./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label32.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2c16ea29-c8bd-465c-bcf1-2e2401b2126b/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2c16ea29-c8bd-465c-bcf1-2e2401b2126b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2c16ea29-c8bd-465c-bcf1-2e2401b2126b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2c16ea29-c8bd-465c-bcf1-2e2401b2126b/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label32.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2c16ea29-c8bd-465c-bcf1-2e2401b2126b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2c16ea29-c8bd-465c-bcf1-2e2401b2126b/bin/uautomizer --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 24ff2efa079f17410ff89c45420f9fa69626e043 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 23:33:07,586 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:33:07,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:33:07,669 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:33:07,670 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:33:07,671 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:33:07,673 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:33:07,675 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:33:07,677 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:33:07,680 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:33:07,686 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:33:07,689 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:33:07,690 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:33:07,699 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:33:07,700 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:33:07,704 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:33:07,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:33:07,709 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:33:07,717 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:33:07,719 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:33:07,726 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:33:07,727 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:33:07,729 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:33:07,730 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:33:07,733 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:33:07,734 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:33:07,734 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:33:07,735 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:33:07,736 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:33:07,737 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:33:07,737 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:33:07,738 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:33:07,739 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:33:07,740 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:33:07,741 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:33:07,742 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:33:07,743 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:33:07,743 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:33:07,743 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:33:07,745 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:33:07,745 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:33:07,746 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2c16ea29-c8bd-465c-bcf1-2e2401b2126b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 23:33:07,770 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:33:07,771 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:33:07,772 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:33:07,772 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:33:07,773 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 23:33:07,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:33:07,774 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:33:07,774 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:33:07,774 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:33:07,775 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:33:07,775 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 23:33:07,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:33:07,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 23:33:07,776 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:33:07,777 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:33:07,777 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:33:07,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 23:33:07,778 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:33:07,778 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 23:33:07,779 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:33:07,779 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 23:33:07,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 23:33:07,780 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:33:07,780 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:33:07,781 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 23:33:07,781 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 23:33:07,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 23:33:07,782 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 23:33:07,782 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 23:33:07,782 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_2c16ea29-c8bd-465c-bcf1-2e2401b2126b/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2c16ea29-c8bd-465c-bcf1-2e2401b2126b/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24ff2efa079f17410ff89c45420f9fa69626e043 [2020-11-29 23:33:08,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:33:08,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:33:08,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:33:08,047 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:33:08,050 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:33:08,051 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2c16ea29-c8bd-465c-bcf1-2e2401b2126b/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem11_label32.c [2020-11-29 23:33:08,141 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2c16ea29-c8bd-465c-bcf1-2e2401b2126b/bin/uautomizer/data/e6c170ff0/6986df85eb714b59bc14cf5adc41fc79/FLAG8f505f6db [2020-11-29 23:33:08,813 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:33:08,814 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2c16ea29-c8bd-465c-bcf1-2e2401b2126b/sv-benchmarks/c/eca-rers2012/Problem11_label32.c [2020-11-29 23:33:08,836 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2c16ea29-c8bd-465c-bcf1-2e2401b2126b/bin/uautomizer/data/e6c170ff0/6986df85eb714b59bc14cf5adc41fc79/FLAG8f505f6db [2020-11-29 23:33:09,020 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2c16ea29-c8bd-465c-bcf1-2e2401b2126b/bin/uautomizer/data/e6c170ff0/6986df85eb714b59bc14cf5adc41fc79 [2020-11-29 23:33:09,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:33:09,024 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:33:09,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:33:09,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:33:09,029 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:33:09,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:33:09" (1/1) ... [2020-11-29 23:33:09,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9099170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:33:09, skipping insertion in model container [2020-11-29 23:33:09,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:33:09" (1/1) ... [2020-11-29 23:33:09,039 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:33:09,094 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:33:09,644 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:33:09,652 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:33:09,873 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:33:09,890 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:33:09,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:33:09 WrapperNode [2020-11-29 23:33:09,891 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:33:09,892 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:33:09,893 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:33:09,893 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:33:09,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:33:09" (1/1) ... [2020-11-29 23:33:09,932 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:33:09" (1/1) ... [2020-11-29 23:33:10,033 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:33:10,034 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:33:10,034 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:33:10,034 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:33:10,042 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:33:09" (1/1) ... [2020-11-29 23:33:10,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:33:09" (1/1) ... [2020-11-29 23:33:10,052 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:33:09" (1/1) ... [2020-11-29 23:33:10,052 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:33:09" (1/1) ... [2020-11-29 23:33:10,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:33:09" (1/1) ... [2020-11-29 23:33:10,101 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:33:09" (1/1) ... [2020-11-29 23:33:10,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:33:09" (1/1) ... [2020-11-29 23:33:10,144 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:33:10,145 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:33:10,145 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:33:10,145 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:33:10,146 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:33:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2c16ea29-c8bd-465c-bcf1-2e2401b2126b/bin/uautomizer/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 [2020-11-29 23:33:10,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 23:33:10,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 23:33:10,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:33:10,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:33:12,548 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:33:12,548 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 23:33:12,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:33:12 BoogieIcfgContainer [2020-11-29 23:33:12,551 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:33:12,552 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 23:33:12,552 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 23:33:12,557 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 23:33:12,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 11:33:09" (1/3) ... [2020-11-29 23:33:12,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69933eb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 11:33:12, skipping insertion in model container [2020-11-29 23:33:12,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:33:09" (2/3) ... [2020-11-29 23:33:12,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69933eb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 11:33:12, skipping insertion in model container [2020-11-29 23:33:12,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:33:12" (3/3) ... [2020-11-29 23:33:12,562 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label32.c [2020-11-29 23:33:12,575 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 23:33:12,580 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 23:33:12,591 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 23:33:12,631 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 23:33:12,631 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 23:33:12,632 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 23:33:12,642 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 23:33:12,642 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 23:33:12,642 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 23:33:12,642 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 23:33:12,643 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 23:33:12,670 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states. [2020-11-29 23:33:12,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-29 23:33:12,677 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:33:12,677 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] [2020-11-29 23:33:12,678 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:33:12,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:33:12,686 INFO L82 PathProgramCache]: Analyzing trace with hash 2102454322, now seen corresponding path program 1 times [2020-11-29 23:33:12,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:33:12,695 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916604930] [2020-11-29 23:33:12,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:33:12,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:33:13,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:33:13,043 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916604930] [2020-11-29 23:33:13,044 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:33:13,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 23:33:13,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796517833] [2020-11-29 23:33:13,049 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:33:13,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:33:13,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:33:13,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:33:13,067 INFO L87 Difference]: Start difference. First operand 284 states. Second operand 3 states. [2020-11-29 23:33:14,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:33:14,820 INFO L93 Difference]: Finished difference Result 762 states and 1346 transitions. [2020-11-29 23:33:14,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:33:14,822 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2020-11-29 23:33:14,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:33:14,837 INFO L225 Difference]: With dead ends: 762 [2020-11-29 23:33:14,838 INFO L226 Difference]: Without dead ends: 413 [2020-11-29 23:33:14,842 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 [2020-11-29 23:33:14,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2020-11-29 23:33:14,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2020-11-29 23:33:14,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2020-11-29 23:33:14,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 599 transitions. [2020-11-29 23:33:14,909 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 599 transitions. Word has length 40 [2020-11-29 23:33:14,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:33:14,910 INFO L481 AbstractCegarLoop]: Abstraction has 413 states and 599 transitions. [2020-11-29 23:33:14,910 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:33:14,910 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 599 transitions. [2020-11-29 23:33:14,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-11-29 23:33:14,914 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:33:14,915 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:33:14,915 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 23:33:14,915 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:33:14,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:33:14,916 INFO L82 PathProgramCache]: Analyzing trace with hash 333681898, now seen corresponding path program 1 times [2020-11-29 23:33:14,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:33:14,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811608030] [2020-11-29 23:33:14,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:33:14,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:33:15,143 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:33:15,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811608030] [2020-11-29 23:33:15,143 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:33:15,144 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 23:33:15,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421981976] [2020-11-29 23:33:15,146 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:33:15,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:33:15,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:33:15,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:33:15,149 INFO L87 Difference]: Start difference. First operand 413 states and 599 transitions. Second operand 3 states. [2020-11-29 23:33:16,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:33:16,412 INFO L93 Difference]: Finished difference Result 1211 states and 1763 transitions. [2020-11-29 23:33:16,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:33:16,413 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2020-11-29 23:33:16,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:33:16,419 INFO L225 Difference]: With dead ends: 1211 [2020-11-29 23:33:16,419 INFO L226 Difference]: Without dead ends: 800 [2020-11-29 23:33:16,439 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 [2020-11-29 23:33:16,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2020-11-29 23:33:16,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 789. [2020-11-29 23:33:16,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2020-11-29 23:33:16,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1083 transitions. [2020-11-29 23:33:16,515 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1083 transitions. Word has length 108 [2020-11-29 23:33:16,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:33:16,517 INFO L481 AbstractCegarLoop]: Abstraction has 789 states and 1083 transitions. [2020-11-29 23:33:16,517 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:33:16,517 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1083 transitions. [2020-11-29 23:33:16,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-11-29 23:33:16,526 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:33:16,527 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:33:16,528 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 23:33:16,528 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:33:16,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:33:16,529 INFO L82 PathProgramCache]: Analyzing trace with hash -290502203, now seen corresponding path program 1 times [2020-11-29 23:33:16,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:33:16,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176366635] [2020-11-29 23:33:16,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:33:16,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:33:16,753 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:33:16,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176366635] [2020-11-29 23:33:16,754 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:33:16,754 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 23:33:16,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130470283] [2020-11-29 23:33:16,756 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:33:16,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:33:16,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:33:16,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:33:16,764 INFO L87 Difference]: Start difference. First operand 789 states and 1083 transitions. Second operand 3 states. [2020-11-29 23:33:17,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:33:17,974 INFO L93 Difference]: Finished difference Result 2314 states and 3181 transitions. [2020-11-29 23:33:17,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:33:17,975 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 110 [2020-11-29 23:33:17,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:33:17,984 INFO L225 Difference]: With dead ends: 2314 [2020-11-29 23:33:17,985 INFO L226 Difference]: Without dead ends: 1527 [2020-11-29 23:33:17,987 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 [2020-11-29 23:33:17,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1527 states. [2020-11-29 23:33:18,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1527 to 1526. [2020-11-29 23:33:18,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1526 states. [2020-11-29 23:33:18,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 1856 transitions. [2020-11-29 23:33:18,055 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 1856 transitions. Word has length 110 [2020-11-29 23:33:18,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:33:18,056 INFO L481 AbstractCegarLoop]: Abstraction has 1526 states and 1856 transitions. [2020-11-29 23:33:18,056 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:33:18,056 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1856 transitions. [2020-11-29 23:33:18,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-11-29 23:33:18,058 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:33:18,058 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:33:18,059 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 23:33:18,059 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:33:18,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:33:18,059 INFO L82 PathProgramCache]: Analyzing trace with hash -1207608631, now seen corresponding path program 1 times [2020-11-29 23:33:18,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:33:18,060 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823709802] [2020-11-29 23:33:18,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:33:18,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:33:18,268 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:33:18,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823709802] [2020-11-29 23:33:18,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:33:18,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:33:18,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084933490] [2020-11-29 23:33:18,270 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 23:33:18,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:33:18,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 23:33:18,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 23:33:18,275 INFO L87 Difference]: Start difference. First operand 1526 states and 1856 transitions. Second operand 4 states. [2020-11-29 23:33:20,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:33:20,342 INFO L93 Difference]: Finished difference Result 4184 states and 5339 transitions. [2020-11-29 23:33:20,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 23:33:20,342 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 167 [2020-11-29 23:33:20,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:33:20,359 INFO L225 Difference]: With dead ends: 4184 [2020-11-29 23:33:20,359 INFO L226 Difference]: Without dead ends: 2844 [2020-11-29 23:33:20,362 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 [2020-11-29 23:33:20,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2844 states. [2020-11-29 23:33:20,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2844 to 2843. [2020-11-29 23:33:20,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2843 states. [2020-11-29 23:33:20,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2843 states to 2843 states and 3569 transitions. [2020-11-29 23:33:20,430 INFO L78 Accepts]: Start accepts. Automaton has 2843 states and 3569 transitions. Word has length 167 [2020-11-29 23:33:20,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:33:20,432 INFO L481 AbstractCegarLoop]: Abstraction has 2843 states and 3569 transitions. [2020-11-29 23:33:20,432 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 23:33:20,432 INFO L276 IsEmpty]: Start isEmpty. Operand 2843 states and 3569 transitions. [2020-11-29 23:33:20,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-11-29 23:33:20,437 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:33:20,437 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:33:20,438 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 23:33:20,438 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:33:20,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:33:20,438 INFO L82 PathProgramCache]: Analyzing trace with hash 888363457, now seen corresponding path program 1 times [2020-11-29 23:33:20,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:33:20,439 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511701022] [2020-11-29 23:33:20,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:33:20,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:33:20,669 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-11-29 23:33:20,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511701022] [2020-11-29 23:33:20,670 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:33:20,670 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:33:20,670 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125889612] [2020-11-29 23:33:20,671 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:33:20,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:33:20,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:33:20,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:33:20,672 INFO L87 Difference]: Start difference. First operand 2843 states and 3569 transitions. Second operand 3 states. [2020-11-29 23:33:22,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:33:22,074 INFO L93 Difference]: Finished difference Result 6431 states and 8283 transitions. [2020-11-29 23:33:22,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:33:22,074 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 222 [2020-11-29 23:33:22,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:33:22,096 INFO L225 Difference]: With dead ends: 6431 [2020-11-29 23:33:22,097 INFO L226 Difference]: Without dead ends: 3958 [2020-11-29 23:33:22,100 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 [2020-11-29 23:33:22,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3958 states. [2020-11-29 23:33:22,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3958 to 3948. [2020-11-29 23:33:22,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3948 states. [2020-11-29 23:33:22,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3948 states to 3948 states and 4860 transitions. [2020-11-29 23:33:22,191 INFO L78 Accepts]: Start accepts. Automaton has 3948 states and 4860 transitions. Word has length 222 [2020-11-29 23:33:22,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:33:22,192 INFO L481 AbstractCegarLoop]: Abstraction has 3948 states and 4860 transitions. [2020-11-29 23:33:22,192 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:33:22,192 INFO L276 IsEmpty]: Start isEmpty. Operand 3948 states and 4860 transitions. [2020-11-29 23:33:22,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-11-29 23:33:22,196 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:33:22,196 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:33:22,197 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 23:33:22,197 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:33:22,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:33:22,197 INFO L82 PathProgramCache]: Analyzing trace with hash 412701522, now seen corresponding path program 1 times [2020-11-29 23:33:22,198 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:33:22,198 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070499221] [2020-11-29 23:33:22,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:33:22,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:33:22,437 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-11-29 23:33:22,437 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070499221] [2020-11-29 23:33:22,438 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:33:22,439 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:33:22,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916450521] [2020-11-29 23:33:22,439 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:33:22,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:33:22,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:33:22,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:33:22,441 INFO L87 Difference]: Start difference. First operand 3948 states and 4860 transitions. Second operand 3 states. [2020-11-29 23:33:23,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:33:23,602 INFO L93 Difference]: Finished difference Result 10103 states and 12715 transitions. [2020-11-29 23:33:23,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:33:23,602 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 228 [2020-11-29 23:33:23,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:33:23,636 INFO L225 Difference]: With dead ends: 10103 [2020-11-29 23:33:23,636 INFO L226 Difference]: Without dead ends: 6525 [2020-11-29 23:33:23,641 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 [2020-11-29 23:33:23,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6525 states. [2020-11-29 23:33:23,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6525 to 6525. [2020-11-29 23:33:23,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6525 states. [2020-11-29 23:33:23,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6525 states to 6525 states and 7989 transitions. [2020-11-29 23:33:23,778 INFO L78 Accepts]: Start accepts. Automaton has 6525 states and 7989 transitions. Word has length 228 [2020-11-29 23:33:23,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:33:23,782 INFO L481 AbstractCegarLoop]: Abstraction has 6525 states and 7989 transitions. [2020-11-29 23:33:23,782 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:33:23,782 INFO L276 IsEmpty]: Start isEmpty. Operand 6525 states and 7989 transitions. [2020-11-29 23:33:23,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2020-11-29 23:33:23,789 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:33:23,789 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:33:23,789 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 23:33:23,790 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:33:23,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:33:23,790 INFO L82 PathProgramCache]: Analyzing trace with hash 1524582501, now seen corresponding path program 1 times [2020-11-29 23:33:23,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:33:23,791 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058204274] [2020-11-29 23:33:23,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:33:23,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:33:24,025 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2020-11-29 23:33:24,028 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058204274] [2020-11-29 23:33:24,029 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:33:24,029 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:33:24,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411227109] [2020-11-29 23:33:24,030 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:33:24,030 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:33:24,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:33:24,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:33:24,032 INFO L87 Difference]: Start difference. First operand 6525 states and 7989 transitions. Second operand 3 states. [2020-11-29 23:33:25,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:33:25,136 INFO L93 Difference]: Finished difference Result 15080 states and 18708 transitions. [2020-11-29 23:33:25,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:33:25,137 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 259 [2020-11-29 23:33:25,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:33:25,177 INFO L225 Difference]: With dead ends: 15080 [2020-11-29 23:33:25,177 INFO L226 Difference]: Without dead ends: 8741 [2020-11-29 23:33:25,185 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 [2020-11-29 23:33:25,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8741 states. [2020-11-29 23:33:25,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8741 to 8733. [2020-11-29 23:33:25,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8733 states. [2020-11-29 23:33:25,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8733 states to 8733 states and 10513 transitions. [2020-11-29 23:33:25,347 INFO L78 Accepts]: Start accepts. Automaton has 8733 states and 10513 transitions. Word has length 259 [2020-11-29 23:33:25,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:33:25,348 INFO L481 AbstractCegarLoop]: Abstraction has 8733 states and 10513 transitions. [2020-11-29 23:33:25,348 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:33:25,348 INFO L276 IsEmpty]: Start isEmpty. Operand 8733 states and 10513 transitions. [2020-11-29 23:33:25,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2020-11-29 23:33:25,356 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:33:25,357 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-29 23:33:25,357 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 23:33:25,357 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:33:25,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:33:25,358 INFO L82 PathProgramCache]: Analyzing trace with hash 11538976, now seen corresponding path program 1 times [2020-11-29 23:33:25,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:33:25,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469096341] [2020-11-29 23:33:25,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:33:25,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:33:26,081 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:33:26,081 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469096341] [2020-11-29 23:33:26,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:33:26,082 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 23:33:26,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643978445] [2020-11-29 23:33:26,083 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-29 23:33:26,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:33:26,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 23:33:26,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-29 23:33:26,084 INFO L87 Difference]: Start difference. First operand 8733 states and 10513 transitions. Second operand 6 states. [2020-11-29 23:33:28,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:33:28,793 INFO L93 Difference]: Finished difference Result 18704 states and 22468 transitions. [2020-11-29 23:33:28,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-29 23:33:28,793 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 281 [2020-11-29 23:33:28,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:33:28,827 INFO L225 Difference]: With dead ends: 18704 [2020-11-29 23:33:28,827 INFO L226 Difference]: Without dead ends: 10341 [2020-11-29 23:33:28,836 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-11-29 23:33:28,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10341 states. [2020-11-29 23:33:28,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10341 to 10204. [2020-11-29 23:33:28,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10204 states. [2020-11-29 23:33:29,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10204 states to 10204 states and 12102 transitions. [2020-11-29 23:33:29,001 INFO L78 Accepts]: Start accepts. Automaton has 10204 states and 12102 transitions. Word has length 281 [2020-11-29 23:33:29,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:33:29,002 INFO L481 AbstractCegarLoop]: Abstraction has 10204 states and 12102 transitions. [2020-11-29 23:33:29,002 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-29 23:33:29,002 INFO L276 IsEmpty]: Start isEmpty. Operand 10204 states and 12102 transitions. [2020-11-29 23:33:29,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-11-29 23:33:29,010 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:33:29,010 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-29 23:33:29,011 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 23:33:29,011 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:33:29,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:33:29,012 INFO L82 PathProgramCache]: Analyzing trace with hash -1495226772, now seen corresponding path program 1 times [2020-11-29 23:33:29,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:33:29,012 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204747722] [2020-11-29 23:33:29,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:33:29,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:33:29,220 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2020-11-29 23:33:29,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204747722] [2020-11-29 23:33:29,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:33:29,220 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:33:29,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471295327] [2020-11-29 23:33:29,221 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:33:29,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:33:29,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:33:29,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:33:29,224 INFO L87 Difference]: Start difference. First operand 10204 states and 12102 transitions. Second operand 3 states. [2020-11-29 23:33:30,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:33:30,480 INFO L93 Difference]: Finished difference Result 20954 states and 25382 transitions. [2020-11-29 23:33:30,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:33:30,480 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 286 [2020-11-29 23:33:30,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:33:30,506 INFO L225 Difference]: With dead ends: 20954 [2020-11-29 23:33:30,506 INFO L226 Difference]: Without dead ends: 12410 [2020-11-29 23:33:30,517 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 [2020-11-29 23:33:30,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12410 states. [2020-11-29 23:33:30,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12410 to 12225. [2020-11-29 23:33:30,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12225 states. [2020-11-29 23:33:30,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12225 states to 12225 states and 14612 transitions. [2020-11-29 23:33:30,746 INFO L78 Accepts]: Start accepts. Automaton has 12225 states and 14612 transitions. Word has length 286 [2020-11-29 23:33:30,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:33:30,747 INFO L481 AbstractCegarLoop]: Abstraction has 12225 states and 14612 transitions. [2020-11-29 23:33:30,747 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:33:30,747 INFO L276 IsEmpty]: Start isEmpty. Operand 12225 states and 14612 transitions. [2020-11-29 23:33:30,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2020-11-29 23:33:30,759 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:33:30,759 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:33:30,760 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 23:33:30,760 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:33:30,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:33:30,761 INFO L82 PathProgramCache]: Analyzing trace with hash -98543204, now seen corresponding path program 1 times [2020-11-29 23:33:30,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:33:30,761 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346811131] [2020-11-29 23:33:30,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:33:30,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:33:30,998 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2020-11-29 23:33:30,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346811131] [2020-11-29 23:33:30,998 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:33:30,998 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:33:30,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612019067] [2020-11-29 23:33:30,999 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:33:30,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:33:31,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:33:31,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:33:31,000 INFO L87 Difference]: Start difference. First operand 12225 states and 14612 transitions. Second operand 3 states. [2020-11-29 23:33:32,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:33:32,059 INFO L93 Difference]: Finished difference Result 25181 states and 30502 transitions. [2020-11-29 23:33:32,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:33:32,061 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 305 [2020-11-29 23:33:32,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:33:32,089 INFO L225 Difference]: With dead ends: 25181 [2020-11-29 23:33:32,089 INFO L226 Difference]: Without dead ends: 14616 [2020-11-29 23:33:32,099 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 [2020-11-29 23:33:32,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14616 states. [2020-11-29 23:33:32,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14616 to 12954. [2020-11-29 23:33:32,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12954 states. [2020-11-29 23:33:32,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12954 states to 12954 states and 15204 transitions. [2020-11-29 23:33:32,300 INFO L78 Accepts]: Start accepts. Automaton has 12954 states and 15204 transitions. Word has length 305 [2020-11-29 23:33:32,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:33:32,301 INFO L481 AbstractCegarLoop]: Abstraction has 12954 states and 15204 transitions. [2020-11-29 23:33:32,301 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:33:32,301 INFO L276 IsEmpty]: Start isEmpty. Operand 12954 states and 15204 transitions. [2020-11-29 23:33:32,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2020-11-29 23:33:32,320 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:33:32,321 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:33:32,321 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-29 23:33:32,321 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:33:32,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:33:32,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1133285852, now seen corresponding path program 1 times [2020-11-29 23:33:32,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:33:32,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275276879] [2020-11-29 23:33:32,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:33:32,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:33:32,678 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:33:32,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275276879] [2020-11-29 23:33:32,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:33:32,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 23:33:32,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026703995] [2020-11-29 23:33:32,679 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 23:33:32,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:33:32,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 23:33:32,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 23:33:32,681 INFO L87 Difference]: Start difference. First operand 12954 states and 15204 transitions. Second operand 4 states. [2020-11-29 23:33:34,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:33:34,734 INFO L93 Difference]: Finished difference Result 30528 states and 36404 transitions. [2020-11-29 23:33:34,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 23:33:34,735 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 345 [2020-11-29 23:33:34,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:33:34,778 INFO L225 Difference]: With dead ends: 30528 [2020-11-29 23:33:34,778 INFO L226 Difference]: Without dead ends: 19234 [2020-11-29 23:33:34,790 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 23:33:34,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19234 states. [2020-11-29 23:33:35,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19234 to 18301. [2020-11-29 23:33:35,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18301 states. [2020-11-29 23:33:35,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18301 states to 18301 states and 21509 transitions. [2020-11-29 23:33:35,109 INFO L78 Accepts]: Start accepts. Automaton has 18301 states and 21509 transitions. Word has length 345 [2020-11-29 23:33:35,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:33:35,110 INFO L481 AbstractCegarLoop]: Abstraction has 18301 states and 21509 transitions. [2020-11-29 23:33:35,111 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 23:33:35,111 INFO L276 IsEmpty]: Start isEmpty. Operand 18301 states and 21509 transitions. [2020-11-29 23:33:35,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2020-11-29 23:33:35,148 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:33:35,148 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:33:35,148 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-29 23:33:35,149 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:33:35,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:33:35,149 INFO L82 PathProgramCache]: Analyzing trace with hash 893315497, now seen corresponding path program 1 times [2020-11-29 23:33:35,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:33:35,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067770673] [2020-11-29 23:33:35,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:33:35,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:33:35,705 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 329 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-11-29 23:33:35,706 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067770673] [2020-11-29 23:33:35,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:33:35,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 23:33:35,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554705407] [2020-11-29 23:33:35,707 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 23:33:35,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:33:35,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 23:33:35,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 23:33:35,708 INFO L87 Difference]: Start difference. First operand 18301 states and 21509 transitions. Second operand 4 states. [2020-11-29 23:33:37,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:33:37,628 INFO L93 Difference]: Finished difference Result 38642 states and 45868 transitions. [2020-11-29 23:33:37,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 23:33:37,628 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 419 [2020-11-29 23:33:37,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:33:37,650 INFO L225 Difference]: With dead ends: 38642 [2020-11-29 23:33:37,650 INFO L226 Difference]: Without dead ends: 22001 [2020-11-29 23:33:37,663 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 23:33:37,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22001 states. [2020-11-29 23:33:37,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22001 to 17933. [2020-11-29 23:33:37,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17933 states. [2020-11-29 23:33:37,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17933 states to 17933 states and 21087 transitions. [2020-11-29 23:33:37,932 INFO L78 Accepts]: Start accepts. Automaton has 17933 states and 21087 transitions. Word has length 419 [2020-11-29 23:33:37,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:33:37,932 INFO L481 AbstractCegarLoop]: Abstraction has 17933 states and 21087 transitions. [2020-11-29 23:33:37,933 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 23:33:37,933 INFO L276 IsEmpty]: Start isEmpty. Operand 17933 states and 21087 transitions. [2020-11-29 23:33:37,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 593 [2020-11-29 23:33:37,998 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:33:37,999 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:33:37,999 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-29 23:33:37,999 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:33:38,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:33:38,000 INFO L82 PathProgramCache]: Analyzing trace with hash -475209306, now seen corresponding path program 1 times [2020-11-29 23:33:38,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:33:38,001 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686325559] [2020-11-29 23:33:38,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:33:38,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:33:38,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1030 backedges. 817 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2020-11-29 23:33:38,538 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686325559] [2020-11-29 23:33:38,538 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:33:38,538 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:33:38,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363275291] [2020-11-29 23:33:38,539 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:33:38,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:33:38,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:33:38,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:33:38,540 INFO L87 Difference]: Start difference. First operand 17933 states and 21087 transitions. Second operand 3 states. [2020-11-29 23:33:39,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:33:39,397 INFO L93 Difference]: Finished difference Result 32728 states and 38572 transitions. [2020-11-29 23:33:39,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:33:39,397 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 592 [2020-11-29 23:33:39,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:33:39,410 INFO L225 Difference]: With dead ends: 32728 [2020-11-29 23:33:39,410 INFO L226 Difference]: Without dead ends: 16455 [2020-11-29 23:33:39,419 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 [2020-11-29 23:33:39,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16455 states. [2020-11-29 23:33:39,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16455 to 14245. [2020-11-29 23:33:39,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14245 states. [2020-11-29 23:33:39,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14245 states to 14245 states and 16177 transitions. [2020-11-29 23:33:39,609 INFO L78 Accepts]: Start accepts. Automaton has 14245 states and 16177 transitions. Word has length 592 [2020-11-29 23:33:39,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:33:39,609 INFO L481 AbstractCegarLoop]: Abstraction has 14245 states and 16177 transitions. [2020-11-29 23:33:39,610 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:33:39,610 INFO L276 IsEmpty]: Start isEmpty. Operand 14245 states and 16177 transitions. [2020-11-29 23:33:39,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 684 [2020-11-29 23:33:39,637 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:33:39,637 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2020-11-29 23:33:39,638 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-29 23:33:39,638 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:33:39,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:33:39,639 INFO L82 PathProgramCache]: Analyzing trace with hash -650015051, now seen corresponding path program 1 times [2020-11-29 23:33:39,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:33:39,639 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238378915] [2020-11-29 23:33:39,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:33:39,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:33:40,284 INFO L134 CoverageAnalysis]: Checked inductivity of 1267 backedges. 728 proven. 0 refuted. 0 times theorem prover too weak. 539 trivial. 0 not checked. [2020-11-29 23:33:40,285 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238378915] [2020-11-29 23:33:40,286 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:33:40,287 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:33:40,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115246007] [2020-11-29 23:33:40,288 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:33:40,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:33:40,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:33:40,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:33:40,290 INFO L87 Difference]: Start difference. First operand 14245 states and 16177 transitions. Second operand 3 states. [2020-11-29 23:33:41,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:33:41,348 INFO L93 Difference]: Finished difference Result 28483 states and 32443 transitions. [2020-11-29 23:33:41,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:33:41,349 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 683 [2020-11-29 23:33:41,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:33:41,350 INFO L225 Difference]: With dead ends: 28483 [2020-11-29 23:33:41,350 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 23:33:41,358 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 [2020-11-29 23:33:41,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 23:33:41,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 23:33:41,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 23:33:41,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 23:33:41,359 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 683 [2020-11-29 23:33:41,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:33:41,359 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 23:33:41,360 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:33:41,360 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 23:33:41,360 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 23:33:41,360 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-29 23:33:41,362 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 23:33:41,606 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 104 [2020-11-29 23:33:41,833 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 104 [2020-11-29 23:33:42,056 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 34 [2020-11-29 23:33:42,284 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 34 [2020-11-29 23:33:42,287 INFO L274 CegarLoopResult]: For program point L498(lines 498 509) no Hoare annotation was computed. [2020-11-29 23:33:42,287 INFO L274 CegarLoopResult]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,288 INFO L274 CegarLoopResult]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2020-11-29 23:33:42,288 INFO L274 CegarLoopResult]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,288 INFO L274 CegarLoopResult]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,288 INFO L274 CegarLoopResult]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,288 INFO L274 CegarLoopResult]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,288 INFO L274 CegarLoopResult]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,288 INFO L274 CegarLoopResult]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,288 INFO L274 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-11-29 23:33:42,288 INFO L274 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-11-29 23:33:42,288 INFO L274 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-11-29 23:33:42,288 INFO L274 CegarLoopResult]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,288 INFO L274 CegarLoopResult]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,288 INFO L274 CegarLoopResult]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,288 INFO L274 CegarLoopResult]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,289 INFO L274 CegarLoopResult]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,289 INFO L274 CegarLoopResult]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,289 INFO L274 CegarLoopResult]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,289 INFO L274 CegarLoopResult]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,289 INFO L274 CegarLoopResult]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,289 INFO L274 CegarLoopResult]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,289 INFO L274 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-11-29 23:33:42,289 INFO L274 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-11-29 23:33:42,289 INFO L274 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-11-29 23:33:42,289 INFO L274 CegarLoopResult]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,289 INFO L274 CegarLoopResult]: For program point L768(lines 768 778) no Hoare annotation was computed. [2020-11-29 23:33:42,289 INFO L274 CegarLoopResult]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2020-11-29 23:33:42,289 INFO L274 CegarLoopResult]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,289 INFO L274 CegarLoopResult]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,289 INFO L274 CegarLoopResult]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,289 INFO L274 CegarLoopResult]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,290 INFO L274 CegarLoopResult]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,290 INFO L274 CegarLoopResult]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,290 INFO L274 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-11-29 23:33:42,290 INFO L274 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-11-29 23:33:42,290 INFO L274 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-11-29 23:33:42,290 INFO L274 CegarLoopResult]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,290 INFO L274 CegarLoopResult]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,290 INFO L274 CegarLoopResult]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,290 INFO L270 CegarLoopResult]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse5 (= ~a25~0 11)) (.cse4 (<= 307 ~a23~0)) (.cse0 (<= ~a29~0 599999)) (.cse1 (<= ~a25~0 10)) (.cse2 (= ~a4~0 1)) (.cse3 (<= ~a29~0 599998))) (or (<= (+ ~a29~0 21) 0) (and .cse0 .cse1 (<= (+ ~a23~0 599772) 0)) (and (not .cse2) .cse3) (and .cse4 .cse3) (and .cse5 .cse3) (and .cse0 .cse5 .cse4 .cse2) (and .cse0 .cse1 .cse2) (and (= ~a25~0 13) .cse3))) [2020-11-29 23:33:42,290 INFO L274 CegarLoopResult]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,291 INFO L274 CegarLoopResult]: For program point L705(lines 705 715) no Hoare annotation was computed. [2020-11-29 23:33:42,291 INFO L274 CegarLoopResult]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2020-11-29 23:33:42,291 INFO L274 CegarLoopResult]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,291 INFO L274 CegarLoopResult]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,291 INFO L274 CegarLoopResult]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,291 INFO L274 CegarLoopResult]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,291 INFO L274 CegarLoopResult]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,291 INFO L274 CegarLoopResult]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,291 INFO L274 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-11-29 23:33:42,291 INFO L274 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-11-29 23:33:42,291 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-11-29 23:33:42,291 INFO L277 CegarLoopResult]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2020-11-29 23:33:42,291 INFO L274 CegarLoopResult]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,291 INFO L274 CegarLoopResult]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,291 INFO L274 CegarLoopResult]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,292 INFO L274 CegarLoopResult]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,292 INFO L274 CegarLoopResult]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,292 INFO L274 CegarLoopResult]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,292 INFO L274 CegarLoopResult]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,292 INFO L274 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-11-29 23:33:42,292 INFO L274 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-11-29 23:33:42,292 INFO L274 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-11-29 23:33:42,292 INFO L274 CegarLoopResult]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,292 INFO L274 CegarLoopResult]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,292 INFO L274 CegarLoopResult]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,292 INFO L274 CegarLoopResult]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,292 INFO L274 CegarLoopResult]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,292 INFO L274 CegarLoopResult]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,292 INFO L274 CegarLoopResult]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,292 INFO L274 CegarLoopResult]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,292 INFO L274 CegarLoopResult]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,293 INFO L274 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-11-29 23:33:42,293 INFO L274 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-11-29 23:33:42,293 INFO L274 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-11-29 23:33:42,293 INFO L274 CegarLoopResult]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,293 INFO L270 CegarLoopResult]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse5 (= ~a25~0 11)) (.cse4 (<= 307 ~a23~0)) (.cse0 (<= ~a29~0 599999)) (.cse1 (<= ~a25~0 10)) (.cse2 (= ~a4~0 1)) (.cse3 (<= ~a29~0 599998))) (or (<= (+ ~a29~0 21) 0) (and .cse0 .cse1 (<= (+ ~a23~0 599772) 0)) (and (not .cse2) .cse3) (and .cse4 .cse3) (and .cse5 .cse3) (and .cse0 .cse5 .cse4 .cse2) (and .cse0 .cse1 .cse2) (and (= ~a25~0 13) .cse3))) [2020-11-29 23:33:42,293 INFO L274 CegarLoopResult]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,293 INFO L274 CegarLoopResult]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,301 INFO L274 CegarLoopResult]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,301 INFO L274 CegarLoopResult]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,301 INFO L274 CegarLoopResult]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,301 INFO L274 CegarLoopResult]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,301 INFO L274 CegarLoopResult]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,302 INFO L274 CegarLoopResult]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,302 INFO L274 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-11-29 23:33:42,302 INFO L274 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-11-29 23:33:42,302 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-11-29 23:33:42,302 INFO L274 CegarLoopResult]: For program point L980(lines 980 990) no Hoare annotation was computed. [2020-11-29 23:33:42,302 INFO L274 CegarLoopResult]: For program point L914(lines 914 924) no Hoare annotation was computed. [2020-11-29 23:33:42,302 INFO L274 CegarLoopResult]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2020-11-29 23:33:42,302 INFO L274 CegarLoopResult]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2020-11-29 23:33:42,302 INFO L274 CegarLoopResult]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,303 INFO L274 CegarLoopResult]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,303 INFO L274 CegarLoopResult]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,304 INFO L274 CegarLoopResult]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,304 INFO L274 CegarLoopResult]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,304 INFO L274 CegarLoopResult]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,304 INFO L274 CegarLoopResult]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,304 INFO L274 CegarLoopResult]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,304 INFO L274 CegarLoopResult]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,304 INFO L274 CegarLoopResult]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,304 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 23:33:42,304 INFO L274 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-11-29 23:33:42,305 INFO L274 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-11-29 23:33:42,305 INFO L274 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-11-29 23:33:42,305 INFO L274 CegarLoopResult]: For program point L1049(line 1049) no Hoare annotation was computed. [2020-11-29 23:33:42,305 INFO L274 CegarLoopResult]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,305 INFO L274 CegarLoopResult]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,305 INFO L274 CegarLoopResult]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,305 INFO L274 CegarLoopResult]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,305 INFO L274 CegarLoopResult]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,306 INFO L274 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-11-29 23:33:42,306 INFO L274 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-11-29 23:33:42,306 INFO L274 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-11-29 23:33:42,306 INFO L274 CegarLoopResult]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,306 INFO L274 CegarLoopResult]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,306 INFO L274 CegarLoopResult]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,306 INFO L274 CegarLoopResult]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,306 INFO L274 CegarLoopResult]: For program point L525(lines 525 535) no Hoare annotation was computed. [2020-11-29 23:33:42,307 INFO L274 CegarLoopResult]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2020-11-29 23:33:42,307 INFO L274 CegarLoopResult]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,307 INFO L274 CegarLoopResult]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,307 INFO L274 CegarLoopResult]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,307 INFO L274 CegarLoopResult]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,307 INFO L274 CegarLoopResult]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,307 INFO L274 CegarLoopResult]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,307 INFO L274 CegarLoopResult]: For program point L658(lines 658 667) no Hoare annotation was computed. [2020-11-29 23:33:42,307 INFO L274 CegarLoopResult]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2020-11-29 23:33:42,308 INFO L274 CegarLoopResult]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,308 INFO L274 CegarLoopResult]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,308 INFO L274 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-11-29 23:33:42,308 INFO L274 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-11-29 23:33:42,308 INFO L274 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-11-29 23:33:42,308 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 23:33:42,308 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 23:33:42,309 INFO L274 CegarLoopResult]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,309 INFO L274 CegarLoopResult]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,309 INFO L274 CegarLoopResult]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,309 INFO L274 CegarLoopResult]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,309 INFO L274 CegarLoopResult]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,309 INFO L274 CegarLoopResult]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,309 INFO L274 CegarLoopResult]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,309 INFO L274 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-11-29 23:33:42,309 INFO L274 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-11-29 23:33:42,310 INFO L274 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-11-29 23:33:42,310 INFO L274 CegarLoopResult]: For program point L926(lines 926 936) no Hoare annotation was computed. [2020-11-29 23:33:42,310 INFO L274 CegarLoopResult]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2020-11-29 23:33:42,310 INFO L274 CegarLoopResult]: For program point L728(lines 728 740) no Hoare annotation was computed. [2020-11-29 23:33:42,310 INFO L274 CegarLoopResult]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2020-11-29 23:33:42,310 INFO L274 CegarLoopResult]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,310 INFO L274 CegarLoopResult]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,310 INFO L274 CegarLoopResult]: For program point L597(lines 597 607) no Hoare annotation was computed. [2020-11-29 23:33:42,311 INFO L274 CegarLoopResult]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2020-11-29 23:33:42,311 INFO L274 CegarLoopResult]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,311 INFO L274 CegarLoopResult]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,311 INFO L274 CegarLoopResult]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,311 INFO L274 CegarLoopResult]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,311 INFO L274 CegarLoopResult]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,311 INFO L274 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-11-29 23:33:42,311 INFO L274 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-11-29 23:33:42,311 INFO L274 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-11-29 23:33:42,312 INFO L274 CegarLoopResult]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,312 INFO L274 CegarLoopResult]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,312 INFO L274 CegarLoopResult]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,312 INFO L274 CegarLoopResult]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,312 INFO L274 CegarLoopResult]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,312 INFO L274 CegarLoopResult]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,312 INFO L274 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2020-11-29 23:33:42,312 INFO L274 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-11-29 23:33:42,313 INFO L274 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-11-29 23:33:42,313 INFO L274 CegarLoopResult]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,313 INFO L274 CegarLoopResult]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,313 INFO L274 CegarLoopResult]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,313 INFO L274 CegarLoopResult]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,313 INFO L274 CegarLoopResult]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,313 INFO L274 CegarLoopResult]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,313 INFO L274 CegarLoopResult]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,314 INFO L274 CegarLoopResult]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,314 INFO L274 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2020-11-29 23:33:42,314 INFO L274 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-11-29 23:33:42,314 INFO L274 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-11-29 23:33:42,314 INFO L274 CegarLoopResult]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,314 INFO L274 CegarLoopResult]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,314 INFO L274 CegarLoopResult]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,314 INFO L274 CegarLoopResult]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,314 INFO L274 CegarLoopResult]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,315 INFO L274 CegarLoopResult]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,315 INFO L274 CegarLoopResult]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,315 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-29 23:33:42,315 INFO L274 CegarLoopResult]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,315 INFO L274 CegarLoopResult]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,315 INFO L274 CegarLoopResult]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,315 INFO L274 CegarLoopResult]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,315 INFO L274 CegarLoopResult]: For program point L409(lines 409 420) no Hoare annotation was computed. [2020-11-29 23:33:42,316 INFO L274 CegarLoopResult]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2020-11-29 23:33:42,316 INFO L274 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2020-11-29 23:33:42,316 INFO L274 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-11-29 23:33:42,316 INFO L274 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-11-29 23:33:42,316 INFO L274 CegarLoopResult]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,316 INFO L274 CegarLoopResult]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,316 INFO L274 CegarLoopResult]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,316 INFO L274 CegarLoopResult]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,316 INFO L274 CegarLoopResult]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,317 INFO L274 CegarLoopResult]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,317 INFO L274 CegarLoopResult]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,317 INFO L274 CegarLoopResult]: For program point L214(line 214) no Hoare annotation was computed. [2020-11-29 23:33:42,317 INFO L274 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-11-29 23:33:42,317 INFO L274 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-11-29 23:33:42,317 INFO L274 CegarLoopResult]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,317 INFO L274 CegarLoopResult]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,317 INFO L274 CegarLoopResult]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,318 INFO L274 CegarLoopResult]: For program point L876(lines 876 885) no Hoare annotation was computed. [2020-11-29 23:33:42,318 INFO L274 CegarLoopResult]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2020-11-29 23:33:42,318 INFO L274 CegarLoopResult]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,318 INFO L274 CegarLoopResult]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,318 INFO L274 CegarLoopResult]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,318 INFO L274 CegarLoopResult]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,318 INFO L274 CegarLoopResult]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,318 INFO L274 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-11-29 23:33:42,318 INFO L274 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-11-29 23:33:42,319 INFO L274 CegarLoopResult]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,319 INFO L274 CegarLoopResult]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,319 INFO L274 CegarLoopResult]: For program point L614(lines 614 624) no Hoare annotation was computed. [2020-11-29 23:33:42,319 INFO L274 CegarLoopResult]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2020-11-29 23:33:42,319 INFO L274 CegarLoopResult]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,319 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 23:33:42,319 INFO L274 CegarLoopResult]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,319 INFO L274 CegarLoopResult]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,320 INFO L274 CegarLoopResult]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,320 INFO L274 CegarLoopResult]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,320 INFO L274 CegarLoopResult]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,320 INFO L274 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-11-29 23:33:42,320 INFO L274 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-11-29 23:33:42,320 INFO L274 CegarLoopResult]: For program point L815(lines 815 825) no Hoare annotation was computed. [2020-11-29 23:33:42,320 INFO L274 CegarLoopResult]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2020-11-29 23:33:42,320 INFO L274 CegarLoopResult]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,320 INFO L274 CegarLoopResult]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,321 INFO L274 CegarLoopResult]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,321 INFO L274 CegarLoopResult]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,321 INFO L274 CegarLoopResult]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,321 INFO L274 CegarLoopResult]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,321 INFO L274 CegarLoopResult]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,322 INFO L274 CegarLoopResult]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,322 INFO L274 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-11-29 23:33:42,323 INFO L274 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-11-29 23:33:42,323 INFO L274 CegarLoopResult]: For program point L950(lines 950 962) no Hoare annotation was computed. [2020-11-29 23:33:42,323 INFO L274 CegarLoopResult]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2020-11-29 23:33:42,323 INFO L274 CegarLoopResult]: For program point L488(lines 488 496) no Hoare annotation was computed. [2020-11-29 23:33:42,323 INFO L274 CegarLoopResult]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2020-11-29 23:33:42,323 INFO L274 CegarLoopResult]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,324 INFO L274 CegarLoopResult]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,324 INFO L274 CegarLoopResult]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,325 INFO L274 CegarLoopResult]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,327 INFO L274 CegarLoopResult]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,327 INFO L274 CegarLoopResult]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,327 INFO L274 CegarLoopResult]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,327 INFO L274 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-11-29 23:33:42,328 INFO L274 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-11-29 23:33:42,328 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 23:33:42,328 INFO L274 CegarLoopResult]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,329 INFO L274 CegarLoopResult]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,329 INFO L274 CegarLoopResult]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,329 INFO L274 CegarLoopResult]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,329 INFO L274 CegarLoopResult]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,329 INFO L274 CegarLoopResult]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,329 INFO L274 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-11-29 23:33:42,329 INFO L274 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-11-29 23:33:42,330 INFO L274 CegarLoopResult]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,330 INFO L274 CegarLoopResult]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,330 INFO L274 CegarLoopResult]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,330 INFO L274 CegarLoopResult]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,330 INFO L274 CegarLoopResult]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,330 INFO L274 CegarLoopResult]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,330 INFO L274 CegarLoopResult]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,330 INFO L274 CegarLoopResult]: For program point L33(lines 33 35) no Hoare annotation was computed. [2020-11-29 23:33:42,331 INFO L274 CegarLoopResult]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:33:42,331 INFO L274 CegarLoopResult]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,331 INFO L274 CegarLoopResult]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,331 INFO L274 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-11-29 23:33:42,331 INFO L274 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-11-29 23:33:42,331 INFO L274 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-11-29 23:33:42,331 INFO L274 CegarLoopResult]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2020-11-29 23:33:42,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 11:33:42 BoogieIcfgContainer [2020-11-29 23:33:42,368 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 23:33:42,369 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 23:33:42,369 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 23:33:42,370 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 23:33:42,370 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:33:12" (3/4) ... [2020-11-29 23:33:42,373 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 23:33:42,410 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 23:33:42,412 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 23:33:42,414 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 23:33:42,416 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 23:33:42,623 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2c16ea29-c8bd-465c-bcf1-2e2401b2126b/bin/uautomizer/witness.graphml [2020-11-29 23:33:42,623 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 23:33:42,624 INFO L168 Benchmark]: Toolchain (without parser) took 33600.36 ms. Allocated memory was 98.6 MB in the beginning and 1.1 GB in the end (delta: 1.0 GB). Free memory was 65.1 MB in the beginning and 632.7 MB in the end (delta: -567.6 MB). Peak memory consumption was 462.4 MB. Max. memory is 16.1 GB. [2020-11-29 23:33:42,625 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 77.6 MB. Free memory was 43.3 MB in the beginning and 43.2 MB in the end (delta: 75.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:33:42,625 INFO L168 Benchmark]: CACSL2BoogieTranslator took 865.64 ms. Allocated memory is still 98.6 MB. Free memory was 64.9 MB in the beginning and 41.6 MB in the end (delta: 23.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:33:42,625 INFO L168 Benchmark]: Boogie Procedure Inliner took 140.66 ms. Allocated memory is still 98.6 MB. Free memory was 41.6 MB in the beginning and 58.4 MB in the end (delta: -16.7 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2020-11-29 23:33:42,626 INFO L168 Benchmark]: Boogie Preprocessor took 110.14 ms. Allocated memory is still 98.6 MB. Free memory was 58.4 MB in the beginning and 48.3 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 23:33:42,626 INFO L168 Benchmark]: RCFGBuilder took 2406.15 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 48.3 MB in the beginning and 42.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 34.0 MB. Max. memory is 16.1 GB. [2020-11-29 23:33:42,627 INFO L168 Benchmark]: TraceAbstraction took 29816.56 ms. Allocated memory was 119.5 MB in the beginning and 1.1 GB in the end (delta: 1.0 GB). Free memory was 42.9 MB in the beginning and 659.0 MB in the end (delta: -616.1 MB). Peak memory consumption was 394.5 MB. Max. memory is 16.1 GB. [2020-11-29 23:33:42,627 INFO L168 Benchmark]: Witness Printer took 253.94 ms. Allocated memory is still 1.1 GB. Free memory was 659.0 MB in the beginning and 633.5 MB in the end (delta: 25.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-11-29 23:33:42,629 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 77.6 MB. Free memory was 43.3 MB in the beginning and 43.2 MB in the end (delta: 75.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 865.64 ms. Allocated memory is still 98.6 MB. Free memory was 64.9 MB in the beginning and 41.6 MB in the end (delta: 23.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 140.66 ms. Allocated memory is still 98.6 MB. Free memory was 41.6 MB in the beginning and 58.4 MB in the end (delta: -16.7 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 110.14 ms. Allocated memory is still 98.6 MB. Free memory was 58.4 MB in the beginning and 48.3 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2406.15 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 48.3 MB in the beginning and 42.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 34.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 29816.56 ms. Allocated memory was 119.5 MB in the beginning and 1.1 GB in the end (delta: 1.0 GB). Free memory was 42.9 MB in the beginning and 659.0 MB in the end (delta: -616.1 MB). Peak memory consumption was 394.5 MB. Max. memory is 16.1 GB. * Witness Printer took 253.94 ms. Allocated memory is still 1.1 GB. Free memory was 659.0 MB in the beginning and 633.5 MB in the end (delta: 25.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: 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: 1038]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: ((((((a29 + 21 <= 0 || ((a29 <= 599999 && a25 <= 10) && a23 + 599772 <= 0)) || (!(a4 == 1) && a29 <= 599998)) || (307 <= a23 && a29 <= 599998)) || (a25 == 11 && a29 <= 599998)) || (((a29 <= 599999 && a25 == 11) && 307 <= a23) && a4 == 1)) || ((a29 <= 599999 && a25 <= 10) && a4 == 1)) || (a25 == 13 && a29 <= 599998) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((a29 + 21 <= 0 || ((a29 <= 599999 && a25 <= 10) && a23 + 599772 <= 0)) || (!(a4 == 1) && a29 <= 599998)) || (307 <= a23 && a29 <= 599998)) || (a25 == 11 && a29 <= 599998)) || (((a29 <= 599999 && a25 == 11) && 307 <= a23) && a4 == 1)) || ((a29 <= 599999 && a25 <= 10) && a4 == 1)) || (a25 == 13 && a29 <= 599998) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 284 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 28.7s, OverallIterations: 14, TraceHistogramMax: 6, AutomataDifference: 21.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2451 SDtfs, 3048 SDslu, 399 SDs, 0 SdLazy, 10615 SolverSat, 2125 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18301occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.0s AutomataMinimizationTime, 14 MinimizatonAttempts, 9226 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 177 NumberOfFragments, 141 HoareAnnotationTreeSize, 3 FomulaSimplifications, 11989 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 3 FomulaSimplificationsInter, 808 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 4045 NumberOfCodeBlocks, 4045 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 4031 ConstructedInterpolants, 0 QuantifiedInterpolants, 3277557 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 4236/4236 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...