./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label47.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_aadb5413-c3cb-4a0d-a167-23eb5ab50352/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_aadb5413-c3cb-4a0d-a167-23eb5ab50352/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_aadb5413-c3cb-4a0d-a167-23eb5ab50352/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_aadb5413-c3cb-4a0d-a167-23eb5ab50352/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label47.c -s /tmp/vcloud-vcloud-master/worker/run_dir_aadb5413-c3cb-4a0d-a167-23eb5ab50352/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_aadb5413-c3cb-4a0d-a167-23eb5ab50352/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 23c829165b6a3476c5d8c4b0e0fd8361a13917e5 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 15:20:57,498 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:20:57,501 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:20:57,573 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:20:57,573 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:20:57,575 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:20:57,577 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:20:57,592 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:20:57,594 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:20:57,596 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:20:57,597 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:20:57,598 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:20:57,599 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:20:57,601 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:20:57,603 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:20:57,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:20:57,606 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:20:57,607 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:20:57,610 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:20:57,612 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:20:57,615 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:20:57,620 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:20:57,623 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:20:57,626 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:20:57,633 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:20:57,638 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:20:57,639 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:20:57,640 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:20:57,642 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:20:57,644 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:20:57,645 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:20:57,646 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:20:57,649 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:20:57,650 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:20:57,652 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:20:57,652 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:20:57,653 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:20:57,654 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:20:57,654 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:20:57,655 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:20:57,656 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:20:57,660 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_aadb5413-c3cb-4a0d-a167-23eb5ab50352/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 15:20:57,704 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:20:57,704 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:20:57,706 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:20:57,707 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:20:57,707 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:20:57,707 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:20:57,708 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 15:20:57,708 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:20:57,708 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 15:20:57,708 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:20:57,710 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 15:20:57,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 15:20:57,710 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 15:20:57,711 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 15:20:57,711 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:20:57,711 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:20:57,711 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 15:20:57,712 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:20:57,712 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:20:57,712 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 15:20:57,713 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 15:20:57,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:20:57,713 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:20:57,714 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 15:20:57,714 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 15:20:57,714 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:20:57,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 15:20:57,715 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 15:20:57,715 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:20:57,715 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_aadb5413-c3cb-4a0d-a167-23eb5ab50352/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_aadb5413-c3cb-4a0d-a167-23eb5ab50352/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23c829165b6a3476c5d8c4b0e0fd8361a13917e5 [2020-12-01 15:20:58,001 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:20:58,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:20:58,037 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:20:58,041 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:20:58,042 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:20:58,043 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_aadb5413-c3cb-4a0d-a167-23eb5ab50352/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem11_label47.c [2020-12-01 15:20:58,136 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aadb5413-c3cb-4a0d-a167-23eb5ab50352/bin/uautomizer/data/c91f9b482/48f3dcf3524842ab9b7f3173cd05cdf0/FLAG0c3d9ccea [2020-12-01 15:20:58,807 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:20:58,817 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_aadb5413-c3cb-4a0d-a167-23eb5ab50352/sv-benchmarks/c/eca-rers2012/Problem11_label47.c [2020-12-01 15:20:58,832 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aadb5413-c3cb-4a0d-a167-23eb5ab50352/bin/uautomizer/data/c91f9b482/48f3dcf3524842ab9b7f3173cd05cdf0/FLAG0c3d9ccea [2020-12-01 15:20:59,022 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_aadb5413-c3cb-4a0d-a167-23eb5ab50352/bin/uautomizer/data/c91f9b482/48f3dcf3524842ab9b7f3173cd05cdf0 [2020-12-01 15:20:59,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:20:59,026 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:20:59,033 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:20:59,033 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:20:59,037 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:20:59,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:20:59" (1/1) ... [2020-12-01 15:20:59,042 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@696e59ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:20:59, skipping insertion in model container [2020-12-01 15:20:59,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:20:59" (1/1) ... [2020-12-01 15:20:59,052 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:20:59,120 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:20:59,801 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:20:59,812 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:21:00,062 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:21:00,083 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:21:00,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:21:00 WrapperNode [2020-12-01 15:21:00,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:21:00,087 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:21:00,087 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:21:00,087 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:21:00,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:21:00" (1/1) ... [2020-12-01 15:21:00,137 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:21:00" (1/1) ... [2020-12-01 15:21:00,312 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:21:00,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:21:00,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:21:00,315 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:21:00,325 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:21:00" (1/1) ... [2020-12-01 15:21:00,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:21:00" (1/1) ... [2020-12-01 15:21:00,367 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:21:00" (1/1) ... [2020-12-01 15:21:00,368 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:21:00" (1/1) ... [2020-12-01 15:21:00,431 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:21:00" (1/1) ... [2020-12-01 15:21:00,458 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:21:00" (1/1) ... [2020-12-01 15:21:00,472 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:21:00" (1/1) ... [2020-12-01 15:21:00,483 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:21:00,484 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:21:00,484 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:21:00,484 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:21:00,486 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:21:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aadb5413-c3cb-4a0d-a167-23eb5ab50352/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 [2020-12-01 15:21:00,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 15:21:00,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 15:21:00,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:21:00,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:21:02,854 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:21:02,854 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 15:21:02,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:21:02 BoogieIcfgContainer [2020-12-01 15:21:02,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:21:02,862 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 15:21:02,863 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 15:21:02,868 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 15:21:02,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 03:20:59" (1/3) ... [2020-12-01 15:21:02,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28858526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:21:02, skipping insertion in model container [2020-12-01 15:21:02,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:21:00" (2/3) ... [2020-12-01 15:21:02,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28858526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:21:02, skipping insertion in model container [2020-12-01 15:21:02,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:21:02" (3/3) ... [2020-12-01 15:21:02,872 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label47.c [2020-12-01 15:21:02,889 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 15:21:02,894 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 15:21:02,906 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 15:21:02,956 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 15:21:02,957 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 15:21:02,957 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 15:21:02,957 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:21:02,958 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:21:02,958 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 15:21:02,958 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:21:02,958 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 15:21:02,990 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states. [2020-12-01 15:21:02,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 15:21:02,999 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:21:03,000 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] [2020-12-01 15:21:03,001 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:21:03,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:21:03,008 INFO L82 PathProgramCache]: Analyzing trace with hash -596708735, now seen corresponding path program 1 times [2020-12-01 15:21:03,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:21:03,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141799158] [2020-12-01 15:21:03,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:21:03,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:21:03,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:21:03,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141799158] [2020-12-01 15:21:03,390 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:21:03,391 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:21:03,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268556163] [2020-12-01 15:21:03,404 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:21:03,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:21:03,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:21:03,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:21:03,434 INFO L87 Difference]: Start difference. First operand 284 states. Second operand 3 states. [2020-12-01 15:21:05,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:21:05,114 INFO L93 Difference]: Finished difference Result 762 states and 1346 transitions. [2020-12-01 15:21:05,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:21:05,116 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2020-12-01 15:21:05,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:21:05,134 INFO L225 Difference]: With dead ends: 762 [2020-12-01 15:21:05,134 INFO L226 Difference]: Without dead ends: 413 [2020-12-01 15:21:05,139 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 [2020-12-01 15:21:05,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2020-12-01 15:21:05,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2020-12-01 15:21:05,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2020-12-01 15:21:05,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 599 transitions. [2020-12-01 15:21:05,210 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 599 transitions. Word has length 35 [2020-12-01 15:21:05,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:21:05,211 INFO L481 AbstractCegarLoop]: Abstraction has 413 states and 599 transitions. [2020-12-01 15:21:05,211 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:21:05,211 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 599 transitions. [2020-12-01 15:21:05,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-12-01 15:21:05,216 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:21:05,216 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:21:05,216 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 15:21:05,217 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:21:05,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:21:05,218 INFO L82 PathProgramCache]: Analyzing trace with hash 1540621286, now seen corresponding path program 1 times [2020-12-01 15:21:05,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:21:05,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169164056] [2020-12-01 15:21:05,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:21:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:21:05,456 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:21:05,456 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169164056] [2020-12-01 15:21:05,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:21:05,457 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:21:05,457 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742399624] [2020-12-01 15:21:05,458 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:21:05,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:21:05,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:21:05,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:21:05,460 INFO L87 Difference]: Start difference. First operand 413 states and 599 transitions. Second operand 3 states. [2020-12-01 15:21:06,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:21:06,453 INFO L93 Difference]: Finished difference Result 1211 states and 1763 transitions. [2020-12-01 15:21:06,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:21:06,454 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2020-12-01 15:21:06,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:21:06,461 INFO L225 Difference]: With dead ends: 1211 [2020-12-01 15:21:06,461 INFO L226 Difference]: Without dead ends: 800 [2020-12-01 15:21:06,465 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 [2020-12-01 15:21:06,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2020-12-01 15:21:06,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 789. [2020-12-01 15:21:06,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2020-12-01 15:21:06,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1083 transitions. [2020-12-01 15:21:06,506 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1083 transitions. Word has length 103 [2020-12-01 15:21:06,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:21:06,507 INFO L481 AbstractCegarLoop]: Abstraction has 789 states and 1083 transitions. [2020-12-01 15:21:06,507 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:21:06,507 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1083 transitions. [2020-12-01 15:21:06,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-12-01 15:21:06,509 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:21:06,510 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:21:06,510 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 15:21:06,510 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:21:06,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:21:06,511 INFO L82 PathProgramCache]: Analyzing trace with hash 852205291, now seen corresponding path program 1 times [2020-12-01 15:21:06,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:21:06,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704166478] [2020-12-01 15:21:06,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:21:06,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:21:06,686 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:21:06,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704166478] [2020-12-01 15:21:06,687 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:21:06,687 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:21:06,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265866600] [2020-12-01 15:21:06,689 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:21:06,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:21:06,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:21:06,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:21:06,697 INFO L87 Difference]: Start difference. First operand 789 states and 1083 transitions. Second operand 3 states. [2020-12-01 15:21:07,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:21:07,651 INFO L93 Difference]: Finished difference Result 2314 states and 3181 transitions. [2020-12-01 15:21:07,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:21:07,651 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2020-12-01 15:21:07,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:21:07,660 INFO L225 Difference]: With dead ends: 2314 [2020-12-01 15:21:07,661 INFO L226 Difference]: Without dead ends: 1527 [2020-12-01 15:21:07,662 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 [2020-12-01 15:21:07,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1527 states. [2020-12-01 15:21:07,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1527 to 1526. [2020-12-01 15:21:07,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1526 states. [2020-12-01 15:21:07,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 1856 transitions. [2020-12-01 15:21:07,703 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 1856 transitions. Word has length 105 [2020-12-01 15:21:07,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:21:07,704 INFO L481 AbstractCegarLoop]: Abstraction has 1526 states and 1856 transitions. [2020-12-01 15:21:07,704 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:21:07,704 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1856 transitions. [2020-12-01 15:21:07,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-12-01 15:21:07,708 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:21:07,708 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:21:07,709 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-01 15:21:07,709 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:21:07,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:21:07,709 INFO L82 PathProgramCache]: Analyzing trace with hash 1118410317, now seen corresponding path program 1 times [2020-12-01 15:21:07,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:21:07,710 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424878969] [2020-12-01 15:21:07,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:21:07,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:21:07,928 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:21:07,928 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424878969] [2020-12-01 15:21:07,928 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:21:07,928 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:21:07,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422726049] [2020-12-01 15:21:07,931 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:21:07,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:21:07,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:21:07,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:21:07,933 INFO L87 Difference]: Start difference. First operand 1526 states and 1856 transitions. Second operand 3 states. [2020-12-01 15:21:08,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:21:08,936 INFO L93 Difference]: Finished difference Result 3257 states and 4123 transitions. [2020-12-01 15:21:08,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:21:08,937 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 162 [2020-12-01 15:21:08,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:21:08,949 INFO L225 Difference]: With dead ends: 3257 [2020-12-01 15:21:08,949 INFO L226 Difference]: Without dead ends: 1917 [2020-12-01 15:21:08,952 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 [2020-12-01 15:21:08,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1917 states. [2020-12-01 15:21:08,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1917 to 1914. [2020-12-01 15:21:08,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1914 states. [2020-12-01 15:21:08,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1914 states to 1914 states and 2384 transitions. [2020-12-01 15:21:08,998 INFO L78 Accepts]: Start accepts. Automaton has 1914 states and 2384 transitions. Word has length 162 [2020-12-01 15:21:09,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:21:09,001 INFO L481 AbstractCegarLoop]: Abstraction has 1914 states and 2384 transitions. [2020-12-01 15:21:09,001 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:21:09,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1914 states and 2384 transitions. [2020-12-01 15:21:09,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-12-01 15:21:09,006 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:21:09,006 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-01 15:21:09,007 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-01 15:21:09,007 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:21:09,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:21:09,007 INFO L82 PathProgramCache]: Analyzing trace with hash -1231681204, now seen corresponding path program 1 times [2020-12-01 15:21:09,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:21:09,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859183112] [2020-12-01 15:21:09,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:21:09,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:21:09,314 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-12-01 15:21:09,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859183112] [2020-12-01 15:21:09,315 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:21:09,315 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:21:09,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215117730] [2020-12-01 15:21:09,316 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:21:09,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:21:09,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:21:09,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:21:09,317 INFO L87 Difference]: Start difference. First operand 1914 states and 2384 transitions. Second operand 3 states. [2020-12-01 15:21:10,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:21:10,410 INFO L93 Difference]: Finished difference Result 4389 states and 5590 transitions. [2020-12-01 15:21:10,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:21:10,411 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 217 [2020-12-01 15:21:10,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:21:10,426 INFO L225 Difference]: With dead ends: 4389 [2020-12-01 15:21:10,426 INFO L226 Difference]: Without dead ends: 2661 [2020-12-01 15:21:10,429 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 [2020-12-01 15:21:10,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2661 states. [2020-12-01 15:21:10,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2661 to 2467. [2020-12-01 15:21:10,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2467 states. [2020-12-01 15:21:10,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2467 states to 2467 states and 3045 transitions. [2020-12-01 15:21:10,485 INFO L78 Accepts]: Start accepts. Automaton has 2467 states and 3045 transitions. Word has length 217 [2020-12-01 15:21:10,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:21:10,486 INFO L481 AbstractCegarLoop]: Abstraction has 2467 states and 3045 transitions. [2020-12-01 15:21:10,486 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:21:10,486 INFO L276 IsEmpty]: Start isEmpty. Operand 2467 states and 3045 transitions. [2020-12-01 15:21:10,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-12-01 15:21:10,490 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:21:10,491 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-01 15:21:10,491 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-01 15:21:10,491 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:21:10,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:21:10,492 INFO L82 PathProgramCache]: Analyzing trace with hash -1677990501, now seen corresponding path program 1 times [2020-12-01 15:21:10,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:21:10,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231128733] [2020-12-01 15:21:10,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:21:10,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:21:10,728 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-12-01 15:21:10,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231128733] [2020-12-01 15:21:10,730 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:21:10,731 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:21:10,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762103918] [2020-12-01 15:21:10,731 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:21:10,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:21:10,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:21:10,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:21:10,734 INFO L87 Difference]: Start difference. First operand 2467 states and 3045 transitions. Second operand 3 states. [2020-12-01 15:21:11,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:21:11,818 INFO L93 Difference]: Finished difference Result 5862 states and 7297 transitions. [2020-12-01 15:21:11,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:21:11,819 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 223 [2020-12-01 15:21:11,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:21:11,840 INFO L225 Difference]: With dead ends: 5862 [2020-12-01 15:21:11,840 INFO L226 Difference]: Without dead ends: 3397 [2020-12-01 15:21:11,844 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 [2020-12-01 15:21:11,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3397 states. [2020-12-01 15:21:11,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3397 to 3388. [2020-12-01 15:21:11,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3388 states. [2020-12-01 15:21:11,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3388 states to 3388 states and 4091 transitions. [2020-12-01 15:21:11,933 INFO L78 Accepts]: Start accepts. Automaton has 3388 states and 4091 transitions. Word has length 223 [2020-12-01 15:21:11,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:21:11,936 INFO L481 AbstractCegarLoop]: Abstraction has 3388 states and 4091 transitions. [2020-12-01 15:21:11,936 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:21:11,936 INFO L276 IsEmpty]: Start isEmpty. Operand 3388 states and 4091 transitions. [2020-12-01 15:21:11,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2020-12-01 15:21:11,944 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:21:11,945 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:21:11,945 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-01 15:21:11,945 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:21:11,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:21:11,946 INFO L82 PathProgramCache]: Analyzing trace with hash -1939944005, now seen corresponding path program 1 times [2020-12-01 15:21:11,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:21:11,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476665379] [2020-12-01 15:21:11,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:21:12,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:21:12,209 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 278 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-12-01 15:21:12,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476665379] [2020-12-01 15:21:12,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:21:12,210 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:21:12,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828926980] [2020-12-01 15:21:12,210 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:21:12,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:21:12,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:21:12,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:21:12,212 INFO L87 Difference]: Start difference. First operand 3388 states and 4091 transitions. Second operand 3 states. [2020-12-01 15:21:13,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:21:13,214 INFO L93 Difference]: Finished difference Result 6788 states and 8205 transitions. [2020-12-01 15:21:13,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:21:13,215 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 294 [2020-12-01 15:21:13,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:21:13,235 INFO L225 Difference]: With dead ends: 6788 [2020-12-01 15:21:13,235 INFO L226 Difference]: Without dead ends: 3402 [2020-12-01 15:21:13,240 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 [2020-12-01 15:21:13,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3402 states. [2020-12-01 15:21:13,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3402 to 3020. [2020-12-01 15:21:13,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3020 states. [2020-12-01 15:21:13,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3020 states to 3020 states and 3567 transitions. [2020-12-01 15:21:13,350 INFO L78 Accepts]: Start accepts. Automaton has 3020 states and 3567 transitions. Word has length 294 [2020-12-01 15:21:13,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:21:13,351 INFO L481 AbstractCegarLoop]: Abstraction has 3020 states and 3567 transitions. [2020-12-01 15:21:13,351 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:21:13,351 INFO L276 IsEmpty]: Start isEmpty. Operand 3020 states and 3567 transitions. [2020-12-01 15:21:13,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2020-12-01 15:21:13,358 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:21:13,358 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:21:13,359 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-01 15:21:13,359 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:21:13,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:21:13,359 INFO L82 PathProgramCache]: Analyzing trace with hash 1728446459, now seen corresponding path program 1 times [2020-12-01 15:21:13,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:21:13,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819615385] [2020-12-01 15:21:13,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:21:13,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:21:13,585 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 245 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-12-01 15:21:13,585 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819615385] [2020-12-01 15:21:13,586 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:21:13,586 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:21:13,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42143212] [2020-12-01 15:21:13,587 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:21:13,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:21:13,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:21:13,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:21:13,588 INFO L87 Difference]: Start difference. First operand 3020 states and 3567 transitions. Second operand 3 states. [2020-12-01 15:21:14,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:21:14,469 INFO L93 Difference]: Finished difference Result 6015 states and 7099 transitions. [2020-12-01 15:21:14,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:21:14,469 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 295 [2020-12-01 15:21:14,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:21:14,485 INFO L225 Difference]: With dead ends: 6015 [2020-12-01 15:21:14,485 INFO L226 Difference]: Without dead ends: 2997 [2020-12-01 15:21:14,489 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 [2020-12-01 15:21:14,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2997 states. [2020-12-01 15:21:14,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2997 to 2995. [2020-12-01 15:21:14,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2995 states. [2020-12-01 15:21:14,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2995 states to 2995 states and 3392 transitions. [2020-12-01 15:21:14,546 INFO L78 Accepts]: Start accepts. Automaton has 2995 states and 3392 transitions. Word has length 295 [2020-12-01 15:21:14,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:21:14,547 INFO L481 AbstractCegarLoop]: Abstraction has 2995 states and 3392 transitions. [2020-12-01 15:21:14,547 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:21:14,547 INFO L276 IsEmpty]: Start isEmpty. Operand 2995 states and 3392 transitions. [2020-12-01 15:21:14,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2020-12-01 15:21:14,555 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:21:14,555 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-12-01 15:21:14,555 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-01 15:21:14,556 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:21:14,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:21:14,556 INFO L82 PathProgramCache]: Analyzing trace with hash -1160125408, now seen corresponding path program 1 times [2020-12-01 15:21:14,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:21:14,557 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042774031] [2020-12-01 15:21:14,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:21:14,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:21:14,848 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2020-12-01 15:21:14,848 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042774031] [2020-12-01 15:21:14,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:21:14,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:21:14,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749493187] [2020-12-01 15:21:14,850 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:21:14,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:21:14,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:21:14,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:21:14,855 INFO L87 Difference]: Start difference. First operand 2995 states and 3392 transitions. Second operand 3 states. [2020-12-01 15:21:15,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:21:15,717 INFO L93 Difference]: Finished difference Result 6907 states and 7810 transitions. [2020-12-01 15:21:15,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:21:15,718 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 300 [2020-12-01 15:21:15,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:21:15,738 INFO L225 Difference]: With dead ends: 6907 [2020-12-01 15:21:15,739 INFO L226 Difference]: Without dead ends: 3914 [2020-12-01 15:21:15,742 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 [2020-12-01 15:21:15,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3914 states. [2020-12-01 15:21:15,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3914 to 2069. [2020-12-01 15:21:15,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2069 states. [2020-12-01 15:21:15,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2069 states to 2069 states and 2374 transitions. [2020-12-01 15:21:15,798 INFO L78 Accepts]: Start accepts. Automaton has 2069 states and 2374 transitions. Word has length 300 [2020-12-01 15:21:15,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:21:15,799 INFO L481 AbstractCegarLoop]: Abstraction has 2069 states and 2374 transitions. [2020-12-01 15:21:15,799 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:21:15,799 INFO L276 IsEmpty]: Start isEmpty. Operand 2069 states and 2374 transitions. [2020-12-01 15:21:15,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2020-12-01 15:21:15,832 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:21:15,832 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-01 15:21:15,832 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-01 15:21:15,832 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:21:15,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:21:15,834 INFO L82 PathProgramCache]: Analyzing trace with hash -869936905, now seen corresponding path program 1 times [2020-12-01 15:21:15,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:21:15,834 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282962464] [2020-12-01 15:21:15,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:21:15,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:21:16,141 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:21:16,142 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282962464] [2020-12-01 15:21:16,142 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:21:16,142 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-01 15:21:16,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679045395] [2020-12-01 15:21:16,143 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:21:16,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:21:16,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:21:16,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:21:16,144 INFO L87 Difference]: Start difference. First operand 2069 states and 2374 transitions. Second operand 4 states. [2020-12-01 15:21:17,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:21:17,908 INFO L93 Difference]: Finished difference Result 6353 states and 7292 transitions. [2020-12-01 15:21:17,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 15:21:17,918 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 340 [2020-12-01 15:21:17,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:21:17,940 INFO L225 Difference]: With dead ends: 6353 [2020-12-01 15:21:17,941 INFO L226 Difference]: Without dead ends: 4286 [2020-12-01 15:21:17,944 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 [2020-12-01 15:21:17,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4286 states. [2020-12-01 15:21:18,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4286 to 3732. [2020-12-01 15:21:18,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3732 states. [2020-12-01 15:21:18,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3732 states to 3732 states and 4219 transitions. [2020-12-01 15:21:18,018 INFO L78 Accepts]: Start accepts. Automaton has 3732 states and 4219 transitions. Word has length 340 [2020-12-01 15:21:18,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:21:18,019 INFO L481 AbstractCegarLoop]: Abstraction has 3732 states and 4219 transitions. [2020-12-01 15:21:18,019 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:21:18,019 INFO L276 IsEmpty]: Start isEmpty. Operand 3732 states and 4219 transitions. [2020-12-01 15:21:18,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2020-12-01 15:21:18,032 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:21:18,033 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-12-01 15:21:18,033 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-01 15:21:18,034 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:21:18,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:21:18,034 INFO L82 PathProgramCache]: Analyzing trace with hash -1078433395, now seen corresponding path program 1 times [2020-12-01 15:21:18,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:21:18,035 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018922731] [2020-12-01 15:21:18,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:21:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:21:18,404 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 314 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-12-01 15:21:18,405 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018922731] [2020-12-01 15:21:18,406 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:21:18,406 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-01 15:21:18,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739717736] [2020-12-01 15:21:18,409 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:21:18,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:21:18,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:21:18,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:21:18,412 INFO L87 Difference]: Start difference. First operand 3732 states and 4219 transitions. Second operand 4 states. [2020-12-01 15:21:20,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:21:20,029 INFO L93 Difference]: Finished difference Result 8752 states and 9872 transitions. [2020-12-01 15:21:20,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 15:21:20,030 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 414 [2020-12-01 15:21:20,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:21:20,058 INFO L225 Difference]: With dead ends: 8752 [2020-12-01 15:21:20,065 INFO L226 Difference]: Without dead ends: 5022 [2020-12-01 15:21:20,070 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 [2020-12-01 15:21:20,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5022 states. [2020-12-01 15:21:20,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5022 to 3732. [2020-12-01 15:21:20,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3732 states. [2020-12-01 15:21:20,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3732 states to 3732 states and 4219 transitions. [2020-12-01 15:21:20,154 INFO L78 Accepts]: Start accepts. Automaton has 3732 states and 4219 transitions. Word has length 414 [2020-12-01 15:21:20,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:21:20,156 INFO L481 AbstractCegarLoop]: Abstraction has 3732 states and 4219 transitions. [2020-12-01 15:21:20,156 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:21:20,156 INFO L276 IsEmpty]: Start isEmpty. Operand 3732 states and 4219 transitions. [2020-12-01 15:21:20,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 666 [2020-12-01 15:21:20,183 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:21:20,183 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:21:20,184 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-01 15:21:20,184 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:21:20,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:21:20,185 INFO L82 PathProgramCache]: Analyzing trace with hash -1082999695, now seen corresponding path program 1 times [2020-12-01 15:21:20,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:21:20,185 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580476141] [2020-12-01 15:21:20,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:21:20,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:21:20,812 INFO L134 CoverageAnalysis]: Checked inductivity of 1213 backedges. 838 proven. 0 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2020-12-01 15:21:20,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580476141] [2020-12-01 15:21:20,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:21:20,813 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:21:20,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049797750] [2020-12-01 15:21:20,814 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:21:20,814 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:21:20,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:21:20,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:21:20,815 INFO L87 Difference]: Start difference. First operand 3732 states and 4219 transitions. Second operand 4 states. [2020-12-01 15:21:22,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:21:22,270 INFO L93 Difference]: Finished difference Result 11899 states and 13474 transitions. [2020-12-01 15:21:22,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 15:21:22,270 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 665 [2020-12-01 15:21:22,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:21:22,286 INFO L225 Difference]: With dead ends: 11899 [2020-12-01 15:21:22,286 INFO L226 Difference]: Without dead ends: 8169 [2020-12-01 15:21:22,292 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 [2020-12-01 15:21:22,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8169 states. [2020-12-01 15:21:22,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8169 to 7799. [2020-12-01 15:21:22,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7799 states. [2020-12-01 15:21:22,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7799 states to 7799 states and 8729 transitions. [2020-12-01 15:21:22,471 INFO L78 Accepts]: Start accepts. Automaton has 7799 states and 8729 transitions. Word has length 665 [2020-12-01 15:21:22,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:21:22,472 INFO L481 AbstractCegarLoop]: Abstraction has 7799 states and 8729 transitions. [2020-12-01 15:21:22,472 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:21:22,472 INFO L276 IsEmpty]: Start isEmpty. Operand 7799 states and 8729 transitions. [2020-12-01 15:21:22,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 734 [2020-12-01 15:21:22,498 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:21:22,498 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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] [2020-12-01 15:21:22,499 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-01 15:21:22,499 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:21:22,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:21:22,500 INFO L82 PathProgramCache]: Analyzing trace with hash 229994745, now seen corresponding path program 1 times [2020-12-01 15:21:22,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:21:22,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725927858] [2020-12-01 15:21:22,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:21:22,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:21:23,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1601 backedges. 952 proven. 0 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2020-12-01 15:21:23,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725927858] [2020-12-01 15:21:23,147 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:21:23,148 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:21:23,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667696796] [2020-12-01 15:21:23,149 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:21:23,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:21:23,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:21:23,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:21:23,150 INFO L87 Difference]: Start difference. First operand 7799 states and 8729 transitions. Second operand 3 states. [2020-12-01 15:21:24,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:21:24,235 INFO L93 Difference]: Finished difference Result 17436 states and 19554 transitions. [2020-12-01 15:21:24,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:21:24,236 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 733 [2020-12-01 15:21:24,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:21:24,253 INFO L225 Difference]: With dead ends: 17436 [2020-12-01 15:21:24,253 INFO L226 Difference]: Without dead ends: 8717 [2020-12-01 15:21:24,263 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 [2020-12-01 15:21:24,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8717 states. [2020-12-01 15:21:24,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8717 to 8717. [2020-12-01 15:21:24,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8717 states. [2020-12-01 15:21:24,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8717 states to 8717 states and 9593 transitions. [2020-12-01 15:21:24,386 INFO L78 Accepts]: Start accepts. Automaton has 8717 states and 9593 transitions. Word has length 733 [2020-12-01 15:21:24,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:21:24,387 INFO L481 AbstractCegarLoop]: Abstraction has 8717 states and 9593 transitions. [2020-12-01 15:21:24,387 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:21:24,387 INFO L276 IsEmpty]: Start isEmpty. Operand 8717 states and 9593 transitions. [2020-12-01 15:21:24,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 834 [2020-12-01 15:21:24,409 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:21:24,410 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:21:24,410 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-01 15:21:24,410 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:21:24,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:21:24,411 INFO L82 PathProgramCache]: Analyzing trace with hash -705917580, now seen corresponding path program 1 times [2020-12-01 15:21:24,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:21:24,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233847809] [2020-12-01 15:21:24,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:21:24,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:21:25,464 INFO L134 CoverageAnalysis]: Checked inductivity of 1979 backedges. 1433 proven. 0 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2020-12-01 15:21:25,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233847809] [2020-12-01 15:21:25,465 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:21:25,465 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:21:25,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652454539] [2020-12-01 15:21:25,466 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:21:25,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:21:25,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:21:25,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:21:25,467 INFO L87 Difference]: Start difference. First operand 8717 states and 9593 transitions. Second operand 3 states. [2020-12-01 15:21:26,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:21:26,397 INFO L93 Difference]: Finished difference Result 18165 states and 19959 transitions. [2020-12-01 15:21:26,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:21:26,398 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 833 [2020-12-01 15:21:26,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:21:26,399 INFO L225 Difference]: With dead ends: 18165 [2020-12-01 15:21:26,399 INFO L226 Difference]: Without dead ends: 0 [2020-12-01 15:21:26,415 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 [2020-12-01 15:21:26,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-01 15:21:26,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-01 15:21:26,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-01 15:21:26,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-01 15:21:26,417 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 833 [2020-12-01 15:21:26,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:21:26,417 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:21:26,417 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:21:26,417 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-01 15:21:26,418 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 15:21:26,418 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-01 15:21:26,420 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-01 15:21:26,604 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 115 [2020-12-01 15:21:26,731 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 115 [2020-12-01 15:21:27,386 WARN L197 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 49 [2020-12-01 15:21:27,993 WARN L197 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 49 [2020-12-01 15:21:27,995 INFO L262 CegarLoopResult]: For program point L498(lines 498 509) no Hoare annotation was computed. [2020-12-01 15:21:27,995 INFO L262 CegarLoopResult]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2020-12-01 15:21:27,995 INFO L262 CegarLoopResult]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2020-12-01 15:21:27,995 INFO L262 CegarLoopResult]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:27,995 INFO L262 CegarLoopResult]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:27,996 INFO L262 CegarLoopResult]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:27,996 INFO L262 CegarLoopResult]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2020-12-01 15:21:27,996 INFO L262 CegarLoopResult]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2020-12-01 15:21:27,996 INFO L262 CegarLoopResult]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2020-12-01 15:21:27,996 INFO L262 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-12-01 15:21:27,996 INFO L262 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-12-01 15:21:27,996 INFO L262 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-12-01 15:21:27,996 INFO L262 CegarLoopResult]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2020-12-01 15:21:27,996 INFO L262 CegarLoopResult]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2020-12-01 15:21:27,996 INFO L262 CegarLoopResult]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2020-12-01 15:21:27,996 INFO L262 CegarLoopResult]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2020-12-01 15:21:27,996 INFO L262 CegarLoopResult]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2020-12-01 15:21:27,996 INFO L262 CegarLoopResult]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:27,996 INFO L262 CegarLoopResult]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:27,996 INFO L262 CegarLoopResult]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:27,996 INFO L262 CegarLoopResult]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2020-12-01 15:21:27,996 INFO L262 CegarLoopResult]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2020-12-01 15:21:27,996 INFO L262 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-12-01 15:21:27,997 INFO L262 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-12-01 15:21:27,997 INFO L262 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-12-01 15:21:27,997 INFO L262 CegarLoopResult]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2020-12-01 15:21:27,997 INFO L262 CegarLoopResult]: For program point L768(lines 768 778) no Hoare annotation was computed. [2020-12-01 15:21:27,997 INFO L262 CegarLoopResult]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2020-12-01 15:21:27,997 INFO L262 CegarLoopResult]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:27,997 INFO L262 CegarLoopResult]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:27,997 INFO L262 CegarLoopResult]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:27,997 INFO L262 CegarLoopResult]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2020-12-01 15:21:27,997 INFO L262 CegarLoopResult]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2020-12-01 15:21:27,997 INFO L262 CegarLoopResult]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2020-12-01 15:21:27,997 INFO L262 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-12-01 15:21:27,997 INFO L262 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-12-01 15:21:27,997 INFO L262 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-12-01 15:21:27,997 INFO L262 CegarLoopResult]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2020-12-01 15:21:27,997 INFO L262 CegarLoopResult]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2020-12-01 15:21:27,997 INFO L262 CegarLoopResult]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2020-12-01 15:21:27,998 INFO L258 CegarLoopResult]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse7 (<= (+ ~a29~0 22) 0)) (.cse1 (= ~a4~0 0)) (.cse8 (= ~a25~0 13)) (.cse2 (<= ~a29~0 599998)) (.cse3 (= ~a25~0 12)) (.cse10 (<= ~a29~0 599999)) (.cse0 (= ~a25~0 11)) (.cse5 (<= ~a25~0 10)) (.cse6 (<= ~a23~0 138)) (.cse4 (= ~a4~0 1)) (.cse9 (+ ~a23~0 43))) (or (and .cse0 .cse1 (<= ~a23~0 312) .cse2) (and (< 306 ~a23~0) .cse3 .cse2 .cse4) (and .cse5 .cse6 .cse1 .cse2) (and .cse5 .cse1 .cse7) (and .cse6 .cse1 .cse8 .cse7) (and .cse8 .cse2 .cse4) (and .cse1 .cse3 .cse2) (and .cse1 .cse8 .cse2 (<= .cse9 0)) (and .cse10 .cse5 .cse4) (and (<= ~a29~0 130) .cse3 .cse4) (and .cse10 .cse0 .cse4) (and .cse5 .cse6 .cse4 (< 0 .cse9)))) [2020-12-01 15:21:27,998 INFO L262 CegarLoopResult]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2020-12-01 15:21:27,998 INFO L262 CegarLoopResult]: For program point L705(lines 705 715) no Hoare annotation was computed. [2020-12-01 15:21:27,998 INFO L262 CegarLoopResult]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2020-12-01 15:21:27,998 INFO L262 CegarLoopResult]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2020-12-01 15:21:27,998 INFO L262 CegarLoopResult]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2020-12-01 15:21:27,998 INFO L262 CegarLoopResult]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2020-12-01 15:21:27,998 INFO L262 CegarLoopResult]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:27,998 INFO L262 CegarLoopResult]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:27,998 INFO L262 CegarLoopResult]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:27,998 INFO L262 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-12-01 15:21:27,998 INFO L262 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-12-01 15:21:27,998 INFO L262 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-12-01 15:21:27,998 INFO L265 CegarLoopResult]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2020-12-01 15:21:27,998 INFO L262 CegarLoopResult]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2020-12-01 15:21:27,999 INFO L262 CegarLoopResult]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2020-12-01 15:21:27,999 INFO L262 CegarLoopResult]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:27,999 INFO L262 CegarLoopResult]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:27,999 INFO L262 CegarLoopResult]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:27,999 INFO L262 CegarLoopResult]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2020-12-01 15:21:27,999 INFO L262 CegarLoopResult]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2020-12-01 15:21:27,999 INFO L262 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-12-01 15:21:27,999 INFO L262 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-12-01 15:21:27,999 INFO L262 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-12-01 15:21:27,999 INFO L262 CegarLoopResult]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2020-12-01 15:21:27,999 INFO L262 CegarLoopResult]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2020-12-01 15:21:27,999 INFO L262 CegarLoopResult]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2020-12-01 15:21:27,999 INFO L262 CegarLoopResult]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2020-12-01 15:21:27,999 INFO L262 CegarLoopResult]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2020-12-01 15:21:27,999 INFO L262 CegarLoopResult]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:27,999 INFO L262 CegarLoopResult]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:27,999 INFO L262 CegarLoopResult]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:27,999 INFO L262 CegarLoopResult]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,000 INFO L262 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-12-01 15:21:28,000 INFO L262 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-12-01 15:21:28,000 INFO L262 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-12-01 15:21:28,000 INFO L262 CegarLoopResult]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,000 INFO L258 CegarLoopResult]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse7 (<= (+ ~a29~0 22) 0)) (.cse1 (= ~a4~0 0)) (.cse8 (= ~a25~0 13)) (.cse2 (<= ~a29~0 599998)) (.cse3 (= ~a25~0 12)) (.cse10 (<= ~a29~0 599999)) (.cse0 (= ~a25~0 11)) (.cse5 (<= ~a25~0 10)) (.cse6 (<= ~a23~0 138)) (.cse4 (= ~a4~0 1)) (.cse9 (+ ~a23~0 43))) (or (and .cse0 .cse1 (<= ~a23~0 312) .cse2) (and (< 306 ~a23~0) .cse3 .cse2 .cse4) (and .cse5 .cse6 .cse1 .cse2) (and .cse5 .cse1 .cse7) (and .cse6 .cse1 .cse8 .cse7) (and .cse8 .cse2 .cse4) (and .cse1 .cse3 .cse2) (and .cse1 .cse8 .cse2 (<= .cse9 0)) (and .cse10 .cse5 .cse4) (and (<= ~a29~0 130) .cse3 .cse4) (and .cse10 .cse0 .cse4) (and .cse5 .cse6 .cse4 (< 0 .cse9)))) [2020-12-01 15:21:28,000 INFO L262 CegarLoopResult]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,000 INFO L262 CegarLoopResult]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,000 INFO L262 CegarLoopResult]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:28,000 INFO L262 CegarLoopResult]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:28,000 INFO L262 CegarLoopResult]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:28,000 INFO L262 CegarLoopResult]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,000 INFO L262 CegarLoopResult]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,000 INFO L262 CegarLoopResult]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,000 INFO L262 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-12-01 15:21:28,000 INFO L262 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-12-01 15:21:28,000 INFO L262 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-12-01 15:21:28,001 INFO L262 CegarLoopResult]: For program point L980(lines 980 990) no Hoare annotation was computed. [2020-12-01 15:21:28,001 INFO L262 CegarLoopResult]: For program point L914(lines 914 924) no Hoare annotation was computed. [2020-12-01 15:21:28,001 INFO L262 CegarLoopResult]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2020-12-01 15:21:28,001 INFO L262 CegarLoopResult]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2020-12-01 15:21:28,001 INFO L262 CegarLoopResult]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,001 INFO L262 CegarLoopResult]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,001 INFO L262 CegarLoopResult]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,001 INFO L262 CegarLoopResult]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,001 INFO L262 CegarLoopResult]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,001 INFO L262 CegarLoopResult]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:28,002 INFO L262 CegarLoopResult]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:28,002 INFO L262 CegarLoopResult]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:28,002 INFO L262 CegarLoopResult]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,002 INFO L262 CegarLoopResult]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,002 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-01 15:21:28,002 INFO L262 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-12-01 15:21:28,002 INFO L262 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-12-01 15:21:28,002 INFO L262 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-12-01 15:21:28,002 INFO L262 CegarLoopResult]: For program point L1049(line 1049) no Hoare annotation was computed. [2020-12-01 15:21:28,002 INFO L262 CegarLoopResult]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,002 INFO L262 CegarLoopResult]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,002 INFO L262 CegarLoopResult]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:28,002 INFO L262 CegarLoopResult]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:28,002 INFO L262 CegarLoopResult]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:28,002 INFO L262 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-12-01 15:21:28,002 INFO L262 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-12-01 15:21:28,003 INFO L262 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-12-01 15:21:28,003 INFO L262 CegarLoopResult]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,003 INFO L262 CegarLoopResult]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,003 INFO L262 CegarLoopResult]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,003 INFO L262 CegarLoopResult]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,003 INFO L262 CegarLoopResult]: For program point L525(lines 525 535) no Hoare annotation was computed. [2020-12-01 15:21:28,003 INFO L262 CegarLoopResult]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2020-12-01 15:21:28,003 INFO L262 CegarLoopResult]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,004 INFO L262 CegarLoopResult]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:28,004 INFO L262 CegarLoopResult]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:28,004 INFO L262 CegarLoopResult]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:28,004 INFO L262 CegarLoopResult]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,004 INFO L262 CegarLoopResult]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,004 INFO L262 CegarLoopResult]: For program point L658(lines 658 667) no Hoare annotation was computed. [2020-12-01 15:21:28,004 INFO L262 CegarLoopResult]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2020-12-01 15:21:28,004 INFO L262 CegarLoopResult]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,005 INFO L262 CegarLoopResult]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,005 INFO L262 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-12-01 15:21:28,005 INFO L262 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-12-01 15:21:28,005 INFO L262 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-12-01 15:21:28,005 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-01 15:21:28,005 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-12-01 15:21:28,005 INFO L262 CegarLoopResult]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,005 INFO L262 CegarLoopResult]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:28,006 INFO L262 CegarLoopResult]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:28,006 INFO L262 CegarLoopResult]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:28,006 INFO L262 CegarLoopResult]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,006 INFO L262 CegarLoopResult]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,006 INFO L262 CegarLoopResult]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,006 INFO L262 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-12-01 15:21:28,006 INFO L262 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-12-01 15:21:28,006 INFO L262 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-12-01 15:21:28,006 INFO L262 CegarLoopResult]: For program point L926(lines 926 936) no Hoare annotation was computed. [2020-12-01 15:21:28,006 INFO L262 CegarLoopResult]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2020-12-01 15:21:28,006 INFO L262 CegarLoopResult]: For program point L728(lines 728 740) no Hoare annotation was computed. [2020-12-01 15:21:28,006 INFO L262 CegarLoopResult]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2020-12-01 15:21:28,007 INFO L262 CegarLoopResult]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,007 INFO L262 CegarLoopResult]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,007 INFO L262 CegarLoopResult]: For program point L597(lines 597 607) no Hoare annotation was computed. [2020-12-01 15:21:28,007 INFO L262 CegarLoopResult]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2020-12-01 15:21:28,007 INFO L262 CegarLoopResult]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:28,007 INFO L262 CegarLoopResult]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:28,007 INFO L262 CegarLoopResult]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:28,007 INFO L262 CegarLoopResult]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,008 INFO L262 CegarLoopResult]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,008 INFO L262 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-12-01 15:21:28,008 INFO L262 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-12-01 15:21:28,008 INFO L262 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-12-01 15:21:28,008 INFO L262 CegarLoopResult]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,008 INFO L262 CegarLoopResult]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,008 INFO L262 CegarLoopResult]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,008 INFO L262 CegarLoopResult]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:28,009 INFO L262 CegarLoopResult]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:28,009 INFO L262 CegarLoopResult]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:28,009 INFO L262 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2020-12-01 15:21:28,009 INFO L262 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-12-01 15:21:28,009 INFO L262 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-12-01 15:21:28,009 INFO L262 CegarLoopResult]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,009 INFO L262 CegarLoopResult]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,009 INFO L262 CegarLoopResult]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,010 INFO L262 CegarLoopResult]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,010 INFO L262 CegarLoopResult]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:28,010 INFO L262 CegarLoopResult]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:28,010 INFO L262 CegarLoopResult]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:28,010 INFO L262 CegarLoopResult]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,010 INFO L262 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2020-12-01 15:21:28,010 INFO L262 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-12-01 15:21:28,010 INFO L262 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-12-01 15:21:28,011 INFO L262 CegarLoopResult]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,011 INFO L262 CegarLoopResult]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,011 INFO L262 CegarLoopResult]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,011 INFO L262 CegarLoopResult]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,011 INFO L262 CegarLoopResult]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:28,011 INFO L262 CegarLoopResult]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:28,011 INFO L262 CegarLoopResult]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:28,011 INFO L262 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-12-01 15:21:28,012 INFO L262 CegarLoopResult]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,012 INFO L262 CegarLoopResult]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,012 INFO L262 CegarLoopResult]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,012 INFO L262 CegarLoopResult]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,012 INFO L262 CegarLoopResult]: For program point L409(lines 409 420) no Hoare annotation was computed. [2020-12-01 15:21:28,012 INFO L262 CegarLoopResult]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2020-12-01 15:21:28,012 INFO L262 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2020-12-01 15:21:28,012 INFO L262 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-12-01 15:21:28,013 INFO L262 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-12-01 15:21:28,013 INFO L262 CegarLoopResult]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,013 INFO L262 CegarLoopResult]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,013 INFO L262 CegarLoopResult]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,013 INFO L262 CegarLoopResult]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,013 INFO L262 CegarLoopResult]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:28,013 INFO L262 CegarLoopResult]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:28,013 INFO L262 CegarLoopResult]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:28,014 INFO L262 CegarLoopResult]: For program point L214(line 214) no Hoare annotation was computed. [2020-12-01 15:21:28,014 INFO L262 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-12-01 15:21:28,014 INFO L262 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-12-01 15:21:28,014 INFO L262 CegarLoopResult]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,014 INFO L262 CegarLoopResult]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,014 INFO L262 CegarLoopResult]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,014 INFO L262 CegarLoopResult]: For program point L876(lines 876 885) no Hoare annotation was computed. [2020-12-01 15:21:28,014 INFO L262 CegarLoopResult]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2020-12-01 15:21:28,015 INFO L262 CegarLoopResult]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,015 INFO L262 CegarLoopResult]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:28,015 INFO L262 CegarLoopResult]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:28,015 INFO L262 CegarLoopResult]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,015 INFO L262 CegarLoopResult]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,015 INFO L262 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-12-01 15:21:28,015 INFO L262 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-12-01 15:21:28,015 INFO L262 CegarLoopResult]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,016 INFO L262 CegarLoopResult]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,016 INFO L262 CegarLoopResult]: For program point L614(lines 614 624) no Hoare annotation was computed. [2020-12-01 15:21:28,016 INFO L262 CegarLoopResult]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2020-12-01 15:21:28,016 INFO L262 CegarLoopResult]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,016 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-01 15:21:28,016 INFO L262 CegarLoopResult]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,016 INFO L262 CegarLoopResult]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:28,016 INFO L262 CegarLoopResult]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:28,017 INFO L262 CegarLoopResult]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,017 INFO L262 CegarLoopResult]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,017 INFO L262 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-12-01 15:21:28,017 INFO L262 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-12-01 15:21:28,017 INFO L262 CegarLoopResult]: For program point L815(lines 815 825) no Hoare annotation was computed. [2020-12-01 15:21:28,017 INFO L262 CegarLoopResult]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2020-12-01 15:21:28,017 INFO L262 CegarLoopResult]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,017 INFO L262 CegarLoopResult]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:28,018 INFO L262 CegarLoopResult]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:28,018 INFO L262 CegarLoopResult]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,018 INFO L262 CegarLoopResult]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,018 INFO L262 CegarLoopResult]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,018 INFO L262 CegarLoopResult]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,018 INFO L262 CegarLoopResult]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,018 INFO L262 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-12-01 15:21:28,018 INFO L262 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-12-01 15:21:28,019 INFO L262 CegarLoopResult]: For program point L950(lines 950 962) no Hoare annotation was computed. [2020-12-01 15:21:28,019 INFO L262 CegarLoopResult]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2020-12-01 15:21:28,019 INFO L262 CegarLoopResult]: For program point L488(lines 488 496) no Hoare annotation was computed. [2020-12-01 15:21:28,019 INFO L262 CegarLoopResult]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2020-12-01 15:21:28,019 INFO L262 CegarLoopResult]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,019 INFO L262 CegarLoopResult]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,019 INFO L262 CegarLoopResult]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,019 INFO L262 CegarLoopResult]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,020 INFO L262 CegarLoopResult]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:28,020 INFO L262 CegarLoopResult]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:28,020 INFO L262 CegarLoopResult]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,020 INFO L262 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-12-01 15:21:28,020 INFO L262 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-12-01 15:21:28,020 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-01 15:21:28,020 INFO L262 CegarLoopResult]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:28,021 INFO L262 CegarLoopResult]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:28,021 INFO L262 CegarLoopResult]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,021 INFO L262 CegarLoopResult]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,021 INFO L262 CegarLoopResult]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,021 INFO L262 CegarLoopResult]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,021 INFO L262 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-12-01 15:21:28,021 INFO L262 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-12-01 15:21:28,021 INFO L262 CegarLoopResult]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,022 INFO L262 CegarLoopResult]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,022 INFO L262 CegarLoopResult]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,022 INFO L262 CegarLoopResult]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,022 INFO L262 CegarLoopResult]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,022 INFO L262 CegarLoopResult]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:28,022 INFO L262 CegarLoopResult]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:28,022 INFO L262 CegarLoopResult]: For program point L33(lines 33 35) no Hoare annotation was computed. [2020-12-01 15:21:28,022 INFO L262 CegarLoopResult]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:21:28,023 INFO L262 CegarLoopResult]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,023 INFO L262 CegarLoopResult]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,023 INFO L262 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-12-01 15:21:28,023 INFO L262 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-12-01 15:21:28,023 INFO L262 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-12-01 15:21:28,023 INFO L262 CegarLoopResult]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2020-12-01 15:21:28,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 03:21:28 BoogieIcfgContainer [2020-12-01 15:21:28,047 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 15:21:28,047 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:21:28,047 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:21:28,047 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:21:28,048 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:21:02" (3/4) ... [2020-12-01 15:21:28,051 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 15:21:28,079 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-01 15:21:28,082 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-01 15:21:28,084 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 15:21:28,086 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 15:21:28,248 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_aadb5413-c3cb-4a0d-a167-23eb5ab50352/bin/uautomizer/witness.graphml [2020-12-01 15:21:28,248 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:21:28,249 INFO L168 Benchmark]: Toolchain (without parser) took 29222.27 ms. Allocated memory was 83.9 MB in the beginning and 861.9 MB in the end (delta: 778.0 MB). Free memory was 50.5 MB in the beginning and 730.4 MB in the end (delta: -679.9 MB). Peak memory consumption was 97.0 MB. Max. memory is 16.1 GB. [2020-12-01 15:21:28,249 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 83.9 MB. Free memory was 43.6 MB in the beginning and 43.6 MB in the end (delta: 39.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:21:28,250 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1053.24 ms. Allocated memory was 83.9 MB in the beginning and 102.8 MB in the end (delta: 18.9 MB). Free memory was 50.1 MB in the beginning and 46.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-12-01 15:21:28,250 INFO L168 Benchmark]: Boogie Procedure Inliner took 225.20 ms. Allocated memory is still 102.8 MB. Free memory was 46.3 MB in the beginning and 65.8 MB in the end (delta: -19.5 MB). Peak memory consumption was 16.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:21:28,251 INFO L168 Benchmark]: Boogie Preprocessor took 169.22 ms. Allocated memory is still 102.8 MB. Free memory was 65.8 MB in the beginning and 55.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 15:21:28,251 INFO L168 Benchmark]: RCFGBuilder took 2374.94 ms. Allocated memory was 102.8 MB in the beginning and 172.0 MB in the end (delta: 69.2 MB). Free memory was 55.3 MB in the beginning and 108.0 MB in the end (delta: -52.7 MB). Peak memory consumption was 57.3 MB. Max. memory is 16.1 GB. [2020-12-01 15:21:28,251 INFO L168 Benchmark]: TraceAbstraction took 25184.98 ms. Allocated memory was 172.0 MB in the beginning and 861.9 MB in the end (delta: 690.0 MB). Free memory was 107.0 MB in the beginning and 755.8 MB in the end (delta: -648.8 MB). Peak memory consumption was 518.3 MB. Max. memory is 16.1 GB. [2020-12-01 15:21:28,252 INFO L168 Benchmark]: Witness Printer took 200.89 ms. Allocated memory is still 861.9 MB. Free memory was 755.8 MB in the beginning and 730.4 MB in the end (delta: 25.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-12-01 15:21:28,254 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 83.9 MB. Free memory was 43.6 MB in the beginning and 43.6 MB in the end (delta: 39.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1053.24 ms. Allocated memory was 83.9 MB in the beginning and 102.8 MB in the end (delta: 18.9 MB). Free memory was 50.1 MB in the beginning and 46.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 225.20 ms. Allocated memory is still 102.8 MB. Free memory was 46.3 MB in the beginning and 65.8 MB in the end (delta: -19.5 MB). Peak memory consumption was 16.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 169.22 ms. Allocated memory is still 102.8 MB. Free memory was 65.8 MB in the beginning and 55.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2374.94 ms. Allocated memory was 102.8 MB in the beginning and 172.0 MB in the end (delta: 69.2 MB). Free memory was 55.3 MB in the beginning and 108.0 MB in the end (delta: -52.7 MB). Peak memory consumption was 57.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 25184.98 ms. Allocated memory was 172.0 MB in the beginning and 861.9 MB in the end (delta: 690.0 MB). Free memory was 107.0 MB in the beginning and 755.8 MB in the end (delta: -648.8 MB). Peak memory consumption was 518.3 MB. Max. memory is 16.1 GB. * Witness Printer took 200.89 ms. Allocated memory is still 861.9 MB. Free memory was 755.8 MB in the beginning and 730.4 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: (((((((((((((a25 == 11 && a4 == 0) && a23 <= 312) && a29 <= 599998) || (((306 < a23 && a25 == 12) && a29 <= 599998) && a4 == 1)) || (((a25 <= 10 && a23 <= 138) && a4 == 0) && a29 <= 599998)) || ((a25 <= 10 && a4 == 0) && a29 + 22 <= 0)) || (((a23 <= 138 && a4 == 0) && a25 == 13) && a29 + 22 <= 0)) || ((a25 == 13 && a29 <= 599998) && a4 == 1)) || ((a4 == 0 && a25 == 12) && a29 <= 599998)) || (((a4 == 0 && a25 == 13) && a29 <= 599998) && a23 + 43 <= 0)) || ((a29 <= 599999 && a25 <= 10) && a4 == 1)) || ((a29 <= 130 && a25 == 12) && a4 == 1)) || ((a29 <= 599999 && a25 == 11) && a4 == 1)) || (((a25 <= 10 && a23 <= 138) && a4 == 1) && 0 < a23 + 43) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((((((((((a25 == 11 && a4 == 0) && a23 <= 312) && a29 <= 599998) || (((306 < a23 && a25 == 12) && a29 <= 599998) && a4 == 1)) || (((a25 <= 10 && a23 <= 138) && a4 == 0) && a29 <= 599998)) || ((a25 <= 10 && a4 == 0) && a29 + 22 <= 0)) || (((a23 <= 138 && a4 == 0) && a25 == 13) && a29 + 22 <= 0)) || ((a25 == 13 && a29 <= 599998) && a4 == 1)) || ((a4 == 0 && a25 == 12) && a29 <= 599998)) || (((a4 == 0 && a25 == 13) && a29 <= 599998) && a23 + 43 <= 0)) || ((a29 <= 599999 && a25 <= 10) && a4 == 1)) || ((a29 <= 130 && a25 == 12) && a4 == 1)) || ((a29 <= 599999 && a25 == 11) && a4 == 1)) || (((a25 <= 10 && a23 <= 138) && a4 == 1) && 0 < a23 + 43) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 284 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 23.4s, OverallIterations: 14, TraceHistogramMax: 7, AutomataDifference: 16.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2803 SDtfs, 2466 SDslu, 373 SDs, 0 SdLazy, 9184 SolverSat, 1708 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8717occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 14 MinimizatonAttempts, 4661 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 117 NumberOfFragments, 295 HoareAnnotationTreeSize, 3 FomulaSimplifications, 4606 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 3 FomulaSimplificationsInter, 3192 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 4719 NumberOfCodeBlocks, 4719 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 4705 ConstructedInterpolants, 0 QuantifiedInterpolants, 3897979 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 6731/6731 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...