./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem14_label47.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_label47.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 827bc4ec18d726059d5c6a9dcbd9b66e830eb792 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 23:29:16,626 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 23:29:16,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 23:29:16,666 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 23:29:16,666 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 23:29:16,680 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 23:29:16,681 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 23:29:16,684 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 23:29:16,694 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 23:29:16,696 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 23:29:16,698 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 23:29:16,701 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 23:29:16,702 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 23:29:16,705 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 23:29:16,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 23:29:16,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 23:29:16,711 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 23:29:16,712 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 23:29:16,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 23:29:16,722 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 23:29:16,725 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 23:29:16,726 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 23:29:16,727 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 23:29:16,727 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 23:29:16,730 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 23:29:16,730 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 23:29:16,730 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 23:29:16,731 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 23:29:16,731 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 23:29:16,732 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 23:29:16,732 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 23:29:16,733 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 23:29:16,734 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 23:29:16,734 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 23:29:16,735 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 23:29:16,735 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 23:29:16,736 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 23:29:16,736 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 23:29:16,736 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 23:29:16,737 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 23:29:16,738 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 23:29:16,739 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-19 23:29:16,762 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 23:29:16,762 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 23:29:16,763 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 23:29:16,763 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 23:29:16,764 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 23:29:16,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 23:29:16,764 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 23:29:16,764 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 23:29:16,764 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 23:29:16,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 23:29:16,765 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 23:29:16,765 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 23:29:16,765 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 23:29:16,765 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 23:29:16,765 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 23:29:16,766 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 23:29:16,766 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 23:29:16,766 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 23:29:16,766 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 23:29:16,766 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 23:29:16,767 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 23:29:16,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 23:29:16,768 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 23:29:16,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 23:29:16,768 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 23:29:16,768 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 23:29:16,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 23:29:16,769 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 23:29:16,769 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 23:29:16,769 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 -> 827bc4ec18d726059d5c6a9dcbd9b66e830eb792 [2020-10-19 23:29:17,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 23:29:17,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 23:29:17,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 23:29:17,031 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 23:29:17,033 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 23:29:17,034 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem14_label47.c [2020-10-19 23:29:17,112 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a70005103/1610a62f569940cdab5f6735ebbc166b/FLAG51c0baedc [2020-10-19 23:29:17,734 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 23:29:17,735 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem14_label47.c [2020-10-19 23:29:17,764 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a70005103/1610a62f569940cdab5f6735ebbc166b/FLAG51c0baedc [2020-10-19 23:29:17,982 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a70005103/1610a62f569940cdab5f6735ebbc166b [2020-10-19 23:29:17,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 23:29:17,993 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 23:29:17,995 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 23:29:17,995 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 23:29:17,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 23:29:18,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 11:29:17" (1/1) ... [2020-10-19 23:29:18,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2baa2c30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:29:18, skipping insertion in model container [2020-10-19 23:29:18,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 11:29:17" (1/1) ... [2020-10-19 23:29:18,013 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 23:29:18,094 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 23:29:18,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 23:29:18,834 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 23:29:18,957 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 23:29:18,975 INFO L208 MainTranslator]: Completed translation [2020-10-19 23:29:18,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:29:18 WrapperNode [2020-10-19 23:29:18,975 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 23:29:18,976 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 23:29:18,976 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 23:29:18,976 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 23:29:18,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:29:18" (1/1) ... [2020-10-19 23:29:19,008 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:29:18" (1/1) ... [2020-10-19 23:29:19,088 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 23:29:19,089 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 23:29:19,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 23:29:19,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 23:29:19,104 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:29:18" (1/1) ... [2020-10-19 23:29:19,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:29:18" (1/1) ... [2020-10-19 23:29:19,127 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:29:18" (1/1) ... [2020-10-19 23:29:19,128 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:29:18" (1/1) ... [2020-10-19 23:29:19,186 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:29:18" (1/1) ... [2020-10-19 23:29:19,199 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:29:18" (1/1) ... [2020-10-19 23:29:19,209 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:29:18" (1/1) ... [2020-10-19 23:29:19,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 23:29:19,225 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 23:29:19,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 23:29:19,225 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 23:29:19,226 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:29:18" (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 23:29:19,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 23:29:19,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 23:29:19,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 23:29:19,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 23:29:21,109 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 23:29:21,110 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 23:29:21,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:29:21 BoogieIcfgContainer [2020-10-19 23:29:21,113 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 23:29:21,114 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 23:29:21,114 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 23:29:21,118 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 23:29:21,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 11:29:17" (1/3) ... [2020-10-19 23:29:21,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e96157a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 11:29:21, skipping insertion in model container [2020-10-19 23:29:21,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:29:18" (2/3) ... [2020-10-19 23:29:21,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e96157a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 11:29:21, skipping insertion in model container [2020-10-19 23:29:21,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:29:21" (3/3) ... [2020-10-19 23:29:21,123 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label47.c [2020-10-19 23:29:21,137 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 23:29:21,146 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-19 23:29:21,162 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-19 23:29:21,192 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 23:29:21,192 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 23:29:21,192 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 23:29:21,193 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 23:29:21,193 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 23:29:21,193 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 23:29:21,193 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 23:29:21,194 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 23:29:21,216 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states. [2020-10-19 23:29:21,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-19 23:29:21,224 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:29:21,226 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] [2020-10-19 23:29:21,226 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:29:21,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:29:21,233 INFO L82 PathProgramCache]: Analyzing trace with hash 2113343065, now seen corresponding path program 1 times [2020-10-19 23:29:21,243 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:29:21,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890024057] [2020-10-19 23:29:21,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:29:21,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:21,511 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 23:29:21,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890024057] [2020-10-19 23:29:21,513 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:29:21,513 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:29:21,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555746979] [2020-10-19 23:29:21,520 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:29:21,521 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:29:21,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:29:21,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:29:21,538 INFO L87 Difference]: Start difference. First operand 246 states. Second operand 3 states. [2020-10-19 23:29:22,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:29:22,893 INFO L93 Difference]: Finished difference Result 670 states and 1201 transitions. [2020-10-19 23:29:22,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:29:22,895 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-10-19 23:29:22,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:29:22,912 INFO L225 Difference]: With dead ends: 670 [2020-10-19 23:29:22,912 INFO L226 Difference]: Without dead ends: 360 [2020-10-19 23:29:22,917 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 23:29:22,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-10-19 23:29:22,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2020-10-19 23:29:22,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-10-19 23:29:22,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 546 transitions. [2020-10-19 23:29:22,988 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 546 transitions. Word has length 33 [2020-10-19 23:29:22,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:29:22,989 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 546 transitions. [2020-10-19 23:29:22,989 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:29:22,989 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 546 transitions. [2020-10-19 23:29:22,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-10-19 23:29:22,993 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:29:22,993 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, 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 23:29:22,994 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 23:29:22,994 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:29:22,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:29:22,994 INFO L82 PathProgramCache]: Analyzing trace with hash 72927101, now seen corresponding path program 1 times [2020-10-19 23:29:22,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:29:22,995 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142864522] [2020-10-19 23:29:22,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:29:23,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:23,187 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:29:23,188 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142864522] [2020-10-19 23:29:23,188 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:29:23,189 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:29:23,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681532125] [2020-10-19 23:29:23,192 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:29:23,192 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:29:23,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:29:23,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:29:23,193 INFO L87 Difference]: Start difference. First operand 360 states and 546 transitions. Second operand 3 states. [2020-10-19 23:29:24,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:29:24,172 INFO L93 Difference]: Finished difference Result 1074 states and 1633 transitions. [2020-10-19 23:29:24,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:29:24,174 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2020-10-19 23:29:24,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:29:24,180 INFO L225 Difference]: With dead ends: 1074 [2020-10-19 23:29:24,181 INFO L226 Difference]: Without dead ends: 716 [2020-10-19 23:29:24,183 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 23:29:24,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2020-10-19 23:29:24,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 716. [2020-10-19 23:29:24,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2020-10-19 23:29:24,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 968 transitions. [2020-10-19 23:29:24,223 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 968 transitions. Word has length 108 [2020-10-19 23:29:24,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:29:24,226 INFO L481 AbstractCegarLoop]: Abstraction has 716 states and 968 transitions. [2020-10-19 23:29:24,227 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:29:24,227 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 968 transitions. [2020-10-19 23:29:24,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-19 23:29:24,239 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:29:24,239 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, 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 23:29:24,239 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-19 23:29:24,240 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:29:24,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:29:24,240 INFO L82 PathProgramCache]: Analyzing trace with hash 1929899079, now seen corresponding path program 1 times [2020-10-19 23:29:24,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:29:24,241 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673448896] [2020-10-19 23:29:24,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:29:24,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:24,499 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:29:24,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673448896] [2020-10-19 23:29:24,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:29:24,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:29:24,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503566706] [2020-10-19 23:29:24,502 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:29:24,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:29:24,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:29:24,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:29:24,505 INFO L87 Difference]: Start difference. First operand 716 states and 968 transitions. Second operand 4 states. [2020-10-19 23:29:25,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:29:25,987 INFO L93 Difference]: Finished difference Result 1964 states and 2570 transitions. [2020-10-19 23:29:25,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:29:25,988 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 112 [2020-10-19 23:29:25,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:29:25,997 INFO L225 Difference]: With dead ends: 1964 [2020-10-19 23:29:25,997 INFO L226 Difference]: Without dead ends: 1250 [2020-10-19 23:29:25,999 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 23:29:26,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2020-10-19 23:29:26,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1250. [2020-10-19 23:29:26,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1250 states. [2020-10-19 23:29:26,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1544 transitions. [2020-10-19 23:29:26,065 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1544 transitions. Word has length 112 [2020-10-19 23:29:26,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:29:26,066 INFO L481 AbstractCegarLoop]: Abstraction has 1250 states and 1544 transitions. [2020-10-19 23:29:26,066 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:29:26,067 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1544 transitions. [2020-10-19 23:29:26,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-10-19 23:29:26,079 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:29:26,080 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, 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] [2020-10-19 23:29:26,080 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-19 23:29:26,080 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:29:26,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:29:26,081 INFO L82 PathProgramCache]: Analyzing trace with hash 475221302, now seen corresponding path program 1 times [2020-10-19 23:29:26,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:29:26,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361049741] [2020-10-19 23:29:26,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:29:26,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:26,337 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-19 23:29:26,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361049741] [2020-10-19 23:29:26,338 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:29:26,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:29:26,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120329334] [2020-10-19 23:29:26,339 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:29:26,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:29:26,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:29:26,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:29:26,340 INFO L87 Difference]: Start difference. First operand 1250 states and 1544 transitions. Second operand 4 states. [2020-10-19 23:29:27,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:29:27,405 INFO L93 Difference]: Finished difference Result 2705 states and 3353 transitions. [2020-10-19 23:29:27,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:29:27,406 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 192 [2020-10-19 23:29:27,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:29:27,414 INFO L225 Difference]: With dead ends: 2705 [2020-10-19 23:29:27,415 INFO L226 Difference]: Without dead ends: 1606 [2020-10-19 23:29:27,417 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 23:29:27,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2020-10-19 23:29:27,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1606. [2020-10-19 23:29:27,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1606 states. [2020-10-19 23:29:27,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 1801 transitions. [2020-10-19 23:29:27,450 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 1801 transitions. Word has length 192 [2020-10-19 23:29:27,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:29:27,451 INFO L481 AbstractCegarLoop]: Abstraction has 1606 states and 1801 transitions. [2020-10-19 23:29:27,451 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:29:27,451 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1801 transitions. [2020-10-19 23:29:27,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2020-10-19 23:29:27,456 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:29:27,456 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, 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:29:27,457 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-19 23:29:27,457 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:29:27,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:29:27,457 INFO L82 PathProgramCache]: Analyzing trace with hash 71380608, now seen corresponding path program 1 times [2020-10-19 23:29:27,458 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:29:27,458 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492736489] [2020-10-19 23:29:27,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:29:27,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:28,033 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 140 proven. 130 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-10-19 23:29:28,033 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492736489] [2020-10-19 23:29:28,034 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [668838235] [2020-10-19 23:29:28,034 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 23:29:28,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:28,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:29:28,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:29:28,703 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2020-10-19 23:29:28,704 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:29:28,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2020-10-19 23:29:28,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082896932] [2020-10-19 23:29:28,708 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:29:28,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:29:28,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:29:28,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-19 23:29:28,709 INFO L87 Difference]: Start difference. First operand 1606 states and 1801 transitions. Second operand 3 states. [2020-10-19 23:29:29,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:29:29,535 INFO L93 Difference]: Finished difference Result 3388 states and 3901 transitions. [2020-10-19 23:29:29,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:29:29,535 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 319 [2020-10-19 23:29:29,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:29:29,545 INFO L225 Difference]: With dead ends: 3388 [2020-10-19 23:29:29,545 INFO L226 Difference]: Without dead ends: 1962 [2020-10-19 23:29:29,547 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 318 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 23:29:29,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2020-10-19 23:29:29,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1784. [2020-10-19 23:29:29,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1784 states. [2020-10-19 23:29:29,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1784 states and 2018 transitions. [2020-10-19 23:29:29,596 INFO L78 Accepts]: Start accepts. Automaton has 1784 states and 2018 transitions. Word has length 319 [2020-10-19 23:29:29,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:29:29,597 INFO L481 AbstractCegarLoop]: Abstraction has 1784 states and 2018 transitions. [2020-10-19 23:29:29,597 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:29:29,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 2018 transitions. [2020-10-19 23:29:29,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2020-10-19 23:29:29,601 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:29:29,602 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, 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, 1] [2020-10-19 23:29:29,816 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:29:29,817 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:29:29,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:29:29,818 INFO L82 PathProgramCache]: Analyzing trace with hash -359720502, now seen corresponding path program 1 times [2020-10-19 23:29:29,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:29:29,819 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872593613] [2020-10-19 23:29:29,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:29:29,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:30,568 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 223 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:29:30,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872593613] [2020-10-19 23:29:30,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1500667586] [2020-10-19 23:29:30,569 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 23:29:30,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:30,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:29:30,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:29:30,966 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2020-10-19 23:29:30,966 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:29:30,967 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-10-19 23:29:30,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122103569] [2020-10-19 23:29:30,968 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:29:30,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:29:30,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:29:30,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:29:30,969 INFO L87 Difference]: Start difference. First operand 1784 states and 2018 transitions. Second operand 3 states. [2020-10-19 23:29:31,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:29:31,851 INFO L93 Difference]: Finished difference Result 3744 states and 4250 transitions. [2020-10-19 23:29:31,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:29:31,852 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 323 [2020-10-19 23:29:31,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:29:31,862 INFO L225 Difference]: With dead ends: 3744 [2020-10-19 23:29:31,862 INFO L226 Difference]: Without dead ends: 1962 [2020-10-19 23:29:31,866 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 322 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:29:31,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2020-10-19 23:29:31,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1606. [2020-10-19 23:29:31,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1606 states. [2020-10-19 23:29:31,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 1799 transitions. [2020-10-19 23:29:31,904 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 1799 transitions. Word has length 323 [2020-10-19 23:29:31,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:29:31,906 INFO L481 AbstractCegarLoop]: Abstraction has 1606 states and 1799 transitions. [2020-10-19 23:29:31,906 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:29:31,906 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1799 transitions. [2020-10-19 23:29:31,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2020-10-19 23:29:31,911 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:29:31,911 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, 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, 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, 1, 1, 1, 1, 1] [2020-10-19 23:29:32,125 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:29:32,126 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:29:32,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:29:32,128 INFO L82 PathProgramCache]: Analyzing trace with hash 1097122152, now seen corresponding path program 1 times [2020-10-19 23:29:32,128 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:29:32,129 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176235641] [2020-10-19 23:29:32,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:29:32,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:32,363 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-10-19 23:29:32,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176235641] [2020-10-19 23:29:32,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:29:32,364 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:29:32,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639791364] [2020-10-19 23:29:32,365 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:29:32,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:29:32,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:29:32,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:29:32,366 INFO L87 Difference]: Start difference. First operand 1606 states and 1799 transitions. Second operand 3 states. [2020-10-19 23:29:33,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:29:33,215 INFO L93 Difference]: Finished difference Result 3566 states and 4068 transitions. [2020-10-19 23:29:33,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:29:33,216 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 350 [2020-10-19 23:29:33,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:29:33,226 INFO L225 Difference]: With dead ends: 3566 [2020-10-19 23:29:33,226 INFO L226 Difference]: Without dead ends: 2140 [2020-10-19 23:29:33,229 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 23:29:33,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2020-10-19 23:29:33,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 1962. [2020-10-19 23:29:33,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1962 states. [2020-10-19 23:29:33,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2206 transitions. [2020-10-19 23:29:33,266 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2206 transitions. Word has length 350 [2020-10-19 23:29:33,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:29:33,267 INFO L481 AbstractCegarLoop]: Abstraction has 1962 states and 2206 transitions. [2020-10-19 23:29:33,267 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:29:33,267 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2206 transitions. [2020-10-19 23:29:33,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2020-10-19 23:29:33,273 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:29:33,274 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:29:33,274 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-19 23:29:33,274 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:29:33,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:29:33,275 INFO L82 PathProgramCache]: Analyzing trace with hash -1250141587, now seen corresponding path program 1 times [2020-10-19 23:29:33,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:29:33,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722199216] [2020-10-19 23:29:33,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:29:33,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:33,887 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 276 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:29:33,888 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722199216] [2020-10-19 23:29:33,888 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [284155508] [2020-10-19 23:29:33,888 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 23:29:33,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:33,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:29:33,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:29:34,118 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-10-19 23:29:34,119 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:29:34,119 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-10-19 23:29:34,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402746731] [2020-10-19 23:29:34,120 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:29:34,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:29:34,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:29:34,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:29:34,121 INFO L87 Difference]: Start difference. First operand 1962 states and 2206 transitions. Second operand 3 states. [2020-10-19 23:29:34,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:29:34,892 INFO L93 Difference]: Finished difference Result 3566 states and 4052 transitions. [2020-10-19 23:29:34,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:29:34,893 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 352 [2020-10-19 23:29:34,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:29:34,903 INFO L225 Difference]: With dead ends: 3566 [2020-10-19 23:29:34,904 INFO L226 Difference]: Without dead ends: 1962 [2020-10-19 23:29:34,907 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 351 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 23:29:34,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2020-10-19 23:29:34,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1962. [2020-10-19 23:29:34,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1962 states. [2020-10-19 23:29:34,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2160 transitions. [2020-10-19 23:29:34,946 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2160 transitions. Word has length 352 [2020-10-19 23:29:34,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:29:34,947 INFO L481 AbstractCegarLoop]: Abstraction has 1962 states and 2160 transitions. [2020-10-19 23:29:34,947 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:29:34,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2160 transitions. [2020-10-19 23:29:34,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2020-10-19 23:29:34,950 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:29:34,950 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:29:35,164 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:29:35,165 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:29:35,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:29:35,166 INFO L82 PathProgramCache]: Analyzing trace with hash -1806668865, now seen corresponding path program 1 times [2020-10-19 23:29:35,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:29:35,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466254750] [2020-10-19 23:29:35,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:29:35,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:35,493 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2020-10-19 23:29:35,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466254750] [2020-10-19 23:29:35,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1771290429] [2020-10-19 23:29:35,494 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 23:29:35,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:35,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:29:35,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:29:35,762 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2020-10-19 23:29:35,762 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:29:35,762 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-10-19 23:29:35,763 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861306078] [2020-10-19 23:29:35,763 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:29:35,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:29:35,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:29:35,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:29:35,764 INFO L87 Difference]: Start difference. First operand 1962 states and 2160 transitions. Second operand 3 states. [2020-10-19 23:29:36,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:29:36,484 INFO L93 Difference]: Finished difference Result 2498 states and 2774 transitions. [2020-10-19 23:29:36,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:29:36,485 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 357 [2020-10-19 23:29:36,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:29:36,495 INFO L225 Difference]: With dead ends: 2498 [2020-10-19 23:29:36,495 INFO L226 Difference]: Without dead ends: 2496 [2020-10-19 23:29:36,496 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 356 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:29:36,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2496 states. [2020-10-19 23:29:36,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2496 to 2140. [2020-10-19 23:29:36,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2020-10-19 23:29:36,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2374 transitions. [2020-10-19 23:29:36,531 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2374 transitions. Word has length 357 [2020-10-19 23:29:36,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:29:36,532 INFO L481 AbstractCegarLoop]: Abstraction has 2140 states and 2374 transitions. [2020-10-19 23:29:36,532 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:29:36,532 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2374 transitions. [2020-10-19 23:29:36,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2020-10-19 23:29:36,536 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:29:36,536 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:29:36,750 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:29:36,751 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:29:36,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:29:36,752 INFO L82 PathProgramCache]: Analyzing trace with hash -738891510, now seen corresponding path program 1 times [2020-10-19 23:29:36,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:29:36,753 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944098684] [2020-10-19 23:29:36,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:29:36,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:37,349 INFO L134 CoverageAnalysis]: Checked inductivity of 739 backedges. 578 proven. 130 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-10-19 23:29:37,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944098684] [2020-10-19 23:29:37,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [220778898] [2020-10-19 23:29:37,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:29:37,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:37,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:29:37,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:29:37,656 INFO L134 CoverageAnalysis]: Checked inductivity of 739 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2020-10-19 23:29:37,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:29:37,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-10-19 23:29:37,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475335435] [2020-10-19 23:29:37,659 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:29:37,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:29:37,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:29:37,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:29:37,660 INFO L87 Difference]: Start difference. First operand 2140 states and 2374 transitions. Second operand 3 states. [2020-10-19 23:29:38,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:29:38,521 INFO L93 Difference]: Finished difference Result 4634 states and 5227 transitions. [2020-10-19 23:29:38,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:29:38,522 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 453 [2020-10-19 23:29:38,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:29:38,536 INFO L225 Difference]: With dead ends: 4634 [2020-10-19 23:29:38,536 INFO L226 Difference]: Without dead ends: 2852 [2020-10-19 23:29:38,540 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 457 GetRequests, 452 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 23:29:38,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2852 states. [2020-10-19 23:29:38,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2852 to 2496. [2020-10-19 23:29:38,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2496 states. [2020-10-19 23:29:38,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 2800 transitions. [2020-10-19 23:29:38,601 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 2800 transitions. Word has length 453 [2020-10-19 23:29:38,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:29:38,602 INFO L481 AbstractCegarLoop]: Abstraction has 2496 states and 2800 transitions. [2020-10-19 23:29:38,603 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:29:38,603 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 2800 transitions. [2020-10-19 23:29:38,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2020-10-19 23:29:38,609 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:29:38,610 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:29:38,839 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-10-19 23:29:38,840 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:29:38,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:29:38,840 INFO L82 PathProgramCache]: Analyzing trace with hash -1506656967, now seen corresponding path program 1 times [2020-10-19 23:29:38,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:29:38,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403220997] [2020-10-19 23:29:38,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:29:38,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:39,520 INFO L134 CoverageAnalysis]: Checked inductivity of 754 backedges. 593 proven. 130 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-10-19 23:29:39,520 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403220997] [2020-10-19 23:29:39,521 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1190908008] [2020-10-19 23:29:39,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:29:39,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:39,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-19 23:29:39,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:29:40,113 INFO L134 CoverageAnalysis]: Checked inductivity of 754 backedges. 409 proven. 0 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2020-10-19 23:29:40,114 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:29:40,114 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2020-10-19 23:29:40,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002327258] [2020-10-19 23:29:40,115 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:29:40,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:29:40,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:29:40,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:29:40,116 INFO L87 Difference]: Start difference. First operand 2496 states and 2800 transitions. Second operand 3 states. [2020-10-19 23:29:40,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:29:40,768 INFO L93 Difference]: Finished difference Result 4812 states and 5423 transitions. [2020-10-19 23:29:40,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:29:40,769 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 459 [2020-10-19 23:29:40,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:29:40,777 INFO L225 Difference]: With dead ends: 4812 [2020-10-19 23:29:40,777 INFO L226 Difference]: Without dead ends: 2496 [2020-10-19 23:29:40,780 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 463 GetRequests, 458 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:29:40,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2496 states. [2020-10-19 23:29:40,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2496 to 2496. [2020-10-19 23:29:40,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2496 states. [2020-10-19 23:29:40,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 2617 transitions. [2020-10-19 23:29:40,818 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 2617 transitions. Word has length 459 [2020-10-19 23:29:40,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:29:40,819 INFO L481 AbstractCegarLoop]: Abstraction has 2496 states and 2617 transitions. [2020-10-19 23:29:40,819 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:29:40,819 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 2617 transitions. [2020-10-19 23:29:40,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 704 [2020-10-19 23:29:40,825 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:29:40,826 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 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] [2020-10-19 23:29:41,041 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:29:41,042 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:29:41,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:29:41,043 INFO L82 PathProgramCache]: Analyzing trace with hash 1995146421, now seen corresponding path program 1 times [2020-10-19 23:29:41,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:29:41,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775450161] [2020-10-19 23:29:41,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:29:41,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:41,648 INFO L134 CoverageAnalysis]: Checked inductivity of 1285 backedges. 940 proven. 0 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2020-10-19 23:29:41,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775450161] [2020-10-19 23:29:41,649 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:29:41,649 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:29:41,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518485761] [2020-10-19 23:29:41,653 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:29:41,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:29:41,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:29:41,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:29:41,654 INFO L87 Difference]: Start difference. First operand 2496 states and 2617 transitions. Second operand 3 states. [2020-10-19 23:29:42,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:29:42,307 INFO L93 Difference]: Finished difference Result 5524 states and 5814 transitions. [2020-10-19 23:29:42,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:29:42,308 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 703 [2020-10-19 23:29:42,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:29:42,319 INFO L225 Difference]: With dead ends: 5524 [2020-10-19 23:29:42,320 INFO L226 Difference]: Without dead ends: 3386 [2020-10-19 23:29:42,322 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 23:29:42,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3386 states. [2020-10-19 23:29:42,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3386 to 3386. [2020-10-19 23:29:42,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2020-10-19 23:29:42,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3537 transitions. [2020-10-19 23:29:42,378 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3537 transitions. Word has length 703 [2020-10-19 23:29:42,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:29:42,379 INFO L481 AbstractCegarLoop]: Abstraction has 3386 states and 3537 transitions. [2020-10-19 23:29:42,379 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:29:42,380 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3537 transitions. [2020-10-19 23:29:42,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 764 [2020-10-19 23:29:42,389 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:29:42,390 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:29:42,390 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-19 23:29:42,390 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:29:42,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:29:42,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1862166155, now seen corresponding path program 1 times [2020-10-19 23:29:42,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:29:42,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833848234] [2020-10-19 23:29:42,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:29:42,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:43,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1403 backedges. 1066 proven. 0 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2020-10-19 23:29:43,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833848234] [2020-10-19 23:29:43,039 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:29:43,039 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:29:43,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755320715] [2020-10-19 23:29:43,041 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:29:43,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:29:43,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:29:43,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:29:43,042 INFO L87 Difference]: Start difference. First operand 3386 states and 3537 transitions. Second operand 3 states. [2020-10-19 23:29:43,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:29:43,698 INFO L93 Difference]: Finished difference Result 6948 states and 7275 transitions. [2020-10-19 23:29:43,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:29:43,699 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 763 [2020-10-19 23:29:43,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:29:43,714 INFO L225 Difference]: With dead ends: 6948 [2020-10-19 23:29:43,714 INFO L226 Difference]: Without dead ends: 3920 [2020-10-19 23:29:43,718 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 23:29:43,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3920 states. [2020-10-19 23:29:43,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3920 to 3920. [2020-10-19 23:29:43,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3920 states. [2020-10-19 23:29:43,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3920 states to 3920 states and 4086 transitions. [2020-10-19 23:29:43,774 INFO L78 Accepts]: Start accepts. Automaton has 3920 states and 4086 transitions. Word has length 763 [2020-10-19 23:29:43,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:29:43,775 INFO L481 AbstractCegarLoop]: Abstraction has 3920 states and 4086 transitions. [2020-10-19 23:29:43,775 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:29:43,775 INFO L276 IsEmpty]: Start isEmpty. Operand 3920 states and 4086 transitions. [2020-10-19 23:29:43,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 859 [2020-10-19 23:29:43,785 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:29:43,786 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:29:43,786 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-19 23:29:43,786 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:29:43,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:29:43,787 INFO L82 PathProgramCache]: Analyzing trace with hash 379747093, now seen corresponding path program 1 times [2020-10-19 23:29:43,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:29:43,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528989114] [2020-10-19 23:29:43,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:29:43,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:44,430 INFO L134 CoverageAnalysis]: Checked inductivity of 1949 backedges. 1449 proven. 155 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2020-10-19 23:29:44,430 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528989114] [2020-10-19 23:29:44,431 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1595433887] [2020-10-19 23:29:44,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:29:44,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:44,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 1064 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:29:44,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:29:45,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1949 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 1764 trivial. 0 not checked. [2020-10-19 23:29:45,239 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:29:45,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-10-19 23:29:45,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253234531] [2020-10-19 23:29:45,240 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:29:45,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:29:45,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:29:45,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:29:45,241 INFO L87 Difference]: Start difference. First operand 3920 states and 4086 transitions. Second operand 3 states. [2020-10-19 23:29:45,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:29:45,913 INFO L93 Difference]: Finished difference Result 8014 states and 8375 transitions. [2020-10-19 23:29:45,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:29:45,913 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 858 [2020-10-19 23:29:45,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:29:45,917 INFO L225 Difference]: With dead ends: 8014 [2020-10-19 23:29:45,917 INFO L226 Difference]: Without dead ends: 0 [2020-10-19 23:29:45,923 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 861 GetRequests, 858 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:29:45,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-19 23:29:45,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-19 23:29:45,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-19 23:29:45,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 23:29:45,924 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 858 [2020-10-19 23:29:45,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:29:45,925 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 23:29:45,925 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:29:45,925 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-19 23:29:45,925 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 23:29:46,139 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-10-19 23:29:46,143 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-19 23:29:46,336 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 28 [2020-10-19 23:29:46,466 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 28 [2020-10-19 23:29:46,471 INFO L274 CegarLoopResult]: For program point L696(lines 696 872) no Hoare annotation was computed. [2020-10-19 23:29:46,472 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-19 23:29:46,472 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-19 23:29:46,472 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-19 23:29:46,473 INFO L274 CegarLoopResult]: For program point L301(lines 301 872) no Hoare annotation was computed. [2020-10-19 23:29:46,473 INFO L274 CegarLoopResult]: For program point L434(lines 434 872) no Hoare annotation was computed. [2020-10-19 23:29:46,473 INFO L274 CegarLoopResult]: For program point L368(lines 368 872) no Hoare annotation was computed. [2020-10-19 23:29:46,473 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,474 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,474 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,474 INFO L274 CegarLoopResult]: For program point L237(lines 237 872) no Hoare annotation was computed. [2020-10-19 23:29:46,474 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-19 23:29:46,475 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-19 23:29:46,475 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-19 23:29:46,475 INFO L274 CegarLoopResult]: For program point L766(lines 766 872) no Hoare annotation was computed. [2020-10-19 23:29:46,475 INFO L274 CegarLoopResult]: For program point L634(lines 634 872) no Hoare annotation was computed. [2020-10-19 23:29:46,475 INFO L274 CegarLoopResult]: For program point L502(lines 502 872) no Hoare annotation was computed. [2020-10-19 23:29:46,476 INFO L274 CegarLoopResult]: For program point L833(lines 833 872) no Hoare annotation was computed. [2020-10-19 23:29:46,476 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,476 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,476 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,476 INFO L274 CegarLoopResult]: For program point L702(lines 702 872) no Hoare annotation was computed. [2020-10-19 23:29:46,476 INFO L274 CegarLoopResult]: For program point L570(lines 570 872) no Hoare annotation was computed. [2020-10-19 23:29:46,477 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-19 23:29:46,477 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-19 23:29:46,477 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-19 23:29:46,477 INFO L274 CegarLoopResult]: For program point L307(lines 307 872) no Hoare annotation was computed. [2020-10-19 23:29:46,477 INFO L274 CegarLoopResult]: For program point L440(lines 440 872) no Hoare annotation was computed. [2020-10-19 23:29:46,477 INFO L274 CegarLoopResult]: For program point L374(lines 374 872) no Hoare annotation was computed. [2020-10-19 23:29:46,478 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,478 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,478 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,478 INFO L274 CegarLoopResult]: For program point L243(lines 243 872) no Hoare annotation was computed. [2020-10-19 23:29:46,478 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-19 23:29:46,478 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-19 23:29:46,479 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-19 23:29:46,479 INFO L274 CegarLoopResult]: For program point L640(lines 640 872) no Hoare annotation was computed. [2020-10-19 23:29:46,479 INFO L274 CegarLoopResult]: For program point L508(lines 508 872) no Hoare annotation was computed. [2020-10-19 23:29:46,479 INFO L274 CegarLoopResult]: For program point L839(lines 839 872) no Hoare annotation was computed. [2020-10-19 23:29:46,479 INFO L274 CegarLoopResult]: For program point L773(lines 773 872) no Hoare annotation was computed. [2020-10-19 23:29:46,480 INFO L274 CegarLoopResult]: For program point L575(lines 575 872) no Hoare annotation was computed. [2020-10-19 23:29:46,480 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,480 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,480 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,480 INFO L274 CegarLoopResult]: For program point L708(lines 708 872) no Hoare annotation was computed. [2020-10-19 23:29:46,480 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-19 23:29:46,481 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-19 23:29:46,481 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-19 23:29:46,481 INFO L274 CegarLoopResult]: For program point L313(lines 313 872) no Hoare annotation was computed. [2020-10-19 23:29:46,481 INFO L274 CegarLoopResult]: For program point L446(lines 446 872) no Hoare annotation was computed. [2020-10-19 23:29:46,481 INFO L274 CegarLoopResult]: For program point L380(lines 380 872) no Hoare annotation was computed. [2020-10-19 23:29:46,481 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,482 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,482 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,482 INFO L274 CegarLoopResult]: For program point L249(lines 249 872) no Hoare annotation was computed. [2020-10-19 23:29:46,482 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-19 23:29:46,482 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-19 23:29:46,483 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-19 23:29:46,483 INFO L274 CegarLoopResult]: For program point L844(lines 844 872) no Hoare annotation was computed. [2020-10-19 23:29:46,483 INFO L274 CegarLoopResult]: For program point L646(lines 646 872) no Hoare annotation was computed. [2020-10-19 23:29:46,483 INFO L274 CegarLoopResult]: For program point L514(lines 514 872) no Hoare annotation was computed. [2020-10-19 23:29:46,483 INFO L274 CegarLoopResult]: For program point L779(lines 779 872) no Hoare annotation was computed. [2020-10-19 23:29:46,484 INFO L274 CegarLoopResult]: For program point L581(lines 581 872) no Hoare annotation was computed. [2020-10-19 23:29:46,484 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,484 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,484 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,485 INFO L274 CegarLoopResult]: For program point L714(lines 714 872) no Hoare annotation was computed. [2020-10-19 23:29:46,485 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-19 23:29:46,485 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-19 23:29:46,485 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-19 23:29:46,486 INFO L274 CegarLoopResult]: For program point L451(lines 451 872) no Hoare annotation was computed. [2020-10-19 23:29:46,486 INFO L274 CegarLoopResult]: For program point L319(lines 319 872) no Hoare annotation was computed. [2020-10-19 23:29:46,486 INFO L274 CegarLoopResult]: For program point L386(lines 386 872) no Hoare annotation was computed. [2020-10-19 23:29:46,486 INFO L274 CegarLoopResult]: For program point L254(lines 254 872) no Hoare annotation was computed. [2020-10-19 23:29:46,487 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,487 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,487 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,487 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-19 23:29:46,487 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-19 23:29:46,488 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-19 23:29:46,488 INFO L274 CegarLoopResult]: For program point L850(lines 850 872) no Hoare annotation was computed. [2020-10-19 23:29:46,488 INFO L274 CegarLoopResult]: For program point L652(lines 652 872) no Hoare annotation was computed. [2020-10-19 23:29:46,488 INFO L274 CegarLoopResult]: For program point L520(lines 520 872) no Hoare annotation was computed. [2020-10-19 23:29:46,489 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-19 23:29:46,489 INFO L274 CegarLoopResult]: For program point L785(lines 785 872) no Hoare annotation was computed. [2020-10-19 23:29:46,489 INFO L274 CegarLoopResult]: For program point L587(lines 587 872) no Hoare annotation was computed. [2020-10-19 23:29:46,489 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,489 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,490 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,490 INFO L274 CegarLoopResult]: For program point L720(lines 720 872) no Hoare annotation was computed. [2020-10-19 23:29:46,490 INFO L274 CegarLoopResult]: For program point L456(lines 456 872) no Hoare annotation was computed. [2020-10-19 23:29:46,490 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-19 23:29:46,491 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-19 23:29:46,491 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-19 23:29:46,491 INFO L274 CegarLoopResult]: For program point L325(lines 325 872) no Hoare annotation was computed. [2020-10-19 23:29:46,491 INFO L274 CegarLoopResult]: For program point L392(lines 392 872) no Hoare annotation was computed. [2020-10-19 23:29:46,492 INFO L274 CegarLoopResult]: For program point L260(lines 260 872) no Hoare annotation was computed. [2020-10-19 23:29:46,492 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,492 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,492 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,492 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-19 23:29:46,492 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-19 23:29:46,493 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-19 23:29:46,493 INFO L274 CegarLoopResult]: For program point L856(lines 856 872) no Hoare annotation was computed. [2020-10-19 23:29:46,493 INFO L274 CegarLoopResult]: For program point L658(lines 658 872) no Hoare annotation was computed. [2020-10-19 23:29:46,493 INFO L274 CegarLoopResult]: For program point L526(lines 526 872) no Hoare annotation was computed. [2020-10-19 23:29:46,493 INFO L274 CegarLoopResult]: For program point L791(lines 791 872) no Hoare annotation was computed. [2020-10-19 23:29:46,493 INFO L274 CegarLoopResult]: For program point L593(lines 593 872) no Hoare annotation was computed. [2020-10-19 23:29:46,494 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,494 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,494 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,494 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-19 23:29:46,494 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-19 23:29:46,495 INFO L274 CegarLoopResult]: For program point L726(lines 726 872) no Hoare annotation was computed. [2020-10-19 23:29:46,495 INFO L274 CegarLoopResult]: For program point L462(lines 462 872) no Hoare annotation was computed. [2020-10-19 23:29:46,495 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-19 23:29:46,495 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-19 23:29:46,495 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-19 23:29:46,496 INFO L274 CegarLoopResult]: For program point L331(lines 331 872) no Hoare annotation was computed. [2020-10-19 23:29:46,496 INFO L274 CegarLoopResult]: For program point L398(lines 398 872) no Hoare annotation was computed. [2020-10-19 23:29:46,496 INFO L274 CegarLoopResult]: For program point L266(lines 266 872) no Hoare annotation was computed. [2020-10-19 23:29:46,496 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,496 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,496 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,497 INFO L274 CegarLoopResult]: For program point L861(lines 861 872) no Hoare annotation was computed. [2020-10-19 23:29:46,497 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-19 23:29:46,497 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-19 23:29:46,497 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-19 23:29:46,497 INFO L274 CegarLoopResult]: For program point L664(lines 664 872) no Hoare annotation was computed. [2020-10-19 23:29:46,497 INFO L274 CegarLoopResult]: For program point L532(lines 532 872) no Hoare annotation was computed. [2020-10-19 23:29:46,498 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-19 23:29:46,498 INFO L274 CegarLoopResult]: For program point L797(lines 797 872) no Hoare annotation was computed. [2020-10-19 23:29:46,498 INFO L274 CegarLoopResult]: For program point L599(lines 599 872) no Hoare annotation was computed. [2020-10-19 23:29:46,498 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,498 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,498 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,498 INFO L274 CegarLoopResult]: For program point L732(lines 732 872) no Hoare annotation was computed. [2020-10-19 23:29:46,499 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-19 23:29:46,499 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-19 23:29:46,499 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-19 23:29:46,499 INFO L274 CegarLoopResult]: For program point L469(lines 469 872) no Hoare annotation was computed. [2020-10-19 23:29:46,500 INFO L274 CegarLoopResult]: For program point L337(lines 337 872) no Hoare annotation was computed. [2020-10-19 23:29:46,500 INFO L274 CegarLoopResult]: For program point L271(lines 271 872) no Hoare annotation was computed. [2020-10-19 23:29:46,500 INFO L274 CegarLoopResult]: For program point L404(lines 404 872) no Hoare annotation was computed. [2020-10-19 23:29:46,500 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,501 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,501 INFO L274 CegarLoopResult]: For program point L867(lines 867 872) no Hoare annotation was computed. [2020-10-19 23:29:46,501 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-19 23:29:46,501 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-19 23:29:46,502 INFO L274 CegarLoopResult]: For program point L670(lines 670 872) no Hoare annotation was computed. [2020-10-19 23:29:46,502 INFO L274 CegarLoopResult]: For program point L538(lines 538 872) no Hoare annotation was computed. [2020-10-19 23:29:46,502 INFO L274 CegarLoopResult]: For program point L803(lines 803 872) no Hoare annotation was computed. [2020-10-19 23:29:46,502 INFO L274 CegarLoopResult]: For program point L737(lines 737 872) no Hoare annotation was computed. [2020-10-19 23:29:46,502 INFO L274 CegarLoopResult]: For program point L605(lines 605 872) no Hoare annotation was computed. [2020-10-19 23:29:46,503 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,503 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,503 INFO L274 CegarLoopResult]: For program point L474(lines 474 872) no Hoare annotation was computed. [2020-10-19 23:29:46,503 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-19 23:29:46,504 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-19 23:29:46,504 INFO L274 CegarLoopResult]: For program point L343(lines 343 872) no Hoare annotation was computed. [2020-10-19 23:29:46,504 INFO L274 CegarLoopResult]: For program point L277(lines 277 872) no Hoare annotation was computed. [2020-10-19 23:29:46,504 INFO L274 CegarLoopResult]: For program point L410(lines 410 872) no Hoare annotation was computed. [2020-10-19 23:29:46,505 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,505 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,506 INFO L270 CegarLoopResult]: At program point L873(lines 22 874) the Hoare annotation is: (let ((.cse3 (<= ~a21~0 8)) (.cse0 (< 11 ~a12~0)) (.cse2 (<= ~a24~0 1)) (.cse1 (<= 9 ~a15~0)) (.cse4 (<= 10 ~a21~0))) (or (and .cse0 .cse1) (and .cse2 .cse3) (and .cse1 .cse3) (and .cse2 .cse0) (and (<= ~a12~0 11) (<= ~a15~0 6)) (and .cse2 .cse4) (and (<= 8 ~a15~0) .cse2 (<= ~a15~0 8)) (and .cse1 .cse4))) [2020-10-19 23:29:46,506 INFO L274 CegarLoopResult]: For program point L543(lines 543 872) no Hoare annotation was computed. [2020-10-19 23:29:46,506 INFO L274 CegarLoopResult]: For program point L213(lines 213 872) no Hoare annotation was computed. [2020-10-19 23:29:46,506 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-19 23:29:46,506 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-19 23:29:46,507 INFO L274 CegarLoopResult]: For program point L676(lines 676 872) no Hoare annotation was computed. [2020-10-19 23:29:46,507 INFO L274 CegarLoopResult]: For program point L809(lines 809 872) no Hoare annotation was computed. [2020-10-19 23:29:46,507 INFO L274 CegarLoopResult]: For program point L743(lines 743 872) no Hoare annotation was computed. [2020-10-19 23:29:46,507 INFO L274 CegarLoopResult]: For program point L611(lines 611 872) no Hoare annotation was computed. [2020-10-19 23:29:46,508 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,508 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,508 INFO L277 CegarLoopResult]: At program point L876(lines 876 892) the Hoare annotation is: true [2020-10-19 23:29:46,508 INFO L274 CegarLoopResult]: For program point L480(lines 480 872) no Hoare annotation was computed. [2020-10-19 23:29:46,509 INFO L274 CegarLoopResult]: For program point L282(lines 282 872) no Hoare annotation was computed. [2020-10-19 23:29:46,509 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-19 23:29:46,509 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-19 23:29:46,509 INFO L274 CegarLoopResult]: For program point L679(lines 679 872) no Hoare annotation was computed. [2020-10-19 23:29:46,509 INFO L274 CegarLoopResult]: For program point L349(lines 349 872) no Hoare annotation was computed. [2020-10-19 23:29:46,509 INFO L274 CegarLoopResult]: For program point L416(lines 416 872) no Hoare annotation was computed. [2020-10-19 23:29:46,510 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-19 23:29:46,510 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,510 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,510 INFO L274 CegarLoopResult]: For program point L549(lines 549 872) no Hoare annotation was computed. [2020-10-19 23:29:46,510 INFO L274 CegarLoopResult]: For program point L219(lines 219 872) no Hoare annotation was computed. [2020-10-19 23:29:46,511 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-19 23:29:46,511 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-19 23:29:46,511 INFO L274 CegarLoopResult]: For program point L749(lines 749 872) no Hoare annotation was computed. [2020-10-19 23:29:46,511 INFO L274 CegarLoopResult]: For program point L617(lines 617 872) no Hoare annotation was computed. [2020-10-19 23:29:46,511 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,511 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,512 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-19 23:29:46,512 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,512 INFO L274 CegarLoopResult]: For program point L816(lines 816 872) no Hoare annotation was computed. [2020-10-19 23:29:46,512 INFO L270 CegarLoopResult]: At program point L882-2(lines 882 891) the Hoare annotation is: (let ((.cse3 (<= ~a21~0 8)) (.cse0 (< 11 ~a12~0)) (.cse2 (<= ~a24~0 1)) (.cse1 (<= 9 ~a15~0)) (.cse4 (<= 10 ~a21~0))) (or (and .cse0 .cse1) (and .cse2 .cse3) (and .cse1 .cse3) (and .cse2 .cse0) (and (<= ~a12~0 11) (<= ~a15~0 6)) (and .cse2 .cse4) (and (<= 8 ~a15~0) .cse2 (<= ~a15~0 8)) (and .cse1 .cse4))) [2020-10-19 23:29:46,513 INFO L274 CegarLoopResult]: For program point L486(lines 486 872) no Hoare annotation was computed. [2020-10-19 23:29:46,513 INFO L274 CegarLoopResult]: For program point L288(lines 288 872) no Hoare annotation was computed. [2020-10-19 23:29:46,513 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-19 23:29:46,513 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-19 23:29:46,513 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-19 23:29:46,514 INFO L274 CegarLoopResult]: For program point L685(lines 685 872) no Hoare annotation was computed. [2020-10-19 23:29:46,514 INFO L274 CegarLoopResult]: For program point L355(lines 355 872) no Hoare annotation was computed. [2020-10-19 23:29:46,514 INFO L274 CegarLoopResult]: For program point L554(lines 554 872) no Hoare annotation was computed. [2020-10-19 23:29:46,514 INFO L274 CegarLoopResult]: For program point L422(lines 422 872) no Hoare annotation was computed. [2020-10-19 23:29:46,514 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,514 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,515 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,515 INFO L274 CegarLoopResult]: For program point L225(lines 225 872) no Hoare annotation was computed. [2020-10-19 23:29:46,515 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-19 23:29:46,515 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-19 23:29:46,515 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-19 23:29:46,515 INFO L274 CegarLoopResult]: For program point L754(lines 754 872) no Hoare annotation was computed. [2020-10-19 23:29:46,516 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-19 23:29:46,516 INFO L274 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-10-19 23:29:46,516 INFO L274 CegarLoopResult]: For program point L821(lines 821 872) no Hoare annotation was computed. [2020-10-19 23:29:46,516 INFO L274 CegarLoopResult]: For program point L623(lines 623 872) no Hoare annotation was computed. [2020-10-19 23:29:46,516 INFO L274 CegarLoopResult]: For program point L557(lines 557 872) no Hoare annotation was computed. [2020-10-19 23:29:46,516 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,516 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,517 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,517 INFO L274 CegarLoopResult]: For program point L690(lines 690 872) no Hoare annotation was computed. [2020-10-19 23:29:46,517 INFO L274 CegarLoopResult]: For program point L492(lines 492 872) no Hoare annotation was computed. [2020-10-19 23:29:46,517 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-19 23:29:46,518 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-19 23:29:46,518 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-19 23:29:46,518 INFO L274 CegarLoopResult]: For program point L361(lines 361 872) no Hoare annotation was computed. [2020-10-19 23:29:46,518 INFO L274 CegarLoopResult]: For program point L295(lines 295 872) no Hoare annotation was computed. [2020-10-19 23:29:46,518 INFO L274 CegarLoopResult]: For program point L428(lines 428 872) no Hoare annotation was computed. [2020-10-19 23:29:46,519 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,519 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,519 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,519 INFO L274 CegarLoopResult]: For program point L231(lines 231 872) no Hoare annotation was computed. [2020-10-19 23:29:46,520 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-19 23:29:46,520 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-19 23:29:46,520 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-19 23:29:46,520 INFO L274 CegarLoopResult]: For program point L760(lines 760 872) no Hoare annotation was computed. [2020-10-19 23:29:46,521 INFO L274 CegarLoopResult]: For program point L628(lines 628 872) no Hoare annotation was computed. [2020-10-19 23:29:46,521 INFO L274 CegarLoopResult]: For program point L827(lines 827 872) no Hoare annotation was computed. [2020-10-19 23:29:46,521 INFO L274 CegarLoopResult]: For program point L563(lines 563 872) no Hoare annotation was computed. [2020-10-19 23:29:46,521 INFO L274 CegarLoopResult]: For program point L497(lines 497 872) no Hoare annotation was computed. [2020-10-19 23:29:46,522 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,522 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,522 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:46,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 11:29:46 BoogieIcfgContainer [2020-10-19 23:29:46,549 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 23:29:46,549 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 23:29:46,549 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 23:29:46,550 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 23:29:46,551 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:29:21" (3/4) ... [2020-10-19 23:29:46,555 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 23:29:46,580 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-19 23:29:46,582 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-19 23:29:46,584 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 23:29:46,586 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 23:29:46,763 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 23:29:46,763 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 23:29:46,765 INFO L168 Benchmark]: Toolchain (without parser) took 28778.06 ms. Allocated memory was 35.1 MB in the beginning and 539.5 MB in the end (delta: 504.4 MB). Free memory was 10.6 MB in the beginning and 376.8 MB in the end (delta: -366.2 MB). Peak memory consumption was 138.2 MB. Max. memory is 14.3 GB. [2020-10-19 23:29:46,766 INFO L168 Benchmark]: CDTParser took 0.79 ms. Allocated memory is still 34.1 MB. Free memory was 19.2 MB in the beginning and 19.2 MB in the end (delta: 41.9 kB). Peak memory consumption was 41.9 kB. Max. memory is 14.3 GB. [2020-10-19 23:29:46,767 INFO L168 Benchmark]: CACSL2BoogieTranslator took 980.56 ms. Allocated memory was 35.1 MB in the beginning and 44.0 MB in the end (delta: 8.9 MB). Free memory was 9.7 MB in the beginning and 14.4 MB in the end (delta: -4.7 MB). Peak memory consumption was 9.0 MB. Max. memory is 14.3 GB. [2020-10-19 23:29:46,767 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.77 ms. Allocated memory was 44.0 MB in the beginning and 44.6 MB in the end (delta: 524.3 kB). Free memory was 14.4 MB in the beginning and 17.7 MB in the end (delta: -3.3 MB). Peak memory consumption was 3.9 MB. Max. memory is 14.3 GB. [2020-10-19 23:29:46,768 INFO L168 Benchmark]: Boogie Preprocessor took 135.13 ms. Allocated memory is still 44.6 MB. Free memory was 17.7 MB in the beginning and 11.1 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 14.3 GB. [2020-10-19 23:29:46,768 INFO L168 Benchmark]: RCFGBuilder took 1887.93 ms. Allocated memory was 44.6 MB in the beginning and 67.6 MB in the end (delta: 23.1 MB). Free memory was 11.1 MB in the beginning and 33.4 MB in the end (delta: -22.3 MB). Peak memory consumption was 21.2 MB. Max. memory is 14.3 GB. [2020-10-19 23:29:46,769 INFO L168 Benchmark]: TraceAbstraction took 25434.64 ms. Allocated memory was 67.6 MB in the beginning and 539.5 MB in the end (delta: 471.9 MB). Free memory was 33.0 MB in the beginning and 395.5 MB in the end (delta: -362.5 MB). Peak memory consumption was 109.4 MB. Max. memory is 14.3 GB. [2020-10-19 23:29:46,769 INFO L168 Benchmark]: Witness Printer took 214.52 ms. Allocated memory is still 539.5 MB. Free memory was 395.5 MB in the beginning and 376.8 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 14.3 GB. [2020-10-19 23:29:46,772 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.79 ms. Allocated memory is still 34.1 MB. Free memory was 19.2 MB in the beginning and 19.2 MB in the end (delta: 41.9 kB). Peak memory consumption was 41.9 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 980.56 ms. Allocated memory was 35.1 MB in the beginning and 44.0 MB in the end (delta: 8.9 MB). Free memory was 9.7 MB in the beginning and 14.4 MB in the end (delta: -4.7 MB). Peak memory consumption was 9.0 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 112.77 ms. Allocated memory was 44.0 MB in the beginning and 44.6 MB in the end (delta: 524.3 kB). Free memory was 14.4 MB in the beginning and 17.7 MB in the end (delta: -3.3 MB). Peak memory consumption was 3.9 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 135.13 ms. Allocated memory is still 44.6 MB. Free memory was 17.7 MB in the beginning and 11.1 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1887.93 ms. Allocated memory was 44.6 MB in the beginning and 67.6 MB in the end (delta: 23.1 MB). Free memory was 11.1 MB in the beginning and 33.4 MB in the end (delta: -22.3 MB). Peak memory consumption was 21.2 MB. Max. memory is 14.3 GB. * TraceAbstraction took 25434.64 ms. Allocated memory was 67.6 MB in the beginning and 539.5 MB in the end (delta: 471.9 MB). Free memory was 33.0 MB in the beginning and 395.5 MB in the end (delta: -362.5 MB). Peak memory consumption was 109.4 MB. Max. memory is 14.3 GB. * Witness Printer took 214.52 ms. Allocated memory is still 539.5 MB. Free memory was 395.5 MB in the beginning and 376.8 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 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: (((((((11 < a12 && 9 <= a15) || (a24 <= 1 && a21 <= 8)) || (9 <= a15 && a21 <= 8)) || (a24 <= 1 && 11 < a12)) || (a12 <= 11 && a15 <= 6)) || (a24 <= 1 && 10 <= a21)) || ((8 <= a15 && a24 <= 1) && a15 <= 8)) || (9 <= a15 && 10 <= a21) - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: (((((((11 < a12 && 9 <= a15) || (a24 <= 1 && a21 <= 8)) || (9 <= a15 && a21 <= 8)) || (a24 <= 1 && 11 < a12)) || (a12 <= 11 && a15 <= 6)) || (a24 <= 1 && 10 <= a21)) || ((8 <= a15 && a24 <= 1) && a15 <= 8)) || (9 <= a15 && 10 <= a21) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 246 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 24.9s, OverallIterations: 14, TraceHistogramMax: 7, AutomataDifference: 12.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1577 SDtfs, 1851 SDslu, 70 SDs, 0 SdLazy, 6867 SolverSat, 1008 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3165 GetRequests, 3125 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3920occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 14 MinimizatonAttempts, 1424 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 61 NumberOfFragments, 121 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1494 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 196 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 8503 NumberOfCodeBlocks, 8503 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 8482 ConstructedInterpolants, 0 QuantifiedInterpolants, 12060090 SizeOfPredicates, 6 NumberOfNonLiveVariables, 4170 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 21 InterpolantComputations, 14 PerfectInterpolantSequences, 12344/13197 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...