./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label10.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_b49ff845-394c-4d06-9b67-2c8108609887/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b49ff845-394c-4d06-9b67-2c8108609887/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b49ff845-394c-4d06-9b67-2c8108609887/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b49ff845-394c-4d06-9b67-2c8108609887/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label10.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b49ff845-394c-4d06-9b67-2c8108609887/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b49ff845-394c-4d06-9b67-2c8108609887/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 11013396998c655d4cdc970611694121d58e05a7 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 19:56:54,788 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:56:54,791 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:56:54,876 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:56:54,890 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:56:54,897 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:56:54,900 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:56:54,906 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:56:54,909 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:56:54,911 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:56:54,912 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:56:54,914 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:56:54,915 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:56:54,916 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:56:54,918 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:56:54,920 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:56:54,921 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:56:54,923 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:56:54,925 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:56:54,928 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:56:54,930 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:56:54,932 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:56:54,934 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:56:54,936 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:56:54,940 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:56:54,940 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:56:54,941 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:56:54,942 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:56:54,943 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:56:54,945 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:56:54,945 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:56:54,947 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:56:54,948 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:56:54,949 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:56:54,951 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:56:54,951 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:56:54,952 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:56:54,953 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:56:54,953 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:56:54,954 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:56:54,955 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:56:54,958 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b49ff845-394c-4d06-9b67-2c8108609887/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 19:56:55,011 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:56:55,012 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:56:55,014 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:56:55,015 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:56:55,015 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:56:55,016 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:56:55,016 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:56:55,016 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:56:55,016 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:56:55,017 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:56:55,018 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:56:55,018 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:56:55,019 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:56:55,019 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:56:55,019 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:56:55,020 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:56:55,020 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:56:55,020 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:56:55,020 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:56:55,021 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:56:55,021 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 19:56:55,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:56:55,022 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:56:55,022 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:56:55,022 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:56:55,022 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:56:55,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:56:55,023 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:56:55,023 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:56:55,024 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_b49ff845-394c-4d06-9b67-2c8108609887/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b49ff845-394c-4d06-9b67-2c8108609887/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11013396998c655d4cdc970611694121d58e05a7 [2020-11-29 19:56:55,384 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:56:55,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:56:55,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:56:55,424 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:56:55,426 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:56:55,427 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b49ff845-394c-4d06-9b67-2c8108609887/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem16_label10.c [2020-11-29 19:56:55,553 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b49ff845-394c-4d06-9b67-2c8108609887/bin/uautomizer/data/6d7b327ce/f68e6693deaa40fca5cfe9f632d886a7/FLAG74fea23d6 [2020-11-29 19:56:56,422 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:56:56,423 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b49ff845-394c-4d06-9b67-2c8108609887/sv-benchmarks/c/eca-rers2012/Problem16_label10.c [2020-11-29 19:56:56,477 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b49ff845-394c-4d06-9b67-2c8108609887/bin/uautomizer/data/6d7b327ce/f68e6693deaa40fca5cfe9f632d886a7/FLAG74fea23d6 [2020-11-29 19:56:56,985 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b49ff845-394c-4d06-9b67-2c8108609887/bin/uautomizer/data/6d7b327ce/f68e6693deaa40fca5cfe9f632d886a7 [2020-11-29 19:56:56,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:56:56,993 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:56:56,999 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:56:56,999 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:56:57,020 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:56:57,021 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:56:56" (1/1) ... [2020-11-29 19:56:57,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f81d71c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:56:57, skipping insertion in model container [2020-11-29 19:56:57,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:56:56" (1/1) ... [2020-11-29 19:56:57,030 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:56:57,117 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:56:57,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:56:58,017 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:56:58,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:56:58,459 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:56:58,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:56:58 WrapperNode [2020-11-29 19:56:58,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:56:58,463 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:56:58,464 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:56:58,464 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:56:58,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:56:58" (1/1) ... [2020-11-29 19:56:58,534 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:56:58" (1/1) ... [2020-11-29 19:56:58,742 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:56:58,743 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:56:58,744 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:56:58,744 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:56:58,755 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:56:58" (1/1) ... [2020-11-29 19:56:58,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:56:58" (1/1) ... [2020-11-29 19:56:58,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:56:58" (1/1) ... [2020-11-29 19:56:58,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:56:58" (1/1) ... [2020-11-29 19:56:58,859 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:56:58" (1/1) ... [2020-11-29 19:56:58,879 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:56:58" (1/1) ... [2020-11-29 19:56:58,915 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:56:58" (1/1) ... [2020-11-29 19:56:58,949 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:56:58,950 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:56:58,951 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:56:58,951 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:56:58,953 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:56:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b49ff845-394c-4d06-9b67-2c8108609887/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 19:56:59,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:56:59,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:56:59,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:56:59,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:57:02,558 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:57:02,558 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-11-29 19:57:02,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:57:02 BoogieIcfgContainer [2020-11-29 19:57:02,562 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:57:02,564 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 19:57:02,565 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 19:57:02,572 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 19:57:02,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:56:56" (1/3) ... [2020-11-29 19:57:02,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9bab173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:57:02, skipping insertion in model container [2020-11-29 19:57:02,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:56:58" (2/3) ... [2020-11-29 19:57:02,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9bab173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:57:02, skipping insertion in model container [2020-11-29 19:57:02,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:57:02" (3/3) ... [2020-11-29 19:57:02,577 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label10.c [2020-11-29 19:57:02,597 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 19:57:02,604 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 19:57:02,620 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 19:57:02,687 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 19:57:02,687 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 19:57:02,687 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 19:57:02,688 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:57:02,688 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:57:02,688 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 19:57:02,688 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:57:02,689 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 19:57:02,719 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states. [2020-11-29 19:57:02,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 19:57:02,728 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:57:02,729 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] [2020-11-29 19:57:02,730 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:57:02,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:57:02,751 INFO L82 PathProgramCache]: Analyzing trace with hash -1317301102, now seen corresponding path program 1 times [2020-11-29 19:57:02,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:57:02,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145550566] [2020-11-29 19:57:02,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:57:02,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:57:03,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:57:03,043 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145550566] [2020-11-29 19:57:03,044 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:57:03,045 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:57:03,046 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086953386] [2020-11-29 19:57:03,051 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:57:03,052 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:57:03,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:57:03,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:57:03,072 INFO L87 Difference]: Start difference. First operand 397 states. Second operand 3 states. [2020-11-29 19:57:06,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:57:06,326 INFO L93 Difference]: Finished difference Result 1123 states and 2104 transitions. [2020-11-29 19:57:06,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:57:06,328 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2020-11-29 19:57:06,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:57:06,355 INFO L225 Difference]: With dead ends: 1123 [2020-11-29 19:57:06,355 INFO L226 Difference]: Without dead ends: 662 [2020-11-29 19:57:06,365 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 19:57:06,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2020-11-29 19:57:06,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2020-11-29 19:57:06,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 662 states. [2020-11-29 19:57:06,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 1004 transitions. [2020-11-29 19:57:06,492 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 1004 transitions. Word has length 32 [2020-11-29 19:57:06,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:57:06,493 INFO L481 AbstractCegarLoop]: Abstraction has 662 states and 1004 transitions. [2020-11-29 19:57:06,493 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:57:06,493 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1004 transitions. [2020-11-29 19:57:06,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-11-29 19:57:06,507 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:57:06,508 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:57:06,509 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 19:57:06,509 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:57:06,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:57:06,514 INFO L82 PathProgramCache]: Analyzing trace with hash -512592468, now seen corresponding path program 1 times [2020-11-29 19:57:06,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:57:06,515 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410544078] [2020-11-29 19:57:06,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:57:06,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:57:06,915 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:57:06,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410544078] [2020-11-29 19:57:06,916 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:57:06,917 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:57:06,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724753128] [2020-11-29 19:57:06,919 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:57:06,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:57:06,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:57:06,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:57:06,922 INFO L87 Difference]: Start difference. First operand 662 states and 1004 transitions. Second operand 4 states. [2020-11-29 19:57:11,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:57:11,286 INFO L93 Difference]: Finished difference Result 2309 states and 3414 transitions. [2020-11-29 19:57:11,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 19:57:11,288 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 100 [2020-11-29 19:57:11,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:57:11,303 INFO L225 Difference]: With dead ends: 2309 [2020-11-29 19:57:11,303 INFO L226 Difference]: Without dead ends: 1649 [2020-11-29 19:57:11,308 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 19:57:11,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1649 states. [2020-11-29 19:57:11,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1649 to 1649. [2020-11-29 19:57:11,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1649 states. [2020-11-29 19:57:11,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 1649 states and 2310 transitions. [2020-11-29 19:57:11,419 INFO L78 Accepts]: Start accepts. Automaton has 1649 states and 2310 transitions. Word has length 100 [2020-11-29 19:57:11,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:57:11,420 INFO L481 AbstractCegarLoop]: Abstraction has 1649 states and 2310 transitions. [2020-11-29 19:57:11,420 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:57:11,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 2310 transitions. [2020-11-29 19:57:11,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-11-29 19:57:11,425 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:57:11,426 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:57:11,426 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 19:57:11,427 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:57:11,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:57:11,428 INFO L82 PathProgramCache]: Analyzing trace with hash -430532651, now seen corresponding path program 1 times [2020-11-29 19:57:11,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:57:11,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040461085] [2020-11-29 19:57:11,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:57:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:57:11,700 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:57:11,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040461085] [2020-11-29 19:57:11,701 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:57:11,701 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:57:11,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254060474] [2020-11-29 19:57:11,702 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:57:11,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:57:11,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:57:11,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:57:11,704 INFO L87 Difference]: Start difference. First operand 1649 states and 2310 transitions. Second operand 3 states. [2020-11-29 19:57:14,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:57:14,691 INFO L93 Difference]: Finished difference Result 3625 states and 5242 transitions. [2020-11-29 19:57:14,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:57:14,693 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 163 [2020-11-29 19:57:14,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:57:14,709 INFO L225 Difference]: With dead ends: 3625 [2020-11-29 19:57:14,710 INFO L226 Difference]: Without dead ends: 2307 [2020-11-29 19:57:14,712 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 19:57:14,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2307 states. [2020-11-29 19:57:14,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2307 to 2307. [2020-11-29 19:57:14,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2307 states. [2020-11-29 19:57:14,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2307 states to 2307 states and 3113 transitions. [2020-11-29 19:57:14,803 INFO L78 Accepts]: Start accepts. Automaton has 2307 states and 3113 transitions. Word has length 163 [2020-11-29 19:57:14,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:57:14,810 INFO L481 AbstractCegarLoop]: Abstraction has 2307 states and 3113 transitions. [2020-11-29 19:57:14,811 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:57:14,811 INFO L276 IsEmpty]: Start isEmpty. Operand 2307 states and 3113 transitions. [2020-11-29 19:57:14,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-11-29 19:57:14,828 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:57:14,829 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 19:57:14,829 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 19:57:14,830 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:57:14,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:57:14,831 INFO L82 PathProgramCache]: Analyzing trace with hash 1250337670, now seen corresponding path program 1 times [2020-11-29 19:57:14,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:57:14,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313488994] [2020-11-29 19:57:14,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:57:14,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:57:15,023 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-11-29 19:57:15,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313488994] [2020-11-29 19:57:15,024 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:57:15,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:57:15,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88320106] [2020-11-29 19:57:15,026 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:57:15,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:57:15,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:57:15,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:57:15,027 INFO L87 Difference]: Start difference. First operand 2307 states and 3113 transitions. Second operand 3 states. [2020-11-29 19:57:17,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:57:17,633 INFO L93 Difference]: Finished difference Result 5599 states and 7699 transitions. [2020-11-29 19:57:17,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:57:17,634 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 198 [2020-11-29 19:57:17,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:57:17,660 INFO L225 Difference]: With dead ends: 5599 [2020-11-29 19:57:17,660 INFO L226 Difference]: Without dead ends: 3623 [2020-11-29 19:57:17,665 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 19:57:17,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3623 states. [2020-11-29 19:57:17,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3623 to 2965. [2020-11-29 19:57:17,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2965 states. [2020-11-29 19:57:17,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2965 states to 2965 states and 3688 transitions. [2020-11-29 19:57:17,754 INFO L78 Accepts]: Start accepts. Automaton has 2965 states and 3688 transitions. Word has length 198 [2020-11-29 19:57:17,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:57:17,756 INFO L481 AbstractCegarLoop]: Abstraction has 2965 states and 3688 transitions. [2020-11-29 19:57:17,756 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:57:17,756 INFO L276 IsEmpty]: Start isEmpty. Operand 2965 states and 3688 transitions. [2020-11-29 19:57:17,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-11-29 19:57:17,790 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:57:17,790 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-29 19:57:17,790 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 19:57:17,790 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:57:17,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:57:17,791 INFO L82 PathProgramCache]: Analyzing trace with hash 523979223, now seen corresponding path program 1 times [2020-11-29 19:57:17,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:57:17,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053627040] [2020-11-29 19:57:17,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:57:17,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:57:18,016 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:57:18,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053627040] [2020-11-29 19:57:18,017 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:57:18,017 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:57:18,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215073974] [2020-11-29 19:57:18,019 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:57:18,019 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:57:18,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:57:18,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:57:18,020 INFO L87 Difference]: Start difference. First operand 2965 states and 3688 transitions. Second operand 3 states. [2020-11-29 19:57:20,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:57:20,547 INFO L93 Difference]: Finished difference Result 6915 states and 8657 transitions. [2020-11-29 19:57:20,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:57:20,562 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 215 [2020-11-29 19:57:20,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:57:20,588 INFO L225 Difference]: With dead ends: 6915 [2020-11-29 19:57:20,589 INFO L226 Difference]: Without dead ends: 3952 [2020-11-29 19:57:20,595 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 19:57:20,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2020-11-29 19:57:20,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3952. [2020-11-29 19:57:20,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3952 states. [2020-11-29 19:57:20,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 4242 transitions. [2020-11-29 19:57:20,705 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 4242 transitions. Word has length 215 [2020-11-29 19:57:20,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:57:20,706 INFO L481 AbstractCegarLoop]: Abstraction has 3952 states and 4242 transitions. [2020-11-29 19:57:20,706 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:57:20,706 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 4242 transitions. [2020-11-29 19:57:20,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-11-29 19:57:20,711 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:57:20,711 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:57:20,712 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 19:57:20,712 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:57:20,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:57:20,713 INFO L82 PathProgramCache]: Analyzing trace with hash -1342786607, now seen corresponding path program 1 times [2020-11-29 19:57:20,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:57:20,714 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417573427] [2020-11-29 19:57:20,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:57:20,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:57:20,945 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:57:20,946 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417573427] [2020-11-29 19:57:20,947 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:57:20,947 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:57:20,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538586360] [2020-11-29 19:57:20,948 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:57:20,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:57:20,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:57:20,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:57:20,950 INFO L87 Difference]: Start difference. First operand 3952 states and 4242 transitions. Second operand 3 states. [2020-11-29 19:57:23,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:57:23,366 INFO L93 Difference]: Finished difference Result 9218 states and 9926 transitions. [2020-11-29 19:57:23,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:57:23,368 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 267 [2020-11-29 19:57:23,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:57:23,401 INFO L225 Difference]: With dead ends: 9218 [2020-11-29 19:57:23,402 INFO L226 Difference]: Without dead ends: 5268 [2020-11-29 19:57:23,408 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 19:57:23,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5268 states. [2020-11-29 19:57:23,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5268 to 5268. [2020-11-29 19:57:23,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5268 states. [2020-11-29 19:57:23,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5268 states to 5268 states and 5527 transitions. [2020-11-29 19:57:23,531 INFO L78 Accepts]: Start accepts. Automaton has 5268 states and 5527 transitions. Word has length 267 [2020-11-29 19:57:23,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:57:23,537 INFO L481 AbstractCegarLoop]: Abstraction has 5268 states and 5527 transitions. [2020-11-29 19:57:23,537 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:57:23,537 INFO L276 IsEmpty]: Start isEmpty. Operand 5268 states and 5527 transitions. [2020-11-29 19:57:23,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2020-11-29 19:57:23,545 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:57:23,546 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:57:23,546 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 19:57:23,547 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:57:23,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:57:23,549 INFO L82 PathProgramCache]: Analyzing trace with hash 9282513, now seen corresponding path program 1 times [2020-11-29 19:57:23,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:57:23,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758499351] [2020-11-29 19:57:23,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:57:23,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:57:24,176 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2020-11-29 19:57:24,176 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758499351] [2020-11-29 19:57:24,176 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2128615064] [2020-11-29 19:57:24,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b49ff845-394c-4d06-9b67-2c8108609887/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 19:57:24,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:57:24,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:57:24,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:57:24,954 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2020-11-29 19:57:24,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:57:24,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-11-29 19:57:24,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2442735] [2020-11-29 19:57:24,957 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:57:24,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:57:24,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:57:24,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:57:24,958 INFO L87 Difference]: Start difference. First operand 5268 states and 5527 transitions. Second operand 3 states. [2020-11-29 19:57:27,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:57:27,257 INFO L93 Difference]: Finished difference Result 6257 states and 6540 transitions. [2020-11-29 19:57:27,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:57:27,259 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 371 [2020-11-29 19:57:27,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:57:27,298 INFO L225 Difference]: With dead ends: 6257 [2020-11-29 19:57:27,299 INFO L226 Difference]: Without dead ends: 6255 [2020-11-29 19:57:27,301 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 370 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:57:27,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6255 states. [2020-11-29 19:57:27,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6255 to 5597. [2020-11-29 19:57:27,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5597 states. [2020-11-29 19:57:27,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5597 states to 5597 states and 5869 transitions. [2020-11-29 19:57:27,456 INFO L78 Accepts]: Start accepts. Automaton has 5597 states and 5869 transitions. Word has length 371 [2020-11-29 19:57:27,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:57:27,457 INFO L481 AbstractCegarLoop]: Abstraction has 5597 states and 5869 transitions. [2020-11-29 19:57:27,457 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:57:27,457 INFO L276 IsEmpty]: Start isEmpty. Operand 5597 states and 5869 transitions. [2020-11-29 19:57:27,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 608 [2020-11-29 19:57:27,479 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:57:27,480 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:57:27,694 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-11-29 19:57:27,695 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:57:27,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:57:27,695 INFO L82 PathProgramCache]: Analyzing trace with hash 603300724, now seen corresponding path program 1 times [2020-11-29 19:57:27,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:57:27,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916839294] [2020-11-29 19:57:27,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:57:27,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:57:28,291 INFO L134 CoverageAnalysis]: Checked inductivity of 751 backedges. 626 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2020-11-29 19:57:28,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916839294] [2020-11-29 19:57:28,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:57:28,292 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:57:28,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403672629] [2020-11-29 19:57:28,293 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:57:28,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:57:28,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:57:28,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:57:28,294 INFO L87 Difference]: Start difference. First operand 5597 states and 5869 transitions. Second operand 3 states. [2020-11-29 19:57:30,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:57:30,040 INFO L93 Difference]: Finished difference Result 12837 states and 13521 transitions. [2020-11-29 19:57:30,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:57:30,041 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 607 [2020-11-29 19:57:30,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:57:30,079 INFO L225 Difference]: With dead ends: 12837 [2020-11-29 19:57:30,080 INFO L226 Difference]: Without dead ends: 7571 [2020-11-29 19:57:30,089 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 19:57:30,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7571 states. [2020-11-29 19:57:30,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7571 to 7242. [2020-11-29 19:57:30,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7242 states. [2020-11-29 19:57:30,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7242 states to 7242 states and 7617 transitions. [2020-11-29 19:57:30,319 INFO L78 Accepts]: Start accepts. Automaton has 7242 states and 7617 transitions. Word has length 607 [2020-11-29 19:57:30,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:57:30,320 INFO L481 AbstractCegarLoop]: Abstraction has 7242 states and 7617 transitions. [2020-11-29 19:57:30,320 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:57:30,320 INFO L276 IsEmpty]: Start isEmpty. Operand 7242 states and 7617 transitions. [2020-11-29 19:57:30,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 697 [2020-11-29 19:57:30,355 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:57:30,355 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-29 19:57:30,356 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 19:57:30,356 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:57:30,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:57:30,357 INFO L82 PathProgramCache]: Analyzing trace with hash 1291024378, now seen corresponding path program 1 times [2020-11-29 19:57:30,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:57:30,362 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520022894] [2020-11-29 19:57:30,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:57:30,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:57:31,198 INFO L134 CoverageAnalysis]: Checked inductivity of 776 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 371 trivial. 0 not checked. [2020-11-29 19:57:31,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520022894] [2020-11-29 19:57:31,199 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:57:31,199 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:57:31,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779997447] [2020-11-29 19:57:31,201 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:57:31,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:57:31,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:57:31,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:57:31,202 INFO L87 Difference]: Start difference. First operand 7242 states and 7617 transitions. Second operand 3 states. [2020-11-29 19:57:32,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:57:32,779 INFO L93 Difference]: Finished difference Result 16127 states and 17017 transitions. [2020-11-29 19:57:32,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:57:32,780 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 696 [2020-11-29 19:57:32,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:57:32,802 INFO L225 Difference]: With dead ends: 16127 [2020-11-29 19:57:32,802 INFO L226 Difference]: Without dead ends: 8887 [2020-11-29 19:57:32,813 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 19:57:32,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8887 states. [2020-11-29 19:57:33,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8887 to 8558. [2020-11-29 19:57:33,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8558 states. [2020-11-29 19:57:33,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8558 states to 8558 states and 8958 transitions. [2020-11-29 19:57:33,023 INFO L78 Accepts]: Start accepts. Automaton has 8558 states and 8958 transitions. Word has length 696 [2020-11-29 19:57:33,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:57:33,025 INFO L481 AbstractCegarLoop]: Abstraction has 8558 states and 8958 transitions. [2020-11-29 19:57:33,025 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:57:33,025 INFO L276 IsEmpty]: Start isEmpty. Operand 8558 states and 8958 transitions. [2020-11-29 19:57:33,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 698 [2020-11-29 19:57:33,037 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:57:33,038 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-29 19:57:33,039 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 19:57:33,039 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:57:33,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:57:33,040 INFO L82 PathProgramCache]: Analyzing trace with hash -1941854035, now seen corresponding path program 1 times [2020-11-29 19:57:33,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:57:33,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550940349] [2020-11-29 19:57:33,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:57:33,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:57:34,645 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 90 proven. 446 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2020-11-29 19:57:34,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550940349] [2020-11-29 19:57:34,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1876588623] [2020-11-29 19:57:34,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b49ff845-394c-4d06-9b67-2c8108609887/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 19:57:34,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:57:34,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 859 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:57:34,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:57:35,333 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 660 trivial. 0 not checked. [2020-11-29 19:57:35,333 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:57:35,333 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-11-29 19:57:35,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227222847] [2020-11-29 19:57:35,335 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:57:35,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:57:35,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:57:35,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-29 19:57:35,336 INFO L87 Difference]: Start difference. First operand 8558 states and 8958 transitions. Second operand 3 states. [2020-11-29 19:57:36,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:57:36,929 INFO L93 Difference]: Finished difference Result 16785 states and 17583 transitions. [2020-11-29 19:57:36,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:57:36,943 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 697 [2020-11-29 19:57:36,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:57:36,968 INFO L225 Difference]: With dead ends: 16785 [2020-11-29 19:57:36,968 INFO L226 Difference]: Without dead ends: 8558 [2020-11-29 19:57:36,979 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 701 GetRequests, 697 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-29 19:57:36,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8558 states. [2020-11-29 19:57:37,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8558 to 8558. [2020-11-29 19:57:37,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8558 states. [2020-11-29 19:57:37,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8558 states to 8558 states and 8906 transitions. [2020-11-29 19:57:37,128 INFO L78 Accepts]: Start accepts. Automaton has 8558 states and 8906 transitions. Word has length 697 [2020-11-29 19:57:37,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:57:37,130 INFO L481 AbstractCegarLoop]: Abstraction has 8558 states and 8906 transitions. [2020-11-29 19:57:37,130 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:57:37,130 INFO L276 IsEmpty]: Start isEmpty. Operand 8558 states and 8906 transitions. [2020-11-29 19:57:37,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1156 [2020-11-29 19:57:37,158 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:57:37,159 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, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:57:37,386 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-11-29 19:57:37,387 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:57:37,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:57:37,388 INFO L82 PathProgramCache]: Analyzing trace with hash -52978272, now seen corresponding path program 1 times [2020-11-29 19:57:37,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:57:37,388 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535682013] [2020-11-29 19:57:37,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:57:37,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:57:39,038 INFO L134 CoverageAnalysis]: Checked inductivity of 2658 backedges. 1832 proven. 0 refuted. 0 times theorem prover too weak. 826 trivial. 0 not checked. [2020-11-29 19:57:39,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535682013] [2020-11-29 19:57:39,039 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:57:39,039 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:57:39,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546035807] [2020-11-29 19:57:39,040 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:57:39,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:57:39,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:57:39,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:57:39,042 INFO L87 Difference]: Start difference. First operand 8558 states and 8906 transitions. Second operand 3 states. [2020-11-29 19:57:40,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:57:40,559 INFO L93 Difference]: Finished difference Result 16785 states and 17479 transitions. [2020-11-29 19:57:40,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:57:40,560 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1155 [2020-11-29 19:57:40,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:57:40,582 INFO L225 Difference]: With dead ends: 16785 [2020-11-29 19:57:40,582 INFO L226 Difference]: Without dead ends: 8558 [2020-11-29 19:57:40,592 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 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 19:57:40,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8558 states. [2020-11-29 19:57:40,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8558 to 8558. [2020-11-29 19:57:40,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8558 states. [2020-11-29 19:57:40,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8558 states to 8558 states and 8868 transitions. [2020-11-29 19:57:40,733 INFO L78 Accepts]: Start accepts. Automaton has 8558 states and 8868 transitions. Word has length 1155 [2020-11-29 19:57:40,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:57:40,734 INFO L481 AbstractCegarLoop]: Abstraction has 8558 states and 8868 transitions. [2020-11-29 19:57:40,735 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:57:40,739 INFO L276 IsEmpty]: Start isEmpty. Operand 8558 states and 8868 transitions. [2020-11-29 19:57:40,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1184 [2020-11-29 19:57:40,768 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:57:40,769 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, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:57:40,769 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-29 19:57:40,769 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:57:40,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:57:40,770 INFO L82 PathProgramCache]: Analyzing trace with hash 1301016024, now seen corresponding path program 1 times [2020-11-29 19:57:40,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:57:40,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826142506] [2020-11-29 19:57:40,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:57:40,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:57:42,500 INFO L134 CoverageAnalysis]: Checked inductivity of 2766 backedges. 1543 proven. 0 refuted. 0 times theorem prover too weak. 1223 trivial. 0 not checked. [2020-11-29 19:57:42,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826142506] [2020-11-29 19:57:42,500 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:57:42,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:57:42,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466889694] [2020-11-29 19:57:42,502 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:57:42,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:57:42,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:57:42,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:57:42,503 INFO L87 Difference]: Start difference. First operand 8558 states and 8868 transitions. Second operand 3 states. [2020-11-29 19:57:44,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:57:44,065 INFO L93 Difference]: Finished difference Result 17772 states and 18405 transitions. [2020-11-29 19:57:44,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:57:44,066 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1183 [2020-11-29 19:57:44,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:57:44,087 INFO L225 Difference]: With dead ends: 17772 [2020-11-29 19:57:44,088 INFO L226 Difference]: Without dead ends: 9545 [2020-11-29 19:57:44,099 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:57:44,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9545 states. [2020-11-29 19:57:44,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9545 to 9545. [2020-11-29 19:57:44,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9545 states. [2020-11-29 19:57:44,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9545 states to 9545 states and 9862 transitions. [2020-11-29 19:57:44,253 INFO L78 Accepts]: Start accepts. Automaton has 9545 states and 9862 transitions. Word has length 1183 [2020-11-29 19:57:44,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:57:44,254 INFO L481 AbstractCegarLoop]: Abstraction has 9545 states and 9862 transitions. [2020-11-29 19:57:44,254 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:57:44,255 INFO L276 IsEmpty]: Start isEmpty. Operand 9545 states and 9862 transitions. [2020-11-29 19:57:44,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1202 [2020-11-29 19:57:44,287 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:57:44,289 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, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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 19:57:44,290 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-29 19:57:44,290 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:57:44,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:57:44,291 INFO L82 PathProgramCache]: Analyzing trace with hash 390062861, now seen corresponding path program 1 times [2020-11-29 19:57:44,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:57:44,292 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966164377] [2020-11-29 19:57:44,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:57:44,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:57:45,688 INFO L134 CoverageAnalysis]: Checked inductivity of 2796 backedges. 209 proven. 0 refuted. 0 times theorem prover too weak. 2587 trivial. 0 not checked. [2020-11-29 19:57:45,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966164377] [2020-11-29 19:57:45,689 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:57:45,689 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:57:45,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696087011] [2020-11-29 19:57:45,691 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:57:45,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:57:45,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:57:45,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:57:45,692 INFO L87 Difference]: Start difference. First operand 9545 states and 9862 transitions. Second operand 3 states. [2020-11-29 19:57:47,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:57:47,306 INFO L93 Difference]: Finished difference Result 19746 states and 20387 transitions. [2020-11-29 19:57:47,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:57:47,307 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1201 [2020-11-29 19:57:47,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:57:47,327 INFO L225 Difference]: With dead ends: 19746 [2020-11-29 19:57:47,328 INFO L226 Difference]: Without dead ends: 8887 [2020-11-29 19:57:47,343 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 19:57:47,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8887 states. [2020-11-29 19:57:47,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8887 to 8887. [2020-11-29 19:57:47,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8887 states. [2020-11-29 19:57:47,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8887 states to 8887 states and 9136 transitions. [2020-11-29 19:57:47,476 INFO L78 Accepts]: Start accepts. Automaton has 8887 states and 9136 transitions. Word has length 1201 [2020-11-29 19:57:47,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:57:47,477 INFO L481 AbstractCegarLoop]: Abstraction has 8887 states and 9136 transitions. [2020-11-29 19:57:47,477 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:57:47,478 INFO L276 IsEmpty]: Start isEmpty. Operand 8887 states and 9136 transitions. [2020-11-29 19:57:47,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1344 [2020-11-29 19:57:47,514 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:57:47,515 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:57:47,516 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-29 19:57:47,516 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:57:47,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:57:47,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1831247813, now seen corresponding path program 1 times [2020-11-29 19:57:47,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:57:47,517 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154651019] [2020-11-29 19:57:47,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:57:47,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:57:49,352 INFO L134 CoverageAnalysis]: Checked inductivity of 3682 backedges. 239 proven. 0 refuted. 0 times theorem prover too weak. 3443 trivial. 0 not checked. [2020-11-29 19:57:49,353 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154651019] [2020-11-29 19:57:49,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:57:49,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:57:49,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412926861] [2020-11-29 19:57:49,355 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:57:49,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:57:49,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:57:49,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:57:49,356 INFO L87 Difference]: Start difference. First operand 8887 states and 9136 transitions. Second operand 3 states. [2020-11-29 19:57:50,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:57:50,360 INFO L93 Difference]: Finished difference Result 9223 states and 9472 transitions. [2020-11-29 19:57:50,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:57:50,362 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1343 [2020-11-29 19:57:50,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:57:50,377 INFO L225 Difference]: With dead ends: 9223 [2020-11-29 19:57:50,377 INFO L226 Difference]: Without dead ends: 8887 [2020-11-29 19:57:50,381 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 19:57:50,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8887 states. [2020-11-29 19:57:50,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8887 to 8887. [2020-11-29 19:57:50,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8887 states. [2020-11-29 19:57:50,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8887 states to 8887 states and 9135 transitions. [2020-11-29 19:57:50,512 INFO L78 Accepts]: Start accepts. Automaton has 8887 states and 9135 transitions. Word has length 1343 [2020-11-29 19:57:50,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:57:50,514 INFO L481 AbstractCegarLoop]: Abstraction has 8887 states and 9135 transitions. [2020-11-29 19:57:50,514 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:57:50,514 INFO L276 IsEmpty]: Start isEmpty. Operand 8887 states and 9135 transitions. [2020-11-29 19:57:50,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1496 [2020-11-29 19:57:50,627 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:57:50,629 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:57:50,630 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-29 19:57:50,630 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:57:50,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:57:50,633 INFO L82 PathProgramCache]: Analyzing trace with hash 446753736, now seen corresponding path program 1 times [2020-11-29 19:57:50,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:57:50,633 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657081792] [2020-11-29 19:57:50,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:57:50,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:57:52,968 INFO L134 CoverageAnalysis]: Checked inductivity of 3985 backedges. 239 proven. 0 refuted. 0 times theorem prover too weak. 3746 trivial. 0 not checked. [2020-11-29 19:57:52,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657081792] [2020-11-29 19:57:52,968 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:57:52,969 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:57:52,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879128312] [2020-11-29 19:57:52,970 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:57:52,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:57:52,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:57:52,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:57:52,971 INFO L87 Difference]: Start difference. First operand 8887 states and 9135 transitions. Second operand 3 states. [2020-11-29 19:57:54,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:57:54,843 INFO L93 Difference]: Finished difference Result 23034 states and 23724 transitions. [2020-11-29 19:57:54,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:57:54,847 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1495 [2020-11-29 19:57:54,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:57:54,850 INFO L225 Difference]: With dead ends: 23034 [2020-11-29 19:57:54,851 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 19:57:54,882 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 19:57:54,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 19:57:54,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 19:57:54,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 19:57:54,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 19:57:54,883 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1495 [2020-11-29 19:57:54,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:57:54,884 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 19:57:54,884 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:57:54,884 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 19:57:54,885 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 19:57:54,885 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-29 19:57:54,887 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 19:57:55,703 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 37 [2020-11-29 19:57:56,225 WARN L193 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 43 [2020-11-29 19:57:56,850 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 43 [2020-11-29 19:57:56,854 INFO L274 CegarLoopResult]: For program point L762(lines 762 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,856 INFO L274 CegarLoopResult]: For program point L696(lines 696 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,856 INFO L274 CegarLoopResult]: For program point L564(lines 564 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,856 INFO L274 CegarLoopResult]: For program point L366(lines 366 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,858 INFO L274 CegarLoopResult]: For program point L1357(lines 1357 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,858 INFO L274 CegarLoopResult]: For program point L300(lines 300 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,858 INFO L274 CegarLoopResult]: For program point L1159(lines 1159 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,858 INFO L274 CegarLoopResult]: For program point L1556(lines 1556 1773) no Hoare annotation was computed. [2020-11-29 19:57:56,858 INFO L274 CegarLoopResult]: For program point L499(lines 499 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,858 INFO L274 CegarLoopResult]: For program point L169-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,859 INFO L274 CegarLoopResult]: For program point L103-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,859 INFO L274 CegarLoopResult]: For program point L37-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,859 INFO L274 CegarLoopResult]: For program point L1028(lines 1028 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,859 INFO L274 CegarLoopResult]: For program point L434(lines 434 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,859 INFO L274 CegarLoopResult]: For program point L1425(lines 1425 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,859 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-11-29 19:57:56,860 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-11-29 19:57:56,860 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-11-29 19:57:56,860 INFO L274 CegarLoopResult]: For program point L1756(lines 1756 1773) no Hoare annotation was computed. [2020-11-29 19:57:56,860 INFO L274 CegarLoopResult]: For program point L1096(lines 1096 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,861 INFO L274 CegarLoopResult]: For program point L964(lines 964 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,861 INFO L274 CegarLoopResult]: For program point L898(lines 898 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,861 INFO L274 CegarLoopResult]: For program point L832(lines 832 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,862 INFO L274 CegarLoopResult]: For program point L634(lines 634 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,862 INFO L274 CegarLoopResult]: For program point L172-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,862 INFO L274 CegarLoopResult]: For program point L106-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,862 INFO L274 CegarLoopResult]: For program point L40-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,862 INFO L274 CegarLoopResult]: For program point L701(lines 701 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,862 INFO L274 CegarLoopResult]: For program point L1692(lines 1692 1773) no Hoare annotation was computed. [2020-11-29 19:57:56,862 INFO L274 CegarLoopResult]: For program point L1626(lines 1626 1773) no Hoare annotation was computed. [2020-11-29 19:57:56,863 INFO L274 CegarLoopResult]: For program point L1494(lines 1494 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,863 INFO L274 CegarLoopResult]: For program point L437(lines 437 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,863 INFO L274 CegarLoopResult]: For program point L371(lines 371 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,863 INFO L274 CegarLoopResult]: For program point L1296(lines 1296 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,863 INFO L274 CegarLoopResult]: For program point L239(lines 239 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,863 INFO L274 CegarLoopResult]: For program point L1230(lines 1230 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,864 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-11-29 19:57:56,864 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-11-29 19:57:56,864 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-11-29 19:57:56,864 INFO L274 CegarLoopResult]: For program point L768(lines 768 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,864 INFO L274 CegarLoopResult]: For program point L570(lines 570 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,864 INFO L274 CegarLoopResult]: For program point L1363(lines 1363 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,864 INFO L274 CegarLoopResult]: For program point L1165(lines 1165 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,865 INFO L274 CegarLoopResult]: For program point L505(lines 505 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,865 INFO L274 CegarLoopResult]: For program point L307(lines 307 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,865 INFO L274 CegarLoopResult]: For program point L175-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,865 INFO L274 CegarLoopResult]: For program point L109-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,865 INFO L274 CegarLoopResult]: For program point L43-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,865 INFO L274 CegarLoopResult]: For program point L1563(lines 1563 1773) no Hoare annotation was computed. [2020-11-29 19:57:56,866 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-11-29 19:57:56,867 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-11-29 19:57:56,867 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-11-29 19:57:56,867 INFO L274 CegarLoopResult]: For program point L1035(lines 1035 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,867 INFO L274 CegarLoopResult]: For program point L1762(lines 1762 1773) no Hoare annotation was computed. [2020-11-29 19:57:56,867 INFO L274 CegarLoopResult]: For program point L1432(lines 1432 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,868 INFO L274 CegarLoopResult]: For program point L1102(lines 1102 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,868 INFO L274 CegarLoopResult]: For program point L904(lines 904 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,868 INFO L274 CegarLoopResult]: For program point L838(lines 838 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,868 INFO L274 CegarLoopResult]: For program point L706(lines 706 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,868 INFO L274 CegarLoopResult]: For program point L1697(lines 1697 1773) no Hoare annotation was computed. [2020-11-29 19:57:56,868 INFO L274 CegarLoopResult]: For program point L1301(lines 1301 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,868 INFO L274 CegarLoopResult]: For program point L178-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,869 INFO L274 CegarLoopResult]: For program point L112-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,869 INFO L274 CegarLoopResult]: For program point L46-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,869 INFO L274 CegarLoopResult]: For program point L971(lines 971 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,869 INFO L274 CegarLoopResult]: For program point L773(lines 773 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,869 INFO L274 CegarLoopResult]: For program point L641(lines 641 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,869 INFO L274 CegarLoopResult]: For program point L1632(lines 1632 1773) no Hoare annotation was computed. [2020-11-29 19:57:56,869 INFO L274 CegarLoopResult]: For program point L377(lines 377 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,870 INFO L274 CegarLoopResult]: For program point L1368(lines 1368 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,870 INFO L274 CegarLoopResult]: For program point L245(lines 245 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,870 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-11-29 19:57:56,870 INFO L274 CegarLoopResult]: For program point L1170(lines 1170 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,870 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-11-29 19:57:56,870 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-11-29 19:57:56,873 INFO L270 CegarLoopResult]: At program point L1501(lines 33 1502) the Hoare annotation is: (let ((.cse0 (= ~a12~0 8)) (.cse2 (= ~a16~0 9)) (.cse1 (<= ~a15~0 3)) (.cse5 (<= (+ ~a18~0 76) 0)) (.cse3 (<= ~a16~0 8)) (.cse4 (<= ~a16~0 11))) (or (and .cse0 .cse1) (and .cse2 .cse0) (and (<= 4 ~a15~0) .cse3) (and .cse2 (<= ~a12~0 7)) (and .cse2 .cse1) (and (= ~a12~0 6) .cse4) (and .cse2 .cse5) (and (<= 11 ~a16~0) .cse1) (and .cse5 .cse3) (and .cse4 (<= ~a12~0 5)) (and (= ~a12~0 9) (= ~a15~0 3) (< 134 ~a18~0) (= ~a16~0 8)))) [2020-11-29 19:57:56,873 INFO L274 CegarLoopResult]: For program point L444(lines 444 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,873 INFO L274 CegarLoopResult]: For program point L1237(lines 1237 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,873 INFO L274 CegarLoopResult]: For program point L577(lines 577 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,874 INFO L274 CegarLoopResult]: For program point L511(lines 511 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,875 INFO L274 CegarLoopResult]: For program point L313(lines 313 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,875 INFO L274 CegarLoopResult]: For program point L181-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,875 INFO L274 CegarLoopResult]: For program point L115-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,875 INFO L274 CegarLoopResult]: For program point L49-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,875 INFO L274 CegarLoopResult]: For program point L1767(lines 1767 1773) no Hoare annotation was computed. [2020-11-29 19:57:56,875 INFO L274 CegarLoopResult]: For program point L1569(lines 1569 1773) no Hoare annotation was computed. [2020-11-29 19:57:56,876 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-11-29 19:57:56,876 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-11-29 19:57:56,876 INFO L274 CegarLoopResult]: For program point L1107(lines 1107 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,876 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-11-29 19:57:56,876 INFO L274 CegarLoopResult]: For program point L1041(lines 1041 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,876 INFO L274 CegarLoopResult]: For program point L909(lines 909 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,877 INFO L274 CegarLoopResult]: For program point L1438(lines 1438 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,877 INFO L274 CegarLoopResult]: For program point L844(lines 844 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,877 INFO L274 CegarLoopResult]: For program point L1703(lines 1703 1773) no Hoare annotation was computed. [2020-11-29 19:57:56,877 INFO L274 CegarLoopResult]: For program point L646(lines 646 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,877 INFO L274 CegarLoopResult]: For program point L1307(lines 1307 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,877 INFO L274 CegarLoopResult]: For program point L250(lines 250 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,877 INFO L274 CegarLoopResult]: For program point L184-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,878 INFO L274 CegarLoopResult]: For program point L118-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,878 INFO L274 CegarLoopResult]: For program point L52-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,878 INFO L274 CegarLoopResult]: For program point L977(lines 977 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,878 INFO L274 CegarLoopResult]: For program point L779(lines 779 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,878 INFO L274 CegarLoopResult]: For program point L713(lines 713 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,878 INFO L274 CegarLoopResult]: For program point L1638(lines 1638 1773) no Hoare annotation was computed. [2020-11-29 19:57:56,878 INFO L274 CegarLoopResult]: For program point L383(lines 383 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,879 INFO L274 CegarLoopResult]: For program point L1374(lines 1374 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,879 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-11-29 19:57:56,879 INFO L274 CegarLoopResult]: For program point L1176(lines 1176 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,879 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-11-29 19:57:56,879 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-11-29 19:57:56,879 INFO L274 CegarLoopResult]: For program point L1507(lines 1507 1773) no Hoare annotation was computed. [2020-11-29 19:57:56,880 INFO L274 CegarLoopResult]: For program point L450(lines 450 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,880 INFO L274 CegarLoopResult]: For program point L583(lines 583 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,880 INFO L274 CegarLoopResult]: For program point L319(lines 319 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,880 INFO L274 CegarLoopResult]: For program point L1244(lines 1244 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,881 INFO L274 CegarLoopResult]: For program point L187-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,881 INFO L274 CegarLoopResult]: For program point L121-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,881 INFO L274 CegarLoopResult]: For program point L55-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,881 INFO L274 CegarLoopResult]: For program point L1046(lines 1046 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,881 INFO L274 CegarLoopResult]: For program point L716(lines 716 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,881 INFO L274 CegarLoopResult]: For program point L518(lines 518 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,881 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-11-29 19:57:56,882 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-11-29 19:57:56,882 INFO L274 CegarLoopResult]: For program point L1113(lines 1113 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,882 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-11-29 19:57:56,882 INFO L274 CegarLoopResult]: For program point L915(lines 915 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,882 INFO L270 CegarLoopResult]: At program point L1774(lines 1504 1775) the Hoare annotation is: (let ((.cse0 (= ~a12~0 8)) (.cse2 (= ~a16~0 9)) (.cse1 (<= ~a15~0 3)) (.cse5 (<= (+ ~a18~0 76) 0)) (.cse3 (<= ~a16~0 8)) (.cse4 (<= ~a16~0 11))) (or (and .cse0 .cse1) (and .cse2 .cse0) (and (<= 4 ~a15~0) .cse3) (and .cse2 (<= ~a12~0 7)) (and .cse2 .cse1) (and (= ~a12~0 6) .cse4) (and .cse2 .cse5) (and (<= 11 ~a16~0) .cse1) (and .cse5 .cse3) (and .cse4 (<= ~a12~0 5)))) [2020-11-29 19:57:56,882 INFO L274 CegarLoopResult]: For program point L651(lines 651 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,883 INFO L274 CegarLoopResult]: For program point L1576(lines 1576 1773) no Hoare annotation was computed. [2020-11-29 19:57:56,883 INFO L274 CegarLoopResult]: For program point L453(lines 453 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,883 INFO L274 CegarLoopResult]: For program point L1444(lines 1444 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,883 INFO L274 CegarLoopResult]: For program point L850(lines 850 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,883 INFO L274 CegarLoopResult]: For program point L1709(lines 1709 1773) no Hoare annotation was computed. [2020-11-29 19:57:56,883 INFO L274 CegarLoopResult]: For program point L1643(lines 1643 1773) no Hoare annotation was computed. [2020-11-29 19:57:56,883 INFO L274 CegarLoopResult]: For program point L1313(lines 1313 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,884 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 19:57:56,884 INFO L274 CegarLoopResult]: For program point L256(lines 256 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,885 INFO L274 CegarLoopResult]: For program point L190-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,885 INFO L274 CegarLoopResult]: For program point L124-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,885 INFO L274 CegarLoopResult]: For program point L58-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,885 INFO L274 CegarLoopResult]: For program point L785(lines 785 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,886 INFO L274 CegarLoopResult]: For program point L1380(lines 1380 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,886 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-11-29 19:57:56,886 INFO L274 CegarLoopResult]: For program point L1182(lines 1182 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,886 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-11-29 19:57:56,886 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-11-29 19:57:56,886 INFO L274 CegarLoopResult]: For program point L984(lines 984 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,886 INFO L277 CegarLoopResult]: At program point L1777(lines 1777 1793) the Hoare annotation is: true [2020-11-29 19:57:56,887 INFO L274 CegarLoopResult]: For program point L588(lines 588 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,887 INFO L274 CegarLoopResult]: For program point L1513(lines 1513 1773) no Hoare annotation was computed. [2020-11-29 19:57:56,887 INFO L274 CegarLoopResult]: For program point L390(lines 390 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,887 INFO L274 CegarLoopResult]: For program point L325(lines 325 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,887 INFO L274 CegarLoopResult]: For program point L193-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,887 INFO L274 CegarLoopResult]: For program point L127-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,887 INFO L274 CegarLoopResult]: For program point L61-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,888 INFO L274 CegarLoopResult]: For program point L1052(lines 1052 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,888 INFO L274 CegarLoopResult]: For program point L788(lines 788 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,888 INFO L274 CegarLoopResult]: For program point L722(lines 722 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,888 INFO L274 CegarLoopResult]: For program point L1251(lines 1251 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,888 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-11-29 19:57:56,888 INFO L274 CegarLoopResult]: For program point L1185(lines 1185 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,888 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-11-29 19:57:56,889 INFO L274 CegarLoopResult]: For program point L1119(lines 1119 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,889 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-11-29 19:57:56,889 INFO L274 CegarLoopResult]: For program point L1714(lines 1714 1773) no Hoare annotation was computed. [2020-11-29 19:57:56,889 INFO L274 CegarLoopResult]: For program point L1648(lines 1648 1773) no Hoare annotation was computed. [2020-11-29 19:57:56,889 INFO L274 CegarLoopResult]: For program point L525(lines 525 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,889 INFO L274 CegarLoopResult]: For program point L459(lines 459 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,889 INFO L274 CegarLoopResult]: For program point L1450(lines 1450 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,890 INFO L274 CegarLoopResult]: For program point L922(lines 922 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,890 INFO L274 CegarLoopResult]: For program point L856(lines 856 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,890 INFO L274 CegarLoopResult]: For program point L658(lines 658 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,890 INFO L274 CegarLoopResult]: For program point L1583(lines 1583 1773) no Hoare annotation was computed. [2020-11-29 19:57:56,890 INFO L274 CegarLoopResult]: For program point L1385(lines 1385 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,890 INFO L274 CegarLoopResult]: For program point L1319(lines 1319 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,891 INFO L274 CegarLoopResult]: For program point L262(lines 262 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,891 INFO L274 CegarLoopResult]: For program point L196-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,891 INFO L274 CegarLoopResult]: For program point L130-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,891 INFO L274 CegarLoopResult]: For program point L64-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,891 INFO L274 CegarLoopResult]: For program point L989(lines 989 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,891 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-11-29 19:57:56,891 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-11-29 19:57:56,891 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-11-29 19:57:56,892 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 19:57:56,892 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2020-11-29 19:57:56,893 INFO L270 CegarLoopResult]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (let ((.cse0 (= ~a12~0 8)) (.cse2 (= ~a16~0 9)) (.cse1 (<= ~a15~0 3)) (.cse5 (<= (+ ~a18~0 76) 0)) (.cse3 (<= ~a16~0 8)) (.cse4 (<= ~a16~0 11))) (or (and .cse0 .cse1) (and .cse2 .cse0) (and (<= 4 ~a15~0) .cse3) (and .cse2 (<= ~a12~0 7)) (and .cse2 .cse1) (and (= ~a12~0 6) .cse4) (and .cse2 .cse5) (and (<= 11 ~a16~0) .cse1) (and .cse5 .cse3) (and .cse4 (<= ~a12~0 5)) (and (= ~a12~0 9) (= ~a15~0 3) (< 134 ~a18~0) (= ~a16~0 8)))) [2020-11-29 19:57:56,893 INFO L274 CegarLoopResult]: For program point L594(lines 594 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,893 INFO L274 CegarLoopResult]: For program point L396(lines 396 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,893 INFO L274 CegarLoopResult]: For program point L727(lines 727 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,893 INFO L274 CegarLoopResult]: For program point L1520(lines 1520 1773) no Hoare annotation was computed. [2020-11-29 19:57:56,894 INFO L274 CegarLoopResult]: For program point L331(lines 331 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,894 INFO L274 CegarLoopResult]: For program point L199-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,894 INFO L274 CegarLoopResult]: For program point L133-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,894 INFO L274 CegarLoopResult]: For program point L1124(lines 1124 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,894 INFO L274 CegarLoopResult]: For program point L67-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,894 INFO L274 CegarLoopResult]: For program point L1058(lines 1058 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,895 INFO L274 CegarLoopResult]: For program point L794(lines 794 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,895 INFO L274 CegarLoopResult]: For program point L1719(lines 1719 1773) no Hoare annotation was computed. [2020-11-29 19:57:56,895 INFO L274 CegarLoopResult]: For program point L464(lines 464 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,895 INFO L274 CegarLoopResult]: For program point L1257(lines 1257 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,895 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-11-29 19:57:56,895 INFO L274 CegarLoopResult]: For program point L1191(lines 1191 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,895 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-11-29 19:57:56,896 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-11-29 19:57:56,896 INFO L274 CegarLoopResult]: For program point L927(lines 927 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,896 INFO L274 CegarLoopResult]: For program point L861(lines 861 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,896 INFO L274 CegarLoopResult]: For program point L531(lines 531 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,896 INFO L274 CegarLoopResult]: For program point L1456(lines 1456 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,896 INFO L274 CegarLoopResult]: For program point L1324(lines 1324 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,896 INFO L274 CegarLoopResult]: For program point L267(lines 267 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,897 INFO L274 CegarLoopResult]: For program point L1655(lines 1655 1773) no Hoare annotation was computed. [2020-11-29 19:57:56,897 INFO L274 CegarLoopResult]: For program point L1589(lines 1589 1773) no Hoare annotation was computed. [2020-11-29 19:57:56,897 INFO L274 CegarLoopResult]: For program point L1391(lines 1391 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,897 INFO L274 CegarLoopResult]: For program point L202-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,897 INFO L274 CegarLoopResult]: For program point L136-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,897 INFO L274 CegarLoopResult]: For program point L70-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,897 INFO L274 CegarLoopResult]: For program point L1788(line 1788) no Hoare annotation was computed. [2020-11-29 19:57:56,898 INFO L274 CegarLoopResult]: For program point L665(lines 665 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,898 INFO L274 CegarLoopResult]: For program point L599(lines 599 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,898 INFO L274 CegarLoopResult]: For program point L467(lines 467 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,898 INFO L274 CegarLoopResult]: For program point L401(lines 401 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,898 INFO L274 CegarLoopResult]: For program point L1260(lines 1260 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,898 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-11-29 19:57:56,898 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-11-29 19:57:56,899 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-11-29 19:57:56,899 INFO L274 CegarLoopResult]: For program point L996(lines 996 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,899 INFO L274 CegarLoopResult]: For program point L1525(lines 1525 1773) no Hoare annotation was computed. [2020-11-29 19:57:56,899 INFO L274 CegarLoopResult]: For program point L1459(lines 1459 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,899 INFO L274 CegarLoopResult]: For program point L799(lines 799 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,899 INFO L274 CegarLoopResult]: For program point L733(lines 733 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,899 INFO L274 CegarLoopResult]: For program point L337(lines 337 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,900 INFO L274 CegarLoopResult]: For program point L205-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,900 INFO L274 CegarLoopResult]: For program point L139-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,900 INFO L274 CegarLoopResult]: For program point L1130(lines 1130 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,900 INFO L274 CegarLoopResult]: For program point L73-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,900 INFO L274 CegarLoopResult]: For program point L932(lines 932 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,900 INFO L274 CegarLoopResult]: For program point L1725(lines 1725 1773) no Hoare annotation was computed. [2020-11-29 19:57:56,900 INFO L274 CegarLoopResult]: For program point L272(lines 272 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,901 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-11-29 19:57:56,902 INFO L274 CegarLoopResult]: For program point L1197(lines 1197 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,902 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-11-29 19:57:56,903 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-11-29 19:57:56,903 INFO L274 CegarLoopResult]: For program point L1065(lines 1065 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,903 INFO L274 CegarLoopResult]: For program point L867(lines 867 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,903 INFO L274 CegarLoopResult]: For program point L537(lines 537 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,904 INFO L274 CegarLoopResult]: For program point L1396(lines 1396 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,904 INFO L274 CegarLoopResult]: For program point L1661(lines 1661 1773) no Hoare annotation was computed. [2020-11-29 19:57:56,904 INFO L274 CegarLoopResult]: For program point L604(lines 604 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,905 INFO L274 CegarLoopResult]: For program point L1595(lines 1595 1773) no Hoare annotation was computed. [2020-11-29 19:57:56,905 INFO L274 CegarLoopResult]: For program point L1331(lines 1331 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,906 INFO L274 CegarLoopResult]: For program point L208-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,906 INFO L274 CegarLoopResult]: For program point L142-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,906 INFO L274 CegarLoopResult]: For program point L76-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,906 INFO L274 CegarLoopResult]: For program point L671(lines 671 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,909 INFO L274 CegarLoopResult]: For program point L473(lines 473 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,909 INFO L274 CegarLoopResult]: For program point L1266(lines 1266 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,910 INFO L274 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-11-29 19:57:56,910 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-11-29 19:57:56,910 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-11-29 19:57:56,910 INFO L274 CegarLoopResult]: For program point L738(lines 738 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,910 INFO L274 CegarLoopResult]: For program point L1531(lines 1531 1773) no Hoare annotation was computed. [2020-11-29 19:57:56,910 INFO L274 CegarLoopResult]: For program point L408(lines 408 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,911 INFO L274 CegarLoopResult]: For program point L1135(lines 1135 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,911 INFO L274 CegarLoopResult]: For program point L1003(lines 1003 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,911 INFO L274 CegarLoopResult]: For program point L1466(lines 1466 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,911 INFO L274 CegarLoopResult]: For program point L343(lines 343 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,911 INFO L274 CegarLoopResult]: For program point L211-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,911 INFO L274 CegarLoopResult]: For program point L145-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,911 INFO L274 CegarLoopResult]: For program point L79-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,912 INFO L274 CegarLoopResult]: For program point L13(line 13) no Hoare annotation was computed. [2020-11-29 19:57:56,912 INFO L274 CegarLoopResult]: For program point L806(lines 806 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,912 INFO L274 CegarLoopResult]: For program point L1731(lines 1731 1773) no Hoare annotation was computed. [2020-11-29 19:57:56,912 INFO L274 CegarLoopResult]: For program point L674(lines 674 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,912 INFO L274 CegarLoopResult]: For program point L278(lines 278 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,912 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-11-29 19:57:56,912 INFO L274 CegarLoopResult]: For program point L1203(lines 1203 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,912 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-11-29 19:57:56,913 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-11-29 19:57:56,913 INFO L274 CegarLoopResult]: For program point L1071(lines 1071 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,914 INFO L274 CegarLoopResult]: For program point L939(lines 939 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,914 INFO L274 CegarLoopResult]: For program point L873(lines 873 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,914 INFO L274 CegarLoopResult]: For program point L1666(lines 1666 1773) no Hoare annotation was computed. [2020-11-29 19:57:56,914 INFO L274 CegarLoopResult]: For program point L543(lines 543 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,914 INFO L274 CegarLoopResult]: For program point L1402(lines 1402 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,914 INFO L274 CegarLoopResult]: For program point L610(lines 610 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,915 INFO L274 CegarLoopResult]: For program point L1601(lines 1601 1773) no Hoare annotation was computed. [2020-11-29 19:57:56,915 INFO L274 CegarLoopResult]: For program point L1337(lines 1337 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,915 INFO L274 CegarLoopResult]: For program point L214-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,915 INFO L274 CegarLoopResult]: For program point L148-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,915 INFO L274 CegarLoopResult]: For program point L82-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,915 INFO L274 CegarLoopResult]: For program point L479(lines 479 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,915 INFO L274 CegarLoopResult]: For program point L1272(lines 1272 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,915 INFO L274 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-11-29 19:57:56,916 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-29 19:57:56,916 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-11-29 19:57:56,916 INFO L274 CegarLoopResult]: For program point L744(lines 744 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,916 INFO L274 CegarLoopResult]: For program point L1537(lines 1537 1773) no Hoare annotation was computed. [2020-11-29 19:57:56,916 INFO L274 CegarLoopResult]: For program point L1471(lines 1471 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,916 INFO L274 CegarLoopResult]: For program point L414(lines 414 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,916 INFO L274 CegarLoopResult]: For program point L348(lines 348 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,917 INFO L274 CegarLoopResult]: For program point L1141(lines 1141 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,917 INFO L274 CegarLoopResult]: For program point L1009(lines 1009 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,917 INFO L274 CegarLoopResult]: For program point L151-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,917 INFO L274 CegarLoopResult]: For program point L85-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,917 INFO L274 CegarLoopResult]: For program point L812(lines 812 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,917 INFO L274 CegarLoopResult]: For program point L1737(lines 1737 1773) no Hoare annotation was computed. [2020-11-29 19:57:56,917 INFO L274 CegarLoopResult]: For program point L680(lines 680 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,917 INFO L274 CegarLoopResult]: For program point L548(lines 548 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,918 INFO L274 CegarLoopResult]: For program point L1407(lines 1407 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,918 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 19:57:56,918 INFO L274 CegarLoopResult]: For program point L284(lines 284 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,918 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-11-29 19:57:56,918 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-11-29 19:57:56,918 INFO L274 CegarLoopResult]: For program point L1077(lines 1077 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,918 INFO L274 CegarLoopResult]: For program point L945(lines 945 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,919 INFO L274 CegarLoopResult]: For program point L879(lines 879 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,919 INFO L274 CegarLoopResult]: For program point L1210(lines 1210 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,919 INFO L274 CegarLoopResult]: For program point L1673(lines 1673 1773) no Hoare annotation was computed. [2020-11-29 19:57:56,919 INFO L274 CegarLoopResult]: For program point L616(lines 616 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,919 INFO L274 CegarLoopResult]: For program point L1607(lines 1607 1773) no Hoare annotation was computed. [2020-11-29 19:57:56,919 INFO L274 CegarLoopResult]: For program point L1277(lines 1277 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,919 INFO L274 CegarLoopResult]: For program point L154-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,919 INFO L274 CegarLoopResult]: For program point L88-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,920 INFO L274 CegarLoopResult]: For program point L1476(lines 1476 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,920 INFO L274 CegarLoopResult]: For program point L1344(lines 1344 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,920 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-11-29 19:57:56,920 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-11-29 19:57:56,920 INFO L274 CegarLoopResult]: For program point L486(lines 486 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,920 INFO L274 CegarLoopResult]: For program point L1147(lines 1147 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,920 INFO L274 CegarLoopResult]: For program point L1015(lines 1015 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,921 INFO L274 CegarLoopResult]: For program point L751(lines 751 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,921 INFO L274 CegarLoopResult]: For program point L553(lines 553 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,921 INFO L274 CegarLoopResult]: For program point L1544(lines 1544 1773) no Hoare annotation was computed. [2020-11-29 19:57:56,921 INFO L274 CegarLoopResult]: For program point L421(lines 421 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,921 INFO L274 CegarLoopResult]: For program point L355(lines 355 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,921 INFO L274 CegarLoopResult]: For program point L289(lines 289 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,921 INFO L274 CegarLoopResult]: For program point L223(lines 223 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,921 INFO L274 CegarLoopResult]: For program point L157-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,922 INFO L274 CegarLoopResult]: For program point L91-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,922 INFO L274 CegarLoopResult]: For program point L818(lines 818 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,922 INFO L274 CegarLoopResult]: For program point L1743(lines 1743 1773) no Hoare annotation was computed. [2020-11-29 19:57:56,922 INFO L274 CegarLoopResult]: For program point L1413(lines 1413 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,922 INFO L274 CegarLoopResult]: For program point L1215(lines 1215 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,922 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-11-29 19:57:56,922 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-11-29 19:57:56,923 INFO L274 CegarLoopResult]: For program point L1083(lines 1083 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,923 INFO L274 CegarLoopResult]: For program point L885(lines 885 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,923 INFO L274 CegarLoopResult]: For program point L687(lines 687 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,923 INFO L274 CegarLoopResult]: For program point L952(lines 952 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,923 INFO L274 CegarLoopResult]: For program point L1679(lines 1679 1773) no Hoare annotation was computed. [2020-11-29 19:57:56,923 INFO L274 CegarLoopResult]: For program point L622(lines 622 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,923 INFO L274 CegarLoopResult]: For program point L1613(lines 1613 1773) no Hoare annotation was computed. [2020-11-29 19:57:56,924 INFO L274 CegarLoopResult]: For program point L160-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,924 INFO L274 CegarLoopResult]: For program point L94-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,924 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 19:57:56,924 INFO L274 CegarLoopResult]: For program point L1482(lines 1482 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,924 INFO L274 CegarLoopResult]: For program point L1284(lines 1284 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,924 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-11-29 19:57:56,924 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-11-29 19:57:56,924 INFO L274 CegarLoopResult]: For program point L756(lines 756 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,925 INFO L274 CegarLoopResult]: For program point L690(lines 690 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,925 INFO L274 CegarLoopResult]: For program point L558(lines 558 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,925 INFO L274 CegarLoopResult]: For program point L360(lines 360 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,925 INFO L274 CegarLoopResult]: For program point L1351(lines 1351 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,925 INFO L274 CegarLoopResult]: For program point L228(lines 228 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,925 INFO L274 CegarLoopResult]: For program point L1153(lines 1153 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,925 INFO L274 CegarLoopResult]: For program point L1021(lines 1021 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,926 INFO L274 CegarLoopResult]: For program point L1550(lines 1550 1773) no Hoare annotation was computed. [2020-11-29 19:57:56,926 INFO L274 CegarLoopResult]: For program point L493(lines 493 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,926 INFO L274 CegarLoopResult]: For program point L427(lines 427 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,926 INFO L274 CegarLoopResult]: For program point L295(lines 295 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,926 INFO L274 CegarLoopResult]: For program point L163-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,926 INFO L274 CegarLoopResult]: For program point L97-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,926 INFO L274 CegarLoopResult]: For program point L1749(lines 1749 1773) no Hoare annotation was computed. [2020-11-29 19:57:56,926 INFO L274 CegarLoopResult]: For program point L1419(lines 1419 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,927 INFO L274 CegarLoopResult]: For program point L1221(lines 1221 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,927 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-11-29 19:57:56,927 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-11-29 19:57:56,927 INFO L274 CegarLoopResult]: For program point L1089(lines 1089 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,927 INFO L274 CegarLoopResult]: For program point L825(lines 825 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,927 INFO L274 CegarLoopResult]: For program point L958(lines 958 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,927 INFO L274 CegarLoopResult]: For program point L892(lines 892 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,928 INFO L274 CegarLoopResult]: For program point L1685(lines 1685 1773) no Hoare annotation was computed. [2020-11-29 19:57:56,928 INFO L274 CegarLoopResult]: For program point L628(lines 628 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,928 INFO L274 CegarLoopResult]: For program point L1619(lines 1619 1773) no Hoare annotation was computed. [2020-11-29 19:57:56,928 INFO L274 CegarLoopResult]: For program point L1487(lines 1487 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,928 INFO L274 CegarLoopResult]: For program point L166-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,928 INFO L274 CegarLoopResult]: For program point L100-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,928 INFO L274 CegarLoopResult]: For program point L34(lines 34 36) no Hoare annotation was computed. [2020-11-29 19:57:56,929 INFO L274 CegarLoopResult]: For program point L34-2(lines 33 1502) no Hoare annotation was computed. [2020-11-29 19:57:56,929 INFO L274 CegarLoopResult]: For program point L1290(lines 1290 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,929 INFO L274 CegarLoopResult]: For program point L233(lines 233 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,929 INFO L274 CegarLoopResult]: For program point L1224(lines 1224 1500) no Hoare annotation was computed. [2020-11-29 19:57:56,929 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-11-29 19:57:56,929 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-11-29 19:57:56,929 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-11-29 19:57:56,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:57:56 BoogieIcfgContainer [2020-11-29 19:57:56,955 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 19:57:56,956 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:57:56,956 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:57:56,956 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:57:56,957 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:57:02" (3/4) ... [2020-11-29 19:57:56,963 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 19:57:57,034 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-11-29 19:57:57,039 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 19:57:57,043 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:57:57,048 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:57:57,350 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b49ff845-394c-4d06-9b67-2c8108609887/bin/uautomizer/witness.graphml [2020-11-29 19:57:57,351 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:57:57,352 INFO L168 Benchmark]: Toolchain (without parser) took 60358.71 ms. Allocated memory was 83.9 MB in the beginning and 2.8 GB in the end (delta: 2.7 GB). Free memory was 44.9 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 1.1 GB. Max. memory is 16.1 GB. [2020-11-29 19:57:57,352 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 83.9 MB. Free memory was 56.8 MB in the beginning and 56.7 MB in the end (delta: 27.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:57:57,353 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1462.49 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 44.7 MB in the beginning and 50.7 MB in the end (delta: -6.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. [2020-11-29 19:57:57,354 INFO L168 Benchmark]: Boogie Procedure Inliner took 279.23 ms. Allocated memory is still 100.7 MB. Free memory was 50.7 MB in the beginning and 54.0 MB in the end (delta: -3.3 MB). Peak memory consumption was 27.5 MB. Max. memory is 16.1 GB. [2020-11-29 19:57:57,354 INFO L168 Benchmark]: Boogie Preprocessor took 206.05 ms. Allocated memory is still 100.7 MB. Free memory was 54.0 MB in the beginning and 39.5 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 19:57:57,355 INFO L168 Benchmark]: RCFGBuilder took 3611.95 ms. Allocated memory was 100.7 MB in the beginning and 186.6 MB in the end (delta: 86.0 MB). Free memory was 39.5 MB in the beginning and 70.4 MB in the end (delta: -30.9 MB). Peak memory consumption was 60.0 MB. Max. memory is 16.1 GB. [2020-11-29 19:57:57,355 INFO L168 Benchmark]: TraceAbstraction took 54390.84 ms. Allocated memory was 186.6 MB in the beginning and 2.8 GB in the end (delta: 2.6 GB). Free memory was 70.4 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 1.0 GB. Max. memory is 16.1 GB. [2020-11-29 19:57:57,356 INFO L168 Benchmark]: Witness Printer took 395.01 ms. Allocated memory is still 2.8 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. [2020-11-29 19:57:57,358 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 83.9 MB. Free memory was 56.8 MB in the beginning and 56.7 MB in the end (delta: 27.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1462.49 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 44.7 MB in the beginning and 50.7 MB in the end (delta: -6.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 279.23 ms. Allocated memory is still 100.7 MB. Free memory was 50.7 MB in the beginning and 54.0 MB in the end (delta: -3.3 MB). Peak memory consumption was 27.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 206.05 ms. Allocated memory is still 100.7 MB. Free memory was 54.0 MB in the beginning and 39.5 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3611.95 ms. Allocated memory was 100.7 MB in the beginning and 186.6 MB in the end (delta: 86.0 MB). Free memory was 39.5 MB in the beginning and 70.4 MB in the end (delta: -30.9 MB). Peak memory consumption was 60.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 54390.84 ms. Allocated memory was 186.6 MB in the beginning and 2.8 GB in the end (delta: 2.6 GB). Free memory was 70.4 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 1.0 GB. Max. memory is 16.1 GB. * Witness Printer took 395.01 ms. Allocated memory is still 2.8 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 13]: 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: 1504]: Loop Invariant Derived loop invariant: (((((((((a12 == 8 && a15 <= 3) || (a16 == 9 && a12 == 8)) || (4 <= a15 && a16 <= 8)) || (a16 == 9 && a12 <= 7)) || (a16 == 9 && a15 <= 3)) || (a12 == 6 && a16 <= 11)) || (a16 == 9 && a18 + 76 <= 0)) || (11 <= a16 && a15 <= 3)) || (a18 + 76 <= 0 && a16 <= 8)) || (a16 <= 11 && a12 <= 5) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((((((((a12 == 8 && a15 <= 3) || (a16 == 9 && a12 == 8)) || (4 <= a15 && a16 <= 8)) || (a16 == 9 && a12 <= 7)) || (a16 == 9 && a15 <= 3)) || (a12 == 6 && a16 <= 11)) || (a16 == 9 && a18 + 76 <= 0)) || (11 <= a16 && a15 <= 3)) || (a18 + 76 <= 0 && a16 <= 8)) || (a16 <= 11 && a12 <= 5)) || (((a12 == 9 && a15 == 3) && 134 < a18) && a16 == 8) - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: ((((((((((a12 == 8 && a15 <= 3) || (a16 == 9 && a12 == 8)) || (4 <= a15 && a16 <= 8)) || (a16 == 9 && a12 <= 7)) || (a16 == 9 && a15 <= 3)) || (a12 == 6 && a16 <= 11)) || (a16 == 9 && a18 + 76 <= 0)) || (11 <= a16 && a15 <= 3)) || (a18 + 76 <= 0 && a16 <= 8)) || (a16 <= 11 && a12 <= 5)) || (((a12 == 9 && a15 == 3) && 134 < a18) && a16 == 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 397 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 52.2s, OverallIterations: 15, TraceHistogramMax: 9, AutomataDifference: 33.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3707 SDtfs, 4522 SDslu, 83 SDs, 0 SdLazy, 12130 SolverSat, 2458 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1113 GetRequests, 1089 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9545occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 15 MinimizatonAttempts, 1974 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 164 NumberOfFragments, 252 HoareAnnotationTreeSize, 4 FomulaSimplifications, 3247 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 4 FomulaSimplificationsInter, 1589 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 10791 NumberOfCodeBlocks, 10791 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 10774 ConstructedInterpolants, 0 QuantifiedInterpolants, 16355609 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1341 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 17 InterpolantComputations, 15 PerfectInterpolantSequences, 19167/19649 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...