./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label20.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_11043fc0-48d1-48fa-aa5c-1edb4e82f49b/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_11043fc0-48d1-48fa-aa5c-1edb4e82f49b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_11043fc0-48d1-48fa-aa5c-1edb4e82f49b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_11043fc0-48d1-48fa-aa5c-1edb4e82f49b/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label20.c -s /tmp/vcloud-vcloud-master/worker/run_dir_11043fc0-48d1-48fa-aa5c-1edb4e82f49b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_11043fc0-48d1-48fa-aa5c-1edb4e82f49b/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 9fa4a47a1f85495fa289be7c0278375d614571c4 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 19:59:21,797 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:59:21,801 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:59:21,913 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:59:21,914 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:59:21,916 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:59:21,918 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:59:21,927 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:59:21,929 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:59:21,935 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:59:21,936 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:59:21,938 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:59:21,939 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:59:21,940 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:59:21,942 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:59:21,943 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:59:21,944 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:59:21,952 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:59:21,957 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:59:21,969 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:59:21,973 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:59:21,976 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:59:21,979 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:59:21,980 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:59:21,988 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:59:21,991 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:59:21,992 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:59:21,995 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:59:21,995 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:59:21,997 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:59:21,997 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:59:21,999 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:59:22,001 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:59:22,002 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:59:22,004 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:59:22,004 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:59:22,005 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:59:22,005 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:59:22,006 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:59:22,007 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:59:22,007 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:59:22,011 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_11043fc0-48d1-48fa-aa5c-1edb4e82f49b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 19:59:22,056 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:59:22,057 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:59:22,060 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:59:22,060 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:59:22,061 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:59:22,061 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:59:22,061 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:59:22,062 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:59:22,062 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:59:22,062 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:59:22,064 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:59:22,064 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:59:22,064 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:59:22,064 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:59:22,065 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:59:22,065 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:59:22,065 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:59:22,065 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:59:22,066 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:59:22,066 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:59:22,066 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 19:59:22,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:59:22,067 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:59:22,067 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:59:22,067 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:59:22,068 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:59:22,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:59:22,068 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:59:22,068 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:59:22,069 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_11043fc0-48d1-48fa-aa5c-1edb4e82f49b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_11043fc0-48d1-48fa-aa5c-1edb4e82f49b/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9fa4a47a1f85495fa289be7c0278375d614571c4 [2020-11-29 19:59:22,395 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:59:22,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:59:22,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:59:22,434 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:59:22,436 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:59:22,437 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_11043fc0-48d1-48fa-aa5c-1edb4e82f49b/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label20.c [2020-11-29 19:59:22,542 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_11043fc0-48d1-48fa-aa5c-1edb4e82f49b/bin/uautomizer/data/42699d386/85ef70edd1c345aaa093f7cfb43e19a8/FLAGcc400aa2a [2020-11-29 19:59:23,359 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:59:23,371 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_11043fc0-48d1-48fa-aa5c-1edb4e82f49b/sv-benchmarks/c/eca-rers2012/Problem14_label20.c [2020-11-29 19:59:23,399 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_11043fc0-48d1-48fa-aa5c-1edb4e82f49b/bin/uautomizer/data/42699d386/85ef70edd1c345aaa093f7cfb43e19a8/FLAGcc400aa2a [2020-11-29 19:59:23,535 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_11043fc0-48d1-48fa-aa5c-1edb4e82f49b/bin/uautomizer/data/42699d386/85ef70edd1c345aaa093f7cfb43e19a8 [2020-11-29 19:59:23,538 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:59:23,540 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:59:23,555 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:59:23,555 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:59:23,559 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:59:23,561 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:59:23" (1/1) ... [2020-11-29 19:59:23,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3abce396 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:59:23, skipping insertion in model container [2020-11-29 19:59:23,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:59:23" (1/1) ... [2020-11-29 19:59:23,573 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:59:23,669 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:59:24,250 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:59:24,266 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:59:24,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:59:24,542 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:59:24,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:59:24 WrapperNode [2020-11-29 19:59:24,544 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:59:24,546 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:59:24,546 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:59:24,546 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:59:24,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:59:24" (1/1) ... [2020-11-29 19:59:24,591 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:59:24" (1/1) ... [2020-11-29 19:59:24,678 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:59:24,681 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:59:24,681 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:59:24,682 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:59:24,691 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:59:24" (1/1) ... [2020-11-29 19:59:24,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:59:24" (1/1) ... [2020-11-29 19:59:24,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:59:24" (1/1) ... [2020-11-29 19:59:24,705 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:59:24" (1/1) ... [2020-11-29 19:59:24,781 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:59:24" (1/1) ... [2020-11-29 19:59:24,795 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:59:24" (1/1) ... [2020-11-29 19:59:24,807 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:59:24" (1/1) ... [2020-11-29 19:59:24,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:59:24,826 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:59:24,826 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:59:24,827 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:59:24,828 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:59:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_11043fc0-48d1-48fa-aa5c-1edb4e82f49b/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:59:24,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:59:24,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:59:24,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:59:24,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:59:26,839 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:59:26,840 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 19:59:26,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:59:26 BoogieIcfgContainer [2020-11-29 19:59:26,844 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:59:26,846 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 19:59:26,847 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 19:59:26,851 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 19:59:26,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:59:23" (1/3) ... [2020-11-29 19:59:26,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a18b548 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:59:26, skipping insertion in model container [2020-11-29 19:59:26,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:59:24" (2/3) ... [2020-11-29 19:59:26,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a18b548 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:59:26, skipping insertion in model container [2020-11-29 19:59:26,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:59:26" (3/3) ... [2020-11-29 19:59:26,855 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label20.c [2020-11-29 19:59:26,869 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 19:59:26,875 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 19:59:26,889 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 19:59:26,963 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 19:59:26,963 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 19:59:26,963 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 19:59:26,964 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:59:26,964 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:59:26,964 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 19:59:26,964 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:59:26,965 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 19:59:26,994 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states. [2020-11-29 19:59:27,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-29 19:59:27,008 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:59:27,009 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:59:27,010 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:59:27,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:59:27,018 INFO L82 PathProgramCache]: Analyzing trace with hash -634083006, now seen corresponding path program 1 times [2020-11-29 19:59:27,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:59:27,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608322016] [2020-11-29 19:59:27,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:59:27,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:59:27,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:59:27,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608322016] [2020-11-29 19:59:27,451 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:59:27,451 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:59:27,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840850642] [2020-11-29 19:59:27,461 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:59:27,462 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:59:27,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:59:27,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:59:27,483 INFO L87 Difference]: Start difference. First operand 246 states. Second operand 3 states. [2020-11-29 19:59:29,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:59:29,114 INFO L93 Difference]: Finished difference Result 670 states and 1201 transitions. [2020-11-29 19:59:29,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:59:29,117 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-11-29 19:59:29,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:59:29,154 INFO L225 Difference]: With dead ends: 670 [2020-11-29 19:59:29,154 INFO L226 Difference]: Without dead ends: 360 [2020-11-29 19:59:29,162 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:59:29,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-11-29 19:59:29,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2020-11-29 19:59:29,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-11-29 19:59:29,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 588 transitions. [2020-11-29 19:59:29,274 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 588 transitions. Word has length 60 [2020-11-29 19:59:29,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:59:29,275 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 588 transitions. [2020-11-29 19:59:29,275 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:59:29,275 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 588 transitions. [2020-11-29 19:59:29,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-11-29 19:59:29,283 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:59:29,284 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:59:29,284 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 19:59:29,284 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:59:29,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:59:29,285 INFO L82 PathProgramCache]: Analyzing trace with hash -1575520966, now seen corresponding path program 1 times [2020-11-29 19:59:29,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:59:29,286 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997991300] [2020-11-29 19:59:29,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:59:29,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:59:29,515 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:59:29,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997991300] [2020-11-29 19:59:29,516 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:59:29,516 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:59:29,516 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415378767] [2020-11-29 19:59:29,518 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:59:29,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:59:29,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:59:29,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:59:29,520 INFO L87 Difference]: Start difference. First operand 360 states and 588 transitions. Second operand 3 states. [2020-11-29 19:59:30,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:59:30,724 INFO L93 Difference]: Finished difference Result 1076 states and 1760 transitions. [2020-11-29 19:59:30,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:59:30,725 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2020-11-29 19:59:30,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:59:30,730 INFO L225 Difference]: With dead ends: 1076 [2020-11-29 19:59:30,730 INFO L226 Difference]: Without dead ends: 718 [2020-11-29 19:59:30,732 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:59:30,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2020-11-29 19:59:30,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 716. [2020-11-29 19:59:30,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2020-11-29 19:59:30,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 1017 transitions. [2020-11-29 19:59:30,804 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 1017 transitions. Word has length 125 [2020-11-29 19:59:30,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:59:30,805 INFO L481 AbstractCegarLoop]: Abstraction has 716 states and 1017 transitions. [2020-11-29 19:59:30,806 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:59:30,806 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 1017 transitions. [2020-11-29 19:59:30,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-11-29 19:59:30,820 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:59:30,820 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:59:30,821 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 19:59:30,821 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:59:30,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:59:30,822 INFO L82 PathProgramCache]: Analyzing trace with hash 1977703889, now seen corresponding path program 1 times [2020-11-29 19:59:30,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:59:30,822 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274610015] [2020-11-29 19:59:30,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:59:30,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:59:30,990 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:59:30,991 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274610015] [2020-11-29 19:59:30,991 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:59:30,991 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:59:30,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567964638] [2020-11-29 19:59:30,994 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:59:30,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:59:31,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:59:31,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:59:31,004 INFO L87 Difference]: Start difference. First operand 716 states and 1017 transitions. Second operand 3 states. [2020-11-29 19:59:32,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:59:32,060 INFO L93 Difference]: Finished difference Result 1608 states and 2324 transitions. [2020-11-29 19:59:32,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:59:32,061 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2020-11-29 19:59:32,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:59:32,068 INFO L225 Difference]: With dead ends: 1608 [2020-11-29 19:59:32,068 INFO L226 Difference]: Without dead ends: 894 [2020-11-29 19:59:32,070 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:59:32,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2020-11-29 19:59:32,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 894. [2020-11-29 19:59:32,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-11-29 19:59:32,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1189 transitions. [2020-11-29 19:59:32,103 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1189 transitions. Word has length 126 [2020-11-29 19:59:32,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:59:32,104 INFO L481 AbstractCegarLoop]: Abstraction has 894 states and 1189 transitions. [2020-11-29 19:59:32,104 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:59:32,104 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1189 transitions. [2020-11-29 19:59:32,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-11-29 19:59:32,108 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:59:32,109 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-29 19:59:32,109 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 19:59:32,109 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:59:32,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:59:32,110 INFO L82 PathProgramCache]: Analyzing trace with hash -1046363984, now seen corresponding path program 1 times [2020-11-29 19:59:32,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:59:32,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094422856] [2020-11-29 19:59:32,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:59:32,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:59:32,333 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:59:32,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094422856] [2020-11-29 19:59:32,334 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:59:32,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:59:32,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847167496] [2020-11-29 19:59:32,335 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:59:32,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:59:32,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:59:32,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:59:32,337 INFO L87 Difference]: Start difference. First operand 894 states and 1189 transitions. Second operand 4 states. [2020-11-29 19:59:33,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:59:33,887 INFO L93 Difference]: Finished difference Result 2144 states and 2782 transitions. [2020-11-29 19:59:33,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 19:59:33,888 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 129 [2020-11-29 19:59:33,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:59:33,897 INFO L225 Difference]: With dead ends: 2144 [2020-11-29 19:59:33,897 INFO L226 Difference]: Without dead ends: 1252 [2020-11-29 19:59:33,899 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:59:33,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states. [2020-11-29 19:59:33,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 1250. [2020-11-29 19:59:33,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1250 states. [2020-11-29 19:59:33,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1570 transitions. [2020-11-29 19:59:33,941 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1570 transitions. Word has length 129 [2020-11-29 19:59:33,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:59:33,942 INFO L481 AbstractCegarLoop]: Abstraction has 1250 states and 1570 transitions. [2020-11-29 19:59:33,942 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:59:33,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1570 transitions. [2020-11-29 19:59:33,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-11-29 19:59:33,946 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:59:33,946 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-29 19:59:33,947 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 19:59:33,947 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:59:33,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:59:33,948 INFO L82 PathProgramCache]: Analyzing trace with hash -1047648434, now seen corresponding path program 1 times [2020-11-29 19:59:33,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:59:33,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321948647] [2020-11-29 19:59:33,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:59:34,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:59:34,269 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:59:34,270 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321948647] [2020-11-29 19:59:34,270 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:59:34,271 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:59:34,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201140330] [2020-11-29 19:59:34,271 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:59:34,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:59:34,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:59:34,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:59:34,273 INFO L87 Difference]: Start difference. First operand 1250 states and 1570 transitions. Second operand 4 states. [2020-11-29 19:59:35,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:59:35,633 INFO L93 Difference]: Finished difference Result 2885 states and 3573 transitions. [2020-11-29 19:59:35,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 19:59:35,634 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 140 [2020-11-29 19:59:35,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:59:35,645 INFO L225 Difference]: With dead ends: 2885 [2020-11-29 19:59:35,645 INFO L226 Difference]: Without dead ends: 1608 [2020-11-29 19:59:35,647 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:59:35,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1608 states. [2020-11-29 19:59:35,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 1606. [2020-11-29 19:59:35,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1606 states. [2020-11-29 19:59:35,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 1816 transitions. [2020-11-29 19:59:35,697 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 1816 transitions. Word has length 140 [2020-11-29 19:59:35,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:59:35,697 INFO L481 AbstractCegarLoop]: Abstraction has 1606 states and 1816 transitions. [2020-11-29 19:59:35,697 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:59:35,697 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1816 transitions. [2020-11-29 19:59:35,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-11-29 19:59:35,701 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:59:35,702 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:59:35,702 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 19:59:35,702 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:59:35,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:59:35,703 INFO L82 PathProgramCache]: Analyzing trace with hash -1753739620, now seen corresponding path program 1 times [2020-11-29 19:59:35,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:59:35,703 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315754438] [2020-11-29 19:59:35,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:59:35,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:59:35,946 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:59:35,946 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315754438] [2020-11-29 19:59:35,946 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:59:35,947 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:59:35,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082968331] [2020-11-29 19:59:35,948 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:59:35,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:59:35,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:59:35,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:59:35,949 INFO L87 Difference]: Start difference. First operand 1606 states and 1816 transitions. Second operand 3 states. [2020-11-29 19:59:36,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:59:36,877 INFO L93 Difference]: Finished difference Result 3922 states and 4494 transitions. [2020-11-29 19:59:36,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:59:36,878 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 234 [2020-11-29 19:59:36,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:59:36,892 INFO L225 Difference]: With dead ends: 3922 [2020-11-29 19:59:36,892 INFO L226 Difference]: Without dead ends: 2318 [2020-11-29 19:59:36,894 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:59:36,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2318 states. [2020-11-29 19:59:36,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2318 to 2318. [2020-11-29 19:59:36,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2318 states. [2020-11-29 19:59:36,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 2579 transitions. [2020-11-29 19:59:36,961 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 2579 transitions. Word has length 234 [2020-11-29 19:59:36,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:59:36,962 INFO L481 AbstractCegarLoop]: Abstraction has 2318 states and 2579 transitions. [2020-11-29 19:59:36,962 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:59:36,962 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2579 transitions. [2020-11-29 19:59:36,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2020-11-29 19:59:36,969 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:59:36,969 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:59:36,969 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 19:59:36,970 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:59:36,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:59:36,970 INFO L82 PathProgramCache]: Analyzing trace with hash 86100119, now seen corresponding path program 1 times [2020-11-29 19:59:36,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:59:36,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53659429] [2020-11-29 19:59:36,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:59:37,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:59:37,426 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2020-11-29 19:59:37,427 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53659429] [2020-11-29 19:59:37,427 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:59:37,427 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:59:37,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830163865] [2020-11-29 19:59:37,428 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:59:37,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:59:37,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:59:37,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:59:37,430 INFO L87 Difference]: Start difference. First operand 2318 states and 2579 transitions. Second operand 4 states. [2020-11-29 19:59:38,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:59:38,343 INFO L93 Difference]: Finished difference Result 4692 states and 5238 transitions. [2020-11-29 19:59:38,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 19:59:38,344 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 351 [2020-11-29 19:59:38,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:59:38,359 INFO L225 Difference]: With dead ends: 4692 [2020-11-29 19:59:38,359 INFO L226 Difference]: Without dead ends: 2496 [2020-11-29 19:59:38,362 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:59:38,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2496 states. [2020-11-29 19:59:38,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2496 to 2318. [2020-11-29 19:59:38,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2318 states. [2020-11-29 19:59:38,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 2488 transitions. [2020-11-29 19:59:38,428 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 2488 transitions. Word has length 351 [2020-11-29 19:59:38,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:59:38,429 INFO L481 AbstractCegarLoop]: Abstraction has 2318 states and 2488 transitions. [2020-11-29 19:59:38,429 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:59:38,430 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2488 transitions. [2020-11-29 19:59:38,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2020-11-29 19:59:38,439 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:59:38,439 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2020-11-29 19:59:38,439 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 19:59:38,439 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:59:38,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:59:38,440 INFO L82 PathProgramCache]: Analyzing trace with hash -1832877700, now seen corresponding path program 1 times [2020-11-29 19:59:38,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:59:38,441 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621017116] [2020-11-29 19:59:38,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:59:38,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:59:38,906 INFO L134 CoverageAnalysis]: Checked inductivity of 751 backedges. 437 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-11-29 19:59:38,906 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621017116] [2020-11-29 19:59:38,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:59:38,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:59:38,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312021789] [2020-11-29 19:59:38,907 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:59:38,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:59:38,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:59:38,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:59:38,909 INFO L87 Difference]: Start difference. First operand 2318 states and 2488 transitions. Second operand 3 states. [2020-11-29 19:59:39,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:59:39,890 INFO L93 Difference]: Finished difference Result 4812 states and 5232 transitions. [2020-11-29 19:59:39,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:59:39,892 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 446 [2020-11-29 19:59:39,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:59:39,909 INFO L225 Difference]: With dead ends: 4812 [2020-11-29 19:59:39,910 INFO L226 Difference]: Without dead ends: 2674 [2020-11-29 19:59:39,913 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:59:39,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2020-11-29 19:59:39,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2140. [2020-11-29 19:59:39,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2020-11-29 19:59:39,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2296 transitions. [2020-11-29 19:59:39,981 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2296 transitions. Word has length 446 [2020-11-29 19:59:39,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:59:39,982 INFO L481 AbstractCegarLoop]: Abstraction has 2140 states and 2296 transitions. [2020-11-29 19:59:39,982 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:59:39,983 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2296 transitions. [2020-11-29 19:59:39,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2020-11-29 19:59:39,994 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:59:39,995 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:59:39,995 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 19:59:39,995 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:59:39,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:59:39,996 INFO L82 PathProgramCache]: Analyzing trace with hash 1552930233, now seen corresponding path program 1 times [2020-11-29 19:59:39,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:59:39,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962045966] [2020-11-29 19:59:39,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:59:40,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:59:40,426 INFO L134 CoverageAnalysis]: Checked inductivity of 751 backedges. 437 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-11-29 19:59:40,426 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962045966] [2020-11-29 19:59:40,426 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:59:40,426 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:59:40,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086146871] [2020-11-29 19:59:40,427 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:59:40,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:59:40,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:59:40,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:59:40,429 INFO L87 Difference]: Start difference. First operand 2140 states and 2296 transitions. Second operand 3 states. [2020-11-29 19:59:41,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:59:41,182 INFO L93 Difference]: Finished difference Result 4634 states and 5051 transitions. [2020-11-29 19:59:41,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:59:41,183 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 453 [2020-11-29 19:59:41,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:59:41,197 INFO L225 Difference]: With dead ends: 4634 [2020-11-29 19:59:41,197 INFO L226 Difference]: Without dead ends: 2674 [2020-11-29 19:59:41,200 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:59:41,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2020-11-29 19:59:41,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2496. [2020-11-29 19:59:41,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2496 states. [2020-11-29 19:59:41,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 2665 transitions. [2020-11-29 19:59:41,263 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 2665 transitions. Word has length 453 [2020-11-29 19:59:41,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:59:41,264 INFO L481 AbstractCegarLoop]: Abstraction has 2496 states and 2665 transitions. [2020-11-29 19:59:41,265 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:59:41,265 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 2665 transitions. [2020-11-29 19:59:41,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 609 [2020-11-29 19:59:41,282 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:59:41,282 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 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] [2020-11-29 19:59:41,283 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 19:59:41,283 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:59:41,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:59:41,283 INFO L82 PathProgramCache]: Analyzing trace with hash -992972656, now seen corresponding path program 1 times [2020-11-29 19:59:41,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:59:41,284 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289234290] [2020-11-29 19:59:41,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:59:41,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:59:41,814 INFO L134 CoverageAnalysis]: Checked inductivity of 1201 backedges. 564 proven. 0 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2020-11-29 19:59:41,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289234290] [2020-11-29 19:59:41,814 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:59:41,815 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:59:41,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136492170] [2020-11-29 19:59:41,815 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:59:41,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:59:41,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:59:41,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:59:41,817 INFO L87 Difference]: Start difference. First operand 2496 states and 2665 transitions. Second operand 3 states. [2020-11-29 19:59:42,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:59:42,710 INFO L93 Difference]: Finished difference Result 5524 states and 5979 transitions. [2020-11-29 19:59:42,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:59:42,713 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 608 [2020-11-29 19:59:42,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:59:42,729 INFO L225 Difference]: With dead ends: 5524 [2020-11-29 19:59:42,729 INFO L226 Difference]: Without dead ends: 3208 [2020-11-29 19:59:42,733 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:59:42,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2020-11-29 19:59:42,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 3030. [2020-11-29 19:59:42,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3030 states. [2020-11-29 19:59:42,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 3030 states and 3231 transitions. [2020-11-29 19:59:42,800 INFO L78 Accepts]: Start accepts. Automaton has 3030 states and 3231 transitions. Word has length 608 [2020-11-29 19:59:42,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:59:42,802 INFO L481 AbstractCegarLoop]: Abstraction has 3030 states and 3231 transitions. [2020-11-29 19:59:42,802 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:59:42,802 INFO L276 IsEmpty]: Start isEmpty. Operand 3030 states and 3231 transitions. [2020-11-29 19:59:42,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 627 [2020-11-29 19:59:42,809 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:59:42,809 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 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] [2020-11-29 19:59:42,810 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-29 19:59:42,810 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:59:42,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:59:42,811 INFO L82 PathProgramCache]: Analyzing trace with hash -1850079459, now seen corresponding path program 1 times [2020-11-29 19:59:42,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:59:42,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998062330] [2020-11-29 19:59:42,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:59:42,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:59:43,481 INFO L134 CoverageAnalysis]: Checked inductivity of 1201 backedges. 829 proven. 0 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2020-11-29 19:59:43,482 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998062330] [2020-11-29 19:59:43,482 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:59:43,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:59:43,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83382782] [2020-11-29 19:59:43,483 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:59:43,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:59:43,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:59:43,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:59:43,484 INFO L87 Difference]: Start difference. First operand 3030 states and 3231 transitions. Second operand 3 states. [2020-11-29 19:59:44,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:59:44,430 INFO L93 Difference]: Finished difference Result 6592 states and 7103 transitions. [2020-11-29 19:59:44,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:59:44,436 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 626 [2020-11-29 19:59:44,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:59:44,457 INFO L225 Difference]: With dead ends: 6592 [2020-11-29 19:59:44,457 INFO L226 Difference]: Without dead ends: 3742 [2020-11-29 19:59:44,462 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:59:44,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2020-11-29 19:59:44,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3386. [2020-11-29 19:59:44,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2020-11-29 19:59:44,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3623 transitions. [2020-11-29 19:59:44,547 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3623 transitions. Word has length 626 [2020-11-29 19:59:44,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:59:44,549 INFO L481 AbstractCegarLoop]: Abstraction has 3386 states and 3623 transitions. [2020-11-29 19:59:44,549 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:59:44,549 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3623 transitions. [2020-11-29 19:59:44,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 650 [2020-11-29 19:59:44,558 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:59:44,559 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 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] [2020-11-29 19:59:44,559 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-29 19:59:44,560 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:59:44,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:59:44,561 INFO L82 PathProgramCache]: Analyzing trace with hash -1127177277, now seen corresponding path program 1 times [2020-11-29 19:59:44,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:59:44,561 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101653881] [2020-11-29 19:59:44,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:59:44,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:59:45,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1356 backedges. 932 proven. 110 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-11-29 19:59:45,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101653881] [2020-11-29 19:59:45,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1255471610] [2020-11-29 19:59:45,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_11043fc0-48d1-48fa-aa5c-1edb4e82f49b/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:59:45,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:59:45,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 830 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:59:45,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:59:46,237 INFO L134 CoverageAnalysis]: Checked inductivity of 1356 backedges. 289 proven. 0 refuted. 0 times theorem prover too weak. 1067 trivial. 0 not checked. [2020-11-29 19:59:46,237 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:59:46,238 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-11-29 19:59:46,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619537367] [2020-11-29 19:59:46,240 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:59:46,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:59:46,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:59:46,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:59:46,241 INFO L87 Difference]: Start difference. First operand 3386 states and 3623 transitions. Second operand 3 states. [2020-11-29 19:59:47,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:59:47,387 INFO L93 Difference]: Finished difference Result 7660 states and 8185 transitions. [2020-11-29 19:59:47,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:59:47,388 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 649 [2020-11-29 19:59:47,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:59:47,413 INFO L225 Difference]: With dead ends: 7660 [2020-11-29 19:59:47,414 INFO L226 Difference]: Without dead ends: 3564 [2020-11-29 19:59:47,420 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 652 GetRequests, 649 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:59:47,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3564 states. [2020-11-29 19:59:47,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3564 to 3386. [2020-11-29 19:59:47,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2020-11-29 19:59:47,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3601 transitions. [2020-11-29 19:59:47,536 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3601 transitions. Word has length 649 [2020-11-29 19:59:47,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:59:47,538 INFO L481 AbstractCegarLoop]: Abstraction has 3386 states and 3601 transitions. [2020-11-29 19:59:47,538 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:59:47,538 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3601 transitions. [2020-11-29 19:59:47,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 797 [2020-11-29 19:59:47,554 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:59:47,555 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:59:47,781 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-11-29 19:59:47,781 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:59:47,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:59:47,782 INFO L82 PathProgramCache]: Analyzing trace with hash 337798766, now seen corresponding path program 1 times [2020-11-29 19:59:47,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:59:47,782 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513088320] [2020-11-29 19:59:47,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:59:47,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:59:48,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1871 backedges. 1344 proven. 155 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2020-11-29 19:59:48,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513088320] [2020-11-29 19:59:48,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [123177472] [2020-11-29 19:59:48,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_11043fc0-48d1-48fa-aa5c-1edb4e82f49b/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:59:49,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:59:49,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 1002 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:59:49,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:59:49,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1871 backedges. 347 proven. 0 refuted. 0 times theorem prover too weak. 1524 trivial. 0 not checked. [2020-11-29 19:59:49,627 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:59:49,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-11-29 19:59:49,628 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549900546] [2020-11-29 19:59:49,632 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:59:49,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:59:49,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:59:49,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:59:49,633 INFO L87 Difference]: Start difference. First operand 3386 states and 3601 transitions. Second operand 3 states. [2020-11-29 19:59:50,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:59:50,607 INFO L93 Difference]: Finished difference Result 4278 states and 4539 transitions. [2020-11-29 19:59:50,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:59:50,607 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 796 [2020-11-29 19:59:50,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:59:50,637 INFO L225 Difference]: With dead ends: 4278 [2020-11-29 19:59:50,637 INFO L226 Difference]: Without dead ends: 4276 [2020-11-29 19:59:50,640 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 799 GetRequests, 796 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:59:50,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4276 states. [2020-11-29 19:59:50,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4276 to 3386. [2020-11-29 19:59:50,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2020-11-29 19:59:50,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3599 transitions. [2020-11-29 19:59:50,726 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3599 transitions. Word has length 796 [2020-11-29 19:59:50,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:59:50,728 INFO L481 AbstractCegarLoop]: Abstraction has 3386 states and 3599 transitions. [2020-11-29 19:59:50,729 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:59:50,729 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3599 transitions. [2020-11-29 19:59:50,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 828 [2020-11-29 19:59:50,746 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:59:50,747 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 5, 4, 4, 3, 3, 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] [2020-11-29 19:59:50,973 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-11-29 19:59:50,973 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:59:50,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:59:50,974 INFO L82 PathProgramCache]: Analyzing trace with hash -1612384946, now seen corresponding path program 1 times [2020-11-29 19:59:50,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:59:50,974 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703352205] [2020-11-29 19:59:50,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:59:51,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:59:52,055 INFO L134 CoverageAnalysis]: Checked inductivity of 2425 backedges. 1815 proven. 110 refuted. 0 times theorem prover too weak. 500 trivial. 0 not checked. [2020-11-29 19:59:52,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703352205] [2020-11-29 19:59:52,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1723376292] [2020-11-29 19:59:52,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_11043fc0-48d1-48fa-aa5c-1edb4e82f49b/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:59:52,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:59:52,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 1054 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:59:52,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:59:52,815 INFO L134 CoverageAnalysis]: Checked inductivity of 2425 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 2020 trivial. 0 not checked. [2020-11-29 19:59:52,815 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:59:52,816 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-11-29 19:59:52,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585593713] [2020-11-29 19:59:52,817 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:59:52,817 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:59:52,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:59:52,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:59:52,822 INFO L87 Difference]: Start difference. First operand 3386 states and 3599 transitions. Second operand 3 states. [2020-11-29 19:59:53,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:59:53,643 INFO L93 Difference]: Finished difference Result 7302 states and 7812 transitions. [2020-11-29 19:59:53,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:59:53,643 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 827 [2020-11-29 19:59:53,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:59:53,644 INFO L225 Difference]: With dead ends: 7302 [2020-11-29 19:59:53,645 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 19:59:53,653 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 830 GetRequests, 827 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:59:53,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 19:59:53,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 19:59:53,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 19:59:53,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 19:59:53,654 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 827 [2020-11-29 19:59:53,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:59:53,654 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 19:59:53,655 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:59:53,655 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 19:59:53,655 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 19:59:53,877 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-11-29 19:59:53,879 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 19:59:54,167 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 35 [2020-11-29 19:59:54,325 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 35 [2020-11-29 19:59:54,329 INFO L274 CegarLoopResult]: For program point L762(lines 762 880) no Hoare annotation was computed. [2020-11-29 19:59:54,329 INFO L274 CegarLoopResult]: For program point L895(line 895) no Hoare annotation was computed. [2020-11-29 19:59:54,329 INFO L274 CegarLoopResult]: For program point L829(lines 829 880) no Hoare annotation was computed. [2020-11-29 19:59:54,329 INFO L274 CegarLoopResult]: For program point L631(lines 631 880) no Hoare annotation was computed. [2020-11-29 19:59:54,329 INFO L274 CegarLoopResult]: For program point L565(lines 565 880) no Hoare annotation was computed. [2020-11-29 19:59:54,329 INFO L274 CegarLoopResult]: For program point L169-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,329 INFO L274 CegarLoopResult]: For program point L103-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,330 INFO L274 CegarLoopResult]: For program point L37-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,330 INFO L274 CegarLoopResult]: For program point L698(lines 698 880) no Hoare annotation was computed. [2020-11-29 19:59:54,330 INFO L274 CegarLoopResult]: For program point L500(lines 500 880) no Hoare annotation was computed. [2020-11-29 19:59:54,330 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-11-29 19:59:54,330 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-11-29 19:59:54,330 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-11-29 19:59:54,330 INFO L274 CegarLoopResult]: For program point L369(lines 369 880) no Hoare annotation was computed. [2020-11-29 19:59:54,330 INFO L274 CegarLoopResult]: For program point L303(lines 303 880) no Hoare annotation was computed. [2020-11-29 19:59:54,330 INFO L274 CegarLoopResult]: For program point L436(lines 436 880) no Hoare annotation was computed. [2020-11-29 19:59:54,330 INFO L274 CegarLoopResult]: For program point L172-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,330 INFO L274 CegarLoopResult]: For program point L106-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,330 INFO L274 CegarLoopResult]: For program point L40-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,331 INFO L274 CegarLoopResult]: For program point L239(lines 239 880) no Hoare annotation was computed. [2020-11-29 19:59:54,332 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-11-29 19:59:54,332 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-11-29 19:59:54,332 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-11-29 19:59:54,332 INFO L274 CegarLoopResult]: For program point L768(lines 768 880) no Hoare annotation was computed. [2020-11-29 19:59:54,332 INFO L274 CegarLoopResult]: For program point L636(lines 636 880) no Hoare annotation was computed. [2020-11-29 19:59:54,332 INFO L274 CegarLoopResult]: For program point L835(lines 835 880) no Hoare annotation was computed. [2020-11-29 19:59:54,333 INFO L274 CegarLoopResult]: For program point L571(lines 571 880) no Hoare annotation was computed. [2020-11-29 19:59:54,333 INFO L274 CegarLoopResult]: For program point L505(lines 505 880) no Hoare annotation was computed. [2020-11-29 19:59:54,333 INFO L274 CegarLoopResult]: For program point L175-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,333 INFO L274 CegarLoopResult]: For program point L109-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,333 INFO L274 CegarLoopResult]: For program point L43-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,334 INFO L274 CegarLoopResult]: For program point L704(lines 704 880) no Hoare annotation was computed. [2020-11-29 19:59:54,334 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-11-29 19:59:54,334 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-11-29 19:59:54,334 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-11-29 19:59:54,334 INFO L274 CegarLoopResult]: For program point L309(lines 309 880) no Hoare annotation was computed. [2020-11-29 19:59:54,334 INFO L274 CegarLoopResult]: For program point L442(lines 442 880) no Hoare annotation was computed. [2020-11-29 19:59:54,334 INFO L274 CegarLoopResult]: For program point L376(lines 376 880) no Hoare annotation was computed. [2020-11-29 19:59:54,335 INFO L274 CegarLoopResult]: For program point L178-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,335 INFO L274 CegarLoopResult]: For program point L112-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,335 INFO L274 CegarLoopResult]: For program point L46-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,335 INFO L274 CegarLoopResult]: For program point L245(lines 245 880) no Hoare annotation was computed. [2020-11-29 19:59:54,335 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-11-29 19:59:54,335 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-11-29 19:59:54,336 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-11-29 19:59:54,336 INFO L274 CegarLoopResult]: For program point L774(lines 774 880) no Hoare annotation was computed. [2020-11-29 19:59:54,336 INFO L274 CegarLoopResult]: For program point L642(lines 642 880) no Hoare annotation was computed. [2020-11-29 19:59:54,336 INFO L274 CegarLoopResult]: For program point L510(lines 510 880) no Hoare annotation was computed. [2020-11-29 19:59:54,336 INFO L274 CegarLoopResult]: For program point L841(lines 841 880) no Hoare annotation was computed. [2020-11-29 19:59:54,336 INFO L274 CegarLoopResult]: For program point L181-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,337 INFO L274 CegarLoopResult]: For program point L115-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,337 INFO L274 CegarLoopResult]: For program point L49-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,337 INFO L274 CegarLoopResult]: For program point L710(lines 710 880) no Hoare annotation was computed. [2020-11-29 19:59:54,337 INFO L274 CegarLoopResult]: For program point L578(lines 578 880) no Hoare annotation was computed. [2020-11-29 19:59:54,337 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-11-29 19:59:54,337 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-11-29 19:59:54,337 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-11-29 19:59:54,338 INFO L274 CegarLoopResult]: For program point L315(lines 315 880) no Hoare annotation was computed. [2020-11-29 19:59:54,338 INFO L274 CegarLoopResult]: For program point L448(lines 448 880) no Hoare annotation was computed. [2020-11-29 19:59:54,338 INFO L274 CegarLoopResult]: For program point L382(lines 382 880) no Hoare annotation was computed. [2020-11-29 19:59:54,338 INFO L274 CegarLoopResult]: For program point L184-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,338 INFO L274 CegarLoopResult]: For program point L118-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,338 INFO L274 CegarLoopResult]: For program point L52-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,339 INFO L274 CegarLoopResult]: For program point L251(lines 251 880) no Hoare annotation was computed. [2020-11-29 19:59:54,339 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-11-29 19:59:54,339 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-11-29 19:59:54,339 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-11-29 19:59:54,339 INFO L274 CegarLoopResult]: For program point L648(lines 648 880) no Hoare annotation was computed. [2020-11-29 19:59:54,339 INFO L274 CegarLoopResult]: For program point L516(lines 516 880) no Hoare annotation was computed. [2020-11-29 19:59:54,340 INFO L274 CegarLoopResult]: For program point L847(lines 847 880) no Hoare annotation was computed. [2020-11-29 19:59:54,340 INFO L274 CegarLoopResult]: For program point L781(lines 781 880) no Hoare annotation was computed. [2020-11-29 19:59:54,340 INFO L274 CegarLoopResult]: For program point L583(lines 583 880) no Hoare annotation was computed. [2020-11-29 19:59:54,340 INFO L274 CegarLoopResult]: For program point L187-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,340 INFO L274 CegarLoopResult]: For program point L121-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,340 INFO L274 CegarLoopResult]: For program point L55-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,341 INFO L274 CegarLoopResult]: For program point L716(lines 716 880) no Hoare annotation was computed. [2020-11-29 19:59:54,341 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-11-29 19:59:54,341 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-11-29 19:59:54,341 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-11-29 19:59:54,341 INFO L274 CegarLoopResult]: For program point L321(lines 321 880) no Hoare annotation was computed. [2020-11-29 19:59:54,341 INFO L274 CegarLoopResult]: For program point L454(lines 454 880) no Hoare annotation was computed. [2020-11-29 19:59:54,341 INFO L274 CegarLoopResult]: For program point L388(lines 388 880) no Hoare annotation was computed. [2020-11-29 19:59:54,342 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 19:59:54,342 INFO L274 CegarLoopResult]: For program point L190-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,342 INFO L274 CegarLoopResult]: For program point L124-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,342 INFO L274 CegarLoopResult]: For program point L58-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,342 INFO L274 CegarLoopResult]: For program point L257(lines 257 880) no Hoare annotation was computed. [2020-11-29 19:59:54,342 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-11-29 19:59:54,343 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-11-29 19:59:54,343 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-11-29 19:59:54,343 INFO L274 CegarLoopResult]: For program point L852(lines 852 880) no Hoare annotation was computed. [2020-11-29 19:59:54,343 INFO L274 CegarLoopResult]: For program point L654(lines 654 880) no Hoare annotation was computed. [2020-11-29 19:59:54,343 INFO L274 CegarLoopResult]: For program point L522(lines 522 880) no Hoare annotation was computed. [2020-11-29 19:59:54,343 INFO L274 CegarLoopResult]: For program point L787(lines 787 880) no Hoare annotation was computed. [2020-11-29 19:59:54,344 INFO L274 CegarLoopResult]: For program point L589(lines 589 880) no Hoare annotation was computed. [2020-11-29 19:59:54,344 INFO L274 CegarLoopResult]: For program point L193-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,344 INFO L274 CegarLoopResult]: For program point L127-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,344 INFO L274 CegarLoopResult]: For program point L61-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,344 INFO L274 CegarLoopResult]: For program point L722(lines 722 880) no Hoare annotation was computed. [2020-11-29 19:59:54,344 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-11-29 19:59:54,344 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-11-29 19:59:54,345 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-11-29 19:59:54,345 INFO L274 CegarLoopResult]: For program point L459(lines 459 880) no Hoare annotation was computed. [2020-11-29 19:59:54,345 INFO L274 CegarLoopResult]: For program point L327(lines 327 880) no Hoare annotation was computed. [2020-11-29 19:59:54,345 INFO L274 CegarLoopResult]: For program point L394(lines 394 880) no Hoare annotation was computed. [2020-11-29 19:59:54,345 INFO L274 CegarLoopResult]: For program point L262(lines 262 880) no Hoare annotation was computed. [2020-11-29 19:59:54,345 INFO L274 CegarLoopResult]: For program point L196-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,346 INFO L274 CegarLoopResult]: For program point L130-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,346 INFO L274 CegarLoopResult]: For program point L64-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,346 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-11-29 19:59:54,346 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-11-29 19:59:54,346 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-11-29 19:59:54,346 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 19:59:54,347 INFO L274 CegarLoopResult]: For program point L858(lines 858 880) no Hoare annotation was computed. [2020-11-29 19:59:54,347 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 19:59:54,347 INFO L274 CegarLoopResult]: For program point L660(lines 660 880) no Hoare annotation was computed. [2020-11-29 19:59:54,347 INFO L274 CegarLoopResult]: For program point L528(lines 528 880) no Hoare annotation was computed. [2020-11-29 19:59:54,348 INFO L274 CegarLoopResult]: For program point L793(lines 793 880) no Hoare annotation was computed. [2020-11-29 19:59:54,348 INFO L274 CegarLoopResult]: For program point L595(lines 595 880) no Hoare annotation was computed. [2020-11-29 19:59:54,348 INFO L274 CegarLoopResult]: For program point L199-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,348 INFO L274 CegarLoopResult]: For program point L133-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,348 INFO L274 CegarLoopResult]: For program point L67-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,348 INFO L274 CegarLoopResult]: For program point L728(lines 728 880) no Hoare annotation was computed. [2020-11-29 19:59:54,349 INFO L274 CegarLoopResult]: For program point L464(lines 464 880) no Hoare annotation was computed. [2020-11-29 19:59:54,349 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-11-29 19:59:54,349 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-11-29 19:59:54,349 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-11-29 19:59:54,349 INFO L274 CegarLoopResult]: For program point L333(lines 333 880) no Hoare annotation was computed. [2020-11-29 19:59:54,350 INFO L274 CegarLoopResult]: For program point L400(lines 400 880) no Hoare annotation was computed. [2020-11-29 19:59:54,350 INFO L274 CegarLoopResult]: For program point L268(lines 268 880) no Hoare annotation was computed. [2020-11-29 19:59:54,350 INFO L274 CegarLoopResult]: For program point L202-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,350 INFO L274 CegarLoopResult]: For program point L136-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,350 INFO L274 CegarLoopResult]: For program point L70-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,350 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-11-29 19:59:54,350 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-11-29 19:59:54,351 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-11-29 19:59:54,351 INFO L274 CegarLoopResult]: For program point L864(lines 864 880) no Hoare annotation was computed. [2020-11-29 19:59:54,351 INFO L274 CegarLoopResult]: For program point L666(lines 666 880) no Hoare annotation was computed. [2020-11-29 19:59:54,351 INFO L274 CegarLoopResult]: For program point L534(lines 534 880) no Hoare annotation was computed. [2020-11-29 19:59:54,351 INFO L274 CegarLoopResult]: For program point L799(lines 799 880) no Hoare annotation was computed. [2020-11-29 19:59:54,351 INFO L274 CegarLoopResult]: For program point L601(lines 601 880) no Hoare annotation was computed. [2020-11-29 19:59:54,352 INFO L274 CegarLoopResult]: For program point L205-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,352 INFO L274 CegarLoopResult]: For program point L139-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,352 INFO L274 CegarLoopResult]: For program point L73-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,352 INFO L274 CegarLoopResult]: For program point L734(lines 734 880) no Hoare annotation was computed. [2020-11-29 19:59:54,352 INFO L274 CegarLoopResult]: For program point L470(lines 470 880) no Hoare annotation was computed. [2020-11-29 19:59:54,352 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-11-29 19:59:54,353 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-11-29 19:59:54,353 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-11-29 19:59:54,353 INFO L274 CegarLoopResult]: For program point L339(lines 339 880) no Hoare annotation was computed. [2020-11-29 19:59:54,353 INFO L274 CegarLoopResult]: For program point L406(lines 406 880) no Hoare annotation was computed. [2020-11-29 19:59:54,353 INFO L274 CegarLoopResult]: For program point L274(lines 274 880) no Hoare annotation was computed. [2020-11-29 19:59:54,353 INFO L274 CegarLoopResult]: For program point L208-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,354 INFO L274 CegarLoopResult]: For program point L142-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,354 INFO L274 CegarLoopResult]: For program point L76-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,354 INFO L274 CegarLoopResult]: For program point L869(lines 869 880) no Hoare annotation was computed. [2020-11-29 19:59:54,354 INFO L274 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-11-29 19:59:54,354 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-11-29 19:59:54,354 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-11-29 19:59:54,355 INFO L274 CegarLoopResult]: For program point L672(lines 672 880) no Hoare annotation was computed. [2020-11-29 19:59:54,355 INFO L274 CegarLoopResult]: For program point L540(lines 540 880) no Hoare annotation was computed. [2020-11-29 19:59:54,355 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-29 19:59:54,355 INFO L274 CegarLoopResult]: For program point L805(lines 805 880) no Hoare annotation was computed. [2020-11-29 19:59:54,355 INFO L274 CegarLoopResult]: For program point L607(lines 607 880) no Hoare annotation was computed. [2020-11-29 19:59:54,355 INFO L274 CegarLoopResult]: For program point L211-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,355 INFO L274 CegarLoopResult]: For program point L145-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,356 INFO L274 CegarLoopResult]: For program point L79-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,356 INFO L274 CegarLoopResult]: For program point L740(lines 740 880) no Hoare annotation was computed. [2020-11-29 19:59:54,356 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-11-29 19:59:54,356 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-11-29 19:59:54,356 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-11-29 19:59:54,356 INFO L274 CegarLoopResult]: For program point L477(lines 477 880) no Hoare annotation was computed. [2020-11-29 19:59:54,357 INFO L274 CegarLoopResult]: For program point L345(lines 345 880) no Hoare annotation was computed. [2020-11-29 19:59:54,357 INFO L274 CegarLoopResult]: For program point L279(lines 279 880) no Hoare annotation was computed. [2020-11-29 19:59:54,357 INFO L274 CegarLoopResult]: For program point L412(lines 412 880) no Hoare annotation was computed. [2020-11-29 19:59:54,357 INFO L274 CegarLoopResult]: For program point L148-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,357 INFO L274 CegarLoopResult]: For program point L82-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,357 INFO L274 CegarLoopResult]: For program point L875(lines 875 880) no Hoare annotation was computed. [2020-11-29 19:59:54,358 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-29 19:59:54,358 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-11-29 19:59:54,358 INFO L274 CegarLoopResult]: For program point L678(lines 678 880) no Hoare annotation was computed. [2020-11-29 19:59:54,358 INFO L274 CegarLoopResult]: For program point L546(lines 546 880) no Hoare annotation was computed. [2020-11-29 19:59:54,358 INFO L274 CegarLoopResult]: For program point L811(lines 811 880) no Hoare annotation was computed. [2020-11-29 19:59:54,358 INFO L274 CegarLoopResult]: For program point L745(lines 745 880) no Hoare annotation was computed. [2020-11-29 19:59:54,359 INFO L274 CegarLoopResult]: For program point L613(lines 613 880) no Hoare annotation was computed. [2020-11-29 19:59:54,359 INFO L274 CegarLoopResult]: For program point L151-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,359 INFO L274 CegarLoopResult]: For program point L85-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,359 INFO L274 CegarLoopResult]: For program point L482(lines 482 880) no Hoare annotation was computed. [2020-11-29 19:59:54,359 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 19:59:54,359 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-11-29 19:59:54,359 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-11-29 19:59:54,360 INFO L274 CegarLoopResult]: For program point L351(lines 351 880) no Hoare annotation was computed. [2020-11-29 19:59:54,360 INFO L274 CegarLoopResult]: For program point L285(lines 285 880) no Hoare annotation was computed. [2020-11-29 19:59:54,360 INFO L274 CegarLoopResult]: For program point L418(lines 418 880) no Hoare annotation was computed. [2020-11-29 19:59:54,360 INFO L274 CegarLoopResult]: For program point L154-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,360 INFO L274 CegarLoopResult]: For program point L88-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,361 INFO L270 CegarLoopResult]: At program point L881(lines 30 882) the Hoare annotation is: (let ((.cse0 (<= ~a15~0 5)) (.cse1 (= ~a24~0 1))) (or (and .cse0 .cse1) (and (<= 7 ~a15~0) .cse1) (and .cse0 (<= (+ ~a12~0 49) 0)) (and (<= 9 ~a21~0) .cse1 (<= ~a21~0 9)) (and (< 0 (+ ~a12~0 43)) (<= ~a12~0 11) .cse1) (and .cse1 (<= ~a21~0 6)) (and (<= 8 ~a21~0) .cse1 (<= ~a21~0 8)))) [2020-11-29 19:59:54,361 INFO L274 CegarLoopResult]: For program point L551(lines 551 880) no Hoare annotation was computed. [2020-11-29 19:59:54,361 INFO L274 CegarLoopResult]: For program point L221(lines 221 880) no Hoare annotation was computed. [2020-11-29 19:59:54,361 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-11-29 19:59:54,362 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-11-29 19:59:54,362 INFO L274 CegarLoopResult]: For program point L684(lines 684 880) no Hoare annotation was computed. [2020-11-29 19:59:54,362 INFO L274 CegarLoopResult]: For program point L817(lines 817 880) no Hoare annotation was computed. [2020-11-29 19:59:54,362 INFO L274 CegarLoopResult]: For program point L751(lines 751 880) no Hoare annotation was computed. [2020-11-29 19:59:54,362 INFO L274 CegarLoopResult]: For program point L619(lines 619 880) no Hoare annotation was computed. [2020-11-29 19:59:54,362 INFO L274 CegarLoopResult]: For program point L157-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,363 INFO L274 CegarLoopResult]: For program point L91-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,363 INFO L277 CegarLoopResult]: At program point L884(lines 884 900) the Hoare annotation is: true [2020-11-29 19:59:54,363 INFO L274 CegarLoopResult]: For program point L488(lines 488 880) no Hoare annotation was computed. [2020-11-29 19:59:54,363 INFO L274 CegarLoopResult]: For program point L290(lines 290 880) no Hoare annotation was computed. [2020-11-29 19:59:54,363 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-11-29 19:59:54,363 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-11-29 19:59:54,364 INFO L274 CegarLoopResult]: For program point L687(lines 687 880) no Hoare annotation was computed. [2020-11-29 19:59:54,364 INFO L274 CegarLoopResult]: For program point L357(lines 357 880) no Hoare annotation was computed. [2020-11-29 19:59:54,364 INFO L274 CegarLoopResult]: For program point L424(lines 424 880) no Hoare annotation was computed. [2020-11-29 19:59:54,364 INFO L274 CegarLoopResult]: For program point L160-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,364 INFO L274 CegarLoopResult]: For program point L94-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,364 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 19:59:54,365 INFO L274 CegarLoopResult]: For program point L557(lines 557 880) no Hoare annotation was computed. [2020-11-29 19:59:54,365 INFO L274 CegarLoopResult]: For program point L227(lines 227 880) no Hoare annotation was computed. [2020-11-29 19:59:54,365 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-11-29 19:59:54,365 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-11-29 19:59:54,365 INFO L274 CegarLoopResult]: For program point L757(lines 757 880) no Hoare annotation was computed. [2020-11-29 19:59:54,365 INFO L274 CegarLoopResult]: For program point L625(lines 625 880) no Hoare annotation was computed. [2020-11-29 19:59:54,366 INFO L274 CegarLoopResult]: For program point L163-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,366 INFO L274 CegarLoopResult]: For program point L97-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,366 INFO L274 CegarLoopResult]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-11-29 19:59:54,366 INFO L274 CegarLoopResult]: For program point L31-2(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,366 INFO L274 CegarLoopResult]: For program point L824(lines 824 880) no Hoare annotation was computed. [2020-11-29 19:59:54,369 INFO L270 CegarLoopResult]: At program point L890-2(lines 890 899) the Hoare annotation is: (let ((.cse0 (<= ~a15~0 5)) (.cse1 (= ~a24~0 1))) (or (and .cse0 .cse1) (and (<= 7 ~a15~0) .cse1) (and .cse0 (<= (+ ~a12~0 49) 0)) (and (<= 9 ~a21~0) .cse1 (<= ~a21~0 9)) (and (< 0 (+ ~a12~0 43)) (<= ~a12~0 11) .cse1) (and .cse1 (<= ~a21~0 6)) (and (<= 8 ~a21~0) .cse1 (<= ~a21~0 8)))) [2020-11-29 19:59:54,369 INFO L274 CegarLoopResult]: For program point L494(lines 494 880) no Hoare annotation was computed. [2020-11-29 19:59:54,369 INFO L274 CegarLoopResult]: For program point L296(lines 296 880) no Hoare annotation was computed. [2020-11-29 19:59:54,369 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-11-29 19:59:54,370 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-11-29 19:59:54,370 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-11-29 19:59:54,370 INFO L274 CegarLoopResult]: For program point L693(lines 693 880) no Hoare annotation was computed. [2020-11-29 19:59:54,370 INFO L274 CegarLoopResult]: For program point L363(lines 363 880) no Hoare annotation was computed. [2020-11-29 19:59:54,370 INFO L274 CegarLoopResult]: For program point L562(lines 562 880) no Hoare annotation was computed. [2020-11-29 19:59:54,370 INFO L274 CegarLoopResult]: For program point L430(lines 430 880) no Hoare annotation was computed. [2020-11-29 19:59:54,371 INFO L274 CegarLoopResult]: For program point L166-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,371 INFO L274 CegarLoopResult]: For program point L100-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,371 INFO L274 CegarLoopResult]: For program point L34-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:59:54,371 INFO L274 CegarLoopResult]: For program point L233(lines 233 880) no Hoare annotation was computed. [2020-11-29 19:59:54,371 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-11-29 19:59:54,371 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-11-29 19:59:54,372 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-11-29 19:59:54,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:59:54 BoogieIcfgContainer [2020-11-29 19:59:54,419 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 19:59:54,420 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:59:54,420 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:59:54,421 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:59:54,421 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:59:26" (3/4) ... [2020-11-29 19:59:54,425 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 19:59:54,467 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 19:59:54,471 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 19:59:54,473 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:59:54,475 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:59:54,703 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_11043fc0-48d1-48fa-aa5c-1edb4e82f49b/bin/uautomizer/witness.graphml [2020-11-29 19:59:54,704 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:59:54,706 INFO L168 Benchmark]: Toolchain (without parser) took 31164.88 ms. Allocated memory was 90.2 MB in the beginning and 1.1 GB in the end (delta: 1.0 GB). Free memory was 57.7 MB in the beginning and 740.7 MB in the end (delta: -683.1 MB). Peak memory consumption was 330.3 MB. Max. memory is 16.1 GB. [2020-11-29 19:59:54,706 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 90.2 MB. Free memory was 47.6 MB in the beginning and 47.5 MB in the end (delta: 38.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:59:54,707 INFO L168 Benchmark]: CACSL2BoogieTranslator took 990.18 ms. Allocated memory is still 90.2 MB. Free memory was 57.4 MB in the beginning and 45.1 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 19:59:54,707 INFO L168 Benchmark]: Boogie Procedure Inliner took 132.89 ms. Allocated memory is still 90.2 MB. Free memory was 45.1 MB in the beginning and 35.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 19:59:54,708 INFO L168 Benchmark]: Boogie Preprocessor took 144.45 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 35.5 MB in the beginning and 77.8 MB in the end (delta: -42.3 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:59:54,708 INFO L168 Benchmark]: RCFGBuilder took 2018.36 ms. Allocated memory is still 109.1 MB. Free memory was 77.8 MB in the beginning and 38.0 MB in the end (delta: 39.9 MB). Peak memory consumption was 53.7 MB. Max. memory is 16.1 GB. [2020-11-29 19:59:54,709 INFO L168 Benchmark]: TraceAbstraction took 27573.26 ms. Allocated memory was 109.1 MB in the beginning and 1.1 GB in the end (delta: 994.1 MB). Free memory was 37.4 MB in the beginning and 759.6 MB in the end (delta: -722.2 MB). Peak memory consumption was 272.9 MB. Max. memory is 16.1 GB. [2020-11-29 19:59:54,709 INFO L168 Benchmark]: Witness Printer took 284.07 ms. Allocated memory is still 1.1 GB. Free memory was 759.6 MB in the beginning and 740.7 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-11-29 19:59:54,712 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 90.2 MB. Free memory was 47.6 MB in the beginning and 47.5 MB in the end (delta: 38.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 990.18 ms. Allocated memory is still 90.2 MB. Free memory was 57.4 MB in the beginning and 45.1 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 132.89 ms. Allocated memory is still 90.2 MB. Free memory was 45.1 MB in the beginning and 35.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 144.45 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 35.5 MB in the beginning and 77.8 MB in the end (delta: -42.3 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2018.36 ms. Allocated memory is still 109.1 MB. Free memory was 77.8 MB in the beginning and 38.0 MB in the end (delta: 39.9 MB). Peak memory consumption was 53.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 27573.26 ms. Allocated memory was 109.1 MB in the beginning and 1.1 GB in the end (delta: 994.1 MB). Free memory was 37.4 MB in the beginning and 759.6 MB in the end (delta: -722.2 MB). Peak memory consumption was 272.9 MB. Max. memory is 16.1 GB. * Witness Printer took 284.07 ms. Allocated memory is still 1.1 GB. Free memory was 759.6 MB in the beginning and 740.7 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 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: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((((((a15 <= 5 && a24 == 1) || (7 <= a15 && a24 == 1)) || (a15 <= 5 && a12 + 49 <= 0)) || ((9 <= a21 && a24 == 1) && a21 <= 9)) || ((0 < a12 + 43 && a12 <= 11) && a24 == 1)) || (a24 == 1 && a21 <= 6)) || ((8 <= a21 && a24 == 1) && a21 <= 8) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((a15 <= 5 && a24 == 1) || (7 <= a15 && a24 == 1)) || (a15 <= 5 && a12 + 49 <= 0)) || ((9 <= a21 && a24 == 1) && a21 <= 9)) || ((0 < a12 + 43 && a12 <= 11) && a24 == 1)) || (a24 == 1 && a21 <= 6)) || ((8 <= a21 && a24 == 1) && a21 <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 246 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 26.9s, OverallIterations: 14, TraceHistogramMax: 8, AutomataDifference: 15.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1921 SDtfs, 1937 SDslu, 79 SDs, 0 SdLazy, 7189 SolverSat, 967 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2312 GetRequests, 2288 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3386occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 14 MinimizatonAttempts, 2498 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 67 NumberOfFragments, 127 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1786 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 282 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 7842 NumberOfCodeBlocks, 7842 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 7825 ConstructedInterpolants, 0 QuantifiedInterpolants, 8573561 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2886 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 17 InterpolantComputations, 14 PerfectInterpolantSequences, 15680/16055 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...