./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label46.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9a9f1b41-b367-495b-8eae-332f2e25e64f/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9a9f1b41-b367-495b-8eae-332f2e25e64f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9a9f1b41-b367-495b-8eae-332f2e25e64f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9a9f1b41-b367-495b-8eae-332f2e25e64f/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label46.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9a9f1b41-b367-495b-8eae-332f2e25e64f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9a9f1b41-b367-495b-8eae-332f2e25e64f/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 3f83959aec6dac2930f68b7df14b6587f62827dd ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 19:06:27,411 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:06:27,414 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:06:27,479 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:06:27,501 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:06:27,503 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:06:27,519 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:06:27,522 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:06:27,525 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:06:27,527 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:06:27,529 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:06:27,534 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:06:27,535 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:06:27,537 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:06:27,539 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:06:27,541 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:06:27,542 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:06:27,544 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:06:27,547 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:06:27,551 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:06:27,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:06:27,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:06:27,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:06:27,560 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:06:27,565 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:06:27,565 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:06:27,566 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:06:27,567 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:06:27,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:06:27,570 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:06:27,571 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:06:27,572 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:06:27,574 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:06:27,575 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:06:27,577 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:06:27,577 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:06:27,579 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:06:27,579 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:06:27,580 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:06:27,582 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:06:27,583 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:06:27,584 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9a9f1b41-b367-495b-8eae-332f2e25e64f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 19:06:27,616 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:06:27,617 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:06:27,619 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:06:27,619 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:06:27,620 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:06:27,620 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:06:27,621 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:06:27,621 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:06:27,622 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:06:27,622 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:06:27,623 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:06:27,624 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:06:27,624 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:06:27,624 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:06:27,625 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:06:27,625 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:06:27,625 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:06:27,626 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:06:27,626 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:06:27,626 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:06:27,627 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 19:06:27,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:06:27,627 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:06:27,628 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:06:27,628 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:06:27,628 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:06:27,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:06:27,629 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:06:27,629 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:06:27,629 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_9a9f1b41-b367-495b-8eae-332f2e25e64f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9a9f1b41-b367-495b-8eae-332f2e25e64f/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f83959aec6dac2930f68b7df14b6587f62827dd [2020-11-29 19:06:28,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:06:28,109 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:06:28,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:06:28,116 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:06:28,119 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:06:28,121 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9a9f1b41-b367-495b-8eae-332f2e25e64f/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label46.c [2020-11-29 19:06:28,220 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9a9f1b41-b367-495b-8eae-332f2e25e64f/bin/uautomizer/data/4444dfb5a/78054b76bcd849989378262dd6298962/FLAGadbe15db5 [2020-11-29 19:06:29,102 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:06:29,103 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9a9f1b41-b367-495b-8eae-332f2e25e64f/sv-benchmarks/c/eca-rers2012/Problem14_label46.c [2020-11-29 19:06:29,123 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9a9f1b41-b367-495b-8eae-332f2e25e64f/bin/uautomizer/data/4444dfb5a/78054b76bcd849989378262dd6298962/FLAGadbe15db5 [2020-11-29 19:06:29,286 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9a9f1b41-b367-495b-8eae-332f2e25e64f/bin/uautomizer/data/4444dfb5a/78054b76bcd849989378262dd6298962 [2020-11-29 19:06:29,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:06:29,293 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:06:29,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:06:29,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:06:29,314 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:06:29,315 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:06:29" (1/1) ... [2020-11-29 19:06:29,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@256489d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:06:29, skipping insertion in model container [2020-11-29 19:06:29,321 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:06:29" (1/1) ... [2020-11-29 19:06:29,333 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:06:29,439 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:06:30,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:06:30,176 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:06:30,377 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:06:30,396 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:06:30,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:06:30 WrapperNode [2020-11-29 19:06:30,397 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:06:30,399 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:06:30,399 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:06:30,399 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:06:30,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:06:30" (1/1) ... [2020-11-29 19:06:30,443 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:06:30" (1/1) ... [2020-11-29 19:06:30,538 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:06:30,539 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:06:30,539 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:06:30,540 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:06:30,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:06:30" (1/1) ... [2020-11-29 19:06:30,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:06:30" (1/1) ... [2020-11-29 19:06:30,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:06:30" (1/1) ... [2020-11-29 19:06:30,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:06:30" (1/1) ... [2020-11-29 19:06:30,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:06:30" (1/1) ... [2020-11-29 19:06:30,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:06:30" (1/1) ... [2020-11-29 19:06:30,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:06:30" (1/1) ... [2020-11-29 19:06:30,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:06:30,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:06:30,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:06:30,763 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:06:30,765 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:06:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9a9f1b41-b367-495b-8eae-332f2e25e64f/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:06:30,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:06:30,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:06:30,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:06:30,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:06:32,865 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:06:32,866 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 19:06:32,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:06:32 BoogieIcfgContainer [2020-11-29 19:06:32,868 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:06:32,870 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 19:06:32,870 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 19:06:32,875 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 19:06:32,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:06:29" (1/3) ... [2020-11-29 19:06:32,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4540e649 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:06:32, skipping insertion in model container [2020-11-29 19:06:32,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:06:30" (2/3) ... [2020-11-29 19:06:32,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4540e649 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:06:32, skipping insertion in model container [2020-11-29 19:06:32,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:06:32" (3/3) ... [2020-11-29 19:06:32,879 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label46.c [2020-11-29 19:06:32,893 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 19:06:32,899 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 19:06:32,914 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 19:06:32,962 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 19:06:32,964 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 19:06:32,964 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 19:06:32,965 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:06:32,965 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:06:32,965 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 19:06:32,965 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:06:32,966 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 19:06:32,997 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states. [2020-11-29 19:06:33,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-29 19:06:33,011 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:06:33,012 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] [2020-11-29 19:06:33,012 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:06:33,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:06:33,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1453294289, now seen corresponding path program 1 times [2020-11-29 19:06:33,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:06:33,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625501124] [2020-11-29 19:06:33,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:06:33,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:06:33,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:06:33,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625501124] [2020-11-29 19:06:33,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:06:33,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:06:33,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498084935] [2020-11-29 19:06:33,424 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:06:33,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:06:33,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:06:33,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:06:33,447 INFO L87 Difference]: Start difference. First operand 246 states. Second operand 4 states. [2020-11-29 19:06:36,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:06:36,384 INFO L93 Difference]: Finished difference Result 853 states and 1561 transitions. [2020-11-29 19:06:36,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 19:06:36,386 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 39 [2020-11-29 19:06:36,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:06:36,435 INFO L225 Difference]: With dead ends: 853 [2020-11-29 19:06:36,435 INFO L226 Difference]: Without dead ends: 538 [2020-11-29 19:06:36,441 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:06:36,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2020-11-29 19:06:36,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2020-11-29 19:06:36,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2020-11-29 19:06:36,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 778 transitions. [2020-11-29 19:06:36,611 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 778 transitions. Word has length 39 [2020-11-29 19:06:36,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:06:36,612 INFO L481 AbstractCegarLoop]: Abstraction has 538 states and 778 transitions. [2020-11-29 19:06:36,612 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:06:36,612 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 778 transitions. [2020-11-29 19:06:36,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-11-29 19:06:36,627 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:06:36,627 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2020-11-29 19:06:36,627 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 19:06:36,628 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:06:36,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:06:36,629 INFO L82 PathProgramCache]: Analyzing trace with hash -1994003883, now seen corresponding path program 1 times [2020-11-29 19:06:36,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:06:36,630 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82551588] [2020-11-29 19:06:36,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:06:36,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:06:36,967 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-11-29 19:06:36,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82551588] [2020-11-29 19:06:36,968 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:06:36,968 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:06:36,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980853985] [2020-11-29 19:06:36,971 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:06:36,971 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:06:36,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:06:36,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:06:36,974 INFO L87 Difference]: Start difference. First operand 538 states and 778 transitions. Second operand 3 states. [2020-11-29 19:06:38,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:06:38,239 INFO L93 Difference]: Finished difference Result 1074 states and 1656 transitions. [2020-11-29 19:06:38,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:06:38,249 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 187 [2020-11-29 19:06:38,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:06:38,255 INFO L225 Difference]: With dead ends: 1074 [2020-11-29 19:06:38,256 INFO L226 Difference]: Without dead ends: 716 [2020-11-29 19:06:38,259 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:06:38,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2020-11-29 19:06:38,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 716. [2020-11-29 19:06:38,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2020-11-29 19:06:38,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 968 transitions. [2020-11-29 19:06:38,307 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 968 transitions. Word has length 187 [2020-11-29 19:06:38,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:06:38,309 INFO L481 AbstractCegarLoop]: Abstraction has 716 states and 968 transitions. [2020-11-29 19:06:38,310 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:06:38,310 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 968 transitions. [2020-11-29 19:06:38,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-11-29 19:06:38,325 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:06:38,325 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:06:38,326 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 19:06:38,326 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:06:38,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:06:38,327 INFO L82 PathProgramCache]: Analyzing trace with hash 399094668, now seen corresponding path program 1 times [2020-11-29 19:06:38,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:06:38,328 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736493043] [2020-11-29 19:06:38,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:06:38,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:06:38,778 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-29 19:06:38,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736493043] [2020-11-29 19:06:38,779 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:06:38,779 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:06:38,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664291181] [2020-11-29 19:06:38,783 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:06:38,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:06:38,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:06:38,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:06:38,791 INFO L87 Difference]: Start difference. First operand 716 states and 968 transitions. Second operand 4 states. [2020-11-29 19:06:40,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:06:40,305 INFO L93 Difference]: Finished difference Result 1637 states and 2268 transitions. [2020-11-29 19:06:40,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 19:06:40,307 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 210 [2020-11-29 19:06:40,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:06:40,317 INFO L225 Difference]: With dead ends: 1637 [2020-11-29 19:06:40,317 INFO L226 Difference]: Without dead ends: 1072 [2020-11-29 19:06:40,320 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:06:40,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2020-11-29 19:06:40,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 894. [2020-11-29 19:06:40,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-11-29 19:06:40,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1047 transitions. [2020-11-29 19:06:40,358 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1047 transitions. Word has length 210 [2020-11-29 19:06:40,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:06:40,361 INFO L481 AbstractCegarLoop]: Abstraction has 894 states and 1047 transitions. [2020-11-29 19:06:40,361 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:06:40,361 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1047 transitions. [2020-11-29 19:06:40,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2020-11-29 19:06:40,368 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:06:40,369 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:06:40,369 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 19:06:40,369 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:06:40,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:06:40,370 INFO L82 PathProgramCache]: Analyzing trace with hash 1647428544, now seen corresponding path program 1 times [2020-11-29 19:06:40,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:06:40,371 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293246757] [2020-11-29 19:06:40,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:06:40,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:06:41,295 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 174 proven. 130 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2020-11-29 19:06:41,296 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293246757] [2020-11-29 19:06:41,296 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1716921680] [2020-11-29 19:06:41,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9a9f1b41-b367-495b-8eae-332f2e25e64f/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:06:41,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:06:41,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:06:41,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:06:41,834 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2020-11-29 19:06:41,835 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:06:41,836 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-11-29 19:06:41,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554418198] [2020-11-29 19:06:41,837 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:06:41,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:06:41,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:06:41,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-11-29 19:06:41,840 INFO L87 Difference]: Start difference. First operand 894 states and 1047 transitions. Second operand 3 states. [2020-11-29 19:06:42,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:06:42,942 INFO L93 Difference]: Finished difference Result 2320 states and 2778 transitions. [2020-11-29 19:06:42,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:06:42,944 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 341 [2020-11-29 19:06:42,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:06:42,957 INFO L225 Difference]: With dead ends: 2320 [2020-11-29 19:06:42,957 INFO L226 Difference]: Without dead ends: 1606 [2020-11-29 19:06:42,959 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 340 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-11-29 19:06:42,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2020-11-29 19:06:42,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1428. [2020-11-29 19:06:42,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1428 states. [2020-11-29 19:06:43,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1428 states and 1627 transitions. [2020-11-29 19:06:43,001 INFO L78 Accepts]: Start accepts. Automaton has 1428 states and 1627 transitions. Word has length 341 [2020-11-29 19:06:43,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:06:43,004 INFO L481 AbstractCegarLoop]: Abstraction has 1428 states and 1627 transitions. [2020-11-29 19:06:43,004 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:06:43,004 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 1627 transitions. [2020-11-29 19:06:43,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2020-11-29 19:06:43,014 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:06:43,014 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:06:43,239 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:06:43,240 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:06:43,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:06:43,240 INFO L82 PathProgramCache]: Analyzing trace with hash 24129947, now seen corresponding path program 1 times [2020-11-29 19:06:43,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:06:43,241 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319681361] [2020-11-29 19:06:43,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:06:43,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:06:44,040 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 539 proven. 130 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-11-29 19:06:44,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319681361] [2020-11-29 19:06:44,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1061719804] [2020-11-29 19:06:44,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9a9f1b41-b367-495b-8eae-332f2e25e64f/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:06:44,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:06:44,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:06:44,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:06:44,502 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 559 trivial. 0 not checked. [2020-11-29 19:06:44,502 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:06:44,503 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-11-29 19:06:44,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359015803] [2020-11-29 19:06:44,504 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:06:44,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:06:44,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:06:44,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-29 19:06:44,505 INFO L87 Difference]: Start difference. First operand 1428 states and 1627 transitions. Second operand 3 states. [2020-11-29 19:06:45,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:06:45,451 INFO L93 Difference]: Finished difference Result 3388 states and 3938 transitions. [2020-11-29 19:06:45,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:06:45,452 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 440 [2020-11-29 19:06:45,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:06:45,464 INFO L225 Difference]: With dead ends: 3388 [2020-11-29 19:06:45,464 INFO L226 Difference]: Without dead ends: 2140 [2020-11-29 19:06:45,466 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 444 GetRequests, 439 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-29 19:06:45,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2020-11-29 19:06:45,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 1962. [2020-11-29 19:06:45,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1962 states. [2020-11-29 19:06:45,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2218 transitions. [2020-11-29 19:06:45,528 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2218 transitions. Word has length 440 [2020-11-29 19:06:45,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:06:45,529 INFO L481 AbstractCegarLoop]: Abstraction has 1962 states and 2218 transitions. [2020-11-29 19:06:45,529 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:06:45,530 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2218 transitions. [2020-11-29 19:06:45,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2020-11-29 19:06:45,541 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:06:45,541 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:06:45,765 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:06:45,765 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:06:45,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:06:45,766 INFO L82 PathProgramCache]: Analyzing trace with hash 1573156034, now seen corresponding path program 1 times [2020-11-29 19:06:45,766 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:06:45,766 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866803693] [2020-11-29 19:06:45,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:06:45,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:06:46,544 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 596 proven. 130 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-11-29 19:06:46,544 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866803693] [2020-11-29 19:06:46,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1792742050] [2020-11-29 19:06:46,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9a9f1b41-b367-495b-8eae-332f2e25e64f/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:06:46,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:06:46,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 19:06:46,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:06:47,091 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 412 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2020-11-29 19:06:47,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:06:47,092 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2020-11-29 19:06:47,092 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865707977] [2020-11-29 19:06:47,093 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:06:47,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:06:47,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:06:47,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-11-29 19:06:47,094 INFO L87 Difference]: Start difference. First operand 1962 states and 2218 transitions. Second operand 3 states. [2020-11-29 19:06:48,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:06:48,027 INFO L93 Difference]: Finished difference Result 3922 states and 4449 transitions. [2020-11-29 19:06:48,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:06:48,027 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 459 [2020-11-29 19:06:48,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:06:48,042 INFO L225 Difference]: With dead ends: 3922 [2020-11-29 19:06:48,042 INFO L226 Difference]: Without dead ends: 2140 [2020-11-29 19:06:48,045 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 463 GetRequests, 458 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-11-29 19:06:48,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2020-11-29 19:06:48,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 2140. [2020-11-29 19:06:48,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2020-11-29 19:06:48,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2388 transitions. [2020-11-29 19:06:48,103 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2388 transitions. Word has length 459 [2020-11-29 19:06:48,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:06:48,104 INFO L481 AbstractCegarLoop]: Abstraction has 2140 states and 2388 transitions. [2020-11-29 19:06:48,104 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:06:48,105 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2388 transitions. [2020-11-29 19:06:48,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 527 [2020-11-29 19:06:48,118 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:06:48,119 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2020-11-29 19:06:48,333 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:06:48,333 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:06:48,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:06:48,334 INFO L82 PathProgramCache]: Analyzing trace with hash 874253973, now seen corresponding path program 1 times [2020-11-29 19:06:48,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:06:48,334 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302824384] [2020-11-29 19:06:48,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:06:48,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:06:48,850 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 622 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2020-11-29 19:06:48,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302824384] [2020-11-29 19:06:48,851 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:06:48,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:06:48,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797645931] [2020-11-29 19:06:48,852 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:06:48,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:06:48,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:06:48,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:06:48,853 INFO L87 Difference]: Start difference. First operand 2140 states and 2388 transitions. Second operand 3 states. [2020-11-29 19:06:49,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:06:49,983 INFO L93 Difference]: Finished difference Result 4634 states and 5267 transitions. [2020-11-29 19:06:49,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:06:49,984 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 526 [2020-11-29 19:06:49,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:06:50,001 INFO L225 Difference]: With dead ends: 4634 [2020-11-29 19:06:50,001 INFO L226 Difference]: Without dead ends: 2674 [2020-11-29 19:06:50,005 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:06:50,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2020-11-29 19:06:50,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2496. [2020-11-29 19:06:50,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2496 states. [2020-11-29 19:06:50,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 2809 transitions. [2020-11-29 19:06:50,087 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 2809 transitions. Word has length 526 [2020-11-29 19:06:50,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:06:50,088 INFO L481 AbstractCegarLoop]: Abstraction has 2496 states and 2809 transitions. [2020-11-29 19:06:50,088 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:06:50,088 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 2809 transitions. [2020-11-29 19:06:50,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 640 [2020-11-29 19:06:50,099 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:06:50,100 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:06:50,100 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 19:06:50,100 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:06:50,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:06:50,101 INFO L82 PathProgramCache]: Analyzing trace with hash -1117200770, now seen corresponding path program 1 times [2020-11-29 19:06:50,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:06:50,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401760041] [2020-11-29 19:06:50,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:06:50,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:06:50,796 INFO L134 CoverageAnalysis]: Checked inductivity of 1224 backedges. 873 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2020-11-29 19:06:50,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401760041] [2020-11-29 19:06:50,797 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:06:50,797 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:06:50,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626888543] [2020-11-29 19:06:50,803 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:06:50,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:06:50,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:06:50,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:06:50,805 INFO L87 Difference]: Start difference. First operand 2496 states and 2809 transitions. Second operand 3 states. [2020-11-29 19:06:51,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:06:51,856 INFO L93 Difference]: Finished difference Result 5880 states and 6687 transitions. [2020-11-29 19:06:51,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:06:51,857 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 639 [2020-11-29 19:06:51,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:06:51,876 INFO L225 Difference]: With dead ends: 5880 [2020-11-29 19:06:51,876 INFO L226 Difference]: Without dead ends: 3564 [2020-11-29 19:06:51,880 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:06:51,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3564 states. [2020-11-29 19:06:51,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3564 to 3564. [2020-11-29 19:06:51,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3564 states. [2020-11-29 19:06:51,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3564 states to 3564 states and 4000 transitions. [2020-11-29 19:06:51,977 INFO L78 Accepts]: Start accepts. Automaton has 3564 states and 4000 transitions. Word has length 639 [2020-11-29 19:06:51,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:06:51,979 INFO L481 AbstractCegarLoop]: Abstraction has 3564 states and 4000 transitions. [2020-11-29 19:06:51,979 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:06:51,979 INFO L276 IsEmpty]: Start isEmpty. Operand 3564 states and 4000 transitions. [2020-11-29 19:06:51,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 700 [2020-11-29 19:06:51,989 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:06:51,989 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:06:51,990 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 19:06:51,990 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:06:51,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:06:51,991 INFO L82 PathProgramCache]: Analyzing trace with hash -1111826348, now seen corresponding path program 1 times [2020-11-29 19:06:51,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:06:51,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618428450] [2020-11-29 19:06:51,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:06:52,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:06:52,886 INFO L134 CoverageAnalysis]: Checked inductivity of 1284 backedges. 1005 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2020-11-29 19:06:52,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618428450] [2020-11-29 19:06:52,886 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:06:52,886 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:06:52,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843979952] [2020-11-29 19:06:52,888 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:06:52,888 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:06:52,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:06:52,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:06:52,889 INFO L87 Difference]: Start difference. First operand 3564 states and 4000 transitions. Second operand 3 states. [2020-11-29 19:06:53,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:06:53,588 INFO L93 Difference]: Finished difference Result 6948 states and 7819 transitions. [2020-11-29 19:06:53,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:06:53,590 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 699 [2020-11-29 19:06:53,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:06:53,607 INFO L225 Difference]: With dead ends: 6948 [2020-11-29 19:06:53,607 INFO L226 Difference]: Without dead ends: 3564 [2020-11-29 19:06:53,612 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:06:53,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3564 states. [2020-11-29 19:06:53,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3564 to 3564. [2020-11-29 19:06:53,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3564 states. [2020-11-29 19:06:53,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3564 states to 3564 states and 3967 transitions. [2020-11-29 19:06:53,704 INFO L78 Accepts]: Start accepts. Automaton has 3564 states and 3967 transitions. Word has length 699 [2020-11-29 19:06:53,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:06:53,706 INFO L481 AbstractCegarLoop]: Abstraction has 3564 states and 3967 transitions. [2020-11-29 19:06:53,706 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:06:53,706 INFO L276 IsEmpty]: Start isEmpty. Operand 3564 states and 3967 transitions. [2020-11-29 19:06:53,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 724 [2020-11-29 19:06:53,715 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:06:53,716 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:06:53,716 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 19:06:53,716 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:06:53,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:06:53,717 INFO L82 PathProgramCache]: Analyzing trace with hash -1378000360, now seen corresponding path program 1 times [2020-11-29 19:06:53,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:06:53,718 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567092204] [2020-11-29 19:06:53,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:06:53,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:06:54,969 INFO L134 CoverageAnalysis]: Checked inductivity of 1333 backedges. 824 proven. 23 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2020-11-29 19:06:54,970 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567092204] [2020-11-29 19:06:54,970 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1143123284] [2020-11-29 19:06:54,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9a9f1b41-b367-495b-8eae-332f2e25e64f/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:06:55,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:06:55,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:06:55,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:06:55,651 INFO L134 CoverageAnalysis]: Checked inductivity of 1333 backedges. 587 proven. 0 refuted. 0 times theorem prover too weak. 746 trivial. 0 not checked. [2020-11-29 19:06:55,651 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:06:55,652 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-29 19:06:55,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508191706] [2020-11-29 19:06:55,653 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:06:55,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:06:55,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:06:55,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-29 19:06:55,654 INFO L87 Difference]: Start difference. First operand 3564 states and 3967 transitions. Second operand 3 states. [2020-11-29 19:06:56,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:06:56,447 INFO L93 Difference]: Finished difference Result 7482 states and 8425 transitions. [2020-11-29 19:06:56,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:06:56,449 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 723 [2020-11-29 19:06:56,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:06:56,471 INFO L225 Difference]: With dead ends: 7482 [2020-11-29 19:06:56,471 INFO L226 Difference]: Without dead ends: 4098 [2020-11-29 19:06:56,475 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 726 GetRequests, 722 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-29 19:06:56,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4098 states. [2020-11-29 19:06:56,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4098 to 4098. [2020-11-29 19:06:56,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4098 states. [2020-11-29 19:06:56,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4098 states to 4098 states and 4610 transitions. [2020-11-29 19:06:56,581 INFO L78 Accepts]: Start accepts. Automaton has 4098 states and 4610 transitions. Word has length 723 [2020-11-29 19:06:56,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:06:56,582 INFO L481 AbstractCegarLoop]: Abstraction has 4098 states and 4610 transitions. [2020-11-29 19:06:56,582 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:06:56,583 INFO L276 IsEmpty]: Start isEmpty. Operand 4098 states and 4610 transitions. [2020-11-29 19:06:56,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 753 [2020-11-29 19:06:56,594 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:06:56,595 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:06:56,809 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:06:56,809 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:06:56,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:06:56,810 INFO L82 PathProgramCache]: Analyzing trace with hash -502116227, now seen corresponding path program 1 times [2020-11-29 19:06:56,810 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:06:56,810 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442045080] [2020-11-29 19:06:56,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:06:56,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:06:57,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1424 backedges. 857 proven. 23 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2020-11-29 19:06:57,942 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442045080] [2020-11-29 19:06:57,942 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2015785641] [2020-11-29 19:06:57,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9a9f1b41-b367-495b-8eae-332f2e25e64f/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:06:58,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:06:58,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 932 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 19:06:58,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:06:58,839 INFO L134 CoverageAnalysis]: Checked inductivity of 1424 backedges. 880 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2020-11-29 19:06:58,839 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:06:58,840 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-29 19:06:58,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085699910] [2020-11-29 19:06:58,841 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:06:58,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:06:58,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:06:58,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-29 19:06:58,842 INFO L87 Difference]: Start difference. First operand 4098 states and 4610 transitions. Second operand 4 states. [2020-11-29 19:06:59,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:06:59,972 INFO L93 Difference]: Finished difference Result 8550 states and 9616 transitions. [2020-11-29 19:06:59,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 19:06:59,973 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 752 [2020-11-29 19:06:59,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:06:59,992 INFO L225 Difference]: With dead ends: 8550 [2020-11-29 19:06:59,992 INFO L226 Difference]: Without dead ends: 4276 [2020-11-29 19:06:59,998 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 755 GetRequests, 750 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-29 19:07:00,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4276 states. [2020-11-29 19:07:00,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4276 to 3920. [2020-11-29 19:07:00,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3920 states. [2020-11-29 19:07:00,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3920 states to 3920 states and 4240 transitions. [2020-11-29 19:07:00,111 INFO L78 Accepts]: Start accepts. Automaton has 3920 states and 4240 transitions. Word has length 752 [2020-11-29 19:07:00,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:07:00,112 INFO L481 AbstractCegarLoop]: Abstraction has 3920 states and 4240 transitions. [2020-11-29 19:07:00,112 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:07:00,112 INFO L276 IsEmpty]: Start isEmpty. Operand 3920 states and 4240 transitions. [2020-11-29 19:07:00,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 824 [2020-11-29 19:07:00,130 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:07:00,131 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:07:00,357 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-11-29 19:07:00,357 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:07:00,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:07:00,358 INFO L82 PathProgramCache]: Analyzing trace with hash -1432685545, now seen corresponding path program 1 times [2020-11-29 19:07:00,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:07:00,358 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035429748] [2020-11-29 19:07:00,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:07:00,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:07:01,331 INFO L134 CoverageAnalysis]: Checked inductivity of 1919 backedges. 1413 proven. 155 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2020-11-29 19:07:01,331 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035429748] [2020-11-29 19:07:01,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [169003974] [2020-11-29 19:07:01,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9a9f1b41-b367-495b-8eae-332f2e25e64f/bin/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:07:01,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:07:01,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 19:07:01,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:07:02,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1919 backedges. 1413 proven. 155 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2020-11-29 19:07:02,138 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 19:07:02,138 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-11-29 19:07:02,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572698168] [2020-11-29 19:07:02,140 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:07:02,141 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:07:02,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:07:02,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:07:02,143 INFO L87 Difference]: Start difference. First operand 3920 states and 4240 transitions. Second operand 4 states. [2020-11-29 19:07:03,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:07:03,199 INFO L93 Difference]: Finished difference Result 9262 states and 10023 transitions. [2020-11-29 19:07:03,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 19:07:03,199 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 823 [2020-11-29 19:07:03,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:07:03,230 INFO L225 Difference]: With dead ends: 9262 [2020-11-29 19:07:03,230 INFO L226 Difference]: Without dead ends: 5522 [2020-11-29 19:07:03,234 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 826 GetRequests, 824 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:07:03,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5522 states. [2020-11-29 19:07:03,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5522 to 4988. [2020-11-29 19:07:03,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4988 states. [2020-11-29 19:07:03,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4988 states to 4988 states and 5389 transitions. [2020-11-29 19:07:03,327 INFO L78 Accepts]: Start accepts. Automaton has 4988 states and 5389 transitions. Word has length 823 [2020-11-29 19:07:03,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:07:03,328 INFO L481 AbstractCegarLoop]: Abstraction has 4988 states and 5389 transitions. [2020-11-29 19:07:03,328 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:07:03,328 INFO L276 IsEmpty]: Start isEmpty. Operand 4988 states and 5389 transitions. [2020-11-29 19:07:03,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 914 [2020-11-29 19:07:03,344 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:07:03,345 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:07:03,561 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:07:03,561 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:07:03,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:07:03,562 INFO L82 PathProgramCache]: Analyzing trace with hash 1828051469, now seen corresponding path program 1 times [2020-11-29 19:07:03,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:07:03,562 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401771784] [2020-11-29 19:07:03,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:07:03,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:07:04,674 INFO L134 CoverageAnalysis]: Checked inductivity of 2405 backedges. 1706 proven. 0 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2020-11-29 19:07:04,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401771784] [2020-11-29 19:07:04,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:07:04,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:07:04,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963393483] [2020-11-29 19:07:04,676 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:07:04,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:07:04,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:07:04,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:07:04,678 INFO L87 Difference]: Start difference. First operand 4988 states and 5389 transitions. Second operand 3 states. [2020-11-29 19:07:05,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:07:05,415 INFO L93 Difference]: Finished difference Result 9796 states and 10597 transitions. [2020-11-29 19:07:05,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:07:05,416 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 913 [2020-11-29 19:07:05,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:07:05,425 INFO L225 Difference]: With dead ends: 9796 [2020-11-29 19:07:05,425 INFO L226 Difference]: Without dead ends: 4988 [2020-11-29 19:07:05,429 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:07:05,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4988 states. [2020-11-29 19:07:05,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4988 to 4454. [2020-11-29 19:07:05,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4454 states. [2020-11-29 19:07:05,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4454 states to 4454 states and 4767 transitions. [2020-11-29 19:07:05,492 INFO L78 Accepts]: Start accepts. Automaton has 4454 states and 4767 transitions. Word has length 913 [2020-11-29 19:07:05,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:07:05,493 INFO L481 AbstractCegarLoop]: Abstraction has 4454 states and 4767 transitions. [2020-11-29 19:07:05,493 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:07:05,493 INFO L276 IsEmpty]: Start isEmpty. Operand 4454 states and 4767 transitions. [2020-11-29 19:07:05,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 991 [2020-11-29 19:07:05,507 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:07:05,508 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:07:05,508 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-29 19:07:05,508 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:07:05,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:07:05,509 INFO L82 PathProgramCache]: Analyzing trace with hash 1285883498, now seen corresponding path program 1 times [2020-11-29 19:07:05,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:07:05,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892630724] [2020-11-29 19:07:05,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:07:05,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:07:06,486 INFO L134 CoverageAnalysis]: Checked inductivity of 2975 backedges. 1027 proven. 0 refuted. 0 times theorem prover too weak. 1948 trivial. 0 not checked. [2020-11-29 19:07:06,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892630724] [2020-11-29 19:07:06,486 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:07:06,487 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:07:06,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141370956] [2020-11-29 19:07:06,488 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:07:06,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:07:06,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:07:06,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:07:06,489 INFO L87 Difference]: Start difference. First operand 4454 states and 4767 transitions. Second operand 3 states. [2020-11-29 19:07:07,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:07:07,129 INFO L93 Difference]: Finished difference Result 8728 states and 9353 transitions. [2020-11-29 19:07:07,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:07:07,136 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 990 [2020-11-29 19:07:07,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:07:07,146 INFO L225 Difference]: With dead ends: 8728 [2020-11-29 19:07:07,146 INFO L226 Difference]: Without dead ends: 4454 [2020-11-29 19:07:07,150 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:07:07,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4454 states. [2020-11-29 19:07:07,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4454 to 4454. [2020-11-29 19:07:07,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4454 states. [2020-11-29 19:07:07,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4454 states to 4454 states and 4693 transitions. [2020-11-29 19:07:07,249 INFO L78 Accepts]: Start accepts. Automaton has 4454 states and 4693 transitions. Word has length 990 [2020-11-29 19:07:07,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:07:07,250 INFO L481 AbstractCegarLoop]: Abstraction has 4454 states and 4693 transitions. [2020-11-29 19:07:07,250 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:07:07,251 INFO L276 IsEmpty]: Start isEmpty. Operand 4454 states and 4693 transitions. [2020-11-29 19:07:07,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1037 [2020-11-29 19:07:07,265 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:07:07,267 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:07:07,267 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-29 19:07:07,267 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:07:07,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:07:07,268 INFO L82 PathProgramCache]: Analyzing trace with hash 1420771325, now seen corresponding path program 1 times [2020-11-29 19:07:07,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:07:07,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965362938] [2020-11-29 19:07:07,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:07:07,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:07:08,571 INFO L134 CoverageAnalysis]: Checked inductivity of 3529 backedges. 2476 proven. 72 refuted. 0 times theorem prover too weak. 981 trivial. 0 not checked. [2020-11-29 19:07:08,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965362938] [2020-11-29 19:07:08,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [338250275] [2020-11-29 19:07:08,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9a9f1b41-b367-495b-8eae-332f2e25e64f/bin/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:07:08,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:07:08,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 1310 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-29 19:07:08,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:07:08,943 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 19:07:08,974 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 19:07:08,984 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 19:07:13,233 INFO L134 CoverageAnalysis]: Checked inductivity of 3529 backedges. 2189 proven. 0 refuted. 0 times theorem prover too weak. 1340 trivial. 0 not checked. [2020-11-29 19:07:13,233 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:07:13,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2020-11-29 19:07:13,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830074068] [2020-11-29 19:07:13,235 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:07:13,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:07:13,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:07:13,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-29 19:07:13,236 INFO L87 Difference]: Start difference. First operand 4454 states and 4693 transitions. Second operand 4 states. [2020-11-29 19:07:16,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:07:16,451 INFO L93 Difference]: Finished difference Result 10330 states and 10894 transitions. [2020-11-29 19:07:16,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 19:07:16,452 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1036 [2020-11-29 19:07:16,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:07:16,465 INFO L225 Difference]: With dead ends: 10330 [2020-11-29 19:07:16,465 INFO L226 Difference]: Without dead ends: 6056 [2020-11-29 19:07:16,470 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1040 GetRequests, 1035 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-29 19:07:16,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6056 states. [2020-11-29 19:07:16,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6056 to 5166. [2020-11-29 19:07:16,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5166 states. [2020-11-29 19:07:16,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5166 states to 5166 states and 5432 transitions. [2020-11-29 19:07:16,561 INFO L78 Accepts]: Start accepts. Automaton has 5166 states and 5432 transitions. Word has length 1036 [2020-11-29 19:07:16,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:07:16,563 INFO L481 AbstractCegarLoop]: Abstraction has 5166 states and 5432 transitions. [2020-11-29 19:07:16,563 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:07:16,563 INFO L276 IsEmpty]: Start isEmpty. Operand 5166 states and 5432 transitions. [2020-11-29 19:07:16,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1184 [2020-11-29 19:07:16,583 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:07:16,584 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 6, 5, 5, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:07:16,800 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-11-29 19:07:16,800 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:07:16,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:07:16,801 INFO L82 PathProgramCache]: Analyzing trace with hash -1606043858, now seen corresponding path program 1 times [2020-11-29 19:07:16,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:07:16,801 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111822444] [2020-11-29 19:07:16,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:07:16,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:07:18,471 INFO L134 CoverageAnalysis]: Checked inductivity of 4663 backedges. 1978 proven. 0 refuted. 0 times theorem prover too weak. 2685 trivial. 0 not checked. [2020-11-29 19:07:18,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111822444] [2020-11-29 19:07:18,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:07:18,472 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:07:18,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701901571] [2020-11-29 19:07:18,473 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:07:18,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:07:18,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:07:18,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:07:18,474 INFO L87 Difference]: Start difference. First operand 5166 states and 5432 transitions. Second operand 3 states. [2020-11-29 19:07:19,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:07:19,235 INFO L93 Difference]: Finished difference Result 10508 states and 11059 transitions. [2020-11-29 19:07:19,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:07:19,236 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1183 [2020-11-29 19:07:19,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:07:19,247 INFO L225 Difference]: With dead ends: 10508 [2020-11-29 19:07:19,248 INFO L226 Difference]: Without dead ends: 5522 [2020-11-29 19:07:19,253 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:07:19,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5522 states. [2020-11-29 19:07:19,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5522 to 5166. [2020-11-29 19:07:19,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5166 states. [2020-11-29 19:07:19,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5166 states to 5166 states and 5422 transitions. [2020-11-29 19:07:19,344 INFO L78 Accepts]: Start accepts. Automaton has 5166 states and 5422 transitions. Word has length 1183 [2020-11-29 19:07:19,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:07:19,346 INFO L481 AbstractCegarLoop]: Abstraction has 5166 states and 5422 transitions. [2020-11-29 19:07:19,346 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:07:19,346 INFO L276 IsEmpty]: Start isEmpty. Operand 5166 states and 5422 transitions. [2020-11-29 19:07:19,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1498 [2020-11-29 19:07:19,372 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:07:19,373 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 8, 7, 7, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:07:19,374 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-11-29 19:07:19,374 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:07:19,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:07:19,375 INFO L82 PathProgramCache]: Analyzing trace with hash 1313982443, now seen corresponding path program 1 times [2020-11-29 19:07:19,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:07:19,375 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213564831] [2020-11-29 19:07:19,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:07:19,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:07:23,563 INFO L134 CoverageAnalysis]: Checked inductivity of 7083 backedges. 4482 proven. 252 refuted. 0 times theorem prover too weak. 2349 trivial. 0 not checked. [2020-11-29 19:07:23,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213564831] [2020-11-29 19:07:23,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507699378] [2020-11-29 19:07:23,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9a9f1b41-b367-495b-8eae-332f2e25e64f/bin/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:07:23,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:07:23,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 1838 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 19:07:24,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:07:25,986 INFO L134 CoverageAnalysis]: Checked inductivity of 7083 backedges. 2470 proven. 0 refuted. 0 times theorem prover too weak. 4613 trivial. 0 not checked. [2020-11-29 19:07:25,986 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:07:25,987 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-11-29 19:07:25,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496887079] [2020-11-29 19:07:25,988 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:07:25,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:07:25,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:07:25,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-11-29 19:07:25,989 INFO L87 Difference]: Start difference. First operand 5166 states and 5422 transitions. Second operand 3 states. [2020-11-29 19:07:26,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:07:26,751 INFO L93 Difference]: Finished difference Result 10330 states and 10847 transitions. [2020-11-29 19:07:26,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:07:26,752 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1497 [2020-11-29 19:07:26,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:07:26,765 INFO L225 Difference]: With dead ends: 10330 [2020-11-29 19:07:26,765 INFO L226 Difference]: Without dead ends: 5344 [2020-11-29 19:07:26,771 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1501 GetRequests, 1496 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-11-29 19:07:26,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5344 states. [2020-11-29 19:07:26,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5344 to 5344. [2020-11-29 19:07:26,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5344 states. [2020-11-29 19:07:26,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5344 states to 5344 states and 5582 transitions. [2020-11-29 19:07:26,863 INFO L78 Accepts]: Start accepts. Automaton has 5344 states and 5582 transitions. Word has length 1497 [2020-11-29 19:07:26,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:07:26,864 INFO L481 AbstractCegarLoop]: Abstraction has 5344 states and 5582 transitions. [2020-11-29 19:07:26,864 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:07:26,865 INFO L276 IsEmpty]: Start isEmpty. Operand 5344 states and 5582 transitions. [2020-11-29 19:07:26,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1651 [2020-11-29 19:07:26,894 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:07:26,895 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 9, 9, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:07:27,109 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-11-29 19:07:27,109 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:07:27,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:07:27,110 INFO L82 PathProgramCache]: Analyzing trace with hash 1478012694, now seen corresponding path program 1 times [2020-11-29 19:07:27,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:07:27,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812060355] [2020-11-29 19:07:27,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:07:27,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:07:32,066 INFO L134 CoverageAnalysis]: Checked inductivity of 8594 backedges. 4979 proven. 0 refuted. 0 times theorem prover too weak. 3615 trivial. 0 not checked. [2020-11-29 19:07:32,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812060355] [2020-11-29 19:07:32,067 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:07:32,067 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-29 19:07:32,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21158944] [2020-11-29 19:07:32,069 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-29 19:07:32,069 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:07:32,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-29 19:07:32,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-29 19:07:32,070 INFO L87 Difference]: Start difference. First operand 5344 states and 5582 transitions. Second operand 7 states. [2020-11-29 19:07:34,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:07:34,499 INFO L93 Difference]: Finished difference Result 14617 states and 15339 transitions. [2020-11-29 19:07:34,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-29 19:07:34,500 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1650 [2020-11-29 19:07:34,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:07:34,515 INFO L225 Difference]: With dead ends: 14617 [2020-11-29 19:07:34,515 INFO L226 Difference]: Without dead ends: 9438 [2020-11-29 19:07:34,522 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-29 19:07:34,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9438 states. [2020-11-29 19:07:34,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9438 to 8192. [2020-11-29 19:07:34,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8192 states. [2020-11-29 19:07:34,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8192 states to 8192 states and 8515 transitions. [2020-11-29 19:07:34,680 INFO L78 Accepts]: Start accepts. Automaton has 8192 states and 8515 transitions. Word has length 1650 [2020-11-29 19:07:34,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:07:34,682 INFO L481 AbstractCegarLoop]: Abstraction has 8192 states and 8515 transitions. [2020-11-29 19:07:34,682 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-29 19:07:34,682 INFO L276 IsEmpty]: Start isEmpty. Operand 8192 states and 8515 transitions. [2020-11-29 19:07:34,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1730 [2020-11-29 19:07:34,716 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:07:34,717 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 10, 9, 9, 8, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:07:34,718 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-11-29 19:07:34,718 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:07:34,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:07:34,719 INFO L82 PathProgramCache]: Analyzing trace with hash 840498536, now seen corresponding path program 1 times [2020-11-29 19:07:34,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:07:34,719 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536091005] [2020-11-29 19:07:34,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:07:34,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:07:37,952 INFO L134 CoverageAnalysis]: Checked inductivity of 9775 backedges. 6630 proven. 0 refuted. 0 times theorem prover too weak. 3145 trivial. 0 not checked. [2020-11-29 19:07:37,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536091005] [2020-11-29 19:07:37,952 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:07:37,953 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 19:07:37,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690348906] [2020-11-29 19:07:37,954 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:07:37,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:07:37,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:07:37,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:07:37,955 INFO L87 Difference]: Start difference. First operand 8192 states and 8515 transitions. Second operand 4 states. [2020-11-29 19:07:39,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:07:39,277 INFO L93 Difference]: Finished difference Result 16382 states and 17043 transitions. [2020-11-29 19:07:39,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 19:07:39,278 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1729 [2020-11-29 19:07:39,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:07:39,285 INFO L225 Difference]: With dead ends: 16382 [2020-11-29 19:07:39,285 INFO L226 Difference]: Without dead ends: 8370 [2020-11-29 19:07:39,291 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:07:39,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8370 states. [2020-11-29 19:07:39,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8370 to 8014. [2020-11-29 19:07:39,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8014 states. [2020-11-29 19:07:39,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8014 states to 8014 states and 8277 transitions. [2020-11-29 19:07:39,405 INFO L78 Accepts]: Start accepts. Automaton has 8014 states and 8277 transitions. Word has length 1729 [2020-11-29 19:07:39,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:07:39,406 INFO L481 AbstractCegarLoop]: Abstraction has 8014 states and 8277 transitions. [2020-11-29 19:07:39,406 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:07:39,406 INFO L276 IsEmpty]: Start isEmpty. Operand 8014 states and 8277 transitions. [2020-11-29 19:07:39,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1747 [2020-11-29 19:07:39,434 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:07:39,435 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 9, 8, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:07:39,435 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-11-29 19:07:39,435 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:07:39,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:07:39,436 INFO L82 PathProgramCache]: Analyzing trace with hash -261440720, now seen corresponding path program 1 times [2020-11-29 19:07:39,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:07:39,437 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364219315] [2020-11-29 19:07:39,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:07:39,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:07:43,392 INFO L134 CoverageAnalysis]: Checked inductivity of 9575 backedges. 2804 proven. 1045 refuted. 0 times theorem prover too weak. 5726 trivial. 0 not checked. [2020-11-29 19:07:43,392 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364219315] [2020-11-29 19:07:43,392 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [380878264] [2020-11-29 19:07:43,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9a9f1b41-b367-495b-8eae-332f2e25e64f/bin/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:07:43,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:07:43,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 2137 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:07:43,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:07:45,790 INFO L134 CoverageAnalysis]: Checked inductivity of 9575 backedges. 3849 proven. 0 refuted. 0 times theorem prover too weak. 5726 trivial. 0 not checked. [2020-11-29 19:07:45,793 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:07:45,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-29 19:07:45,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680511425] [2020-11-29 19:07:45,797 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:07:45,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:07:45,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:07:45,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-29 19:07:45,798 INFO L87 Difference]: Start difference. First operand 8014 states and 8277 transitions. Second operand 3 states. [2020-11-29 19:07:46,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:07:46,597 INFO L93 Difference]: Finished difference Result 15670 states and 16153 transitions. [2020-11-29 19:07:46,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:07:46,598 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1746 [2020-11-29 19:07:46,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:07:46,602 INFO L225 Difference]: With dead ends: 15670 [2020-11-29 19:07:46,603 INFO L226 Difference]: Without dead ends: 3742 [2020-11-29 19:07:46,608 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1749 GetRequests, 1745 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-29 19:07:46,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2020-11-29 19:07:46,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3564. [2020-11-29 19:07:46,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3564 states. [2020-11-29 19:07:46,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3564 states to 3564 states and 3600 transitions. [2020-11-29 19:07:46,643 INFO L78 Accepts]: Start accepts. Automaton has 3564 states and 3600 transitions. Word has length 1746 [2020-11-29 19:07:46,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:07:46,644 INFO L481 AbstractCegarLoop]: Abstraction has 3564 states and 3600 transitions. [2020-11-29 19:07:46,644 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:07:46,644 INFO L276 IsEmpty]: Start isEmpty. Operand 3564 states and 3600 transitions. [2020-11-29 19:07:46,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1818 [2020-11-29 19:07:46,669 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:07:46,671 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 10, 9, 9, 9, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:07:46,872 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:07:46,873 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:07:46,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:07:46,874 INFO L82 PathProgramCache]: Analyzing trace with hash 743983026, now seen corresponding path program 1 times [2020-11-29 19:07:46,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:07:46,875 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782343406] [2020-11-29 19:07:46,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:07:47,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:07:51,563 INFO L134 CoverageAnalysis]: Checked inductivity of 10935 backedges. 2784 proven. 0 refuted. 0 times theorem prover too weak. 8151 trivial. 0 not checked. [2020-11-29 19:07:51,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782343406] [2020-11-29 19:07:51,564 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:07:51,565 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 19:07:51,565 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933914994] [2020-11-29 19:07:51,566 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 19:07:51,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:07:51,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 19:07:51,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:07:51,568 INFO L87 Difference]: Start difference. First operand 3564 states and 3600 transitions. Second operand 5 states. [2020-11-29 19:07:52,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:07:52,735 INFO L93 Difference]: Finished difference Result 4283 states and 4330 transitions. [2020-11-29 19:07:52,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 19:07:52,735 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1817 [2020-11-29 19:07:52,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:07:52,740 INFO L225 Difference]: With dead ends: 4283 [2020-11-29 19:07:52,740 INFO L226 Difference]: Without dead ends: 4098 [2020-11-29 19:07:52,741 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:07:52,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4098 states. [2020-11-29 19:07:52,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4098 to 3920. [2020-11-29 19:07:52,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3920 states. [2020-11-29 19:07:52,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3920 states to 3920 states and 3962 transitions. [2020-11-29 19:07:52,778 INFO L78 Accepts]: Start accepts. Automaton has 3920 states and 3962 transitions. Word has length 1817 [2020-11-29 19:07:52,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:07:52,779 INFO L481 AbstractCegarLoop]: Abstraction has 3920 states and 3962 transitions. [2020-11-29 19:07:52,779 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 19:07:52,779 INFO L276 IsEmpty]: Start isEmpty. Operand 3920 states and 3962 transitions. [2020-11-29 19:07:52,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2120 [2020-11-29 19:07:52,812 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:07:52,813 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 12, 11, 11, 11, 10, 10, 10, 10, 9, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:07:52,813 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-11-29 19:07:52,813 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:07:52,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:07:52,814 INFO L82 PathProgramCache]: Analyzing trace with hash 211603703, now seen corresponding path program 1 times [2020-11-29 19:07:52,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:07:52,814 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515109746] [2020-11-29 19:07:52,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:07:53,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:07:59,596 INFO L134 CoverageAnalysis]: Checked inductivity of 14529 backedges. 3210 proven. 0 refuted. 0 times theorem prover too weak. 11319 trivial. 0 not checked. [2020-11-29 19:07:59,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515109746] [2020-11-29 19:07:59,596 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:07:59,597 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 19:07:59,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666190467] [2020-11-29 19:07:59,598 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:07:59,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:07:59,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:07:59,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:07:59,600 INFO L87 Difference]: Start difference. First operand 3920 states and 3962 transitions. Second operand 4 states. [2020-11-29 19:08:00,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:08:00,535 INFO L93 Difference]: Finished difference Result 3925 states and 3967 transitions. [2020-11-29 19:08:00,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 19:08:00,538 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 2119 [2020-11-29 19:08:00,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:08:00,540 INFO L225 Difference]: With dead ends: 3925 [2020-11-29 19:08:00,540 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 19:08:00,541 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:08:00,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 19:08:00,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 19:08:00,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 19:08:00,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 19:08:00,542 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2119 [2020-11-29 19:08:00,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:08:00,542 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 19:08:00,542 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:08:00,542 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 19:08:00,542 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 19:08:00,543 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-11-29 19:08:00,544 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 19:08:00,741 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 172 [2020-11-29 19:08:00,895 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 172 [2020-11-29 19:08:02,904 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 160 DAG size of output: 110 [2020-11-29 19:08:04,630 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 160 DAG size of output: 110 [2020-11-29 19:08:04,634 INFO L274 CegarLoopResult]: For program point L762(lines 762 880) no Hoare annotation was computed. [2020-11-29 19:08:04,635 INFO L274 CegarLoopResult]: For program point L895(line 895) no Hoare annotation was computed. [2020-11-29 19:08:04,635 INFO L274 CegarLoopResult]: For program point L829(lines 829 880) no Hoare annotation was computed. [2020-11-29 19:08:04,635 INFO L274 CegarLoopResult]: For program point L631(lines 631 880) no Hoare annotation was computed. [2020-11-29 19:08:04,635 INFO L274 CegarLoopResult]: For program point L565(lines 565 880) no Hoare annotation was computed. [2020-11-29 19:08:04,635 INFO L274 CegarLoopResult]: For program point L169-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,635 INFO L274 CegarLoopResult]: For program point L103-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,635 INFO L274 CegarLoopResult]: For program point L37-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,635 INFO L274 CegarLoopResult]: For program point L698(lines 698 880) no Hoare annotation was computed. [2020-11-29 19:08:04,635 INFO L274 CegarLoopResult]: For program point L500(lines 500 880) no Hoare annotation was computed. [2020-11-29 19:08:04,635 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-11-29 19:08:04,636 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-11-29 19:08:04,636 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-11-29 19:08:04,636 INFO L274 CegarLoopResult]: For program point L369(lines 369 880) no Hoare annotation was computed. [2020-11-29 19:08:04,636 INFO L274 CegarLoopResult]: For program point L303(lines 303 880) no Hoare annotation was computed. [2020-11-29 19:08:04,636 INFO L274 CegarLoopResult]: For program point L436(lines 436 880) no Hoare annotation was computed. [2020-11-29 19:08:04,636 INFO L274 CegarLoopResult]: For program point L172-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,636 INFO L274 CegarLoopResult]: For program point L106-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,636 INFO L274 CegarLoopResult]: For program point L40-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,636 INFO L274 CegarLoopResult]: For program point L239(lines 239 880) no Hoare annotation was computed. [2020-11-29 19:08:04,636 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-11-29 19:08:04,636 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-11-29 19:08:04,636 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-11-29 19:08:04,636 INFO L274 CegarLoopResult]: For program point L768(lines 768 880) no Hoare annotation was computed. [2020-11-29 19:08:04,637 INFO L274 CegarLoopResult]: For program point L636(lines 636 880) no Hoare annotation was computed. [2020-11-29 19:08:04,637 INFO L274 CegarLoopResult]: For program point L835(lines 835 880) no Hoare annotation was computed. [2020-11-29 19:08:04,637 INFO L274 CegarLoopResult]: For program point L571(lines 571 880) no Hoare annotation was computed. [2020-11-29 19:08:04,637 INFO L274 CegarLoopResult]: For program point L505(lines 505 880) no Hoare annotation was computed. [2020-11-29 19:08:04,638 INFO L274 CegarLoopResult]: For program point L175-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,638 INFO L274 CegarLoopResult]: For program point L109-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,638 INFO L274 CegarLoopResult]: For program point L43-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,638 INFO L274 CegarLoopResult]: For program point L704(lines 704 880) no Hoare annotation was computed. [2020-11-29 19:08:04,638 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-11-29 19:08:04,639 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-11-29 19:08:04,639 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-11-29 19:08:04,639 INFO L274 CegarLoopResult]: For program point L309(lines 309 880) no Hoare annotation was computed. [2020-11-29 19:08:04,639 INFO L274 CegarLoopResult]: For program point L442(lines 442 880) no Hoare annotation was computed. [2020-11-29 19:08:04,639 INFO L274 CegarLoopResult]: For program point L376(lines 376 880) no Hoare annotation was computed. [2020-11-29 19:08:04,640 INFO L274 CegarLoopResult]: For program point L178-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,640 INFO L274 CegarLoopResult]: For program point L112-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,640 INFO L274 CegarLoopResult]: For program point L46-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,640 INFO L274 CegarLoopResult]: For program point L245(lines 245 880) no Hoare annotation was computed. [2020-11-29 19:08:04,642 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-11-29 19:08:04,643 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-11-29 19:08:04,643 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-11-29 19:08:04,643 INFO L274 CegarLoopResult]: For program point L774(lines 774 880) no Hoare annotation was computed. [2020-11-29 19:08:04,643 INFO L274 CegarLoopResult]: For program point L642(lines 642 880) no Hoare annotation was computed. [2020-11-29 19:08:04,643 INFO L274 CegarLoopResult]: For program point L510(lines 510 880) no Hoare annotation was computed. [2020-11-29 19:08:04,643 INFO L274 CegarLoopResult]: For program point L841(lines 841 880) no Hoare annotation was computed. [2020-11-29 19:08:04,644 INFO L274 CegarLoopResult]: For program point L181-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,644 INFO L274 CegarLoopResult]: For program point L115-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,644 INFO L274 CegarLoopResult]: For program point L49-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,644 INFO L274 CegarLoopResult]: For program point L710(lines 710 880) no Hoare annotation was computed. [2020-11-29 19:08:04,644 INFO L274 CegarLoopResult]: For program point L578(lines 578 880) no Hoare annotation was computed. [2020-11-29 19:08:04,644 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-11-29 19:08:04,645 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-11-29 19:08:04,645 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-11-29 19:08:04,645 INFO L274 CegarLoopResult]: For program point L315(lines 315 880) no Hoare annotation was computed. [2020-11-29 19:08:04,645 INFO L274 CegarLoopResult]: For program point L448(lines 448 880) no Hoare annotation was computed. [2020-11-29 19:08:04,645 INFO L274 CegarLoopResult]: For program point L382(lines 382 880) no Hoare annotation was computed. [2020-11-29 19:08:04,645 INFO L274 CegarLoopResult]: For program point L184-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,645 INFO L274 CegarLoopResult]: For program point L118-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,646 INFO L274 CegarLoopResult]: For program point L52-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,646 INFO L274 CegarLoopResult]: For program point L251(lines 251 880) no Hoare annotation was computed. [2020-11-29 19:08:04,646 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-11-29 19:08:04,646 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-11-29 19:08:04,646 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-11-29 19:08:04,646 INFO L274 CegarLoopResult]: For program point L648(lines 648 880) no Hoare annotation was computed. [2020-11-29 19:08:04,647 INFO L274 CegarLoopResult]: For program point L516(lines 516 880) no Hoare annotation was computed. [2020-11-29 19:08:04,647 INFO L274 CegarLoopResult]: For program point L847(lines 847 880) no Hoare annotation was computed. [2020-11-29 19:08:04,647 INFO L274 CegarLoopResult]: For program point L781(lines 781 880) no Hoare annotation was computed. [2020-11-29 19:08:04,647 INFO L274 CegarLoopResult]: For program point L583(lines 583 880) no Hoare annotation was computed. [2020-11-29 19:08:04,647 INFO L274 CegarLoopResult]: For program point L187-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,647 INFO L274 CegarLoopResult]: For program point L121-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,648 INFO L274 CegarLoopResult]: For program point L55-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,649 INFO L274 CegarLoopResult]: For program point L716(lines 716 880) no Hoare annotation was computed. [2020-11-29 19:08:04,649 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-11-29 19:08:04,649 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-11-29 19:08:04,649 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-11-29 19:08:04,649 INFO L274 CegarLoopResult]: For program point L321(lines 321 880) no Hoare annotation was computed. [2020-11-29 19:08:04,650 INFO L274 CegarLoopResult]: For program point L454(lines 454 880) no Hoare annotation was computed. [2020-11-29 19:08:04,650 INFO L274 CegarLoopResult]: For program point L388(lines 388 880) no Hoare annotation was computed. [2020-11-29 19:08:04,650 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 19:08:04,650 INFO L274 CegarLoopResult]: For program point L190-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,650 INFO L274 CegarLoopResult]: For program point L124-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,650 INFO L274 CegarLoopResult]: For program point L58-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,650 INFO L274 CegarLoopResult]: For program point L257(lines 257 880) no Hoare annotation was computed. [2020-11-29 19:08:04,651 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-11-29 19:08:04,651 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-11-29 19:08:04,651 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-11-29 19:08:04,651 INFO L274 CegarLoopResult]: For program point L852(lines 852 880) no Hoare annotation was computed. [2020-11-29 19:08:04,651 INFO L274 CegarLoopResult]: For program point L654(lines 654 880) no Hoare annotation was computed. [2020-11-29 19:08:04,651 INFO L274 CegarLoopResult]: For program point L522(lines 522 880) no Hoare annotation was computed. [2020-11-29 19:08:04,652 INFO L274 CegarLoopResult]: For program point L787(lines 787 880) no Hoare annotation was computed. [2020-11-29 19:08:04,652 INFO L274 CegarLoopResult]: For program point L589(lines 589 880) no Hoare annotation was computed. [2020-11-29 19:08:04,652 INFO L274 CegarLoopResult]: For program point L193-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,652 INFO L274 CegarLoopResult]: For program point L127-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,653 INFO L274 CegarLoopResult]: For program point L61-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,653 INFO L274 CegarLoopResult]: For program point L722(lines 722 880) no Hoare annotation was computed. [2020-11-29 19:08:04,653 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-11-29 19:08:04,653 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-11-29 19:08:04,654 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-11-29 19:08:04,654 INFO L274 CegarLoopResult]: For program point L459(lines 459 880) no Hoare annotation was computed. [2020-11-29 19:08:04,654 INFO L274 CegarLoopResult]: For program point L327(lines 327 880) no Hoare annotation was computed. [2020-11-29 19:08:04,654 INFO L274 CegarLoopResult]: For program point L394(lines 394 880) no Hoare annotation was computed. [2020-11-29 19:08:04,654 INFO L274 CegarLoopResult]: For program point L262(lines 262 880) no Hoare annotation was computed. [2020-11-29 19:08:04,654 INFO L274 CegarLoopResult]: For program point L196-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,655 INFO L274 CegarLoopResult]: For program point L130-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,656 INFO L274 CegarLoopResult]: For program point L64-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,656 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-11-29 19:08:04,656 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-11-29 19:08:04,656 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-11-29 19:08:04,656 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 19:08:04,656 INFO L274 CegarLoopResult]: For program point L858(lines 858 880) no Hoare annotation was computed. [2020-11-29 19:08:04,657 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 19:08:04,657 INFO L274 CegarLoopResult]: For program point L660(lines 660 880) no Hoare annotation was computed. [2020-11-29 19:08:04,657 INFO L274 CegarLoopResult]: For program point L528(lines 528 880) no Hoare annotation was computed. [2020-11-29 19:08:04,657 INFO L274 CegarLoopResult]: For program point L793(lines 793 880) no Hoare annotation was computed. [2020-11-29 19:08:04,658 INFO L274 CegarLoopResult]: For program point L595(lines 595 880) no Hoare annotation was computed. [2020-11-29 19:08:04,658 INFO L274 CegarLoopResult]: For program point L199-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,658 INFO L274 CegarLoopResult]: For program point L133-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,658 INFO L274 CegarLoopResult]: For program point L67-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,658 INFO L274 CegarLoopResult]: For program point L728(lines 728 880) no Hoare annotation was computed. [2020-11-29 19:08:04,658 INFO L274 CegarLoopResult]: For program point L464(lines 464 880) no Hoare annotation was computed. [2020-11-29 19:08:04,658 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-11-29 19:08:04,659 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-11-29 19:08:04,659 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-11-29 19:08:04,659 INFO L274 CegarLoopResult]: For program point L333(lines 333 880) no Hoare annotation was computed. [2020-11-29 19:08:04,659 INFO L274 CegarLoopResult]: For program point L400(lines 400 880) no Hoare annotation was computed. [2020-11-29 19:08:04,659 INFO L274 CegarLoopResult]: For program point L268(lines 268 880) no Hoare annotation was computed. [2020-11-29 19:08:04,659 INFO L274 CegarLoopResult]: For program point L202-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,660 INFO L274 CegarLoopResult]: For program point L136-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,660 INFO L274 CegarLoopResult]: For program point L70-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,660 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-11-29 19:08:04,660 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-11-29 19:08:04,660 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-11-29 19:08:04,660 INFO L274 CegarLoopResult]: For program point L864(lines 864 880) no Hoare annotation was computed. [2020-11-29 19:08:04,660 INFO L274 CegarLoopResult]: For program point L666(lines 666 880) no Hoare annotation was computed. [2020-11-29 19:08:04,661 INFO L274 CegarLoopResult]: For program point L534(lines 534 880) no Hoare annotation was computed. [2020-11-29 19:08:04,661 INFO L274 CegarLoopResult]: For program point L799(lines 799 880) no Hoare annotation was computed. [2020-11-29 19:08:04,661 INFO L274 CegarLoopResult]: For program point L601(lines 601 880) no Hoare annotation was computed. [2020-11-29 19:08:04,661 INFO L274 CegarLoopResult]: For program point L205-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,661 INFO L274 CegarLoopResult]: For program point L139-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,661 INFO L274 CegarLoopResult]: For program point L73-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,662 INFO L274 CegarLoopResult]: For program point L734(lines 734 880) no Hoare annotation was computed. [2020-11-29 19:08:04,662 INFO L274 CegarLoopResult]: For program point L470(lines 470 880) no Hoare annotation was computed. [2020-11-29 19:08:04,662 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-11-29 19:08:04,662 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-11-29 19:08:04,662 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-11-29 19:08:04,662 INFO L274 CegarLoopResult]: For program point L339(lines 339 880) no Hoare annotation was computed. [2020-11-29 19:08:04,663 INFO L274 CegarLoopResult]: For program point L406(lines 406 880) no Hoare annotation was computed. [2020-11-29 19:08:04,663 INFO L274 CegarLoopResult]: For program point L274(lines 274 880) no Hoare annotation was computed. [2020-11-29 19:08:04,663 INFO L274 CegarLoopResult]: For program point L208-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,663 INFO L274 CegarLoopResult]: For program point L142-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,663 INFO L274 CegarLoopResult]: For program point L76-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,663 INFO L274 CegarLoopResult]: For program point L869(lines 869 880) no Hoare annotation was computed. [2020-11-29 19:08:04,663 INFO L274 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-11-29 19:08:04,664 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-11-29 19:08:04,664 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-11-29 19:08:04,664 INFO L274 CegarLoopResult]: For program point L672(lines 672 880) no Hoare annotation was computed. [2020-11-29 19:08:04,664 INFO L274 CegarLoopResult]: For program point L540(lines 540 880) no Hoare annotation was computed. [2020-11-29 19:08:04,664 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-29 19:08:04,664 INFO L274 CegarLoopResult]: For program point L805(lines 805 880) no Hoare annotation was computed. [2020-11-29 19:08:04,665 INFO L274 CegarLoopResult]: For program point L607(lines 607 880) no Hoare annotation was computed. [2020-11-29 19:08:04,665 INFO L274 CegarLoopResult]: For program point L211-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,665 INFO L274 CegarLoopResult]: For program point L145-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,665 INFO L274 CegarLoopResult]: For program point L79-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,665 INFO L274 CegarLoopResult]: For program point L740(lines 740 880) no Hoare annotation was computed. [2020-11-29 19:08:04,665 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-11-29 19:08:04,665 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-11-29 19:08:04,666 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-11-29 19:08:04,666 INFO L274 CegarLoopResult]: For program point L477(lines 477 880) no Hoare annotation was computed. [2020-11-29 19:08:04,666 INFO L274 CegarLoopResult]: For program point L345(lines 345 880) no Hoare annotation was computed. [2020-11-29 19:08:04,666 INFO L274 CegarLoopResult]: For program point L279(lines 279 880) no Hoare annotation was computed. [2020-11-29 19:08:04,666 INFO L274 CegarLoopResult]: For program point L412(lines 412 880) no Hoare annotation was computed. [2020-11-29 19:08:04,666 INFO L274 CegarLoopResult]: For program point L148-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,667 INFO L274 CegarLoopResult]: For program point L82-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,667 INFO L274 CegarLoopResult]: For program point L875(lines 875 880) no Hoare annotation was computed. [2020-11-29 19:08:04,667 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-29 19:08:04,669 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-11-29 19:08:04,669 INFO L274 CegarLoopResult]: For program point L678(lines 678 880) no Hoare annotation was computed. [2020-11-29 19:08:04,669 INFO L274 CegarLoopResult]: For program point L546(lines 546 880) no Hoare annotation was computed. [2020-11-29 19:08:04,669 INFO L274 CegarLoopResult]: For program point L811(lines 811 880) no Hoare annotation was computed. [2020-11-29 19:08:04,669 INFO L274 CegarLoopResult]: For program point L745(lines 745 880) no Hoare annotation was computed. [2020-11-29 19:08:04,670 INFO L274 CegarLoopResult]: For program point L613(lines 613 880) no Hoare annotation was computed. [2020-11-29 19:08:04,670 INFO L274 CegarLoopResult]: For program point L151-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,670 INFO L274 CegarLoopResult]: For program point L85-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,670 INFO L274 CegarLoopResult]: For program point L482(lines 482 880) no Hoare annotation was computed. [2020-11-29 19:08:04,670 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 19:08:04,670 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-11-29 19:08:04,670 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-11-29 19:08:04,670 INFO L274 CegarLoopResult]: For program point L351(lines 351 880) no Hoare annotation was computed. [2020-11-29 19:08:04,671 INFO L274 CegarLoopResult]: For program point L285(lines 285 880) no Hoare annotation was computed. [2020-11-29 19:08:04,671 INFO L274 CegarLoopResult]: For program point L418(lines 418 880) no Hoare annotation was computed. [2020-11-29 19:08:04,671 INFO L274 CegarLoopResult]: For program point L154-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,671 INFO L274 CegarLoopResult]: For program point L88-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,671 INFO L270 CegarLoopResult]: At program point L881(lines 30 882) the Hoare annotation is: (let ((.cse0 (<= ~a15~0 7)) (.cse17 (<= 7 ~a21~0)) (.cse16 (<= ~a21~0 7)) (.cse3 (<= 9 ~a21~0)) (.cse2 (<= 20 ~a12~0)) (.cse11 (<= (+ ~a12~0 49) 0)) (.cse14 (<= (+ ~a12~0 43) 0)) (.cse8 (<= 8 ~a21~0)) (.cse9 (<= 9 ~a15~0)) (.cse5 (<= ~a15~0 8)) (.cse7 (<= 0 (+ ~a12~0 41))) (.cse4 (<= ~a12~0 11)) (.cse20 (<= 10 ~a21~0)) (.cse18 (let ((.cse23 (div (+ ~a12~0 (- 600066)) 5))) (or (<= (+ .cse23 14) 0) (and (let ((.cse24 (+ ~a12~0 4))) (= .cse24 (* (div .cse24 5) 5))) (<= (+ .cse23 13) 0))))) (.cse19 (<= 95382 ~a12~0)) (.cse15 (<= ~a21~0 6)) (.cse6 (= 7 ~a15~0)) (.cse1 (= ~a24~0 1)) (.cse10 (<= ~a21~0 8))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse1 .cse5 (not .cse6)) (and .cse7 .cse8 .cse4 .cse1 .cse9 .cse10) (and .cse3 .cse11 .cse1 .cse5) (and .cse8 .cse1 (exists ((aux_div_v_~a12~0_438_31 Int) (aux_div_aux_mod_v_~a12~0_438_31_31 Int)) (let ((.cse12 (* 5 aux_div_aux_mod_v_~a12~0_438_31_31))) (let ((.cse13 (+ (* 5 aux_div_v_~a12~0_438_31) .cse12))) (and (< .cse12 5) (<= ~a12~0 aux_div_v_~a12~0_438_31) (<= .cse13 366413) (< 366344 .cse13) (<= 0 .cse12))))) .cse10 .cse2) (and .cse0 .cse14 .cse15) (and .cse16 .cse0 .cse1) (and .cse17 .cse18 .cse1 .cse9 .cse2) (and (<= ~a24~0 1) .cse14 .cse5 .cse15) (and .cse1 .cse5 .cse19 .cse15) (and .cse7 .cse0 .cse3 .cse1) (and .cse0 .cse1 .cse20) (and .cse17 .cse7 .cse16 .cse4 .cse1 .cse5) (and .cse3 .cse1 (<= ~a21~0 9) (<= ~a12~0 76) .cse2) (and .cse11 .cse1 .cse5 (= 7 ~a21~0)) (and .cse14 .cse1 .cse20) (and .cse8 .cse1 .cse9 (exists ((aux_div_v_~a12~0_438_31 Int) (aux_div_aux_mod_v_~a12~0_438_31_31 Int)) (let ((.cse21 (* 5 aux_div_aux_mod_v_~a12~0_438_31_31))) (let ((.cse22 (+ (* 5 aux_div_v_~a12~0_438_31) .cse21))) (and (< .cse21 5) (<= .cse22 366413) (< 366344 .cse22) (<= 0 .cse21) (<= (+ ~a12~0 600049) aux_div_v_~a12~0_438_31))))) .cse10) (and .cse1 .cse5 .cse20 .cse19) (and .cse7 .cse4 .cse1 .cse20) (and .cse18 .cse1 .cse19 .cse15) (and .cse6 .cse1 (<= (+ ~a12~0 44) 0) .cse10))) [2020-11-29 19:08:04,671 INFO L274 CegarLoopResult]: For program point L551(lines 551 880) no Hoare annotation was computed. [2020-11-29 19:08:04,672 INFO L274 CegarLoopResult]: For program point L221(lines 221 880) no Hoare annotation was computed. [2020-11-29 19:08:04,672 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-11-29 19:08:04,672 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-11-29 19:08:04,672 INFO L274 CegarLoopResult]: For program point L684(lines 684 880) no Hoare annotation was computed. [2020-11-29 19:08:04,672 INFO L274 CegarLoopResult]: For program point L817(lines 817 880) no Hoare annotation was computed. [2020-11-29 19:08:04,672 INFO L274 CegarLoopResult]: For program point L751(lines 751 880) no Hoare annotation was computed. [2020-11-29 19:08:04,672 INFO L274 CegarLoopResult]: For program point L619(lines 619 880) no Hoare annotation was computed. [2020-11-29 19:08:04,672 INFO L274 CegarLoopResult]: For program point L157-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,672 INFO L274 CegarLoopResult]: For program point L91-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,672 INFO L277 CegarLoopResult]: At program point L884(lines 884 900) the Hoare annotation is: true [2020-11-29 19:08:04,672 INFO L274 CegarLoopResult]: For program point L488(lines 488 880) no Hoare annotation was computed. [2020-11-29 19:08:04,672 INFO L274 CegarLoopResult]: For program point L290(lines 290 880) no Hoare annotation was computed. [2020-11-29 19:08:04,672 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-11-29 19:08:04,672 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-11-29 19:08:04,672 INFO L274 CegarLoopResult]: For program point L687(lines 687 880) no Hoare annotation was computed. [2020-11-29 19:08:04,673 INFO L274 CegarLoopResult]: For program point L357(lines 357 880) no Hoare annotation was computed. [2020-11-29 19:08:04,673 INFO L274 CegarLoopResult]: For program point L424(lines 424 880) no Hoare annotation was computed. [2020-11-29 19:08:04,673 INFO L274 CegarLoopResult]: For program point L160-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,673 INFO L274 CegarLoopResult]: For program point L94-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,673 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 19:08:04,673 INFO L274 CegarLoopResult]: For program point L557(lines 557 880) no Hoare annotation was computed. [2020-11-29 19:08:04,673 INFO L274 CegarLoopResult]: For program point L227(lines 227 880) no Hoare annotation was computed. [2020-11-29 19:08:04,673 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-11-29 19:08:04,673 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-11-29 19:08:04,673 INFO L274 CegarLoopResult]: For program point L757(lines 757 880) no Hoare annotation was computed. [2020-11-29 19:08:04,673 INFO L274 CegarLoopResult]: For program point L625(lines 625 880) no Hoare annotation was computed. [2020-11-29 19:08:04,673 INFO L274 CegarLoopResult]: For program point L163-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,673 INFO L274 CegarLoopResult]: For program point L97-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,673 INFO L274 CegarLoopResult]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-11-29 19:08:04,673 INFO L274 CegarLoopResult]: For program point L31-2(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,674 INFO L274 CegarLoopResult]: For program point L824(lines 824 880) no Hoare annotation was computed. [2020-11-29 19:08:04,674 INFO L270 CegarLoopResult]: At program point L890-2(lines 890 899) the Hoare annotation is: (let ((.cse0 (<= ~a15~0 7)) (.cse17 (<= 7 ~a21~0)) (.cse16 (<= ~a21~0 7)) (.cse3 (<= 9 ~a21~0)) (.cse2 (<= 20 ~a12~0)) (.cse11 (<= (+ ~a12~0 49) 0)) (.cse14 (<= (+ ~a12~0 43) 0)) (.cse8 (<= 8 ~a21~0)) (.cse9 (<= 9 ~a15~0)) (.cse5 (<= ~a15~0 8)) (.cse7 (<= 0 (+ ~a12~0 41))) (.cse4 (<= ~a12~0 11)) (.cse20 (<= 10 ~a21~0)) (.cse18 (let ((.cse23 (div (+ ~a12~0 (- 600066)) 5))) (or (<= (+ .cse23 14) 0) (and (let ((.cse24 (+ ~a12~0 4))) (= .cse24 (* (div .cse24 5) 5))) (<= (+ .cse23 13) 0))))) (.cse19 (<= 95382 ~a12~0)) (.cse15 (<= ~a21~0 6)) (.cse6 (= 7 ~a15~0)) (.cse1 (= ~a24~0 1)) (.cse10 (<= ~a21~0 8))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse1 .cse5 (not .cse6)) (and .cse7 .cse8 .cse4 .cse1 .cse9 .cse10) (and .cse3 .cse11 .cse1 .cse5) (and .cse8 .cse1 (exists ((aux_div_v_~a12~0_438_31 Int) (aux_div_aux_mod_v_~a12~0_438_31_31 Int)) (let ((.cse12 (* 5 aux_div_aux_mod_v_~a12~0_438_31_31))) (let ((.cse13 (+ (* 5 aux_div_v_~a12~0_438_31) .cse12))) (and (< .cse12 5) (<= ~a12~0 aux_div_v_~a12~0_438_31) (<= .cse13 366413) (< 366344 .cse13) (<= 0 .cse12))))) .cse10 .cse2) (and .cse0 .cse14 .cse15) (and .cse16 .cse0 .cse1) (and .cse17 .cse18 .cse1 .cse9 .cse2) (and (<= ~a24~0 1) .cse14 .cse5 .cse15) (and .cse1 .cse5 .cse19 .cse15) (and .cse7 .cse0 .cse3 .cse1) (and .cse0 .cse1 .cse20) (and .cse17 .cse7 .cse16 .cse4 .cse1 .cse5) (and .cse3 .cse1 (<= ~a21~0 9) (<= ~a12~0 76) .cse2) (and .cse11 .cse1 .cse5 (= 7 ~a21~0)) (and .cse14 .cse1 .cse20) (and .cse8 .cse1 .cse9 (exists ((aux_div_v_~a12~0_438_31 Int) (aux_div_aux_mod_v_~a12~0_438_31_31 Int)) (let ((.cse21 (* 5 aux_div_aux_mod_v_~a12~0_438_31_31))) (let ((.cse22 (+ (* 5 aux_div_v_~a12~0_438_31) .cse21))) (and (< .cse21 5) (<= .cse22 366413) (< 366344 .cse22) (<= 0 .cse21) (<= (+ ~a12~0 600049) aux_div_v_~a12~0_438_31))))) .cse10) (and .cse1 .cse5 .cse20 .cse19) (and .cse7 .cse4 .cse1 .cse20) (and .cse18 .cse1 .cse19 .cse15) (and .cse6 .cse1 (<= (+ ~a12~0 44) 0) .cse10))) [2020-11-29 19:08:04,674 INFO L274 CegarLoopResult]: For program point L494(lines 494 880) no Hoare annotation was computed. [2020-11-29 19:08:04,674 INFO L274 CegarLoopResult]: For program point L296(lines 296 880) no Hoare annotation was computed. [2020-11-29 19:08:04,674 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-11-29 19:08:04,674 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-11-29 19:08:04,674 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-11-29 19:08:04,674 INFO L274 CegarLoopResult]: For program point L693(lines 693 880) no Hoare annotation was computed. [2020-11-29 19:08:04,674 INFO L274 CegarLoopResult]: For program point L363(lines 363 880) no Hoare annotation was computed. [2020-11-29 19:08:04,675 INFO L274 CegarLoopResult]: For program point L562(lines 562 880) no Hoare annotation was computed. [2020-11-29 19:08:04,675 INFO L274 CegarLoopResult]: For program point L430(lines 430 880) no Hoare annotation was computed. [2020-11-29 19:08:04,675 INFO L274 CegarLoopResult]: For program point L166-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,675 INFO L274 CegarLoopResult]: For program point L100-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,675 INFO L274 CegarLoopResult]: For program point L34-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 19:08:04,675 INFO L274 CegarLoopResult]: For program point L233(lines 233 880) no Hoare annotation was computed. [2020-11-29 19:08:04,675 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-11-29 19:08:04,675 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-11-29 19:08:04,676 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-11-29 19:08:04,700 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:04,701 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-11-29 19:08:04,701 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-11-29 19:08:04,702 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:04,702 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-11-29 19:08:04,702 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:04,703 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:04,703 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:04,704 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-11-29 19:08:04,704 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:04,704 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-11-29 19:08:04,705 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:04,705 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:04,705 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-11-29 19:08:04,717 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:04,718 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-11-29 19:08:04,718 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-11-29 19:08:04,718 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:04,719 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-11-29 19:08:04,719 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:04,719 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:04,720 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:04,720 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-11-29 19:08:04,720 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:04,721 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-11-29 19:08:04,721 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:04,721 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:04,721 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-11-29 19:08:04,728 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:04,729 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-11-29 19:08:04,729 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-11-29 19:08:04,729 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:04,730 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-11-29 19:08:04,730 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:04,730 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:04,731 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:04,731 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-11-29 19:08:04,731 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:04,732 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-11-29 19:08:04,732 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:04,732 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:04,732 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-11-29 19:08:04,739 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:04,739 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-11-29 19:08:04,740 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-11-29 19:08:04,740 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:04,740 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-11-29 19:08:04,740 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:04,741 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:04,741 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:04,742 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-11-29 19:08:04,742 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:04,742 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-11-29 19:08:04,743 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:04,743 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:04,743 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-11-29 19:08:04,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:08:04 BoogieIcfgContainer [2020-11-29 19:08:04,751 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 19:08:04,751 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:08:04,752 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:08:04,752 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:08:04,752 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:06:32" (3/4) ... [2020-11-29 19:08:04,756 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 19:08:04,808 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 19:08:04,810 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 19:08:04,812 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:08:04,815 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:08:04,850 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((a15 <= 7 && a24 == 1) && 20 <= a12) || ((((9 <= a21 && a12 <= 11) && a24 == 1) && a15 <= 8) && !(7 == a15))) || (((((0 <= a12 + 41 && 8 <= a21) && a12 <= 11) && a24 == 1) && 9 <= a15) && a21 <= 8)) || (((9 <= a21 && a12 + 49 <= 0) && a24 == 1) && a15 <= 8)) || ((((8 <= a21 && a24 == 1) && (\exists aux_div_v_~a12~0_438_31 : int, aux_div_aux_mod_v_~a12~0_438_31_31 : int :: (((5 * aux_div_aux_mod_v_~a12~0_438_31_31 < 5 && a12 <= aux_div_v_~a12~0_438_31) && 5 * aux_div_v_~a12~0_438_31 + 5 * aux_div_aux_mod_v_~a12~0_438_31_31 <= 366413) && 366344 < 5 * aux_div_v_~a12~0_438_31 + 5 * aux_div_aux_mod_v_~a12~0_438_31_31) && 0 <= 5 * aux_div_aux_mod_v_~a12~0_438_31_31)) && a21 <= 8) && 20 <= a12)) || ((a15 <= 7 && a12 + 43 <= 0) && a21 <= 6)) || ((a21 <= 7 && a15 <= 7) && a24 == 1)) || ((((7 <= a21 && ((a12 + -600066) / 5 + 14 <= 0 || (a12 + 4 == (a12 + 4) / 5 * 5 && (a12 + -600066) / 5 + 13 <= 0))) && a24 == 1) && 9 <= a15) && 20 <= a12)) || (((a24 <= 1 && a12 + 43 <= 0) && a15 <= 8) && a21 <= 6)) || (((a24 == 1 && a15 <= 8) && 95382 <= a12) && a21 <= 6)) || (((0 <= a12 + 41 && a15 <= 7) && 9 <= a21) && a24 == 1)) || ((a15 <= 7 && a24 == 1) && 10 <= a21)) || (((((7 <= a21 && 0 <= a12 + 41) && a21 <= 7) && a12 <= 11) && a24 == 1) && a15 <= 8)) || ((((9 <= a21 && a24 == 1) && a21 <= 9) && a12 <= 76) && 20 <= a12)) || (((a12 + 49 <= 0 && a24 == 1) && a15 <= 8) && 7 == a21)) || ((a12 + 43 <= 0 && a24 == 1) && 10 <= a21)) || ((((8 <= a21 && a24 == 1) && 9 <= a15) && (\exists aux_div_v_~a12~0_438_31 : int, aux_div_aux_mod_v_~a12~0_438_31_31 : int :: (((5 * aux_div_aux_mod_v_~a12~0_438_31_31 < 5 && 5 * aux_div_v_~a12~0_438_31 + 5 * aux_div_aux_mod_v_~a12~0_438_31_31 <= 366413) && 366344 < 5 * aux_div_v_~a12~0_438_31 + 5 * aux_div_aux_mod_v_~a12~0_438_31_31) && 0 <= 5 * aux_div_aux_mod_v_~a12~0_438_31_31) && a12 + 600049 <= aux_div_v_~a12~0_438_31)) && a21 <= 8)) || (((a24 == 1 && a15 <= 8) && 10 <= a21) && 95382 <= a12)) || (((0 <= a12 + 41 && a12 <= 11) && a24 == 1) && 10 <= a21)) || (((((a12 + -600066) / 5 + 14 <= 0 || (a12 + 4 == (a12 + 4) / 5 * 5 && (a12 + -600066) / 5 + 13 <= 0)) && a24 == 1) && 95382 <= a12) && a21 <= 6)) || (((7 == a15 && a24 == 1) && a12 + 44 <= 0) && a21 <= 8) [2020-11-29 19:08:04,856 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((a15 <= 7 && a24 == 1) && 20 <= a12) || ((((9 <= a21 && a12 <= 11) && a24 == 1) && a15 <= 8) && !(7 == a15))) || (((((0 <= a12 + 41 && 8 <= a21) && a12 <= 11) && a24 == 1) && 9 <= a15) && a21 <= 8)) || (((9 <= a21 && a12 + 49 <= 0) && a24 == 1) && a15 <= 8)) || ((((8 <= a21 && a24 == 1) && (\exists aux_div_v_~a12~0_438_31 : int, aux_div_aux_mod_v_~a12~0_438_31_31 : int :: (((5 * aux_div_aux_mod_v_~a12~0_438_31_31 < 5 && a12 <= aux_div_v_~a12~0_438_31) && 5 * aux_div_v_~a12~0_438_31 + 5 * aux_div_aux_mod_v_~a12~0_438_31_31 <= 366413) && 366344 < 5 * aux_div_v_~a12~0_438_31 + 5 * aux_div_aux_mod_v_~a12~0_438_31_31) && 0 <= 5 * aux_div_aux_mod_v_~a12~0_438_31_31)) && a21 <= 8) && 20 <= a12)) || ((a15 <= 7 && a12 + 43 <= 0) && a21 <= 6)) || ((a21 <= 7 && a15 <= 7) && a24 == 1)) || ((((7 <= a21 && ((a12 + -600066) / 5 + 14 <= 0 || (a12 + 4 == (a12 + 4) / 5 * 5 && (a12 + -600066) / 5 + 13 <= 0))) && a24 == 1) && 9 <= a15) && 20 <= a12)) || (((a24 <= 1 && a12 + 43 <= 0) && a15 <= 8) && a21 <= 6)) || (((a24 == 1 && a15 <= 8) && 95382 <= a12) && a21 <= 6)) || (((0 <= a12 + 41 && a15 <= 7) && 9 <= a21) && a24 == 1)) || ((a15 <= 7 && a24 == 1) && 10 <= a21)) || (((((7 <= a21 && 0 <= a12 + 41) && a21 <= 7) && a12 <= 11) && a24 == 1) && a15 <= 8)) || ((((9 <= a21 && a24 == 1) && a21 <= 9) && a12 <= 76) && 20 <= a12)) || (((a12 + 49 <= 0 && a24 == 1) && a15 <= 8) && 7 == a21)) || ((a12 + 43 <= 0 && a24 == 1) && 10 <= a21)) || ((((8 <= a21 && a24 == 1) && 9 <= a15) && (\exists aux_div_v_~a12~0_438_31 : int, aux_div_aux_mod_v_~a12~0_438_31_31 : int :: (((5 * aux_div_aux_mod_v_~a12~0_438_31_31 < 5 && 5 * aux_div_v_~a12~0_438_31 + 5 * aux_div_aux_mod_v_~a12~0_438_31_31 <= 366413) && 366344 < 5 * aux_div_v_~a12~0_438_31 + 5 * aux_div_aux_mod_v_~a12~0_438_31_31) && 0 <= 5 * aux_div_aux_mod_v_~a12~0_438_31_31) && a12 + 600049 <= aux_div_v_~a12~0_438_31)) && a21 <= 8)) || (((a24 == 1 && a15 <= 8) && 10 <= a21) && 95382 <= a12)) || (((0 <= a12 + 41 && a12 <= 11) && a24 == 1) && 10 <= a21)) || (((((a12 + -600066) / 5 + 14 <= 0 || (a12 + 4 == (a12 + 4) / 5 * 5 && (a12 + -600066) / 5 + 13 <= 0)) && a24 == 1) && 95382 <= a12) && a21 <= 6)) || (((7 == a15 && a24 == 1) && a12 + 44 <= 0) && a21 <= 8) [2020-11-29 19:08:05,029 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9a9f1b41-b367-495b-8eae-332f2e25e64f/bin/uautomizer/witness.graphml [2020-11-29 19:08:05,029 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:08:05,031 INFO L168 Benchmark]: Toolchain (without parser) took 95737.32 ms. Allocated memory was 90.2 MB in the beginning and 3.1 GB in the end (delta: 3.0 GB). Free memory was 55.9 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.8 GB. Max. memory is 16.1 GB. [2020-11-29 19:08:05,031 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 67.1 MB. Free memory was 29.5 MB in the beginning and 29.5 MB in the end (delta: 33.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:08:05,032 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1089.26 ms. Allocated memory is still 90.2 MB. Free memory was 55.7 MB in the beginning and 45.9 MB in the end (delta: 9.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 19:08:05,033 INFO L168 Benchmark]: Boogie Procedure Inliner took 139.48 ms. Allocated memory is still 90.2 MB. Free memory was 45.9 MB in the beginning and 36.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:08:05,033 INFO L168 Benchmark]: Boogie Preprocessor took 222.88 ms. Allocated memory is still 90.2 MB. Free memory was 36.4 MB in the beginning and 60.4 MB in the end (delta: -24.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. [2020-11-29 19:08:05,034 INFO L168 Benchmark]: RCFGBuilder took 2105.62 ms. Allocated memory was 90.2 MB in the beginning and 113.2 MB in the end (delta: 23.1 MB). Free memory was 60.4 MB in the beginning and 77.4 MB in the end (delta: -17.0 MB). Peak memory consumption was 52.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:08:05,034 INFO L168 Benchmark]: TraceAbstraction took 91880.64 ms. Allocated memory was 113.2 MB in the beginning and 3.1 GB in the end (delta: 3.0 GB). Free memory was 76.5 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.8 GB. Max. memory is 16.1 GB. [2020-11-29 19:08:05,035 INFO L168 Benchmark]: Witness Printer took 277.77 ms. Allocated memory is still 3.1 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 20.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-11-29 19:08:05,038 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 67.1 MB. Free memory was 29.5 MB in the beginning and 29.5 MB in the end (delta: 33.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1089.26 ms. Allocated memory is still 90.2 MB. Free memory was 55.7 MB in the beginning and 45.9 MB in the end (delta: 9.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 139.48 ms. Allocated memory is still 90.2 MB. Free memory was 45.9 MB in the beginning and 36.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 222.88 ms. Allocated memory is still 90.2 MB. Free memory was 36.4 MB in the beginning and 60.4 MB in the end (delta: -24.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2105.62 ms. Allocated memory was 90.2 MB in the beginning and 113.2 MB in the end (delta: 23.1 MB). Free memory was 60.4 MB in the beginning and 77.4 MB in the end (delta: -17.0 MB). Peak memory consumption was 52.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 91880.64 ms. Allocated memory was 113.2 MB in the beginning and 3.1 GB in the end (delta: 3.0 GB). Free memory was 76.5 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.8 GB. Max. memory is 16.1 GB. * Witness Printer took 277.77 ms. Allocated memory is still 3.1 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 20.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant [2020-11-29 19:08:05,063 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:05,064 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-11-29 19:08:05,064 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-11-29 19:08:05,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:05,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-11-29 19:08:05,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:05,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:05,066 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:05,066 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-11-29 19:08:05,067 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:05,067 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-11-29 19:08:05,067 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:05,067 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:05,067 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-11-29 19:08:05,079 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:05,080 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-11-29 19:08:05,081 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-11-29 19:08:05,081 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:05,081 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-11-29 19:08:05,082 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:05,082 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:05,082 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:05,083 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-11-29 19:08:05,084 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:05,084 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-11-29 19:08:05,084 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:05,085 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:05,085 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] Derived loop invariant: (((((((((((((((((((((a15 <= 7 && a24 == 1) && 20 <= a12) || ((((9 <= a21 && a12 <= 11) && a24 == 1) && a15 <= 8) && !(7 == a15))) || (((((0 <= a12 + 41 && 8 <= a21) && a12 <= 11) && a24 == 1) && 9 <= a15) && a21 <= 8)) || (((9 <= a21 && a12 + 49 <= 0) && a24 == 1) && a15 <= 8)) || ((((8 <= a21 && a24 == 1) && (\exists aux_div_v_~a12~0_438_31 : int, aux_div_aux_mod_v_~a12~0_438_31_31 : int :: (((5 * aux_div_aux_mod_v_~a12~0_438_31_31 < 5 && a12 <= aux_div_v_~a12~0_438_31) && 5 * aux_div_v_~a12~0_438_31 + 5 * aux_div_aux_mod_v_~a12~0_438_31_31 <= 366413) && 366344 < 5 * aux_div_v_~a12~0_438_31 + 5 * aux_div_aux_mod_v_~a12~0_438_31_31) && 0 <= 5 * aux_div_aux_mod_v_~a12~0_438_31_31)) && a21 <= 8) && 20 <= a12)) || ((a15 <= 7 && a12 + 43 <= 0) && a21 <= 6)) || ((a21 <= 7 && a15 <= 7) && a24 == 1)) || ((((7 <= a21 && ((a12 + -600066) / 5 + 14 <= 0 || (a12 + 4 == (a12 + 4) / 5 * 5 && (a12 + -600066) / 5 + 13 <= 0))) && a24 == 1) && 9 <= a15) && 20 <= a12)) || (((a24 <= 1 && a12 + 43 <= 0) && a15 <= 8) && a21 <= 6)) || (((a24 == 1 && a15 <= 8) && 95382 <= a12) && a21 <= 6)) || (((0 <= a12 + 41 && a15 <= 7) && 9 <= a21) && a24 == 1)) || ((a15 <= 7 && a24 == 1) && 10 <= a21)) || (((((7 <= a21 && 0 <= a12 + 41) && a21 <= 7) && a12 <= 11) && a24 == 1) && a15 <= 8)) || ((((9 <= a21 && a24 == 1) && a21 <= 9) && a12 <= 76) && 20 <= a12)) || (((a12 + 49 <= 0 && a24 == 1) && a15 <= 8) && 7 == a21)) || ((a12 + 43 <= 0 && a24 == 1) && 10 <= a21)) || ((((8 <= a21 && a24 == 1) && 9 <= a15) && (\exists aux_div_v_~a12~0_438_31 : int, aux_div_aux_mod_v_~a12~0_438_31_31 : int :: (((5 * aux_div_aux_mod_v_~a12~0_438_31_31 < 5 && 5 * aux_div_v_~a12~0_438_31 + 5 * aux_div_aux_mod_v_~a12~0_438_31_31 <= 366413) && 366344 < 5 * aux_div_v_~a12~0_438_31 + 5 * aux_div_aux_mod_v_~a12~0_438_31_31) && 0 <= 5 * aux_div_aux_mod_v_~a12~0_438_31_31) && a12 + 600049 <= aux_div_v_~a12~0_438_31)) && a21 <= 8)) || (((a24 == 1 && a15 <= 8) && 10 <= a21) && 95382 <= a12)) || (((0 <= a12 + 41 && a12 <= 11) && a24 == 1) && 10 <= a21)) || (((((a12 + -600066) / 5 + 14 <= 0 || (a12 + 4 == (a12 + 4) / 5 * 5 && (a12 + -600066) / 5 + 13 <= 0)) && a24 == 1) && 95382 <= a12) && a21 <= 6)) || (((7 == a15 && a24 == 1) && a12 + 44 <= 0) && a21 <= 8) - InvariantResult [Line: 30]: Loop Invariant [2020-11-29 19:08:05,091 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:05,091 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-11-29 19:08:05,091 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-11-29 19:08:05,092 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:05,092 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-11-29 19:08:05,092 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:05,092 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:05,093 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:05,093 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-11-29 19:08:05,093 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:05,094 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-11-29 19:08:05,094 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:05,094 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:05,094 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-11-29 19:08:05,096 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:05,096 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-11-29 19:08:05,096 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-11-29 19:08:05,097 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:05,097 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-11-29 19:08:05,097 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:05,098 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:05,098 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:05,098 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-11-29 19:08:05,098 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:05,099 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-11-29 19:08:05,099 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:05,099 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-11-29 19:08:05,099 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] Derived loop invariant: (((((((((((((((((((((a15 <= 7 && a24 == 1) && 20 <= a12) || ((((9 <= a21 && a12 <= 11) && a24 == 1) && a15 <= 8) && !(7 == a15))) || (((((0 <= a12 + 41 && 8 <= a21) && a12 <= 11) && a24 == 1) && 9 <= a15) && a21 <= 8)) || (((9 <= a21 && a12 + 49 <= 0) && a24 == 1) && a15 <= 8)) || ((((8 <= a21 && a24 == 1) && (\exists aux_div_v_~a12~0_438_31 : int, aux_div_aux_mod_v_~a12~0_438_31_31 : int :: (((5 * aux_div_aux_mod_v_~a12~0_438_31_31 < 5 && a12 <= aux_div_v_~a12~0_438_31) && 5 * aux_div_v_~a12~0_438_31 + 5 * aux_div_aux_mod_v_~a12~0_438_31_31 <= 366413) && 366344 < 5 * aux_div_v_~a12~0_438_31 + 5 * aux_div_aux_mod_v_~a12~0_438_31_31) && 0 <= 5 * aux_div_aux_mod_v_~a12~0_438_31_31)) && a21 <= 8) && 20 <= a12)) || ((a15 <= 7 && a12 + 43 <= 0) && a21 <= 6)) || ((a21 <= 7 && a15 <= 7) && a24 == 1)) || ((((7 <= a21 && ((a12 + -600066) / 5 + 14 <= 0 || (a12 + 4 == (a12 + 4) / 5 * 5 && (a12 + -600066) / 5 + 13 <= 0))) && a24 == 1) && 9 <= a15) && 20 <= a12)) || (((a24 <= 1 && a12 + 43 <= 0) && a15 <= 8) && a21 <= 6)) || (((a24 == 1 && a15 <= 8) && 95382 <= a12) && a21 <= 6)) || (((0 <= a12 + 41 && a15 <= 7) && 9 <= a21) && a24 == 1)) || ((a15 <= 7 && a24 == 1) && 10 <= a21)) || (((((7 <= a21 && 0 <= a12 + 41) && a21 <= 7) && a12 <= 11) && a24 == 1) && a15 <= 8)) || ((((9 <= a21 && a24 == 1) && a21 <= 9) && a12 <= 76) && 20 <= a12)) || (((a12 + 49 <= 0 && a24 == 1) && a15 <= 8) && 7 == a21)) || ((a12 + 43 <= 0 && a24 == 1) && 10 <= a21)) || ((((8 <= a21 && a24 == 1) && 9 <= a15) && (\exists aux_div_v_~a12~0_438_31 : int, aux_div_aux_mod_v_~a12~0_438_31_31 : int :: (((5 * aux_div_aux_mod_v_~a12~0_438_31_31 < 5 && 5 * aux_div_v_~a12~0_438_31 + 5 * aux_div_aux_mod_v_~a12~0_438_31_31 <= 366413) && 366344 < 5 * aux_div_v_~a12~0_438_31 + 5 * aux_div_aux_mod_v_~a12~0_438_31_31) && 0 <= 5 * aux_div_aux_mod_v_~a12~0_438_31_31) && a12 + 600049 <= aux_div_v_~a12~0_438_31)) && a21 <= 8)) || (((a24 == 1 && a15 <= 8) && 10 <= a21) && 95382 <= a12)) || (((0 <= a12 + 41 && a12 <= 11) && a24 == 1) && 10 <= a21)) || (((((a12 + -600066) / 5 + 14 <= 0 || (a12 + 4 == (a12 + 4) / 5 * 5 && (a12 + -600066) / 5 + 13 <= 0)) && a24 == 1) && 95382 <= a12) && a21 <= 6)) || (((7 == a15 && a24 == 1) && a12 + 44 <= 0) && a21 <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 246 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 87.5s, OverallIterations: 22, TraceHistogramMax: 18, AutomataDifference: 27.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2544 SDtfs, 2253 SDslu, 154 SDs, 0 SdLazy, 13974 SolverSat, 1833 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 20.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7895 GetRequests, 7830 SyntacticMatches, 1 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8192occurred in iteration=18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.7s AutomataMinimizationTime, 22 MinimizatonAttempts, 5340 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 106 NumberOfFragments, 851 HoareAnnotationTreeSize, 3 FomulaSimplifications, 5958 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 3 FomulaSimplificationsInter, 4346 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.1s SsaConstructionTime, 4.1s SatisfiabilityAnalysisTime, 19.1s InterpolantComputationTime, 28335 NumberOfCodeBlocks, 28335 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 28304 ConstructedInterpolants, 250 QuantifiedInterpolants, 108368323 SizeOfPredicates, 3 NumberOfNonLiveVariables, 9838 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 31 InterpolantComputations, 21 PerfectInterpolantSequences, 108776/110891 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...