./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label03.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_b2f2ca44-e8e5-40d8-8786-b6796d6a3c6a/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b2f2ca44-e8e5-40d8-8786-b6796d6a3c6a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b2f2ca44-e8e5-40d8-8786-b6796d6a3c6a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b2f2ca44-e8e5-40d8-8786-b6796d6a3c6a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label03.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b2f2ca44-e8e5-40d8-8786-b6796d6a3c6a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b2f2ca44-e8e5-40d8-8786-b6796d6a3c6a/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 3e3b23830164ac928865389816d61d6dc5db2013 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 20:53:11,546 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:53:11,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:53:11,619 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:53:11,619 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:53:11,621 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:53:11,623 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:53:11,625 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:53:11,627 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:53:11,629 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:53:11,630 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:53:11,631 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:53:11,632 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:53:11,633 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:53:11,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:53:11,636 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:53:11,637 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:53:11,638 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:53:11,641 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:53:11,643 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:53:11,645 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:53:11,647 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:53:11,648 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:53:11,649 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:53:11,653 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:53:11,654 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:53:11,654 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:53:11,655 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:53:11,656 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:53:11,657 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:53:11,658 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:53:11,663 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:53:11,665 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:53:11,666 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:53:11,668 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:53:11,668 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:53:11,669 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:53:11,669 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:53:11,669 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:53:11,671 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:53:11,671 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:53:11,674 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b2f2ca44-e8e5-40d8-8786-b6796d6a3c6a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 20:53:11,717 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:53:11,717 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:53:11,719 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:53:11,719 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:53:11,719 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 20:53:11,719 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:53:11,720 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:53:11,720 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 20:53:11,720 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:53:11,720 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:53:11,721 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 20:53:11,722 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 20:53:11,722 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 20:53:11,722 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:53:11,722 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:53:11,722 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:53:11,723 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 20:53:11,723 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:53:11,723 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 20:53:11,723 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 20:53:11,723 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 20:53:11,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 20:53:11,724 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:53:11,724 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 20:53:11,724 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 20:53:11,724 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 20:53:11,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 20:53:11,725 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 20:53:11,725 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 20:53:11,725 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_b2f2ca44-e8e5-40d8-8786-b6796d6a3c6a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b2f2ca44-e8e5-40d8-8786-b6796d6a3c6a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e3b23830164ac928865389816d61d6dc5db2013 [2020-11-29 20:53:11,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:53:12,027 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:53:12,030 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:53:12,033 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:53:12,034 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:53:12,035 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b2f2ca44-e8e5-40d8-8786-b6796d6a3c6a/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label03.c [2020-11-29 20:53:12,106 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b2f2ca44-e8e5-40d8-8786-b6796d6a3c6a/bin/uautomizer/data/5c8456675/561d77fa1a424882aeafc3e372293d81/FLAG4746c48d0 [2020-11-29 20:53:12,722 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:53:12,723 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b2f2ca44-e8e5-40d8-8786-b6796d6a3c6a/sv-benchmarks/c/eca-rers2012/Problem14_label03.c [2020-11-29 20:53:12,744 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b2f2ca44-e8e5-40d8-8786-b6796d6a3c6a/bin/uautomizer/data/5c8456675/561d77fa1a424882aeafc3e372293d81/FLAG4746c48d0 [2020-11-29 20:53:12,933 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b2f2ca44-e8e5-40d8-8786-b6796d6a3c6a/bin/uautomizer/data/5c8456675/561d77fa1a424882aeafc3e372293d81 [2020-11-29 20:53:12,935 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:53:12,936 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:53:12,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:53:12,937 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:53:12,940 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:53:12,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:53:12" (1/1) ... [2020-11-29 20:53:12,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3255af6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:53:12, skipping insertion in model container [2020-11-29 20:53:12,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:53:12" (1/1) ... [2020-11-29 20:53:12,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:53:13,002 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:53:13,455 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:53:13,466 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 20:53:13,747 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:53:13,763 INFO L208 MainTranslator]: Completed translation [2020-11-29 20:53:13,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:53:13 WrapperNode [2020-11-29 20:53:13,765 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:53:13,767 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 20:53:13,767 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 20:53:13,767 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 20:53:13,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:53:13" (1/1) ... [2020-11-29 20:53:13,803 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:53:13" (1/1) ... [2020-11-29 20:53:13,916 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 20:53:13,917 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 20:53:13,917 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 20:53:13,918 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 20:53:13,929 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:53:13" (1/1) ... [2020-11-29 20:53:13,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:53:13" (1/1) ... [2020-11-29 20:53:13,964 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:53:13" (1/1) ... [2020-11-29 20:53:13,964 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:53:13" (1/1) ... [2020-11-29 20:53:13,999 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:53:13" (1/1) ... [2020-11-29 20:53:14,013 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:53:13" (1/1) ... [2020-11-29 20:53:14,040 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:53:13" (1/1) ... [2020-11-29 20:53:14,059 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 20:53:14,061 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 20:53:14,061 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 20:53:14,061 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 20:53:14,062 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:53:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b2f2ca44-e8e5-40d8-8786-b6796d6a3c6a/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 20:53:14,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 20:53:14,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 20:53:14,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 20:53:14,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 20:53:15,655 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 20:53:15,655 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 20:53:15,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:53:15 BoogieIcfgContainer [2020-11-29 20:53:15,659 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 20:53:15,660 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 20:53:15,661 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 20:53:15,664 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 20:53:15,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 08:53:12" (1/3) ... [2020-11-29 20:53:15,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@719d29a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 08:53:15, skipping insertion in model container [2020-11-29 20:53:15,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:53:13" (2/3) ... [2020-11-29 20:53:15,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@719d29a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 08:53:15, skipping insertion in model container [2020-11-29 20:53:15,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:53:15" (3/3) ... [2020-11-29 20:53:15,667 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label03.c [2020-11-29 20:53:15,681 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 20:53:15,685 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 20:53:15,697 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 20:53:15,737 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 20:53:15,738 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 20:53:15,738 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 20:53:15,738 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 20:53:15,738 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 20:53:15,738 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 20:53:15,738 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 20:53:15,738 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 20:53:15,762 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states. [2020-11-29 20:53:15,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-29 20:53:15,772 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:53:15,773 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:53:15,773 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:53:15,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:53:15,781 INFO L82 PathProgramCache]: Analyzing trace with hash 2122806209, now seen corresponding path program 1 times [2020-11-29 20:53:15,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:53:15,791 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448248711] [2020-11-29 20:53:15,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:53:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:53:16,036 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 20:53:16,036 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448248711] [2020-11-29 20:53:16,037 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:53:16,037 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 20:53:16,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492864725] [2020-11-29 20:53:16,042 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:53:16,043 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:53:16,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:53:16,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:53:16,057 INFO L87 Difference]: Start difference. First operand 246 states. Second operand 3 states. [2020-11-29 20:53:17,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:53:17,259 INFO L93 Difference]: Finished difference Result 670 states and 1201 transitions. [2020-11-29 20:53:17,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:53:17,261 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-11-29 20:53:17,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:53:17,276 INFO L225 Difference]: With dead ends: 670 [2020-11-29 20:53:17,276 INFO L226 Difference]: Without dead ends: 360 [2020-11-29 20:53:17,287 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 20:53:17,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-11-29 20:53:17,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2020-11-29 20:53:17,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-11-29 20:53:17,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 588 transitions. [2020-11-29 20:53:17,395 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 588 transitions. Word has length 51 [2020-11-29 20:53:17,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:53:17,397 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 588 transitions. [2020-11-29 20:53:17,397 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:53:17,398 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 588 transitions. [2020-11-29 20:53:17,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-11-29 20:53:17,431 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:53:17,431 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 20:53:17,432 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 20:53:17,432 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:53:17,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:53:17,435 INFO L82 PathProgramCache]: Analyzing trace with hash 223663500, now seen corresponding path program 1 times [2020-11-29 20:53:17,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:53:17,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236236600] [2020-11-29 20:53:17,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:53:17,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:53:17,666 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:53:17,666 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236236600] [2020-11-29 20:53:17,666 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:53:17,666 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 20:53:17,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429621672] [2020-11-29 20:53:17,669 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:53:17,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:53:17,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:53:17,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:53:17,672 INFO L87 Difference]: Start difference. First operand 360 states and 588 transitions. Second operand 3 states. [2020-11-29 20:53:18,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:53:18,773 INFO L93 Difference]: Finished difference Result 1076 states and 1760 transitions. [2020-11-29 20:53:18,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:53:18,774 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2020-11-29 20:53:18,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:53:18,779 INFO L225 Difference]: With dead ends: 1076 [2020-11-29 20:53:18,780 INFO L226 Difference]: Without dead ends: 718 [2020-11-29 20:53:18,782 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 20:53:18,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2020-11-29 20:53:18,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 716. [2020-11-29 20:53:18,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2020-11-29 20:53:18,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 1017 transitions. [2020-11-29 20:53:18,841 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 1017 transitions. Word has length 116 [2020-11-29 20:53:18,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:53:18,842 INFO L481 AbstractCegarLoop]: Abstraction has 716 states and 1017 transitions. [2020-11-29 20:53:18,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:53:18,842 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 1017 transitions. [2020-11-29 20:53:18,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-11-29 20:53:18,846 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:53:18,846 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 20:53:18,846 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 20:53:18,847 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:53:18,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:53:18,847 INFO L82 PathProgramCache]: Analyzing trace with hash -339073553, now seen corresponding path program 1 times [2020-11-29 20:53:18,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:53:18,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487498405] [2020-11-29 20:53:18,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:53:18,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:53:18,983 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:53:18,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487498405] [2020-11-29 20:53:18,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:53:18,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 20:53:18,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560413198] [2020-11-29 20:53:18,985 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:53:18,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:53:18,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:53:18,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:53:18,990 INFO L87 Difference]: Start difference. First operand 716 states and 1017 transitions. Second operand 3 states. [2020-11-29 20:53:19,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:53:19,989 INFO L93 Difference]: Finished difference Result 1608 states and 2324 transitions. [2020-11-29 20:53:19,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:53:19,990 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2020-11-29 20:53:19,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:53:19,996 INFO L225 Difference]: With dead ends: 1608 [2020-11-29 20:53:19,996 INFO L226 Difference]: Without dead ends: 894 [2020-11-29 20:53:19,997 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 20:53:19,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2020-11-29 20:53:20,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 894. [2020-11-29 20:53:20,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-11-29 20:53:20,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1189 transitions. [2020-11-29 20:53:20,024 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1189 transitions. Word has length 117 [2020-11-29 20:53:20,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:53:20,024 INFO L481 AbstractCegarLoop]: Abstraction has 894 states and 1189 transitions. [2020-11-29 20:53:20,025 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:53:20,025 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1189 transitions. [2020-11-29 20:53:20,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-11-29 20:53:20,027 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:53:20,027 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 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 20:53:20,027 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 20:53:20,027 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:53:20,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:53:20,028 INFO L82 PathProgramCache]: Analyzing trace with hash 706319318, now seen corresponding path program 1 times [2020-11-29 20:53:20,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:53:20,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013487259] [2020-11-29 20:53:20,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:53:20,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:53:20,249 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:53:20,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013487259] [2020-11-29 20:53:20,249 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:53:20,250 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:53:20,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731089627] [2020-11-29 20:53:20,250 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 20:53:20,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:53:20,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 20:53:20,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 20:53:20,251 INFO L87 Difference]: Start difference. First operand 894 states and 1189 transitions. Second operand 4 states. [2020-11-29 20:53:21,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:53:21,654 INFO L93 Difference]: Finished difference Result 2144 states and 2782 transitions. [2020-11-29 20:53:21,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 20:53:21,655 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 120 [2020-11-29 20:53:21,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:53:21,662 INFO L225 Difference]: With dead ends: 2144 [2020-11-29 20:53:21,662 INFO L226 Difference]: Without dead ends: 1252 [2020-11-29 20:53:21,664 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 20:53:21,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states. [2020-11-29 20:53:21,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 1250. [2020-11-29 20:53:21,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1250 states. [2020-11-29 20:53:21,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1570 transitions. [2020-11-29 20:53:21,704 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1570 transitions. Word has length 120 [2020-11-29 20:53:21,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:53:21,705 INFO L481 AbstractCegarLoop]: Abstraction has 1250 states and 1570 transitions. [2020-11-29 20:53:21,705 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 20:53:21,705 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1570 transitions. [2020-11-29 20:53:21,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-11-29 20:53:21,708 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:53:21,708 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:53:21,708 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 20:53:21,708 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:53:21,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:53:21,709 INFO L82 PathProgramCache]: Analyzing trace with hash -425118446, now seen corresponding path program 1 times [2020-11-29 20:53:21,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:53:21,710 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111894383] [2020-11-29 20:53:21,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:53:21,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:53:21,987 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:53:21,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111894383] [2020-11-29 20:53:21,987 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:53:21,988 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:53:21,988 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531342902] [2020-11-29 20:53:21,988 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 20:53:21,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:53:21,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 20:53:21,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 20:53:21,989 INFO L87 Difference]: Start difference. First operand 1250 states and 1570 transitions. Second operand 4 states. [2020-11-29 20:53:23,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:53:23,132 INFO L93 Difference]: Finished difference Result 2885 states and 3573 transitions. [2020-11-29 20:53:23,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 20:53:23,133 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 131 [2020-11-29 20:53:23,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:53:23,142 INFO L225 Difference]: With dead ends: 2885 [2020-11-29 20:53:23,142 INFO L226 Difference]: Without dead ends: 1608 [2020-11-29 20:53:23,144 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 20:53:23,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1608 states. [2020-11-29 20:53:23,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 1606. [2020-11-29 20:53:23,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1606 states. [2020-11-29 20:53:23,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 1816 transitions. [2020-11-29 20:53:23,188 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 1816 transitions. Word has length 131 [2020-11-29 20:53:23,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:53:23,190 INFO L481 AbstractCegarLoop]: Abstraction has 1606 states and 1816 transitions. [2020-11-29 20:53:23,190 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 20:53:23,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1816 transitions. [2020-11-29 20:53:23,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-11-29 20:53:23,193 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:53:23,193 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:53:23,194 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 20:53:23,194 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:53:23,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:53:23,195 INFO L82 PathProgramCache]: Analyzing trace with hash 2063573127, now seen corresponding path program 1 times [2020-11-29 20:53:23,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:53:23,195 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450009023] [2020-11-29 20:53:23,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:53:23,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:53:23,426 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:53:23,426 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450009023] [2020-11-29 20:53:23,427 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:53:23,427 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:53:23,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494796392] [2020-11-29 20:53:23,428 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:53:23,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:53:23,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:53:23,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:53:23,430 INFO L87 Difference]: Start difference. First operand 1606 states and 1816 transitions. Second operand 3 states. [2020-11-29 20:53:24,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:53:24,322 INFO L93 Difference]: Finished difference Result 3922 states and 4494 transitions. [2020-11-29 20:53:24,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:53:24,323 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 225 [2020-11-29 20:53:24,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:53:24,335 INFO L225 Difference]: With dead ends: 3922 [2020-11-29 20:53:24,335 INFO L226 Difference]: Without dead ends: 2318 [2020-11-29 20:53:24,338 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 20:53:24,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2318 states. [2020-11-29 20:53:24,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2318 to 2140. [2020-11-29 20:53:24,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2020-11-29 20:53:24,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2390 transitions. [2020-11-29 20:53:24,390 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2390 transitions. Word has length 225 [2020-11-29 20:53:24,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:53:24,394 INFO L481 AbstractCegarLoop]: Abstraction has 2140 states and 2390 transitions. [2020-11-29 20:53:24,395 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:53:24,395 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2390 transitions. [2020-11-29 20:53:24,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2020-11-29 20:53:24,400 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:53:24,401 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:53:24,401 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 20:53:24,401 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:53:24,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:53:24,402 INFO L82 PathProgramCache]: Analyzing trace with hash -487202449, now seen corresponding path program 1 times [2020-11-29 20:53:24,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:53:24,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925681641] [2020-11-29 20:53:24,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:53:24,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:53:24,835 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2020-11-29 20:53:24,835 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925681641] [2020-11-29 20:53:24,835 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:53:24,835 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:53:24,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442734803] [2020-11-29 20:53:24,836 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 20:53:24,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:53:24,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 20:53:24,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 20:53:24,838 INFO L87 Difference]: Start difference. First operand 2140 states and 2390 transitions. Second operand 4 states. [2020-11-29 20:53:25,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:53:25,804 INFO L93 Difference]: Finished difference Result 4336 states and 4860 transitions. [2020-11-29 20:53:25,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 20:53:25,805 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 342 [2020-11-29 20:53:25,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:53:25,816 INFO L225 Difference]: With dead ends: 4336 [2020-11-29 20:53:25,816 INFO L226 Difference]: Without dead ends: 2318 [2020-11-29 20:53:25,819 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 20:53:25,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2318 states. [2020-11-29 20:53:25,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2318 to 2140. [2020-11-29 20:53:25,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2020-11-29 20:53:25,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2305 transitions. [2020-11-29 20:53:25,869 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2305 transitions. Word has length 342 [2020-11-29 20:53:25,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:53:25,870 INFO L481 AbstractCegarLoop]: Abstraction has 2140 states and 2305 transitions. [2020-11-29 20:53:25,870 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 20:53:25,870 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2305 transitions. [2020-11-29 20:53:25,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2020-11-29 20:53:25,879 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:53:25,879 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 1, 1, 1, 1, 1, 1] [2020-11-29 20:53:25,880 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 20:53:25,880 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:53:25,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:53:25,880 INFO L82 PathProgramCache]: Analyzing trace with hash -1395019641, now seen corresponding path program 1 times [2020-11-29 20:53:25,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:53:25,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23799080] [2020-11-29 20:53:25,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:53:25,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:53:26,323 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 401 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-11-29 20:53:26,324 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23799080] [2020-11-29 20:53:26,324 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:53:26,325 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:53:26,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193571778] [2020-11-29 20:53:26,325 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:53:26,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:53:26,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:53:26,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:53:26,326 INFO L87 Difference]: Start difference. First operand 2140 states and 2305 transitions. Second operand 3 states. [2020-11-29 20:53:27,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:53:27,111 INFO L93 Difference]: Finished difference Result 4456 states and 4866 transitions. [2020-11-29 20:53:27,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:53:27,121 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 437 [2020-11-29 20:53:27,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:53:27,133 INFO L225 Difference]: With dead ends: 4456 [2020-11-29 20:53:27,133 INFO L226 Difference]: Without dead ends: 2496 [2020-11-29 20:53:27,136 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 20:53:27,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2496 states. [2020-11-29 20:53:27,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2496 to 1962. [2020-11-29 20:53:27,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1962 states. [2020-11-29 20:53:27,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2113 transitions. [2020-11-29 20:53:27,186 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2113 transitions. Word has length 437 [2020-11-29 20:53:27,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:53:27,187 INFO L481 AbstractCegarLoop]: Abstraction has 1962 states and 2113 transitions. [2020-11-29 20:53:27,187 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:53:27,187 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2113 transitions. [2020-11-29 20:53:27,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2020-11-29 20:53:27,198 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:53:27,199 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:53:27,199 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 20:53:27,199 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:53:27,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:53:27,200 INFO L82 PathProgramCache]: Analyzing trace with hash -1906645232, now seen corresponding path program 1 times [2020-11-29 20:53:27,200 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:53:27,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600838612] [2020-11-29 20:53:27,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:53:27,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:53:27,626 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 401 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-11-29 20:53:27,627 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600838612] [2020-11-29 20:53:27,627 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:53:27,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:53:27,628 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925005983] [2020-11-29 20:53:27,629 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:53:27,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:53:27,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:53:27,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:53:27,634 INFO L87 Difference]: Start difference. First operand 1962 states and 2113 transitions. Second operand 3 states. [2020-11-29 20:53:28,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:53:28,434 INFO L93 Difference]: Finished difference Result 4456 states and 4867 transitions. [2020-11-29 20:53:28,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:53:28,435 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 444 [2020-11-29 20:53:28,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:53:28,447 INFO L225 Difference]: With dead ends: 4456 [2020-11-29 20:53:28,447 INFO L226 Difference]: Without dead ends: 2674 [2020-11-29 20:53:28,450 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 20:53:28,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2020-11-29 20:53:28,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2496. [2020-11-29 20:53:28,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2496 states. [2020-11-29 20:53:28,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 2664 transitions. [2020-11-29 20:53:28,498 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 2664 transitions. Word has length 444 [2020-11-29 20:53:28,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:53:28,499 INFO L481 AbstractCegarLoop]: Abstraction has 2496 states and 2664 transitions. [2020-11-29 20:53:28,499 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:53:28,499 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 2664 transitions. [2020-11-29 20:53:28,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2020-11-29 20:53:28,504 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:53:28,505 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:53:28,505 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 20:53:28,505 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:53:28,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:53:28,506 INFO L82 PathProgramCache]: Analyzing trace with hash -351650160, now seen corresponding path program 1 times [2020-11-29 20:53:28,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:53:28,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966979871] [2020-11-29 20:53:28,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:53:28,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:53:28,978 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 519 proven. 0 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2020-11-29 20:53:28,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966979871] [2020-11-29 20:53:28,979 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:53:28,979 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:53:28,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335152919] [2020-11-29 20:53:28,980 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:53:28,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:53:28,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:53:28,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:53:28,981 INFO L87 Difference]: Start difference. First operand 2496 states and 2664 transitions. Second operand 3 states. [2020-11-29 20:53:29,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:53:29,709 INFO L93 Difference]: Finished difference Result 5524 states and 5977 transitions. [2020-11-29 20:53:29,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:53:29,711 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 599 [2020-11-29 20:53:29,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:53:29,726 INFO L225 Difference]: With dead ends: 5524 [2020-11-29 20:53:29,726 INFO L226 Difference]: Without dead ends: 3208 [2020-11-29 20:53:29,729 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 20:53:29,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2020-11-29 20:53:29,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 3030. [2020-11-29 20:53:29,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3030 states. [2020-11-29 20:53:29,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 3030 states and 3230 transitions. [2020-11-29 20:53:29,787 INFO L78 Accepts]: Start accepts. Automaton has 3030 states and 3230 transitions. Word has length 599 [2020-11-29 20:53:29,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:53:29,788 INFO L481 AbstractCegarLoop]: Abstraction has 3030 states and 3230 transitions. [2020-11-29 20:53:29,788 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:53:29,788 INFO L276 IsEmpty]: Start isEmpty. Operand 3030 states and 3230 transitions. [2020-11-29 20:53:29,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 618 [2020-11-29 20:53:29,793 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:53:29,794 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:53:29,794 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-29 20:53:29,794 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:53:29,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:53:29,795 INFO L82 PathProgramCache]: Analyzing trace with hash 1264120547, now seen corresponding path program 1 times [2020-11-29 20:53:29,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:53:29,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131827752] [2020-11-29 20:53:29,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:53:29,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:53:30,318 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 793 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2020-11-29 20:53:30,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131827752] [2020-11-29 20:53:30,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:53:30,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:53:30,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042209636] [2020-11-29 20:53:30,319 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:53:30,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:53:30,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:53:30,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:53:30,320 INFO L87 Difference]: Start difference. First operand 3030 states and 3230 transitions. Second operand 3 states. [2020-11-29 20:53:31,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:53:31,139 INFO L93 Difference]: Finished difference Result 6592 states and 7101 transitions. [2020-11-29 20:53:31,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:53:31,142 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 617 [2020-11-29 20:53:31,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:53:31,160 INFO L225 Difference]: With dead ends: 6592 [2020-11-29 20:53:31,160 INFO L226 Difference]: Without dead ends: 3742 [2020-11-29 20:53:31,163 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 20:53:31,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2020-11-29 20:53:31,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3386. [2020-11-29 20:53:31,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2020-11-29 20:53:31,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3622 transitions. [2020-11-29 20:53:31,247 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3622 transitions. Word has length 617 [2020-11-29 20:53:31,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:53:31,249 INFO L481 AbstractCegarLoop]: Abstraction has 3386 states and 3622 transitions. [2020-11-29 20:53:31,249 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:53:31,249 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3622 transitions. [2020-11-29 20:53:31,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 641 [2020-11-29 20:53:31,258 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:53:31,258 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:53:31,259 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-29 20:53:31,259 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:53:31,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:53:31,260 INFO L82 PathProgramCache]: Analyzing trace with hash 466603747, now seen corresponding path program 1 times [2020-11-29 20:53:31,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:53:31,260 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982804088] [2020-11-29 20:53:31,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:53:31,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:53:31,842 INFO L134 CoverageAnalysis]: Checked inductivity of 1311 backedges. 887 proven. 110 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-11-29 20:53:31,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982804088] [2020-11-29 20:53:31,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507939353] [2020-11-29 20:53:31,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b2f2ca44-e8e5-40d8-8786-b6796d6a3c6a/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 20:53:32,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:53:32,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 20:53:32,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:53:32,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1311 backedges. 244 proven. 0 refuted. 0 times theorem prover too weak. 1067 trivial. 0 not checked. [2020-11-29 20:53:32,549 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 20:53:32,549 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-11-29 20:53:32,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202929637] [2020-11-29 20:53:32,551 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:53:32,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:53:32,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:53:32,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 20:53:32,552 INFO L87 Difference]: Start difference. First operand 3386 states and 3622 transitions. Second operand 3 states. [2020-11-29 20:53:33,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:53:33,461 INFO L93 Difference]: Finished difference Result 7304 states and 7885 transitions. [2020-11-29 20:53:33,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:53:33,462 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 640 [2020-11-29 20:53:33,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:53:33,485 INFO L225 Difference]: With dead ends: 7304 [2020-11-29 20:53:33,485 INFO L226 Difference]: Without dead ends: 4098 [2020-11-29 20:53:33,489 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 643 GetRequests, 640 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 20:53:33,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4098 states. [2020-11-29 20:53:33,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4098 to 3920. [2020-11-29 20:53:33,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3920 states. [2020-11-29 20:53:33,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3920 states to 3920 states and 4191 transitions. [2020-11-29 20:53:33,593 INFO L78 Accepts]: Start accepts. Automaton has 3920 states and 4191 transitions. Word has length 640 [2020-11-29 20:53:33,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:53:33,594 INFO L481 AbstractCegarLoop]: Abstraction has 3920 states and 4191 transitions. [2020-11-29 20:53:33,594 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:53:33,594 INFO L276 IsEmpty]: Start isEmpty. Operand 3920 states and 4191 transitions. [2020-11-29 20:53:33,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 788 [2020-11-29 20:53:33,607 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:53:33,608 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:53:33,827 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-11-29 20:53:33,827 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:53:33,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:53:33,827 INFO L82 PathProgramCache]: Analyzing trace with hash 776834831, now seen corresponding path program 1 times [2020-11-29 20:53:33,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:53:33,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616315146] [2020-11-29 20:53:33,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:53:33,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:53:34,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1817 backedges. 1299 proven. 155 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2020-11-29 20:53:34,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616315146] [2020-11-29 20:53:34,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [144375035] [2020-11-29 20:53:34,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b2f2ca44-e8e5-40d8-8786-b6796d6a3c6a/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 20:53:34,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:53:34,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 993 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 20:53:34,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:53:35,276 INFO L134 CoverageAnalysis]: Checked inductivity of 1817 backedges. 293 proven. 0 refuted. 0 times theorem prover too weak. 1524 trivial. 0 not checked. [2020-11-29 20:53:35,277 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 20:53:35,278 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-11-29 20:53:35,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499035447] [2020-11-29 20:53:35,282 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:53:35,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:53:35,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:53:35,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 20:53:35,284 INFO L87 Difference]: Start difference. First operand 3920 states and 4191 transitions. Second operand 3 states. [2020-11-29 20:53:36,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:53:36,028 INFO L93 Difference]: Finished difference Result 5346 states and 5682 transitions. [2020-11-29 20:53:36,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:53:36,028 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 787 [2020-11-29 20:53:36,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:53:36,053 INFO L225 Difference]: With dead ends: 5346 [2020-11-29 20:53:36,054 INFO L226 Difference]: Without dead ends: 5344 [2020-11-29 20:53:36,056 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 790 GetRequests, 787 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 20:53:36,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5344 states. [2020-11-29 20:53:36,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5344 to 3920. [2020-11-29 20:53:36,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3920 states. [2020-11-29 20:53:36,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3920 states to 3920 states and 4191 transitions. [2020-11-29 20:53:36,143 INFO L78 Accepts]: Start accepts. Automaton has 3920 states and 4191 transitions. Word has length 787 [2020-11-29 20:53:36,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:53:36,145 INFO L481 AbstractCegarLoop]: Abstraction has 3920 states and 4191 transitions. [2020-11-29 20:53:36,145 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:53:36,145 INFO L276 IsEmpty]: Start isEmpty. Operand 3920 states and 4191 transitions. [2020-11-29 20:53:36,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 806 [2020-11-29 20:53:36,159 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:53:36,160 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:53:36,382 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-11-29 20:53:36,383 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:53:36,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:53:36,383 INFO L82 PathProgramCache]: Analyzing trace with hash 1038157372, now seen corresponding path program 1 times [2020-11-29 20:53:36,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:53:36,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391698942] [2020-11-29 20:53:36,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:53:36,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:53:37,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1907 backedges. 1389 proven. 155 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2020-11-29 20:53:37,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391698942] [2020-11-29 20:53:37,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2067931371] [2020-11-29 20:53:37,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b2f2ca44-e8e5-40d8-8786-b6796d6a3c6a/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 20:53:37,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:53:37,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 1010 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 20:53:37,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:53:37,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1907 backedges. 293 proven. 0 refuted. 0 times theorem prover too weak. 1614 trivial. 0 not checked. [2020-11-29 20:53:37,787 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 20:53:37,787 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-11-29 20:53:37,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907014673] [2020-11-29 20:53:37,788 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:53:37,789 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:53:37,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:53:37,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 20:53:37,789 INFO L87 Difference]: Start difference. First operand 3920 states and 4191 transitions. Second operand 3 states. [2020-11-29 20:53:38,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:53:38,545 INFO L93 Difference]: Finished difference Result 8726 states and 9348 transitions. [2020-11-29 20:53:38,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:53:38,546 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 805 [2020-11-29 20:53:38,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:53:38,547 INFO L225 Difference]: With dead ends: 8726 [2020-11-29 20:53:38,547 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 20:53:38,553 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 808 GetRequests, 805 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 20:53:38,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 20:53:38,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 20:53:38,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 20:53:38,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 20:53:38,554 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 805 [2020-11-29 20:53:38,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:53:38,555 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 20:53:38,555 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:53:38,555 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 20:53:38,555 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 20:53:38,771 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-11-29 20:53:38,772 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 20:53:39,128 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 31 [2020-11-29 20:53:39,445 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 31 [2020-11-29 20:53:39,447 INFO L274 CegarLoopResult]: For program point L762(lines 762 880) no Hoare annotation was computed. [2020-11-29 20:53:39,448 INFO L274 CegarLoopResult]: For program point L895(line 895) no Hoare annotation was computed. [2020-11-29 20:53:39,448 INFO L274 CegarLoopResult]: For program point L829(lines 829 880) no Hoare annotation was computed. [2020-11-29 20:53:39,448 INFO L274 CegarLoopResult]: For program point L631(lines 631 880) no Hoare annotation was computed. [2020-11-29 20:53:39,448 INFO L274 CegarLoopResult]: For program point L565(lines 565 880) no Hoare annotation was computed. [2020-11-29 20:53:39,448 INFO L274 CegarLoopResult]: For program point L169-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,448 INFO L274 CegarLoopResult]: For program point L103-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,448 INFO L274 CegarLoopResult]: For program point L37-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,448 INFO L274 CegarLoopResult]: For program point L698(lines 698 880) no Hoare annotation was computed. [2020-11-29 20:53:39,448 INFO L274 CegarLoopResult]: For program point L500(lines 500 880) no Hoare annotation was computed. [2020-11-29 20:53:39,448 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-11-29 20:53:39,448 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-11-29 20:53:39,448 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-11-29 20:53:39,448 INFO L274 CegarLoopResult]: For program point L369(lines 369 880) no Hoare annotation was computed. [2020-11-29 20:53:39,448 INFO L274 CegarLoopResult]: For program point L303(lines 303 880) no Hoare annotation was computed. [2020-11-29 20:53:39,448 INFO L274 CegarLoopResult]: For program point L436(lines 436 880) no Hoare annotation was computed. [2020-11-29 20:53:39,448 INFO L274 CegarLoopResult]: For program point L172-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,448 INFO L274 CegarLoopResult]: For program point L106-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,448 INFO L274 CegarLoopResult]: For program point L40-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,449 INFO L274 CegarLoopResult]: For program point L239(lines 239 880) no Hoare annotation was computed. [2020-11-29 20:53:39,449 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-11-29 20:53:39,449 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-11-29 20:53:39,449 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-11-29 20:53:39,449 INFO L274 CegarLoopResult]: For program point L768(lines 768 880) no Hoare annotation was computed. [2020-11-29 20:53:39,449 INFO L274 CegarLoopResult]: For program point L636(lines 636 880) no Hoare annotation was computed. [2020-11-29 20:53:39,449 INFO L274 CegarLoopResult]: For program point L835(lines 835 880) no Hoare annotation was computed. [2020-11-29 20:53:39,449 INFO L274 CegarLoopResult]: For program point L571(lines 571 880) no Hoare annotation was computed. [2020-11-29 20:53:39,449 INFO L274 CegarLoopResult]: For program point L505(lines 505 880) no Hoare annotation was computed. [2020-11-29 20:53:39,449 INFO L274 CegarLoopResult]: For program point L175-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,449 INFO L274 CegarLoopResult]: For program point L109-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,449 INFO L274 CegarLoopResult]: For program point L43-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,449 INFO L274 CegarLoopResult]: For program point L704(lines 704 880) no Hoare annotation was computed. [2020-11-29 20:53:39,449 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-11-29 20:53:39,449 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-11-29 20:53:39,449 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-11-29 20:53:39,449 INFO L274 CegarLoopResult]: For program point L309(lines 309 880) no Hoare annotation was computed. [2020-11-29 20:53:39,449 INFO L274 CegarLoopResult]: For program point L442(lines 442 880) no Hoare annotation was computed. [2020-11-29 20:53:39,449 INFO L274 CegarLoopResult]: For program point L376(lines 376 880) no Hoare annotation was computed. [2020-11-29 20:53:39,450 INFO L274 CegarLoopResult]: For program point L178-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,450 INFO L274 CegarLoopResult]: For program point L112-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,450 INFO L274 CegarLoopResult]: For program point L46-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,450 INFO L274 CegarLoopResult]: For program point L245(lines 245 880) no Hoare annotation was computed. [2020-11-29 20:53:39,450 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-11-29 20:53:39,450 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-11-29 20:53:39,450 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-11-29 20:53:39,450 INFO L274 CegarLoopResult]: For program point L774(lines 774 880) no Hoare annotation was computed. [2020-11-29 20:53:39,450 INFO L274 CegarLoopResult]: For program point L642(lines 642 880) no Hoare annotation was computed. [2020-11-29 20:53:39,450 INFO L274 CegarLoopResult]: For program point L510(lines 510 880) no Hoare annotation was computed. [2020-11-29 20:53:39,450 INFO L274 CegarLoopResult]: For program point L841(lines 841 880) no Hoare annotation was computed. [2020-11-29 20:53:39,450 INFO L274 CegarLoopResult]: For program point L181-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,450 INFO L274 CegarLoopResult]: For program point L115-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,450 INFO L274 CegarLoopResult]: For program point L49-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,450 INFO L274 CegarLoopResult]: For program point L710(lines 710 880) no Hoare annotation was computed. [2020-11-29 20:53:39,450 INFO L274 CegarLoopResult]: For program point L578(lines 578 880) no Hoare annotation was computed. [2020-11-29 20:53:39,450 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-11-29 20:53:39,450 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-11-29 20:53:39,451 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-11-29 20:53:39,451 INFO L274 CegarLoopResult]: For program point L315(lines 315 880) no Hoare annotation was computed. [2020-11-29 20:53:39,451 INFO L274 CegarLoopResult]: For program point L448(lines 448 880) no Hoare annotation was computed. [2020-11-29 20:53:39,451 INFO L274 CegarLoopResult]: For program point L382(lines 382 880) no Hoare annotation was computed. [2020-11-29 20:53:39,451 INFO L274 CegarLoopResult]: For program point L184-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,451 INFO L274 CegarLoopResult]: For program point L118-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,451 INFO L274 CegarLoopResult]: For program point L52-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,451 INFO L274 CegarLoopResult]: For program point L251(lines 251 880) no Hoare annotation was computed. [2020-11-29 20:53:39,451 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-11-29 20:53:39,451 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-11-29 20:53:39,451 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-11-29 20:53:39,451 INFO L274 CegarLoopResult]: For program point L648(lines 648 880) no Hoare annotation was computed. [2020-11-29 20:53:39,451 INFO L274 CegarLoopResult]: For program point L516(lines 516 880) no Hoare annotation was computed. [2020-11-29 20:53:39,451 INFO L274 CegarLoopResult]: For program point L847(lines 847 880) no Hoare annotation was computed. [2020-11-29 20:53:39,451 INFO L274 CegarLoopResult]: For program point L781(lines 781 880) no Hoare annotation was computed. [2020-11-29 20:53:39,451 INFO L274 CegarLoopResult]: For program point L583(lines 583 880) no Hoare annotation was computed. [2020-11-29 20:53:39,451 INFO L274 CegarLoopResult]: For program point L187-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,451 INFO L274 CegarLoopResult]: For program point L121-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,451 INFO L274 CegarLoopResult]: For program point L55-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,452 INFO L274 CegarLoopResult]: For program point L716(lines 716 880) no Hoare annotation was computed. [2020-11-29 20:53:39,452 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-11-29 20:53:39,452 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-11-29 20:53:39,452 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-11-29 20:53:39,452 INFO L274 CegarLoopResult]: For program point L321(lines 321 880) no Hoare annotation was computed. [2020-11-29 20:53:39,452 INFO L274 CegarLoopResult]: For program point L454(lines 454 880) no Hoare annotation was computed. [2020-11-29 20:53:39,452 INFO L274 CegarLoopResult]: For program point L388(lines 388 880) no Hoare annotation was computed. [2020-11-29 20:53:39,452 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 20:53:39,452 INFO L274 CegarLoopResult]: For program point L190-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,452 INFO L274 CegarLoopResult]: For program point L124-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,452 INFO L274 CegarLoopResult]: For program point L58-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,452 INFO L274 CegarLoopResult]: For program point L257(lines 257 880) no Hoare annotation was computed. [2020-11-29 20:53:39,452 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-11-29 20:53:39,452 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-11-29 20:53:39,452 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-11-29 20:53:39,452 INFO L274 CegarLoopResult]: For program point L852(lines 852 880) no Hoare annotation was computed. [2020-11-29 20:53:39,452 INFO L274 CegarLoopResult]: For program point L654(lines 654 880) no Hoare annotation was computed. [2020-11-29 20:53:39,452 INFO L274 CegarLoopResult]: For program point L522(lines 522 880) no Hoare annotation was computed. [2020-11-29 20:53:39,452 INFO L274 CegarLoopResult]: For program point L787(lines 787 880) no Hoare annotation was computed. [2020-11-29 20:53:39,453 INFO L274 CegarLoopResult]: For program point L589(lines 589 880) no Hoare annotation was computed. [2020-11-29 20:53:39,453 INFO L274 CegarLoopResult]: For program point L193-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,453 INFO L274 CegarLoopResult]: For program point L127-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,453 INFO L274 CegarLoopResult]: For program point L61-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,453 INFO L274 CegarLoopResult]: For program point L722(lines 722 880) no Hoare annotation was computed. [2020-11-29 20:53:39,453 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-11-29 20:53:39,453 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-11-29 20:53:39,453 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-11-29 20:53:39,453 INFO L274 CegarLoopResult]: For program point L459(lines 459 880) no Hoare annotation was computed. [2020-11-29 20:53:39,453 INFO L274 CegarLoopResult]: For program point L327(lines 327 880) no Hoare annotation was computed. [2020-11-29 20:53:39,453 INFO L274 CegarLoopResult]: For program point L394(lines 394 880) no Hoare annotation was computed. [2020-11-29 20:53:39,453 INFO L274 CegarLoopResult]: For program point L262(lines 262 880) no Hoare annotation was computed. [2020-11-29 20:53:39,453 INFO L274 CegarLoopResult]: For program point L196-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,453 INFO L274 CegarLoopResult]: For program point L130-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,453 INFO L274 CegarLoopResult]: For program point L64-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,453 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-11-29 20:53:39,453 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-11-29 20:53:39,453 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-11-29 20:53:39,453 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 20:53:39,454 INFO L274 CegarLoopResult]: For program point L858(lines 858 880) no Hoare annotation was computed. [2020-11-29 20:53:39,454 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 20:53:39,454 INFO L274 CegarLoopResult]: For program point L660(lines 660 880) no Hoare annotation was computed. [2020-11-29 20:53:39,454 INFO L274 CegarLoopResult]: For program point L528(lines 528 880) no Hoare annotation was computed. [2020-11-29 20:53:39,454 INFO L274 CegarLoopResult]: For program point L793(lines 793 880) no Hoare annotation was computed. [2020-11-29 20:53:39,454 INFO L274 CegarLoopResult]: For program point L595(lines 595 880) no Hoare annotation was computed. [2020-11-29 20:53:39,454 INFO L274 CegarLoopResult]: For program point L199-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,454 INFO L274 CegarLoopResult]: For program point L133-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,454 INFO L274 CegarLoopResult]: For program point L67-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,454 INFO L274 CegarLoopResult]: For program point L728(lines 728 880) no Hoare annotation was computed. [2020-11-29 20:53:39,454 INFO L274 CegarLoopResult]: For program point L464(lines 464 880) no Hoare annotation was computed. [2020-11-29 20:53:39,454 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-11-29 20:53:39,454 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-11-29 20:53:39,454 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-11-29 20:53:39,454 INFO L274 CegarLoopResult]: For program point L333(lines 333 880) no Hoare annotation was computed. [2020-11-29 20:53:39,454 INFO L274 CegarLoopResult]: For program point L400(lines 400 880) no Hoare annotation was computed. [2020-11-29 20:53:39,454 INFO L274 CegarLoopResult]: For program point L268(lines 268 880) no Hoare annotation was computed. [2020-11-29 20:53:39,454 INFO L274 CegarLoopResult]: For program point L202-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,455 INFO L274 CegarLoopResult]: For program point L136-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,455 INFO L274 CegarLoopResult]: For program point L70-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,455 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-11-29 20:53:39,455 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-11-29 20:53:39,455 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-11-29 20:53:39,455 INFO L274 CegarLoopResult]: For program point L864(lines 864 880) no Hoare annotation was computed. [2020-11-29 20:53:39,455 INFO L274 CegarLoopResult]: For program point L666(lines 666 880) no Hoare annotation was computed. [2020-11-29 20:53:39,455 INFO L274 CegarLoopResult]: For program point L534(lines 534 880) no Hoare annotation was computed. [2020-11-29 20:53:39,455 INFO L274 CegarLoopResult]: For program point L799(lines 799 880) no Hoare annotation was computed. [2020-11-29 20:53:39,455 INFO L274 CegarLoopResult]: For program point L601(lines 601 880) no Hoare annotation was computed. [2020-11-29 20:53:39,455 INFO L274 CegarLoopResult]: For program point L205-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,455 INFO L274 CegarLoopResult]: For program point L139-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,455 INFO L274 CegarLoopResult]: For program point L73-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,455 INFO L274 CegarLoopResult]: For program point L734(lines 734 880) no Hoare annotation was computed. [2020-11-29 20:53:39,455 INFO L274 CegarLoopResult]: For program point L470(lines 470 880) no Hoare annotation was computed. [2020-11-29 20:53:39,455 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-11-29 20:53:39,455 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-11-29 20:53:39,455 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-11-29 20:53:39,455 INFO L274 CegarLoopResult]: For program point L339(lines 339 880) no Hoare annotation was computed. [2020-11-29 20:53:39,455 INFO L274 CegarLoopResult]: For program point L406(lines 406 880) no Hoare annotation was computed. [2020-11-29 20:53:39,456 INFO L274 CegarLoopResult]: For program point L274(lines 274 880) no Hoare annotation was computed. [2020-11-29 20:53:39,456 INFO L274 CegarLoopResult]: For program point L208-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,456 INFO L274 CegarLoopResult]: For program point L142-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,456 INFO L274 CegarLoopResult]: For program point L76-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,456 INFO L274 CegarLoopResult]: For program point L869(lines 869 880) no Hoare annotation was computed. [2020-11-29 20:53:39,456 INFO L274 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-11-29 20:53:39,456 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-11-29 20:53:39,456 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-11-29 20:53:39,456 INFO L274 CegarLoopResult]: For program point L672(lines 672 880) no Hoare annotation was computed. [2020-11-29 20:53:39,456 INFO L274 CegarLoopResult]: For program point L540(lines 540 880) no Hoare annotation was computed. [2020-11-29 20:53:39,456 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-29 20:53:39,456 INFO L274 CegarLoopResult]: For program point L805(lines 805 880) no Hoare annotation was computed. [2020-11-29 20:53:39,456 INFO L274 CegarLoopResult]: For program point L607(lines 607 880) no Hoare annotation was computed. [2020-11-29 20:53:39,456 INFO L274 CegarLoopResult]: For program point L211-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,456 INFO L274 CegarLoopResult]: For program point L145-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,456 INFO L274 CegarLoopResult]: For program point L79-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,456 INFO L274 CegarLoopResult]: For program point L740(lines 740 880) no Hoare annotation was computed. [2020-11-29 20:53:39,456 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-11-29 20:53:39,456 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-11-29 20:53:39,457 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-11-29 20:53:39,457 INFO L274 CegarLoopResult]: For program point L477(lines 477 880) no Hoare annotation was computed. [2020-11-29 20:53:39,457 INFO L274 CegarLoopResult]: For program point L345(lines 345 880) no Hoare annotation was computed. [2020-11-29 20:53:39,457 INFO L274 CegarLoopResult]: For program point L279(lines 279 880) no Hoare annotation was computed. [2020-11-29 20:53:39,457 INFO L274 CegarLoopResult]: For program point L412(lines 412 880) no Hoare annotation was computed. [2020-11-29 20:53:39,457 INFO L274 CegarLoopResult]: For program point L148-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,457 INFO L274 CegarLoopResult]: For program point L82-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,457 INFO L274 CegarLoopResult]: For program point L875(lines 875 880) no Hoare annotation was computed. [2020-11-29 20:53:39,457 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-29 20:53:39,457 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-11-29 20:53:39,457 INFO L274 CegarLoopResult]: For program point L678(lines 678 880) no Hoare annotation was computed. [2020-11-29 20:53:39,457 INFO L274 CegarLoopResult]: For program point L546(lines 546 880) no Hoare annotation was computed. [2020-11-29 20:53:39,457 INFO L274 CegarLoopResult]: For program point L811(lines 811 880) no Hoare annotation was computed. [2020-11-29 20:53:39,457 INFO L274 CegarLoopResult]: For program point L745(lines 745 880) no Hoare annotation was computed. [2020-11-29 20:53:39,457 INFO L274 CegarLoopResult]: For program point L613(lines 613 880) no Hoare annotation was computed. [2020-11-29 20:53:39,457 INFO L274 CegarLoopResult]: For program point L151-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,457 INFO L274 CegarLoopResult]: For program point L85-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,457 INFO L274 CegarLoopResult]: For program point L482(lines 482 880) no Hoare annotation was computed. [2020-11-29 20:53:39,457 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 20:53:39,458 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-11-29 20:53:39,458 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-11-29 20:53:39,458 INFO L274 CegarLoopResult]: For program point L351(lines 351 880) no Hoare annotation was computed. [2020-11-29 20:53:39,458 INFO L274 CegarLoopResult]: For program point L285(lines 285 880) no Hoare annotation was computed. [2020-11-29 20:53:39,458 INFO L274 CegarLoopResult]: For program point L418(lines 418 880) no Hoare annotation was computed. [2020-11-29 20:53:39,458 INFO L274 CegarLoopResult]: For program point L154-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,458 INFO L274 CegarLoopResult]: For program point L88-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,458 INFO L270 CegarLoopResult]: At program point L881(lines 30 882) the Hoare annotation is: (let ((.cse0 (= ~a24~0 1)) (.cse1 (<= ~a15~0 8))) (or (and .cse0 .cse1 (<= ~a21~0 9)) (and (<= 7 ~a15~0) .cse0 (<= 10 ~a21~0)) (and (< 0 (+ ~a12~0 43)) .cse0) (and (<= 8 ~a21~0) .cse0 (<= ~a21~0 8)) (and (<= (+ ~a12~0 49) 0) .cse1 (<= ~a21~0 6)))) [2020-11-29 20:53:39,458 INFO L274 CegarLoopResult]: For program point L551(lines 551 880) no Hoare annotation was computed. [2020-11-29 20:53:39,458 INFO L274 CegarLoopResult]: For program point L221(lines 221 880) no Hoare annotation was computed. [2020-11-29 20:53:39,458 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-11-29 20:53:39,459 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-11-29 20:53:39,459 INFO L274 CegarLoopResult]: For program point L684(lines 684 880) no Hoare annotation was computed. [2020-11-29 20:53:39,459 INFO L274 CegarLoopResult]: For program point L817(lines 817 880) no Hoare annotation was computed. [2020-11-29 20:53:39,459 INFO L274 CegarLoopResult]: For program point L751(lines 751 880) no Hoare annotation was computed. [2020-11-29 20:53:39,459 INFO L274 CegarLoopResult]: For program point L619(lines 619 880) no Hoare annotation was computed. [2020-11-29 20:53:39,459 INFO L274 CegarLoopResult]: For program point L157-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,459 INFO L274 CegarLoopResult]: For program point L91-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,459 INFO L277 CegarLoopResult]: At program point L884(lines 884 900) the Hoare annotation is: true [2020-11-29 20:53:39,460 INFO L274 CegarLoopResult]: For program point L488(lines 488 880) no Hoare annotation was computed. [2020-11-29 20:53:39,460 INFO L274 CegarLoopResult]: For program point L290(lines 290 880) no Hoare annotation was computed. [2020-11-29 20:53:39,460 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-11-29 20:53:39,462 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-11-29 20:53:39,462 INFO L274 CegarLoopResult]: For program point L687(lines 687 880) no Hoare annotation was computed. [2020-11-29 20:53:39,463 INFO L274 CegarLoopResult]: For program point L357(lines 357 880) no Hoare annotation was computed. [2020-11-29 20:53:39,463 INFO L274 CegarLoopResult]: For program point L424(lines 424 880) no Hoare annotation was computed. [2020-11-29 20:53:39,463 INFO L274 CegarLoopResult]: For program point L160-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,463 INFO L274 CegarLoopResult]: For program point L94-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,463 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 20:53:39,463 INFO L274 CegarLoopResult]: For program point L557(lines 557 880) no Hoare annotation was computed. [2020-11-29 20:53:39,463 INFO L274 CegarLoopResult]: For program point L227(lines 227 880) no Hoare annotation was computed. [2020-11-29 20:53:39,463 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-11-29 20:53:39,464 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-11-29 20:53:39,464 INFO L274 CegarLoopResult]: For program point L757(lines 757 880) no Hoare annotation was computed. [2020-11-29 20:53:39,464 INFO L274 CegarLoopResult]: For program point L625(lines 625 880) no Hoare annotation was computed. [2020-11-29 20:53:39,464 INFO L274 CegarLoopResult]: For program point L163-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,464 INFO L274 CegarLoopResult]: For program point L97-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,464 INFO L274 CegarLoopResult]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-11-29 20:53:39,465 INFO L274 CegarLoopResult]: For program point L31-2(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,465 INFO L274 CegarLoopResult]: For program point L824(lines 824 880) no Hoare annotation was computed. [2020-11-29 20:53:39,466 INFO L270 CegarLoopResult]: At program point L890-2(lines 890 899) the Hoare annotation is: (let ((.cse0 (= ~a24~0 1)) (.cse1 (<= ~a15~0 8))) (or (and .cse0 .cse1 (<= ~a21~0 9)) (and (<= 7 ~a15~0) .cse0 (<= 10 ~a21~0)) (and (< 0 (+ ~a12~0 43)) .cse0) (and (<= 8 ~a21~0) .cse0 (<= ~a21~0 8)) (and (<= (+ ~a12~0 49) 0) .cse1 (<= ~a21~0 6)))) [2020-11-29 20:53:39,466 INFO L274 CegarLoopResult]: For program point L494(lines 494 880) no Hoare annotation was computed. [2020-11-29 20:53:39,466 INFO L274 CegarLoopResult]: For program point L296(lines 296 880) no Hoare annotation was computed. [2020-11-29 20:53:39,466 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-11-29 20:53:39,466 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-11-29 20:53:39,466 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-11-29 20:53:39,466 INFO L274 CegarLoopResult]: For program point L693(lines 693 880) no Hoare annotation was computed. [2020-11-29 20:53:39,466 INFO L274 CegarLoopResult]: For program point L363(lines 363 880) no Hoare annotation was computed. [2020-11-29 20:53:39,466 INFO L274 CegarLoopResult]: For program point L562(lines 562 880) no Hoare annotation was computed. [2020-11-29 20:53:39,466 INFO L274 CegarLoopResult]: For program point L430(lines 430 880) no Hoare annotation was computed. [2020-11-29 20:53:39,466 INFO L274 CegarLoopResult]: For program point L166-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,466 INFO L274 CegarLoopResult]: For program point L100-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,467 INFO L274 CegarLoopResult]: For program point L34-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 20:53:39,467 INFO L274 CegarLoopResult]: For program point L233(lines 233 880) no Hoare annotation was computed. [2020-11-29 20:53:39,467 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-11-29 20:53:39,467 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-11-29 20:53:39,467 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-11-29 20:53:39,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 08:53:39 BoogieIcfgContainer [2020-11-29 20:53:39,484 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 20:53:39,484 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 20:53:39,484 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 20:53:39,484 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 20:53:39,485 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:53:15" (3/4) ... [2020-11-29 20:53:39,488 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 20:53:39,511 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 20:53:39,513 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 20:53:39,515 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 20:53:39,516 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 20:53:39,654 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b2f2ca44-e8e5-40d8-8786-b6796d6a3c6a/bin/uautomizer/witness.graphml [2020-11-29 20:53:39,654 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 20:53:39,655 INFO L168 Benchmark]: Toolchain (without parser) took 26718.71 ms. Allocated memory was 92.3 MB in the beginning and 1.0 GB in the end (delta: 952.1 MB). Free memory was 70.4 MB in the beginning and 471.8 MB in the end (delta: -401.4 MB). Peak memory consumption was 550.7 MB. Max. memory is 16.1 GB. [2020-11-29 20:53:39,655 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 92.3 MB. Free memory is still 54.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:53:39,656 INFO L168 Benchmark]: CACSL2BoogieTranslator took 828.62 ms. Allocated memory is still 92.3 MB. Free memory was 70.4 MB in the beginning and 47.9 MB in the end (delta: 22.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:53:39,656 INFO L168 Benchmark]: Boogie Procedure Inliner took 149.32 ms. Allocated memory was 92.3 MB in the beginning and 115.3 MB in the end (delta: 23.1 MB). Free memory was 47.9 MB in the beginning and 88.9 MB in the end (delta: -41.0 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. [2020-11-29 20:53:39,656 INFO L168 Benchmark]: Boogie Preprocessor took 142.66 ms. Allocated memory is still 115.3 MB. Free memory was 88.9 MB in the beginning and 82.6 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 20:53:39,657 INFO L168 Benchmark]: RCFGBuilder took 1597.97 ms. Allocated memory is still 115.3 MB. Free memory was 82.6 MB in the beginning and 80.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 47.2 MB. Max. memory is 16.1 GB. [2020-11-29 20:53:39,657 INFO L168 Benchmark]: TraceAbstraction took 23823.50 ms. Allocated memory was 115.3 MB in the beginning and 1.0 GB in the end (delta: 929.0 MB). Free memory was 79.7 MB in the beginning and 490.7 MB in the end (delta: -411.0 MB). Peak memory consumption was 516.8 MB. Max. memory is 16.1 GB. [2020-11-29 20:53:39,658 INFO L168 Benchmark]: Witness Printer took 170.04 ms. Allocated memory is still 1.0 GB. Free memory was 490.7 MB in the beginning and 471.8 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-11-29 20:53:39,660 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 92.3 MB. Free memory is still 54.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 828.62 ms. Allocated memory is still 92.3 MB. Free memory was 70.4 MB in the beginning and 47.9 MB in the end (delta: 22.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 149.32 ms. Allocated memory was 92.3 MB in the beginning and 115.3 MB in the end (delta: 23.1 MB). Free memory was 47.9 MB in the beginning and 88.9 MB in the end (delta: -41.0 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 142.66 ms. Allocated memory is still 115.3 MB. Free memory was 88.9 MB in the beginning and 82.6 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1597.97 ms. Allocated memory is still 115.3 MB. Free memory was 82.6 MB in the beginning and 80.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 47.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 23823.50 ms. Allocated memory was 115.3 MB in the beginning and 1.0 GB in the end (delta: 929.0 MB). Free memory was 79.7 MB in the beginning and 490.7 MB in the end (delta: -411.0 MB). Peak memory consumption was 516.8 MB. Max. memory is 16.1 GB. * Witness Printer took 170.04 ms. Allocated memory is still 1.0 GB. Free memory was 490.7 MB in the beginning and 471.8 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (((((a24 == 1 && a15 <= 8) && a21 <= 9) || ((7 <= a15 && a24 == 1) && 10 <= a21)) || (0 < a12 + 43 && a24 == 1)) || ((8 <= a21 && a24 == 1) && a21 <= 8)) || ((a12 + 49 <= 0 && a15 <= 8) && a21 <= 6) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((a24 == 1 && a15 <= 8) && a21 <= 9) || ((7 <= a15 && a24 == 1) && 10 <= a21)) || (0 < a12 + 43 && a24 == 1)) || ((8 <= a21 && a24 == 1) && a21 <= 8)) || ((a12 + 49 <= 0 && a15 <= 8) && a21 <= 6) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 246 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 23.0s, OverallIterations: 14, TraceHistogramMax: 7, AutomataDifference: 13.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1918 SDtfs, 1976 SDslu, 79 SDs, 0 SdLazy, 7243 SolverSat, 977 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2272 GetRequests, 2248 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3920occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 14 MinimizatonAttempts, 3210 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 67 NumberOfFragments, 105 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2032 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 418 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 7663 NumberOfCodeBlocks, 7663 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 7646 ConstructedInterpolants, 0 QuantifiedInterpolants, 8372549 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2824 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 17 InterpolantComputations, 14 PerfectInterpolantSequences, 14158/14578 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...