./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label46.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_fbe15db3-7cdc-429a-8122-023ae0c1f175/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_fbe15db3-7cdc-429a-8122-023ae0c1f175/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fbe15db3-7cdc-429a-8122-023ae0c1f175/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fbe15db3-7cdc-429a-8122-023ae0c1f175/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label46.c -s /tmp/vcloud-vcloud-master/worker/run_dir_fbe15db3-7cdc-429a-8122-023ae0c1f175/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fbe15db3-7cdc-429a-8122-023ae0c1f175/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 92a01e6695cf7123f47033a13419f7d997344346 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:51:52,773 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:51:52,777 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:51:52,848 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:51:52,849 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:51:52,856 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:51:52,859 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:51:52,865 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:51:52,868 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:51:52,876 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:51:52,879 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:51:52,881 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:51:52,881 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:51:52,890 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:51:52,892 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:51:52,895 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:51:52,897 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:51:52,901 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:51:52,906 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:51:52,916 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:51:52,919 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:51:52,921 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:51:52,924 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:51:52,925 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:51:52,936 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:51:52,936 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:51:52,937 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:51:52,940 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:51:52,940 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:51:52,942 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:51:52,942 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:51:52,944 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:51:52,946 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:51:52,948 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:51:52,949 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:51:52,950 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:51:52,951 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:51:52,951 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:51:52,952 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:51:52,954 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:51:52,955 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:51:52,958 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fbe15db3-7cdc-429a-8122-023ae0c1f175/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 18:51:52,992 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:51:52,993 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:51:52,994 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:51:52,994 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:51:52,995 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 18:51:52,995 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:51:52,995 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:51:52,996 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:51:52,996 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:51:52,996 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:51:52,996 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 18:51:52,997 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 18:51:52,997 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 18:51:52,997 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:51:52,998 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:51:52,998 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:51:52,998 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 18:51:52,998 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:51:52,999 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 18:51:52,999 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 18:51:52,999 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 18:51:53,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 18:51:53,000 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:51:53,000 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 18:51:53,000 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 18:51:53,001 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 18:51:53,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 18:51:53,001 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 18:51:53,002 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 18:51:53,002 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_fbe15db3-7cdc-429a-8122-023ae0c1f175/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_fbe15db3-7cdc-429a-8122-023ae0c1f175/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 92a01e6695cf7123f47033a13419f7d997344346 [2020-11-29 18:51:53,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:51:53,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:51:53,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:51:53,447 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:51:53,448 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:51:53,449 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fbe15db3-7cdc-429a-8122-023ae0c1f175/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label46.c [2020-11-29 18:51:53,574 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fbe15db3-7cdc-429a-8122-023ae0c1f175/bin/uautomizer/data/0102ee56a/d28c3f8a39674531bdbf89f875333792/FLAG709714c4c [2020-11-29 18:51:54,307 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:51:54,307 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fbe15db3-7cdc-429a-8122-023ae0c1f175/sv-benchmarks/c/eca-rers2012/Problem02_label46.c [2020-11-29 18:51:54,328 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fbe15db3-7cdc-429a-8122-023ae0c1f175/bin/uautomizer/data/0102ee56a/d28c3f8a39674531bdbf89f875333792/FLAG709714c4c [2020-11-29 18:51:54,489 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fbe15db3-7cdc-429a-8122-023ae0c1f175/bin/uautomizer/data/0102ee56a/d28c3f8a39674531bdbf89f875333792 [2020-11-29 18:51:54,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:51:54,494 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:51:54,496 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:51:54,496 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:51:54,501 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:51:54,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:51:54" (1/1) ... [2020-11-29 18:51:54,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@670c5ccc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:51:54, skipping insertion in model container [2020-11-29 18:51:54,505 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:51:54" (1/1) ... [2020-11-29 18:51:54,516 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:51:54,596 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:51:55,174 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:51:55,186 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 18:51:55,343 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:51:55,368 INFO L208 MainTranslator]: Completed translation [2020-11-29 18:51:55,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:51:55 WrapperNode [2020-11-29 18:51:55,371 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:51:55,373 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 18:51:55,374 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 18:51:55,374 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 18:51:55,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:51:55" (1/1) ... [2020-11-29 18:51:55,408 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:51:55" (1/1) ... [2020-11-29 18:51:55,494 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 18:51:55,495 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 18:51:55,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 18:51:55,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 18:51:55,507 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:51:55" (1/1) ... [2020-11-29 18:51:55,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:51:55" (1/1) ... [2020-11-29 18:51:55,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:51:55" (1/1) ... [2020-11-29 18:51:55,513 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:51:55" (1/1) ... [2020-11-29 18:51:55,544 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:51:55" (1/1) ... [2020-11-29 18:51:55,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:51:55" (1/1) ... [2020-11-29 18:51:55,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:51:55" (1/1) ... [2020-11-29 18:51:55,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 18:51:55,575 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 18:51:55,575 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 18:51:55,576 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 18:51:55,577 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:51:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbe15db3-7cdc-429a-8122-023ae0c1f175/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 18:51:55,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 18:51:55,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 18:51:55,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 18:51:55,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 18:51:57,652 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 18:51:57,653 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 18:51:57,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:51:57 BoogieIcfgContainer [2020-11-29 18:51:57,659 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 18:51:57,664 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 18:51:57,665 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 18:51:57,669 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 18:51:57,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:51:54" (1/3) ... [2020-11-29 18:51:57,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69241e0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:51:57, skipping insertion in model container [2020-11-29 18:51:57,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:51:55" (2/3) ... [2020-11-29 18:51:57,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69241e0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:51:57, skipping insertion in model container [2020-11-29 18:51:57,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:51:57" (3/3) ... [2020-11-29 18:51:57,674 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label46.c [2020-11-29 18:51:57,695 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 18:51:57,701 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 18:51:57,715 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 18:51:57,771 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 18:51:57,775 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 18:51:57,776 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 18:51:57,776 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 18:51:57,776 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 18:51:57,778 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 18:51:57,778 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 18:51:57,778 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 18:51:57,809 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states. [2020-11-29 18:51:57,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-11-29 18:51:57,838 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:51:57,839 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:51:57,840 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:51:57,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:51:57,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1952388485, now seen corresponding path program 1 times [2020-11-29 18:51:57,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:51:57,860 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107597191] [2020-11-29 18:51:57,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:51:58,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:51:58,622 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 18:51:58,623 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107597191] [2020-11-29 18:51:58,624 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:51:58,625 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 18:51:58,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436127817] [2020-11-29 18:51:58,634 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:51:58,635 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:51:58,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:51:58,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:51:58,658 INFO L87 Difference]: Start difference. First operand 228 states. Second operand 3 states. [2020-11-29 18:52:00,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:52:00,131 INFO L93 Difference]: Finished difference Result 631 states and 1071 transitions. [2020-11-29 18:52:00,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:52:00,132 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2020-11-29 18:52:00,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:52:00,162 INFO L225 Difference]: With dead ends: 631 [2020-11-29 18:52:00,162 INFO L226 Difference]: Without dead ends: 318 [2020-11-29 18:52:00,173 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 18:52:00,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-11-29 18:52:00,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2020-11-29 18:52:00,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-11-29 18:52:00,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 467 transitions. [2020-11-29 18:52:00,292 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 467 transitions. Word has length 112 [2020-11-29 18:52:00,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:52:00,293 INFO L481 AbstractCegarLoop]: Abstraction has 318 states and 467 transitions. [2020-11-29 18:52:00,293 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:52:00,294 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 467 transitions. [2020-11-29 18:52:00,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-11-29 18:52:00,298 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:52:00,298 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:52:00,299 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 18:52:00,299 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:52:00,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:52:00,300 INFO L82 PathProgramCache]: Analyzing trace with hash 260484978, now seen corresponding path program 1 times [2020-11-29 18:52:00,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:52:00,301 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047035545] [2020-11-29 18:52:00,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:52:00,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:52:00,414 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:52:00,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047035545] [2020-11-29 18:52:00,415 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:52:00,415 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 18:52:00,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434218335] [2020-11-29 18:52:00,420 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:52:00,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:52:00,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:52:00,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:52:00,423 INFO L87 Difference]: Start difference. First operand 318 states and 467 transitions. Second operand 3 states. [2020-11-29 18:52:01,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:52:01,305 INFO L93 Difference]: Finished difference Result 919 states and 1357 transitions. [2020-11-29 18:52:01,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:52:01,306 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2020-11-29 18:52:01,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:52:01,309 INFO L225 Difference]: With dead ends: 919 [2020-11-29 18:52:01,309 INFO L226 Difference]: Without dead ends: 603 [2020-11-29 18:52:01,311 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 18:52:01,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2020-11-29 18:52:01,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 601. [2020-11-29 18:52:01,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2020-11-29 18:52:01,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 775 transitions. [2020-11-29 18:52:01,348 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 775 transitions. Word has length 116 [2020-11-29 18:52:01,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:52:01,349 INFO L481 AbstractCegarLoop]: Abstraction has 601 states and 775 transitions. [2020-11-29 18:52:01,349 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:52:01,349 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 775 transitions. [2020-11-29 18:52:01,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-11-29 18:52:01,354 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:52:01,354 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:52:01,355 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 18:52:01,355 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:52:01,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:52:01,356 INFO L82 PathProgramCache]: Analyzing trace with hash -1897975169, now seen corresponding path program 1 times [2020-11-29 18:52:01,356 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:52:01,356 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369847429] [2020-11-29 18:52:01,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:52:01,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:52:01,442 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:52:01,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369847429] [2020-11-29 18:52:01,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [305126410] [2020-11-29 18:52:01,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbe15db3-7cdc-429a-8122-023ae0c1f175/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 18:52:01,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:52:01,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 18:52:01,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:52:01,730 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 18:52:01,731 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 18:52:01,731 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-29 18:52:01,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231395490] [2020-11-29 18:52:01,732 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:52:01,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:52:01,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:52:01,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:52:01,734 INFO L87 Difference]: Start difference. First operand 601 states and 775 transitions. Second operand 3 states. [2020-11-29 18:52:02,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:52:02,961 INFO L93 Difference]: Finished difference Result 1486 states and 1970 transitions. [2020-11-29 18:52:02,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:52:02,962 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-11-29 18:52:02,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:52:02,970 INFO L225 Difference]: With dead ends: 1486 [2020-11-29 18:52:02,970 INFO L226 Difference]: Without dead ends: 887 [2020-11-29 18:52:02,972 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:52:02,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2020-11-29 18:52:03,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 885. [2020-11-29 18:52:03,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 885 states. [2020-11-29 18:52:03,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1142 transitions. [2020-11-29 18:52:03,046 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1142 transitions. Word has length 121 [2020-11-29 18:52:03,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:52:03,047 INFO L481 AbstractCegarLoop]: Abstraction has 885 states and 1142 transitions. [2020-11-29 18:52:03,047 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:52:03,047 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1142 transitions. [2020-11-29 18:52:03,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-11-29 18:52:03,053 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:52:03,054 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 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] [2020-11-29 18:52:03,272 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-11-29 18:52:03,273 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:52:03,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:52:03,273 INFO L82 PathProgramCache]: Analyzing trace with hash -684583336, now seen corresponding path program 2 times [2020-11-29 18:52:03,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:52:03,274 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135489693] [2020-11-29 18:52:03,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:52:03,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:52:03,454 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-29 18:52:03,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135489693] [2020-11-29 18:52:03,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [29214222] [2020-11-29 18:52:03,456 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbe15db3-7cdc-429a-8122-023ae0c1f175/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 18:52:03,601 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-29 18:52:03,602 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-29 18:52:03,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 18:52:03,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:52:03,724 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 18:52:03,724 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 18:52:03,725 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-29 18:52:03,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765550885] [2020-11-29 18:52:03,726 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:52:03,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:52:03,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:52:03,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:52:03,729 INFO L87 Difference]: Start difference. First operand 885 states and 1142 transitions. Second operand 3 states. [2020-11-29 18:52:04,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:52:04,671 INFO L93 Difference]: Finished difference Result 2050 states and 2650 transitions. [2020-11-29 18:52:04,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:52:04,672 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2020-11-29 18:52:04,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:52:04,680 INFO L225 Difference]: With dead ends: 2050 [2020-11-29 18:52:04,681 INFO L226 Difference]: Without dead ends: 1167 [2020-11-29 18:52:04,682 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:52:04,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1167 states. [2020-11-29 18:52:04,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1167 to 1165. [2020-11-29 18:52:04,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1165 states. [2020-11-29 18:52:04,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 1165 states and 1427 transitions. [2020-11-29 18:52:04,723 INFO L78 Accepts]: Start accepts. Automaton has 1165 states and 1427 transitions. Word has length 126 [2020-11-29 18:52:04,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:52:04,724 INFO L481 AbstractCegarLoop]: Abstraction has 1165 states and 1427 transitions. [2020-11-29 18:52:04,724 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:52:04,724 INFO L276 IsEmpty]: Start isEmpty. Operand 1165 states and 1427 transitions. [2020-11-29 18:52:04,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-11-29 18:52:04,731 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:52:04,732 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:52:04,944 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:52:04,945 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:52:04,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:52:04,945 INFO L82 PathProgramCache]: Analyzing trace with hash -1247868972, now seen corresponding path program 1 times [2020-11-29 18:52:04,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:52:04,946 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444935222] [2020-11-29 18:52:04,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:52:04,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:52:05,043 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-29 18:52:05,043 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444935222] [2020-11-29 18:52:05,043 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:52:05,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 18:52:05,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120622014] [2020-11-29 18:52:05,045 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:52:05,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:52:05,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:52:05,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:52:05,046 INFO L87 Difference]: Start difference. First operand 1165 states and 1427 transitions. Second operand 3 states. [2020-11-29 18:52:05,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:52:05,969 INFO L93 Difference]: Finished difference Result 3308 states and 4068 transitions. [2020-11-29 18:52:05,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:52:05,970 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2020-11-29 18:52:05,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:52:05,986 INFO L225 Difference]: With dead ends: 3308 [2020-11-29 18:52:05,986 INFO L226 Difference]: Without dead ends: 2145 [2020-11-29 18:52:05,989 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 18:52:05,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2145 states. [2020-11-29 18:52:06,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2145 to 2145. [2020-11-29 18:52:06,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2145 states. [2020-11-29 18:52:06,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2145 states to 2145 states and 2542 transitions. [2020-11-29 18:52:06,064 INFO L78 Accepts]: Start accepts. Automaton has 2145 states and 2542 transitions. Word has length 127 [2020-11-29 18:52:06,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:52:06,065 INFO L481 AbstractCegarLoop]: Abstraction has 2145 states and 2542 transitions. [2020-11-29 18:52:06,065 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:52:06,066 INFO L276 IsEmpty]: Start isEmpty. Operand 2145 states and 2542 transitions. [2020-11-29 18:52:06,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-11-29 18:52:06,072 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:52:06,072 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 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] [2020-11-29 18:52:06,072 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 18:52:06,074 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:52:06,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:52:06,075 INFO L82 PathProgramCache]: Analyzing trace with hash 946075536, now seen corresponding path program 1 times [2020-11-29 18:52:06,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:52:06,077 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134887460] [2020-11-29 18:52:06,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:52:06,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:52:06,199 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 24 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-29 18:52:06,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134887460] [2020-11-29 18:52:06,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1227735396] [2020-11-29 18:52:06,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbe15db3-7cdc-429a-8122-023ae0c1f175/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:52:06,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:52:06,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 18:52:06,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:52:06,463 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-29 18:52:06,463 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 18:52:06,464 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-11-29 18:52:06,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713386279] [2020-11-29 18:52:06,465 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:52:06,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:52:06,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:52:06,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:52:06,467 INFO L87 Difference]: Start difference. First operand 2145 states and 2542 transitions. Second operand 3 states. [2020-11-29 18:52:06,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:52:06,948 INFO L93 Difference]: Finished difference Result 4137 states and 4918 transitions. [2020-11-29 18:52:06,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:52:06,949 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2020-11-29 18:52:06,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:52:06,962 INFO L225 Difference]: With dead ends: 4137 [2020-11-29 18:52:06,962 INFO L226 Difference]: Without dead ends: 1994 [2020-11-29 18:52:06,975 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:52:06,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1994 states. [2020-11-29 18:52:07,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1994 to 1994. [2020-11-29 18:52:07,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1994 states. [2020-11-29 18:52:07,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1994 states to 1994 states and 2323 transitions. [2020-11-29 18:52:07,037 INFO L78 Accepts]: Start accepts. Automaton has 1994 states and 2323 transitions. Word has length 132 [2020-11-29 18:52:07,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:52:07,037 INFO L481 AbstractCegarLoop]: Abstraction has 1994 states and 2323 transitions. [2020-11-29 18:52:07,038 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:52:07,038 INFO L276 IsEmpty]: Start isEmpty. Operand 1994 states and 2323 transitions. [2020-11-29 18:52:07,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-11-29 18:52:07,042 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:52:07,043 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:52:07,264 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:52:07,265 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:52:07,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:52:07,265 INFO L82 PathProgramCache]: Analyzing trace with hash -1274625320, now seen corresponding path program 1 times [2020-11-29 18:52:07,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:52:07,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219923243] [2020-11-29 18:52:07,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:52:07,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:52:07,358 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-29 18:52:07,358 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219923243] [2020-11-29 18:52:07,359 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [885778380] [2020-11-29 18:52:07,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbe15db3-7cdc-429a-8122-023ae0c1f175/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:52:07,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:52:07,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 18:52:07,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:52:07,547 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 18:52:07,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 18:52:07,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-29 18:52:07,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458986190] [2020-11-29 18:52:07,548 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:52:07,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:52:07,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:52:07,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:52:07,550 INFO L87 Difference]: Start difference. First operand 1994 states and 2323 transitions. Second operand 3 states. [2020-11-29 18:52:08,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:52:08,286 INFO L93 Difference]: Finished difference Result 2838 states and 3308 transitions. [2020-11-29 18:52:08,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:52:08,287 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2020-11-29 18:52:08,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:52:08,295 INFO L225 Difference]: With dead ends: 2838 [2020-11-29 18:52:08,295 INFO L226 Difference]: Without dead ends: 1278 [2020-11-29 18:52:08,298 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:52:08,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1278 states. [2020-11-29 18:52:08,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1278 to 1138. [2020-11-29 18:52:08,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1138 states. [2020-11-29 18:52:08,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 1138 states and 1267 transitions. [2020-11-29 18:52:08,331 INFO L78 Accepts]: Start accepts. Automaton has 1138 states and 1267 transitions. Word has length 133 [2020-11-29 18:52:08,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:52:08,332 INFO L481 AbstractCegarLoop]: Abstraction has 1138 states and 1267 transitions. [2020-11-29 18:52:08,332 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:52:08,332 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states and 1267 transitions. [2020-11-29 18:52:08,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-11-29 18:52:08,335 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:52:08,336 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-29 18:52:08,551 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:52:08,551 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:52:08,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:52:08,552 INFO L82 PathProgramCache]: Analyzing trace with hash 1518962261, now seen corresponding path program 1 times [2020-11-29 18:52:08,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:52:08,552 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649484234] [2020-11-29 18:52:08,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:52:08,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:52:08,634 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:52:08,635 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649484234] [2020-11-29 18:52:08,636 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:52:08,636 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:52:08,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910848768] [2020-11-29 18:52:08,637 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:52:08,637 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:52:08,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:52:08,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:52:08,638 INFO L87 Difference]: Start difference. First operand 1138 states and 1267 transitions. Second operand 3 states. [2020-11-29 18:52:09,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:52:09,372 INFO L93 Difference]: Finished difference Result 2274 states and 2547 transitions. [2020-11-29 18:52:09,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:52:09,373 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2020-11-29 18:52:09,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:52:09,379 INFO L225 Difference]: With dead ends: 2274 [2020-11-29 18:52:09,380 INFO L226 Difference]: Without dead ends: 1278 [2020-11-29 18:52:09,381 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 18:52:09,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1278 states. [2020-11-29 18:52:09,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1278 to 1278. [2020-11-29 18:52:09,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1278 states. [2020-11-29 18:52:09,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 1278 states and 1413 transitions. [2020-11-29 18:52:09,410 INFO L78 Accepts]: Start accepts. Automaton has 1278 states and 1413 transitions. Word has length 135 [2020-11-29 18:52:09,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:52:09,411 INFO L481 AbstractCegarLoop]: Abstraction has 1278 states and 1413 transitions. [2020-11-29 18:52:09,411 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:52:09,411 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 1413 transitions. [2020-11-29 18:52:09,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-11-29 18:52:09,414 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:52:09,415 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:52:09,415 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 18:52:09,415 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:52:09,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:52:09,416 INFO L82 PathProgramCache]: Analyzing trace with hash -231376309, now seen corresponding path program 1 times [2020-11-29 18:52:09,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:52:09,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003488518] [2020-11-29 18:52:09,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:52:09,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:52:09,732 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:52:09,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003488518] [2020-11-29 18:52:09,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [885426896] [2020-11-29 18:52:09,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbe15db3-7cdc-429a-8122-023ae0c1f175/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:52:09,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:52:09,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 18:52:09,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:52:09,941 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-29 18:52:09,942 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 18:52:09,942 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-29 18:52:09,942 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417836592] [2020-11-29 18:52:09,943 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:52:09,943 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:52:09,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:52:09,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-29 18:52:09,946 INFO L87 Difference]: Start difference. First operand 1278 states and 1413 transitions. Second operand 3 states. [2020-11-29 18:52:10,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:52:10,690 INFO L93 Difference]: Finished difference Result 2553 states and 2819 transitions. [2020-11-29 18:52:10,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:52:10,691 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2020-11-29 18:52:10,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:52:10,700 INFO L225 Difference]: With dead ends: 2553 [2020-11-29 18:52:10,700 INFO L226 Difference]: Without dead ends: 1277 [2020-11-29 18:52:10,704 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-29 18:52:10,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1277 states. [2020-11-29 18:52:10,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1277 to 1277. [2020-11-29 18:52:10,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1277 states. [2020-11-29 18:52:10,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 1277 states and 1371 transitions. [2020-11-29 18:52:10,748 INFO L78 Accepts]: Start accepts. Automaton has 1277 states and 1371 transitions. Word has length 139 [2020-11-29 18:52:10,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:52:10,748 INFO L481 AbstractCegarLoop]: Abstraction has 1277 states and 1371 transitions. [2020-11-29 18:52:10,749 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:52:10,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 1371 transitions. [2020-11-29 18:52:10,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-11-29 18:52:10,753 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:52:10,754 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:52:10,968 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:52:10,968 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:52:10,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:52:10,969 INFO L82 PathProgramCache]: Analyzing trace with hash 1006447341, now seen corresponding path program 1 times [2020-11-29 18:52:10,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:52:10,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79751842] [2020-11-29 18:52:10,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:52:11,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:52:11,194 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 68 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:52:11,195 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79751842] [2020-11-29 18:52:11,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [506274428] [2020-11-29 18:52:11,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbe15db3-7cdc-429a-8122-023ae0c1f175/bin/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:52:11,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:52:11,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 18:52:11,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:52:11,381 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:52:11,382 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 18:52:11,382 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-29 18:52:11,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59784089] [2020-11-29 18:52:11,385 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:52:11,386 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:52:11,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:52:11,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-29 18:52:11,387 INFO L87 Difference]: Start difference. First operand 1277 states and 1371 transitions. Second operand 3 states. [2020-11-29 18:52:12,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:52:12,078 INFO L93 Difference]: Finished difference Result 2830 states and 3035 transitions. [2020-11-29 18:52:12,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:52:12,078 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2020-11-29 18:52:12,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:52:12,088 INFO L225 Difference]: With dead ends: 2830 [2020-11-29 18:52:12,089 INFO L226 Difference]: Without dead ends: 1554 [2020-11-29 18:52:12,091 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 180 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 18:52:12,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1554 states. [2020-11-29 18:52:12,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1554 to 1553. [2020-11-29 18:52:12,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1553 states. [2020-11-29 18:52:12,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1553 states to 1553 states and 1632 transitions. [2020-11-29 18:52:12,128 INFO L78 Accepts]: Start accepts. Automaton has 1553 states and 1632 transitions. Word has length 181 [2020-11-29 18:52:12,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:52:12,129 INFO L481 AbstractCegarLoop]: Abstraction has 1553 states and 1632 transitions. [2020-11-29 18:52:12,129 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:52:12,129 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 1632 transitions. [2020-11-29 18:52:12,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2020-11-29 18:52:12,136 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:52:12,136 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:52:12,356 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:52:12,357 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:52:12,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:52:12,357 INFO L82 PathProgramCache]: Analyzing trace with hash 1873700268, now seen corresponding path program 1 times [2020-11-29 18:52:12,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:52:12,358 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679116643] [2020-11-29 18:52:12,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:52:12,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:52:12,641 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:52:12,641 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679116643] [2020-11-29 18:52:12,642 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:52:12,642 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 18:52:12,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218847601] [2020-11-29 18:52:12,643 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 18:52:12,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:52:12,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 18:52:12,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 18:52:12,644 INFO L87 Difference]: Start difference. First operand 1553 states and 1632 transitions. Second operand 4 states. [2020-11-29 18:52:13,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:52:13,714 INFO L93 Difference]: Finished difference Result 2820 states and 2972 transitions. [2020-11-29 18:52:13,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 18:52:13,715 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 263 [2020-11-29 18:52:13,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:52:13,717 INFO L225 Difference]: With dead ends: 2820 [2020-11-29 18:52:13,717 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 18:52:13,722 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 18:52:13,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 18:52:13,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 18:52:13,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 18:52:13,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 18:52:13,723 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 263 [2020-11-29 18:52:13,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:52:13,723 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 18:52:13,723 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 18:52:13,723 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 18:52:13,723 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 18:52:13,724 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-29 18:52:13,726 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 18:52:14,035 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 31 [2020-11-29 18:52:14,303 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 31 [2020-11-29 18:52:14,306 INFO L274 CegarLoopResult]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,307 INFO L274 CegarLoopResult]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,307 INFO L274 CegarLoopResult]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,307 INFO L274 CegarLoopResult]: For program point L301(lines 301 423) no Hoare annotation was computed. [2020-11-29 18:52:14,307 INFO L274 CegarLoopResult]: For program point L235(lines 235 423) no Hoare annotation was computed. [2020-11-29 18:52:14,307 INFO L274 CegarLoopResult]: For program point L169(lines 169 423) no Hoare annotation was computed. [2020-11-29 18:52:14,307 INFO L274 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-11-29 18:52:14,307 INFO L274 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-11-29 18:52:14,307 INFO L274 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-11-29 18:52:14,308 INFO L274 CegarLoopResult]: For program point L303(lines 303 423) no Hoare annotation was computed. [2020-11-29 18:52:14,308 INFO L274 CegarLoopResult]: For program point L105(lines 105 423) no Hoare annotation was computed. [2020-11-29 18:52:14,308 INFO L274 CegarLoopResult]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,308 INFO L274 CegarLoopResult]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,308 INFO L274 CegarLoopResult]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,308 INFO L274 CegarLoopResult]: For program point L40(lines 40 423) no Hoare annotation was computed. [2020-11-29 18:52:14,308 INFO L274 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-11-29 18:52:14,308 INFO L274 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-11-29 18:52:14,309 INFO L274 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-11-29 18:52:14,309 INFO L274 CegarLoopResult]: For program point L371(lines 371 423) no Hoare annotation was computed. [2020-11-29 18:52:14,309 INFO L274 CegarLoopResult]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,309 INFO L274 CegarLoopResult]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,309 INFO L274 CegarLoopResult]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,309 INFO L274 CegarLoopResult]: For program point L307(lines 307 423) no Hoare annotation was computed. [2020-11-29 18:52:14,309 INFO L274 CegarLoopResult]: For program point L175(lines 175 423) no Hoare annotation was computed. [2020-11-29 18:52:14,309 INFO L274 CegarLoopResult]: For program point L109(lines 109 423) no Hoare annotation was computed. [2020-11-29 18:52:14,309 INFO L274 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-11-29 18:52:14,310 INFO L274 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-11-29 18:52:14,310 INFO L274 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-11-29 18:52:14,310 INFO L274 CegarLoopResult]: For program point L308(lines 308 317) no Hoare annotation was computed. [2020-11-29 18:52:14,310 INFO L274 CegarLoopResult]: For program point L242(lines 242 423) no Hoare annotation was computed. [2020-11-29 18:52:14,310 INFO L274 CegarLoopResult]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2020-11-29 18:52:14,310 INFO L274 CegarLoopResult]: For program point L45(lines 45 423) no Hoare annotation was computed. [2020-11-29 18:52:14,310 INFO L274 CegarLoopResult]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,310 INFO L274 CegarLoopResult]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,311 INFO L274 CegarLoopResult]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,311 INFO L274 CegarLoopResult]: For program point L244(lines 244 423) no Hoare annotation was computed. [2020-11-29 18:52:14,311 INFO L274 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-11-29 18:52:14,311 INFO L274 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-11-29 18:52:14,311 INFO L274 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-11-29 18:52:14,311 INFO L274 CegarLoopResult]: For program point L179(lines 179 423) no Hoare annotation was computed. [2020-11-29 18:52:14,311 INFO L274 CegarLoopResult]: For program point L378(lines 378 423) no Hoare annotation was computed. [2020-11-29 18:52:14,311 INFO L274 CegarLoopResult]: For program point L48(lines 48 423) no Hoare annotation was computed. [2020-11-29 18:52:14,311 INFO L274 CegarLoopResult]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,312 INFO L274 CegarLoopResult]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,312 INFO L274 CegarLoopResult]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,312 INFO L274 CegarLoopResult]: For program point L247(lines 247 423) no Hoare annotation was computed. [2020-11-29 18:52:14,312 INFO L274 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-11-29 18:52:14,312 INFO L274 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-11-29 18:52:14,312 INFO L274 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-11-29 18:52:14,312 INFO L274 CegarLoopResult]: For program point L248(lines 248 256) no Hoare annotation was computed. [2020-11-29 18:52:14,312 INFO L274 CegarLoopResult]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2020-11-29 18:52:14,313 INFO L274 CegarLoopResult]: For program point L116(lines 116 423) no Hoare annotation was computed. [2020-11-29 18:52:14,313 INFO L274 CegarLoopResult]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,313 INFO L274 CegarLoopResult]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,313 INFO L274 CegarLoopResult]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,313 INFO L274 CegarLoopResult]: For program point L52(lines 52 423) no Hoare annotation was computed. [2020-11-29 18:52:14,313 INFO L274 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-11-29 18:52:14,313 INFO L274 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-11-29 18:52:14,313 INFO L274 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-11-29 18:52:14,313 INFO L274 CegarLoopResult]: For program point L185(lines 185 423) no Hoare annotation was computed. [2020-11-29 18:52:14,314 INFO L274 CegarLoopResult]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,314 INFO L274 CegarLoopResult]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,314 INFO L274 CegarLoopResult]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,314 INFO L274 CegarLoopResult]: For program point L385(lines 385 423) no Hoare annotation was computed. [2020-11-29 18:52:14,314 INFO L274 CegarLoopResult]: For program point L319(lines 319 423) no Hoare annotation was computed. [2020-11-29 18:52:14,314 INFO L274 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-11-29 18:52:14,314 INFO L274 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-11-29 18:52:14,314 INFO L274 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-11-29 18:52:14,314 INFO L274 CegarLoopResult]: For program point L189(lines 189 423) no Hoare annotation was computed. [2020-11-29 18:52:14,314 INFO L274 CegarLoopResult]: For program point L123(lines 123 423) no Hoare annotation was computed. [2020-11-29 18:52:14,315 INFO L274 CegarLoopResult]: For program point L57(lines 57 423) no Hoare annotation was computed. [2020-11-29 18:52:14,315 INFO L274 CegarLoopResult]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,315 INFO L274 CegarLoopResult]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,315 INFO L274 CegarLoopResult]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,315 INFO L274 CegarLoopResult]: For program point L388(lines 388 423) no Hoare annotation was computed. [2020-11-29 18:52:14,315 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 18:52:14,315 INFO L274 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-11-29 18:52:14,315 INFO L274 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-11-29 18:52:14,315 INFO L274 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-11-29 18:52:14,315 INFO L274 CegarLoopResult]: For program point L390(lines 390 423) no Hoare annotation was computed. [2020-11-29 18:52:14,315 INFO L274 CegarLoopResult]: For program point L324(lines 324 423) no Hoare annotation was computed. [2020-11-29 18:52:14,316 INFO L274 CegarLoopResult]: For program point L258(lines 258 423) no Hoare annotation was computed. [2020-11-29 18:52:14,316 INFO L274 CegarLoopResult]: For program point L60(lines 60 423) no Hoare annotation was computed. [2020-11-29 18:52:14,316 INFO L274 CegarLoopResult]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,316 INFO L274 CegarLoopResult]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,316 INFO L274 CegarLoopResult]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,316 INFO L274 CegarLoopResult]: For program point L391(lines 391 397) no Hoare annotation was computed. [2020-11-29 18:52:14,316 INFO L274 CegarLoopResult]: For program point L325(lines 325 336) no Hoare annotation was computed. [2020-11-29 18:52:14,316 INFO L274 CegarLoopResult]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2020-11-29 18:52:14,316 INFO L274 CegarLoopResult]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2020-11-29 18:52:14,317 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-11-29 18:52:14,317 INFO L274 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-11-29 18:52:14,317 INFO L274 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-11-29 18:52:14,317 INFO L274 CegarLoopResult]: For program point L195(lines 195 423) no Hoare annotation was computed. [2020-11-29 18:52:14,317 INFO L274 CegarLoopResult]: For program point L129(lines 129 423) no Hoare annotation was computed. [2020-11-29 18:52:14,317 INFO L274 CegarLoopResult]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,317 INFO L274 CegarLoopResult]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,317 INFO L274 CegarLoopResult]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,317 INFO L274 CegarLoopResult]: For program point L64(lines 64 423) no Hoare annotation was computed. [2020-11-29 18:52:14,317 INFO L274 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-11-29 18:52:14,318 INFO L274 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-11-29 18:52:14,318 INFO L274 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-11-29 18:52:14,318 INFO L274 CegarLoopResult]: For program point L263(lines 263 423) no Hoare annotation was computed. [2020-11-29 18:52:14,318 INFO L274 CegarLoopResult]: For program point L197(lines 197 423) no Hoare annotation was computed. [2020-11-29 18:52:14,318 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 18:52:14,318 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 18:52:14,318 INFO L274 CegarLoopResult]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,318 INFO L274 CegarLoopResult]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,319 INFO L274 CegarLoopResult]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,319 INFO L274 CegarLoopResult]: For program point L199(lines 199 423) no Hoare annotation was computed. [2020-11-29 18:52:14,319 INFO L274 CegarLoopResult]: For program point L133(lines 133 423) no Hoare annotation was computed. [2020-11-29 18:52:14,319 INFO L274 CegarLoopResult]: For program point L596(line 596) no Hoare annotation was computed. [2020-11-29 18:52:14,319 INFO L274 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-11-29 18:52:14,319 INFO L274 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-11-29 18:52:14,319 INFO L274 CegarLoopResult]: For program point L399(lines 399 423) no Hoare annotation was computed. [2020-11-29 18:52:14,319 INFO L274 CegarLoopResult]: For program point L201(lines 201 423) no Hoare annotation was computed. [2020-11-29 18:52:14,320 INFO L274 CegarLoopResult]: For program point L69(lines 69 423) no Hoare annotation was computed. [2020-11-29 18:52:14,320 INFO L274 CegarLoopResult]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,320 INFO L274 CegarLoopResult]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,320 INFO L274 CegarLoopResult]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,320 INFO L274 CegarLoopResult]: For program point L599(line 599) no Hoare annotation was computed. [2020-11-29 18:52:14,320 INFO L274 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-11-29 18:52:14,320 INFO L274 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-11-29 18:52:14,321 INFO L274 CegarLoopResult]: For program point L269(lines 269 423) no Hoare annotation was computed. [2020-11-29 18:52:14,321 INFO L274 CegarLoopResult]: For program point L204(lines 204 423) no Hoare annotation was computed. [2020-11-29 18:52:14,321 INFO L274 CegarLoopResult]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,321 INFO L274 CegarLoopResult]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,321 INFO L274 CegarLoopResult]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,321 INFO L274 CegarLoopResult]: For program point L271(lines 271 423) no Hoare annotation was computed. [2020-11-29 18:52:14,322 INFO L274 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-11-29 18:52:14,322 INFO L274 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-11-29 18:52:14,322 INFO L274 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-11-29 18:52:14,322 INFO L274 CegarLoopResult]: For program point L404(lines 404 423) no Hoare annotation was computed. [2020-11-29 18:52:14,322 INFO L274 CegarLoopResult]: For program point L338(lines 338 423) no Hoare annotation was computed. [2020-11-29 18:52:14,322 INFO L274 CegarLoopResult]: For program point L272(lines 272 284) no Hoare annotation was computed. [2020-11-29 18:52:14,322 INFO L274 CegarLoopResult]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2020-11-29 18:52:14,323 INFO L274 CegarLoopResult]: For program point L140(lines 140 423) no Hoare annotation was computed. [2020-11-29 18:52:14,323 INFO L274 CegarLoopResult]: For program point L75(lines 75 423) no Hoare annotation was computed. [2020-11-29 18:52:14,323 INFO L274 CegarLoopResult]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2020-11-29 18:52:14,323 INFO L274 CegarLoopResult]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,323 INFO L274 CegarLoopResult]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,323 INFO L274 CegarLoopResult]: For program point L208(lines 208 423) no Hoare annotation was computed. [2020-11-29 18:52:14,324 INFO L274 CegarLoopResult]: For program point L605(line 605) no Hoare annotation was computed. [2020-11-29 18:52:14,324 INFO L274 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-11-29 18:52:14,324 INFO L274 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-11-29 18:52:14,324 INFO L274 CegarLoopResult]: For program point L341(lines 341 423) no Hoare annotation was computed. [2020-11-29 18:52:14,324 INFO L274 CegarLoopResult]: For program point L408(lines 408 423) no Hoare annotation was computed. [2020-11-29 18:52:14,324 INFO L274 CegarLoopResult]: For program point L342(lines 342 345) no Hoare annotation was computed. [2020-11-29 18:52:14,325 INFO L274 CegarLoopResult]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2020-11-29 18:52:14,325 INFO L274 CegarLoopResult]: For program point L144(lines 144 423) no Hoare annotation was computed. [2020-11-29 18:52:14,325 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-29 18:52:14,326 INFO L270 CegarLoopResult]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 0)) (.cse6 (<= ~a28~0 9)) (.cse1 (= ~a11~0 1)) (.cse3 (<= ~a28~0 10)) (.cse4 (= ~a25~0 1)) (.cse7 (= ~a19~0 1)) (.cse5 (= ~a11~0 0)) (.cse2 (<= ~a17~0 8))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse2 .cse3) (and .cse6 .cse1 .cse2) (and .cse0 .cse5 .cse6 .cse2) (and (<= 9 ~a28~0) .cse7 .cse5 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3) (and .cse7 .cse4 .cse5 .cse2) (and (= ~a25~0 ~a11~0) .cse7 .cse5 (<= ~a28~0 7) .cse2))) [2020-11-29 18:52:14,326 INFO L274 CegarLoopResult]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,326 INFO L274 CegarLoopResult]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,326 INFO L274 CegarLoopResult]: For program point L79(lines 79 423) no Hoare annotation was computed. [2020-11-29 18:52:14,326 INFO L274 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-11-29 18:52:14,326 INFO L274 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-11-29 18:52:14,327 INFO L274 CegarLoopResult]: For program point L212(lines 212 423) no Hoare annotation was computed. [2020-11-29 18:52:14,327 INFO L274 CegarLoopResult]: For program point L213(lines 213 220) no Hoare annotation was computed. [2020-11-29 18:52:14,327 INFO L274 CegarLoopResult]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2020-11-29 18:52:14,327 INFO L277 CegarLoopResult]: At program point L610(lines 610 627) the Hoare annotation is: true [2020-11-29 18:52:14,327 INFO L274 CegarLoopResult]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,327 INFO L274 CegarLoopResult]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,328 INFO L274 CegarLoopResult]: For program point L412(lines 412 423) no Hoare annotation was computed. [2020-11-29 18:52:14,328 INFO L274 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-11-29 18:52:14,328 INFO L274 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-11-29 18:52:14,328 INFO L274 CegarLoopResult]: For program point L347(lines 347 423) no Hoare annotation was computed. [2020-11-29 18:52:14,328 INFO L274 CegarLoopResult]: For program point L149(lines 149 423) no Hoare annotation was computed. [2020-11-29 18:52:14,328 INFO L274 CegarLoopResult]: For program point L414(lines 414 423) no Hoare annotation was computed. [2020-11-29 18:52:14,329 INFO L274 CegarLoopResult]: For program point L348(lines 348 357) no Hoare annotation was computed. [2020-11-29 18:52:14,329 INFO L274 CegarLoopResult]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2020-11-29 18:52:14,329 INFO L274 CegarLoopResult]: For program point L84(lines 84 423) no Hoare annotation was computed. [2020-11-29 18:52:14,329 INFO L274 CegarLoopResult]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,329 INFO L274 CegarLoopResult]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,329 INFO L274 CegarLoopResult]: For program point L85(lines 85 90) no Hoare annotation was computed. [2020-11-29 18:52:14,329 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2020-11-29 18:52:14,330 INFO L274 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-11-29 18:52:14,330 INFO L274 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-11-29 18:52:14,330 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 18:52:14,330 INFO L274 CegarLoopResult]: For program point L417(lines 417 423) no Hoare annotation was computed. [2020-11-29 18:52:14,330 INFO L274 CegarLoopResult]: For program point L153(lines 153 423) no Hoare annotation was computed. [2020-11-29 18:52:14,331 INFO L270 CegarLoopResult]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 0)) (.cse6 (<= ~a28~0 9)) (.cse1 (= ~a11~0 1)) (.cse3 (<= ~a28~0 10)) (.cse4 (= ~a25~0 1)) (.cse7 (= ~a19~0 1)) (.cse5 (= ~a11~0 0)) (.cse2 (<= ~a17~0 8))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse2 .cse3) (and .cse6 .cse1 .cse2) (and .cse0 .cse5 .cse6 .cse2) (and (<= 9 ~a28~0) .cse7 .cse5 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3) (and .cse7 .cse4 .cse5 .cse2) (and (= ~a25~0 ~a11~0) .cse7 .cse5 (<= ~a28~0 7) .cse2))) [2020-11-29 18:52:14,331 INFO L274 CegarLoopResult]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,331 INFO L274 CegarLoopResult]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,331 INFO L274 CegarLoopResult]: For program point L286(lines 286 423) no Hoare annotation was computed. [2020-11-29 18:52:14,331 INFO L274 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-11-29 18:52:14,332 INFO L274 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-11-29 18:52:14,332 INFO L274 CegarLoopResult]: For program point L419(lines 419 423) no Hoare annotation was computed. [2020-11-29 18:52:14,332 INFO L274 CegarLoopResult]: For program point L222(lines 222 423) no Hoare annotation was computed. [2020-11-29 18:52:14,332 INFO L274 CegarLoopResult]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,332 INFO L274 CegarLoopResult]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,332 INFO L274 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-11-29 18:52:14,332 INFO L274 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-11-29 18:52:14,333 INFO L274 CegarLoopResult]: For program point L290(lines 290 423) no Hoare annotation was computed. [2020-11-29 18:52:14,333 INFO L274 CegarLoopResult]: For program point L158(lines 158 423) no Hoare annotation was computed. [2020-11-29 18:52:14,333 INFO L274 CegarLoopResult]: For program point L92(lines 92 423) no Hoare annotation was computed. [2020-11-29 18:52:14,333 INFO L274 CegarLoopResult]: For program point L621(line 621) no Hoare annotation was computed. [2020-11-29 18:52:14,333 INFO L274 CegarLoopResult]: For program point L225(lines 225 423) no Hoare annotation was computed. [2020-11-29 18:52:14,333 INFO L274 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-11-29 18:52:14,334 INFO L274 CegarLoopResult]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2020-11-29 18:52:14,334 INFO L274 CegarLoopResult]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,334 INFO L274 CegarLoopResult]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,334 INFO L274 CegarLoopResult]: For program point L424(lines 424 426) no Hoare annotation was computed. [2020-11-29 18:52:14,334 INFO L274 CegarLoopResult]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,334 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 18:52:14,334 INFO L274 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-11-29 18:52:14,335 INFO L274 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-11-29 18:52:14,335 INFO L274 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-11-29 18:52:14,335 INFO L274 CegarLoopResult]: For program point L359(lines 359 423) no Hoare annotation was computed. [2020-11-29 18:52:14,335 INFO L274 CegarLoopResult]: For program point L293(lines 293 423) no Hoare annotation was computed. [2020-11-29 18:52:14,335 INFO L274 CegarLoopResult]: For program point L228(lines 228 423) no Hoare annotation was computed. [2020-11-29 18:52:14,335 INFO L274 CegarLoopResult]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,336 INFO L274 CegarLoopResult]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,336 INFO L274 CegarLoopResult]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,336 INFO L274 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-11-29 18:52:14,336 INFO L274 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-11-29 18:52:14,336 INFO L274 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-11-29 18:52:14,336 INFO L274 CegarLoopResult]: For program point L296(lines 296 423) no Hoare annotation was computed. [2020-11-29 18:52:14,337 INFO L274 CegarLoopResult]: For program point L164(lines 164 423) no Hoare annotation was computed. [2020-11-29 18:52:14,337 INFO L274 CegarLoopResult]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,337 INFO L274 CegarLoopResult]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,337 INFO L274 CegarLoopResult]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 18:52:14,337 INFO L274 CegarLoopResult]: For program point L364(lines 364 423) no Hoare annotation was computed. [2020-11-29 18:52:14,337 INFO L274 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-11-29 18:52:14,338 INFO L274 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-11-29 18:52:14,338 INFO L274 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-11-29 18:52:14,338 INFO L274 CegarLoopResult]: For program point L233(lines 233 423) no Hoare annotation was computed. [2020-11-29 18:52:14,338 INFO L274 CegarLoopResult]: For program point L101(lines 101 423) no Hoare annotation was computed. [2020-11-29 18:52:14,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:52:14 BoogieIcfgContainer [2020-11-29 18:52:14,363 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 18:52:14,363 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 18:52:14,364 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 18:52:14,364 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 18:52:14,364 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:51:57" (3/4) ... [2020-11-29 18:52:14,369 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 18:52:14,403 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 18:52:14,405 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 18:52:14,406 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 18:52:14,408 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 18:52:14,596 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_fbe15db3-7cdc-429a-8122-023ae0c1f175/bin/uautomizer/witness.graphml [2020-11-29 18:52:14,596 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 18:52:14,597 INFO L168 Benchmark]: Toolchain (without parser) took 20103.27 ms. Allocated memory was 83.9 MB in the beginning and 260.0 MB in the end (delta: 176.2 MB). Free memory was 45.5 MB in the beginning and 157.7 MB in the end (delta: -112.2 MB). Peak memory consumption was 64.0 MB. Max. memory is 16.1 GB. [2020-11-29 18:52:14,598 INFO L168 Benchmark]: CDTParser took 2.71 ms. Allocated memory is still 83.9 MB. Free memory was 64.0 MB in the beginning and 63.9 MB in the end (delta: 42.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:52:14,599 INFO L168 Benchmark]: CACSL2BoogieTranslator took 875.30 ms. Allocated memory was 83.9 MB in the beginning and 113.2 MB in the end (delta: 29.4 MB). Free memory was 45.3 MB in the beginning and 75.1 MB in the end (delta: -29.8 MB). Peak memory consumption was 11.0 MB. Max. memory is 16.1 GB. [2020-11-29 18:52:14,600 INFO L168 Benchmark]: Boogie Procedure Inliner took 120.55 ms. Allocated memory is still 113.2 MB. Free memory was 75.1 MB in the beginning and 69.6 MB in the end (delta: 5.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 18:52:14,600 INFO L168 Benchmark]: Boogie Preprocessor took 79.66 ms. Allocated memory is still 113.2 MB. Free memory was 69.6 MB in the beginning and 65.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 18:52:14,601 INFO L168 Benchmark]: RCFGBuilder took 2083.73 ms. Allocated memory is still 113.2 MB. Free memory was 65.4 MB in the beginning and 57.8 MB in the end (delta: 7.5 MB). Peak memory consumption was 48.8 MB. Max. memory is 16.1 GB. [2020-11-29 18:52:14,601 INFO L168 Benchmark]: TraceAbstraction took 16699.20 ms. Allocated memory was 113.2 MB in the beginning and 260.0 MB in the end (delta: 146.8 MB). Free memory was 57.8 MB in the beginning and 173.4 MB in the end (delta: -115.6 MB). Peak memory consumption was 130.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:52:14,602 INFO L168 Benchmark]: Witness Printer took 232.92 ms. Allocated memory is still 260.0 MB. Free memory was 172.4 MB in the beginning and 157.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 18:52:14,605 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.71 ms. Allocated memory is still 83.9 MB. Free memory was 64.0 MB in the beginning and 63.9 MB in the end (delta: 42.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 875.30 ms. Allocated memory was 83.9 MB in the beginning and 113.2 MB in the end (delta: 29.4 MB). Free memory was 45.3 MB in the beginning and 75.1 MB in the end (delta: -29.8 MB). Peak memory consumption was 11.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 120.55 ms. Allocated memory is still 113.2 MB. Free memory was 75.1 MB in the beginning and 69.6 MB in the end (delta: 5.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 79.66 ms. Allocated memory is still 113.2 MB. Free memory was 69.6 MB in the beginning and 65.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2083.73 ms. Allocated memory is still 113.2 MB. Free memory was 65.4 MB in the beginning and 57.8 MB in the end (delta: 7.5 MB). Peak memory consumption was 48.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 16699.20 ms. Allocated memory was 113.2 MB in the beginning and 260.0 MB in the end (delta: 146.8 MB). Free memory was 57.8 MB in the beginning and 173.4 MB in the end (delta: -115.6 MB). Peak memory consumption was 130.1 MB. Max. memory is 16.1 GB. * Witness Printer took 232.92 ms. Allocated memory is still 260.0 MB. Free memory was 172.4 MB in the beginning and 157.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (((((((((a19 <= 0 && a11 == 1) && a17 <= 8) && a28 <= 10) || ((((a19 <= 0 && a25 == 1) && a11 == 0) && a17 <= 8) && a28 <= 10)) || ((a28 <= 9 && a11 == 1) && a17 <= 8)) || (((a19 <= 0 && a11 == 0) && a28 <= 9) && a17 <= 8)) || ((((9 <= a28 && a19 == 1) && a11 == 0) && a17 <= 8) && a28 <= 10)) || (((a25 == 1 && a11 == 1) && a17 <= 8) && a28 <= 10)) || (((a19 == 1 && a25 == 1) && a11 == 0) && a17 <= 8)) || ((((a25 == a11 && a19 == 1) && a11 == 0) && a28 <= 7) && a17 <= 8) - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((((((((a19 <= 0 && a11 == 1) && a17 <= 8) && a28 <= 10) || ((((a19 <= 0 && a25 == 1) && a11 == 0) && a17 <= 8) && a28 <= 10)) || ((a28 <= 9 && a11 == 1) && a17 <= 8)) || (((a19 <= 0 && a11 == 0) && a28 <= 9) && a17 <= 8)) || ((((9 <= a28 && a19 == 1) && a11 == 0) && a17 <= 8) && a28 <= 10)) || (((a25 == 1 && a11 == 1) && a17 <= 8) && a28 <= 10)) || (((a19 == 1 && a25 == 1) && a11 == 0) && a17 <= 8)) || ((((a25 == a11 && a19 == 1) && a11 == 0) && a28 <= 7) && a17 <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 228 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.9s, OverallIterations: 11, TraceHistogramMax: 5, AutomataDifference: 10.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1423 SDtfs, 1504 SDslu, 152 SDs, 0 SdLazy, 4019 SolverSat, 612 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 859 GetRequests, 833 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2145occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 147 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 37 NumberOfFragments, 223 HoareAnnotationTreeSize, 3 FomulaSimplifications, 314 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 80 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 2417 NumberOfCodeBlocks, 2417 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2400 ConstructedInterpolants, 0 QuantifiedInterpolants, 962982 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1751 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 712/748 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...