./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9a8b2e8d 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_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4c761fb15c9d367876fc9f1553874e9680fa1668 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:23:47,025 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:23:47,028 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:23:47,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:23:47,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:23:47,055 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:23:47,056 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:23:47,059 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:23:47,061 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:23:47,062 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:23:47,063 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:23:47,075 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:23:47,075 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:23:47,076 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:23:47,078 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:23:47,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:23:47,083 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:23:47,086 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:23:47,089 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:23:47,091 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:23:47,095 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:23:47,099 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:23:47,102 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:23:47,102 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:23:47,108 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:23:47,109 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:23:47,109 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:23:47,110 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:23:47,110 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:23:47,112 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:23:47,112 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:23:47,113 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:23:47,114 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:23:47,115 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:23:47,116 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:23:47,116 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:23:47,117 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:23:47,117 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:23:47,118 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:23:47,128 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:23:47,132 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:23:47,133 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2020-10-20 06:23:47,178 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:23:47,178 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:23:47,181 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:23:47,181 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:23:47,181 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:23:47,182 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:23:47,183 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:23:47,183 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:23:47,183 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:23:47,183 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 06:23:47,184 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:23:47,184 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 06:23:47,184 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-10-20 06:23:47,185 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 06:23:47,185 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:23:47,185 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 06:23:47,185 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:23:47,186 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:23:47,186 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:23:47,186 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:23:47,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:23:47,186 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:23:47,187 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:23:47,187 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 06:23:47,187 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:23:47,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 06:23:47,188 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 06:23:47,188 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:23:47,188 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c761fb15c9d367876fc9f1553874e9680fa1668 [2020-10-20 06:23:47,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:23:47,440 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:23:47,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:23:47,446 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:23:47,446 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:23:47,447 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.c [2020-10-20 06:23:47,524 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2292ca0b8/88263a1c6e7a4d7599fbddabc8302f75/FLAG764180d57 [2020-10-20 06:23:48,124 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:23:48,125 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.c [2020-10-20 06:23:48,132 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2292ca0b8/88263a1c6e7a4d7599fbddabc8302f75/FLAG764180d57 [2020-10-20 06:23:48,543 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2292ca0b8/88263a1c6e7a4d7599fbddabc8302f75 [2020-10-20 06:23:48,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:23:48,554 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 06:23:48,555 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:23:48,555 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:23:48,559 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:23:48,560 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:23:48" (1/1) ... [2020-10-20 06:23:48,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c1dfcee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:23:48, skipping insertion in model container [2020-10-20 06:23:48,565 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:23:48" (1/1) ... [2020-10-20 06:23:48,573 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:23:48,593 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:23:48,770 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:23:48,773 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:23:48,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:23:48,803 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:23:48,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:23:48 WrapperNode [2020-10-20 06:23:48,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:23:48,805 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 06:23:48,805 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 06:23:48,805 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 06:23:48,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:23:48" (1/1) ... [2020-10-20 06:23:48,815 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:23:48" (1/1) ... [2020-10-20 06:23:48,831 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 06:23:48,832 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:23:48,832 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:23:48,832 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:23:48,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:23:48" (1/1) ... [2020-10-20 06:23:48,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:23:48" (1/1) ... [2020-10-20 06:23:48,843 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:23:48" (1/1) ... [2020-10-20 06:23:48,843 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:23:48" (1/1) ... [2020-10-20 06:23:48,845 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:23:48" (1/1) ... [2020-10-20 06:23:48,849 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:23:48" (1/1) ... [2020-10-20 06:23:48,850 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:23:48" (1/1) ... [2020-10-20 06:23:48,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:23:48,852 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:23:48,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:23:48,852 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:23:48,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:23:48" (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 [2020-10-20 06:23:48,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:23:48,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:23:49,117 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:23:49,117 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-20 06:23:49,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:23:49 BoogieIcfgContainer [2020-10-20 06:23:49,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:23:49,122 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 06:23:49,122 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 06:23:49,126 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 06:23:49,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 06:23:48" (1/3) ... [2020-10-20 06:23:49,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12b5381b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:23:49, skipping insertion in model container [2020-10-20 06:23:49,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:23:48" (2/3) ... [2020-10-20 06:23:49,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12b5381b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:23:49, skipping insertion in model container [2020-10-20 06:23:49,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:23:49" (3/3) ... [2020-10-20 06:23:49,134 INFO L111 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-wise.c [2020-10-20 06:23:49,145 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 06:23:49,151 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2020-10-20 06:23:49,163 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-10-20 06:23:49,187 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 06:23:49,187 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 06:23:49,187 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 06:23:49,188 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:23:49,188 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:23:49,188 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 06:23:49,188 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:23:49,189 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 06:23:49,204 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2020-10-20 06:23:49,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-20 06:23:49,210 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:23:49,211 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-20 06:23:49,212 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-20 06:23:49,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:23:49,218 INFO L82 PathProgramCache]: Analyzing trace with hash 30885, now seen corresponding path program 1 times [2020-10-20 06:23:49,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:23:49,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140089122] [2020-10-20 06:23:49,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:23:49,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:23:49,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:23:49,403 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140089122] [2020-10-20 06:23:49,404 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:23:49,405 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 06:23:49,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117685443] [2020-10-20 06:23:49,411 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 06:23:49,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:23:49,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 06:23:49,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 06:23:49,430 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 4 states. [2020-10-20 06:23:49,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:23:49,604 INFO L93 Difference]: Finished difference Result 53 states and 62 transitions. [2020-10-20 06:23:49,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 06:23:49,606 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2020-10-20 06:23:49,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:23:49,617 INFO L225 Difference]: With dead ends: 53 [2020-10-20 06:23:49,618 INFO L226 Difference]: Without dead ends: 35 [2020-10-20 06:23:49,621 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 06:23:49,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-20 06:23:49,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 21. [2020-10-20 06:23:49,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-10-20 06:23:49,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2020-10-20 06:23:49,664 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 3 [2020-10-20 06:23:49,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:23:49,665 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2020-10-20 06:23:49,665 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 06:23:49,665 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2020-10-20 06:23:49,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-20 06:23:49,666 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:23:49,666 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-20 06:23:49,666 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 06:23:49,667 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-20 06:23:49,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:23:49,667 INFO L82 PathProgramCache]: Analyzing trace with hash 957477, now seen corresponding path program 1 times [2020-10-20 06:23:49,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:23:49,668 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962592350] [2020-10-20 06:23:49,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:23:49,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:23:49,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:23:49,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962592350] [2020-10-20 06:23:49,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:23:49,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 06:23:49,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823403615] [2020-10-20 06:23:49,705 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 06:23:49,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:23:49,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 06:23:49,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 06:23:49,706 INFO L87 Difference]: Start difference. First operand 21 states and 23 transitions. Second operand 4 states. [2020-10-20 06:23:49,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:23:49,894 INFO L93 Difference]: Finished difference Result 47 states and 57 transitions. [2020-10-20 06:23:49,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 06:23:49,895 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2020-10-20 06:23:49,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:23:49,897 INFO L225 Difference]: With dead ends: 47 [2020-10-20 06:23:49,897 INFO L226 Difference]: Without dead ends: 45 [2020-10-20 06:23:49,898 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 06:23:49,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-20 06:23:49,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 30. [2020-10-20 06:23:49,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-20 06:23:49,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-10-20 06:23:49,907 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 4 [2020-10-20 06:23:49,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:23:49,908 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-10-20 06:23:49,908 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 06:23:49,908 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-10-20 06:23:49,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-20 06:23:49,909 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:23:49,909 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:23:49,910 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 06:23:49,910 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-20 06:23:49,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:23:49,911 INFO L82 PathProgramCache]: Analyzing trace with hash -511748973, now seen corresponding path program 1 times [2020-10-20 06:23:49,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:23:49,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72551288] [2020-10-20 06:23:49,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:23:49,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:23:49,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:23:49,960 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72551288] [2020-10-20 06:23:49,960 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:23:49,960 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 06:23:49,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406121840] [2020-10-20 06:23:49,961 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 06:23:49,961 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:23:49,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 06:23:49,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-20 06:23:49,962 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 5 states. [2020-10-20 06:23:50,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:23:50,107 INFO L93 Difference]: Finished difference Result 79 states and 101 transitions. [2020-10-20 06:23:50,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 06:23:50,108 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2020-10-20 06:23:50,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:23:50,110 INFO L225 Difference]: With dead ends: 79 [2020-10-20 06:23:50,110 INFO L226 Difference]: Without dead ends: 78 [2020-10-20 06:23:50,111 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-20 06:23:50,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-10-20 06:23:50,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 65. [2020-10-20 06:23:50,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-10-20 06:23:50,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 93 transitions. [2020-10-20 06:23:50,126 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 93 transitions. Word has length 8 [2020-10-20 06:23:50,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:23:50,126 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 93 transitions. [2020-10-20 06:23:50,128 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 06:23:50,128 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2020-10-20 06:23:50,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-20 06:23:50,130 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:23:50,130 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:23:50,131 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 06:23:50,131 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-20 06:23:50,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:23:50,132 INFO L82 PathProgramCache]: Analyzing trace with hash -511749165, now seen corresponding path program 1 times [2020-10-20 06:23:50,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:23:50,134 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671208246] [2020-10-20 06:23:50,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:23:50,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:23:50,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:23:50,203 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671208246] [2020-10-20 06:23:50,204 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:23:50,204 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 06:23:50,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320297124] [2020-10-20 06:23:50,204 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 06:23:50,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:23:50,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 06:23:50,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-20 06:23:50,206 INFO L87 Difference]: Start difference. First operand 65 states and 93 transitions. Second operand 4 states. [2020-10-20 06:23:50,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:23:50,282 INFO L93 Difference]: Finished difference Result 96 states and 130 transitions. [2020-10-20 06:23:50,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 06:23:50,283 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-10-20 06:23:50,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:23:50,283 INFO L225 Difference]: With dead ends: 96 [2020-10-20 06:23:50,284 INFO L226 Difference]: Without dead ends: 51 [2020-10-20 06:23:50,285 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-20 06:23:50,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-10-20 06:23:50,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 42. [2020-10-20 06:23:50,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-20 06:23:50,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 52 transitions. [2020-10-20 06:23:50,293 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 52 transitions. Word has length 8 [2020-10-20 06:23:50,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:23:50,293 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 52 transitions. [2020-10-20 06:23:50,293 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 06:23:50,294 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2020-10-20 06:23:50,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-20 06:23:50,294 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:23:50,295 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:23:50,295 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 06:23:50,295 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-20 06:23:50,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:23:50,296 INFO L82 PathProgramCache]: Analyzing trace with hash 1315651091, now seen corresponding path program 1 times [2020-10-20 06:23:50,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:23:50,297 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880332361] [2020-10-20 06:23:50,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:23:50,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:23:50,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:23:50,323 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880332361] [2020-10-20 06:23:50,323 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:23:50,323 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 06:23:50,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494950754] [2020-10-20 06:23:50,324 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 06:23:50,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:23:50,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 06:23:50,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:23:50,325 INFO L87 Difference]: Start difference. First operand 42 states and 52 transitions. Second operand 3 states. [2020-10-20 06:23:50,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:23:50,354 INFO L93 Difference]: Finished difference Result 42 states and 52 transitions. [2020-10-20 06:23:50,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 06:23:50,355 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-20 06:23:50,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:23:50,355 INFO L225 Difference]: With dead ends: 42 [2020-10-20 06:23:50,355 INFO L226 Difference]: Without dead ends: 41 [2020-10-20 06:23:50,356 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:23:50,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-10-20 06:23:50,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-10-20 06:23:50,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-10-20 06:23:50,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 50 transitions. [2020-10-20 06:23:50,364 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 50 transitions. Word has length 9 [2020-10-20 06:23:50,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:23:50,364 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 50 transitions. [2020-10-20 06:23:50,364 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 06:23:50,364 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2020-10-20 06:23:50,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-20 06:23:50,365 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:23:50,365 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:23:50,366 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 06:23:50,366 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-20 06:23:50,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:23:50,367 INFO L82 PathProgramCache]: Analyzing trace with hash -2115076497, now seen corresponding path program 1 times [2020-10-20 06:23:50,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:23:50,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718630740] [2020-10-20 06:23:50,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:23:50,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:23:50,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:23:50,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718630740] [2020-10-20 06:23:50,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:23:50,414 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 06:23:50,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483324714] [2020-10-20 06:23:50,415 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 06:23:50,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:23:50,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 06:23:50,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-20 06:23:50,416 INFO L87 Difference]: Start difference. First operand 41 states and 50 transitions. Second operand 4 states. [2020-10-20 06:23:50,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:23:50,474 INFO L93 Difference]: Finished difference Result 75 states and 91 transitions. [2020-10-20 06:23:50,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 06:23:50,475 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-20 06:23:50,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:23:50,476 INFO L225 Difference]: With dead ends: 75 [2020-10-20 06:23:50,476 INFO L226 Difference]: Without dead ends: 40 [2020-10-20 06:23:50,477 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-20 06:23:50,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-10-20 06:23:50,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 35. [2020-10-20 06:23:50,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-20 06:23:50,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions. [2020-10-20 06:23:50,483 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 40 transitions. Word has length 10 [2020-10-20 06:23:50,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:23:50,484 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 40 transitions. [2020-10-20 06:23:50,484 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 06:23:50,484 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2020-10-20 06:23:50,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-20 06:23:50,485 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:23:50,485 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:23:50,485 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-20 06:23:50,486 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-20 06:23:50,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:23:50,486 INFO L82 PathProgramCache]: Analyzing trace with hash -2115076689, now seen corresponding path program 1 times [2020-10-20 06:23:50,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:23:50,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871186238] [2020-10-20 06:23:50,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:23:50,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:23:50,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:23:50,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871186238] [2020-10-20 06:23:50,532 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:23:50,532 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 06:23:50,533 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269553336] [2020-10-20 06:23:50,533 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 06:23:50,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:23:50,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 06:23:50,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-20 06:23:50,534 INFO L87 Difference]: Start difference. First operand 35 states and 40 transitions. Second operand 5 states. [2020-10-20 06:23:50,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:23:50,638 INFO L93 Difference]: Finished difference Result 54 states and 60 transitions. [2020-10-20 06:23:50,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 06:23:50,638 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-10-20 06:23:50,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:23:50,639 INFO L225 Difference]: With dead ends: 54 [2020-10-20 06:23:50,639 INFO L226 Difference]: Without dead ends: 53 [2020-10-20 06:23:50,640 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-20 06:23:50,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-10-20 06:23:50,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 44. [2020-10-20 06:23:50,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-10-20 06:23:50,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 52 transitions. [2020-10-20 06:23:50,646 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 52 transitions. Word has length 10 [2020-10-20 06:23:50,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:23:50,647 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 52 transitions. [2020-10-20 06:23:50,647 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 06:23:50,647 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2020-10-20 06:23:50,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-20 06:23:50,647 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:23:50,648 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:23:50,648 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-20 06:23:50,648 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-20 06:23:50,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:23:50,648 INFO L82 PathProgramCache]: Analyzing trace with hash -1142867855, now seen corresponding path program 1 times [2020-10-20 06:23:50,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:23:50,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888827516] [2020-10-20 06:23:50,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:23:50,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:23:50,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:23:50,672 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888827516] [2020-10-20 06:23:50,673 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:23:50,673 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 06:23:50,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352315435] [2020-10-20 06:23:50,673 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 06:23:50,674 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:23:50,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 06:23:50,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:23:50,674 INFO L87 Difference]: Start difference. First operand 44 states and 52 transitions. Second operand 3 states. [2020-10-20 06:23:50,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:23:50,697 INFO L93 Difference]: Finished difference Result 44 states and 52 transitions. [2020-10-20 06:23:50,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 06:23:50,698 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-20 06:23:50,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:23:50,698 INFO L225 Difference]: With dead ends: 44 [2020-10-20 06:23:50,698 INFO L226 Difference]: Without dead ends: 43 [2020-10-20 06:23:50,699 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:23:50,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-20 06:23:50,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-10-20 06:23:50,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-20 06:23:50,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 50 transitions. [2020-10-20 06:23:50,704 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 50 transitions. Word has length 11 [2020-10-20 06:23:50,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:23:50,705 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 50 transitions. [2020-10-20 06:23:50,705 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 06:23:50,705 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 50 transitions. [2020-10-20 06:23:50,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-20 06:23:50,706 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:23:50,706 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:23:50,706 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-20 06:23:50,706 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-20 06:23:50,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:23:50,707 INFO L82 PathProgramCache]: Analyzing trace with hash 1620314709, now seen corresponding path program 1 times [2020-10-20 06:23:50,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:23:50,707 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243760075] [2020-10-20 06:23:50,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:23:50,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:23:50,747 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:23:50,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243760075] [2020-10-20 06:23:50,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:23:50,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 06:23:50,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957035274] [2020-10-20 06:23:50,749 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 06:23:50,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:23:50,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 06:23:50,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 06:23:50,750 INFO L87 Difference]: Start difference. First operand 43 states and 50 transitions. Second operand 5 states. [2020-10-20 06:23:50,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:23:50,831 INFO L93 Difference]: Finished difference Result 56 states and 65 transitions. [2020-10-20 06:23:50,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 06:23:50,834 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-10-20 06:23:50,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:23:50,835 INFO L225 Difference]: With dead ends: 56 [2020-10-20 06:23:50,835 INFO L226 Difference]: Without dead ends: 23 [2020-10-20 06:23:50,836 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-10-20 06:23:50,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-10-20 06:23:50,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-10-20 06:23:50,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-10-20 06:23:50,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2020-10-20 06:23:50,847 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 11 [2020-10-20 06:23:50,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:23:50,848 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2020-10-20 06:23:50,848 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 06:23:50,849 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2020-10-20 06:23:50,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-20 06:23:50,850 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:23:50,851 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:23:50,851 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-20 06:23:50,851 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-20 06:23:50,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:23:50,852 INFO L82 PathProgramCache]: Analyzing trace with hash -1069165097, now seen corresponding path program 1 times [2020-10-20 06:23:50,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:23:50,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215854721] [2020-10-20 06:23:50,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:23:50,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:23:50,946 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:23:50,946 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215854721] [2020-10-20 06:23:50,946 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:23:50,947 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 06:23:50,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353134471] [2020-10-20 06:23:50,947 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 06:23:50,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:23:50,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 06:23:50,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 06:23:50,948 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand 5 states. [2020-10-20 06:23:51,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:23:51,009 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2020-10-20 06:23:51,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 06:23:51,010 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-10-20 06:23:51,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:23:51,011 INFO L225 Difference]: With dead ends: 28 [2020-10-20 06:23:51,011 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 06:23:51,012 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-10-20 06:23:51,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 06:23:51,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 06:23:51,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 06:23:51,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 06:23:51,013 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2020-10-20 06:23:51,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:23:51,013 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:23:51,016 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 06:23:51,016 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 06:23:51,016 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 06:23:51,016 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-20 06:23:51,019 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 06:23:51,116 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2020-10-20 06:23:51,116 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 06:23:51,116 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2020-10-20 06:23:51,116 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2020-10-20 06:23:51,116 INFO L274 CegarLoopResult]: For program point L19(lines 19 23) no Hoare annotation was computed. [2020-10-20 06:23:51,116 INFO L274 CegarLoopResult]: For program point L17(lines 17 25) no Hoare annotation was computed. [2020-10-20 06:23:51,117 INFO L270 CegarLoopResult]: At program point L19-2(lines 18 24) the Hoare annotation is: (and (<= ULTIMATE.start_main_~x~0 2147483647) (<= 0 ULTIMATE.start_main_~y~0) (<= 0 ULTIMATE.start_main_~x~0) (<= ULTIMATE.start_main_~y~0 2147483647)) [2020-10-20 06:23:51,117 INFO L274 CegarLoopResult]: For program point L17-1(lines 17 25) no Hoare annotation was computed. [2020-10-20 06:23:51,117 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2020-10-20 06:23:51,117 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2020-10-20 06:23:51,118 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2020-10-20 06:23:51,118 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 06:23:51,118 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2020-10-20 06:23:51,118 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 06:23:51,119 INFO L270 CegarLoopResult]: At program point L26(lines 13 27) the Hoare annotation is: (or (<= ULTIMATE.start_main_~x~0 2147483647) (<= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~y~0 2147483647))) [2020-10-20 06:23:51,119 INFO L274 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-20 06:23:51,120 INFO L274 CegarLoopResult]: For program point L22-1(line 22) no Hoare annotation was computed. [2020-10-20 06:23:51,120 INFO L274 CegarLoopResult]: For program point L20(line 20) no Hoare annotation was computed. [2020-10-20 06:23:51,120 INFO L274 CegarLoopResult]: For program point L20-1(line 20) no Hoare annotation was computed. [2020-10-20 06:23:51,120 INFO L274 CegarLoopResult]: For program point L18-1(line 18) no Hoare annotation was computed. [2020-10-20 06:23:51,121 INFO L274 CegarLoopResult]: For program point L18-2(line 18) no Hoare annotation was computed. [2020-10-20 06:23:51,121 INFO L274 CegarLoopResult]: For program point L18-4(line 18) no Hoare annotation was computed. [2020-10-20 06:23:51,121 INFO L274 CegarLoopResult]: For program point L18-5(line 18) no Hoare annotation was computed. [2020-10-20 06:23:51,121 INFO L274 CegarLoopResult]: For program point L18-6(lines 18 24) no Hoare annotation was computed. [2020-10-20 06:23:51,122 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2020-10-20 06:23:51,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 06:23:51 BoogieIcfgContainer [2020-10-20 06:23:51,144 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 06:23:51,144 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:23:51,144 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:23:51,144 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:23:51,145 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:23:49" (3/4) ... [2020-10-20 06:23:51,148 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 06:23:51,157 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-10-20 06:23:51,158 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 06:23:51,203 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 06:23:51,203 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:23:51,206 INFO L168 Benchmark]: Toolchain (without parser) took 2656.72 ms. Allocated memory was 40.4 MB in the beginning and 49.3 MB in the end (delta: 8.9 MB). Free memory was 16.8 MB in the beginning and 24.4 MB in the end (delta: -7.6 MB). Peak memory consumption was 1.3 MB. Max. memory is 14.3 GB. [2020-10-20 06:23:51,207 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 30.4 MB. Free memory was 16.3 MB in the beginning and 16.3 MB in the end (delta: 28.3 kB). Peak memory consumption was 28.3 kB. Max. memory is 14.3 GB. [2020-10-20 06:23:51,208 INFO L168 Benchmark]: CACSL2BoogieTranslator took 249.11 ms. Allocated memory was 40.4 MB in the beginning and 40.9 MB in the end (delta: 524.3 kB). Free memory was 15.9 MB in the beginning and 15.5 MB in the end (delta: 467.5 kB). Peak memory consumption was 6.9 MB. Max. memory is 14.3 GB. [2020-10-20 06:23:51,209 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.77 ms. Allocated memory is still 40.9 MB. Free memory was 15.5 MB in the beginning and 13.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:23:51,209 INFO L168 Benchmark]: Boogie Preprocessor took 19.90 ms. Allocated memory is still 40.9 MB. Free memory was 13.9 MB in the beginning and 12.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:23:51,210 INFO L168 Benchmark]: RCFGBuilder took 269.28 ms. Allocated memory was 40.9 MB in the beginning and 42.5 MB in the end (delta: 1.6 MB). Free memory was 12.7 MB in the beginning and 16.5 MB in the end (delta: -3.8 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.3 GB. [2020-10-20 06:23:51,211 INFO L168 Benchmark]: TraceAbstraction took 2021.63 ms. Allocated memory was 42.5 MB in the beginning and 49.3 MB in the end (delta: 6.8 MB). Free memory was 15.9 MB in the beginning and 27.5 MB in the end (delta: -11.6 MB). Peak memory consumption was 11.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:23:51,212 INFO L168 Benchmark]: Witness Printer took 59.21 ms. Allocated memory is still 49.3 MB. Free memory was 27.0 MB in the beginning and 24.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:23:51,217 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 30.4 MB. Free memory was 16.3 MB in the beginning and 16.3 MB in the end (delta: 28.3 kB). Peak memory consumption was 28.3 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 249.11 ms. Allocated memory was 40.4 MB in the beginning and 40.9 MB in the end (delta: 524.3 kB). Free memory was 15.9 MB in the beginning and 15.5 MB in the end (delta: 467.5 kB). Peak memory consumption was 6.9 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 26.77 ms. Allocated memory is still 40.9 MB. Free memory was 15.5 MB in the beginning and 13.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 19.90 ms. Allocated memory is still 40.9 MB. Free memory was 13.9 MB in the beginning and 12.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 14.3 GB. * RCFGBuilder took 269.28 ms. Allocated memory was 40.9 MB in the beginning and 42.5 MB in the end (delta: 1.6 MB). Free memory was 12.7 MB in the beginning and 16.5 MB in the end (delta: -3.8 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.3 GB. * TraceAbstraction took 2021.63 ms. Allocated memory was 42.5 MB in the beginning and 49.3 MB in the end (delta: 6.8 MB). Free memory was 15.9 MB in the beginning and 27.5 MB in the end (delta: -11.6 MB). Peak memory consumption was 11.5 MB. Max. memory is 14.3 GB. * Witness Printer took 59.21 ms. Allocated memory is still 49.3 MB. Free memory was 27.0 MB in the beginning and 24.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: x <= 2147483647 || x <= y + 2147483647 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: ((x <= 2147483647 && 0 <= y) && 0 <= x) && y <= 2147483647 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 25 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.8s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 87 SDtfs, 260 SDslu, 39 SDs, 0 SdLazy, 342 SolverSat, 64 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 65 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 8 NumberOfFragments, 22 HoareAnnotationTreeSize, 2 FomulaSimplifications, 39 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 51 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 2067 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...