04:06:26,892 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand 8 states. [2020-10-26 04:06:26,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:06:26,994 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2020-10-26 04:06:26,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 04:06:26,995 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 10 [2020-10-26 04:06:26,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 04:06:26,995 INFO L225 Difference]: With dead ends: 25 [2020-10-26 04:06:26,996 INFO L226 Difference]: Without dead ends: 23 [2020-10-26 04:06:26,996 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2020-10-26 04:06:26,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-10-26 04:06:27,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2020-10-26 04:06:27,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-10-26 04:06:27,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2020-10-26 04:06:27,001 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 10 [2020-10-26 04:06:27,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 04:06:27,002 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2020-10-26 04:06:27,002 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-26 04:06:27,002 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2020-10-26 04:06:27,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-26 04:06:27,003 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 04:06:27,003 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1] [2020-10-26 04:06:27,216 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-10-26 04:06:27,217 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3ASSERT_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 04:06:27,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:06:27,219 INFO L82 PathProgramCache]: Analyzing trace with hash -1217672673, now seen corresponding path program 1 times [2020-10-26 04:06:27,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:06:27,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442144587] [2020-10-26 04:06:27,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:06:27,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:06:27,293 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:06:27,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442144587] [2020-10-26 04:06:27,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1874386838] [2020-10-26 04:06:27,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-26 04:06:27,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:06:27,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-26 04:06:27,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:06:27,358 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:06:27,359 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-26 04:06:27,359 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2] total 2 [2020-10-26 04:06:27,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107683252] [2020-10-26 04:06:27,360 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-26 04:06:27,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:06:27,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 04:06:27,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-26 04:06:27,364 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand 4 states. [2020-10-26 04:06:27,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:06:27,427 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2020-10-26 04:06:27,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-26 04:06:27,428 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-10-26 04:06:27,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 04:06:27,429 INFO L225 Difference]: With dead ends: 26 [2020-10-26 04:06:27,430 INFO L226 Difference]: Without dead ends: 25 [2020-10-26 04:06:27,430 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 14 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 04:06:27,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-10-26 04:06:27,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-10-26 04:06:27,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-10-26 04:06:27,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2020-10-26 04:06:27,436 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 15 [2020-10-26 04:06:27,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 04:06:27,436 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2020-10-26 04:06:27,436 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-26 04:06:27,437 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2020-10-26 04:06:27,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-26 04:06:27,437 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 04:06:27,438 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1] [2020-10-26 04:06:27,648 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-26 04:06:27,649 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3ASSERT_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 04:06:27,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:06:27,651 INFO L82 PathProgramCache]: Analyzing trace with hash -1952333055, now seen corresponding path program 2 times [2020-10-26 04:06:27,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:06:27,652 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343708870] [2020-10-26 04:06:27,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:06:27,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:06:27,706 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-26 04:06:27,707 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343708870] [2020-10-26 04:06:27,707 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:06:27,707 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-26 04:06:27,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964064307] [2020-10-26 04:06:27,708 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 04:06:27,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:06:27,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 04:06:27,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-26 04:06:27,709 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand 5 states. [2020-10-26 04:06:27,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:06:27,757 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2020-10-26 04:06:27,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 04:06:27,758 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-10-26 04:06:27,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 04:06:27,760 INFO L225 Difference]: With dead ends: 25 [2020-10-26 04:06:27,760 INFO L226 Difference]: Without dead ends: 24 [2020-10-26 04:06:27,760 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-26 04:06:27,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-10-26 04:06:27,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-10-26 04:06:27,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-10-26 04:06:27,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2020-10-26 04:06:27,765 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 17 [2020-10-26 04:06:27,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 04:06:27,765 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2020-10-26 04:06:27,765 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 04:06:27,766 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2020-10-26 04:06:27,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-26 04:06:27,766 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 04:06:27,766 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1] [2020-10-26 04:06:27,767 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-26 04:06:27,767 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3ASSERT_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 04:06:27,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:06:27,768 INFO L82 PathProgramCache]: Analyzing trace with hash 708643907, now seen corresponding path program 1 times [2020-10-26 04:06:27,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:06:27,768 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703847362] [2020-10-26 04:06:27,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:06:27,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:06:27,848 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:06:27,848 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703847362] [2020-10-26 04:06:27,848 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [572282353] [2020-10-26 04:06:27,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-26 04:06:27,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:06:27,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 04:06:27,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:06:27,917 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:06:27,917 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-26 04:06:27,918 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2020-10-26 04:06:27,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500072505] [2020-10-26 04:06:27,919 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 04:06:27,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:06:27,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 04:06:27,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-26 04:06:27,925 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand 5 states. [2020-10-26 04:06:28,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:06:28,003 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2020-10-26 04:06:28,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 04:06:28,004 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2020-10-26 04:06:28,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 04:06:28,004 INFO L225 Difference]: With dead ends: 30 [2020-10-26 04:06:28,005 INFO L226 Difference]: Without dead ends: 29 [2020-10-26 04:06:28,005 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-26 04:06:28,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-10-26 04:06:28,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2020-10-26 04:06:28,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-10-26 04:06:28,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions. [2020-10-26 04:06:28,011 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 28 transitions. Word has length 19 [2020-10-26 04:06:28,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 04:06:28,011 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 28 transitions. [2020-10-26 04:06:28,011 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 04:06:28,011 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2020-10-26 04:06:28,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-26 04:06:28,012 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 04:06:28,012 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 1, 1] [2020-10-26 04:06:28,223 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-10-26 04:06:28,224 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3ASSERT_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 04:06:28,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:06:28,225 INFO L82 PathProgramCache]: Analyzing trace with hash 1446421327, now seen corresponding path program 2 times [2020-10-26 04:06:28,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:06:28,226 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483797178] [2020-10-26 04:06:28,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:06:28,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:06:28,348 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-26 04:06:28,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483797178] [2020-10-26 04:06:28,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [287566332] [2020-10-26 04:06:28,348 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-26 04:06:28,380 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-26 04:06:28,380 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-26 04:06:28,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-26 04:06:28,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:06:28,460 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:06:28,460 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-26 04:06:28,460 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4] total 7 [2020-10-26 04:06:28,461 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508989646] [2020-10-26 04:06:28,461 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-26 04:06:28,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:06:28,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-26 04:06:28,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-26 04:06:28,463 INFO L87 Difference]: Start difference. First operand 28 states and 28 transitions. Second operand 9 states. [2020-10-26 04:06:28,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:06:28,734 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2020-10-26 04:06:28,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-26 04:06:28,735 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2020-10-26 04:06:28,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 04:06:28,736 INFO L225 Difference]: With dead ends: 28 [2020-10-26 04:06:28,736 INFO L226 Difference]: Without dead ends: 27 [2020-10-26 04:06:28,737 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=153, Unknown=0, NotChecked=0, Total=240 [2020-10-26 04:06:28,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-10-26 04:06:28,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-10-26 04:06:28,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-26 04:06:28,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2020-10-26 04:06:28,749 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 22 [2020-10-26 04:06:28,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 04:06:28,749 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2020-10-26 04:06:28,750 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-26 04:06:28,750 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2020-10-26 04:06:28,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-26 04:06:28,751 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 04:06:28,752 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 1, 1] [2020-10-26 04:06:28,953 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-26 04:06:28,953 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3ASSERT_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 04:06:28,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:06:28,955 INFO L82 PathProgramCache]: Analyzing trace with hash 1217908083, now seen corresponding path program 2 times [2020-10-26 04:06:28,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:06:28,957 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328905923] [2020-10-26 04:06:28,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:06:28,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:06:29,042 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:06:29,043 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328905923] [2020-10-26 04:06:29,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [634901958] [2020-10-26 04:06:29,044 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-26 04:06:29,072 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-26 04:06:29,073 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-26 04:06:29,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-26 04:06:29,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:06:29,094 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:06:29,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-26 04:06:29,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-10-26 04:06:29,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582619961] [2020-10-26 04:06:29,096 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-26 04:06:29,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:06:29,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-26 04:06:29,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-10-26 04:06:29,097 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand 6 states. [2020-10-26 04:06:29,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:06:29,197 INFO L93 Difference]: Finished difference Result 36 states and 36 transitions. [2020-10-26 04:06:29,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-26 04:06:29,198 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-10-26 04:06:29,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 04:06:29,199 INFO L225 Difference]: With dead ends: 36 [2020-10-26 04:06:29,199 INFO L226 Difference]: Without dead ends: 35 [2020-10-26 04:06:29,200 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-10-26 04:06:29,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-26 04:06:29,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 34. [2020-10-26 04:06:29,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-10-26 04:06:29,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 34 transitions. [2020-10-26 04:06:29,206 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 34 transitions. Word has length 26 [2020-10-26 04:06:29,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 04:06:29,206 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 34 transitions. [2020-10-26 04:06:29,207 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-26 04:06:29,207 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2020-10-26 04:06:29,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-26 04:06:29,208 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 04:06:29,208 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 1, 1] [2020-10-26 04:06:29,421 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-10-26 04:06:29,422 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3ASSERT_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 04:06:29,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:06:29,423 INFO L82 PathProgramCache]: Analyzing trace with hash 1846171203, now seen corresponding path program 3 times [2020-10-26 04:06:29,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:06:29,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211644496] [2020-10-26 04:06:29,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:06:29,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:06:29,506 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:06:29,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211644496] [2020-10-26 04:06:29,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1199910232] [2020-10-26 04:06:29,506 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-26 04:06:29,547 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2020-10-26 04:06:29,548 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-26 04:06:29,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 04:06:29,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:06:29,631 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-10-26 04:06:29,631 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-26 04:06:29,631 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 9 [2020-10-26 04:06:29,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967836450] [2020-10-26 04:06:29,632 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 04:06:29,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:06:29,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 04:06:29,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-10-26 04:06:29,633 INFO L87 Difference]: Start difference. First operand 34 states and 34 transitions. Second operand 5 states. [2020-10-26 04:06:29,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:06:29,695 INFO L93 Difference]: Finished difference Result 34 states and 34 transitions. [2020-10-26 04:06:29,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-26 04:06:29,696 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-10-26 04:06:29,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 04:06:29,697 INFO L225 Difference]: With dead ends: 34 [2020-10-26 04:06:29,697 INFO L226 Difference]: Without dead ends: 0 [2020-10-26 04:06:29,697 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-26 04:06:29,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-26 04:06:29,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-26 04:06:29,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-26 04:06:29,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-26 04:06:29,698 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2020-10-26 04:06:29,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 04:06:29,698 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:06:29,698 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 04:06:29,699 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-26 04:06:29,699 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-26 04:06:29,899 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-26 04:06:29,903 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-26 04:06:30,033 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2020-10-26 04:06:30,033 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-26 04:06:30,033 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 16) no Hoare annotation was computed. [2020-10-26 04:06:30,033 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 17) no Hoare annotation was computed. [2020-10-26 04:06:30,034 INFO L270 CegarLoopResult]: At program point L19(lines 11 20) the Hoare annotation is: (<= ULTIMATE.start_main_~i~0 (+ ULTIMATE.start_main_~j~0 9999)) [2020-10-26 04:06:30,034 INFO L274 CegarLoopResult]: For program point L17(line 17) no Hoare annotation was computed. [2020-10-26 04:06:30,034 INFO L274 CegarLoopResult]: For program point L17-1(line 17) no Hoare annotation was computed. [2020-10-26 04:06:30,035 INFO L274 CegarLoopResult]: For program point L15-1(line 15) no Hoare annotation was computed. [2020-10-26 04:06:30,035 INFO L274 CegarLoopResult]: For program point L15-2(lines 15 18) no Hoare annotation was computed. [2020-10-26 04:06:30,037 INFO L270 CegarLoopResult]: At program point L15-4(lines 15 18) the Hoare annotation is: (and (<= 10001 (+ ULTIMATE.start_main_~i~0 ULTIMATE.start_main_~j~0)) (<= ULTIMATE.start_main_~i~0 10000) (<= ULTIMATE.start_main_~j~0 (+ ULTIMATE.start_main_~i~0 1))) [2020-10-26 04:06:30,037 INFO L274 CegarLoopResult]: For program point L15-5(lines 15 18) no Hoare annotation was computed. [2020-10-26 04:06:30,037 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2020-10-26 04:06:30,037 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 16) no Hoare annotation was computed. [2020-10-26 04:06:30,038 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-26 04:06:30,038 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 17) no Hoare annotation was computed. [2020-10-26 04:06:30,038 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-26 04:06:30,038 INFO L274 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed. [2020-10-26 04:06:30,039 INFO L274 CegarLoopResult]: For program point L16-1(line 16) no Hoare annotation was computed. [2020-10-26 04:06:30,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 04:06:30 BoogieIcfgContainer [2020-10-26 04:06:30,075 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-26 04:06:30,075 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 04:06:30,075 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 04:06:30,076 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 04:06:30,076 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:06:25" (3/4) ... [2020-10-26 04:06:30,080 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-26 04:06:30,095 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-10-26 04:06:30,095 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-26 04:06:30,154 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-26 04:06:30,155 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 04:06:30,157 INFO L168 Benchmark]: Toolchain (without parser) took 5288.44 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 29.1 MB in the beginning and 36.1 MB in the end (delta: -7.0 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-10-26 04:06:30,158 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 39.8 MB. Free memory was 19.5 MB in the beginning and 19.5 MB in the end (delta: 28.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:06:30,159 INFO L168 Benchmark]: CACSL2BoogieTranslator took 255.90 ms. Allocated memory is still 52.4 MB. Free memory was 28.4 MB in the beginning and 31.5 MB in the end (delta: -3.1 MB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. [2020-10-26 04:06:30,160 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.33 ms. Allocated memory is still 52.4 MB. Free memory was 31.4 MB in the beginning and 30.2 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:06:30,161 INFO L168 Benchmark]: Boogie Preprocessor took 23.04 ms. Allocated memory is still 52.4 MB. Free memory was 30.2 MB in the beginning and 29.3 MB in the end (delta: 929.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:06:30,165 INFO L168 Benchmark]: RCFGBuilder took 315.16 ms. Allocated memory is still 52.4 MB. Free memory was 29.3 MB in the beginning and 33.8 MB in the end (delta: -4.6 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. [2020-10-26 04:06:30,166 INFO L168 Benchmark]: TraceAbstraction took 4564.86 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 33.5 MB in the beginning and 38.2 MB in the end (delta: -4.8 MB). Peak memory consumption was 26.0 MB. Max. memory is 16.1 GB. [2020-10-26 04:06:30,166 INFO L168 Benchmark]: Witness Printer took 79.63 ms. Allocated memory is still 62.9 MB. Free memory was 38.2 MB in the beginning and 36.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:06:30,169 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 39.8 MB. Free memory was 19.5 MB in the beginning and 19.5 MB in the end (delta: 28.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 255.90 ms. Allocated memory is still 52.4 MB. Free memory was 28.4 MB in the beginning and 31.5 MB in the end (delta: -3.1 MB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 37.33 ms. Allocated memory is still 52.4 MB. Free memory was 31.4 MB in the beginning and 30.2 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.04 ms. Allocated memory is still 52.4 MB. Free memory was 30.2 MB in the beginning and 29.3 MB in the end (delta: 929.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 315.16 ms. Allocated memory is still 52.4 MB. Free memory was 29.3 MB in the beginning and 33.8 MB in the end (delta: -4.6 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4564.86 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 33.5 MB in the beginning and 38.2 MB in the end (delta: -4.8 MB). Peak memory consumption was 26.0 MB. Max. memory is 16.1 GB. * Witness Printer took 79.63 ms. Allocated memory is still 62.9 MB. Free memory was 38.2 MB in the beginning and 36.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: (10001 <= i + j && i <= 10000) && j <= i + 1 - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: i <= j + 9999 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 18 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.2s, OverallIterations: 13, TraceHistogramMax: 5, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 54 SDtfs, 92 SDslu, 30 SDs, 0 SdLazy, 265 SolverSat, 30 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 160 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 13 MinimizatonAttempts, 9 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 7 NumberOfFragments, 19 HoareAnnotationTreeSize, 2 FomulaSimplifications, 68 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 97 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 298 NumberOfCodeBlocks, 277 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 279 ConstructedInterpolants, 0 QuantifiedInterpolants, 16597 SizeOfPredicates, 2 NumberOfNonLiveVariables, 178 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 19 InterpolantComputations, 8 PerfectInterpolantSequences, 95/283 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...