./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label49.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_7239312b-9c42-4fde-8d56-956b837fac18/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_7239312b-9c42-4fde-8d56-956b837fac18/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7239312b-9c42-4fde-8d56-956b837fac18/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7239312b-9c42-4fde-8d56-956b837fac18/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label49.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7239312b-9c42-4fde-8d56-956b837fac18/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7239312b-9c42-4fde-8d56-956b837fac18/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 0899c1dba001c29029a8856598ba067fadfc69b9 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:01:11,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:01:11,463 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:01:11,530 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:01:11,531 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:01:11,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:01:11,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:01:11,537 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:01:11,539 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:01:11,540 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:01:11,542 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:01:11,543 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:01:11,544 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:01:11,545 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:01:11,547 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:01:11,548 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:01:11,550 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:01:11,551 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:01:11,553 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:01:11,556 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:01:11,558 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:01:11,560 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:01:11,561 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:01:11,562 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:01:11,566 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:01:11,567 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:01:11,567 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:01:11,568 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:01:11,569 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:01:11,570 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:01:11,571 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:01:11,572 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:01:11,573 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:01:11,574 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:01:11,575 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:01:11,576 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:01:11,577 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:01:11,577 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:01:11,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:01:11,578 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:01:11,579 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:01:11,580 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7239312b-9c42-4fde-8d56-956b837fac18/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:01:11,602 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:01:11,602 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:01:11,604 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:01:11,604 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:01:11,604 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:01:11,605 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:01:11,605 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:01:11,605 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:01:11,605 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:01:11,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:01:11,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:01:11,606 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:01:11,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:01:11,606 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:01:11,607 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:01:11,607 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:01:11,607 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:01:11,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:01:11,607 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:01:11,608 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:01:11,608 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:01:11,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:01:11,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:01:11,609 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:01:11,609 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:01:11,609 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:01:11,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:01:11,610 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:01:11,610 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:01:11,610 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_7239312b-9c42-4fde-8d56-956b837fac18/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7239312b-9c42-4fde-8d56-956b837fac18/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0899c1dba001c29029a8856598ba067fadfc69b9 [2020-11-28 03:01:11,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:01:11,935 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:01:11,937 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:01:11,939 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:01:11,940 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:01:11,941 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7239312b-9c42-4fde-8d56-956b837fac18/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label49.c [2020-11-28 03:01:12,021 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7239312b-9c42-4fde-8d56-956b837fac18/bin/uautomizer/data/d6a31a33a/b79c06cf724c438d93255420c6d1db1f/FLAG978d3abd3 [2020-11-28 03:01:12,749 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:01:12,766 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7239312b-9c42-4fde-8d56-956b837fac18/sv-benchmarks/c/eca-rers2012/Problem02_label49.c [2020-11-28 03:01:12,782 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7239312b-9c42-4fde-8d56-956b837fac18/bin/uautomizer/data/d6a31a33a/b79c06cf724c438d93255420c6d1db1f/FLAG978d3abd3 [2020-11-28 03:01:12,988 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7239312b-9c42-4fde-8d56-956b837fac18/bin/uautomizer/data/d6a31a33a/b79c06cf724c438d93255420c6d1db1f [2020-11-28 03:01:12,996 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:01:12,998 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:01:13,004 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:01:13,004 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:01:13,008 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:01:13,008 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:01:12" (1/1) ... [2020-11-28 03:01:13,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f7f4301 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:13, skipping insertion in model container [2020-11-28 03:01:13,011 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:01:12" (1/1) ... [2020-11-28 03:01:13,019 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:01:13,084 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:01:13,606 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:01:13,623 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:01:13,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:01:13,797 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:01:13,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:13 WrapperNode [2020-11-28 03:01:13,799 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:01:13,800 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:01:13,800 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:01:13,800 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:01:13,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:13" (1/1) ... [2020-11-28 03:01:13,836 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:13" (1/1) ... [2020-11-28 03:01:13,904 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:01:13,906 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:01:13,906 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:01:13,907 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:01:13,916 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:13" (1/1) ... [2020-11-28 03:01:13,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:13" (1/1) ... [2020-11-28 03:01:13,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:13" (1/1) ... [2020-11-28 03:01:13,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:13" (1/1) ... [2020-11-28 03:01:13,964 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:13" (1/1) ... [2020-11-28 03:01:13,990 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:13" (1/1) ... [2020-11-28 03:01:13,994 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:13" (1/1) ... [2020-11-28 03:01:14,016 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:01:14,018 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:01:14,018 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:01:14,018 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:01:14,021 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7239312b-9c42-4fde-8d56-956b837fac18/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 [2020-11-28 03:01:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:01:14,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:01:14,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:01:14,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:01:15,665 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:01:15,666 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 03:01:15,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:01:15 BoogieIcfgContainer [2020-11-28 03:01:15,670 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:01:15,675 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:01:15,676 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:01:15,679 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:01:15,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:01:12" (1/3) ... [2020-11-28 03:01:15,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1deed7b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:01:15, skipping insertion in model container [2020-11-28 03:01:15,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:13" (2/3) ... [2020-11-28 03:01:15,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1deed7b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:01:15, skipping insertion in model container [2020-11-28 03:01:15,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:01:15" (3/3) ... [2020-11-28 03:01:15,682 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label49.c [2020-11-28 03:01:15,692 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:01:15,698 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 03:01:15,713 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 03:01:15,746 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:01:15,746 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:01:15,746 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:01:15,746 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:01:15,747 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:01:15,747 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:01:15,747 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:01:15,747 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:01:15,771 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states. [2020-11-28 03:01:15,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-11-28 03:01:15,788 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:01:15,789 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:01:15,790 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:01:15,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:15,797 INFO L82 PathProgramCache]: Analyzing trace with hash -1378216101, now seen corresponding path program 1 times [2020-11-28 03:01:15,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:15,809 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851232287] [2020-11-28 03:01:15,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:16,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:16,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:01:16,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851232287] [2020-11-28 03:01:16,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:01:16,354 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:01:16,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357247012] [2020-11-28 03:01:16,363 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:01:16,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:01:16,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:01:16,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:01:16,386 INFO L87 Difference]: Start difference. First operand 228 states. Second operand 3 states. [2020-11-28 03:01:17,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:01:17,666 INFO L93 Difference]: Finished difference Result 602 states and 1036 transitions. [2020-11-28 03:01:17,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:01:17,668 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2020-11-28 03:01:17,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:01:17,687 INFO L225 Difference]: With dead ends: 602 [2020-11-28 03:01:17,687 INFO L226 Difference]: Without dead ends: 310 [2020-11-28 03:01:17,692 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 [2020-11-28 03:01:17,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2020-11-28 03:01:17,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2020-11-28 03:01:17,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2020-11-28 03:01:17,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 444 transitions. [2020-11-28 03:01:17,790 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 444 transitions. Word has length 125 [2020-11-28 03:01:17,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:01:17,792 INFO L481 AbstractCegarLoop]: Abstraction has 310 states and 444 transitions. [2020-11-28 03:01:17,794 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:01:17,795 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 444 transitions. [2020-11-28 03:01:17,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-11-28 03:01:17,803 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:01:17,804 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:01:17,806 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:01:17,806 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:01:17,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:17,810 INFO L82 PathProgramCache]: Analyzing trace with hash 1296989112, now seen corresponding path program 1 times [2020-11-28 03:01:17,810 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:17,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838718735] [2020-11-28 03:01:17,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:17,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:17,974 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:01:17,975 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838718735] [2020-11-28 03:01:17,975 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:01:17,975 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:01:17,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784528415] [2020-11-28 03:01:17,980 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:01:17,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:01:17,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:01:17,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:01:17,984 INFO L87 Difference]: Start difference. First operand 310 states and 444 transitions. Second operand 3 states. [2020-11-28 03:01:18,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:01:18,933 INFO L93 Difference]: Finished difference Result 902 states and 1298 transitions. [2020-11-28 03:01:18,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:01:18,948 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 143 [2020-11-28 03:01:18,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:01:18,954 INFO L225 Difference]: With dead ends: 902 [2020-11-28 03:01:18,954 INFO L226 Difference]: Without dead ends: 594 [2020-11-28 03:01:18,963 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 [2020-11-28 03:01:18,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2020-11-28 03:01:19,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 592. [2020-11-28 03:01:19,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-11-28 03:01:19,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 752 transitions. [2020-11-28 03:01:19,044 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 752 transitions. Word has length 143 [2020-11-28 03:01:19,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:01:19,045 INFO L481 AbstractCegarLoop]: Abstraction has 592 states and 752 transitions. [2020-11-28 03:01:19,045 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:01:19,045 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 752 transitions. [2020-11-28 03:01:19,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-11-28 03:01:19,053 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:01:19,056 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:01:19,057 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:01:19,058 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:01:19,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:19,060 INFO L82 PathProgramCache]: Analyzing trace with hash 1992994136, now seen corresponding path program 1 times [2020-11-28 03:01:19,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:19,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638940974] [2020-11-28 03:01:19,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:19,165 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:01:19,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638940974] [2020-11-28 03:01:19,166 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:01:19,166 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:01:19,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625527591] [2020-11-28 03:01:19,167 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:01:19,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:01:19,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:01:19,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:01:19,169 INFO L87 Difference]: Start difference. First operand 592 states and 752 transitions. Second operand 3 states. [2020-11-28 03:01:19,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:01:19,587 INFO L93 Difference]: Finished difference Result 1172 states and 1489 transitions. [2020-11-28 03:01:19,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:01:19,587 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 144 [2020-11-28 03:01:19,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:01:19,591 INFO L225 Difference]: With dead ends: 1172 [2020-11-28 03:01:19,591 INFO L226 Difference]: Without dead ends: 582 [2020-11-28 03:01:19,594 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 [2020-11-28 03:01:19,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2020-11-28 03:01:19,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 582. [2020-11-28 03:01:19,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 582 states. [2020-11-28 03:01:19,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 699 transitions. [2020-11-28 03:01:19,628 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 699 transitions. Word has length 144 [2020-11-28 03:01:19,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:01:19,629 INFO L481 AbstractCegarLoop]: Abstraction has 582 states and 699 transitions. [2020-11-28 03:01:19,629 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:01:19,629 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 699 transitions. [2020-11-28 03:01:19,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-11-28 03:01:19,636 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:01:19,636 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:01:19,636 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:01:19,637 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:01:19,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:19,638 INFO L82 PathProgramCache]: Analyzing trace with hash 676952203, now seen corresponding path program 1 times [2020-11-28 03:01:19,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:19,639 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957673511] [2020-11-28 03:01:19,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:19,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:19,816 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:01:19,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957673511] [2020-11-28 03:01:19,817 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:01:19,817 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:01:19,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340259985] [2020-11-28 03:01:19,818 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:01:19,818 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:01:19,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:01:19,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:01:19,821 INFO L87 Difference]: Start difference. First operand 582 states and 699 transitions. Second operand 3 states. [2020-11-28 03:01:20,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:01:20,579 INFO L93 Difference]: Finished difference Result 1302 states and 1571 transitions. [2020-11-28 03:01:20,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:01:20,580 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2020-11-28 03:01:20,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:01:20,588 INFO L225 Difference]: With dead ends: 1302 [2020-11-28 03:01:20,588 INFO L226 Difference]: Without dead ends: 722 [2020-11-28 03:01:20,590 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 [2020-11-28 03:01:20,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2020-11-28 03:01:20,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 722. [2020-11-28 03:01:20,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 722 states. [2020-11-28 03:01:20,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 854 transitions. [2020-11-28 03:01:20,621 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 854 transitions. Word has length 148 [2020-11-28 03:01:20,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:01:20,622 INFO L481 AbstractCegarLoop]: Abstraction has 722 states and 854 transitions. [2020-11-28 03:01:20,622 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:01:20,622 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 854 transitions. [2020-11-28 03:01:20,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-11-28 03:01:20,626 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:01:20,626 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:01:20,626 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:01:20,627 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:01:20,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:20,627 INFO L82 PathProgramCache]: Analyzing trace with hash 806364245, now seen corresponding path program 1 times [2020-11-28 03:01:20,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:20,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633652183] [2020-11-28 03:01:20,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:20,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:21,114 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:01:21,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633652183] [2020-11-28 03:01:21,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405049440] [2020-11-28 03:01:21,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7239312b-9c42-4fde-8d56-956b837fac18/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 [2020-11-28 03:01:21,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:21,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:01:21,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:01:21,595 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-28 03:01:21,596 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:01:21,596 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-28 03:01:21,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797766151] [2020-11-28 03:01:21,597 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:01:21,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:01:21,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:01:21,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:01:21,599 INFO L87 Difference]: Start difference. First operand 722 states and 854 transitions. Second operand 3 states. [2020-11-28 03:01:22,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:01:22,370 INFO L93 Difference]: Finished difference Result 2007 states and 2367 transitions. [2020-11-28 03:01:22,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:01:22,371 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2020-11-28 03:01:22,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:01:22,381 INFO L225 Difference]: With dead ends: 2007 [2020-11-28 03:01:22,381 INFO L226 Difference]: Without dead ends: 1287 [2020-11-28 03:01:22,384 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:01:22,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1287 states. [2020-11-28 03:01:22,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1287 to 1283. [2020-11-28 03:01:22,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1283 states. [2020-11-28 03:01:22,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1283 states to 1283 states and 1490 transitions. [2020-11-28 03:01:22,443 INFO L78 Accepts]: Start accepts. Automaton has 1283 states and 1490 transitions. Word has length 152 [2020-11-28 03:01:22,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:01:22,445 INFO L481 AbstractCegarLoop]: Abstraction has 1283 states and 1490 transitions. [2020-11-28 03:01:22,445 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:01:22,445 INFO L276 IsEmpty]: Start isEmpty. Operand 1283 states and 1490 transitions. [2020-11-28 03:01:22,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-11-28 03:01:22,450 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:01:22,450 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:01:22,664 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:01:22,664 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:01:22,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:22,665 INFO L82 PathProgramCache]: Analyzing trace with hash 1185530404, now seen corresponding path program 1 times [2020-11-28 03:01:22,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:22,665 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335966301] [2020-11-28 03:01:22,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:22,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:22,856 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 32 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:01:22,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335966301] [2020-11-28 03:01:22,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [416704789] [2020-11-28 03:01:22,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7239312b-9c42-4fde-8d56-956b837fac18/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 [2020-11-28 03:01:22,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:22,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-28 03:01:22,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:01:23,027 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:01:23,028 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:01:23,028 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-28 03:01:23,029 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981360250] [2020-11-28 03:01:23,030 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:01:23,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:01:23,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:01:23,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:01:23,035 INFO L87 Difference]: Start difference. First operand 1283 states and 1490 transitions. Second operand 3 states. [2020-11-28 03:01:23,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:01:23,747 INFO L93 Difference]: Finished difference Result 2425 states and 2836 transitions. [2020-11-28 03:01:23,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:01:23,747 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2020-11-28 03:01:23,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:01:23,754 INFO L225 Difference]: With dead ends: 2425 [2020-11-28 03:01:23,754 INFO L226 Difference]: Without dead ends: 1142 [2020-11-28 03:01:23,756 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:01:23,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1142 states. [2020-11-28 03:01:23,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1142 to 1138. [2020-11-28 03:01:23,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1138 states. [2020-11-28 03:01:23,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 1138 states and 1278 transitions. [2020-11-28 03:01:23,787 INFO L78 Accepts]: Start accepts. Automaton has 1138 states and 1278 transitions. Word has length 158 [2020-11-28 03:01:23,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:01:23,791 INFO L481 AbstractCegarLoop]: Abstraction has 1138 states and 1278 transitions. [2020-11-28 03:01:23,792 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:01:23,792 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states and 1278 transitions. [2020-11-28 03:01:23,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-11-28 03:01:23,800 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:01:23,800 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:01:24,016 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:01:24,016 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:01:24,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:24,017 INFO L82 PathProgramCache]: Analyzing trace with hash 631346849, now seen corresponding path program 1 times [2020-11-28 03:01:24,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:24,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425034558] [2020-11-28 03:01:24,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:24,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:24,133 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-11-28 03:01:24,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425034558] [2020-11-28 03:01:24,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1875077296] [2020-11-28 03:01:24,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7239312b-9c42-4fde-8d56-956b837fac18/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 [2020-11-28 03:01:24,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:24,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:01:24,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:01:24,339 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 03:01:24,339 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:01:24,339 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-28 03:01:24,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209581698] [2020-11-28 03:01:24,340 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:01:24,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:01:24,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:01:24,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:01:24,342 INFO L87 Difference]: Start difference. First operand 1138 states and 1278 transitions. Second operand 3 states. [2020-11-28 03:01:25,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:01:25,058 INFO L93 Difference]: Finished difference Result 2416 states and 2742 transitions. [2020-11-28 03:01:25,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:01:25,059 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 166 [2020-11-28 03:01:25,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:01:25,067 INFO L225 Difference]: With dead ends: 2416 [2020-11-28 03:01:25,067 INFO L226 Difference]: Without dead ends: 1420 [2020-11-28 03:01:25,070 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:01:25,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1420 states. [2020-11-28 03:01:25,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1420 to 1419. [2020-11-28 03:01:25,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1419 states. [2020-11-28 03:01:25,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1419 states and 1577 transitions. [2020-11-28 03:01:25,107 INFO L78 Accepts]: Start accepts. Automaton has 1419 states and 1577 transitions. Word has length 166 [2020-11-28 03:01:25,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:01:25,108 INFO L481 AbstractCegarLoop]: Abstraction has 1419 states and 1577 transitions. [2020-11-28 03:01:25,108 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:01:25,108 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 1577 transitions. [2020-11-28 03:01:25,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-11-28 03:01:25,114 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:01:25,114 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:01:25,340 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:01:25,340 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:01:25,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:25,341 INFO L82 PathProgramCache]: Analyzing trace with hash -1452834806, now seen corresponding path program 1 times [2020-11-28 03:01:25,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:25,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029590981] [2020-11-28 03:01:25,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:25,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:25,463 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-11-28 03:01:25,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029590981] [2020-11-28 03:01:25,464 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:01:25,464 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:01:25,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085573345] [2020-11-28 03:01:25,466 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:01:25,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:01:25,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:01:25,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:01:25,468 INFO L87 Difference]: Start difference. First operand 1419 states and 1577 transitions. Second operand 3 states. [2020-11-28 03:01:26,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:01:26,138 INFO L93 Difference]: Finished difference Result 3116 states and 3490 transitions. [2020-11-28 03:01:26,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:01:26,140 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 199 [2020-11-28 03:01:26,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:01:26,148 INFO L225 Difference]: With dead ends: 3116 [2020-11-28 03:01:26,148 INFO L226 Difference]: Without dead ends: 1416 [2020-11-28 03:01:26,151 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 [2020-11-28 03:01:26,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1416 states. [2020-11-28 03:01:26,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1416 to 1416. [2020-11-28 03:01:26,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1416 states. [2020-11-28 03:01:26,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 1416 states and 1560 transitions. [2020-11-28 03:01:26,185 INFO L78 Accepts]: Start accepts. Automaton has 1416 states and 1560 transitions. Word has length 199 [2020-11-28 03:01:26,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:01:26,186 INFO L481 AbstractCegarLoop]: Abstraction has 1416 states and 1560 transitions. [2020-11-28 03:01:26,186 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:01:26,186 INFO L276 IsEmpty]: Start isEmpty. Operand 1416 states and 1560 transitions. [2020-11-28 03:01:26,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-11-28 03:01:26,192 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:01:26,192 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:01:26,192 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-28 03:01:26,193 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:01:26,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:26,193 INFO L82 PathProgramCache]: Analyzing trace with hash 914023161, now seen corresponding path program 1 times [2020-11-28 03:01:26,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:26,195 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969275867] [2020-11-28 03:01:26,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:26,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:26,406 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-11-28 03:01:26,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969275867] [2020-11-28 03:01:26,406 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:01:26,407 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:01:26,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451011045] [2020-11-28 03:01:26,407 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:01:26,408 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:01:26,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:01:26,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:01:26,410 INFO L87 Difference]: Start difference. First operand 1416 states and 1560 transitions. Second operand 5 states. [2020-11-28 03:01:27,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:01:27,662 INFO L93 Difference]: Finished difference Result 3286 states and 3615 transitions. [2020-11-28 03:01:27,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 03:01:27,663 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 219 [2020-11-28 03:01:27,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:01:27,674 INFO L225 Difference]: With dead ends: 3286 [2020-11-28 03:01:27,674 INFO L226 Difference]: Without dead ends: 1726 [2020-11-28 03:01:27,677 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:01:27,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1726 states. [2020-11-28 03:01:27,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1726 to 1416. [2020-11-28 03:01:27,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1416 states. [2020-11-28 03:01:27,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 1416 states and 1500 transitions. [2020-11-28 03:01:27,717 INFO L78 Accepts]: Start accepts. Automaton has 1416 states and 1500 transitions. Word has length 219 [2020-11-28 03:01:27,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:01:27,717 INFO L481 AbstractCegarLoop]: Abstraction has 1416 states and 1500 transitions. [2020-11-28 03:01:27,717 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:01:27,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1416 states and 1500 transitions. [2020-11-28 03:01:27,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-11-28 03:01:27,723 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:01:27,724 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:01:27,724 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-28 03:01:27,724 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:01:27,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:27,725 INFO L82 PathProgramCache]: Analyzing trace with hash -1681354769, now seen corresponding path program 1 times [2020-11-28 03:01:27,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:27,725 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241418882] [2020-11-28 03:01:27,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:27,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:27,827 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-11-28 03:01:27,827 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241418882] [2020-11-28 03:01:27,827 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:01:27,828 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:01:27,828 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277236775] [2020-11-28 03:01:27,828 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:01:27,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:01:27,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:01:27,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:01:27,830 INFO L87 Difference]: Start difference. First operand 1416 states and 1500 transitions. Second operand 3 states. [2020-11-28 03:01:28,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:01:28,322 INFO L93 Difference]: Finished difference Result 2690 states and 2854 transitions. [2020-11-28 03:01:28,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:01:28,323 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 223 [2020-11-28 03:01:28,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:01:28,330 INFO L225 Difference]: With dead ends: 2690 [2020-11-28 03:01:28,330 INFO L226 Difference]: Without dead ends: 1416 [2020-11-28 03:01:28,333 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 [2020-11-28 03:01:28,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1416 states. [2020-11-28 03:01:28,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1416 to 1416. [2020-11-28 03:01:28,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1416 states. [2020-11-28 03:01:28,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 1416 states and 1498 transitions. [2020-11-28 03:01:28,368 INFO L78 Accepts]: Start accepts. Automaton has 1416 states and 1498 transitions. Word has length 223 [2020-11-28 03:01:28,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:01:28,368 INFO L481 AbstractCegarLoop]: Abstraction has 1416 states and 1498 transitions. [2020-11-28 03:01:28,368 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:01:28,368 INFO L276 IsEmpty]: Start isEmpty. Operand 1416 states and 1498 transitions. [2020-11-28 03:01:28,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-11-28 03:01:28,375 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:01:28,375 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:01:28,375 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-28 03:01:28,376 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:01:28,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:28,376 INFO L82 PathProgramCache]: Analyzing trace with hash -369701871, now seen corresponding path program 1 times [2020-11-28 03:01:28,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:28,377 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826204790] [2020-11-28 03:01:28,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:28,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:28,483 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-11-28 03:01:28,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826204790] [2020-11-28 03:01:28,483 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:01:28,483 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:01:28,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464710091] [2020-11-28 03:01:28,484 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:01:28,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:01:28,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:01:28,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:01:28,485 INFO L87 Difference]: Start difference. First operand 1416 states and 1498 transitions. Second operand 3 states. [2020-11-28 03:01:29,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:01:29,064 INFO L93 Difference]: Finished difference Result 3107 states and 3284 transitions. [2020-11-28 03:01:29,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:01:29,065 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 244 [2020-11-28 03:01:29,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:01:29,065 INFO L225 Difference]: With dead ends: 3107 [2020-11-28 03:01:29,065 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:01:29,068 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 [2020-11-28 03:01:29,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:01:29,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:01:29,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:01:29,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:01:29,068 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 244 [2020-11-28 03:01:29,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:01:29,068 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:01:29,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:01:29,068 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:01:29,069 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:01:29,069 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-28 03:01:29,071 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:01:29,377 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2020-11-28 03:01:29,581 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2020-11-28 03:01:29,584 INFO L274 CegarLoopResult]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,584 INFO L274 CegarLoopResult]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,584 INFO L274 CegarLoopResult]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,584 INFO L274 CegarLoopResult]: For program point L301(lines 301 423) no Hoare annotation was computed. [2020-11-28 03:01:29,584 INFO L274 CegarLoopResult]: For program point L235(lines 235 423) no Hoare annotation was computed. [2020-11-28 03:01:29,584 INFO L274 CegarLoopResult]: For program point L169(lines 169 423) no Hoare annotation was computed. [2020-11-28 03:01:29,584 INFO L274 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-11-28 03:01:29,584 INFO L274 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-11-28 03:01:29,584 INFO L274 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-11-28 03:01:29,585 INFO L274 CegarLoopResult]: For program point L303(lines 303 423) no Hoare annotation was computed. [2020-11-28 03:01:29,585 INFO L274 CegarLoopResult]: For program point L105(lines 105 423) no Hoare annotation was computed. [2020-11-28 03:01:29,585 INFO L274 CegarLoopResult]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,585 INFO L274 CegarLoopResult]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,585 INFO L274 CegarLoopResult]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,585 INFO L274 CegarLoopResult]: For program point L40(lines 40 423) no Hoare annotation was computed. [2020-11-28 03:01:29,585 INFO L274 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-11-28 03:01:29,585 INFO L274 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-11-28 03:01:29,585 INFO L274 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-11-28 03:01:29,585 INFO L274 CegarLoopResult]: For program point L371(lines 371 423) no Hoare annotation was computed. [2020-11-28 03:01:29,585 INFO L274 CegarLoopResult]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,585 INFO L274 CegarLoopResult]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,585 INFO L274 CegarLoopResult]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,585 INFO L274 CegarLoopResult]: For program point L307(lines 307 423) no Hoare annotation was computed. [2020-11-28 03:01:29,585 INFO L274 CegarLoopResult]: For program point L175(lines 175 423) no Hoare annotation was computed. [2020-11-28 03:01:29,585 INFO L274 CegarLoopResult]: For program point L109(lines 109 423) no Hoare annotation was computed. [2020-11-28 03:01:29,586 INFO L274 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-11-28 03:01:29,586 INFO L274 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-11-28 03:01:29,586 INFO L274 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-11-28 03:01:29,586 INFO L274 CegarLoopResult]: For program point L308(lines 308 317) no Hoare annotation was computed. [2020-11-28 03:01:29,586 INFO L274 CegarLoopResult]: For program point L242(lines 242 423) no Hoare annotation was computed. [2020-11-28 03:01:29,586 INFO L274 CegarLoopResult]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2020-11-28 03:01:29,586 INFO L274 CegarLoopResult]: For program point L45(lines 45 423) no Hoare annotation was computed. [2020-11-28 03:01:29,586 INFO L274 CegarLoopResult]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,586 INFO L274 CegarLoopResult]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,586 INFO L274 CegarLoopResult]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,586 INFO L274 CegarLoopResult]: For program point L244(lines 244 423) no Hoare annotation was computed. [2020-11-28 03:01:29,586 INFO L274 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-11-28 03:01:29,586 INFO L274 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-11-28 03:01:29,586 INFO L274 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-11-28 03:01:29,586 INFO L274 CegarLoopResult]: For program point L179(lines 179 423) no Hoare annotation was computed. [2020-11-28 03:01:29,587 INFO L274 CegarLoopResult]: For program point L378(lines 378 423) no Hoare annotation was computed. [2020-11-28 03:01:29,587 INFO L274 CegarLoopResult]: For program point L48(lines 48 423) no Hoare annotation was computed. [2020-11-28 03:01:29,587 INFO L274 CegarLoopResult]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,587 INFO L274 CegarLoopResult]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,587 INFO L274 CegarLoopResult]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,587 INFO L274 CegarLoopResult]: For program point L247(lines 247 423) no Hoare annotation was computed. [2020-11-28 03:01:29,587 INFO L274 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-11-28 03:01:29,587 INFO L274 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-11-28 03:01:29,587 INFO L274 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-11-28 03:01:29,587 INFO L274 CegarLoopResult]: For program point L248(lines 248 256) no Hoare annotation was computed. [2020-11-28 03:01:29,587 INFO L274 CegarLoopResult]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2020-11-28 03:01:29,587 INFO L274 CegarLoopResult]: For program point L116(lines 116 423) no Hoare annotation was computed. [2020-11-28 03:01:29,587 INFO L274 CegarLoopResult]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,587 INFO L274 CegarLoopResult]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,587 INFO L274 CegarLoopResult]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,588 INFO L274 CegarLoopResult]: For program point L52(lines 52 423) no Hoare annotation was computed. [2020-11-28 03:01:29,588 INFO L274 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-11-28 03:01:29,588 INFO L274 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-11-28 03:01:29,588 INFO L274 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-11-28 03:01:29,588 INFO L274 CegarLoopResult]: For program point L185(lines 185 423) no Hoare annotation was computed. [2020-11-28 03:01:29,588 INFO L274 CegarLoopResult]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,588 INFO L274 CegarLoopResult]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,588 INFO L274 CegarLoopResult]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,588 INFO L274 CegarLoopResult]: For program point L385(lines 385 423) no Hoare annotation was computed. [2020-11-28 03:01:29,588 INFO L274 CegarLoopResult]: For program point L319(lines 319 423) no Hoare annotation was computed. [2020-11-28 03:01:29,588 INFO L274 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-11-28 03:01:29,588 INFO L274 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-11-28 03:01:29,588 INFO L274 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-11-28 03:01:29,588 INFO L274 CegarLoopResult]: For program point L189(lines 189 423) no Hoare annotation was computed. [2020-11-28 03:01:29,588 INFO L274 CegarLoopResult]: For program point L123(lines 123 423) no Hoare annotation was computed. [2020-11-28 03:01:29,588 INFO L274 CegarLoopResult]: For program point L57(lines 57 423) no Hoare annotation was computed. [2020-11-28 03:01:29,589 INFO L274 CegarLoopResult]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,589 INFO L274 CegarLoopResult]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,589 INFO L274 CegarLoopResult]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,589 INFO L274 CegarLoopResult]: For program point L388(lines 388 423) no Hoare annotation was computed. [2020-11-28 03:01:29,589 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:01:29,589 INFO L274 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-11-28 03:01:29,589 INFO L274 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-11-28 03:01:29,589 INFO L274 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-11-28 03:01:29,589 INFO L274 CegarLoopResult]: For program point L390(lines 390 423) no Hoare annotation was computed. [2020-11-28 03:01:29,589 INFO L274 CegarLoopResult]: For program point L324(lines 324 423) no Hoare annotation was computed. [2020-11-28 03:01:29,589 INFO L274 CegarLoopResult]: For program point L258(lines 258 423) no Hoare annotation was computed. [2020-11-28 03:01:29,589 INFO L274 CegarLoopResult]: For program point L60(lines 60 423) no Hoare annotation was computed. [2020-11-28 03:01:29,589 INFO L274 CegarLoopResult]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,589 INFO L274 CegarLoopResult]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,589 INFO L274 CegarLoopResult]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,589 INFO L274 CegarLoopResult]: For program point L391(lines 391 397) no Hoare annotation was computed. [2020-11-28 03:01:29,590 INFO L274 CegarLoopResult]: For program point L325(lines 325 336) no Hoare annotation was computed. [2020-11-28 03:01:29,590 INFO L274 CegarLoopResult]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2020-11-28 03:01:29,590 INFO L274 CegarLoopResult]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2020-11-28 03:01:29,590 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-11-28 03:01:29,590 INFO L274 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-11-28 03:01:29,590 INFO L274 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-11-28 03:01:29,590 INFO L274 CegarLoopResult]: For program point L195(lines 195 423) no Hoare annotation was computed. [2020-11-28 03:01:29,590 INFO L274 CegarLoopResult]: For program point L129(lines 129 423) no Hoare annotation was computed. [2020-11-28 03:01:29,590 INFO L274 CegarLoopResult]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,590 INFO L274 CegarLoopResult]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,590 INFO L274 CegarLoopResult]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,590 INFO L274 CegarLoopResult]: For program point L64(lines 64 423) no Hoare annotation was computed. [2020-11-28 03:01:29,590 INFO L274 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-11-28 03:01:29,590 INFO L274 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-11-28 03:01:29,590 INFO L274 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-11-28 03:01:29,590 INFO L274 CegarLoopResult]: For program point L263(lines 263 423) no Hoare annotation was computed. [2020-11-28 03:01:29,591 INFO L274 CegarLoopResult]: For program point L197(lines 197 423) no Hoare annotation was computed. [2020-11-28 03:01:29,591 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:01:29,591 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:01:29,591 INFO L274 CegarLoopResult]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,591 INFO L274 CegarLoopResult]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,591 INFO L274 CegarLoopResult]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,591 INFO L274 CegarLoopResult]: For program point L199(lines 199 423) no Hoare annotation was computed. [2020-11-28 03:01:29,591 INFO L274 CegarLoopResult]: For program point L133(lines 133 423) no Hoare annotation was computed. [2020-11-28 03:01:29,591 INFO L274 CegarLoopResult]: For program point L596(line 596) no Hoare annotation was computed. [2020-11-28 03:01:29,591 INFO L274 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-11-28 03:01:29,591 INFO L274 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-11-28 03:01:29,591 INFO L274 CegarLoopResult]: For program point L399(lines 399 423) no Hoare annotation was computed. [2020-11-28 03:01:29,591 INFO L274 CegarLoopResult]: For program point L201(lines 201 423) no Hoare annotation was computed. [2020-11-28 03:01:29,591 INFO L274 CegarLoopResult]: For program point L69(lines 69 423) no Hoare annotation was computed. [2020-11-28 03:01:29,591 INFO L274 CegarLoopResult]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,592 INFO L274 CegarLoopResult]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,592 INFO L274 CegarLoopResult]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,592 INFO L274 CegarLoopResult]: For program point L599(line 599) no Hoare annotation was computed. [2020-11-28 03:01:29,592 INFO L274 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-11-28 03:01:29,594 INFO L274 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-11-28 03:01:29,594 INFO L274 CegarLoopResult]: For program point L269(lines 269 423) no Hoare annotation was computed. [2020-11-28 03:01:29,595 INFO L274 CegarLoopResult]: For program point L204(lines 204 423) no Hoare annotation was computed. [2020-11-28 03:01:29,595 INFO L274 CegarLoopResult]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,595 INFO L274 CegarLoopResult]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,595 INFO L274 CegarLoopResult]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,595 INFO L274 CegarLoopResult]: For program point L271(lines 271 423) no Hoare annotation was computed. [2020-11-28 03:01:29,595 INFO L274 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-11-28 03:01:29,595 INFO L274 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-11-28 03:01:29,595 INFO L274 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-11-28 03:01:29,595 INFO L274 CegarLoopResult]: For program point L404(lines 404 423) no Hoare annotation was computed. [2020-11-28 03:01:29,596 INFO L274 CegarLoopResult]: For program point L338(lines 338 423) no Hoare annotation was computed. [2020-11-28 03:01:29,596 INFO L274 CegarLoopResult]: For program point L272(lines 272 284) no Hoare annotation was computed. [2020-11-28 03:01:29,596 INFO L274 CegarLoopResult]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2020-11-28 03:01:29,596 INFO L274 CegarLoopResult]: For program point L140(lines 140 423) no Hoare annotation was computed. [2020-11-28 03:01:29,596 INFO L274 CegarLoopResult]: For program point L75(lines 75 423) no Hoare annotation was computed. [2020-11-28 03:01:29,596 INFO L274 CegarLoopResult]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2020-11-28 03:01:29,596 INFO L274 CegarLoopResult]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,596 INFO L274 CegarLoopResult]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,597 INFO L274 CegarLoopResult]: For program point L208(lines 208 423) no Hoare annotation was computed. [2020-11-28 03:01:29,597 INFO L274 CegarLoopResult]: For program point L605(line 605) no Hoare annotation was computed. [2020-11-28 03:01:29,597 INFO L274 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-11-28 03:01:29,597 INFO L274 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-11-28 03:01:29,597 INFO L274 CegarLoopResult]: For program point L341(lines 341 423) no Hoare annotation was computed. [2020-11-28 03:01:29,597 INFO L274 CegarLoopResult]: For program point L408(lines 408 423) no Hoare annotation was computed. [2020-11-28 03:01:29,597 INFO L274 CegarLoopResult]: For program point L342(lines 342 345) no Hoare annotation was computed. [2020-11-28 03:01:29,597 INFO L274 CegarLoopResult]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2020-11-28 03:01:29,598 INFO L274 CegarLoopResult]: For program point L144(lines 144 423) no Hoare annotation was computed. [2020-11-28 03:01:29,598 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-28 03:01:29,598 INFO L270 CegarLoopResult]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse5 (= ~a21~0 1)) (.cse4 (= ~a19~0 1)) (.cse9 (not (= ~a11~0 1))) (.cse8 (<= ~a28~0 7)) (.cse6 (<= ~a17~0 8)) (.cse2 (<= ~a25~0 0)) (.cse0 (<= 9 ~a28~0)) (.cse7 (= ~a25~0 1)) (.cse1 (<= ~a17~0 7)) (.cse3 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse6 .cse2 .cse3) (and .cse4 .cse7 .cse8 .cse6) (and .cse4 .cse5 (= ~a17~0 8) .cse7 .cse9) (and .cse4 .cse7 .cse9 .cse6 .cse3) (and .cse0 .cse4 .cse7 .cse6 .cse3) (and .cse7 .cse9 .cse8 .cse6) (and .cse0 .cse7 .cse9 .cse6 .cse3) (and .cse9 .cse6 .cse2 .cse3) (and .cse8 .cse6 .cse2) (and .cse0 .cse7 .cse1 .cse3))) [2020-11-28 03:01:29,598 INFO L274 CegarLoopResult]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,599 INFO L274 CegarLoopResult]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,599 INFO L274 CegarLoopResult]: For program point L79(lines 79 423) no Hoare annotation was computed. [2020-11-28 03:01:29,599 INFO L274 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-11-28 03:01:29,599 INFO L274 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-11-28 03:01:29,599 INFO L274 CegarLoopResult]: For program point L212(lines 212 423) no Hoare annotation was computed. [2020-11-28 03:01:29,599 INFO L274 CegarLoopResult]: For program point L213(lines 213 220) no Hoare annotation was computed. [2020-11-28 03:01:29,599 INFO L274 CegarLoopResult]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2020-11-28 03:01:29,599 INFO L277 CegarLoopResult]: At program point L610(lines 610 627) the Hoare annotation is: true [2020-11-28 03:01:29,599 INFO L274 CegarLoopResult]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,600 INFO L274 CegarLoopResult]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,600 INFO L274 CegarLoopResult]: For program point L412(lines 412 423) no Hoare annotation was computed. [2020-11-28 03:01:29,600 INFO L274 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-11-28 03:01:29,600 INFO L274 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-11-28 03:01:29,600 INFO L274 CegarLoopResult]: For program point L347(lines 347 423) no Hoare annotation was computed. [2020-11-28 03:01:29,600 INFO L274 CegarLoopResult]: For program point L149(lines 149 423) no Hoare annotation was computed. [2020-11-28 03:01:29,600 INFO L274 CegarLoopResult]: For program point L414(lines 414 423) no Hoare annotation was computed. [2020-11-28 03:01:29,600 INFO L274 CegarLoopResult]: For program point L348(lines 348 357) no Hoare annotation was computed. [2020-11-28 03:01:29,601 INFO L274 CegarLoopResult]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2020-11-28 03:01:29,601 INFO L274 CegarLoopResult]: For program point L84(lines 84 423) no Hoare annotation was computed. [2020-11-28 03:01:29,601 INFO L274 CegarLoopResult]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,601 INFO L274 CegarLoopResult]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,601 INFO L274 CegarLoopResult]: For program point L85(lines 85 90) no Hoare annotation was computed. [2020-11-28 03:01:29,601 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2020-11-28 03:01:29,601 INFO L274 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-11-28 03:01:29,601 INFO L274 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-11-28 03:01:29,602 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:01:29,602 INFO L274 CegarLoopResult]: For program point L417(lines 417 423) no Hoare annotation was computed. [2020-11-28 03:01:29,602 INFO L274 CegarLoopResult]: For program point L153(lines 153 423) no Hoare annotation was computed. [2020-11-28 03:01:29,602 INFO L270 CegarLoopResult]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse5 (= ~a21~0 1)) (.cse4 (= ~a19~0 1)) (.cse9 (not (= ~a11~0 1))) (.cse8 (<= ~a28~0 7)) (.cse6 (<= ~a17~0 8)) (.cse2 (<= ~a25~0 0)) (.cse0 (<= 9 ~a28~0)) (.cse7 (= ~a25~0 1)) (.cse1 (<= ~a17~0 7)) (.cse3 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse6 .cse2 .cse3) (and .cse4 .cse7 .cse8 .cse6) (and .cse4 .cse5 (= ~a17~0 8) .cse7 .cse9) (and .cse4 .cse7 .cse9 .cse6 .cse3) (and .cse0 .cse4 .cse7 .cse6 .cse3) (and .cse7 .cse9 .cse8 .cse6) (and .cse0 .cse7 .cse9 .cse6 .cse3) (and .cse9 .cse6 .cse2 .cse3) (and .cse8 .cse6 .cse2) (and .cse0 .cse7 .cse1 .cse3))) [2020-11-28 03:01:29,602 INFO L274 CegarLoopResult]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,602 INFO L274 CegarLoopResult]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,603 INFO L274 CegarLoopResult]: For program point L286(lines 286 423) no Hoare annotation was computed. [2020-11-28 03:01:29,603 INFO L274 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-11-28 03:01:29,603 INFO L274 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-11-28 03:01:29,603 INFO L274 CegarLoopResult]: For program point L419(lines 419 423) no Hoare annotation was computed. [2020-11-28 03:01:29,603 INFO L274 CegarLoopResult]: For program point L222(lines 222 423) no Hoare annotation was computed. [2020-11-28 03:01:29,603 INFO L274 CegarLoopResult]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,603 INFO L274 CegarLoopResult]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,603 INFO L274 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-11-28 03:01:29,604 INFO L274 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-11-28 03:01:29,604 INFO L274 CegarLoopResult]: For program point L290(lines 290 423) no Hoare annotation was computed. [2020-11-28 03:01:29,604 INFO L274 CegarLoopResult]: For program point L158(lines 158 423) no Hoare annotation was computed. [2020-11-28 03:01:29,604 INFO L274 CegarLoopResult]: For program point L92(lines 92 423) no Hoare annotation was computed. [2020-11-28 03:01:29,604 INFO L274 CegarLoopResult]: For program point L621(line 621) no Hoare annotation was computed. [2020-11-28 03:01:29,604 INFO L274 CegarLoopResult]: For program point L225(lines 225 423) no Hoare annotation was computed. [2020-11-28 03:01:29,604 INFO L274 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-11-28 03:01:29,604 INFO L274 CegarLoopResult]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2020-11-28 03:01:29,604 INFO L274 CegarLoopResult]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,605 INFO L274 CegarLoopResult]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,605 INFO L274 CegarLoopResult]: For program point L424(lines 424 426) no Hoare annotation was computed. [2020-11-28 03:01:29,605 INFO L274 CegarLoopResult]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,605 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:01:29,605 INFO L274 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-11-28 03:01:29,605 INFO L274 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-11-28 03:01:29,605 INFO L274 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-11-28 03:01:29,605 INFO L274 CegarLoopResult]: For program point L359(lines 359 423) no Hoare annotation was computed. [2020-11-28 03:01:29,606 INFO L274 CegarLoopResult]: For program point L293(lines 293 423) no Hoare annotation was computed. [2020-11-28 03:01:29,606 INFO L274 CegarLoopResult]: For program point L228(lines 228 423) no Hoare annotation was computed. [2020-11-28 03:01:29,606 INFO L274 CegarLoopResult]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,606 INFO L274 CegarLoopResult]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,606 INFO L274 CegarLoopResult]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,606 INFO L274 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-11-28 03:01:29,606 INFO L274 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-11-28 03:01:29,606 INFO L274 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-11-28 03:01:29,607 INFO L274 CegarLoopResult]: For program point L296(lines 296 423) no Hoare annotation was computed. [2020-11-28 03:01:29,607 INFO L274 CegarLoopResult]: For program point L164(lines 164 423) no Hoare annotation was computed. [2020-11-28 03:01:29,607 INFO L274 CegarLoopResult]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,607 INFO L274 CegarLoopResult]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,607 INFO L274 CegarLoopResult]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:01:29,607 INFO L274 CegarLoopResult]: For program point L364(lines 364 423) no Hoare annotation was computed. [2020-11-28 03:01:29,607 INFO L274 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-11-28 03:01:29,607 INFO L274 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-11-28 03:01:29,607 INFO L274 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-11-28 03:01:29,608 INFO L274 CegarLoopResult]: For program point L233(lines 233 423) no Hoare annotation was computed. [2020-11-28 03:01:29,608 INFO L274 CegarLoopResult]: For program point L101(lines 101 423) no Hoare annotation was computed. [2020-11-28 03:01:29,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:01:29 BoogieIcfgContainer [2020-11-28 03:01:29,628 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:01:29,629 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:01:29,629 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:01:29,629 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:01:29,630 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:01:15" (3/4) ... [2020-11-28 03:01:29,633 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:01:29,672 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-28 03:01:29,674 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 03:01:29,675 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:01:29,677 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:01:29,839 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7239312b-9c42-4fde-8d56-956b837fac18/bin/uautomizer/witness.graphml [2020-11-28 03:01:29,840 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:01:29,841 INFO L168 Benchmark]: Toolchain (without parser) took 16842.21 ms. Allocated memory was 130.0 MB in the beginning and 302.0 MB in the end (delta: 172.0 MB). Free memory was 99.7 MB in the beginning and 109.7 MB in the end (delta: -10.0 MB). Peak memory consumption was 161.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:29,841 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 86.0 MB. Free memory is still 46.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:01:29,841 INFO L168 Benchmark]: CACSL2BoogieTranslator took 795.15 ms. Allocated memory is still 130.0 MB. Free memory was 99.3 MB in the beginning and 89.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:29,842 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.82 ms. Allocated memory is still 130.0 MB. Free memory was 89.9 MB in the beginning and 84.6 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:29,842 INFO L168 Benchmark]: Boogie Preprocessor took 111.18 ms. Allocated memory is still 130.0 MB. Free memory was 84.6 MB in the beginning and 80.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:29,843 INFO L168 Benchmark]: RCFGBuilder took 1652.69 ms. Allocated memory was 130.0 MB in the beginning and 174.1 MB in the end (delta: 44.0 MB). Free memory was 79.9 MB in the beginning and 117.7 MB in the end (delta: -37.8 MB). Peak memory consumption was 41.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:29,843 INFO L168 Benchmark]: TraceAbstraction took 13953.29 ms. Allocated memory was 174.1 MB in the beginning and 302.0 MB in the end (delta: 127.9 MB). Free memory was 116.7 MB in the beginning and 124.4 MB in the end (delta: -7.7 MB). Peak memory consumption was 119.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:29,843 INFO L168 Benchmark]: Witness Printer took 210.85 ms. Allocated memory is still 302.0 MB. Free memory was 124.4 MB in the beginning and 109.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:29,846 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 86.0 MB. Free memory is still 46.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 795.15 ms. Allocated memory is still 130.0 MB. Free memory was 99.3 MB in the beginning and 89.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 103.82 ms. Allocated memory is still 130.0 MB. Free memory was 89.9 MB in the beginning and 84.6 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 111.18 ms. Allocated memory is still 130.0 MB. Free memory was 84.6 MB in the beginning and 80.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1652.69 ms. Allocated memory was 130.0 MB in the beginning and 174.1 MB in the end (delta: 44.0 MB). Free memory was 79.9 MB in the beginning and 117.7 MB in the end (delta: -37.8 MB). Peak memory consumption was 41.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 13953.29 ms. Allocated memory was 174.1 MB in the beginning and 302.0 MB in the end (delta: 127.9 MB). Free memory was 116.7 MB in the beginning and 124.4 MB in the end (delta: -7.7 MB). Peak memory consumption was 119.1 MB. Max. memory is 16.1 GB. * Witness Printer took 210.85 ms. Allocated memory is still 302.0 MB. Free memory was 124.4 MB in the beginning and 109.7 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: ((((((((((((9 <= a28 && a17 <= 7) && a25 <= 0) && a28 <= 10) || (((((9 <= a28 && a19 == 1) && a21 == 1) && a17 <= 8) && a25 <= 0) && a28 <= 10)) || (((a19 == 1 && a25 == 1) && a28 <= 7) && a17 <= 8)) || ((((a19 == 1 && a21 == 1) && a17 == 8) && a25 == 1) && !(a11 == 1))) || ((((a19 == 1 && a25 == 1) && !(a11 == 1)) && a17 <= 8) && a28 <= 10)) || ((((9 <= a28 && a19 == 1) && a25 == 1) && a17 <= 8) && a28 <= 10)) || (((a25 == 1 && !(a11 == 1)) && a28 <= 7) && a17 <= 8)) || ((((9 <= a28 && a25 == 1) && !(a11 == 1)) && a17 <= 8) && a28 <= 10)) || (((!(a11 == 1) && a17 <= 8) && a25 <= 0) && a28 <= 10)) || ((a28 <= 7 && a17 <= 8) && a25 <= 0)) || (((9 <= a28 && a25 == 1) && a17 <= 7) && a28 <= 10) - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: ((((((((((((9 <= a28 && a17 <= 7) && a25 <= 0) && a28 <= 10) || (((((9 <= a28 && a19 == 1) && a21 == 1) && a17 <= 8) && a25 <= 0) && a28 <= 10)) || (((a19 == 1 && a25 == 1) && a28 <= 7) && a17 <= 8)) || ((((a19 == 1 && a21 == 1) && a17 == 8) && a25 == 1) && !(a11 == 1))) || ((((a19 == 1 && a25 == 1) && !(a11 == 1)) && a17 <= 8) && a28 <= 10)) || ((((9 <= a28 && a19 == 1) && a25 == 1) && a17 <= 8) && a28 <= 10)) || (((a25 == 1 && !(a11 == 1)) && a28 <= 7) && a17 <= 8)) || ((((9 <= a28 && a25 == 1) && !(a11 == 1)) && a17 <= 8) && a28 <= 10)) || (((!(a11 == 1) && a17 <= 8) && a25 <= 0) && a28 <= 10)) || ((a28 <= 7 && a17 <= 8) && a25 <= 0)) || (((9 <= a28 && a25 == 1) && a17 <= 7) && a28 <= 10) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 228 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.3s, OverallIterations: 11, TraceHistogramMax: 6, AutomataDifference: 8.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1174 SDtfs, 1692 SDslu, 163 SDs, 0 SdLazy, 4004 SolverSat, 631 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 508 GetRequests, 485 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1419occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 321 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 47 NumberOfFragments, 329 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1234 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 54 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 2397 NumberOfCodeBlocks, 2397 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2383 ConstructedInterpolants, 0 QuantifiedInterpolants, 985068 SizeOfPredicates, 1 NumberOfNonLiveVariables, 919 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 1136/1163 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...