./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label35.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_73e81af3-5692-49ce-ae31-5648b1a8d493/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_73e81af3-5692-49ce-ae31-5648b1a8d493/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_73e81af3-5692-49ce-ae31-5648b1a8d493/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_73e81af3-5692-49ce-ae31-5648b1a8d493/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label35.c -s /tmp/vcloud-vcloud-master/worker/run_dir_73e81af3-5692-49ce-ae31-5648b1a8d493/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_73e81af3-5692-49ce-ae31-5648b1a8d493/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 e03efc96f2a4a450d6a8b193daa3062f59a028d8 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:52:19,505 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:52:19,508 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:52:19,595 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:52:19,608 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:52:19,610 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:52:19,613 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:52:19,616 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:52:19,619 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:52:19,621 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:52:19,624 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:52:19,626 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:52:19,627 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:52:19,629 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:52:19,630 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:52:19,632 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:52:19,634 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:52:19,635 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:52:19,638 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:52:19,641 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:52:19,644 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:52:19,653 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:52:19,655 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:52:19,657 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:52:19,664 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:52:19,668 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:52:19,669 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:52:19,672 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:52:19,673 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:52:19,678 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:52:19,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:52:19,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:52:19,686 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:52:19,688 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:52:19,690 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:52:19,691 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:52:19,692 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:52:19,693 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:52:19,693 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:52:19,694 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:52:19,695 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:52:19,698 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_73e81af3-5692-49ce-ae31-5648b1a8d493/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:52:19,754 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:52:19,755 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:52:19,757 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:52:19,758 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:52:19,758 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:52:19,758 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:52:19,759 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:52:19,759 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:52:19,759 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:52:19,759 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:52:19,761 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:52:19,761 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:52:19,761 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:52:19,762 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:52:19,762 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:52:19,762 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:52:19,763 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:52:19,763 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:52:19,763 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:52:19,763 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:52:19,764 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:52:19,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:52:19,764 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:52:19,765 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:52:19,765 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:52:19,765 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:52:19,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:52:19,766 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:52:19,766 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:52:19,766 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_73e81af3-5692-49ce-ae31-5648b1a8d493/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_73e81af3-5692-49ce-ae31-5648b1a8d493/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e03efc96f2a4a450d6a8b193daa3062f59a028d8 [2020-11-30 00:52:20,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:52:20,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:52:20,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:52:20,242 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:52:20,243 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:52:20,244 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_73e81af3-5692-49ce-ae31-5648b1a8d493/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label35.c [2020-11-30 00:52:20,339 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_73e81af3-5692-49ce-ae31-5648b1a8d493/bin/uautomizer/data/db9f309f4/237d10397cb34bdfbae075ed2f926d5a/FLAG51f0c68b4 [2020-11-30 00:52:21,124 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:52:21,125 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_73e81af3-5692-49ce-ae31-5648b1a8d493/sv-benchmarks/c/eca-rers2012/Problem14_label35.c [2020-11-30 00:52:21,156 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_73e81af3-5692-49ce-ae31-5648b1a8d493/bin/uautomizer/data/db9f309f4/237d10397cb34bdfbae075ed2f926d5a/FLAG51f0c68b4 [2020-11-30 00:52:21,302 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_73e81af3-5692-49ce-ae31-5648b1a8d493/bin/uautomizer/data/db9f309f4/237d10397cb34bdfbae075ed2f926d5a [2020-11-30 00:52:21,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:52:21,309 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:52:21,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:52:21,313 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:52:21,317 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:52:21,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:52:21" (1/1) ... [2020-11-30 00:52:21,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66eb1d13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:21, skipping insertion in model container [2020-11-30 00:52:21,323 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:52:21" (1/1) ... [2020-11-30 00:52:21,332 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:52:21,421 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:52:22,009 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:52:22,032 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:52:22,373 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:52:22,398 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:52:22,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:22 WrapperNode [2020-11-30 00:52:22,401 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:52:22,402 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:52:22,403 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:52:22,403 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:52:22,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:22" (1/1) ... [2020-11-30 00:52:22,450 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:22" (1/1) ... [2020-11-30 00:52:22,565 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:52:22,567 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:52:22,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:52:22,567 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:52:22,578 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:22" (1/1) ... [2020-11-30 00:52:22,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:22" (1/1) ... [2020-11-30 00:52:22,585 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:22" (1/1) ... [2020-11-30 00:52:22,586 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:22" (1/1) ... [2020-11-30 00:52:22,630 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:22" (1/1) ... [2020-11-30 00:52:22,666 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:22" (1/1) ... [2020-11-30 00:52:22,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:22" (1/1) ... [2020-11-30 00:52:22,695 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:52:22,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:52:22,697 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:52:22,697 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:52:22,698 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_73e81af3-5692-49ce-ae31-5648b1a8d493/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 [2020-11-30 00:52:22,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:52:22,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:52:22,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:52:22,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:52:25,347 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:52:25,348 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-30 00:52:25,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:52:25 BoogieIcfgContainer [2020-11-30 00:52:25,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:52:25,355 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:52:25,356 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:52:25,360 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:52:25,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:52:21" (1/3) ... [2020-11-30 00:52:25,362 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@91e767f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:52:25, skipping insertion in model container [2020-11-30 00:52:25,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:22" (2/3) ... [2020-11-30 00:52:25,362 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@91e767f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:52:25, skipping insertion in model container [2020-11-30 00:52:25,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:52:25" (3/3) ... [2020-11-30 00:52:25,364 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label35.c [2020-11-30 00:52:25,379 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:52:25,385 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 00:52:25,401 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 00:52:25,442 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:52:25,442 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:52:25,442 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:52:25,443 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:52:25,443 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:52:25,443 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:52:25,443 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:52:25,444 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:52:25,471 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states. [2020-11-30 00:52:25,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-30 00:52:25,481 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:52:25,482 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] [2020-11-30 00:52:25,483 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:52:25,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:52:25,491 INFO L82 PathProgramCache]: Analyzing trace with hash 626000386, now seen corresponding path program 1 times [2020-11-30 00:52:25,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:52:25,504 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761566016] [2020-11-30 00:52:25,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:52:25,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:52:25,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:52:25,915 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761566016] [2020-11-30 00:52:25,917 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:52:25,917 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:52:25,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762515802] [2020-11-30 00:52:25,926 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:52:25,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:52:25,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:52:25,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:52:25,951 INFO L87 Difference]: Start difference. First operand 246 states. Second operand 3 states. [2020-11-30 00:52:27,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:52:27,806 INFO L93 Difference]: Finished difference Result 686 states and 1217 transitions. [2020-11-30 00:52:27,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:52:27,808 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2020-11-30 00:52:27,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:52:27,827 INFO L225 Difference]: With dead ends: 686 [2020-11-30 00:52:27,827 INFO L226 Difference]: Without dead ends: 360 [2020-11-30 00:52:27,832 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 [2020-11-30 00:52:27,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-11-30 00:52:27,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2020-11-30 00:52:27,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-11-30 00:52:27,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 510 transitions. [2020-11-30 00:52:27,957 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 510 transitions. Word has length 44 [2020-11-30 00:52:27,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:52:27,958 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 510 transitions. [2020-11-30 00:52:27,958 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:52:27,958 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 510 transitions. [2020-11-30 00:52:27,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-11-30 00:52:27,966 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:52:27,967 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:52:27,967 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:52:27,967 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:52:27,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:52:27,968 INFO L82 PathProgramCache]: Analyzing trace with hash 1886923543, now seen corresponding path program 1 times [2020-11-30 00:52:27,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:52:27,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349003110] [2020-11-30 00:52:27,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:52:28,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:52:28,388 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:52:28,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349003110] [2020-11-30 00:52:28,389 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:52:28,389 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:52:28,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645929009] [2020-11-30 00:52:28,394 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:52:28,395 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:52:28,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:52:28,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:52:28,399 INFO L87 Difference]: Start difference. First operand 360 states and 510 transitions. Second operand 4 states. [2020-11-30 00:52:30,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:52:30,319 INFO L93 Difference]: Finished difference Result 1074 states and 1446 transitions. [2020-11-30 00:52:30,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:52:30,321 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 123 [2020-11-30 00:52:30,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:52:30,334 INFO L225 Difference]: With dead ends: 1074 [2020-11-30 00:52:30,334 INFO L226 Difference]: Without dead ends: 716 [2020-11-30 00:52:30,338 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 [2020-11-30 00:52:30,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2020-11-30 00:52:30,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 716. [2020-11-30 00:52:30,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2020-11-30 00:52:30,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 902 transitions. [2020-11-30 00:52:30,423 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 902 transitions. Word has length 123 [2020-11-30 00:52:30,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:52:30,424 INFO L481 AbstractCegarLoop]: Abstraction has 716 states and 902 transitions. [2020-11-30 00:52:30,424 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:52:30,424 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 902 transitions. [2020-11-30 00:52:30,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-11-30 00:52:30,433 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:52:30,434 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:52:30,434 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 00:52:30,435 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:52:30,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:52:30,436 INFO L82 PathProgramCache]: Analyzing trace with hash -554388074, now seen corresponding path program 1 times [2020-11-30 00:52:30,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:52:30,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412826276] [2020-11-30 00:52:30,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:52:30,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:52:30,725 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:52:30,725 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412826276] [2020-11-30 00:52:30,726 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020476777] [2020-11-30 00:52:30,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_73e81af3-5692-49ce-ae31-5648b1a8d493/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 [2020-11-30 00:52:30,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:52:30,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:52:30,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:52:31,095 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-11-30 00:52:31,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 00:52:31,096 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-11-30 00:52:31,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658713411] [2020-11-30 00:52:31,097 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:52:31,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:52:31,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:52:31,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:52:31,099 INFO L87 Difference]: Start difference. First operand 716 states and 902 transitions. Second operand 3 states. [2020-11-30 00:52:32,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:52:32,594 INFO L93 Difference]: Finished difference Result 1252 states and 1612 transitions. [2020-11-30 00:52:32,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:52:32,596 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2020-11-30 00:52:32,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:52:32,610 INFO L225 Difference]: With dead ends: 1252 [2020-11-30 00:52:32,619 INFO L226 Difference]: Without dead ends: 1250 [2020-11-30 00:52:32,620 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:52:32,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2020-11-30 00:52:32,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 894. [2020-11-30 00:52:32,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-11-30 00:52:32,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1194 transitions. [2020-11-30 00:52:32,670 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1194 transitions. Word has length 149 [2020-11-30 00:52:32,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:52:32,674 INFO L481 AbstractCegarLoop]: Abstraction has 894 states and 1194 transitions. [2020-11-30 00:52:32,674 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:52:32,674 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1194 transitions. [2020-11-30 00:52:32,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-11-30 00:52:32,684 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:52:32,684 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-30 00:52:32,896 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-11-30 00:52:32,897 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:52:32,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:52:32,897 INFO L82 PathProgramCache]: Analyzing trace with hash -1703012213, now seen corresponding path program 1 times [2020-11-30 00:52:32,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:52:32,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421536945] [2020-11-30 00:52:32,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:52:32,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:52:33,287 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-30 00:52:33,289 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421536945] [2020-11-30 00:52:33,289 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:52:33,290 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:52:33,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507677920] [2020-11-30 00:52:33,293 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:52:33,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:52:33,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:52:33,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:52:33,297 INFO L87 Difference]: Start difference. First operand 894 states and 1194 transitions. Second operand 4 states. [2020-11-30 00:52:34,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:52:34,870 INFO L93 Difference]: Finished difference Result 1993 states and 2629 transitions. [2020-11-30 00:52:34,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:52:34,871 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 203 [2020-11-30 00:52:34,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:52:34,881 INFO L225 Difference]: With dead ends: 1993 [2020-11-30 00:52:34,882 INFO L226 Difference]: Without dead ends: 1072 [2020-11-30 00:52:34,884 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 [2020-11-30 00:52:34,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2020-11-30 00:52:34,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 1072. [2020-11-30 00:52:34,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1072 states. [2020-11-30 00:52:34,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1264 transitions. [2020-11-30 00:52:34,919 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1264 transitions. Word has length 203 [2020-11-30 00:52:34,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:52:34,920 INFO L481 AbstractCegarLoop]: Abstraction has 1072 states and 1264 transitions. [2020-11-30 00:52:34,921 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:52:34,921 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1264 transitions. [2020-11-30 00:52:34,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-11-30 00:52:34,924 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:52:34,925 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:52:34,925 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 00:52:34,926 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:52:34,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:52:34,928 INFO L82 PathProgramCache]: Analyzing trace with hash -916384219, now seen corresponding path program 1 times [2020-11-30 00:52:34,928 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:52:34,928 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599779237] [2020-11-30 00:52:34,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:52:34,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:52:35,318 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 83 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:52:35,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599779237] [2020-11-30 00:52:35,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [647549175] [2020-11-30 00:52:35,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_73e81af3-5692-49ce-ae31-5648b1a8d493/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 [2020-11-30 00:52:35,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:52:35,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:52:35,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:52:35,613 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-11-30 00:52:35,614 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 00:52:35,614 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2020-11-30 00:52:35,615 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815126320] [2020-11-30 00:52:35,615 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:52:35,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:52:35,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:52:35,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-30 00:52:35,646 INFO L87 Difference]: Start difference. First operand 1072 states and 1264 transitions. Second operand 3 states. [2020-11-30 00:52:36,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:52:36,781 INFO L93 Difference]: Finished difference Result 2320 states and 2779 transitions. [2020-11-30 00:52:36,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:52:36,782 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 215 [2020-11-30 00:52:36,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:52:36,791 INFO L225 Difference]: With dead ends: 2320 [2020-11-30 00:52:36,791 INFO L226 Difference]: Without dead ends: 1250 [2020-11-30 00:52:36,794 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-30 00:52:36,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2020-11-30 00:52:36,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1072. [2020-11-30 00:52:36,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1072 states. [2020-11-30 00:52:36,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1250 transitions. [2020-11-30 00:52:36,830 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1250 transitions. Word has length 215 [2020-11-30 00:52:36,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:52:36,831 INFO L481 AbstractCegarLoop]: Abstraction has 1072 states and 1250 transitions. [2020-11-30 00:52:36,831 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:52:36,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1250 transitions. [2020-11-30 00:52:36,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-11-30 00:52:36,835 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:52:36,836 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:52:37,064 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:52:37,065 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:52:37,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:52:37,065 INFO L82 PathProgramCache]: Analyzing trace with hash -1822557348, now seen corresponding path program 1 times [2020-11-30 00:52:37,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:52:37,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398461832] [2020-11-30 00:52:37,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:52:37,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:52:37,346 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:52:37,347 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398461832] [2020-11-30 00:52:37,347 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:52:37,348 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:52:37,348 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861258996] [2020-11-30 00:52:37,349 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:52:37,349 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:52:37,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:52:37,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:52:37,350 INFO L87 Difference]: Start difference. First operand 1072 states and 1250 transitions. Second operand 3 states. [2020-11-30 00:52:38,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:52:38,514 INFO L93 Difference]: Finished difference Result 2854 states and 3362 transitions. [2020-11-30 00:52:38,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:52:38,517 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 218 [2020-11-30 00:52:38,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:52:38,528 INFO L225 Difference]: With dead ends: 2854 [2020-11-30 00:52:38,528 INFO L226 Difference]: Without dead ends: 1784 [2020-11-30 00:52:38,530 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 [2020-11-30 00:52:38,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1784 states. [2020-11-30 00:52:38,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1784 to 1784. [2020-11-30 00:52:38,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1784 states. [2020-11-30 00:52:38,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1784 states and 2013 transitions. [2020-11-30 00:52:38,587 INFO L78 Accepts]: Start accepts. Automaton has 1784 states and 2013 transitions. Word has length 218 [2020-11-30 00:52:38,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:52:38,591 INFO L481 AbstractCegarLoop]: Abstraction has 1784 states and 2013 transitions. [2020-11-30 00:52:38,591 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:52:38,592 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 2013 transitions. [2020-11-30 00:52:38,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2020-11-30 00:52:38,599 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:52:38,599 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-30 00:52:38,600 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-30 00:52:38,600 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:52:38,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:52:38,601 INFO L82 PathProgramCache]: Analyzing trace with hash -2081929129, now seen corresponding path program 1 times [2020-11-30 00:52:38,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:52:38,602 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635505700] [2020-11-30 00:52:38,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:52:38,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:52:39,180 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2020-11-30 00:52:39,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635505700] [2020-11-30 00:52:39,182 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:52:39,182 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:52:39,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021026218] [2020-11-30 00:52:39,184 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:52:39,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:52:39,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:52:39,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:52:39,186 INFO L87 Difference]: Start difference. First operand 1784 states and 2013 transitions. Second operand 4 states. [2020-11-30 00:52:40,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:52:40,573 INFO L93 Difference]: Finished difference Result 3624 states and 4105 transitions. [2020-11-30 00:52:40,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:52:40,574 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 335 [2020-11-30 00:52:40,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:52:40,588 INFO L225 Difference]: With dead ends: 3624 [2020-11-30 00:52:40,588 INFO L226 Difference]: Without dead ends: 1962 [2020-11-30 00:52:40,591 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 [2020-11-30 00:52:40,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2020-11-30 00:52:40,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1784. [2020-11-30 00:52:40,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1784 states. [2020-11-30 00:52:40,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1784 states and 1934 transitions. [2020-11-30 00:52:40,649 INFO L78 Accepts]: Start accepts. Automaton has 1784 states and 1934 transitions. Word has length 335 [2020-11-30 00:52:40,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:52:40,650 INFO L481 AbstractCegarLoop]: Abstraction has 1784 states and 1934 transitions. [2020-11-30 00:52:40,650 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:52:40,650 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 1934 transitions. [2020-11-30 00:52:40,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2020-11-30 00:52:40,661 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:52:40,662 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2020-11-30 00:52:40,662 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-30 00:52:40,663 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:52:40,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:52:40,664 INFO L82 PathProgramCache]: Analyzing trace with hash -1086763460, now seen corresponding path program 1 times [2020-11-30 00:52:40,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:52:40,664 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900033534] [2020-11-30 00:52:40,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:52:40,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:52:41,252 INFO L134 CoverageAnalysis]: Checked inductivity of 687 backedges. 373 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-11-30 00:52:41,253 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900033534] [2020-11-30 00:52:41,253 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:52:41,253 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:52:41,254 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796679387] [2020-11-30 00:52:41,255 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:52:41,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:52:41,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:52:41,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:52:41,256 INFO L87 Difference]: Start difference. First operand 1784 states and 1934 transitions. Second operand 3 states. [2020-11-30 00:52:42,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:52:42,370 INFO L93 Difference]: Finished difference Result 4278 states and 4675 transitions. [2020-11-30 00:52:42,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:52:42,372 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 430 [2020-11-30 00:52:42,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:52:42,389 INFO L225 Difference]: With dead ends: 4278 [2020-11-30 00:52:42,389 INFO L226 Difference]: Without dead ends: 2674 [2020-11-30 00:52:42,398 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 [2020-11-30 00:52:42,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2020-11-30 00:52:42,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2140. [2020-11-30 00:52:42,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2020-11-30 00:52:42,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2293 transitions. [2020-11-30 00:52:42,466 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2293 transitions. Word has length 430 [2020-11-30 00:52:42,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:52:42,468 INFO L481 AbstractCegarLoop]: Abstraction has 2140 states and 2293 transitions. [2020-11-30 00:52:42,468 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:52:42,468 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2293 transitions. [2020-11-30 00:52:42,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2020-11-30 00:52:42,480 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:52:42,481 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:52:42,481 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-30 00:52:42,481 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:52:42,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:52:42,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1854428793, now seen corresponding path program 1 times [2020-11-30 00:52:42,483 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:52:42,484 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346408165] [2020-11-30 00:52:42,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:52:42,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:52:42,953 INFO L134 CoverageAnalysis]: Checked inductivity of 687 backedges. 373 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-11-30 00:52:42,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346408165] [2020-11-30 00:52:42,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:52:42,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:52:42,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965983569] [2020-11-30 00:52:42,957 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:52:42,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:52:42,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:52:42,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:52:42,958 INFO L87 Difference]: Start difference. First operand 2140 states and 2293 transitions. Second operand 3 states. [2020-11-30 00:52:44,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:52:44,009 INFO L93 Difference]: Finished difference Result 4634 states and 5045 transitions. [2020-11-30 00:52:44,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:52:44,010 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 437 [2020-11-30 00:52:44,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:52:44,027 INFO L225 Difference]: With dead ends: 4634 [2020-11-30 00:52:44,027 INFO L226 Difference]: Without dead ends: 2674 [2020-11-30 00:52:44,031 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 [2020-11-30 00:52:44,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2020-11-30 00:52:44,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2496. [2020-11-30 00:52:44,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2496 states. [2020-11-30 00:52:44,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 2662 transitions. [2020-11-30 00:52:44,102 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 2662 transitions. Word has length 437 [2020-11-30 00:52:44,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:52:44,103 INFO L481 AbstractCegarLoop]: Abstraction has 2496 states and 2662 transitions. [2020-11-30 00:52:44,103 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:52:44,103 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 2662 transitions. [2020-11-30 00:52:44,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 593 [2020-11-30 00:52:44,110 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:52:44,111 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2020-11-30 00:52:44,111 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-30 00:52:44,111 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:52:44,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:52:44,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1220397136, now seen corresponding path program 1 times [2020-11-30 00:52:44,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:52:44,113 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525923948] [2020-11-30 00:52:44,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:52:44,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:52:44,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1121 backedges. 484 proven. 0 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2020-11-30 00:52:44,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525923948] [2020-11-30 00:52:44,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:52:44,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:52:44,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906007875] [2020-11-30 00:52:44,861 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:52:44,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:52:44,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:52:44,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:52:44,864 INFO L87 Difference]: Start difference. First operand 2496 states and 2662 transitions. Second operand 3 states. [2020-11-30 00:52:45,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:52:45,752 INFO L93 Difference]: Finished difference Result 5524 states and 5973 transitions. [2020-11-30 00:52:45,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:52:45,753 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 592 [2020-11-30 00:52:45,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:52:45,777 INFO L225 Difference]: With dead ends: 5524 [2020-11-30 00:52:45,777 INFO L226 Difference]: Without dead ends: 3208 [2020-11-30 00:52:45,781 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 [2020-11-30 00:52:45,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2020-11-30 00:52:45,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 3030. [2020-11-30 00:52:45,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3030 states. [2020-11-30 00:52:45,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 3030 states and 3228 transitions. [2020-11-30 00:52:45,865 INFO L78 Accepts]: Start accepts. Automaton has 3030 states and 3228 transitions. Word has length 592 [2020-11-30 00:52:45,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:52:45,866 INFO L481 AbstractCegarLoop]: Abstraction has 3030 states and 3228 transitions. [2020-11-30 00:52:45,867 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:52:45,867 INFO L276 IsEmpty]: Start isEmpty. Operand 3030 states and 3228 transitions. [2020-11-30 00:52:45,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 611 [2020-11-30 00:52:45,874 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:52:45,874 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2020-11-30 00:52:45,875 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-30 00:52:45,875 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:52:45,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:52:45,877 INFO L82 PathProgramCache]: Analyzing trace with hash 195729629, now seen corresponding path program 1 times [2020-11-30 00:52:45,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:52:45,878 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693152506] [2020-11-30 00:52:45,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:52:45,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:52:46,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1121 backedges. 765 proven. 0 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2020-11-30 00:52:46,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693152506] [2020-11-30 00:52:46,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:52:46,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:52:46,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765174392] [2020-11-30 00:52:46,783 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:52:46,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:52:46,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:52:46,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:52:46,784 INFO L87 Difference]: Start difference. First operand 3030 states and 3228 transitions. Second operand 3 states. [2020-11-30 00:52:47,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:52:47,686 INFO L93 Difference]: Finished difference Result 6592 states and 7097 transitions. [2020-11-30 00:52:47,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:52:47,686 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 610 [2020-11-30 00:52:47,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:52:47,710 INFO L225 Difference]: With dead ends: 6592 [2020-11-30 00:52:47,710 INFO L226 Difference]: Without dead ends: 3742 [2020-11-30 00:52:47,714 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 [2020-11-30 00:52:47,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2020-11-30 00:52:47,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3386. [2020-11-30 00:52:47,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2020-11-30 00:52:47,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3621 transitions. [2020-11-30 00:52:47,809 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3621 transitions. Word has length 610 [2020-11-30 00:52:47,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:52:47,810 INFO L481 AbstractCegarLoop]: Abstraction has 3386 states and 3621 transitions. [2020-11-30 00:52:47,810 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:52:47,816 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3621 transitions. [2020-11-30 00:52:47,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 634 [2020-11-30 00:52:47,823 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:52:47,824 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2020-11-30 00:52:47,824 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-30 00:52:47,825 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:52:47,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:52:47,826 INFO L82 PathProgramCache]: Analyzing trace with hash -577709181, now seen corresponding path program 1 times [2020-11-30 00:52:47,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:52:47,826 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927923355] [2020-11-30 00:52:47,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:52:47,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:52:48,543 INFO L134 CoverageAnalysis]: Checked inductivity of 1276 backedges. 852 proven. 110 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-11-30 00:52:48,543 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927923355] [2020-11-30 00:52:48,544 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1787658570] [2020-11-30 00:52:48,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_73e81af3-5692-49ce-ae31-5648b1a8d493/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 [2020-11-30 00:52:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:52:48,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 814 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:52:48,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:52:49,187 INFO L134 CoverageAnalysis]: Checked inductivity of 1276 backedges. 209 proven. 0 refuted. 0 times theorem prover too weak. 1067 trivial. 0 not checked. [2020-11-30 00:52:49,188 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 00:52:49,188 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-11-30 00:52:49,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504032942] [2020-11-30 00:52:49,191 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:52:49,192 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:52:49,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:52:49,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:52:49,194 INFO L87 Difference]: Start difference. First operand 3386 states and 3621 transitions. Second operand 3 states. [2020-11-30 00:52:49,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:52:49,948 INFO L93 Difference]: Finished difference Result 7660 states and 8181 transitions. [2020-11-30 00:52:49,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:52:49,964 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 633 [2020-11-30 00:52:49,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:52:49,986 INFO L225 Difference]: With dead ends: 7660 [2020-11-30 00:52:49,986 INFO L226 Difference]: Without dead ends: 3564 [2020-11-30 00:52:49,992 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 636 GetRequests, 633 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:52:49,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3564 states. [2020-11-30 00:52:50,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3564 to 3386. [2020-11-30 00:52:50,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2020-11-30 00:52:50,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3600 transitions. [2020-11-30 00:52:50,092 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3600 transitions. Word has length 633 [2020-11-30 00:52:50,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:52:50,096 INFO L481 AbstractCegarLoop]: Abstraction has 3386 states and 3600 transitions. [2020-11-30 00:52:50,096 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:52:50,096 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3600 transitions. [2020-11-30 00:52:50,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 781 [2020-11-30 00:52:50,112 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:52:50,113 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2020-11-30 00:52:50,340 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-11-30 00:52:50,341 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:52:50,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:52:50,341 INFO L82 PathProgramCache]: Analyzing trace with hash 666541358, now seen corresponding path program 1 times [2020-11-30 00:52:50,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:52:50,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216509178] [2020-11-30 00:52:50,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:52:50,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:52:51,462 INFO L134 CoverageAnalysis]: Checked inductivity of 1775 backedges. 1264 proven. 155 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2020-11-30 00:52:51,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216509178] [2020-11-30 00:52:51,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [647954453] [2020-11-30 00:52:51,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_73e81af3-5692-49ce-ae31-5648b1a8d493/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:52:51,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:52:51,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 986 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:52:51,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:52:52,399 INFO L134 CoverageAnalysis]: Checked inductivity of 1775 backedges. 251 proven. 0 refuted. 0 times theorem prover too weak. 1524 trivial. 0 not checked. [2020-11-30 00:52:52,400 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 00:52:52,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-11-30 00:52:52,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561446793] [2020-11-30 00:52:52,407 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:52:52,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:52:52,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:52:52,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:52:52,408 INFO L87 Difference]: Start difference. First operand 3386 states and 3600 transitions. Second operand 3 states. [2020-11-30 00:52:53,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:52:53,187 INFO L93 Difference]: Finished difference Result 4278 states and 4538 transitions. [2020-11-30 00:52:53,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:52:53,187 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 780 [2020-11-30 00:52:53,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:52:53,207 INFO L225 Difference]: With dead ends: 4278 [2020-11-30 00:52:53,208 INFO L226 Difference]: Without dead ends: 4276 [2020-11-30 00:52:53,210 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 783 GetRequests, 780 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:52:53,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4276 states. [2020-11-30 00:52:53,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4276 to 3386. [2020-11-30 00:52:53,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2020-11-30 00:52:53,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3599 transitions. [2020-11-30 00:52:53,295 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3599 transitions. Word has length 780 [2020-11-30 00:52:53,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:52:53,296 INFO L481 AbstractCegarLoop]: Abstraction has 3386 states and 3599 transitions. [2020-11-30 00:52:53,297 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:52:53,297 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3599 transitions. [2020-11-30 00:52:53,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 812 [2020-11-30 00:52:53,308 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:52:53,309 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 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, 1, 1] [2020-11-30 00:52:53,536 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:52:53,537 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:52:53,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:52:53,537 INFO L82 PathProgramCache]: Analyzing trace with hash 1531095310, now seen corresponding path program 1 times [2020-11-30 00:52:53,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:52:53,538 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468715743] [2020-11-30 00:52:53,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:52:53,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:52:54,758 INFO L134 CoverageAnalysis]: Checked inductivity of 2313 backedges. 1735 proven. 110 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2020-11-30 00:52:54,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468715743] [2020-11-30 00:52:54,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540271711] [2020-11-30 00:52:54,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_73e81af3-5692-49ce-ae31-5648b1a8d493/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:52:55,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:52:55,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 1038 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:52:55,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:52:55,663 INFO L134 CoverageAnalysis]: Checked inductivity of 2313 backedges. 293 proven. 0 refuted. 0 times theorem prover too weak. 2020 trivial. 0 not checked. [2020-11-30 00:52:55,664 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 00:52:55,664 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-11-30 00:52:55,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404248129] [2020-11-30 00:52:55,665 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:52:55,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:52:55,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:52:55,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:52:55,666 INFO L87 Difference]: Start difference. First operand 3386 states and 3599 transitions. Second operand 3 states. [2020-11-30 00:52:56,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:52:56,443 INFO L93 Difference]: Finished difference Result 7302 states and 7812 transitions. [2020-11-30 00:52:56,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:52:56,444 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 811 [2020-11-30 00:52:56,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:52:56,445 INFO L225 Difference]: With dead ends: 7302 [2020-11-30 00:52:56,445 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 00:52:56,453 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 814 GetRequests, 811 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:52:56,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 00:52:56,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 00:52:56,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 00:52:56,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 00:52:56,455 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 811 [2020-11-30 00:52:56,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:52:56,455 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:52:56,455 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:52:56,456 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:52:56,456 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:52:56,680 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-11-30 00:52:56,682 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 00:52:57,053 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 40 [2020-11-30 00:52:57,291 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 40 [2020-11-30 00:52:57,295 INFO L274 CegarLoopResult]: For program point L762(lines 762 880) no Hoare annotation was computed. [2020-11-30 00:52:57,296 INFO L274 CegarLoopResult]: For program point L895(line 895) no Hoare annotation was computed. [2020-11-30 00:52:57,296 INFO L274 CegarLoopResult]: For program point L829(lines 829 880) no Hoare annotation was computed. [2020-11-30 00:52:57,296 INFO L274 CegarLoopResult]: For program point L631(lines 631 880) no Hoare annotation was computed. [2020-11-30 00:52:57,296 INFO L274 CegarLoopResult]: For program point L565(lines 565 880) no Hoare annotation was computed. [2020-11-30 00:52:57,296 INFO L274 CegarLoopResult]: For program point L169-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,296 INFO L274 CegarLoopResult]: For program point L103-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,296 INFO L274 CegarLoopResult]: For program point L37-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,296 INFO L274 CegarLoopResult]: For program point L698(lines 698 880) no Hoare annotation was computed. [2020-11-30 00:52:57,296 INFO L274 CegarLoopResult]: For program point L500(lines 500 880) no Hoare annotation was computed. [2020-11-30 00:52:57,296 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-11-30 00:52:57,296 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-11-30 00:52:57,297 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-11-30 00:52:57,297 INFO L274 CegarLoopResult]: For program point L369(lines 369 880) no Hoare annotation was computed. [2020-11-30 00:52:57,297 INFO L274 CegarLoopResult]: For program point L303(lines 303 880) no Hoare annotation was computed. [2020-11-30 00:52:57,297 INFO L274 CegarLoopResult]: For program point L436(lines 436 880) no Hoare annotation was computed. [2020-11-30 00:52:57,297 INFO L274 CegarLoopResult]: For program point L172-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,297 INFO L274 CegarLoopResult]: For program point L106-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,297 INFO L274 CegarLoopResult]: For program point L40-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,297 INFO L274 CegarLoopResult]: For program point L239(lines 239 880) no Hoare annotation was computed. [2020-11-30 00:52:57,297 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-11-30 00:52:57,297 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-11-30 00:52:57,297 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-11-30 00:52:57,298 INFO L274 CegarLoopResult]: For program point L768(lines 768 880) no Hoare annotation was computed. [2020-11-30 00:52:57,298 INFO L274 CegarLoopResult]: For program point L636(lines 636 880) no Hoare annotation was computed. [2020-11-30 00:52:57,298 INFO L274 CegarLoopResult]: For program point L835(lines 835 880) no Hoare annotation was computed. [2020-11-30 00:52:57,298 INFO L274 CegarLoopResult]: For program point L571(lines 571 880) no Hoare annotation was computed. [2020-11-30 00:52:57,298 INFO L274 CegarLoopResult]: For program point L505(lines 505 880) no Hoare annotation was computed. [2020-11-30 00:52:57,298 INFO L274 CegarLoopResult]: For program point L175-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,298 INFO L274 CegarLoopResult]: For program point L109-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,298 INFO L274 CegarLoopResult]: For program point L43-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,298 INFO L274 CegarLoopResult]: For program point L704(lines 704 880) no Hoare annotation was computed. [2020-11-30 00:52:57,298 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-11-30 00:52:57,298 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-11-30 00:52:57,298 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-11-30 00:52:57,299 INFO L274 CegarLoopResult]: For program point L309(lines 309 880) no Hoare annotation was computed. [2020-11-30 00:52:57,299 INFO L274 CegarLoopResult]: For program point L442(lines 442 880) no Hoare annotation was computed. [2020-11-30 00:52:57,299 INFO L274 CegarLoopResult]: For program point L376(lines 376 880) no Hoare annotation was computed. [2020-11-30 00:52:57,299 INFO L274 CegarLoopResult]: For program point L178-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,299 INFO L274 CegarLoopResult]: For program point L112-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,299 INFO L274 CegarLoopResult]: For program point L46-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,299 INFO L274 CegarLoopResult]: For program point L245(lines 245 880) no Hoare annotation was computed. [2020-11-30 00:52:57,301 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-11-30 00:52:57,301 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-11-30 00:52:57,301 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-11-30 00:52:57,302 INFO L274 CegarLoopResult]: For program point L774(lines 774 880) no Hoare annotation was computed. [2020-11-30 00:52:57,302 INFO L274 CegarLoopResult]: For program point L642(lines 642 880) no Hoare annotation was computed. [2020-11-30 00:52:57,302 INFO L274 CegarLoopResult]: For program point L510(lines 510 880) no Hoare annotation was computed. [2020-11-30 00:52:57,302 INFO L274 CegarLoopResult]: For program point L841(lines 841 880) no Hoare annotation was computed. [2020-11-30 00:52:57,302 INFO L274 CegarLoopResult]: For program point L181-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,302 INFO L274 CegarLoopResult]: For program point L115-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,303 INFO L274 CegarLoopResult]: For program point L49-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,303 INFO L274 CegarLoopResult]: For program point L710(lines 710 880) no Hoare annotation was computed. [2020-11-30 00:52:57,303 INFO L274 CegarLoopResult]: For program point L578(lines 578 880) no Hoare annotation was computed. [2020-11-30 00:52:57,303 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-11-30 00:52:57,303 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-11-30 00:52:57,303 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-11-30 00:52:57,304 INFO L274 CegarLoopResult]: For program point L315(lines 315 880) no Hoare annotation was computed. [2020-11-30 00:52:57,304 INFO L274 CegarLoopResult]: For program point L448(lines 448 880) no Hoare annotation was computed. [2020-11-30 00:52:57,304 INFO L274 CegarLoopResult]: For program point L382(lines 382 880) no Hoare annotation was computed. [2020-11-30 00:52:57,304 INFO L274 CegarLoopResult]: For program point L184-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,304 INFO L274 CegarLoopResult]: For program point L118-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,304 INFO L274 CegarLoopResult]: For program point L52-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,305 INFO L274 CegarLoopResult]: For program point L251(lines 251 880) no Hoare annotation was computed. [2020-11-30 00:52:57,305 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-11-30 00:52:57,305 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-11-30 00:52:57,305 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-11-30 00:52:57,305 INFO L274 CegarLoopResult]: For program point L648(lines 648 880) no Hoare annotation was computed. [2020-11-30 00:52:57,305 INFO L274 CegarLoopResult]: For program point L516(lines 516 880) no Hoare annotation was computed. [2020-11-30 00:52:57,306 INFO L274 CegarLoopResult]: For program point L847(lines 847 880) no Hoare annotation was computed. [2020-11-30 00:52:57,306 INFO L274 CegarLoopResult]: For program point L781(lines 781 880) no Hoare annotation was computed. [2020-11-30 00:52:57,306 INFO L274 CegarLoopResult]: For program point L583(lines 583 880) no Hoare annotation was computed. [2020-11-30 00:52:57,306 INFO L274 CegarLoopResult]: For program point L187-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,306 INFO L274 CegarLoopResult]: For program point L121-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,306 INFO L274 CegarLoopResult]: For program point L55-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,306 INFO L274 CegarLoopResult]: For program point L716(lines 716 880) no Hoare annotation was computed. [2020-11-30 00:52:57,307 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-11-30 00:52:57,307 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-11-30 00:52:57,307 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-11-30 00:52:57,307 INFO L274 CegarLoopResult]: For program point L321(lines 321 880) no Hoare annotation was computed. [2020-11-30 00:52:57,307 INFO L274 CegarLoopResult]: For program point L454(lines 454 880) no Hoare annotation was computed. [2020-11-30 00:52:57,307 INFO L274 CegarLoopResult]: For program point L388(lines 388 880) no Hoare annotation was computed. [2020-11-30 00:52:57,308 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 00:52:57,308 INFO L274 CegarLoopResult]: For program point L190-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,308 INFO L274 CegarLoopResult]: For program point L124-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,308 INFO L274 CegarLoopResult]: For program point L58-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,308 INFO L274 CegarLoopResult]: For program point L257(lines 257 880) no Hoare annotation was computed. [2020-11-30 00:52:57,308 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-11-30 00:52:57,309 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-11-30 00:52:57,309 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-11-30 00:52:57,309 INFO L274 CegarLoopResult]: For program point L852(lines 852 880) no Hoare annotation was computed. [2020-11-30 00:52:57,309 INFO L274 CegarLoopResult]: For program point L654(lines 654 880) no Hoare annotation was computed. [2020-11-30 00:52:57,309 INFO L274 CegarLoopResult]: For program point L522(lines 522 880) no Hoare annotation was computed. [2020-11-30 00:52:57,309 INFO L274 CegarLoopResult]: For program point L787(lines 787 880) no Hoare annotation was computed. [2020-11-30 00:52:57,310 INFO L274 CegarLoopResult]: For program point L589(lines 589 880) no Hoare annotation was computed. [2020-11-30 00:52:57,310 INFO L274 CegarLoopResult]: For program point L193-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,310 INFO L274 CegarLoopResult]: For program point L127-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,310 INFO L274 CegarLoopResult]: For program point L61-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,310 INFO L274 CegarLoopResult]: For program point L722(lines 722 880) no Hoare annotation was computed. [2020-11-30 00:52:57,310 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-11-30 00:52:57,310 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-11-30 00:52:57,311 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-11-30 00:52:57,311 INFO L274 CegarLoopResult]: For program point L459(lines 459 880) no Hoare annotation was computed. [2020-11-30 00:52:57,311 INFO L274 CegarLoopResult]: For program point L327(lines 327 880) no Hoare annotation was computed. [2020-11-30 00:52:57,311 INFO L274 CegarLoopResult]: For program point L394(lines 394 880) no Hoare annotation was computed. [2020-11-30 00:52:57,311 INFO L274 CegarLoopResult]: For program point L262(lines 262 880) no Hoare annotation was computed. [2020-11-30 00:52:57,311 INFO L274 CegarLoopResult]: For program point L196-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,312 INFO L274 CegarLoopResult]: For program point L130-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,312 INFO L274 CegarLoopResult]: For program point L64-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,312 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-11-30 00:52:57,312 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-11-30 00:52:57,312 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-11-30 00:52:57,312 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 00:52:57,313 INFO L274 CegarLoopResult]: For program point L858(lines 858 880) no Hoare annotation was computed. [2020-11-30 00:52:57,313 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-30 00:52:57,313 INFO L274 CegarLoopResult]: For program point L660(lines 660 880) no Hoare annotation was computed. [2020-11-30 00:52:57,313 INFO L274 CegarLoopResult]: For program point L528(lines 528 880) no Hoare annotation was computed. [2020-11-30 00:52:57,314 INFO L274 CegarLoopResult]: For program point L793(lines 793 880) no Hoare annotation was computed. [2020-11-30 00:52:57,314 INFO L274 CegarLoopResult]: For program point L595(lines 595 880) no Hoare annotation was computed. [2020-11-30 00:52:57,314 INFO L274 CegarLoopResult]: For program point L199-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,314 INFO L274 CegarLoopResult]: For program point L133-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,314 INFO L274 CegarLoopResult]: For program point L67-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,314 INFO L274 CegarLoopResult]: For program point L728(lines 728 880) no Hoare annotation was computed. [2020-11-30 00:52:57,315 INFO L274 CegarLoopResult]: For program point L464(lines 464 880) no Hoare annotation was computed. [2020-11-30 00:52:57,315 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-11-30 00:52:57,315 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-11-30 00:52:57,315 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-11-30 00:52:57,315 INFO L274 CegarLoopResult]: For program point L333(lines 333 880) no Hoare annotation was computed. [2020-11-30 00:52:57,315 INFO L274 CegarLoopResult]: For program point L400(lines 400 880) no Hoare annotation was computed. [2020-11-30 00:52:57,316 INFO L274 CegarLoopResult]: For program point L268(lines 268 880) no Hoare annotation was computed. [2020-11-30 00:52:57,316 INFO L274 CegarLoopResult]: For program point L202-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,316 INFO L274 CegarLoopResult]: For program point L136-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,316 INFO L274 CegarLoopResult]: For program point L70-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,316 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-11-30 00:52:57,316 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-11-30 00:52:57,317 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-11-30 00:52:57,317 INFO L274 CegarLoopResult]: For program point L864(lines 864 880) no Hoare annotation was computed. [2020-11-30 00:52:57,317 INFO L274 CegarLoopResult]: For program point L666(lines 666 880) no Hoare annotation was computed. [2020-11-30 00:52:57,317 INFO L274 CegarLoopResult]: For program point L534(lines 534 880) no Hoare annotation was computed. [2020-11-30 00:52:57,317 INFO L274 CegarLoopResult]: For program point L799(lines 799 880) no Hoare annotation was computed. [2020-11-30 00:52:57,317 INFO L274 CegarLoopResult]: For program point L601(lines 601 880) no Hoare annotation was computed. [2020-11-30 00:52:57,318 INFO L274 CegarLoopResult]: For program point L205-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,318 INFO L274 CegarLoopResult]: For program point L139-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,318 INFO L274 CegarLoopResult]: For program point L73-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,318 INFO L274 CegarLoopResult]: For program point L734(lines 734 880) no Hoare annotation was computed. [2020-11-30 00:52:57,318 INFO L274 CegarLoopResult]: For program point L470(lines 470 880) no Hoare annotation was computed. [2020-11-30 00:52:57,318 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-11-30 00:52:57,318 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-11-30 00:52:57,319 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-11-30 00:52:57,319 INFO L274 CegarLoopResult]: For program point L339(lines 339 880) no Hoare annotation was computed. [2020-11-30 00:52:57,319 INFO L274 CegarLoopResult]: For program point L406(lines 406 880) no Hoare annotation was computed. [2020-11-30 00:52:57,319 INFO L274 CegarLoopResult]: For program point L274(lines 274 880) no Hoare annotation was computed. [2020-11-30 00:52:57,319 INFO L274 CegarLoopResult]: For program point L208-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,319 INFO L274 CegarLoopResult]: For program point L142-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,320 INFO L274 CegarLoopResult]: For program point L76-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,320 INFO L274 CegarLoopResult]: For program point L869(lines 869 880) no Hoare annotation was computed. [2020-11-30 00:52:57,320 INFO L274 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-11-30 00:52:57,320 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-11-30 00:52:57,320 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-11-30 00:52:57,320 INFO L274 CegarLoopResult]: For program point L672(lines 672 880) no Hoare annotation was computed. [2020-11-30 00:52:57,321 INFO L274 CegarLoopResult]: For program point L540(lines 540 880) no Hoare annotation was computed. [2020-11-30 00:52:57,321 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-30 00:52:57,321 INFO L274 CegarLoopResult]: For program point L805(lines 805 880) no Hoare annotation was computed. [2020-11-30 00:52:57,321 INFO L274 CegarLoopResult]: For program point L607(lines 607 880) no Hoare annotation was computed. [2020-11-30 00:52:57,321 INFO L274 CegarLoopResult]: For program point L211-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,321 INFO L274 CegarLoopResult]: For program point L145-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,321 INFO L274 CegarLoopResult]: For program point L79-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,322 INFO L274 CegarLoopResult]: For program point L740(lines 740 880) no Hoare annotation was computed. [2020-11-30 00:52:57,322 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-11-30 00:52:57,322 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-11-30 00:52:57,322 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-11-30 00:52:57,322 INFO L274 CegarLoopResult]: For program point L477(lines 477 880) no Hoare annotation was computed. [2020-11-30 00:52:57,322 INFO L274 CegarLoopResult]: For program point L345(lines 345 880) no Hoare annotation was computed. [2020-11-30 00:52:57,323 INFO L274 CegarLoopResult]: For program point L279(lines 279 880) no Hoare annotation was computed. [2020-11-30 00:52:57,323 INFO L274 CegarLoopResult]: For program point L412(lines 412 880) no Hoare annotation was computed. [2020-11-30 00:52:57,323 INFO L274 CegarLoopResult]: For program point L148-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,323 INFO L274 CegarLoopResult]: For program point L82-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,323 INFO L274 CegarLoopResult]: For program point L875(lines 875 880) no Hoare annotation was computed. [2020-11-30 00:52:57,323 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-30 00:52:57,324 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-11-30 00:52:57,324 INFO L274 CegarLoopResult]: For program point L678(lines 678 880) no Hoare annotation was computed. [2020-11-30 00:52:57,324 INFO L274 CegarLoopResult]: For program point L546(lines 546 880) no Hoare annotation was computed. [2020-11-30 00:52:57,324 INFO L274 CegarLoopResult]: For program point L811(lines 811 880) no Hoare annotation was computed. [2020-11-30 00:52:57,324 INFO L274 CegarLoopResult]: For program point L745(lines 745 880) no Hoare annotation was computed. [2020-11-30 00:52:57,324 INFO L274 CegarLoopResult]: For program point L613(lines 613 880) no Hoare annotation was computed. [2020-11-30 00:52:57,325 INFO L274 CegarLoopResult]: For program point L151-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,325 INFO L274 CegarLoopResult]: For program point L85-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,325 INFO L274 CegarLoopResult]: For program point L482(lines 482 880) no Hoare annotation was computed. [2020-11-30 00:52:57,325 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 00:52:57,325 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-11-30 00:52:57,325 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-11-30 00:52:57,326 INFO L274 CegarLoopResult]: For program point L351(lines 351 880) no Hoare annotation was computed. [2020-11-30 00:52:57,326 INFO L274 CegarLoopResult]: For program point L285(lines 285 880) no Hoare annotation was computed. [2020-11-30 00:52:57,326 INFO L274 CegarLoopResult]: For program point L418(lines 418 880) no Hoare annotation was computed. [2020-11-30 00:52:57,326 INFO L274 CegarLoopResult]: For program point L154-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,326 INFO L274 CegarLoopResult]: For program point L88-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,328 INFO L270 CegarLoopResult]: At program point L881(lines 30 882) the Hoare annotation is: (let ((.cse0 (<= ~a15~0 5)) (.cse3 (<= (+ ~a12~0 49) 0)) (.cse2 (<= 7 ~a15~0)) (.cse1 (= ~a24~0 1))) (or (and .cse0 .cse1) (and .cse2 .cse1) (and .cse0 .cse3) (and (<= 9 ~a21~0) .cse1 (<= ~a21~0 9)) (and (< 0 (+ ~a12~0 43)) (<= ~a12~0 11) .cse1) (and .cse3 .cse2 (<= ~a15~0 8) (<= 10 ~a21~0)) (and .cse1 (<= ~a21~0 6)) (and (<= 8 ~a21~0) .cse1 (<= ~a21~0 8)))) [2020-11-30 00:52:57,328 INFO L274 CegarLoopResult]: For program point L551(lines 551 880) no Hoare annotation was computed. [2020-11-30 00:52:57,328 INFO L274 CegarLoopResult]: For program point L221(lines 221 880) no Hoare annotation was computed. [2020-11-30 00:52:57,328 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-11-30 00:52:57,328 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-11-30 00:52:57,329 INFO L274 CegarLoopResult]: For program point L684(lines 684 880) no Hoare annotation was computed. [2020-11-30 00:52:57,329 INFO L274 CegarLoopResult]: For program point L817(lines 817 880) no Hoare annotation was computed. [2020-11-30 00:52:57,329 INFO L274 CegarLoopResult]: For program point L751(lines 751 880) no Hoare annotation was computed. [2020-11-30 00:52:57,329 INFO L274 CegarLoopResult]: For program point L619(lines 619 880) no Hoare annotation was computed. [2020-11-30 00:52:57,329 INFO L274 CegarLoopResult]: For program point L157-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,329 INFO L274 CegarLoopResult]: For program point L91-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,330 INFO L277 CegarLoopResult]: At program point L884(lines 884 900) the Hoare annotation is: true [2020-11-30 00:52:57,330 INFO L274 CegarLoopResult]: For program point L488(lines 488 880) no Hoare annotation was computed. [2020-11-30 00:52:57,330 INFO L274 CegarLoopResult]: For program point L290(lines 290 880) no Hoare annotation was computed. [2020-11-30 00:52:57,330 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-11-30 00:52:57,330 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-11-30 00:52:57,330 INFO L274 CegarLoopResult]: For program point L687(lines 687 880) no Hoare annotation was computed. [2020-11-30 00:52:57,331 INFO L274 CegarLoopResult]: For program point L357(lines 357 880) no Hoare annotation was computed. [2020-11-30 00:52:57,331 INFO L274 CegarLoopResult]: For program point L424(lines 424 880) no Hoare annotation was computed. [2020-11-30 00:52:57,331 INFO L274 CegarLoopResult]: For program point L160-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,331 INFO L274 CegarLoopResult]: For program point L94-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,331 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 00:52:57,331 INFO L274 CegarLoopResult]: For program point L557(lines 557 880) no Hoare annotation was computed. [2020-11-30 00:52:57,332 INFO L274 CegarLoopResult]: For program point L227(lines 227 880) no Hoare annotation was computed. [2020-11-30 00:52:57,332 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-11-30 00:52:57,332 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-11-30 00:52:57,332 INFO L274 CegarLoopResult]: For program point L757(lines 757 880) no Hoare annotation was computed. [2020-11-30 00:52:57,332 INFO L274 CegarLoopResult]: For program point L625(lines 625 880) no Hoare annotation was computed. [2020-11-30 00:52:57,332 INFO L274 CegarLoopResult]: For program point L163-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,333 INFO L274 CegarLoopResult]: For program point L97-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,333 INFO L274 CegarLoopResult]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-11-30 00:52:57,333 INFO L274 CegarLoopResult]: For program point L31-2(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,333 INFO L274 CegarLoopResult]: For program point L824(lines 824 880) no Hoare annotation was computed. [2020-11-30 00:52:57,333 INFO L270 CegarLoopResult]: At program point L890-2(lines 890 899) the Hoare annotation is: (let ((.cse0 (<= ~a15~0 5)) (.cse3 (<= (+ ~a12~0 49) 0)) (.cse2 (<= 7 ~a15~0)) (.cse1 (= ~a24~0 1))) (or (and .cse0 .cse1) (and .cse2 .cse1) (and .cse0 .cse3) (and (<= 9 ~a21~0) .cse1 (<= ~a21~0 9)) (and (< 0 (+ ~a12~0 43)) (<= ~a12~0 11) .cse1) (and .cse3 .cse2 (<= ~a15~0 8) (<= 10 ~a21~0)) (and .cse1 (<= ~a21~0 6)) (and (<= 8 ~a21~0) .cse1 (<= ~a21~0 8)))) [2020-11-30 00:52:57,334 INFO L274 CegarLoopResult]: For program point L494(lines 494 880) no Hoare annotation was computed. [2020-11-30 00:52:57,334 INFO L274 CegarLoopResult]: For program point L296(lines 296 880) no Hoare annotation was computed. [2020-11-30 00:52:57,334 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-11-30 00:52:57,334 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-11-30 00:52:57,334 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-11-30 00:52:57,334 INFO L274 CegarLoopResult]: For program point L693(lines 693 880) no Hoare annotation was computed. [2020-11-30 00:52:57,335 INFO L274 CegarLoopResult]: For program point L363(lines 363 880) no Hoare annotation was computed. [2020-11-30 00:52:57,335 INFO L274 CegarLoopResult]: For program point L562(lines 562 880) no Hoare annotation was computed. [2020-11-30 00:52:57,335 INFO L274 CegarLoopResult]: For program point L430(lines 430 880) no Hoare annotation was computed. [2020-11-30 00:52:57,335 INFO L274 CegarLoopResult]: For program point L166-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,335 INFO L274 CegarLoopResult]: For program point L100-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,335 INFO L274 CegarLoopResult]: For program point L34-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 00:52:57,336 INFO L274 CegarLoopResult]: For program point L233(lines 233 880) no Hoare annotation was computed. [2020-11-30 00:52:57,336 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-11-30 00:52:57,336 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-11-30 00:52:57,337 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-11-30 00:52:57,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:52:57 BoogieIcfgContainer [2020-11-30 00:52:57,385 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:52:57,386 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:52:57,386 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:52:57,386 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:52:57,387 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:52:25" (3/4) ... [2020-11-30 00:52:57,391 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:52:57,431 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-30 00:52:57,434 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-30 00:52:57,436 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:52:57,438 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:52:57,672 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_73e81af3-5692-49ce-ae31-5648b1a8d493/bin/uautomizer/witness.graphml [2020-11-30 00:52:57,672 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:52:57,674 INFO L168 Benchmark]: Toolchain (without parser) took 36364.29 ms. Allocated memory was 111.1 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 76.4 MB in the beginning and 932.3 MB in the end (delta: -855.8 MB). Peak memory consumption was 390.8 MB. Max. memory is 16.1 GB. [2020-11-30 00:52:57,674 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 75.5 MB. Free memory was 48.6 MB in the beginning and 48.6 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:52:57,675 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1088.44 ms. Allocated memory is still 111.1 MB. Free memory was 76.2 MB in the beginning and 67.4 MB in the end (delta: 8.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:52:57,675 INFO L168 Benchmark]: Boogie Procedure Inliner took 163.31 ms. Allocated memory is still 111.1 MB. Free memory was 67.4 MB in the beginning and 58.1 MB in the end (delta: 9.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:52:57,676 INFO L168 Benchmark]: Boogie Preprocessor took 129.27 ms. Allocated memory is still 111.1 MB. Free memory was 58.1 MB in the beginning and 51.2 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:52:57,683 INFO L168 Benchmark]: RCFGBuilder took 2655.82 ms. Allocated memory was 111.1 MB in the beginning and 167.8 MB in the end (delta: 56.6 MB). Free memory was 51.2 MB in the beginning and 108.3 MB in the end (delta: -57.1 MB). Peak memory consumption was 29.0 MB. Max. memory is 16.1 GB. [2020-11-30 00:52:57,684 INFO L168 Benchmark]: TraceAbstraction took 32030.56 ms. Allocated memory was 167.8 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 108.3 MB in the beginning and 952.2 MB in the end (delta: -843.9 MB). Peak memory consumption was 347.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:52:57,684 INFO L168 Benchmark]: Witness Printer took 286.63 ms. Allocated memory is still 1.4 GB. Free memory was 952.2 MB in the beginning and 932.3 MB in the end (delta: 19.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-11-30 00:52:57,688 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 75.5 MB. Free memory was 48.6 MB in the beginning and 48.6 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1088.44 ms. Allocated memory is still 111.1 MB. Free memory was 76.2 MB in the beginning and 67.4 MB in the end (delta: 8.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 163.31 ms. Allocated memory is still 111.1 MB. Free memory was 67.4 MB in the beginning and 58.1 MB in the end (delta: 9.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 129.27 ms. Allocated memory is still 111.1 MB. Free memory was 58.1 MB in the beginning and 51.2 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2655.82 ms. Allocated memory was 111.1 MB in the beginning and 167.8 MB in the end (delta: 56.6 MB). Free memory was 51.2 MB in the beginning and 108.3 MB in the end (delta: -57.1 MB). Peak memory consumption was 29.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 32030.56 ms. Allocated memory was 167.8 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 108.3 MB in the beginning and 952.2 MB in the end (delta: -843.9 MB). Peak memory consumption was 347.3 MB. Max. memory is 16.1 GB. * Witness Printer took 286.63 ms. Allocated memory is still 1.4 GB. Free memory was 952.2 MB in the beginning and 932.3 MB in the end (delta: 19.9 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: (((((((a15 <= 5 && a24 == 1) || (7 <= a15 && a24 == 1)) || (a15 <= 5 && a12 + 49 <= 0)) || ((9 <= a21 && a24 == 1) && a21 <= 9)) || ((0 < a12 + 43 && a12 <= 11) && a24 == 1)) || (((a12 + 49 <= 0 && 7 <= a15) && a15 <= 8) && 10 <= a21)) || (a24 == 1 && a21 <= 6)) || ((8 <= a21 && a24 == 1) && a21 <= 8) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((((a15 <= 5 && a24 == 1) || (7 <= a15 && a24 == 1)) || (a15 <= 5 && a12 + 49 <= 0)) || ((9 <= a21 && a24 == 1) && a21 <= 9)) || ((0 < a12 + 43 && a12 <= 11) && a24 == 1)) || (((a12 + 49 <= 0 && 7 <= a15) && a15 <= 8) && 10 <= a21)) || (a24 == 1 && a21 <= 6)) || ((8 <= a21 && a24 == 1) && a21 <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 246 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 31.2s, OverallIterations: 14, TraceHistogramMax: 8, AutomataDifference: 17.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1919 SDtfs, 1911 SDslu, 77 SDs, 0 SdLazy, 7239 SolverSat, 888 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2629 GetRequests, 2600 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3386occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 14 MinimizatonAttempts, 3026 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 67 NumberOfFragments, 157 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2556 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 322 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 8168 NumberOfCodeBlocks, 8168 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 8149 ConstructedInterpolants, 0 QuantifiedInterpolants, 8863771 SizeOfPredicates, 4 NumberOfNonLiveVariables, 3399 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 19 InterpolantComputations, 14 PerfectInterpolantSequences, 14982/15463 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...