./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem01_label04.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/Problem01_label04.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 1a0c03167c87575a9b25608a5584f0444decee5b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 22:29:19,762 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 22:29:19,765 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 22:29:19,807 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 22:29:19,807 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 22:29:19,816 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 22:29:19,818 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 22:29:19,822 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 22:29:19,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 22:29:19,827 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 22:29:19,829 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 22:29:19,830 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 22:29:19,830 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 22:29:19,834 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 22:29:19,835 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 22:29:19,837 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 22:29:19,839 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 22:29:19,839 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 22:29:19,842 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 22:29:19,847 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 22:29:19,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 22:29:19,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 22:29:19,853 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 22:29:19,854 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 22:29:19,864 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 22:29:19,864 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 22:29:19,865 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 22:29:19,865 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 22:29:19,868 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 22:29:19,869 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 22:29:19,869 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 22:29:19,870 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 22:29:19,871 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 22:29:19,873 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 22:29:19,874 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 22:29:19,875 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 22:29:19,876 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 22:29:19,876 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 22:29:19,876 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 22:29:19,877 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 22:29:19,878 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 22:29:19,879 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-19 22:29:19,909 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 22:29:19,909 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 22:29:19,910 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 22:29:19,910 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 22:29:19,911 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 22:29:19,911 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 22:29:19,911 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 22:29:19,911 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 22:29:19,912 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 22:29:19,912 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 22:29:19,912 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 22:29:19,912 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 22:29:19,913 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 22:29:19,913 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 22:29:19,913 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 22:29:19,913 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 22:29:19,914 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 22:29:19,914 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 22:29:19,914 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 22:29:19,914 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 22:29:19,915 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 22:29:19,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 22:29:19,915 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 22:29:19,915 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 22:29:19,916 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 22:29:19,916 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 22:29:19,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 22:29:19,916 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 22:29:19,917 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 22:29:19,917 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 -> 1a0c03167c87575a9b25608a5584f0444decee5b [2020-10-19 22:29:20,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 22:29:20,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 22:29:20,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 22:29:20,126 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 22:29:20,127 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 22:29:20,128 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label04.c [2020-10-19 22:29:20,185 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d06c9e5b8/e03e1c19af984efcb7fcc537b1164930/FLAGe10f93b48 [2020-10-19 22:29:20,758 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 22:29:20,759 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label04.c [2020-10-19 22:29:20,786 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d06c9e5b8/e03e1c19af984efcb7fcc537b1164930/FLAGe10f93b48 [2020-10-19 22:29:21,201 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d06c9e5b8/e03e1c19af984efcb7fcc537b1164930 [2020-10-19 22:29:21,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 22:29:21,210 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 22:29:21,211 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 22:29:21,212 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 22:29:21,215 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 22:29:21,216 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:29:21" (1/1) ... [2020-10-19 22:29:21,222 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fc9399e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:21, skipping insertion in model container [2020-10-19 22:29:21,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:29:21" (1/1) ... [2020-10-19 22:29:21,231 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 22:29:21,288 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 22:29:21,739 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:29:21,751 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 22:29:21,872 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:29:21,893 INFO L208 MainTranslator]: Completed translation [2020-10-19 22:29:21,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:21 WrapperNode [2020-10-19 22:29:21,894 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 22:29:21,895 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 22:29:21,895 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 22:29:21,895 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 22:29:21,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:21" (1/1) ... [2020-10-19 22:29:21,925 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:21" (1/1) ... [2020-10-19 22:29:21,981 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 22:29:21,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 22:29:21,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 22:29:21,982 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 22:29:21,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:21" (1/1) ... [2020-10-19 22:29:21,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:21" (1/1) ... [2020-10-19 22:29:21,998 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:21" (1/1) ... [2020-10-19 22:29:21,999 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:21" (1/1) ... [2020-10-19 22:29:22,031 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:21" (1/1) ... [2020-10-19 22:29:22,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:21" (1/1) ... [2020-10-19 22:29:22,074 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:21" (1/1) ... [2020-10-19 22:29:22,083 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 22:29:22,083 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 22:29:22,084 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 22:29:22,084 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 22:29:22,085 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:21" (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 22:29:22,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 22:29:22,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 22:29:22,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 22:29:22,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 22:29:23,402 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 22:29:23,402 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 22:29:23,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:29:23 BoogieIcfgContainer [2020-10-19 22:29:23,404 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 22:29:23,406 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 22:29:23,406 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 22:29:23,409 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 22:29:23,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 10:29:21" (1/3) ... [2020-10-19 22:29:23,411 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10452197 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:29:23, skipping insertion in model container [2020-10-19 22:29:23,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:21" (2/3) ... [2020-10-19 22:29:23,411 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10452197 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:29:23, skipping insertion in model container [2020-10-19 22:29:23,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:29:23" (3/3) ... [2020-10-19 22:29:23,413 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label04.c [2020-10-19 22:29:23,424 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 22:29:23,432 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-19 22:29:23,446 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-19 22:29:23,471 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 22:29:23,472 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 22:29:23,472 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 22:29:23,472 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 22:29:23,472 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 22:29:23,473 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 22:29:23,473 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 22:29:23,473 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 22:29:23,493 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2020-10-19 22:29:23,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-19 22:29:23,503 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:23,504 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:29:23,504 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:23,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:23,509 INFO L82 PathProgramCache]: Analyzing trace with hash 857742575, now seen corresponding path program 1 times [2020-10-19 22:29:23,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:23,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811040676] [2020-10-19 22:29:23,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:23,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:23,964 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 22:29:23,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811040676] [2020-10-19 22:29:23,966 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:29:23,966 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:29:23,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477879487] [2020-10-19 22:29:23,972 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:23,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:23,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:23,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:29:23,989 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 3 states. [2020-10-19 22:29:25,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:25,076 INFO L93 Difference]: Finished difference Result 554 states and 941 transitions. [2020-10-19 22:29:25,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:25,079 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2020-10-19 22:29:25,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:25,094 INFO L225 Difference]: With dead ends: 554 [2020-10-19 22:29:25,095 INFO L226 Difference]: Without dead ends: 266 [2020-10-19 22:29:25,099 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 22:29:25,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-10-19 22:29:25,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-10-19 22:29:25,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-10-19 22:29:25,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 380 transitions. [2020-10-19 22:29:25,161 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 380 transitions. Word has length 96 [2020-10-19 22:29:25,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:25,162 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 380 transitions. [2020-10-19 22:29:25,162 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:25,163 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 380 transitions. [2020-10-19 22:29:25,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-10-19 22:29:25,167 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:25,167 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:29:25,168 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 22:29:25,168 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:25,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:25,169 INFO L82 PathProgramCache]: Analyzing trace with hash 1186737924, now seen corresponding path program 1 times [2020-10-19 22:29:25,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:25,169 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899878038] [2020-10-19 22:29:25,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:25,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:25,253 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:29:25,254 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899878038] [2020-10-19 22:29:25,254 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:29:25,255 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:29:25,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381097992] [2020-10-19 22:29:25,257 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:25,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:25,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:25,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:29:25,259 INFO L87 Difference]: Start difference. First operand 266 states and 380 transitions. Second operand 3 states. [2020-10-19 22:29:25,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:25,792 INFO L93 Difference]: Finished difference Result 792 states and 1135 transitions. [2020-10-19 22:29:25,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:25,794 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2020-10-19 22:29:25,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:25,799 INFO L225 Difference]: With dead ends: 792 [2020-10-19 22:29:25,799 INFO L226 Difference]: Without dead ends: 528 [2020-10-19 22:29:25,801 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 22:29:25,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2020-10-19 22:29:25,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2020-10-19 22:29:25,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2020-10-19 22:29:25,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 709 transitions. [2020-10-19 22:29:25,835 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 709 transitions. Word has length 102 [2020-10-19 22:29:25,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:25,836 INFO L481 AbstractCegarLoop]: Abstraction has 528 states and 709 transitions. [2020-10-19 22:29:25,836 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:25,836 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 709 transitions. [2020-10-19 22:29:25,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-10-19 22:29:25,841 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:25,841 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:29:25,841 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-19 22:29:25,841 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:25,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:25,842 INFO L82 PathProgramCache]: Analyzing trace with hash 1212901892, now seen corresponding path program 1 times [2020-10-19 22:29:25,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:25,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057804476] [2020-10-19 22:29:25,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:25,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:26,018 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-19 22:29:26,018 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057804476] [2020-10-19 22:29:26,019 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:29:26,019 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:29:26,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587462623] [2020-10-19 22:29:26,020 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:26,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:26,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:26,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:29:26,021 INFO L87 Difference]: Start difference. First operand 528 states and 709 transitions. Second operand 3 states. [2020-10-19 22:29:26,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:26,574 INFO L93 Difference]: Finished difference Result 1578 states and 2122 transitions. [2020-10-19 22:29:26,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:26,574 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2020-10-19 22:29:26,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:26,582 INFO L225 Difference]: With dead ends: 1578 [2020-10-19 22:29:26,582 INFO L226 Difference]: Without dead ends: 1052 [2020-10-19 22:29:26,584 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 22:29:26,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2020-10-19 22:29:26,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 1052. [2020-10-19 22:29:26,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2020-10-19 22:29:26,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1365 transitions. [2020-10-19 22:29:26,619 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1365 transitions. Word has length 103 [2020-10-19 22:29:26,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:26,620 INFO L481 AbstractCegarLoop]: Abstraction has 1052 states and 1365 transitions. [2020-10-19 22:29:26,620 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:26,621 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1365 transitions. [2020-10-19 22:29:26,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-19 22:29:26,627 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:26,628 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:29:26,628 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-19 22:29:26,628 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:26,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:26,629 INFO L82 PathProgramCache]: Analyzing trace with hash -295832496, now seen corresponding path program 1 times [2020-10-19 22:29:26,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:26,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275482109] [2020-10-19 22:29:26,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:26,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:26,688 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-19 22:29:26,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275482109] [2020-10-19 22:29:26,690 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:29:26,690 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:29:26,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505538474] [2020-10-19 22:29:26,691 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:26,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:26,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:26,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:29:26,692 INFO L87 Difference]: Start difference. First operand 1052 states and 1365 transitions. Second operand 3 states. [2020-10-19 22:29:27,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:27,298 INFO L93 Difference]: Finished difference Result 2888 states and 3762 transitions. [2020-10-19 22:29:27,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:27,299 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2020-10-19 22:29:27,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:27,308 INFO L225 Difference]: With dead ends: 2888 [2020-10-19 22:29:27,308 INFO L226 Difference]: Without dead ends: 1838 [2020-10-19 22:29:27,310 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 22:29:27,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2020-10-19 22:29:27,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1314. [2020-10-19 22:29:27,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1314 states. [2020-10-19 22:29:27,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1646 transitions. [2020-10-19 22:29:27,368 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1646 transitions. Word has length 116 [2020-10-19 22:29:27,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:27,368 INFO L481 AbstractCegarLoop]: Abstraction has 1314 states and 1646 transitions. [2020-10-19 22:29:27,369 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:27,369 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1646 transitions. [2020-10-19 22:29:27,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-19 22:29:27,376 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:27,377 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:29:27,378 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-19 22:29:27,378 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:27,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:27,379 INFO L82 PathProgramCache]: Analyzing trace with hash 1066815200, now seen corresponding path program 1 times [2020-10-19 22:29:27,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:27,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079461671] [2020-10-19 22:29:27,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:27,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:27,532 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:29:27,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079461671] [2020-10-19 22:29:27,533 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:29:27,533 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:29:27,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976627398] [2020-10-19 22:29:27,534 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:27,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:27,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:27,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:29:27,535 INFO L87 Difference]: Start difference. First operand 1314 states and 1646 transitions. Second operand 3 states. [2020-10-19 22:29:28,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:28,152 INFO L93 Difference]: Finished difference Result 3936 states and 4933 transitions. [2020-10-19 22:29:28,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:28,153 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2020-10-19 22:29:28,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:28,172 INFO L225 Difference]: With dead ends: 3936 [2020-10-19 22:29:28,172 INFO L226 Difference]: Without dead ends: 2624 [2020-10-19 22:29:28,175 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 22:29:28,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2624 states. [2020-10-19 22:29:28,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2624 to 2231. [2020-10-19 22:29:28,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2231 states. [2020-10-19 22:29:28,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2725 transitions. [2020-10-19 22:29:28,249 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2725 transitions. Word has length 119 [2020-10-19 22:29:28,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:28,250 INFO L481 AbstractCegarLoop]: Abstraction has 2231 states and 2725 transitions. [2020-10-19 22:29:28,250 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:28,251 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2725 transitions. [2020-10-19 22:29:28,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-19 22:29:28,255 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:28,255 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:29:28,256 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-19 22:29:28,256 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:28,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:28,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1219850033, now seen corresponding path program 1 times [2020-10-19 22:29:28,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:28,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48362890] [2020-10-19 22:29:28,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:28,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:28,382 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:29:28,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48362890] [2020-10-19 22:29:28,384 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:29:28,385 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:29:28,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998099444] [2020-10-19 22:29:28,386 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 22:29:28,386 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:28,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 22:29:28,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 22:29:28,387 INFO L87 Difference]: Start difference. First operand 2231 states and 2725 transitions. Second operand 4 states. [2020-10-19 22:29:29,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:29,171 INFO L93 Difference]: Finished difference Result 4853 states and 5865 transitions. [2020-10-19 22:29:29,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 22:29:29,171 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 122 [2020-10-19 22:29:29,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:29,184 INFO L225 Difference]: With dead ends: 4853 [2020-10-19 22:29:29,184 INFO L226 Difference]: Without dead ends: 2755 [2020-10-19 22:29:29,187 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 22:29:29,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2755 states. [2020-10-19 22:29:29,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2755 to 2362. [2020-10-19 22:29:29,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2362 states. [2020-10-19 22:29:29,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2362 states to 2362 states and 2850 transitions. [2020-10-19 22:29:29,235 INFO L78 Accepts]: Start accepts. Automaton has 2362 states and 2850 transitions. Word has length 122 [2020-10-19 22:29:29,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:29,235 INFO L481 AbstractCegarLoop]: Abstraction has 2362 states and 2850 transitions. [2020-10-19 22:29:29,236 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 22:29:29,236 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 2850 transitions. [2020-10-19 22:29:29,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-19 22:29:29,241 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:29,241 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:29:29,241 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-19 22:29:29,241 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:29,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:29,242 INFO L82 PathProgramCache]: Analyzing trace with hash -846357418, now seen corresponding path program 1 times [2020-10-19 22:29:29,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:29,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720173697] [2020-10-19 22:29:29,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:29,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:29,291 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-19 22:29:29,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720173697] [2020-10-19 22:29:29,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:29:29,293 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:29:29,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104636543] [2020-10-19 22:29:29,293 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:29,294 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:29,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:29,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:29:29,295 INFO L87 Difference]: Start difference. First operand 2362 states and 2850 transitions. Second operand 3 states. [2020-10-19 22:29:29,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:29,800 INFO L93 Difference]: Finished difference Result 4853 states and 5829 transitions. [2020-10-19 22:29:29,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:29,800 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2020-10-19 22:29:29,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:29,811 INFO L225 Difference]: With dead ends: 4853 [2020-10-19 22:29:29,834 INFO L226 Difference]: Without dead ends: 2362 [2020-10-19 22:29:29,838 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 22:29:29,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2020-10-19 22:29:29,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 2362. [2020-10-19 22:29:29,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2362 states. [2020-10-19 22:29:29,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2362 states to 2362 states and 2637 transitions. [2020-10-19 22:29:29,883 INFO L78 Accepts]: Start accepts. Automaton has 2362 states and 2637 transitions. Word has length 123 [2020-10-19 22:29:29,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:29,884 INFO L481 AbstractCegarLoop]: Abstraction has 2362 states and 2637 transitions. [2020-10-19 22:29:29,884 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:29,884 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 2637 transitions. [2020-10-19 22:29:29,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-19 22:29:29,889 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:29,889 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:29:29,889 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-19 22:29:29,890 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:29,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:29,890 INFO L82 PathProgramCache]: Analyzing trace with hash -1029766820, now seen corresponding path program 1 times [2020-10-19 22:29:29,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:29,891 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528201461] [2020-10-19 22:29:29,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:29,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:29,956 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-19 22:29:29,956 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528201461] [2020-10-19 22:29:29,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:29:29,957 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:29:29,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434860938] [2020-10-19 22:29:29,958 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:29,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:29,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:29,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:29:29,959 INFO L87 Difference]: Start difference. First operand 2362 states and 2637 transitions. Second operand 3 states. [2020-10-19 22:29:30,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:30,452 INFO L93 Difference]: Finished difference Result 4591 states and 5134 transitions. [2020-10-19 22:29:30,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:30,453 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2020-10-19 22:29:30,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:30,467 INFO L225 Difference]: With dead ends: 4591 [2020-10-19 22:29:30,468 INFO L226 Difference]: Without dead ends: 2362 [2020-10-19 22:29:30,472 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 22:29:30,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2020-10-19 22:29:30,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 2362. [2020-10-19 22:29:30,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2362 states. [2020-10-19 22:29:30,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2362 states to 2362 states and 2594 transitions. [2020-10-19 22:29:30,533 INFO L78 Accepts]: Start accepts. Automaton has 2362 states and 2594 transitions. Word has length 127 [2020-10-19 22:29:30,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:30,534 INFO L481 AbstractCegarLoop]: Abstraction has 2362 states and 2594 transitions. [2020-10-19 22:29:30,534 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:30,534 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 2594 transitions. [2020-10-19 22:29:30,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-19 22:29:30,542 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:30,542 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:29:30,543 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-19 22:29:30,543 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:30,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:30,544 INFO L82 PathProgramCache]: Analyzing trace with hash -1135125440, now seen corresponding path program 1 times [2020-10-19 22:29:30,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:30,545 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369007548] [2020-10-19 22:29:30,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:30,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:30,623 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-10-19 22:29:30,624 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369007548] [2020-10-19 22:29:30,624 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:29:30,625 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:29:30,625 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967491663] [2020-10-19 22:29:30,626 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:30,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:30,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:30,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:29:30,627 INFO L87 Difference]: Start difference. First operand 2362 states and 2594 transitions. Second operand 3 states. [2020-10-19 22:29:31,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:31,102 INFO L93 Difference]: Finished difference Result 5377 states and 5944 transitions. [2020-10-19 22:29:31,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:31,102 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2020-10-19 22:29:31,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:31,116 INFO L225 Difference]: With dead ends: 5377 [2020-10-19 22:29:31,117 INFO L226 Difference]: Without dead ends: 3148 [2020-10-19 22:29:31,119 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 22:29:31,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3148 states. [2020-10-19 22:29:31,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3148 to 3017. [2020-10-19 22:29:31,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3017 states. [2020-10-19 22:29:31,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3017 states to 3017 states and 3345 transitions. [2020-10-19 22:29:31,174 INFO L78 Accepts]: Start accepts. Automaton has 3017 states and 3345 transitions. Word has length 136 [2020-10-19 22:29:31,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:31,174 INFO L481 AbstractCegarLoop]: Abstraction has 3017 states and 3345 transitions. [2020-10-19 22:29:31,175 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:31,175 INFO L276 IsEmpty]: Start isEmpty. Operand 3017 states and 3345 transitions. [2020-10-19 22:29:31,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-19 22:29:31,180 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:31,181 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:29:31,181 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-19 22:29:31,181 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:31,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:31,182 INFO L82 PathProgramCache]: Analyzing trace with hash -1637391207, now seen corresponding path program 1 times [2020-10-19 22:29:31,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:31,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506885779] [2020-10-19 22:29:31,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:31,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:31,262 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-10-19 22:29:31,262 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506885779] [2020-10-19 22:29:31,263 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:29:31,263 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:29:31,263 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500503165] [2020-10-19 22:29:31,264 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:31,264 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:31,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:31,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:29:31,265 INFO L87 Difference]: Start difference. First operand 3017 states and 3345 transitions. Second operand 3 states. [2020-10-19 22:29:31,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:31,726 INFO L93 Difference]: Finished difference Result 6032 states and 6690 transitions. [2020-10-19 22:29:31,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:31,729 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2020-10-19 22:29:31,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:31,742 INFO L225 Difference]: With dead ends: 6032 [2020-10-19 22:29:31,742 INFO L226 Difference]: Without dead ends: 3148 [2020-10-19 22:29:31,746 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 22:29:31,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3148 states. [2020-10-19 22:29:31,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3148 to 3017. [2020-10-19 22:29:31,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3017 states. [2020-10-19 22:29:31,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3017 states to 3017 states and 3335 transitions. [2020-10-19 22:29:31,831 INFO L78 Accepts]: Start accepts. Automaton has 3017 states and 3335 transitions. Word has length 155 [2020-10-19 22:29:31,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:31,831 INFO L481 AbstractCegarLoop]: Abstraction has 3017 states and 3335 transitions. [2020-10-19 22:29:31,832 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:31,832 INFO L276 IsEmpty]: Start isEmpty. Operand 3017 states and 3335 transitions. [2020-10-19 22:29:31,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-19 22:29:31,838 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:31,838 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:29:31,839 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-19 22:29:31,839 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:31,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:31,839 INFO L82 PathProgramCache]: Analyzing trace with hash -954415027, now seen corresponding path program 1 times [2020-10-19 22:29:31,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:31,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511926105] [2020-10-19 22:29:31,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:31,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:31,942 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-10-19 22:29:31,943 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511926105] [2020-10-19 22:29:31,943 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:29:31,943 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:29:31,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740283652] [2020-10-19 22:29:31,944 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 22:29:31,944 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:31,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 22:29:31,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 22:29:31,945 INFO L87 Difference]: Start difference. First operand 3017 states and 3335 transitions. Second operand 4 states. [2020-10-19 22:29:32,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:32,682 INFO L93 Difference]: Finished difference Result 6163 states and 6820 transitions. [2020-10-19 22:29:32,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 22:29:32,685 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 171 [2020-10-19 22:29:32,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:32,697 INFO L225 Difference]: With dead ends: 6163 [2020-10-19 22:29:32,698 INFO L226 Difference]: Without dead ends: 3279 [2020-10-19 22:29:32,701 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 22:29:32,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3279 states. [2020-10-19 22:29:32,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3279 to 3017. [2020-10-19 22:29:32,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3017 states. [2020-10-19 22:29:32,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3017 states to 3017 states and 3315 transitions. [2020-10-19 22:29:32,752 INFO L78 Accepts]: Start accepts. Automaton has 3017 states and 3315 transitions. Word has length 171 [2020-10-19 22:29:32,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:32,752 INFO L481 AbstractCegarLoop]: Abstraction has 3017 states and 3315 transitions. [2020-10-19 22:29:32,752 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 22:29:32,753 INFO L276 IsEmpty]: Start isEmpty. Operand 3017 states and 3315 transitions. [2020-10-19 22:29:32,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-10-19 22:29:32,759 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:32,759 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 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, 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 22:29:32,759 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-19 22:29:32,759 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:32,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:32,760 INFO L82 PathProgramCache]: Analyzing trace with hash -2143835308, now seen corresponding path program 1 times [2020-10-19 22:29:32,760 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:32,761 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981779372] [2020-10-19 22:29:32,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:32,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:32,855 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 130 proven. 6 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-10-19 22:29:32,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981779372] [2020-10-19 22:29:32,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [506668799] [2020-10-19 22:29:32,856 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 22:29:32,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:32,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:29:33,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:29:33,111 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2020-10-19 22:29:33,111 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:29:33,112 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-19 22:29:33,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306653288] [2020-10-19 22:29:33,112 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:33,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:33,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:33,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-19 22:29:33,113 INFO L87 Difference]: Start difference. First operand 3017 states and 3315 transitions. Second operand 3 states. [2020-10-19 22:29:33,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:33,586 INFO L93 Difference]: Finished difference Result 6687 states and 7392 transitions. [2020-10-19 22:29:33,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:33,586 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 188 [2020-10-19 22:29:33,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:33,603 INFO L225 Difference]: With dead ends: 6687 [2020-10-19 22:29:33,604 INFO L226 Difference]: Without dead ends: 3803 [2020-10-19 22:29:33,608 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-19 22:29:33,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3803 states. [2020-10-19 22:29:33,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3803 to 3148. [2020-10-19 22:29:33,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3148 states. [2020-10-19 22:29:33,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3148 states to 3148 states and 3458 transitions. [2020-10-19 22:29:33,675 INFO L78 Accepts]: Start accepts. Automaton has 3148 states and 3458 transitions. Word has length 188 [2020-10-19 22:29:33,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:33,675 INFO L481 AbstractCegarLoop]: Abstraction has 3148 states and 3458 transitions. [2020-10-19 22:29:33,675 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:33,675 INFO L276 IsEmpty]: Start isEmpty. Operand 3148 states and 3458 transitions. [2020-10-19 22:29:33,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-10-19 22:29:33,683 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:33,683 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:29:33,897 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-10-19 22:29:33,897 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:33,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:33,898 INFO L82 PathProgramCache]: Analyzing trace with hash -1013321488, now seen corresponding path program 1 times [2020-10-19 22:29:33,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:33,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97830943] [2020-10-19 22:29:33,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:33,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:34,057 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 163 proven. 6 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-19 22:29:34,058 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97830943] [2020-10-19 22:29:34,058 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461155577] [2020-10-19 22:29:34,058 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 22:29:34,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:34,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:29:34,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:29:34,309 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-10-19 22:29:34,310 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:29:34,310 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-19 22:29:34,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871887254] [2020-10-19 22:29:34,311 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:34,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:34,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:34,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-19 22:29:34,312 INFO L87 Difference]: Start difference. First operand 3148 states and 3458 transitions. Second operand 3 states. [2020-10-19 22:29:34,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:34,746 INFO L93 Difference]: Finished difference Result 3543 states and 3897 transitions. [2020-10-19 22:29:34,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:34,747 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 221 [2020-10-19 22:29:34,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:34,773 INFO L225 Difference]: With dead ends: 3543 [2020-10-19 22:29:34,775 INFO L226 Difference]: Without dead ends: 3541 [2020-10-19 22:29:34,776 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-19 22:29:34,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3541 states. [2020-10-19 22:29:34,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3541 to 3410. [2020-10-19 22:29:34,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3410 states. [2020-10-19 22:29:34,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3410 states to 3410 states and 3755 transitions. [2020-10-19 22:29:34,824 INFO L78 Accepts]: Start accepts. Automaton has 3410 states and 3755 transitions. Word has length 221 [2020-10-19 22:29:34,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:34,825 INFO L481 AbstractCegarLoop]: Abstraction has 3410 states and 3755 transitions. [2020-10-19 22:29:34,825 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:34,825 INFO L276 IsEmpty]: Start isEmpty. Operand 3410 states and 3755 transitions. [2020-10-19 22:29:34,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-10-19 22:29:34,833 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:34,833 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 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, 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] [2020-10-19 22:29:35,047 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-10-19 22:29:35,048 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:35,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:35,048 INFO L82 PathProgramCache]: Analyzing trace with hash -300742697, now seen corresponding path program 1 times [2020-10-19 22:29:35,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:35,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878941625] [2020-10-19 22:29:35,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:35,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:35,311 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 162 proven. 49 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-19 22:29:35,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878941625] [2020-10-19 22:29:35,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [387267557] [2020-10-19 22:29:35,312 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 22:29:35,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:35,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:29:35,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:29:35,494 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-10-19 22:29:35,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:29:35,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-10-19 22:29:35,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416865981] [2020-10-19 22:29:35,496 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:35,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:35,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:35,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-19 22:29:35,497 INFO L87 Difference]: Start difference. First operand 3410 states and 3755 transitions. Second operand 3 states. [2020-10-19 22:29:35,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:35,932 INFO L93 Difference]: Finished difference Result 6687 states and 7374 transitions. [2020-10-19 22:29:35,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:35,932 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 234 [2020-10-19 22:29:35,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:35,938 INFO L225 Difference]: With dead ends: 6687 [2020-10-19 22:29:35,938 INFO L226 Difference]: Without dead ends: 3410 [2020-10-19 22:29:35,941 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-19 22:29:35,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3410 states. [2020-10-19 22:29:35,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3410 to 3148. [2020-10-19 22:29:35,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3148 states. [2020-10-19 22:29:35,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3148 states to 3148 states and 3428 transitions. [2020-10-19 22:29:35,974 INFO L78 Accepts]: Start accepts. Automaton has 3148 states and 3428 transitions. Word has length 234 [2020-10-19 22:29:35,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:35,975 INFO L481 AbstractCegarLoop]: Abstraction has 3148 states and 3428 transitions. [2020-10-19 22:29:35,975 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:35,975 INFO L276 IsEmpty]: Start isEmpty. Operand 3148 states and 3428 transitions. [2020-10-19 22:29:35,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-10-19 22:29:35,982 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:35,983 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 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, 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 22:29:36,197 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-10-19 22:29:36,198 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:36,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:36,199 INFO L82 PathProgramCache]: Analyzing trace with hash -1425291763, now seen corresponding path program 1 times [2020-10-19 22:29:36,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:36,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079836075] [2020-10-19 22:29:36,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:36,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:36,325 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 194 proven. 6 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2020-10-19 22:29:36,325 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079836075] [2020-10-19 22:29:36,325 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [698186678] [2020-10-19 22:29:36,326 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 22:29:36,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:36,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-19 22:29:36,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:29:36,517 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2020-10-19 22:29:36,517 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:29:36,517 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-19 22:29:36,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494948983] [2020-10-19 22:29:36,518 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:36,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:36,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:36,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-19 22:29:36,519 INFO L87 Difference]: Start difference. First operand 3148 states and 3428 transitions. Second operand 3 states. [2020-10-19 22:29:37,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:37,005 INFO L93 Difference]: Finished difference Result 6030 states and 6567 transitions. [2020-10-19 22:29:37,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:37,006 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 246 [2020-10-19 22:29:37,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:37,006 INFO L225 Difference]: With dead ends: 6030 [2020-10-19 22:29:37,007 INFO L226 Difference]: Without dead ends: 0 [2020-10-19 22:29:37,013 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-19 22:29:37,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-19 22:29:37,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-19 22:29:37,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-19 22:29:37,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 22:29:37,013 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 246 [2020-10-19 22:29:37,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:37,014 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 22:29:37,014 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:37,014 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-19 22:29:37,014 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 22:29:37,226 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:29:37,231 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-19 22:29:37,513 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 40 [2020-10-19 22:29:37,719 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 40 [2020-10-19 22:29:37,723 INFO L274 CegarLoopResult]: For program point L564-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,723 INFO L274 CegarLoopResult]: For program point L531-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,723 INFO L274 CegarLoopResult]: For program point L498-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,723 INFO L274 CegarLoopResult]: For program point L465-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,723 INFO L274 CegarLoopResult]: For program point L432-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,723 INFO L274 CegarLoopResult]: For program point L399-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,723 INFO L274 CegarLoopResult]: For program point L267(lines 267 392) no Hoare annotation was computed. [2020-10-19 22:29:37,723 INFO L274 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-19 22:29:37,724 INFO L274 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-19 22:29:37,724 INFO L274 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-19 22:29:37,724 INFO L274 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-19 22:29:37,724 INFO L274 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-19 22:29:37,724 INFO L274 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-10-19 22:29:37,724 INFO L274 CegarLoopResult]: For program point L367(lines 367 392) no Hoare annotation was computed. [2020-10-19 22:29:37,724 INFO L274 CegarLoopResult]: For program point L301(lines 301 392) no Hoare annotation was computed. [2020-10-19 22:29:37,724 INFO L274 CegarLoopResult]: For program point L37(lines 37 392) no Hoare annotation was computed. [2020-10-19 22:29:37,724 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-19 22:29:37,725 INFO L274 CegarLoopResult]: For program point L335(lines 335 392) no Hoare annotation was computed. [2020-10-19 22:29:37,725 INFO L274 CegarLoopResult]: For program point L104(lines 104 392) no Hoare annotation was computed. [2020-10-19 22:29:37,725 INFO L274 CegarLoopResult]: For program point L567-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,725 INFO L274 CegarLoopResult]: For program point L534-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,727 INFO L274 CegarLoopResult]: For program point L501-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,728 INFO L274 CegarLoopResult]: For program point L468-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,728 INFO L274 CegarLoopResult]: For program point L435-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,728 INFO L274 CegarLoopResult]: For program point L402-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,729 INFO L274 CegarLoopResult]: For program point L270(lines 270 392) no Hoare annotation was computed. [2020-10-19 22:29:37,730 INFO L274 CegarLoopResult]: For program point L138(lines 138 392) no Hoare annotation was computed. [2020-10-19 22:29:37,730 INFO L274 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-19 22:29:37,730 INFO L274 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-19 22:29:37,730 INFO L274 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-19 22:29:37,730 INFO L274 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-19 22:29:37,730 INFO L274 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-19 22:29:37,731 INFO L274 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-10-19 22:29:37,731 INFO L274 CegarLoopResult]: For program point L205(lines 205 392) no Hoare annotation was computed. [2020-10-19 22:29:37,731 INFO L274 CegarLoopResult]: For program point L74(lines 74 392) no Hoare annotation was computed. [2020-10-19 22:29:37,731 INFO L274 CegarLoopResult]: For program point L570-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,731 INFO L274 CegarLoopResult]: For program point L537-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,731 INFO L274 CegarLoopResult]: For program point L504-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,731 INFO L274 CegarLoopResult]: For program point L471-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,732 INFO L274 CegarLoopResult]: For program point L438-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,732 INFO L274 CegarLoopResult]: For program point L405-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,732 INFO L274 CegarLoopResult]: For program point L339(lines 339 392) no Hoare annotation was computed. [2020-10-19 22:29:37,732 INFO L274 CegarLoopResult]: For program point L240(lines 240 392) no Hoare annotation was computed. [2020-10-19 22:29:37,732 INFO L274 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-19 22:29:37,732 INFO L274 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-19 22:29:37,733 INFO L274 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-19 22:29:37,733 INFO L274 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-19 22:29:37,733 INFO L274 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-19 22:29:37,733 INFO L274 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-10-19 22:29:37,733 INFO L274 CegarLoopResult]: For program point L175(lines 175 392) no Hoare annotation was computed. [2020-10-19 22:29:37,733 INFO L274 CegarLoopResult]: For program point L142(lines 142 392) no Hoare annotation was computed. [2020-10-19 22:29:37,734 INFO L274 CegarLoopResult]: For program point L374(lines 374 392) no Hoare annotation was computed. [2020-10-19 22:29:37,734 INFO L274 CegarLoopResult]: For program point L308(lines 308 392) no Hoare annotation was computed. [2020-10-19 22:29:37,734 INFO L274 CegarLoopResult]: For program point L275(lines 275 392) no Hoare annotation was computed. [2020-10-19 22:29:37,734 INFO L274 CegarLoopResult]: For program point L110(lines 110 392) no Hoare annotation was computed. [2020-10-19 22:29:37,734 INFO L274 CegarLoopResult]: For program point L573-1(lines 573 575) no Hoare annotation was computed. [2020-10-19 22:29:37,734 INFO L274 CegarLoopResult]: For program point L540-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,734 INFO L274 CegarLoopResult]: For program point L507-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,735 INFO L274 CegarLoopResult]: For program point L474-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,735 INFO L274 CegarLoopResult]: For program point L441-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,735 INFO L274 CegarLoopResult]: For program point L408-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,735 INFO L274 CegarLoopResult]: For program point L210(lines 210 392) no Hoare annotation was computed. [2020-10-19 22:29:37,735 INFO L274 CegarLoopResult]: For program point L45(lines 45 392) no Hoare annotation was computed. [2020-10-19 22:29:37,735 INFO L274 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-19 22:29:37,735 INFO L274 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-19 22:29:37,736 INFO L274 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-19 22:29:37,736 INFO L274 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-19 22:29:37,736 INFO L274 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-19 22:29:37,736 INFO L274 CegarLoopResult]: For program point L409(line 409) no Hoare annotation was computed. [2020-10-19 22:29:37,736 INFO L274 CegarLoopResult]: For program point L146(lines 146 392) no Hoare annotation was computed. [2020-10-19 22:29:37,737 INFO L270 CegarLoopResult]: At program point L576(lines 32 577) the Hoare annotation is: (let ((.cse2 (<= ~a8~0 13)) (.cse0 (<= ~a16~0 4)) (.cse5 (= ~a20~0 1)) (.cse12 (= ~a17~0 1))) (let ((.cse7 (<= 15 ~a8~0)) (.cse3 (not .cse12)) (.cse6 (let ((.cse11 (= ~a7~0 0))) (or (and .cse11 .cse2) (and .cse0 .cse5 .cse11 .cse12)))) (.cse10 (not .cse5)) (.cse1 (<= ~a21~0 0)) (.cse8 (<= 14 ~a8~0)) (.cse4 (= ~a21~0 1)) (.cse9 (<= ~a16~0 5))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse2) (and .cse4 .cse5 .cse6) (and .cse4 .cse7) (and .cse8 .cse9 .cse3 .cse10) (and .cse3 .cse10 .cse7) (and .cse0 .cse5 .cse2) (and .cse9 .cse3 .cse6 .cse10) (and .cse1 .cse5 .cse2) (and .cse8 .cse4 .cse9 .cse5)))) [2020-10-19 22:29:37,737 INFO L274 CegarLoopResult]: For program point L543-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,737 INFO L274 CegarLoopResult]: For program point L510-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,737 INFO L274 CegarLoopResult]: For program point L477-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,738 INFO L274 CegarLoopResult]: For program point L444-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,738 INFO L274 CegarLoopResult]: For program point L411-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,738 INFO L274 CegarLoopResult]: For program point L180(lines 180 392) no Hoare annotation was computed. [2020-10-19 22:29:37,738 INFO L274 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-19 22:29:37,738 INFO L274 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-19 22:29:37,738 INFO L274 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-19 22:29:37,739 INFO L274 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-19 22:29:37,739 INFO L274 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-10-19 22:29:37,739 INFO L274 CegarLoopResult]: For program point L379(lines 379 392) no Hoare annotation was computed. [2020-10-19 22:29:37,739 INFO L274 CegarLoopResult]: For program point L280(lines 280 392) no Hoare annotation was computed. [2020-10-19 22:29:37,739 INFO L274 CegarLoopResult]: For program point L247(lines 247 392) no Hoare annotation was computed. [2020-10-19 22:29:37,739 INFO L274 CegarLoopResult]: For program point L82(lines 82 392) no Hoare annotation was computed. [2020-10-19 22:29:37,739 INFO L274 CegarLoopResult]: For program point L347(lines 347 392) no Hoare annotation was computed. [2020-10-19 22:29:37,740 INFO L274 CegarLoopResult]: For program point L314(lines 314 392) no Hoare annotation was computed. [2020-10-19 22:29:37,740 INFO L274 CegarLoopResult]: For program point L116(lines 116 392) no Hoare annotation was computed. [2020-10-19 22:29:37,740 INFO L277 CegarLoopResult]: At program point L579(lines 579 596) the Hoare annotation is: true [2020-10-19 22:29:37,740 INFO L274 CegarLoopResult]: For program point L546-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,740 INFO L274 CegarLoopResult]: For program point L513-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,740 INFO L274 CegarLoopResult]: For program point L480-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,741 INFO L274 CegarLoopResult]: For program point L447-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,741 INFO L274 CegarLoopResult]: For program point L414-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,741 INFO L274 CegarLoopResult]: For program point L216(lines 216 392) no Hoare annotation was computed. [2020-10-19 22:29:37,741 INFO L274 CegarLoopResult]: For program point L150(lines 150 392) no Hoare annotation was computed. [2020-10-19 22:29:37,741 INFO L274 CegarLoopResult]: For program point L51(lines 51 392) no Hoare annotation was computed. [2020-10-19 22:29:37,741 INFO L274 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-19 22:29:37,741 INFO L274 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-19 22:29:37,742 INFO L274 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-19 22:29:37,742 INFO L274 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-19 22:29:37,742 INFO L274 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-19 22:29:37,742 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-19 22:29:37,743 INFO L274 CegarLoopResult]: For program point L86(lines 86 392) no Hoare annotation was computed. [2020-10-19 22:29:37,743 INFO L274 CegarLoopResult]: For program point L549-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,743 INFO L274 CegarLoopResult]: For program point L516-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,743 INFO L274 CegarLoopResult]: For program point L483-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,744 INFO L274 CegarLoopResult]: For program point L450-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,744 INFO L274 CegarLoopResult]: For program point L384(lines 384 392) no Hoare annotation was computed. [2020-10-19 22:29:37,744 INFO L274 CegarLoopResult]: For program point L417-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,744 INFO L274 CegarLoopResult]: For program point L318(lines 318 392) no Hoare annotation was computed. [2020-10-19 22:29:37,744 INFO L274 CegarLoopResult]: For program point L252(lines 252 392) no Hoare annotation was computed. [2020-10-19 22:29:37,744 INFO L274 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-19 22:29:37,744 INFO L274 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-19 22:29:37,744 INFO L274 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-19 22:29:37,745 INFO L274 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-19 22:29:37,745 INFO L274 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-19 22:29:37,745 INFO L274 CegarLoopResult]: For program point L220(lines 220 392) no Hoare annotation was computed. [2020-10-19 22:29:37,745 INFO L274 CegarLoopResult]: For program point L154(lines 154 392) no Hoare annotation was computed. [2020-10-19 22:29:37,745 INFO L274 CegarLoopResult]: For program point L121(lines 121 392) no Hoare annotation was computed. [2020-10-19 22:29:37,745 INFO L274 CegarLoopResult]: For program point L320(lines 320 392) no Hoare annotation was computed. [2020-10-19 22:29:37,745 INFO L274 CegarLoopResult]: For program point L188(lines 188 392) no Hoare annotation was computed. [2020-10-19 22:29:37,745 INFO L274 CegarLoopResult]: For program point L56(lines 56 392) no Hoare annotation was computed. [2020-10-19 22:29:37,745 INFO L274 CegarLoopResult]: For program point L552-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,746 INFO L270 CegarLoopResult]: At program point L585-2(lines 585 595) the Hoare annotation is: (let ((.cse2 (<= ~a8~0 13)) (.cse0 (<= ~a16~0 4)) (.cse5 (= ~a20~0 1)) (.cse12 (= ~a17~0 1))) (let ((.cse7 (<= 15 ~a8~0)) (.cse3 (not .cse12)) (.cse6 (let ((.cse11 (= ~a7~0 0))) (or (and .cse11 .cse2) (and .cse0 .cse5 .cse11 .cse12)))) (.cse10 (not .cse5)) (.cse1 (<= ~a21~0 0)) (.cse8 (<= 14 ~a8~0)) (.cse4 (= ~a21~0 1)) (.cse9 (<= ~a16~0 5))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse2) (and .cse4 .cse5 .cse6) (and .cse4 .cse7) (and .cse8 .cse9 .cse3 .cse10) (and .cse3 .cse10 .cse7) (and .cse0 .cse5 .cse2) (and .cse9 .cse3 .cse6 .cse10) (and .cse1 .cse5 .cse2) (and .cse8 .cse4 .cse9 .cse5)))) [2020-10-19 22:29:37,746 INFO L274 CegarLoopResult]: For program point L519-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,746 INFO L274 CegarLoopResult]: For program point L486-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,746 INFO L274 CegarLoopResult]: For program point L453-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,747 INFO L274 CegarLoopResult]: For program point L420-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,747 INFO L274 CegarLoopResult]: For program point L288(lines 288 392) no Hoare annotation was computed. [2020-10-19 22:29:37,747 INFO L274 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-19 22:29:37,747 INFO L274 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-19 22:29:37,747 INFO L274 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-19 22:29:37,747 INFO L274 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-19 22:29:37,747 INFO L274 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-19 22:29:37,747 INFO L274 CegarLoopResult]: For program point L355(lines 355 392) no Hoare annotation was computed. [2020-10-19 22:29:37,747 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-19 22:29:37,747 INFO L274 CegarLoopResult]: For program point L191(lines 191 392) no Hoare annotation was computed. [2020-10-19 22:29:37,747 INFO L274 CegarLoopResult]: For program point L555-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,747 INFO L274 CegarLoopResult]: For program point L522-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,748 INFO L274 CegarLoopResult]: For program point L489-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,748 INFO L274 CegarLoopResult]: For program point L456-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,748 INFO L274 CegarLoopResult]: For program point L423-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,748 INFO L274 CegarLoopResult]: For program point L357(lines 357 392) no Hoare annotation was computed. [2020-10-19 22:29:37,748 INFO L274 CegarLoopResult]: For program point L258(lines 258 392) no Hoare annotation was computed. [2020-10-19 22:29:37,748 INFO L274 CegarLoopResult]: For program point L225(lines 225 392) no Hoare annotation was computed. [2020-10-19 22:29:37,748 INFO L274 CegarLoopResult]: For program point L126(lines 126 392) no Hoare annotation was computed. [2020-10-19 22:29:37,748 INFO L274 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-19 22:29:37,748 INFO L274 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-19 22:29:37,748 INFO L274 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-19 22:29:37,748 INFO L274 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-19 22:29:37,748 INFO L274 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-19 22:29:37,749 INFO L274 CegarLoopResult]: For program point L94(lines 94 392) no Hoare annotation was computed. [2020-10-19 22:29:37,749 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-19 22:29:37,749 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-10-19 22:29:37,749 INFO L274 CegarLoopResult]: For program point L326(lines 326 392) no Hoare annotation was computed. [2020-10-19 22:29:37,749 INFO L274 CegarLoopResult]: For program point L558-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,749 INFO L274 CegarLoopResult]: For program point L525-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,749 INFO L274 CegarLoopResult]: For program point L492-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,749 INFO L274 CegarLoopResult]: For program point L459-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,749 INFO L274 CegarLoopResult]: For program point L393(lines 393 395) no Hoare annotation was computed. [2020-10-19 22:29:37,749 INFO L274 CegarLoopResult]: For program point L426-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,749 INFO L274 CegarLoopResult]: For program point L393-2(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,749 INFO L274 CegarLoopResult]: For program point L294(lines 294 392) no Hoare annotation was computed. [2020-10-19 22:29:37,750 INFO L274 CegarLoopResult]: For program point L162(lines 162 392) no Hoare annotation was computed. [2020-10-19 22:29:37,750 INFO L274 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-19 22:29:37,750 INFO L274 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-19 22:29:37,750 INFO L274 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-19 22:29:37,750 INFO L274 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-19 22:29:37,750 INFO L274 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-19 22:29:37,750 INFO L274 CegarLoopResult]: For program point L394(line 394) no Hoare annotation was computed. [2020-10-19 22:29:37,750 INFO L274 CegarLoopResult]: For program point L196(lines 196 392) no Hoare annotation was computed. [2020-10-19 22:29:37,750 INFO L274 CegarLoopResult]: For program point L64(lines 64 392) no Hoare annotation was computed. [2020-10-19 22:29:37,750 INFO L274 CegarLoopResult]: For program point L263(lines 263 392) no Hoare annotation was computed. [2020-10-19 22:29:37,750 INFO L274 CegarLoopResult]: For program point L131(lines 131 392) no Hoare annotation was computed. [2020-10-19 22:29:37,750 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-19 22:29:37,751 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-19 22:29:37,751 INFO L274 CegarLoopResult]: For program point L561-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,751 INFO L274 CegarLoopResult]: For program point L528-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,751 INFO L274 CegarLoopResult]: For program point L495-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,751 INFO L274 CegarLoopResult]: For program point L462-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,751 INFO L274 CegarLoopResult]: For program point L429-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,751 INFO L274 CegarLoopResult]: For program point L363(lines 363 392) no Hoare annotation was computed. [2020-10-19 22:29:37,751 INFO L274 CegarLoopResult]: For program point L396-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:37,751 INFO L274 CegarLoopResult]: For program point L99(lines 99 392) no Hoare annotation was computed. [2020-10-19 22:29:37,751 INFO L274 CegarLoopResult]: For program point L33(lines 33 392) no Hoare annotation was computed. [2020-10-19 22:29:37,751 INFO L274 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-19 22:29:37,751 INFO L274 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-19 22:29:37,752 INFO L274 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-19 22:29:37,752 INFO L274 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-19 22:29:37,752 INFO L274 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-19 22:29:37,752 INFO L274 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-10-19 22:29:37,752 INFO L274 CegarLoopResult]: For program point L331(lines 331 392) no Hoare annotation was computed. [2020-10-19 22:29:37,752 INFO L274 CegarLoopResult]: For program point L199(lines 199 392) no Hoare annotation was computed. [2020-10-19 22:29:37,752 INFO L274 CegarLoopResult]: For program point L67(lines 67 392) no Hoare annotation was computed. [2020-10-19 22:29:37,752 INFO L274 CegarLoopResult]: For program point L365(lines 365 392) no Hoare annotation was computed. [2020-10-19 22:29:37,752 INFO L274 CegarLoopResult]: For program point L233(lines 233 392) no Hoare annotation was computed. [2020-10-19 22:29:37,752 INFO L274 CegarLoopResult]: For program point L167(lines 167 392) no Hoare annotation was computed. [2020-10-19 22:29:37,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 10:29:37 BoogieIcfgContainer [2020-10-19 22:29:37,777 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 22:29:37,778 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 22:29:37,778 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 22:29:37,780 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 22:29:37,781 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:29:23" (3/4) ... [2020-10-19 22:29:37,784 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 22:29:37,809 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-19 22:29:37,811 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-19 22:29:37,812 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 22:29:37,813 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 22:29:37,982 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 22:29:37,982 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 22:29:37,984 INFO L168 Benchmark]: Toolchain (without parser) took 16778.10 ms. Allocated memory was 41.9 MB in the beginning and 190.3 MB in the end (delta: 148.4 MB). Free memory was 20.6 MB in the beginning and 120.7 MB in the end (delta: -100.1 MB). Peak memory consumption was 48.3 MB. Max. memory is 14.3 GB. [2020-10-19 22:29:37,984 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 32.0 MB. Free memory was 11.0 MB in the beginning and 10.9 MB in the end (delta: 68.4 kB). Peak memory consumption was 68.4 kB. Max. memory is 14.3 GB. [2020-10-19 22:29:37,985 INFO L168 Benchmark]: CACSL2BoogieTranslator took 683.28 ms. Allocated memory was 41.9 MB in the beginning and 44.6 MB in the end (delta: 2.6 MB). Free memory was 19.8 MB in the beginning and 19.8 MB in the end (delta: -31.8 kB). Peak memory consumption was 10.3 MB. Max. memory is 14.3 GB. [2020-10-19 22:29:37,985 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.81 ms. Allocated memory is still 44.6 MB. Free memory was 19.8 MB in the beginning and 13.8 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 14.3 GB. [2020-10-19 22:29:37,986 INFO L168 Benchmark]: Boogie Preprocessor took 100.97 ms. Allocated memory is still 44.6 MB. Free memory was 13.8 MB in the beginning and 24.1 MB in the end (delta: -10.3 MB). Peak memory consumption was 6.6 MB. Max. memory is 14.3 GB. [2020-10-19 22:29:37,986 INFO L168 Benchmark]: RCFGBuilder took 1321.24 ms. Allocated memory was 44.6 MB in the beginning and 57.1 MB in the end (delta: 12.6 MB). Free memory was 24.1 MB in the beginning and 26.8 MB in the end (delta: -2.6 MB). Peak memory consumption was 22.9 MB. Max. memory is 14.3 GB. [2020-10-19 22:29:37,987 INFO L168 Benchmark]: TraceAbstraction took 14371.76 ms. Allocated memory was 57.1 MB in the beginning and 190.3 MB in the end (delta: 133.2 MB). Free memory was 26.3 MB in the beginning and 141.1 MB in the end (delta: -114.8 MB). Peak memory consumption was 136.2 MB. Max. memory is 14.3 GB. [2020-10-19 22:29:37,988 INFO L168 Benchmark]: Witness Printer took 204.32 ms. Allocated memory is still 190.3 MB. Free memory was 141.1 MB in the beginning and 120.7 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 14.3 GB. [2020-10-19 22:29:37,991 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 32.0 MB. Free memory was 11.0 MB in the beginning and 10.9 MB in the end (delta: 68.4 kB). Peak memory consumption was 68.4 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 683.28 ms. Allocated memory was 41.9 MB in the beginning and 44.6 MB in the end (delta: 2.6 MB). Free memory was 19.8 MB in the beginning and 19.8 MB in the end (delta: -31.8 kB). Peak memory consumption was 10.3 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 86.81 ms. Allocated memory is still 44.6 MB. Free memory was 19.8 MB in the beginning and 13.8 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 100.97 ms. Allocated memory is still 44.6 MB. Free memory was 13.8 MB in the beginning and 24.1 MB in the end (delta: -10.3 MB). Peak memory consumption was 6.6 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1321.24 ms. Allocated memory was 44.6 MB in the beginning and 57.1 MB in the end (delta: 12.6 MB). Free memory was 24.1 MB in the beginning and 26.8 MB in the end (delta: -2.6 MB). Peak memory consumption was 22.9 MB. Max. memory is 14.3 GB. * TraceAbstraction took 14371.76 ms. Allocated memory was 57.1 MB in the beginning and 190.3 MB in the end (delta: 133.2 MB). Free memory was 26.3 MB in the beginning and 141.1 MB in the end (delta: -114.8 MB). Peak memory consumption was 136.2 MB. Max. memory is 14.3 GB. * Witness Printer took 204.32 ms. Allocated memory is still 190.3 MB. Free memory was 141.1 MB in the beginning and 120.7 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 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: 579]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: ((((((((((a16 <= 4 && a21 <= 0) && a8 <= 13) || ((a16 <= 4 && !(a17 == 1)) && a8 <= 13)) || ((a21 == 1 && a20 == 1) && ((a7 == 0 && a8 <= 13) || (((a16 <= 4 && a20 == 1) && a7 == 0) && a17 == 1)))) || (a21 == 1 && 15 <= a8)) || (((14 <= a8 && a16 <= 5) && !(a17 == 1)) && !(a20 == 1))) || ((!(a17 == 1) && !(a20 == 1)) && 15 <= a8)) || ((a16 <= 4 && a20 == 1) && a8 <= 13)) || (((a16 <= 5 && !(a17 == 1)) && ((a7 == 0 && a8 <= 13) || (((a16 <= 4 && a20 == 1) && a7 == 0) && a17 == 1))) && !(a20 == 1))) || ((a21 <= 0 && a20 == 1) && a8 <= 13)) || (((14 <= a8 && a21 == 1) && a16 <= 5) && a20 == 1) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((((a16 <= 4 && a21 <= 0) && a8 <= 13) || ((a16 <= 4 && !(a17 == 1)) && a8 <= 13)) || ((a21 == 1 && a20 == 1) && ((a7 == 0 && a8 <= 13) || (((a16 <= 4 && a20 == 1) && a7 == 0) && a17 == 1)))) || (a21 == 1 && 15 <= a8)) || (((14 <= a8 && a16 <= 5) && !(a17 == 1)) && !(a20 == 1))) || ((!(a17 == 1) && !(a20 == 1)) && 15 <= a8)) || ((a16 <= 4 && a20 == 1) && a8 <= 13)) || (((a16 <= 5 && !(a17 == 1)) && ((a7 == 0 && a8 <= 13) || (((a16 <= 4 && a20 == 1) && a7 == 0) && a17 == 1))) && !(a20 == 1))) || ((a21 <= 0 && a20 == 1) && a8 <= 13)) || (((14 <= a8 && a21 == 1) && a16 <= 5) && a20 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 199 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.7s, OverallIterations: 15, TraceHistogramMax: 7, AutomataDifference: 8.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1110 SDtfs, 1883 SDslu, 92 SDs, 0 SdLazy, 5397 SolverSat, 744 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 929 GetRequests, 899 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3410occurred 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: 0.7s AutomataMinimizationTime, 15 MinimizatonAttempts, 2882 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 55 NumberOfFragments, 301 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2804 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 190 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 3148 NumberOfCodeBlocks, 3148 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 3129 ConstructedInterpolants, 0 QuantifiedInterpolants, 1276198 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1811 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 19 InterpolantComputations, 15 PerfectInterpolantSequences, 2465/2532 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...