./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label07.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2b7786c7-1892-46e7-b47b-2e72bf963a1f/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2b7786c7-1892-46e7-b47b-2e72bf963a1f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2b7786c7-1892-46e7-b47b-2e72bf963a1f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2b7786c7-1892-46e7-b47b-2e72bf963a1f/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label07.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2b7786c7-1892-46e7-b47b-2e72bf963a1f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2b7786c7-1892-46e7-b47b-2e72bf963a1f/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 483f2399523337c7b4e526f7d7e756f2b272f850 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:55:33,566 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:55:33,569 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:55:33,653 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:55:33,662 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:55:33,664 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:55:33,671 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:55:33,682 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:55:33,685 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:55:33,686 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:55:33,687 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:55:33,689 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:55:33,689 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:55:33,691 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:55:33,693 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:55:33,696 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:55:33,698 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:55:33,706 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:55:33,711 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:55:33,715 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:55:33,717 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:55:33,718 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:55:33,720 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:55:33,721 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:55:33,724 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:55:33,724 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:55:33,725 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:55:33,726 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:55:33,727 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:55:33,728 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:55:33,728 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:55:33,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:55:33,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:55:33,732 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:55:33,733 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:55:33,733 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:55:33,734 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:55:33,735 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:55:33,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:55:33,736 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:55:33,737 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:55:33,741 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2b7786c7-1892-46e7-b47b-2e72bf963a1f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:55:33,773 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:55:33,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:55:33,774 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:55:33,774 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:55:33,775 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:55:33,775 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:55:33,775 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:55:33,775 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:55:33,776 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:55:33,776 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:55:33,776 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:55:33,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:55:33,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:55:33,777 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:55:33,777 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:55:33,777 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:55:33,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:55:33,778 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:55:33,778 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:55:33,778 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:55:33,778 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:55:33,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:55:33,779 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:55:33,779 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:55:33,779 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:55:33,779 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:55:33,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:55:33,780 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:55:33,780 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:55:33,780 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_2b7786c7-1892-46e7-b47b-2e72bf963a1f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2b7786c7-1892-46e7-b47b-2e72bf963a1f/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 483f2399523337c7b4e526f7d7e756f2b272f850 [2020-11-30 00:55:34,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:55:34,110 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:55:34,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:55:34,117 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:55:34,118 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:55:34,119 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2b7786c7-1892-46e7-b47b-2e72bf963a1f/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem11_label07.c [2020-11-30 00:55:34,214 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2b7786c7-1892-46e7-b47b-2e72bf963a1f/bin/uautomizer/data/984338d48/adcba6bc31bc4d4084ff5e8909599201/FLAG17f291449 [2020-11-30 00:55:34,843 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:55:34,844 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2b7786c7-1892-46e7-b47b-2e72bf963a1f/sv-benchmarks/c/eca-rers2012/Problem11_label07.c [2020-11-30 00:55:34,859 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2b7786c7-1892-46e7-b47b-2e72bf963a1f/bin/uautomizer/data/984338d48/adcba6bc31bc4d4084ff5e8909599201/FLAG17f291449 [2020-11-30 00:55:35,061 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2b7786c7-1892-46e7-b47b-2e72bf963a1f/bin/uautomizer/data/984338d48/adcba6bc31bc4d4084ff5e8909599201 [2020-11-30 00:55:35,063 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:55:35,065 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:55:35,069 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:55:35,070 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:55:35,073 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:55:35,075 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:55:35" (1/1) ... [2020-11-30 00:55:35,078 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19575297 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:55:35, skipping insertion in model container [2020-11-30 00:55:35,078 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:55:35" (1/1) ... [2020-11-30 00:55:35,086 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:55:35,173 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:55:35,810 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:55:35,820 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:55:36,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:55:36,097 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:55:36,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:55:36 WrapperNode [2020-11-30 00:55:36,102 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:55:36,109 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:55:36,109 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:55:36,109 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:55:36,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:55:36" (1/1) ... [2020-11-30 00:55:36,171 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:55:36" (1/1) ... [2020-11-30 00:55:36,318 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:55:36,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:55:36,320 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:55:36,320 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:55:36,329 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:55:36" (1/1) ... [2020-11-30 00:55:36,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:55:36" (1/1) ... [2020-11-30 00:55:36,344 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:55:36" (1/1) ... [2020-11-30 00:55:36,344 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:55:36" (1/1) ... [2020-11-30 00:55:36,409 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:55:36" (1/1) ... [2020-11-30 00:55:36,433 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:55:36" (1/1) ... [2020-11-30 00:55:36,456 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:55:36" (1/1) ... [2020-11-30 00:55:36,476 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:55:36,478 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:55:36,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:55:36,479 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:55:36,480 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:55:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b7786c7-1892-46e7-b47b-2e72bf963a1f/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:55:36,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:55:36,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:55:36,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:55:36,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:55:38,864 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:55:38,864 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-30 00:55:38,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:55:38 BoogieIcfgContainer [2020-11-30 00:55:38,869 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:55:38,873 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:55:38,874 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:55:38,878 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:55:38,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:55:35" (1/3) ... [2020-11-30 00:55:38,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@573ab9df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:55:38, skipping insertion in model container [2020-11-30 00:55:38,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:55:36" (2/3) ... [2020-11-30 00:55:38,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@573ab9df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:55:38, skipping insertion in model container [2020-11-30 00:55:38,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:55:38" (3/3) ... [2020-11-30 00:55:38,882 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label07.c [2020-11-30 00:55:38,897 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:55:38,903 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 00:55:38,915 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 00:55:38,959 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:55:38,959 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:55:38,959 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:55:38,960 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:55:38,960 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:55:38,960 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:55:38,960 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:55:38,961 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:55:38,990 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states. [2020-11-30 00:55:38,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-30 00:55:38,996 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:55:38,997 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] [2020-11-30 00:55:38,998 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:55:39,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:55:39,004 INFO L82 PathProgramCache]: Analyzing trace with hash -573341295, now seen corresponding path program 1 times [2020-11-30 00:55:39,013 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:55:39,014 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345663810] [2020-11-30 00:55:39,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:55:39,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:55:39,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:55:39,260 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345663810] [2020-11-30 00:55:39,261 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:55:39,262 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:55:39,263 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761382866] [2020-11-30 00:55:39,268 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:55:39,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:55:39,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:55:39,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:55:39,288 INFO L87 Difference]: Start difference. First operand 284 states. Second operand 3 states. [2020-11-30 00:55:41,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:55:41,031 INFO L93 Difference]: Finished difference Result 770 states and 1361 transitions. [2020-11-30 00:55:41,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:55:41,033 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2020-11-30 00:55:41,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:55:41,056 INFO L225 Difference]: With dead ends: 770 [2020-11-30 00:55:41,057 INFO L226 Difference]: Without dead ends: 422 [2020-11-30 00:55:41,072 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:55:41,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2020-11-30 00:55:41,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 412. [2020-11-30 00:55:41,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2020-11-30 00:55:41,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 626 transitions. [2020-11-30 00:55:41,150 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 626 transitions. Word has length 23 [2020-11-30 00:55:41,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:55:41,150 INFO L481 AbstractCegarLoop]: Abstraction has 412 states and 626 transitions. [2020-11-30 00:55:41,150 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:55:41,151 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 626 transitions. [2020-11-30 00:55:41,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-11-30 00:55:41,158 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:55:41,159 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-30 00:55:41,159 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:55:41,159 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:55:41,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:55:41,162 INFO L82 PathProgramCache]: Analyzing trace with hash -574822863, now seen corresponding path program 1 times [2020-11-30 00:55:41,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:55:41,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364711411] [2020-11-30 00:55:41,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:55:41,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:55:41,371 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:55:41,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364711411] [2020-11-30 00:55:41,372 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:55:41,373 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:55:41,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968730679] [2020-11-30 00:55:41,374 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:55:41,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:55:41,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:55:41,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:55:41,376 INFO L87 Difference]: Start difference. First operand 412 states and 626 transitions. Second operand 3 states. [2020-11-30 00:55:42,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:55:42,690 INFO L93 Difference]: Finished difference Result 1199 states and 1829 transitions. [2020-11-30 00:55:42,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:55:42,693 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 89 [2020-11-30 00:55:42,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:55:42,700 INFO L225 Difference]: With dead ends: 1199 [2020-11-30 00:55:42,700 INFO L226 Difference]: Without dead ends: 789 [2020-11-30 00:55:42,702 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:55:42,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2020-11-30 00:55:42,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 789. [2020-11-30 00:55:42,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2020-11-30 00:55:42,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1083 transitions. [2020-11-30 00:55:42,760 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1083 transitions. Word has length 89 [2020-11-30 00:55:42,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:55:42,760 INFO L481 AbstractCegarLoop]: Abstraction has 789 states and 1083 transitions. [2020-11-30 00:55:42,761 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:55:42,761 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1083 transitions. [2020-11-30 00:55:42,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-11-30 00:55:42,763 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:55:42,763 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-30 00:55:42,763 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 00:55:42,764 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:55:42,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:55:42,764 INFO L82 PathProgramCache]: Analyzing trace with hash 420624187, now seen corresponding path program 1 times [2020-11-30 00:55:42,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:55:42,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768370977] [2020-11-30 00:55:42,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:55:42,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:55:42,968 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:55:42,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768370977] [2020-11-30 00:55:42,969 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:55:42,969 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:55:42,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142615740] [2020-11-30 00:55:42,970 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:55:42,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:55:42,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:55:42,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:55:42,972 INFO L87 Difference]: Start difference. First operand 789 states and 1083 transitions. Second operand 3 states. [2020-11-30 00:55:44,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:55:44,295 INFO L93 Difference]: Finished difference Result 2314 states and 3181 transitions. [2020-11-30 00:55:44,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:55:44,297 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2020-11-30 00:55:44,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:55:44,308 INFO L225 Difference]: With dead ends: 2314 [2020-11-30 00:55:44,308 INFO L226 Difference]: Without dead ends: 1527 [2020-11-30 00:55:44,310 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:55:44,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1527 states. [2020-11-30 00:55:44,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1527 to 1526. [2020-11-30 00:55:44,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1526 states. [2020-11-30 00:55:44,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 1856 transitions. [2020-11-30 00:55:44,377 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 1856 transitions. Word has length 93 [2020-11-30 00:55:44,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:55:44,378 INFO L481 AbstractCegarLoop]: Abstraction has 1526 states and 1856 transitions. [2020-11-30 00:55:44,379 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:55:44,380 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1856 transitions. [2020-11-30 00:55:44,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-11-30 00:55:44,391 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:55:44,391 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:55:44,392 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 00:55:44,392 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:55:44,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:55:44,395 INFO L82 PathProgramCache]: Analyzing trace with hash 2045592861, now seen corresponding path program 1 times [2020-11-30 00:55:44,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:55:44,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980752512] [2020-11-30 00:55:44,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:55:44,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:55:44,667 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:55:44,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980752512] [2020-11-30 00:55:44,668 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:55:44,668 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:55:44,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758730303] [2020-11-30 00:55:44,670 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:55:44,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:55:44,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:55:44,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:55:44,673 INFO L87 Difference]: Start difference. First operand 1526 states and 1856 transitions. Second operand 3 states. [2020-11-30 00:55:46,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:55:46,102 INFO L93 Difference]: Finished difference Result 3257 states and 4123 transitions. [2020-11-30 00:55:46,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:55:46,103 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2020-11-30 00:55:46,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:55:46,125 INFO L225 Difference]: With dead ends: 3257 [2020-11-30 00:55:46,125 INFO L226 Difference]: Without dead ends: 1917 [2020-11-30 00:55:46,128 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:55:46,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1917 states. [2020-11-30 00:55:46,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1917 to 1914. [2020-11-30 00:55:46,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1914 states. [2020-11-30 00:55:46,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1914 states to 1914 states and 2384 transitions. [2020-11-30 00:55:46,189 INFO L78 Accepts]: Start accepts. Automaton has 1914 states and 2384 transitions. Word has length 150 [2020-11-30 00:55:46,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:55:46,190 INFO L481 AbstractCegarLoop]: Abstraction has 1914 states and 2384 transitions. [2020-11-30 00:55:46,191 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:55:46,191 INFO L276 IsEmpty]: Start isEmpty. Operand 1914 states and 2384 transitions. [2020-11-30 00:55:46,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-11-30 00:55:46,205 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:55:46,206 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:55:46,206 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 00:55:46,206 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:55:46,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:55:46,207 INFO L82 PathProgramCache]: Analyzing trace with hash -1543297700, now seen corresponding path program 1 times [2020-11-30 00:55:46,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:55:46,208 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119098547] [2020-11-30 00:55:46,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:55:46,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:55:46,438 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-11-30 00:55:46,439 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119098547] [2020-11-30 00:55:46,439 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:55:46,439 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:55:46,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286132457] [2020-11-30 00:55:46,440 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:55:46,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:55:46,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:55:46,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:55:46,442 INFO L87 Difference]: Start difference. First operand 1914 states and 2384 transitions. Second operand 3 states. [2020-11-30 00:55:48,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:55:48,069 INFO L93 Difference]: Finished difference Result 4389 states and 5590 transitions. [2020-11-30 00:55:48,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:55:48,070 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 205 [2020-11-30 00:55:48,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:55:48,088 INFO L225 Difference]: With dead ends: 4389 [2020-11-30 00:55:48,088 INFO L226 Difference]: Without dead ends: 2661 [2020-11-30 00:55:48,091 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:55:48,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2661 states. [2020-11-30 00:55:48,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2661 to 2467. [2020-11-30 00:55:48,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2467 states. [2020-11-30 00:55:48,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2467 states to 2467 states and 3045 transitions. [2020-11-30 00:55:48,159 INFO L78 Accepts]: Start accepts. Automaton has 2467 states and 3045 transitions. Word has length 205 [2020-11-30 00:55:48,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:55:48,160 INFO L481 AbstractCegarLoop]: Abstraction has 2467 states and 3045 transitions. [2020-11-30 00:55:48,160 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:55:48,160 INFO L276 IsEmpty]: Start isEmpty. Operand 2467 states and 3045 transitions. [2020-11-30 00:55:48,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-11-30 00:55:48,164 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:55:48,165 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:55:48,165 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 00:55:48,166 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:55:48,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:55:48,166 INFO L82 PathProgramCache]: Analyzing trace with hash -1457233877, now seen corresponding path program 1 times [2020-11-30 00:55:48,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:55:48,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978625536] [2020-11-30 00:55:48,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:55:48,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:55:48,405 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-11-30 00:55:48,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978625536] [2020-11-30 00:55:48,408 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:55:48,408 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:55:48,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964831620] [2020-11-30 00:55:48,409 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:55:48,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:55:48,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:55:48,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:55:48,412 INFO L87 Difference]: Start difference. First operand 2467 states and 3045 transitions. Second operand 3 states. [2020-11-30 00:55:50,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:55:50,013 INFO L93 Difference]: Finished difference Result 5862 states and 7297 transitions. [2020-11-30 00:55:50,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:55:50,014 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 211 [2020-11-30 00:55:50,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:55:50,041 INFO L225 Difference]: With dead ends: 5862 [2020-11-30 00:55:50,042 INFO L226 Difference]: Without dead ends: 3397 [2020-11-30 00:55:50,047 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:55:50,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3397 states. [2020-11-30 00:55:50,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3397 to 3388. [2020-11-30 00:55:50,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3388 states. [2020-11-30 00:55:50,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3388 states to 3388 states and 4091 transitions. [2020-11-30 00:55:50,144 INFO L78 Accepts]: Start accepts. Automaton has 3388 states and 4091 transitions. Word has length 211 [2020-11-30 00:55:50,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:55:50,150 INFO L481 AbstractCegarLoop]: Abstraction has 3388 states and 4091 transitions. [2020-11-30 00:55:50,150 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:55:50,151 INFO L276 IsEmpty]: Start isEmpty. Operand 3388 states and 4091 transitions. [2020-11-30 00:55:50,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2020-11-30 00:55:50,159 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:55:50,160 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-11-30 00:55:50,161 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-30 00:55:50,161 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:55:50,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:55:50,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1546292491, now seen corresponding path program 1 times [2020-11-30 00:55:50,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:55:50,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811713634] [2020-11-30 00:55:50,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:55:50,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:55:50,455 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 254 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-11-30 00:55:50,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811713634] [2020-11-30 00:55:50,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:55:50,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:55:50,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117622273] [2020-11-30 00:55:50,457 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:55:50,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:55:50,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:55:50,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:55:50,459 INFO L87 Difference]: Start difference. First operand 3388 states and 4091 transitions. Second operand 3 states. [2020-11-30 00:55:54,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:55:54,197 INFO L93 Difference]: Finished difference Result 6788 states and 8205 transitions. [2020-11-30 00:55:54,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:55:54,198 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 282 [2020-11-30 00:55:54,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:55:54,219 INFO L225 Difference]: With dead ends: 6788 [2020-11-30 00:55:54,219 INFO L226 Difference]: Without dead ends: 3402 [2020-11-30 00:55:54,223 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:55:54,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3402 states. [2020-11-30 00:55:54,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3402 to 3020. [2020-11-30 00:55:54,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3020 states. [2020-11-30 00:55:54,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3020 states to 3020 states and 3567 transitions. [2020-11-30 00:55:54,298 INFO L78 Accepts]: Start accepts. Automaton has 3020 states and 3567 transitions. Word has length 282 [2020-11-30 00:55:54,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:55:54,298 INFO L481 AbstractCegarLoop]: Abstraction has 3020 states and 3567 transitions. [2020-11-30 00:55:54,299 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:55:54,299 INFO L276 IsEmpty]: Start isEmpty. Operand 3020 states and 3567 transitions. [2020-11-30 00:55:54,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2020-11-30 00:55:54,305 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:55:54,305 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:55:54,306 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-30 00:55:54,306 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:55:54,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:55:54,306 INFO L82 PathProgramCache]: Analyzing trace with hash -583673781, now seen corresponding path program 1 times [2020-11-30 00:55:54,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:55:54,307 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202397980] [2020-11-30 00:55:54,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:55:54,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:55:54,525 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 209 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-11-30 00:55:54,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202397980] [2020-11-30 00:55:54,526 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:55:54,526 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:55:54,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185109619] [2020-11-30 00:55:54,527 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:55:54,527 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:55:54,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:55:54,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:55:54,528 INFO L87 Difference]: Start difference. First operand 3020 states and 3567 transitions. Second operand 3 states. [2020-11-30 00:55:55,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:55:55,987 INFO L93 Difference]: Finished difference Result 6015 states and 7099 transitions. [2020-11-30 00:55:55,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:55:55,993 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 283 [2020-11-30 00:55:55,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:55:56,012 INFO L225 Difference]: With dead ends: 6015 [2020-11-30 00:55:56,012 INFO L226 Difference]: Without dead ends: 2997 [2020-11-30 00:55:56,016 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:55:56,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2997 states. [2020-11-30 00:55:56,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2997 to 2995. [2020-11-30 00:55:56,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2995 states. [2020-11-30 00:55:56,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2995 states to 2995 states and 3392 transitions. [2020-11-30 00:55:56,098 INFO L78 Accepts]: Start accepts. Automaton has 2995 states and 3392 transitions. Word has length 283 [2020-11-30 00:55:56,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:55:56,099 INFO L481 AbstractCegarLoop]: Abstraction has 2995 states and 3392 transitions. [2020-11-30 00:55:56,100 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:55:56,100 INFO L276 IsEmpty]: Start isEmpty. Operand 2995 states and 3392 transitions. [2020-11-30 00:55:56,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2020-11-30 00:55:56,108 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:55:56,108 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:55:56,108 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-30 00:55:56,109 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:55:56,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:55:56,109 INFO L82 PathProgramCache]: Analyzing trace with hash -985607440, now seen corresponding path program 1 times [2020-11-30 00:55:56,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:55:56,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10747059] [2020-11-30 00:55:56,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:55:56,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:55:56,305 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2020-11-30 00:55:56,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10747059] [2020-11-30 00:55:56,306 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:55:56,306 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:55:56,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617302249] [2020-11-30 00:55:56,307 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:55:56,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:55:56,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:55:56,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:55:56,308 INFO L87 Difference]: Start difference. First operand 2995 states and 3392 transitions. Second operand 3 states. [2020-11-30 00:55:57,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:55:57,506 INFO L93 Difference]: Finished difference Result 6907 states and 7810 transitions. [2020-11-30 00:55:57,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:55:57,507 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 288 [2020-11-30 00:55:57,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:55:57,529 INFO L225 Difference]: With dead ends: 6907 [2020-11-30 00:55:57,529 INFO L226 Difference]: Without dead ends: 3914 [2020-11-30 00:55:57,534 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:55:57,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3914 states. [2020-11-30 00:55:57,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3914 to 2069. [2020-11-30 00:55:57,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2069 states. [2020-11-30 00:55:57,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2069 states to 2069 states and 2374 transitions. [2020-11-30 00:55:57,602 INFO L78 Accepts]: Start accepts. Automaton has 2069 states and 2374 transitions. Word has length 288 [2020-11-30 00:55:57,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:55:57,603 INFO L481 AbstractCegarLoop]: Abstraction has 2069 states and 2374 transitions. [2020-11-30 00:55:57,603 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:55:57,604 INFO L276 IsEmpty]: Start isEmpty. Operand 2069 states and 2374 transitions. [2020-11-30 00:55:57,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2020-11-30 00:55:57,612 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:55:57,613 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:55:57,613 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-30 00:55:57,613 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:55:57,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:55:57,614 INFO L82 PathProgramCache]: Analyzing trace with hash -1126688505, now seen corresponding path program 1 times [2020-11-30 00:55:57,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:55:57,615 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931196778] [2020-11-30 00:55:57,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:55:57,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:55:57,950 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:55:57,950 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931196778] [2020-11-30 00:55:57,950 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:55:57,950 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:55:57,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872062155] [2020-11-30 00:55:57,951 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:55:57,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:55:57,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:55:57,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:55:57,952 INFO L87 Difference]: Start difference. First operand 2069 states and 2374 transitions. Second operand 4 states. [2020-11-30 00:56:00,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:56:00,551 INFO L93 Difference]: Finished difference Result 6353 states and 7292 transitions. [2020-11-30 00:56:00,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:56:00,553 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 328 [2020-11-30 00:56:00,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:56:00,579 INFO L225 Difference]: With dead ends: 6353 [2020-11-30 00:56:00,579 INFO L226 Difference]: Without dead ends: 4286 [2020-11-30 00:56:00,583 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:56:00,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4286 states. [2020-11-30 00:56:00,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4286 to 3732. [2020-11-30 00:56:00,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3732 states. [2020-11-30 00:56:00,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3732 states to 3732 states and 4219 transitions. [2020-11-30 00:56:00,678 INFO L78 Accepts]: Start accepts. Automaton has 3732 states and 4219 transitions. Word has length 328 [2020-11-30 00:56:00,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:56:00,679 INFO L481 AbstractCegarLoop]: Abstraction has 3732 states and 4219 transitions. [2020-11-30 00:56:00,679 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:56:00,679 INFO L276 IsEmpty]: Start isEmpty. Operand 3732 states and 4219 transitions. [2020-11-30 00:56:00,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2020-11-30 00:56:00,694 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:56:00,694 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:56:00,695 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-30 00:56:00,695 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:56:00,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:56:00,696 INFO L82 PathProgramCache]: Analyzing trace with hash -865050531, now seen corresponding path program 1 times [2020-11-30 00:56:00,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:56:00,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569473960] [2020-11-30 00:56:00,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:56:00,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:56:01,253 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 278 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-11-30 00:56:01,253 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569473960] [2020-11-30 00:56:01,253 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:56:01,253 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:56:01,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557076452] [2020-11-30 00:56:01,274 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:56:01,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:56:01,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:56:01,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:56:01,276 INFO L87 Difference]: Start difference. First operand 3732 states and 4219 transitions. Second operand 4 states. [2020-11-30 00:56:03,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:56:03,862 INFO L93 Difference]: Finished difference Result 8752 states and 9872 transitions. [2020-11-30 00:56:03,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:56:03,863 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 402 [2020-11-30 00:56:03,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:56:03,891 INFO L225 Difference]: With dead ends: 8752 [2020-11-30 00:56:03,891 INFO L226 Difference]: Without dead ends: 5022 [2020-11-30 00:56:03,897 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:56:03,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5022 states. [2020-11-30 00:56:03,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5022 to 3732. [2020-11-30 00:56:03,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3732 states. [2020-11-30 00:56:03,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3732 states to 3732 states and 4219 transitions. [2020-11-30 00:56:03,998 INFO L78 Accepts]: Start accepts. Automaton has 3732 states and 4219 transitions. Word has length 402 [2020-11-30 00:56:03,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:56:04,000 INFO L481 AbstractCegarLoop]: Abstraction has 3732 states and 4219 transitions. [2020-11-30 00:56:04,000 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:56:04,000 INFO L276 IsEmpty]: Start isEmpty. Operand 3732 states and 4219 transitions. [2020-11-30 00:56:04,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 654 [2020-11-30 00:56:04,064 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:56:04,065 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-11-30 00:56:04,065 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-30 00:56:04,065 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:56:04,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:56:04,066 INFO L82 PathProgramCache]: Analyzing trace with hash -704261823, now seen corresponding path program 1 times [2020-11-30 00:56:04,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:56:04,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548067062] [2020-11-30 00:56:04,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:56:04,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:56:04,763 INFO L134 CoverageAnalysis]: Checked inductivity of 1153 backedges. 814 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2020-11-30 00:56:04,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548067062] [2020-11-30 00:56:04,764 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:56:04,764 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:56:04,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608554871] [2020-11-30 00:56:04,765 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:56:04,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:56:04,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:56:04,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:56:04,766 INFO L87 Difference]: Start difference. First operand 3732 states and 4219 transitions. Second operand 4 states. [2020-11-30 00:56:06,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:56:06,744 INFO L93 Difference]: Finished difference Result 11899 states and 13474 transitions. [2020-11-30 00:56:06,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:56:06,745 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 653 [2020-11-30 00:56:06,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:56:06,773 INFO L225 Difference]: With dead ends: 11899 [2020-11-30 00:56:06,773 INFO L226 Difference]: Without dead ends: 8169 [2020-11-30 00:56:06,778 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:56:06,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8169 states. [2020-11-30 00:56:06,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8169 to 7799. [2020-11-30 00:56:06,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7799 states. [2020-11-30 00:56:06,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7799 states to 7799 states and 8729 transitions. [2020-11-30 00:56:06,922 INFO L78 Accepts]: Start accepts. Automaton has 7799 states and 8729 transitions. Word has length 653 [2020-11-30 00:56:06,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:56:06,923 INFO L481 AbstractCegarLoop]: Abstraction has 7799 states and 8729 transitions. [2020-11-30 00:56:06,923 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:56:06,923 INFO L276 IsEmpty]: Start isEmpty. Operand 7799 states and 8729 transitions. [2020-11-30 00:56:06,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 722 [2020-11-30 00:56:06,946 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:56:06,947 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-11-30 00:56:06,947 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-30 00:56:06,948 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:56:06,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:56:06,948 INFO L82 PathProgramCache]: Analyzing trace with hash -500979575, now seen corresponding path program 1 times [2020-11-30 00:56:06,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:56:06,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823486606] [2020-11-30 00:56:06,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:56:07,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:56:07,654 INFO L134 CoverageAnalysis]: Checked inductivity of 1529 backedges. 916 proven. 0 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2020-11-30 00:56:07,654 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823486606] [2020-11-30 00:56:07,655 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:56:07,655 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:56:07,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588569800] [2020-11-30 00:56:07,656 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:56:07,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:56:07,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:56:07,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:56:07,658 INFO L87 Difference]: Start difference. First operand 7799 states and 8729 transitions. Second operand 3 states. [2020-11-30 00:56:09,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:56:09,539 INFO L93 Difference]: Finished difference Result 17436 states and 19554 transitions. [2020-11-30 00:56:09,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:56:09,540 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 721 [2020-11-30 00:56:09,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:56:09,557 INFO L225 Difference]: With dead ends: 17436 [2020-11-30 00:56:09,557 INFO L226 Difference]: Without dead ends: 8717 [2020-11-30 00:56:09,568 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:56:09,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8717 states. [2020-11-30 00:56:09,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8717 to 8717. [2020-11-30 00:56:09,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8717 states. [2020-11-30 00:56:09,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8717 states to 8717 states and 9593 transitions. [2020-11-30 00:56:09,736 INFO L78 Accepts]: Start accepts. Automaton has 8717 states and 9593 transitions. Word has length 721 [2020-11-30 00:56:09,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:56:09,737 INFO L481 AbstractCegarLoop]: Abstraction has 8717 states and 9593 transitions. [2020-11-30 00:56:09,737 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:56:09,737 INFO L276 IsEmpty]: Start isEmpty. Operand 8717 states and 9593 transitions. [2020-11-30 00:56:09,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 822 [2020-11-30 00:56:09,764 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:56:09,765 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2020-11-30 00:56:09,765 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-30 00:56:09,765 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:56:09,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:56:09,767 INFO L82 PathProgramCache]: Analyzing trace with hash -880967164, now seen corresponding path program 1 times [2020-11-30 00:56:09,767 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:56:09,770 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397435452] [2020-11-30 00:56:09,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:56:09,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:56:10,780 INFO L134 CoverageAnalysis]: Checked inductivity of 1907 backedges. 1385 proven. 0 refuted. 0 times theorem prover too weak. 522 trivial. 0 not checked. [2020-11-30 00:56:10,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397435452] [2020-11-30 00:56:10,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:56:10,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:56:10,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486711864] [2020-11-30 00:56:10,783 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:56:10,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:56:10,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:56:10,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:56:10,785 INFO L87 Difference]: Start difference. First operand 8717 states and 9593 transitions. Second operand 3 states. [2020-11-30 00:56:12,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:56:12,462 INFO L93 Difference]: Finished difference Result 18165 states and 19959 transitions. [2020-11-30 00:56:12,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:56:12,463 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 821 [2020-11-30 00:56:12,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:56:12,464 INFO L225 Difference]: With dead ends: 18165 [2020-11-30 00:56:12,465 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 00:56:12,480 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:56:12,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 00:56:12,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 00:56:12,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 00:56:12,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 00:56:12,481 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 821 [2020-11-30 00:56:12,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:56:12,482 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:56:12,482 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:56:12,482 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:56:12,482 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:56:12,483 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-30 00:56:12,485 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 00:56:12,700 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 118 [2020-11-30 00:56:12,853 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 118 [2020-11-30 00:56:13,975 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 110 DAG size of output: 49 [2020-11-30 00:56:14,906 WARN L193 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 49 [2020-11-30 00:56:14,909 INFO L274 CegarLoopResult]: For program point L498(lines 498 509) no Hoare annotation was computed. [2020-11-30 00:56:14,909 INFO L274 CegarLoopResult]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,909 INFO L274 CegarLoopResult]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2020-11-30 00:56:14,909 INFO L274 CegarLoopResult]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,909 INFO L274 CegarLoopResult]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,909 INFO L274 CegarLoopResult]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,909 INFO L274 CegarLoopResult]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,909 INFO L274 CegarLoopResult]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,910 INFO L274 CegarLoopResult]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,910 INFO L274 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-11-30 00:56:14,910 INFO L274 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-11-30 00:56:14,910 INFO L274 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-11-30 00:56:14,910 INFO L274 CegarLoopResult]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,910 INFO L274 CegarLoopResult]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,912 INFO L274 CegarLoopResult]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,912 INFO L274 CegarLoopResult]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,912 INFO L274 CegarLoopResult]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,913 INFO L274 CegarLoopResult]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,913 INFO L274 CegarLoopResult]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,913 INFO L274 CegarLoopResult]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,913 INFO L274 CegarLoopResult]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,913 INFO L274 CegarLoopResult]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,913 INFO L274 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-11-30 00:56:14,913 INFO L274 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-11-30 00:56:14,913 INFO L274 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-11-30 00:56:14,913 INFO L274 CegarLoopResult]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,913 INFO L274 CegarLoopResult]: For program point L768(lines 768 778) no Hoare annotation was computed. [2020-11-30 00:56:14,913 INFO L274 CegarLoopResult]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2020-11-30 00:56:14,913 INFO L274 CegarLoopResult]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,913 INFO L274 CegarLoopResult]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,913 INFO L274 CegarLoopResult]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,913 INFO L274 CegarLoopResult]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,913 INFO L274 CegarLoopResult]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,913 INFO L274 CegarLoopResult]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,913 INFO L274 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-11-30 00:56:14,913 INFO L274 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-11-30 00:56:14,913 INFO L274 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-11-30 00:56:14,914 INFO L274 CegarLoopResult]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,914 INFO L274 CegarLoopResult]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,914 INFO L274 CegarLoopResult]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,914 INFO L270 CegarLoopResult]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse3 (<= ~a23~0 138)) (.cse7 (<= (+ ~a29~0 22) 0)) (.cse1 (= ~a4~0 0)) (.cse8 (= ~a25~0 13)) (.cse6 (+ ~a23~0 43)) (.cse4 (<= ~a25~0 10)) (.cse10 (<= ~a29~0 599999)) (.cse0 (= ~a25~0 11)) (.cse9 (= ~a25~0 12)) (.cse2 (<= ~a29~0 599998)) (.cse5 (= ~a4~0 1))) (or (and .cse0 .cse1 (<= ~a23~0 312) .cse2) (and .cse3 .cse4 .cse5 (< 0 .cse6)) (and .cse4 .cse3 .cse1 .cse2) (and .cse4 .cse1 .cse7) (and .cse3 .cse1 .cse8 .cse7) (and .cse8 .cse2 .cse5) (and .cse1 .cse9 .cse2) (and .cse1 .cse8 .cse2 (<= .cse6 0)) (and .cse10 .cse4 .cse5) (and (<= ~a29~0 130) .cse9 .cse5) (and .cse10 .cse0 .cse5) (and (<= 307 ~a23~0) .cse9 .cse2 .cse5))) [2020-11-30 00:56:14,914 INFO L274 CegarLoopResult]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,914 INFO L274 CegarLoopResult]: For program point L705(lines 705 715) no Hoare annotation was computed. [2020-11-30 00:56:14,915 INFO L274 CegarLoopResult]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2020-11-30 00:56:14,915 INFO L274 CegarLoopResult]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,915 INFO L274 CegarLoopResult]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,915 INFO L274 CegarLoopResult]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,915 INFO L274 CegarLoopResult]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,915 INFO L274 CegarLoopResult]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,915 INFO L274 CegarLoopResult]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,915 INFO L274 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-11-30 00:56:14,915 INFO L274 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-11-30 00:56:14,915 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-11-30 00:56:14,915 INFO L277 CegarLoopResult]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2020-11-30 00:56:14,915 INFO L274 CegarLoopResult]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,915 INFO L274 CegarLoopResult]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,916 INFO L274 CegarLoopResult]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,916 INFO L274 CegarLoopResult]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,916 INFO L274 CegarLoopResult]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,916 INFO L274 CegarLoopResult]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,916 INFO L274 CegarLoopResult]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,916 INFO L274 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-11-30 00:56:14,916 INFO L274 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-11-30 00:56:14,916 INFO L274 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-11-30 00:56:14,916 INFO L274 CegarLoopResult]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,916 INFO L274 CegarLoopResult]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,916 INFO L274 CegarLoopResult]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,916 INFO L274 CegarLoopResult]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,916 INFO L274 CegarLoopResult]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,916 INFO L274 CegarLoopResult]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,917 INFO L274 CegarLoopResult]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,917 INFO L274 CegarLoopResult]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,917 INFO L274 CegarLoopResult]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,917 INFO L274 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-11-30 00:56:14,917 INFO L274 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-11-30 00:56:14,917 INFO L274 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-11-30 00:56:14,917 INFO L274 CegarLoopResult]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,917 INFO L270 CegarLoopResult]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse3 (<= ~a23~0 138)) (.cse7 (<= (+ ~a29~0 22) 0)) (.cse1 (= ~a4~0 0)) (.cse8 (= ~a25~0 13)) (.cse6 (+ ~a23~0 43)) (.cse4 (<= ~a25~0 10)) (.cse10 (<= ~a29~0 599999)) (.cse0 (= ~a25~0 11)) (.cse9 (= ~a25~0 12)) (.cse2 (<= ~a29~0 599998)) (.cse5 (= ~a4~0 1))) (or (and .cse0 .cse1 (<= ~a23~0 312) .cse2) (and .cse3 .cse4 .cse5 (< 0 .cse6)) (and .cse4 .cse3 .cse1 .cse2) (and .cse4 .cse1 .cse7) (and .cse3 .cse1 .cse8 .cse7) (and .cse8 .cse2 .cse5) (and .cse1 .cse9 .cse2) (and .cse1 .cse8 .cse2 (<= .cse6 0)) (and .cse10 .cse4 .cse5) (and (<= ~a29~0 130) .cse9 .cse5) (and .cse10 .cse0 .cse5) (and (<= 307 ~a23~0) .cse9 .cse2 .cse5))) [2020-11-30 00:56:14,917 INFO L274 CegarLoopResult]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,918 INFO L274 CegarLoopResult]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,918 INFO L274 CegarLoopResult]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,918 INFO L274 CegarLoopResult]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,918 INFO L274 CegarLoopResult]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,918 INFO L274 CegarLoopResult]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,918 INFO L274 CegarLoopResult]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,918 INFO L274 CegarLoopResult]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,918 INFO L274 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-11-30 00:56:14,918 INFO L274 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-11-30 00:56:14,918 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-11-30 00:56:14,918 INFO L274 CegarLoopResult]: For program point L980(lines 980 990) no Hoare annotation was computed. [2020-11-30 00:56:14,918 INFO L274 CegarLoopResult]: For program point L914(lines 914 924) no Hoare annotation was computed. [2020-11-30 00:56:14,918 INFO L274 CegarLoopResult]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2020-11-30 00:56:14,918 INFO L274 CegarLoopResult]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2020-11-30 00:56:14,918 INFO L274 CegarLoopResult]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,919 INFO L274 CegarLoopResult]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,919 INFO L274 CegarLoopResult]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,919 INFO L274 CegarLoopResult]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,919 INFO L274 CegarLoopResult]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,919 INFO L274 CegarLoopResult]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,919 INFO L274 CegarLoopResult]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,919 INFO L274 CegarLoopResult]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,919 INFO L274 CegarLoopResult]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,919 INFO L274 CegarLoopResult]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,919 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 00:56:14,919 INFO L274 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-11-30 00:56:14,919 INFO L274 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-11-30 00:56:14,919 INFO L274 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-11-30 00:56:14,919 INFO L274 CegarLoopResult]: For program point L1049(line 1049) no Hoare annotation was computed. [2020-11-30 00:56:14,920 INFO L274 CegarLoopResult]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,920 INFO L274 CegarLoopResult]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,920 INFO L274 CegarLoopResult]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,920 INFO L274 CegarLoopResult]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,920 INFO L274 CegarLoopResult]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,920 INFO L274 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-11-30 00:56:14,920 INFO L274 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-11-30 00:56:14,920 INFO L274 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-11-30 00:56:14,920 INFO L274 CegarLoopResult]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,920 INFO L274 CegarLoopResult]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,920 INFO L274 CegarLoopResult]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,920 INFO L274 CegarLoopResult]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,920 INFO L274 CegarLoopResult]: For program point L525(lines 525 535) no Hoare annotation was computed. [2020-11-30 00:56:14,920 INFO L274 CegarLoopResult]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2020-11-30 00:56:14,920 INFO L274 CegarLoopResult]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,921 INFO L274 CegarLoopResult]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,921 INFO L274 CegarLoopResult]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,921 INFO L274 CegarLoopResult]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,923 INFO L274 CegarLoopResult]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,923 INFO L274 CegarLoopResult]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,924 INFO L274 CegarLoopResult]: For program point L658(lines 658 667) no Hoare annotation was computed. [2020-11-30 00:56:14,924 INFO L274 CegarLoopResult]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2020-11-30 00:56:14,924 INFO L274 CegarLoopResult]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,924 INFO L274 CegarLoopResult]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,924 INFO L274 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-11-30 00:56:14,924 INFO L274 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-11-30 00:56:14,924 INFO L274 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-11-30 00:56:14,925 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 00:56:14,925 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-30 00:56:14,925 INFO L274 CegarLoopResult]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,925 INFO L274 CegarLoopResult]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,925 INFO L274 CegarLoopResult]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,925 INFO L274 CegarLoopResult]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,926 INFO L274 CegarLoopResult]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,926 INFO L274 CegarLoopResult]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,926 INFO L274 CegarLoopResult]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,926 INFO L274 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-11-30 00:56:14,926 INFO L274 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-11-30 00:56:14,926 INFO L274 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-11-30 00:56:14,926 INFO L274 CegarLoopResult]: For program point L926(lines 926 936) no Hoare annotation was computed. [2020-11-30 00:56:14,926 INFO L274 CegarLoopResult]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2020-11-30 00:56:14,927 INFO L274 CegarLoopResult]: For program point L728(lines 728 740) no Hoare annotation was computed. [2020-11-30 00:56:14,927 INFO L274 CegarLoopResult]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2020-11-30 00:56:14,927 INFO L274 CegarLoopResult]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,927 INFO L274 CegarLoopResult]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,927 INFO L274 CegarLoopResult]: For program point L597(lines 597 607) no Hoare annotation was computed. [2020-11-30 00:56:14,927 INFO L274 CegarLoopResult]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2020-11-30 00:56:14,927 INFO L274 CegarLoopResult]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,928 INFO L274 CegarLoopResult]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,928 INFO L274 CegarLoopResult]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,928 INFO L274 CegarLoopResult]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,928 INFO L274 CegarLoopResult]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,928 INFO L274 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-11-30 00:56:14,928 INFO L274 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-11-30 00:56:14,928 INFO L274 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-11-30 00:56:14,928 INFO L274 CegarLoopResult]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,929 INFO L274 CegarLoopResult]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,929 INFO L274 CegarLoopResult]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,929 INFO L274 CegarLoopResult]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,929 INFO L274 CegarLoopResult]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,929 INFO L274 CegarLoopResult]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,929 INFO L274 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2020-11-30 00:56:14,929 INFO L274 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-11-30 00:56:14,930 INFO L274 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-11-30 00:56:14,930 INFO L274 CegarLoopResult]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,930 INFO L274 CegarLoopResult]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,930 INFO L274 CegarLoopResult]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,930 INFO L274 CegarLoopResult]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,930 INFO L274 CegarLoopResult]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,930 INFO L274 CegarLoopResult]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,930 INFO L274 CegarLoopResult]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,931 INFO L274 CegarLoopResult]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,931 INFO L274 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2020-11-30 00:56:14,931 INFO L274 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-11-30 00:56:14,931 INFO L274 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-11-30 00:56:14,931 INFO L274 CegarLoopResult]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,931 INFO L274 CegarLoopResult]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,931 INFO L274 CegarLoopResult]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,931 INFO L274 CegarLoopResult]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,932 INFO L274 CegarLoopResult]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,932 INFO L274 CegarLoopResult]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,932 INFO L274 CegarLoopResult]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,932 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-30 00:56:14,932 INFO L274 CegarLoopResult]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,932 INFO L274 CegarLoopResult]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,932 INFO L274 CegarLoopResult]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,932 INFO L274 CegarLoopResult]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,933 INFO L274 CegarLoopResult]: For program point L409(lines 409 420) no Hoare annotation was computed. [2020-11-30 00:56:14,933 INFO L274 CegarLoopResult]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2020-11-30 00:56:14,933 INFO L274 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2020-11-30 00:56:14,933 INFO L274 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-11-30 00:56:14,933 INFO L274 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-11-30 00:56:14,933 INFO L274 CegarLoopResult]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,933 INFO L274 CegarLoopResult]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,933 INFO L274 CegarLoopResult]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,934 INFO L274 CegarLoopResult]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,934 INFO L274 CegarLoopResult]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,934 INFO L274 CegarLoopResult]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,934 INFO L274 CegarLoopResult]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,934 INFO L274 CegarLoopResult]: For program point L214(line 214) no Hoare annotation was computed. [2020-11-30 00:56:14,934 INFO L274 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-11-30 00:56:14,934 INFO L274 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-11-30 00:56:14,934 INFO L274 CegarLoopResult]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,935 INFO L274 CegarLoopResult]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,935 INFO L274 CegarLoopResult]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,935 INFO L274 CegarLoopResult]: For program point L876(lines 876 885) no Hoare annotation was computed. [2020-11-30 00:56:14,935 INFO L274 CegarLoopResult]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2020-11-30 00:56:14,935 INFO L274 CegarLoopResult]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,935 INFO L274 CegarLoopResult]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,935 INFO L274 CegarLoopResult]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,936 INFO L274 CegarLoopResult]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,936 INFO L274 CegarLoopResult]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,936 INFO L274 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-11-30 00:56:14,936 INFO L274 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-11-30 00:56:14,936 INFO L274 CegarLoopResult]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,936 INFO L274 CegarLoopResult]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,936 INFO L274 CegarLoopResult]: For program point L614(lines 614 624) no Hoare annotation was computed. [2020-11-30 00:56:14,936 INFO L274 CegarLoopResult]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2020-11-30 00:56:14,937 INFO L274 CegarLoopResult]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,937 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 00:56:14,937 INFO L274 CegarLoopResult]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,937 INFO L274 CegarLoopResult]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,937 INFO L274 CegarLoopResult]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,937 INFO L274 CegarLoopResult]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,937 INFO L274 CegarLoopResult]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,937 INFO L274 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-11-30 00:56:14,938 INFO L274 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-11-30 00:56:14,938 INFO L274 CegarLoopResult]: For program point L815(lines 815 825) no Hoare annotation was computed. [2020-11-30 00:56:14,938 INFO L274 CegarLoopResult]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2020-11-30 00:56:14,938 INFO L274 CegarLoopResult]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,938 INFO L274 CegarLoopResult]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,938 INFO L274 CegarLoopResult]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,938 INFO L274 CegarLoopResult]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,938 INFO L274 CegarLoopResult]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,939 INFO L274 CegarLoopResult]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,939 INFO L274 CegarLoopResult]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,939 INFO L274 CegarLoopResult]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,939 INFO L274 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-11-30 00:56:14,939 INFO L274 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-11-30 00:56:14,939 INFO L274 CegarLoopResult]: For program point L950(lines 950 962) no Hoare annotation was computed. [2020-11-30 00:56:14,939 INFO L274 CegarLoopResult]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2020-11-30 00:56:14,940 INFO L274 CegarLoopResult]: For program point L488(lines 488 496) no Hoare annotation was computed. [2020-11-30 00:56:14,940 INFO L274 CegarLoopResult]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2020-11-30 00:56:14,940 INFO L274 CegarLoopResult]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,940 INFO L274 CegarLoopResult]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,940 INFO L274 CegarLoopResult]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,940 INFO L274 CegarLoopResult]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,940 INFO L274 CegarLoopResult]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,941 INFO L274 CegarLoopResult]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,941 INFO L274 CegarLoopResult]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,941 INFO L274 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-11-30 00:56:14,941 INFO L274 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-11-30 00:56:14,941 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 00:56:14,941 INFO L274 CegarLoopResult]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,941 INFO L274 CegarLoopResult]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,941 INFO L274 CegarLoopResult]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,942 INFO L274 CegarLoopResult]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,942 INFO L274 CegarLoopResult]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,942 INFO L274 CegarLoopResult]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,942 INFO L274 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-11-30 00:56:14,942 INFO L274 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-11-30 00:56:14,942 INFO L274 CegarLoopResult]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,942 INFO L274 CegarLoopResult]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,942 INFO L274 CegarLoopResult]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,943 INFO L274 CegarLoopResult]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,943 INFO L274 CegarLoopResult]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,943 INFO L274 CegarLoopResult]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,943 INFO L274 CegarLoopResult]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,943 INFO L274 CegarLoopResult]: For program point L33(lines 33 35) no Hoare annotation was computed. [2020-11-30 00:56:14,943 INFO L274 CegarLoopResult]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:56:14,943 INFO L274 CegarLoopResult]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,943 INFO L274 CegarLoopResult]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,944 INFO L274 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-11-30 00:56:14,944 INFO L274 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-11-30 00:56:14,944 INFO L274 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-11-30 00:56:14,944 INFO L274 CegarLoopResult]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2020-11-30 00:56:14,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:56:14 BoogieIcfgContainer [2020-11-30 00:56:14,972 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:56:14,973 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:56:14,973 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:56:14,973 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:56:14,974 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:55:38" (3/4) ... [2020-11-30 00:56:14,977 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:56:15,012 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-30 00:56:15,014 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-30 00:56:15,017 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:56:15,019 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:56:15,250 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2b7786c7-1892-46e7-b47b-2e72bf963a1f/bin/uautomizer/witness.graphml [2020-11-30 00:56:15,251 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:56:15,252 INFO L168 Benchmark]: Toolchain (without parser) took 40187.06 ms. Allocated memory was 92.3 MB in the beginning and 645.9 MB in the end (delta: 553.6 MB). Free memory was 61.7 MB in the beginning and 377.0 MB in the end (delta: -315.3 MB). Peak memory consumption was 238.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:56:15,252 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 92.3 MB. Free memory is still 49.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:56:15,253 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1039.02 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 61.5 MB in the beginning and 82.8 MB in the end (delta: -21.4 MB). Peak memory consumption was 27.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:56:15,253 INFO L168 Benchmark]: Boogie Procedure Inliner took 209.27 ms. Allocated memory is still 111.1 MB. Free memory was 82.8 MB in the beginning and 65.5 MB in the end (delta: 17.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-30 00:56:15,254 INFO L168 Benchmark]: Boogie Preprocessor took 157.69 ms. Allocated memory is still 111.1 MB. Free memory was 65.5 MB in the beginning and 55.6 MB in the end (delta: 9.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:56:15,254 INFO L168 Benchmark]: RCFGBuilder took 2391.27 ms. Allocated memory was 111.1 MB in the beginning and 155.2 MB in the end (delta: 44.0 MB). Free memory was 55.0 MB in the beginning and 100.3 MB in the end (delta: -45.2 MB). Peak memory consumption was 37.9 MB. Max. memory is 16.1 GB. [2020-11-30 00:56:15,255 INFO L168 Benchmark]: TraceAbstraction took 36099.35 ms. Allocated memory was 155.2 MB in the beginning and 645.9 MB in the end (delta: 490.7 MB). Free memory was 100.3 MB in the beginning and 403.2 MB in the end (delta: -303.0 MB). Peak memory consumption was 385.9 MB. Max. memory is 16.1 GB. [2020-11-30 00:56:15,255 INFO L168 Benchmark]: Witness Printer took 277.73 ms. Allocated memory is still 645.9 MB. Free memory was 403.2 MB in the beginning and 377.0 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:56:15,257 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 92.3 MB. Free memory is still 49.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1039.02 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 61.5 MB in the beginning and 82.8 MB in the end (delta: -21.4 MB). Peak memory consumption was 27.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 209.27 ms. Allocated memory is still 111.1 MB. Free memory was 82.8 MB in the beginning and 65.5 MB in the end (delta: 17.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 157.69 ms. Allocated memory is still 111.1 MB. Free memory was 65.5 MB in the beginning and 55.6 MB in the end (delta: 9.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2391.27 ms. Allocated memory was 111.1 MB in the beginning and 155.2 MB in the end (delta: 44.0 MB). Free memory was 55.0 MB in the beginning and 100.3 MB in the end (delta: -45.2 MB). Peak memory consumption was 37.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 36099.35 ms. Allocated memory was 155.2 MB in the beginning and 645.9 MB in the end (delta: 490.7 MB). Free memory was 100.3 MB in the beginning and 403.2 MB in the end (delta: -303.0 MB). Peak memory consumption was 385.9 MB. Max. memory is 16.1 GB. * Witness Printer took 277.73 ms. Allocated memory is still 645.9 MB. Free memory was 403.2 MB in the beginning and 377.0 MB in the end (delta: 26.2 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) || (((a23 <= 138 && a25 <= 10) && a4 == 1) && 0 < a23 + 43)) || (((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)) || (((307 <= a23 && a25 == 12) && a29 <= 599998) && a4 == 1) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((((((((((a25 == 11 && a4 == 0) && a23 <= 312) && a29 <= 599998) || (((a23 <= 138 && a25 <= 10) && a4 == 1) && 0 < a23 + 43)) || (((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)) || (((307 <= a23 && a25 == 12) && a29 <= 599998) && a4 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 284 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 33.5s, OverallIterations: 14, TraceHistogramMax: 7, AutomataDifference: 26.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2799 SDtfs, 2614 SDslu, 365 SDs, 0 SdLazy, 9133 SolverSat, 1735 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 19.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s 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: 1.1s AutomataMinimizationTime, 14 MinimizatonAttempts, 4660 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 117 NumberOfFragments, 295 HoareAnnotationTreeSize, 3 FomulaSimplifications, 4492 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 3 FomulaSimplificationsInter, 3306 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 4549 NumberOfCodeBlocks, 4549 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 4535 ConstructedInterpolants, 0 QuantifiedInterpolants, 3688919 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 6275/6275 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...