./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem14_label17.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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/eca-rers2012/Problem14_label17.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cd463066ba060c132ded22d794f7bc089f278cca ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-19 23:27:43,925 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 23:27:43,927 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 23:27:43,951 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 23:27:43,952 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 23:27:43,953 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 23:27:43,955 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 23:27:43,957 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 23:27:43,970 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 23:27:43,971 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 23:27:43,972 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 23:27:43,973 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 23:27:43,973 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 23:27:43,974 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 23:27:43,978 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 23:27:43,979 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 23:27:43,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 23:27:43,984 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 23:27:43,988 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 23:27:43,993 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 23:27:43,995 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 23:27:43,998 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 23:27:44,000 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 23:27:44,002 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 23:27:44,007 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 23:27:44,008 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 23:27:44,008 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 23:27:44,009 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 23:27:44,011 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 23:27:44,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 23:27:44,014 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 23:27:44,019 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 23:27:44,020 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 23:27:44,022 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 23:27:44,025 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 23:27:44,027 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 23:27:44,028 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 23:27:44,028 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 23:27:44,029 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 23:27:44,031 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 23:27:44,032 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 23:27:44,034 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-19 23:27:44,076 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 23:27:44,077 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 23:27:44,079 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 23:27:44,079 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 23:27:44,080 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 23:27:44,080 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 23:27:44,080 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 23:27:44,081 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 23:27:44,081 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 23:27:44,081 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 23:27:44,082 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 23:27:44,083 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 23:27:44,083 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 23:27:44,083 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 23:27:44,084 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 23:27:44,084 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 23:27:44,084 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 23:27:44,084 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 23:27:44,085 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 23:27:44,085 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 23:27:44,085 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 23:27:44,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 23:27:44,086 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 23:27:44,086 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 23:27:44,086 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 23:27:44,086 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 23:27:44,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 23:27:44,087 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 23:27:44,087 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 23:27:44,087 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 ! call(reach_error())) ) 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd463066ba060c132ded22d794f7bc089f278cca [2020-10-19 23:27:44,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 23:27:44,333 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 23:27:44,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 23:27:44,338 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 23:27:44,339 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 23:27:44,340 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem14_label17.c [2020-10-19 23:27:44,407 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/018f73481/70c70bea190b44d188995555559790df/FLAG31ad9e1bc [2020-10-19 23:27:45,005 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 23:27:45,006 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem14_label17.c [2020-10-19 23:27:45,019 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/018f73481/70c70bea190b44d188995555559790df/FLAG31ad9e1bc [2020-10-19 23:27:45,220 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/018f73481/70c70bea190b44d188995555559790df [2020-10-19 23:27:45,224 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 23:27:45,230 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 23:27:45,235 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 23:27:45,235 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 23:27:45,239 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 23:27:45,240 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 11:27:45" (1/1) ... [2020-10-19 23:27:45,244 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fb85934 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:27:45, skipping insertion in model container [2020-10-19 23:27:45,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 11:27:45" (1/1) ... [2020-10-19 23:27:45,255 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 23:27:45,323 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 23:27:45,872 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 23:27:45,895 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 23:27:46,079 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 23:27:46,109 INFO L208 MainTranslator]: Completed translation [2020-10-19 23:27:46,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:27:46 WrapperNode [2020-10-19 23:27:46,111 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 23:27:46,112 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 23:27:46,113 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 23:27:46,113 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 23:27:46,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:27:46" (1/1) ... [2020-10-19 23:27:46,163 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:27:46" (1/1) ... [2020-10-19 23:27:46,273 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 23:27:46,274 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 23:27:46,274 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 23:27:46,275 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 23:27:46,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:27:46" (1/1) ... [2020-10-19 23:27:46,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:27:46" (1/1) ... [2020-10-19 23:27:46,300 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:27:46" (1/1) ... [2020-10-19 23:27:46,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:27:46" (1/1) ... [2020-10-19 23:27:46,360 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:27:46" (1/1) ... [2020-10-19 23:27:46,380 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:27:46" (1/1) ... [2020-10-19 23:27:46,402 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:27:46" (1/1) ... [2020-10-19 23:27:46,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 23:27:46,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 23:27:46,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 23:27:46,418 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 23:27:46,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:27:46" (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 [2020-10-19 23:27:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 23:27:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 23:27:46,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 23:27:46,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 23:27:48,057 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 23:27:48,058 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 23:27:48,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:27:48 BoogieIcfgContainer [2020-10-19 23:27:48,060 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 23:27:48,061 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 23:27:48,062 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 23:27:48,065 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 23:27:48,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 11:27:45" (1/3) ... [2020-10-19 23:27:48,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66de7c28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 11:27:48, skipping insertion in model container [2020-10-19 23:27:48,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:27:46" (2/3) ... [2020-10-19 23:27:48,067 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66de7c28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 11:27:48, skipping insertion in model container [2020-10-19 23:27:48,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:27:48" (3/3) ... [2020-10-19 23:27:48,070 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label17.c [2020-10-19 23:27:48,081 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 23:27:48,090 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-19 23:27:48,104 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-19 23:27:48,132 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 23:27:48,132 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 23:27:48,132 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 23:27:48,133 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 23:27:48,133 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 23:27:48,133 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 23:27:48,133 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 23:27:48,134 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 23:27:48,156 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states. [2020-10-19 23:27:48,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-19 23:27:48,166 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:27:48,168 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:27:48,168 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:27:48,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:27:48,173 INFO L82 PathProgramCache]: Analyzing trace with hash -2158734, now seen corresponding path program 1 times [2020-10-19 23:27:48,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:27:48,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111080288] [2020-10-19 23:27:48,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:27:48,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:27:48,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:27:48,495 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111080288] [2020-10-19 23:27:48,496 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:27:48,496 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:27:48,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484109297] [2020-10-19 23:27:48,503 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:27:48,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:27:48,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:27:48,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:27:48,521 INFO L87 Difference]: Start difference. First operand 246 states. Second operand 3 states. [2020-10-19 23:27:49,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:27:49,909 INFO L93 Difference]: Finished difference Result 686 states and 1217 transitions. [2020-10-19 23:27:49,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:27:49,911 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2020-10-19 23:27:49,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:27:49,928 INFO L225 Difference]: With dead ends: 686 [2020-10-19 23:27:49,929 INFO L226 Difference]: Without dead ends: 360 [2020-10-19 23:27:49,934 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 [2020-10-19 23:27:49,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-10-19 23:27:49,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2020-10-19 23:27:50,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-10-19 23:27:50,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 510 transitions. [2020-10-19 23:27:50,005 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 510 transitions. Word has length 56 [2020-10-19 23:27:50,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:27:50,006 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 510 transitions. [2020-10-19 23:27:50,006 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:27:50,006 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 510 transitions. [2020-10-19 23:27:50,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-19 23:27:50,012 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:27:50,013 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:27:50,013 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 23:27:50,013 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:27:50,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:27:50,014 INFO L82 PathProgramCache]: Analyzing trace with hash 840733511, now seen corresponding path program 1 times [2020-10-19 23:27:50,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:27:50,014 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380262002] [2020-10-19 23:27:50,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:27:50,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:27:50,349 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:27:50,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380262002] [2020-10-19 23:27:50,350 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:27:50,351 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:27:50,351 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141733924] [2020-10-19 23:27:50,353 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:27:50,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:27:50,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:27:50,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:27:50,355 INFO L87 Difference]: Start difference. First operand 360 states and 510 transitions. Second operand 4 states. [2020-10-19 23:27:51,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:27:51,705 INFO L93 Difference]: Finished difference Result 1074 states and 1446 transitions. [2020-10-19 23:27:51,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:27:51,706 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 135 [2020-10-19 23:27:51,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:27:51,711 INFO L225 Difference]: With dead ends: 1074 [2020-10-19 23:27:51,711 INFO L226 Difference]: Without dead ends: 716 [2020-10-19 23:27:51,714 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:27:51,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2020-10-19 23:27:51,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 716. [2020-10-19 23:27:51,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2020-10-19 23:27:51,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 902 transitions. [2020-10-19 23:27:51,748 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 902 transitions. Word has length 135 [2020-10-19 23:27:51,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:27:51,749 INFO L481 AbstractCegarLoop]: Abstraction has 716 states and 902 transitions. [2020-10-19 23:27:51,750 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:27:51,750 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 902 transitions. [2020-10-19 23:27:51,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-19 23:27:51,759 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:27:51,760 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:27:51,760 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-19 23:27:51,760 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:27:51,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:27:51,761 INFO L82 PathProgramCache]: Analyzing trace with hash 1862010694, now seen corresponding path program 1 times [2020-10-19 23:27:51,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:27:51,761 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035858001] [2020-10-19 23:27:51,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:27:51,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:27:51,949 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:27:51,950 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035858001] [2020-10-19 23:27:51,950 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:27:51,951 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:27:51,951 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914728267] [2020-10-19 23:27:51,952 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:27:51,952 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:27:51,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:27:51,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:27:51,953 INFO L87 Difference]: Start difference. First operand 716 states and 902 transitions. Second operand 3 states. [2020-10-19 23:27:52,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:27:52,901 INFO L93 Difference]: Finished difference Result 1964 states and 2499 transitions. [2020-10-19 23:27:52,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:27:52,902 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2020-10-19 23:27:52,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:27:52,911 INFO L225 Difference]: With dead ends: 1964 [2020-10-19 23:27:52,912 INFO L226 Difference]: Without dead ends: 1250 [2020-10-19 23:27:52,913 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:27:52,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2020-10-19 23:27:52,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1250. [2020-10-19 23:27:52,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1250 states. [2020-10-19 23:27:52,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1544 transitions. [2020-10-19 23:27:52,943 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1544 transitions. Word has length 161 [2020-10-19 23:27:52,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:27:52,944 INFO L481 AbstractCegarLoop]: Abstraction has 1250 states and 1544 transitions. [2020-10-19 23:27:52,944 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:27:52,944 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1544 transitions. [2020-10-19 23:27:52,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-10-19 23:27:52,950 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:27:52,950 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:27:52,950 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-19 23:27:52,951 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:27:52,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:27:52,951 INFO L82 PathProgramCache]: Analyzing trace with hash -516766469, now seen corresponding path program 1 times [2020-10-19 23:27:52,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:27:52,952 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415099348] [2020-10-19 23:27:52,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:27:52,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:27:53,234 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-10-19 23:27:53,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415099348] [2020-10-19 23:27:53,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:27:53,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:27:53,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535181280] [2020-10-19 23:27:53,237 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:27:53,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:27:53,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:27:53,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:27:53,240 INFO L87 Difference]: Start difference. First operand 1250 states and 1544 transitions. Second operand 4 states. [2020-10-19 23:27:54,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:27:54,308 INFO L93 Difference]: Finished difference Result 2705 states and 3353 transitions. [2020-10-19 23:27:54,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:27:54,309 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 215 [2020-10-19 23:27:54,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:27:54,321 INFO L225 Difference]: With dead ends: 2705 [2020-10-19 23:27:54,322 INFO L226 Difference]: Without dead ends: 1606 [2020-10-19 23:27:54,326 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:27:54,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2020-10-19 23:27:54,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1606. [2020-10-19 23:27:54,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1606 states. [2020-10-19 23:27:54,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 1801 transitions. [2020-10-19 23:27:54,365 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 1801 transitions. Word has length 215 [2020-10-19 23:27:54,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:27:54,366 INFO L481 AbstractCegarLoop]: Abstraction has 1606 states and 1801 transitions. [2020-10-19 23:27:54,367 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:27:54,367 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1801 transitions. [2020-10-19 23:27:54,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2020-10-19 23:27:54,373 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:27:54,373 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:27:54,374 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-19 23:27:54,374 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:27:54,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:27:54,375 INFO L82 PathProgramCache]: Analyzing trace with hash 842944232, now seen corresponding path program 1 times [2020-10-19 23:27:54,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:27:54,375 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139274238] [2020-10-19 23:27:54,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:27:54,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:27:55,007 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 209 proven. 130 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-10-19 23:27:55,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139274238] [2020-10-19 23:27:55,009 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [590375558] [2020-10-19 23:27:55,009 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 [2020-10-19 23:27:55,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:27:55,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:27:55,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:27:55,519 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2020-10-19 23:27:55,520 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:27:55,521 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2020-10-19 23:27:55,521 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755537730] [2020-10-19 23:27:55,522 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:27:55,522 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:27:55,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:27:55,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-19 23:27:55,524 INFO L87 Difference]: Start difference. First operand 1606 states and 1801 transitions. Second operand 3 states. [2020-10-19 23:27:56,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:27:56,352 INFO L93 Difference]: Finished difference Result 3388 states and 3901 transitions. [2020-10-19 23:27:56,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:27:56,353 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 342 [2020-10-19 23:27:56,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:27:56,363 INFO L225 Difference]: With dead ends: 3388 [2020-10-19 23:27:56,363 INFO L226 Difference]: Without dead ends: 1962 [2020-10-19 23:27:56,366 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-19 23:27:56,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2020-10-19 23:27:56,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1784. [2020-10-19 23:27:56,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1784 states. [2020-10-19 23:27:56,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1784 states and 2018 transitions. [2020-10-19 23:27:56,419 INFO L78 Accepts]: Start accepts. Automaton has 1784 states and 2018 transitions. Word has length 342 [2020-10-19 23:27:56,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:27:56,421 INFO L481 AbstractCegarLoop]: Abstraction has 1784 states and 2018 transitions. [2020-10-19 23:27:56,421 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:27:56,421 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 2018 transitions. [2020-10-19 23:27:56,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2020-10-19 23:27:56,427 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:27:56,427 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:27:56,643 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:27:56,644 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:27:56,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:27:56,645 INFO L82 PathProgramCache]: Analyzing trace with hash -217626146, now seen corresponding path program 1 times [2020-10-19 23:27:56,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:27:56,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797207401] [2020-10-19 23:27:56,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:27:56,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:27:57,343 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 292 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:27:57,344 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797207401] [2020-10-19 23:27:57,344 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929616640] [2020-10-19 23:27:57,346 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 [2020-10-19 23:27:57,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:27:57,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:27:57,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:27:57,676 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2020-10-19 23:27:57,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:27:57,677 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-10-19 23:27:57,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543082175] [2020-10-19 23:27:57,678 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:27:57,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:27:57,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:27:57,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:27:57,680 INFO L87 Difference]: Start difference. First operand 1784 states and 2018 transitions. Second operand 3 states. [2020-10-19 23:27:58,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:27:58,338 INFO L93 Difference]: Finished difference Result 2320 states and 2616 transitions. [2020-10-19 23:27:58,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:27:58,339 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 346 [2020-10-19 23:27:58,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:27:58,352 INFO L225 Difference]: With dead ends: 2320 [2020-10-19 23:27:58,352 INFO L226 Difference]: Without dead ends: 2318 [2020-10-19 23:27:58,354 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:27:58,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2318 states. [2020-10-19 23:27:58,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2318 to 1962. [2020-10-19 23:27:58,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1962 states. [2020-10-19 23:27:58,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2232 transitions. [2020-10-19 23:27:58,403 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2232 transitions. Word has length 346 [2020-10-19 23:27:58,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:27:58,412 INFO L481 AbstractCegarLoop]: Abstraction has 1962 states and 2232 transitions. [2020-10-19 23:27:58,412 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:27:58,412 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2232 transitions. [2020-10-19 23:27:58,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2020-10-19 23:27:58,423 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:27:58,424 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:27:58,638 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:27:58,639 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:27:58,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:27:58,639 INFO L82 PathProgramCache]: Analyzing trace with hash -1988080208, now seen corresponding path program 1 times [2020-10-19 23:27:58,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:27:58,640 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885690937] [2020-10-19 23:27:58,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:27:58,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:27:59,320 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 629 proven. 130 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-10-19 23:27:59,321 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885690937] [2020-10-19 23:27:59,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1480742585] [2020-10-19 23:27:59,322 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 [2020-10-19 23:27:59,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:27:59,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 625 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:27:59,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:27:59,624 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 598 trivial. 0 not checked. [2020-10-19 23:27:59,625 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:27:59,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-10-19 23:27:59,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930442312] [2020-10-19 23:27:59,627 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:27:59,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:27:59,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:27:59,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:27:59,630 INFO L87 Difference]: Start difference. First operand 1962 states and 2232 transitions. Second operand 3 states. [2020-10-19 23:28:00,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:28:00,454 INFO L93 Difference]: Finished difference Result 4456 states and 5168 transitions. [2020-10-19 23:28:00,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:28:00,455 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 470 [2020-10-19 23:28:00,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:28:00,469 INFO L225 Difference]: With dead ends: 4456 [2020-10-19 23:28:00,469 INFO L226 Difference]: Without dead ends: 2674 [2020-10-19 23:28:00,472 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 474 GetRequests, 469 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:28:00,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2020-10-19 23:28:00,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2318. [2020-10-19 23:28:00,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2318 states. [2020-10-19 23:28:00,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 2678 transitions. [2020-10-19 23:28:00,527 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 2678 transitions. Word has length 470 [2020-10-19 23:28:00,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:28:00,528 INFO L481 AbstractCegarLoop]: Abstraction has 2318 states and 2678 transitions. [2020-10-19 23:28:00,529 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:28:00,529 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2678 transitions. [2020-10-19 23:28:00,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 541 [2020-10-19 23:28:00,542 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:28:00,543 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:28:00,758 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:28:00,759 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:28:00,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:28:00,760 INFO L82 PathProgramCache]: Analyzing trace with hash 6582273, now seen corresponding path program 1 times [2020-10-19 23:28:00,760 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:28:00,761 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323539516] [2020-10-19 23:28:00,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:28:00,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:28:01,688 INFO L134 CoverageAnalysis]: Checked inductivity of 847 backedges. 663 proven. 130 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-10-19 23:28:01,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323539516] [2020-10-19 23:28:01,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [54286979] [2020-10-19 23:28:01,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-10-19 23:28:01,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:28:01,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:28:01,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:28:02,117 INFO L134 CoverageAnalysis]: Checked inductivity of 847 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2020-10-19 23:28:02,118 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:28:02,118 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-10-19 23:28:02,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606321787] [2020-10-19 23:28:02,119 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:28:02,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:28:02,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:28:02,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:28:02,120 INFO L87 Difference]: Start difference. First operand 2318 states and 2678 transitions. Second operand 3 states. [2020-10-19 23:28:02,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:28:02,958 INFO L93 Difference]: Finished difference Result 5344 states and 6268 transitions. [2020-10-19 23:28:02,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:28:02,958 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 540 [2020-10-19 23:28:02,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:28:02,959 INFO L225 Difference]: With dead ends: 5344 [2020-10-19 23:28:02,960 INFO L226 Difference]: Without dead ends: 0 [2020-10-19 23:28:02,968 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 544 GetRequests, 539 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:28:02,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-19 23:28:02,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-19 23:28:02,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-19 23:28:02,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 23:28:02,970 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 540 [2020-10-19 23:28:02,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:28:02,970 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 23:28:02,970 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:28:02,970 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-19 23:28:02,971 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 23:28:03,182 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:28:03,186 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-19 23:28:03,295 INFO L274 CegarLoopResult]: For program point L696(lines 696 872) no Hoare annotation was computed. [2020-10-19 23:28:03,295 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-19 23:28:03,295 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-19 23:28:03,295 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-19 23:28:03,295 INFO L274 CegarLoopResult]: For program point L301(lines 301 872) no Hoare annotation was computed. [2020-10-19 23:28:03,296 INFO L274 CegarLoopResult]: For program point L434(lines 434 872) no Hoare annotation was computed. [2020-10-19 23:28:03,296 INFO L274 CegarLoopResult]: For program point L368(lines 368 872) no Hoare annotation was computed. [2020-10-19 23:28:03,296 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,296 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,296 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,296 INFO L274 CegarLoopResult]: For program point L237(lines 237 872) no Hoare annotation was computed. [2020-10-19 23:28:03,296 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-19 23:28:03,296 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-19 23:28:03,296 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-19 23:28:03,297 INFO L274 CegarLoopResult]: For program point L766(lines 766 872) no Hoare annotation was computed. [2020-10-19 23:28:03,297 INFO L274 CegarLoopResult]: For program point L634(lines 634 872) no Hoare annotation was computed. [2020-10-19 23:28:03,297 INFO L274 CegarLoopResult]: For program point L502(lines 502 872) no Hoare annotation was computed. [2020-10-19 23:28:03,297 INFO L274 CegarLoopResult]: For program point L833(lines 833 872) no Hoare annotation was computed. [2020-10-19 23:28:03,297 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,297 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,297 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,297 INFO L274 CegarLoopResult]: For program point L702(lines 702 872) no Hoare annotation was computed. [2020-10-19 23:28:03,297 INFO L274 CegarLoopResult]: For program point L570(lines 570 872) no Hoare annotation was computed. [2020-10-19 23:28:03,297 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-19 23:28:03,298 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-19 23:28:03,298 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-19 23:28:03,298 INFO L274 CegarLoopResult]: For program point L307(lines 307 872) no Hoare annotation was computed. [2020-10-19 23:28:03,298 INFO L274 CegarLoopResult]: For program point L440(lines 440 872) no Hoare annotation was computed. [2020-10-19 23:28:03,304 INFO L274 CegarLoopResult]: For program point L374(lines 374 872) no Hoare annotation was computed. [2020-10-19 23:28:03,304 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,304 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,305 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,305 INFO L274 CegarLoopResult]: For program point L243(lines 243 872) no Hoare annotation was computed. [2020-10-19 23:28:03,305 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-19 23:28:03,306 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-19 23:28:03,306 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-19 23:28:03,306 INFO L274 CegarLoopResult]: For program point L640(lines 640 872) no Hoare annotation was computed. [2020-10-19 23:28:03,306 INFO L274 CegarLoopResult]: For program point L508(lines 508 872) no Hoare annotation was computed. [2020-10-19 23:28:03,306 INFO L274 CegarLoopResult]: For program point L839(lines 839 872) no Hoare annotation was computed. [2020-10-19 23:28:03,306 INFO L274 CegarLoopResult]: For program point L773(lines 773 872) no Hoare annotation was computed. [2020-10-19 23:28:03,306 INFO L274 CegarLoopResult]: For program point L575(lines 575 872) no Hoare annotation was computed. [2020-10-19 23:28:03,306 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,307 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,307 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,307 INFO L274 CegarLoopResult]: For program point L708(lines 708 872) no Hoare annotation was computed. [2020-10-19 23:28:03,307 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-19 23:28:03,307 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-19 23:28:03,307 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-19 23:28:03,308 INFO L274 CegarLoopResult]: For program point L313(lines 313 872) no Hoare annotation was computed. [2020-10-19 23:28:03,308 INFO L274 CegarLoopResult]: For program point L446(lines 446 872) no Hoare annotation was computed. [2020-10-19 23:28:03,308 INFO L274 CegarLoopResult]: For program point L380(lines 380 872) no Hoare annotation was computed. [2020-10-19 23:28:03,308 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,308 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,309 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,309 INFO L274 CegarLoopResult]: For program point L249(lines 249 872) no Hoare annotation was computed. [2020-10-19 23:28:03,309 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-19 23:28:03,309 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-19 23:28:03,309 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-19 23:28:03,309 INFO L274 CegarLoopResult]: For program point L844(lines 844 872) no Hoare annotation was computed. [2020-10-19 23:28:03,309 INFO L274 CegarLoopResult]: For program point L646(lines 646 872) no Hoare annotation was computed. [2020-10-19 23:28:03,309 INFO L274 CegarLoopResult]: For program point L514(lines 514 872) no Hoare annotation was computed. [2020-10-19 23:28:03,310 INFO L274 CegarLoopResult]: For program point L779(lines 779 872) no Hoare annotation was computed. [2020-10-19 23:28:03,310 INFO L274 CegarLoopResult]: For program point L581(lines 581 872) no Hoare annotation was computed. [2020-10-19 23:28:03,310 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,310 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,310 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,310 INFO L274 CegarLoopResult]: For program point L714(lines 714 872) no Hoare annotation was computed. [2020-10-19 23:28:03,310 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-19 23:28:03,310 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-19 23:28:03,310 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-19 23:28:03,310 INFO L274 CegarLoopResult]: For program point L451(lines 451 872) no Hoare annotation was computed. [2020-10-19 23:28:03,310 INFO L274 CegarLoopResult]: For program point L319(lines 319 872) no Hoare annotation was computed. [2020-10-19 23:28:03,310 INFO L274 CegarLoopResult]: For program point L386(lines 386 872) no Hoare annotation was computed. [2020-10-19 23:28:03,311 INFO L274 CegarLoopResult]: For program point L254(lines 254 872) no Hoare annotation was computed. [2020-10-19 23:28:03,311 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,311 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,311 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,311 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-19 23:28:03,311 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-19 23:28:03,312 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-19 23:28:03,312 INFO L274 CegarLoopResult]: For program point L850(lines 850 872) no Hoare annotation was computed. [2020-10-19 23:28:03,312 INFO L274 CegarLoopResult]: For program point L652(lines 652 872) no Hoare annotation was computed. [2020-10-19 23:28:03,312 INFO L274 CegarLoopResult]: For program point L520(lines 520 872) no Hoare annotation was computed. [2020-10-19 23:28:03,312 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-19 23:28:03,312 INFO L274 CegarLoopResult]: For program point L785(lines 785 872) no Hoare annotation was computed. [2020-10-19 23:28:03,313 INFO L274 CegarLoopResult]: For program point L587(lines 587 872) no Hoare annotation was computed. [2020-10-19 23:28:03,313 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,313 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,313 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,313 INFO L274 CegarLoopResult]: For program point L720(lines 720 872) no Hoare annotation was computed. [2020-10-19 23:28:03,313 INFO L274 CegarLoopResult]: For program point L456(lines 456 872) no Hoare annotation was computed. [2020-10-19 23:28:03,313 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-19 23:28:03,313 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-19 23:28:03,313 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-19 23:28:03,314 INFO L274 CegarLoopResult]: For program point L325(lines 325 872) no Hoare annotation was computed. [2020-10-19 23:28:03,314 INFO L274 CegarLoopResult]: For program point L392(lines 392 872) no Hoare annotation was computed. [2020-10-19 23:28:03,314 INFO L274 CegarLoopResult]: For program point L260(lines 260 872) no Hoare annotation was computed. [2020-10-19 23:28:03,314 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,314 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,314 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,314 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-19 23:28:03,314 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-19 23:28:03,314 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-19 23:28:03,314 INFO L274 CegarLoopResult]: For program point L856(lines 856 872) no Hoare annotation was computed. [2020-10-19 23:28:03,314 INFO L274 CegarLoopResult]: For program point L658(lines 658 872) no Hoare annotation was computed. [2020-10-19 23:28:03,315 INFO L274 CegarLoopResult]: For program point L526(lines 526 872) no Hoare annotation was computed. [2020-10-19 23:28:03,315 INFO L274 CegarLoopResult]: For program point L791(lines 791 872) no Hoare annotation was computed. [2020-10-19 23:28:03,315 INFO L274 CegarLoopResult]: For program point L593(lines 593 872) no Hoare annotation was computed. [2020-10-19 23:28:03,315 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,315 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,315 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,315 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-19 23:28:03,315 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-19 23:28:03,316 INFO L274 CegarLoopResult]: For program point L726(lines 726 872) no Hoare annotation was computed. [2020-10-19 23:28:03,316 INFO L274 CegarLoopResult]: For program point L462(lines 462 872) no Hoare annotation was computed. [2020-10-19 23:28:03,316 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-19 23:28:03,316 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-19 23:28:03,316 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-19 23:28:03,316 INFO L274 CegarLoopResult]: For program point L331(lines 331 872) no Hoare annotation was computed. [2020-10-19 23:28:03,317 INFO L274 CegarLoopResult]: For program point L398(lines 398 872) no Hoare annotation was computed. [2020-10-19 23:28:03,317 INFO L274 CegarLoopResult]: For program point L266(lines 266 872) no Hoare annotation was computed. [2020-10-19 23:28:03,317 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,317 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,317 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,317 INFO L274 CegarLoopResult]: For program point L861(lines 861 872) no Hoare annotation was computed. [2020-10-19 23:28:03,317 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-19 23:28:03,317 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-19 23:28:03,317 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-19 23:28:03,318 INFO L274 CegarLoopResult]: For program point L664(lines 664 872) no Hoare annotation was computed. [2020-10-19 23:28:03,318 INFO L274 CegarLoopResult]: For program point L532(lines 532 872) no Hoare annotation was computed. [2020-10-19 23:28:03,318 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-19 23:28:03,318 INFO L274 CegarLoopResult]: For program point L797(lines 797 872) no Hoare annotation was computed. [2020-10-19 23:28:03,318 INFO L274 CegarLoopResult]: For program point L599(lines 599 872) no Hoare annotation was computed. [2020-10-19 23:28:03,318 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,318 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,318 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,318 INFO L274 CegarLoopResult]: For program point L732(lines 732 872) no Hoare annotation was computed. [2020-10-19 23:28:03,318 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-19 23:28:03,318 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-19 23:28:03,319 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-19 23:28:03,319 INFO L274 CegarLoopResult]: For program point L469(lines 469 872) no Hoare annotation was computed. [2020-10-19 23:28:03,319 INFO L274 CegarLoopResult]: For program point L337(lines 337 872) no Hoare annotation was computed. [2020-10-19 23:28:03,319 INFO L274 CegarLoopResult]: For program point L271(lines 271 872) no Hoare annotation was computed. [2020-10-19 23:28:03,319 INFO L274 CegarLoopResult]: For program point L404(lines 404 872) no Hoare annotation was computed. [2020-10-19 23:28:03,319 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,319 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,319 INFO L274 CegarLoopResult]: For program point L867(lines 867 872) no Hoare annotation was computed. [2020-10-19 23:28:03,319 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-19 23:28:03,319 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-19 23:28:03,319 INFO L274 CegarLoopResult]: For program point L670(lines 670 872) no Hoare annotation was computed. [2020-10-19 23:28:03,320 INFO L274 CegarLoopResult]: For program point L538(lines 538 872) no Hoare annotation was computed. [2020-10-19 23:28:03,320 INFO L274 CegarLoopResult]: For program point L803(lines 803 872) no Hoare annotation was computed. [2020-10-19 23:28:03,320 INFO L274 CegarLoopResult]: For program point L737(lines 737 872) no Hoare annotation was computed. [2020-10-19 23:28:03,320 INFO L274 CegarLoopResult]: For program point L605(lines 605 872) no Hoare annotation was computed. [2020-10-19 23:28:03,320 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,320 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,320 INFO L274 CegarLoopResult]: For program point L474(lines 474 872) no Hoare annotation was computed. [2020-10-19 23:28:03,320 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-19 23:28:03,320 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-19 23:28:03,320 INFO L274 CegarLoopResult]: For program point L343(lines 343 872) no Hoare annotation was computed. [2020-10-19 23:28:03,320 INFO L274 CegarLoopResult]: For program point L277(lines 277 872) no Hoare annotation was computed. [2020-10-19 23:28:03,321 INFO L274 CegarLoopResult]: For program point L410(lines 410 872) no Hoare annotation was computed. [2020-10-19 23:28:03,321 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,321 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,321 INFO L270 CegarLoopResult]: At program point L873(lines 22 874) the Hoare annotation is: (or (<= ~a21~0 7) (<= 6 ~a15~0) (<= 10 ~a21~0) (<= ~a12~0 80)) [2020-10-19 23:28:03,321 INFO L274 CegarLoopResult]: For program point L543(lines 543 872) no Hoare annotation was computed. [2020-10-19 23:28:03,321 INFO L274 CegarLoopResult]: For program point L213(lines 213 872) no Hoare annotation was computed. [2020-10-19 23:28:03,321 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-19 23:28:03,321 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-19 23:28:03,321 INFO L274 CegarLoopResult]: For program point L676(lines 676 872) no Hoare annotation was computed. [2020-10-19 23:28:03,322 INFO L274 CegarLoopResult]: For program point L809(lines 809 872) no Hoare annotation was computed. [2020-10-19 23:28:03,322 INFO L274 CegarLoopResult]: For program point L743(lines 743 872) no Hoare annotation was computed. [2020-10-19 23:28:03,322 INFO L274 CegarLoopResult]: For program point L611(lines 611 872) no Hoare annotation was computed. [2020-10-19 23:28:03,322 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,322 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,322 INFO L277 CegarLoopResult]: At program point L876(lines 876 892) the Hoare annotation is: true [2020-10-19 23:28:03,322 INFO L274 CegarLoopResult]: For program point L480(lines 480 872) no Hoare annotation was computed. [2020-10-19 23:28:03,322 INFO L274 CegarLoopResult]: For program point L282(lines 282 872) no Hoare annotation was computed. [2020-10-19 23:28:03,322 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-19 23:28:03,322 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-19 23:28:03,322 INFO L274 CegarLoopResult]: For program point L679(lines 679 872) no Hoare annotation was computed. [2020-10-19 23:28:03,323 INFO L274 CegarLoopResult]: For program point L349(lines 349 872) no Hoare annotation was computed. [2020-10-19 23:28:03,323 INFO L274 CegarLoopResult]: For program point L416(lines 416 872) no Hoare annotation was computed. [2020-10-19 23:28:03,323 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-19 23:28:03,323 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,323 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,323 INFO L274 CegarLoopResult]: For program point L549(lines 549 872) no Hoare annotation was computed. [2020-10-19 23:28:03,323 INFO L274 CegarLoopResult]: For program point L219(lines 219 872) no Hoare annotation was computed. [2020-10-19 23:28:03,323 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-19 23:28:03,323 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-19 23:28:03,323 INFO L274 CegarLoopResult]: For program point L749(lines 749 872) no Hoare annotation was computed. [2020-10-19 23:28:03,323 INFO L274 CegarLoopResult]: For program point L617(lines 617 872) no Hoare annotation was computed. [2020-10-19 23:28:03,324 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,324 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,324 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-19 23:28:03,324 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,324 INFO L274 CegarLoopResult]: For program point L816(lines 816 872) no Hoare annotation was computed. [2020-10-19 23:28:03,324 INFO L270 CegarLoopResult]: At program point L882-2(lines 882 891) the Hoare annotation is: (or (<= ~a21~0 7) (<= 6 ~a15~0) (<= 10 ~a21~0) (<= ~a12~0 80)) [2020-10-19 23:28:03,324 INFO L274 CegarLoopResult]: For program point L486(lines 486 872) no Hoare annotation was computed. [2020-10-19 23:28:03,324 INFO L274 CegarLoopResult]: For program point L288(lines 288 872) no Hoare annotation was computed. [2020-10-19 23:28:03,324 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-19 23:28:03,324 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-19 23:28:03,324 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-19 23:28:03,325 INFO L274 CegarLoopResult]: For program point L685(lines 685 872) no Hoare annotation was computed. [2020-10-19 23:28:03,325 INFO L274 CegarLoopResult]: For program point L355(lines 355 872) no Hoare annotation was computed. [2020-10-19 23:28:03,325 INFO L274 CegarLoopResult]: For program point L554(lines 554 872) no Hoare annotation was computed. [2020-10-19 23:28:03,325 INFO L274 CegarLoopResult]: For program point L422(lines 422 872) no Hoare annotation was computed. [2020-10-19 23:28:03,325 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,325 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,325 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,325 INFO L274 CegarLoopResult]: For program point L225(lines 225 872) no Hoare annotation was computed. [2020-10-19 23:28:03,325 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-19 23:28:03,326 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-19 23:28:03,326 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-19 23:28:03,326 INFO L274 CegarLoopResult]: For program point L754(lines 754 872) no Hoare annotation was computed. [2020-10-19 23:28:03,326 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-19 23:28:03,326 INFO L274 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-10-19 23:28:03,326 INFO L274 CegarLoopResult]: For program point L821(lines 821 872) no Hoare annotation was computed. [2020-10-19 23:28:03,326 INFO L274 CegarLoopResult]: For program point L623(lines 623 872) no Hoare annotation was computed. [2020-10-19 23:28:03,326 INFO L274 CegarLoopResult]: For program point L557(lines 557 872) no Hoare annotation was computed. [2020-10-19 23:28:03,326 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,326 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,326 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,327 INFO L274 CegarLoopResult]: For program point L690(lines 690 872) no Hoare annotation was computed. [2020-10-19 23:28:03,327 INFO L274 CegarLoopResult]: For program point L492(lines 492 872) no Hoare annotation was computed. [2020-10-19 23:28:03,327 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-19 23:28:03,327 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-19 23:28:03,327 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-19 23:28:03,327 INFO L274 CegarLoopResult]: For program point L361(lines 361 872) no Hoare annotation was computed. [2020-10-19 23:28:03,327 INFO L274 CegarLoopResult]: For program point L295(lines 295 872) no Hoare annotation was computed. [2020-10-19 23:28:03,327 INFO L274 CegarLoopResult]: For program point L428(lines 428 872) no Hoare annotation was computed. [2020-10-19 23:28:03,327 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,327 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,327 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,328 INFO L274 CegarLoopResult]: For program point L231(lines 231 872) no Hoare annotation was computed. [2020-10-19 23:28:03,328 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-19 23:28:03,328 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-19 23:28:03,328 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-19 23:28:03,328 INFO L274 CegarLoopResult]: For program point L760(lines 760 872) no Hoare annotation was computed. [2020-10-19 23:28:03,328 INFO L274 CegarLoopResult]: For program point L628(lines 628 872) no Hoare annotation was computed. [2020-10-19 23:28:03,328 INFO L274 CegarLoopResult]: For program point L827(lines 827 872) no Hoare annotation was computed. [2020-10-19 23:28:03,328 INFO L274 CegarLoopResult]: For program point L563(lines 563 872) no Hoare annotation was computed. [2020-10-19 23:28:03,328 INFO L274 CegarLoopResult]: For program point L497(lines 497 872) no Hoare annotation was computed. [2020-10-19 23:28:03,328 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,328 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,329 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:03,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 11:28:03 BoogieIcfgContainer [2020-10-19 23:28:03,348 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 23:28:03,349 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 23:28:03,349 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 23:28:03,349 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 23:28:03,350 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:27:48" (3/4) ... [2020-10-19 23:28:03,354 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 23:28:03,382 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-19 23:28:03,384 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-19 23:28:03,386 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 23:28:03,388 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 23:28:03,615 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 23:28:03,616 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 23:28:03,618 INFO L168 Benchmark]: Toolchain (without parser) took 18392.63 ms. Allocated memory was 35.1 MB in the beginning and 287.8 MB in the end (delta: 252.7 MB). Free memory was 11.1 MB in the beginning and 39.0 MB in the end (delta: -27.9 MB). Peak memory consumption was 224.8 MB. Max. memory is 14.3 GB. [2020-10-19 23:28:03,619 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 33.6 MB. Free memory was 19.1 MB in the beginning and 19.0 MB in the end (delta: 30.4 kB). Peak memory consumption was 30.4 kB. Max. memory is 14.3 GB. [2020-10-19 23:28:03,620 INFO L168 Benchmark]: CACSL2BoogieTranslator took 876.57 ms. Allocated memory was 35.1 MB in the beginning and 46.1 MB in the end (delta: 11.0 MB). Free memory was 10.2 MB in the beginning and 24.7 MB in the end (delta: -14.5 MB). Peak memory consumption was 11.9 MB. Max. memory is 14.3 GB. [2020-10-19 23:28:03,620 INFO L168 Benchmark]: Boogie Procedure Inliner took 161.01 ms. Allocated memory is still 46.1 MB. Free memory was 24.4 MB in the beginning and 14.7 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 14.3 GB. [2020-10-19 23:28:03,620 INFO L168 Benchmark]: Boogie Preprocessor took 142.67 ms. Allocated memory was 46.1 MB in the beginning and 46.7 MB in the end (delta: 524.3 kB). Free memory was 14.7 MB in the beginning and 18.7 MB in the end (delta: -4.1 MB). Peak memory consumption was 9.6 MB. Max. memory is 14.3 GB. [2020-10-19 23:28:03,621 INFO L168 Benchmark]: RCFGBuilder took 1643.14 ms. Allocated memory was 46.7 MB in the beginning and 71.8 MB in the end (delta: 25.2 MB). Free memory was 18.5 MB in the beginning and 36.4 MB in the end (delta: -17.9 MB). Peak memory consumption was 27.8 MB. Max. memory is 14.3 GB. [2020-10-19 23:28:03,621 INFO L168 Benchmark]: TraceAbstraction took 15286.82 ms. Allocated memory was 71.8 MB in the beginning and 287.8 MB in the end (delta: 216.0 MB). Free memory was 35.9 MB in the beginning and 62.8 MB in the end (delta: -26.9 MB). Peak memory consumption was 189.1 MB. Max. memory is 14.3 GB. [2020-10-19 23:28:03,622 INFO L168 Benchmark]: Witness Printer took 267.28 ms. Allocated memory is still 287.8 MB. Free memory was 62.8 MB in the beginning and 39.0 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 14.3 GB. [2020-10-19 23:28:03,630 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 33.6 MB. Free memory was 19.1 MB in the beginning and 19.0 MB in the end (delta: 30.4 kB). Peak memory consumption was 30.4 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 876.57 ms. Allocated memory was 35.1 MB in the beginning and 46.1 MB in the end (delta: 11.0 MB). Free memory was 10.2 MB in the beginning and 24.7 MB in the end (delta: -14.5 MB). Peak memory consumption was 11.9 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 161.01 ms. Allocated memory is still 46.1 MB. Free memory was 24.4 MB in the beginning and 14.7 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 142.67 ms. Allocated memory was 46.1 MB in the beginning and 46.7 MB in the end (delta: 524.3 kB). Free memory was 14.7 MB in the beginning and 18.7 MB in the end (delta: -4.1 MB). Peak memory consumption was 9.6 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1643.14 ms. Allocated memory was 46.7 MB in the beginning and 71.8 MB in the end (delta: 25.2 MB). Free memory was 18.5 MB in the beginning and 36.4 MB in the end (delta: -17.9 MB). Peak memory consumption was 27.8 MB. Max. memory is 14.3 GB. * TraceAbstraction took 15286.82 ms. Allocated memory was 71.8 MB in the beginning and 287.8 MB in the end (delta: 216.0 MB). Free memory was 35.9 MB in the beginning and 62.8 MB in the end (delta: -26.9 MB). Peak memory consumption was 189.1 MB. Max. memory is 14.3 GB. * Witness Printer took 267.28 ms. Allocated memory is still 287.8 MB. Free memory was 62.8 MB in the beginning and 39.0 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: ((a21 <= 7 || 6 <= a15) || 10 <= a21) || a12 <= 80 - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: ((a21 <= 7 || 6 <= a15) || 10 <= a21) || a12 <= 80 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 246 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.0s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 8.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 796 SDtfs, 1316 SDslu, 45 SDs, 0 SdLazy, 4429 SolverSat, 756 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1725 GetRequests, 1699 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2318occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 890 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 43 NumberOfFragments, 27 HoareAnnotationTreeSize, 3 FomulaSimplifications, 756 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 60 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 3963 NumberOfCodeBlocks, 3963 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 3951 ConstructedInterpolants, 0 QuantifiedInterpolants, 5618683 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2269 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 8 PerfectInterpolantSequences, 4763/5283 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...