./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label02.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_fa4788b0-2817-4c27-904b-776c414ac5da/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_fa4788b0-2817-4c27-904b-776c414ac5da/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fa4788b0-2817-4c27-904b-776c414ac5da/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fa4788b0-2817-4c27-904b-776c414ac5da/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label02.c -s /tmp/vcloud-vcloud-master/worker/run_dir_fa4788b0-2817-4c27-904b-776c414ac5da/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fa4788b0-2817-4c27-904b-776c414ac5da/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 9935b594a43533a7e14f8ffeb71533db02ea2c41 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 01:13:09,674 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:13:09,676 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:13:09,733 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:13:09,753 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:13:09,755 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:13:09,756 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:13:09,759 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:13:09,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:13:09,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:13:09,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:13:09,765 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:13:09,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:13:09,767 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:13:09,768 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:13:09,769 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:13:09,770 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:13:09,771 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:13:09,773 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:13:09,775 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:13:09,777 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:13:09,778 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:13:09,779 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:13:09,780 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:13:09,784 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:13:09,784 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:13:09,784 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:13:09,785 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:13:09,786 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:13:09,787 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:13:09,787 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:13:09,788 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:13:09,789 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:13:09,790 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:13:09,791 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:13:09,792 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:13:09,792 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:13:09,793 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:13:09,793 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:13:09,794 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:13:09,795 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:13:09,796 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fa4788b0-2817-4c27-904b-776c414ac5da/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 01:13:09,819 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:13:09,820 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:13:09,821 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:13:09,821 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:13:09,822 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:13:09,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:13:09,822 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:13:09,822 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:13:09,823 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:13:09,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:13:09,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:13:09,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:13:09,823 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:13:09,823 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:13:09,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:13:09,824 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:13:09,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:13:09,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:13:09,824 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:13:09,825 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:13:09,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:13:09,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:13:09,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:13:09,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:13:09,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:13:09,826 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:13:09,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:13:09,826 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:13:09,826 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:13:09,827 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_fa4788b0-2817-4c27-904b-776c414ac5da/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_fa4788b0-2817-4c27-904b-776c414ac5da/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9935b594a43533a7e14f8ffeb71533db02ea2c41 [2020-11-30 01:13:10,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:13:10,089 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:13:10,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:13:10,095 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:13:10,096 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:13:10,097 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fa4788b0-2817-4c27-904b-776c414ac5da/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem16_label02.c [2020-11-30 01:13:10,193 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fa4788b0-2817-4c27-904b-776c414ac5da/bin/uautomizer/data/69efd40d0/34fa3df489304a9db5dfa64f9392295c/FLAGa0c5b54d9 [2020-11-30 01:13:10,846 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:13:10,847 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fa4788b0-2817-4c27-904b-776c414ac5da/sv-benchmarks/c/eca-rers2012/Problem16_label02.c [2020-11-30 01:13:10,871 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fa4788b0-2817-4c27-904b-776c414ac5da/bin/uautomizer/data/69efd40d0/34fa3df489304a9db5dfa64f9392295c/FLAGa0c5b54d9 [2020-11-30 01:13:11,003 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fa4788b0-2817-4c27-904b-776c414ac5da/bin/uautomizer/data/69efd40d0/34fa3df489304a9db5dfa64f9392295c [2020-11-30 01:13:11,007 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:13:11,008 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:13:11,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:13:11,013 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:13:11,017 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:13:11,017 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:13:11" (1/1) ... [2020-11-30 01:13:11,024 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@215a8ee5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:11, skipping insertion in model container [2020-11-30 01:13:11,024 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:13:11" (1/1) ... [2020-11-30 01:13:11,031 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:13:11,128 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:13:11,923 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:13:11,930 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:13:12,177 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:13:12,193 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:13:12,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:12 WrapperNode [2020-11-30 01:13:12,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:13:12,195 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:13:12,195 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:13:12,196 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:13:12,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:12" (1/1) ... [2020-11-30 01:13:12,230 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:12" (1/1) ... [2020-11-30 01:13:12,408 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:13:12,410 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:13:12,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:13:12,411 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:13:12,431 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:12" (1/1) ... [2020-11-30 01:13:12,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:12" (1/1) ... [2020-11-30 01:13:12,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:12" (1/1) ... [2020-11-30 01:13:12,452 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:12" (1/1) ... [2020-11-30 01:13:12,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:12" (1/1) ... [2020-11-30 01:13:12,555 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:12" (1/1) ... [2020-11-30 01:13:12,570 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:12" (1/1) ... [2020-11-30 01:13:12,593 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:13:12,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:13:12,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:13:12,595 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:13:12,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa4788b0-2817-4c27-904b-776c414ac5da/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 01:13:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:13:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:13:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:13:12,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:13:15,459 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:13:15,461 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-11-30 01:13:15,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:13:15 BoogieIcfgContainer [2020-11-30 01:13:15,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:13:15,468 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:13:15,469 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:13:15,472 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:13:15,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:13:11" (1/3) ... [2020-11-30 01:13:15,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21afc552 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:13:15, skipping insertion in model container [2020-11-30 01:13:15,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:12" (2/3) ... [2020-11-30 01:13:15,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21afc552 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:13:15, skipping insertion in model container [2020-11-30 01:13:15,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:13:15" (3/3) ... [2020-11-30 01:13:15,476 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label02.c [2020-11-30 01:13:15,486 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:13:15,491 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 01:13:15,502 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 01:13:15,546 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:13:15,546 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 01:13:15,546 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:13:15,546 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:13:15,546 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:13:15,547 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:13:15,547 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:13:15,547 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:13:15,592 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states. [2020-11-30 01:13:15,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-30 01:13:15,602 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:15,603 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:13:15,603 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:15,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:15,609 INFO L82 PathProgramCache]: Analyzing trace with hash 1818267785, now seen corresponding path program 1 times [2020-11-30 01:13:15,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:15,618 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430626761] [2020-11-30 01:13:15,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:15,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:15,966 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 01:13:15,966 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430626761] [2020-11-30 01:13:15,967 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:13:15,967 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:13:15,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714646261] [2020-11-30 01:13:15,972 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 01:13:15,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:15,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 01:13:15,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:13:15,988 INFO L87 Difference]: Start difference. First operand 397 states. Second operand 4 states. [2020-11-30 01:13:20,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:20,590 INFO L93 Difference]: Finished difference Result 1457 states and 2765 transitions. [2020-11-30 01:13:20,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 01:13:20,591 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2020-11-30 01:13:20,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:20,619 INFO L225 Difference]: With dead ends: 1457 [2020-11-30 01:13:20,619 INFO L226 Difference]: Without dead ends: 991 [2020-11-30 01:13:20,632 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 01:13:20,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2020-11-30 01:13:20,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 991. [2020-11-30 01:13:20,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 991 states. [2020-11-30 01:13:20,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1471 transitions. [2020-11-30 01:13:20,744 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1471 transitions. Word has length 61 [2020-11-30 01:13:20,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:13:20,745 INFO L481 AbstractCegarLoop]: Abstraction has 991 states and 1471 transitions. [2020-11-30 01:13:20,745 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 01:13:20,745 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1471 transitions. [2020-11-30 01:13:20,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-11-30 01:13:20,754 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:20,755 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-30 01:13:20,755 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 01:13:20,756 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:20,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:20,758 INFO L82 PathProgramCache]: Analyzing trace with hash 1573850459, now seen corresponding path program 1 times [2020-11-30 01:13:20,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:20,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855330521] [2020-11-30 01:13:20,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:20,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:21,109 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:13:21,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855330521] [2020-11-30 01:13:21,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [135014288] [2020-11-30 01:13:21,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa4788b0-2817-4c27-904b-776c414ac5da/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 01:13:21,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:21,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 01:13:21,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:13:21,297 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:13:21,375 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 01:13:21,384 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 01:13:21,588 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:13:21,589 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 01:13:21,589 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2020-11-30 01:13:21,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222873668] [2020-11-30 01:13:21,593 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 01:13:21,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:21,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 01:13:21,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:13:21,607 INFO L87 Difference]: Start difference. First operand 991 states and 1471 transitions. Second operand 4 states. [2020-11-30 01:13:26,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:26,002 INFO L93 Difference]: Finished difference Result 2967 states and 4853 transitions. [2020-11-30 01:13:26,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 01:13:26,003 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2020-11-30 01:13:26,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:26,017 INFO L225 Difference]: With dead ends: 2967 [2020-11-30 01:13:26,017 INFO L226 Difference]: Without dead ends: 2307 [2020-11-30 01:13:26,020 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 147 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:13:26,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2307 states. [2020-11-30 01:13:26,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2307 to 2307. [2020-11-30 01:13:26,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2307 states. [2020-11-30 01:13:26,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2307 states to 2307 states and 3442 transitions. [2020-11-30 01:13:26,093 INFO L78 Accepts]: Start accepts. Automaton has 2307 states and 3442 transitions. Word has length 148 [2020-11-30 01:13:26,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:13:26,094 INFO L481 AbstractCegarLoop]: Abstraction has 2307 states and 3442 transitions. [2020-11-30 01:13:26,094 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 01:13:26,094 INFO L276 IsEmpty]: Start isEmpty. Operand 2307 states and 3442 transitions. [2020-11-30 01:13:26,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-11-30 01:13:26,105 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:26,105 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:13:26,324 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-11-30 01:13:26,324 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:26,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:26,325 INFO L82 PathProgramCache]: Analyzing trace with hash 185703291, now seen corresponding path program 1 times [2020-11-30 01:13:26,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:26,325 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469942584] [2020-11-30 01:13:26,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:26,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:26,552 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2020-11-30 01:13:26,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469942584] [2020-11-30 01:13:26,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:13:26,554 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:13:26,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287480665] [2020-11-30 01:13:26,555 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:13:26,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:26,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:13:26,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:13:26,557 INFO L87 Difference]: Start difference. First operand 2307 states and 3442 transitions. Second operand 3 states. [2020-11-30 01:13:28,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:28,425 INFO L93 Difference]: Finished difference Result 5270 states and 8020 transitions. [2020-11-30 01:13:28,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:13:28,428 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 234 [2020-11-30 01:13:28,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:28,448 INFO L225 Difference]: With dead ends: 5270 [2020-11-30 01:13:28,448 INFO L226 Difference]: Without dead ends: 3294 [2020-11-30 01:13:28,451 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 01:13:28,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3294 states. [2020-11-30 01:13:28,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3294 to 3294. [2020-11-30 01:13:28,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3294 states. [2020-11-30 01:13:28,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3294 states to 3294 states and 4603 transitions. [2020-11-30 01:13:28,526 INFO L78 Accepts]: Start accepts. Automaton has 3294 states and 4603 transitions. Word has length 234 [2020-11-30 01:13:28,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:13:28,527 INFO L481 AbstractCegarLoop]: Abstraction has 3294 states and 4603 transitions. [2020-11-30 01:13:28,527 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:13:28,527 INFO L276 IsEmpty]: Start isEmpty. Operand 3294 states and 4603 transitions. [2020-11-30 01:13:28,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2020-11-30 01:13:28,532 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:28,533 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:13:28,533 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 01:13:28,533 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:28,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:28,534 INFO L82 PathProgramCache]: Analyzing trace with hash 1123435934, now seen corresponding path program 1 times [2020-11-30 01:13:28,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:28,534 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4640960] [2020-11-30 01:13:28,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:28,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:28,892 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-11-30 01:13:28,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4640960] [2020-11-30 01:13:28,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:13:28,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:13:28,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088824023] [2020-11-30 01:13:28,894 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:13:28,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:28,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:13:28,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:13:28,897 INFO L87 Difference]: Start difference. First operand 3294 states and 4603 transitions. Second operand 3 states. [2020-11-30 01:13:30,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:30,957 INFO L93 Difference]: Finished difference Result 8889 states and 12709 transitions. [2020-11-30 01:13:30,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:13:30,958 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 280 [2020-11-30 01:13:30,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:30,991 INFO L225 Difference]: With dead ends: 8889 [2020-11-30 01:13:30,991 INFO L226 Difference]: Without dead ends: 5926 [2020-11-30 01:13:30,996 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 01:13:31,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5926 states. [2020-11-30 01:13:31,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5926 to 5926. [2020-11-30 01:13:31,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5926 states. [2020-11-30 01:13:31,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5926 states to 5926 states and 7657 transitions. [2020-11-30 01:13:31,117 INFO L78 Accepts]: Start accepts. Automaton has 5926 states and 7657 transitions. Word has length 280 [2020-11-30 01:13:31,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:13:31,118 INFO L481 AbstractCegarLoop]: Abstraction has 5926 states and 7657 transitions. [2020-11-30 01:13:31,118 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:13:31,118 INFO L276 IsEmpty]: Start isEmpty. Operand 5926 states and 7657 transitions. [2020-11-30 01:13:31,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2020-11-30 01:13:31,126 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:31,127 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:13:31,127 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 01:13:31,127 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:31,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:31,131 INFO L82 PathProgramCache]: Analyzing trace with hash -2084616980, now seen corresponding path program 1 times [2020-11-30 01:13:31,131 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:31,131 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920553613] [2020-11-30 01:13:31,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:31,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:31,473 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 258 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-11-30 01:13:31,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920553613] [2020-11-30 01:13:31,474 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:13:31,474 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:13:31,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885228876] [2020-11-30 01:13:31,475 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:13:31,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:31,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:13:31,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:13:31,476 INFO L87 Difference]: Start difference. First operand 5926 states and 7657 transitions. Second operand 3 states. [2020-11-30 01:13:33,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:33,554 INFO L93 Difference]: Finished difference Result 15140 states and 19674 transitions. [2020-11-30 01:13:33,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:13:33,555 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 360 [2020-11-30 01:13:33,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:33,605 INFO L225 Difference]: With dead ends: 15140 [2020-11-30 01:13:33,605 INFO L226 Difference]: Without dead ends: 9545 [2020-11-30 01:13:33,613 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 01:13:33,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9545 states. [2020-11-30 01:13:33,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9545 to 9216. [2020-11-30 01:13:33,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9216 states. [2020-11-30 01:13:33,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9216 states to 9216 states and 10987 transitions. [2020-11-30 01:13:33,836 INFO L78 Accepts]: Start accepts. Automaton has 9216 states and 10987 transitions. Word has length 360 [2020-11-30 01:13:33,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:13:33,837 INFO L481 AbstractCegarLoop]: Abstraction has 9216 states and 10987 transitions. [2020-11-30 01:13:33,837 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:13:33,837 INFO L276 IsEmpty]: Start isEmpty. Operand 9216 states and 10987 transitions. [2020-11-30 01:13:33,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2020-11-30 01:13:33,846 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:33,847 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:13:33,847 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 01:13:33,847 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:33,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:33,848 INFO L82 PathProgramCache]: Analyzing trace with hash 111323175, now seen corresponding path program 1 times [2020-11-30 01:13:33,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:33,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737194614] [2020-11-30 01:13:33,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:33,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:34,692 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 235 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:13:34,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737194614] [2020-11-30 01:13:34,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:13:34,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:13:34,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592691828] [2020-11-30 01:13:34,694 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 01:13:34,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:34,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 01:13:34,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:13:34,695 INFO L87 Difference]: Start difference. First operand 9216 states and 10987 transitions. Second operand 4 states. [2020-11-30 01:13:37,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:37,725 INFO L93 Difference]: Finished difference Result 18430 states and 22014 transitions. [2020-11-30 01:13:37,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 01:13:37,729 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 415 [2020-11-30 01:13:37,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:37,780 INFO L225 Difference]: With dead ends: 18430 [2020-11-30 01:13:37,781 INFO L226 Difference]: Without dead ends: 9545 [2020-11-30 01:13:37,792 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 01:13:37,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9545 states. [2020-11-30 01:13:37,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9545 to 9545. [2020-11-30 01:13:37,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9545 states. [2020-11-30 01:13:37,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9545 states to 9545 states and 11322 transitions. [2020-11-30 01:13:37,983 INFO L78 Accepts]: Start accepts. Automaton has 9545 states and 11322 transitions. Word has length 415 [2020-11-30 01:13:37,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:13:37,984 INFO L481 AbstractCegarLoop]: Abstraction has 9545 states and 11322 transitions. [2020-11-30 01:13:37,984 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 01:13:37,985 INFO L276 IsEmpty]: Start isEmpty. Operand 9545 states and 11322 transitions. [2020-11-30 01:13:37,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2020-11-30 01:13:37,997 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:37,998 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:13:37,998 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-30 01:13:37,998 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:37,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:37,999 INFO L82 PathProgramCache]: Analyzing trace with hash 2025148392, now seen corresponding path program 1 times [2020-11-30 01:13:37,999 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:37,999 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338899932] [2020-11-30 01:13:38,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:38,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:38,685 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 332 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-11-30 01:13:38,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338899932] [2020-11-30 01:13:38,686 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:13:38,686 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-30 01:13:38,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801056648] [2020-11-30 01:13:38,687 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-30 01:13:38,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:38,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-30 01:13:38,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-30 01:13:38,688 INFO L87 Difference]: Start difference. First operand 9545 states and 11322 transitions. Second operand 7 states. [2020-11-30 01:13:41,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:41,769 INFO L93 Difference]: Finished difference Result 17692 states and 21192 transitions. [2020-11-30 01:13:41,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 01:13:41,770 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 464 [2020-11-30 01:13:41,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:41,786 INFO L225 Difference]: With dead ends: 17692 [2020-11-30 01:13:41,786 INFO L226 Difference]: Without dead ends: 8722 [2020-11-30 01:13:41,798 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-30 01:13:41,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8722 states. [2020-11-30 01:13:41,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8722 to 8618. [2020-11-30 01:13:41,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8618 states. [2020-11-30 01:13:42,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8618 states to 8618 states and 9795 transitions. [2020-11-30 01:13:42,000 INFO L78 Accepts]: Start accepts. Automaton has 8618 states and 9795 transitions. Word has length 464 [2020-11-30 01:13:42,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:13:42,001 INFO L481 AbstractCegarLoop]: Abstraction has 8618 states and 9795 transitions. [2020-11-30 01:13:42,001 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-30 01:13:42,001 INFO L276 IsEmpty]: Start isEmpty. Operand 8618 states and 9795 transitions. [2020-11-30 01:13:42,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2020-11-30 01:13:42,017 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:42,018 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:13:42,019 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-30 01:13:42,019 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:42,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:42,020 INFO L82 PathProgramCache]: Analyzing trace with hash -1752041489, now seen corresponding path program 1 times [2020-11-30 01:13:42,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:42,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619410140] [2020-11-30 01:13:42,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:42,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:42,396 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2020-11-30 01:13:42,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619410140] [2020-11-30 01:13:42,397 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:13:42,397 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:13:42,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230490177] [2020-11-30 01:13:42,397 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:13:42,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:42,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:13:42,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:13:42,398 INFO L87 Difference]: Start difference. First operand 8618 states and 9795 transitions. Second operand 3 states. [2020-11-30 01:13:44,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:44,365 INFO L93 Difference]: Finished difference Result 18939 states and 21818 transitions. [2020-11-30 01:13:44,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:13:44,366 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 466 [2020-11-30 01:13:44,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:44,387 INFO L225 Difference]: With dead ends: 18939 [2020-11-30 01:13:44,387 INFO L226 Difference]: Without dead ends: 10921 [2020-11-30 01:13:44,397 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 01:13:44,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10921 states. [2020-11-30 01:13:44,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10921 to 8618. [2020-11-30 01:13:44,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8618 states. [2020-11-30 01:13:44,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8618 states to 8618 states and 9401 transitions. [2020-11-30 01:13:44,590 INFO L78 Accepts]: Start accepts. Automaton has 8618 states and 9401 transitions. Word has length 466 [2020-11-30 01:13:44,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:13:44,591 INFO L481 AbstractCegarLoop]: Abstraction has 8618 states and 9401 transitions. [2020-11-30 01:13:44,591 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:13:44,592 INFO L276 IsEmpty]: Start isEmpty. Operand 8618 states and 9401 transitions. [2020-11-30 01:13:44,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 565 [2020-11-30 01:13:44,600 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:44,601 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:13:44,601 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-30 01:13:44,602 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:44,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:44,603 INFO L82 PathProgramCache]: Analyzing trace with hash -1381525084, now seen corresponding path program 1 times [2020-11-30 01:13:44,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:44,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505183821] [2020-11-30 01:13:44,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:44,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:45,851 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 198 proven. 120 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-11-30 01:13:45,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505183821] [2020-11-30 01:13:45,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1144413705] [2020-11-30 01:13:45,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa4788b0-2817-4c27-904b-776c414ac5da/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 01:13:46,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:46,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 673 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-30 01:13:46,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:13:47,306 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 117 proven. 201 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-11-30 01:13:47,306 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 01:13:47,306 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3] total 7 [2020-11-30 01:13:47,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266237386] [2020-11-30 01:13:47,308 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-30 01:13:47,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:47,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-30 01:13:47,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-11-30 01:13:47,309 INFO L87 Difference]: Start difference. First operand 8618 states and 9401 transitions. Second operand 8 states. [2020-11-30 01:13:50,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:50,394 INFO L93 Difference]: Finished difference Result 16979 states and 18548 transitions. [2020-11-30 01:13:50,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 01:13:50,409 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 564 [2020-11-30 01:13:50,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:50,432 INFO L225 Difference]: With dead ends: 16979 [2020-11-30 01:13:50,432 INFO L226 Difference]: Without dead ends: 9021 [2020-11-30 01:13:50,442 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 570 GetRequests, 562 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-11-30 01:13:50,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9021 states. [2020-11-30 01:13:50,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9021 to 8947. [2020-11-30 01:13:50,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8947 states. [2020-11-30 01:13:50,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8947 states to 8947 states and 9735 transitions. [2020-11-30 01:13:50,575 INFO L78 Accepts]: Start accepts. Automaton has 8947 states and 9735 transitions. Word has length 564 [2020-11-30 01:13:50,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:13:50,576 INFO L481 AbstractCegarLoop]: Abstraction has 8947 states and 9735 transitions. [2020-11-30 01:13:50,577 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-30 01:13:50,577 INFO L276 IsEmpty]: Start isEmpty. Operand 8947 states and 9735 transitions. [2020-11-30 01:13:50,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 573 [2020-11-30 01:13:50,583 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:50,584 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-30 01:13:50,808 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:13:50,808 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:50,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:50,809 INFO L82 PathProgramCache]: Analyzing trace with hash -1524288328, now seen corresponding path program 1 times [2020-11-30 01:13:50,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:50,809 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545543584] [2020-11-30 01:13:50,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:50,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:51,678 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 117 proven. 242 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:13:51,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545543584] [2020-11-30 01:13:51,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1539119539] [2020-11-30 01:13:51,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa4788b0-2817-4c27-904b-776c414ac5da/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 01:13:51,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:51,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 683 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-30 01:13:51,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:13:52,341 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 0 proven. 359 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:13:52,342 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 01:13:52,342 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2020-11-30 01:13:52,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112372870] [2020-11-30 01:13:52,343 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-30 01:13:52,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:52,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-30 01:13:52,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-30 01:13:52,344 INFO L87 Difference]: Start difference. First operand 8947 states and 9735 transitions. Second operand 8 states. [2020-11-30 01:13:57,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:57,171 INFO L93 Difference]: Finished difference Result 22677 states and 24795 transitions. [2020-11-30 01:13:57,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 01:13:57,172 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 572 [2020-11-30 01:13:57,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:57,202 INFO L225 Difference]: With dead ends: 22677 [2020-11-30 01:13:57,202 INFO L226 Difference]: Without dead ends: 14211 [2020-11-30 01:13:57,213 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 575 GetRequests, 569 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-30 01:13:57,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14211 states. [2020-11-30 01:13:57,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14211 to 13224. [2020-11-30 01:13:57,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13224 states. [2020-11-30 01:13:57,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13224 states to 13224 states and 14320 transitions. [2020-11-30 01:13:57,453 INFO L78 Accepts]: Start accepts. Automaton has 13224 states and 14320 transitions. Word has length 572 [2020-11-30 01:13:57,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:13:57,454 INFO L481 AbstractCegarLoop]: Abstraction has 13224 states and 14320 transitions. [2020-11-30 01:13:57,454 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-30 01:13:57,454 INFO L276 IsEmpty]: Start isEmpty. Operand 13224 states and 14320 transitions. [2020-11-30 01:13:57,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 580 [2020-11-30 01:13:57,465 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:57,466 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:13:57,684 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-11-30 01:13:57,684 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:57,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:57,685 INFO L82 PathProgramCache]: Analyzing trace with hash -297174304, now seen corresponding path program 1 times [2020-11-30 01:13:57,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:57,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030060513] [2020-11-30 01:13:57,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:57,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:58,333 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 450 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2020-11-30 01:13:58,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030060513] [2020-11-30 01:13:58,333 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:13:58,333 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:13:58,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493767254] [2020-11-30 01:13:58,334 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:13:58,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:58,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:13:58,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:13:58,335 INFO L87 Difference]: Start difference. First operand 13224 states and 14320 transitions. Second operand 3 states. [2020-11-30 01:13:59,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:59,943 INFO L93 Difference]: Finished difference Result 31052 states and 33877 transitions. [2020-11-30 01:13:59,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:13:59,945 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 579 [2020-11-30 01:13:59,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:59,977 INFO L225 Difference]: With dead ends: 31052 [2020-11-30 01:13:59,977 INFO L226 Difference]: Without dead ends: 18817 [2020-11-30 01:13:59,990 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 01:14:00,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18817 states. [2020-11-30 01:14:00,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18817 to 18488. [2020-11-30 01:14:00,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18488 states. [2020-11-30 01:14:00,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18488 states to 18488 states and 19860 transitions. [2020-11-30 01:14:00,258 INFO L78 Accepts]: Start accepts. Automaton has 18488 states and 19860 transitions. Word has length 579 [2020-11-30 01:14:00,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:14:00,259 INFO L481 AbstractCegarLoop]: Abstraction has 18488 states and 19860 transitions. [2020-11-30 01:14:00,259 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:14:00,260 INFO L276 IsEmpty]: Start isEmpty. Operand 18488 states and 19860 transitions. [2020-11-30 01:14:00,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 667 [2020-11-30 01:14:00,271 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:14:00,273 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:14:00,273 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-30 01:14:00,274 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:14:00,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:14:00,274 INFO L82 PathProgramCache]: Analyzing trace with hash -2118510008, now seen corresponding path program 1 times [2020-11-30 01:14:00,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:14:00,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282649896] [2020-11-30 01:14:00,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:14:00,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:14:00,923 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 739 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2020-11-30 01:14:00,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282649896] [2020-11-30 01:14:00,923 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:14:00,924 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:14:00,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202298026] [2020-11-30 01:14:00,924 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:14:00,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:14:00,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:14:00,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:14:00,925 INFO L87 Difference]: Start difference. First operand 18488 states and 19860 transitions. Second operand 3 states. [2020-11-30 01:14:02,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:14:02,363 INFO L93 Difference]: Finished difference Result 39606 states and 42557 transitions. [2020-11-30 01:14:02,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:14:02,364 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 666 [2020-11-30 01:14:02,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:14:02,396 INFO L225 Difference]: With dead ends: 39606 [2020-11-30 01:14:02,396 INFO L226 Difference]: Without dead ends: 22107 [2020-11-30 01:14:02,407 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 01:14:02,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22107 states. [2020-11-30 01:14:02,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22107 to 21449. [2020-11-30 01:14:02,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21449 states. [2020-11-30 01:14:02,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21449 states to 21449 states and 22765 transitions. [2020-11-30 01:14:02,829 INFO L78 Accepts]: Start accepts. Automaton has 21449 states and 22765 transitions. Word has length 666 [2020-11-30 01:14:02,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:14:02,830 INFO L481 AbstractCegarLoop]: Abstraction has 21449 states and 22765 transitions. [2020-11-30 01:14:02,830 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:14:02,830 INFO L276 IsEmpty]: Start isEmpty. Operand 21449 states and 22765 transitions. [2020-11-30 01:14:02,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 718 [2020-11-30 01:14:02,842 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:14:02,844 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-30 01:14:02,844 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-30 01:14:02,844 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:14:02,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:14:02,845 INFO L82 PathProgramCache]: Analyzing trace with hash 1632235595, now seen corresponding path program 1 times [2020-11-30 01:14:02,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:14:02,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327687056] [2020-11-30 01:14:02,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:14:02,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:14:04,796 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 408 proven. 315 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:14:04,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327687056] [2020-11-30 01:14:04,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1656388157] [2020-11-30 01:14:04,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa4788b0-2817-4c27-904b-776c414ac5da/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 01:14:05,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:14:05,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 850 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 01:14:05,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:14:05,415 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 571 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2020-11-30 01:14:05,415 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 01:14:05,415 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2020-11-30 01:14:05,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453121175] [2020-11-30 01:14:05,416 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:14:05,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:14:05,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:14:05,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-30 01:14:05,418 INFO L87 Difference]: Start difference. First operand 21449 states and 22765 transitions. Second operand 3 states. [2020-11-30 01:14:06,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:14:06,916 INFO L93 Difference]: Finished difference Result 41909 states and 44535 transitions. [2020-11-30 01:14:06,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:14:06,917 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 717 [2020-11-30 01:14:06,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:14:06,944 INFO L225 Difference]: With dead ends: 41909 [2020-11-30 01:14:06,944 INFO L226 Difference]: Without dead ends: 21449 [2020-11-30 01:14:06,957 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 722 GetRequests, 716 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-30 01:14:06,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21449 states. [2020-11-30 01:14:07,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21449 to 21449. [2020-11-30 01:14:07,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21449 states. [2020-11-30 01:14:07,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21449 states to 21449 states and 22708 transitions. [2020-11-30 01:14:07,255 INFO L78 Accepts]: Start accepts. Automaton has 21449 states and 22708 transitions. Word has length 717 [2020-11-30 01:14:07,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:14:07,256 INFO L481 AbstractCegarLoop]: Abstraction has 21449 states and 22708 transitions. [2020-11-30 01:14:07,256 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:14:07,256 INFO L276 IsEmpty]: Start isEmpty. Operand 21449 states and 22708 transitions. [2020-11-30 01:14:07,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 731 [2020-11-30 01:14:07,268 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:14:07,269 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:14:07,492 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:14:07,492 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:14:07,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:14:07,493 INFO L82 PathProgramCache]: Analyzing trace with hash 1483158445, now seen corresponding path program 1 times [2020-11-30 01:14:07,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:14:07,493 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469214812] [2020-11-30 01:14:07,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:14:07,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:14:08,446 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 571 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2020-11-30 01:14:08,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469214812] [2020-11-30 01:14:08,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:14:08,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 01:14:08,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689042943] [2020-11-30 01:14:08,455 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 01:14:08,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:14:08,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 01:14:08,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:14:08,456 INFO L87 Difference]: Start difference. First operand 21449 states and 22708 transitions. Second operand 4 states. [2020-11-30 01:14:11,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:14:11,444 INFO L93 Difference]: Finished difference Result 48938 states and 51802 transitions. [2020-11-30 01:14:11,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 01:14:11,445 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 730 [2020-11-30 01:14:11,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:14:11,471 INFO L225 Difference]: With dead ends: 48938 [2020-11-30 01:14:11,471 INFO L226 Difference]: Without dead ends: 28358 [2020-11-30 01:14:11,484 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:14:11,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28358 states. [2020-11-30 01:14:11,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28358 to 24410. [2020-11-30 01:14:11,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24410 states. [2020-11-30 01:14:11,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24410 states to 24410 states and 25837 transitions. [2020-11-30 01:14:11,854 INFO L78 Accepts]: Start accepts. Automaton has 24410 states and 25837 transitions. Word has length 730 [2020-11-30 01:14:11,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:14:11,855 INFO L481 AbstractCegarLoop]: Abstraction has 24410 states and 25837 transitions. [2020-11-30 01:14:11,855 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 01:14:11,855 INFO L276 IsEmpty]: Start isEmpty. Operand 24410 states and 25837 transitions. [2020-11-30 01:14:11,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 780 [2020-11-30 01:14:11,870 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:14:11,871 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-30 01:14:11,871 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-30 01:14:11,871 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:14:11,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:14:11,872 INFO L82 PathProgramCache]: Analyzing trace with hash 1919615482, now seen corresponding path program 1 times [2020-11-30 01:14:11,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:14:11,873 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166948792] [2020-11-30 01:14:11,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:14:12,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:14:12,758 INFO L134 CoverageAnalysis]: Checked inductivity of 1074 backedges. 555 proven. 0 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2020-11-30 01:14:12,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166948792] [2020-11-30 01:14:12,759 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:14:12,759 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 01:14:12,759 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149007466] [2020-11-30 01:14:12,760 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 01:14:12,760 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:14:12,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 01:14:12,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:14:12,761 INFO L87 Difference]: Start difference. First operand 24410 states and 25837 transitions. Second operand 4 states. [2020-11-30 01:14:14,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:14:14,947 INFO L93 Difference]: Finished difference Result 25519 states and 26974 transitions. [2020-11-30 01:14:14,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 01:14:14,948 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 779 [2020-11-30 01:14:14,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:14:14,974 INFO L225 Difference]: With dead ends: 25519 [2020-11-30 01:14:14,975 INFO L226 Difference]: Without dead ends: 25458 [2020-11-30 01:14:14,980 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:14:15,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25458 states. [2020-11-30 01:14:15,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25458 to 24410. [2020-11-30 01:14:15,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24410 states. [2020-11-30 01:14:15,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24410 states to 24410 states and 25832 transitions. [2020-11-30 01:14:15,233 INFO L78 Accepts]: Start accepts. Automaton has 24410 states and 25832 transitions. Word has length 779 [2020-11-30 01:14:15,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:14:15,234 INFO L481 AbstractCegarLoop]: Abstraction has 24410 states and 25832 transitions. [2020-11-30 01:14:15,234 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 01:14:15,234 INFO L276 IsEmpty]: Start isEmpty. Operand 24410 states and 25832 transitions. [2020-11-30 01:14:15,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 872 [2020-11-30 01:14:15,249 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:14:15,250 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:14:15,250 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-30 01:14:15,250 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:14:15,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:14:15,251 INFO L82 PathProgramCache]: Analyzing trace with hash 2126988768, now seen corresponding path program 1 times [2020-11-30 01:14:15,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:14:15,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297586332] [2020-11-30 01:14:15,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:14:15,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:14:18,055 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 254 proven. 1066 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:14:18,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297586332] [2020-11-30 01:14:18,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [715050757] [2020-11-30 01:14:18,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa4788b0-2817-4c27-904b-776c414ac5da/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 01:14:18,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:14:18,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 1032 conjuncts, 14 conjunts are in the unsatisfiable core [2020-11-30 01:14:18,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:14:18,443 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-11-30 01:14:18,443 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:14:18,456 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 01:14:18,478 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 01:14:18,484 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 01:14:20,366 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 249 proven. 851 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2020-11-30 01:14:20,366 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 01:14:20,366 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2020-11-30 01:14:20,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876742796] [2020-11-30 01:14:20,368 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-30 01:14:20,368 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:14:20,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-30 01:14:20,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2020-11-30 01:14:20,370 INFO L87 Difference]: Start difference. First operand 24410 states and 25832 transitions. Second operand 11 states. [2020-11-30 01:14:38,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:14:38,691 INFO L93 Difference]: Finished difference Result 60542 states and 63943 transitions. [2020-11-30 01:14:38,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-11-30 01:14:38,692 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 871 [2020-11-30 01:14:38,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:14:38,737 INFO L225 Difference]: With dead ends: 60542 [2020-11-30 01:14:38,737 INFO L226 Difference]: Without dead ends: 37001 [2020-11-30 01:14:38,752 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 904 GetRequests, 879 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=189, Invalid=461, Unknown=0, NotChecked=0, Total=650 [2020-11-30 01:14:38,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37001 states. [2020-11-30 01:14:39,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37001 to 29674. [2020-11-30 01:14:39,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29674 states. [2020-11-30 01:14:39,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29674 states to 29674 states and 31137 transitions. [2020-11-30 01:14:39,155 INFO L78 Accepts]: Start accepts. Automaton has 29674 states and 31137 transitions. Word has length 871 [2020-11-30 01:14:39,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:14:39,155 INFO L481 AbstractCegarLoop]: Abstraction has 29674 states and 31137 transitions. [2020-11-30 01:14:39,156 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-30 01:14:39,156 INFO L276 IsEmpty]: Start isEmpty. Operand 29674 states and 31137 transitions. [2020-11-30 01:14:39,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 933 [2020-11-30 01:14:39,170 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:14:39,171 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-30 01:14:39,371 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2020-11-30 01:14:39,372 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:14:39,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:14:39,372 INFO L82 PathProgramCache]: Analyzing trace with hash 1298580479, now seen corresponding path program 1 times [2020-11-30 01:14:39,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:14:39,373 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136924242] [2020-11-30 01:14:39,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:14:39,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:14:41,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1364 backedges. 627 proven. 218 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2020-11-30 01:14:41,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136924242] [2020-11-30 01:14:41,691 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712134973] [2020-11-30 01:14:41,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa4788b0-2817-4c27-904b-776c414ac5da/bin/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:14:41,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:14:41,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 1091 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-30 01:14:41,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:14:42,049 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 1] term [2020-11-30 01:14:42,050 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-30 01:14:42,061 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:14:42,066 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 01:14:42,095 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 01:14:44,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1364 backedges. 786 proven. 59 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2020-11-30 01:14:44,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 01:14:44,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 9 [2020-11-30 01:14:44,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931581226] [2020-11-30 01:14:44,227 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-30 01:14:44,227 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:14:44,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-30 01:14:44,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-11-30 01:14:44,228 INFO L87 Difference]: Start difference. First operand 29674 states and 31137 transitions. Second operand 9 states. [2020-11-30 01:14:53,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:14:53,781 INFO L93 Difference]: Finished difference Result 59626 states and 62573 transitions. [2020-11-30 01:14:53,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-11-30 01:14:53,783 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 932 [2020-11-30 01:14:53,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:14:53,812 INFO L225 Difference]: With dead ends: 59626 [2020-11-30 01:14:53,812 INFO L226 Difference]: Without dead ends: 30882 [2020-11-30 01:14:53,825 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 956 GetRequests, 939 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2020-11-30 01:14:53,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30882 states. [2020-11-30 01:14:54,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30882 to 28029. [2020-11-30 01:14:54,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28029 states. [2020-11-30 01:14:54,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28029 states to 28029 states and 29389 transitions. [2020-11-30 01:14:54,153 INFO L78 Accepts]: Start accepts. Automaton has 28029 states and 29389 transitions. Word has length 932 [2020-11-30 01:14:54,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:14:54,154 INFO L481 AbstractCegarLoop]: Abstraction has 28029 states and 29389 transitions. [2020-11-30 01:14:54,154 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-30 01:14:54,154 INFO L276 IsEmpty]: Start isEmpty. Operand 28029 states and 29389 transitions. [2020-11-30 01:14:54,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1069 [2020-11-30 01:14:54,170 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:14:54,171 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, 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, 6, 6, 6, 6, 6, 6, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:14:54,371 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-11-30 01:14:54,372 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:14:54,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:14:54,373 INFO L82 PathProgramCache]: Analyzing trace with hash -2092626368, now seen corresponding path program 1 times [2020-11-30 01:14:54,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:14:54,373 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960287668] [2020-11-30 01:14:54,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:14:54,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:14:55,614 INFO L134 CoverageAnalysis]: Checked inductivity of 2697 backedges. 1682 proven. 0 refuted. 0 times theorem prover too weak. 1015 trivial. 0 not checked. [2020-11-30 01:14:55,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960287668] [2020-11-30 01:14:55,615 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:14:55,615 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:14:55,615 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246462478] [2020-11-30 01:14:55,616 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:14:55,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:14:55,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:14:55,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:14:55,617 INFO L87 Difference]: Start difference. First operand 28029 states and 29389 transitions. Second operand 3 states. [2020-11-30 01:14:57,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:14:57,393 INFO L93 Difference]: Finished difference Result 57372 states and 60186 transitions. [2020-11-30 01:14:57,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:14:57,395 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1068 [2020-11-30 01:14:57,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:14:57,425 INFO L225 Difference]: With dead ends: 57372 [2020-11-30 01:14:57,425 INFO L226 Difference]: Without dead ends: 30332 [2020-11-30 01:14:57,438 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 01:14:57,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30332 states. [2020-11-30 01:14:57,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30332 to 29674. [2020-11-30 01:14:57,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29674 states. [2020-11-30 01:14:57,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29674 states to 29674 states and 31025 transitions. [2020-11-30 01:14:57,787 INFO L78 Accepts]: Start accepts. Automaton has 29674 states and 31025 transitions. Word has length 1068 [2020-11-30 01:14:57,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:14:57,788 INFO L481 AbstractCegarLoop]: Abstraction has 29674 states and 31025 transitions. [2020-11-30 01:14:57,788 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:14:57,788 INFO L276 IsEmpty]: Start isEmpty. Operand 29674 states and 31025 transitions. [2020-11-30 01:14:57,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1092 [2020-11-30 01:14:57,806 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:14:57,806 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:14:57,806 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-11-30 01:14:57,807 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:14:57,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:14:57,807 INFO L82 PathProgramCache]: Analyzing trace with hash 317924694, now seen corresponding path program 1 times [2020-11-30 01:14:57,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:14:57,807 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375860168] [2020-11-30 01:14:57,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:14:57,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:15:00,238 INFO L134 CoverageAnalysis]: Checked inductivity of 2401 backedges. 806 proven. 840 refuted. 0 times theorem prover too weak. 755 trivial. 0 not checked. [2020-11-30 01:15:00,239 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375860168] [2020-11-30 01:15:00,239 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438767756] [2020-11-30 01:15:00,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa4788b0-2817-4c27-904b-776c414ac5da/bin/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:15:00,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:15:00,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 1299 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 01:15:00,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:15:01,600 INFO L134 CoverageAnalysis]: Checked inductivity of 2401 backedges. 1080 proven. 0 refuted. 0 times theorem prover too weak. 1321 trivial. 0 not checked. [2020-11-30 01:15:01,600 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 01:15:01,601 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-11-30 01:15:01,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291563249] [2020-11-30 01:15:01,601 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:15:01,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:15:01,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:15:01,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:15:01,602 INFO L87 Difference]: Start difference. First operand 29674 states and 31025 transitions. Second operand 3 states. [2020-11-30 01:15:03,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:15:03,301 INFO L93 Difference]: Finished difference Result 58359 states and 61055 transitions. [2020-11-30 01:15:03,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:15:03,303 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1091 [2020-11-30 01:15:03,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:15:03,332 INFO L225 Difference]: With dead ends: 58359 [2020-11-30 01:15:03,332 INFO L226 Difference]: Without dead ends: 29674 [2020-11-30 01:15:03,344 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1095 GetRequests, 1091 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:15:03,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29674 states. [2020-11-30 01:15:03,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29674 to 28358. [2020-11-30 01:15:03,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28358 states. [2020-11-30 01:15:03,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28358 states to 28358 states and 29403 transitions. [2020-11-30 01:15:03,682 INFO L78 Accepts]: Start accepts. Automaton has 28358 states and 29403 transitions. Word has length 1091 [2020-11-30 01:15:03,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:15:03,683 INFO L481 AbstractCegarLoop]: Abstraction has 28358 states and 29403 transitions. [2020-11-30 01:15:03,683 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:15:03,683 INFO L276 IsEmpty]: Start isEmpty. Operand 28358 states and 29403 transitions. [2020-11-30 01:15:03,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1203 [2020-11-30 01:15:03,705 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:15:03,706 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, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 5, 5, 5, 5, 5, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:15:03,908 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:15:03,908 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:15:03,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:15:03,909 INFO L82 PathProgramCache]: Analyzing trace with hash -1316229127, now seen corresponding path program 1 times [2020-11-30 01:15:03,909 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:15:03,909 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020656064] [2020-11-30 01:15:03,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:15:04,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:15:06,378 INFO L134 CoverageAnalysis]: Checked inductivity of 2885 backedges. 1073 proven. 1119 refuted. 0 times theorem prover too weak. 693 trivial. 0 not checked. [2020-11-30 01:15:06,378 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020656064] [2020-11-30 01:15:06,378 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1076997979] [2020-11-30 01:15:06,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa4788b0-2817-4c27-904b-776c414ac5da/bin/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:15:06,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:15:06,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 1435 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 01:15:06,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:15:07,887 INFO L134 CoverageAnalysis]: Checked inductivity of 2885 backedges. 1247 proven. 0 refuted. 0 times theorem prover too weak. 1638 trivial. 0 not checked. [2020-11-30 01:15:07,888 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 01:15:07,888 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-11-30 01:15:07,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143416237] [2020-11-30 01:15:07,889 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:15:07,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:15:07,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:15:07,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-11-30 01:15:07,890 INFO L87 Difference]: Start difference. First operand 28358 states and 29403 transitions. Second operand 3 states. [2020-11-30 01:15:09,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:15:09,637 INFO L93 Difference]: Finished difference Result 55398 states and 57477 transitions. [2020-11-30 01:15:09,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:15:09,638 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1202 [2020-11-30 01:15:09,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:15:09,661 INFO L225 Difference]: With dead ends: 55398 [2020-11-30 01:15:09,661 INFO L226 Difference]: Without dead ends: 28029 [2020-11-30 01:15:09,673 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1208 GetRequests, 1201 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-11-30 01:15:09,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28029 states. [2020-11-30 01:15:09,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28029 to 26713. [2020-11-30 01:15:09,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26713 states. [2020-11-30 01:15:09,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26713 states to 26713 states and 27559 transitions. [2020-11-30 01:15:09,965 INFO L78 Accepts]: Start accepts. Automaton has 26713 states and 27559 transitions. Word has length 1202 [2020-11-30 01:15:09,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:15:09,966 INFO L481 AbstractCegarLoop]: Abstraction has 26713 states and 27559 transitions. [2020-11-30 01:15:09,966 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:15:09,966 INFO L276 IsEmpty]: Start isEmpty. Operand 26713 states and 27559 transitions. [2020-11-30 01:15:09,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1348 [2020-11-30 01:15:09,986 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:15:09,986 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-30 01:15:10,186 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:15:10,187 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:15:10,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:15:10,188 INFO L82 PathProgramCache]: Analyzing trace with hash 267757719, now seen corresponding path program 1 times [2020-11-30 01:15:10,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:15:10,188 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712175698] [2020-11-30 01:15:10,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:15:10,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:15:11,794 INFO L134 CoverageAnalysis]: Checked inductivity of 4008 backedges. 1933 proven. 0 refuted. 0 times theorem prover too weak. 2075 trivial. 0 not checked. [2020-11-30 01:15:11,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712175698] [2020-11-30 01:15:11,794 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:15:11,794 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-30 01:15:11,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095863826] [2020-11-30 01:15:11,795 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-30 01:15:11,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:15:11,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-30 01:15:11,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-30 01:15:11,796 INFO L87 Difference]: Start difference. First operand 26713 states and 27559 transitions. Second operand 7 states. [2020-11-30 01:15:14,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:15:14,428 INFO L93 Difference]: Finished difference Result 52257 states and 53933 transitions. [2020-11-30 01:15:14,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 01:15:14,429 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1347 [2020-11-30 01:15:14,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:15:14,452 INFO L225 Difference]: With dead ends: 52257 [2020-11-30 01:15:14,452 INFO L226 Difference]: Without dead ends: 26055 [2020-11-30 01:15:14,462 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-30 01:15:14,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26055 states. [2020-11-30 01:15:14,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26055 to 23094. [2020-11-30 01:15:14,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23094 states. [2020-11-30 01:15:14,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23094 states to 23094 states and 23720 transitions. [2020-11-30 01:15:14,697 INFO L78 Accepts]: Start accepts. Automaton has 23094 states and 23720 transitions. Word has length 1347 [2020-11-30 01:15:14,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:15:14,698 INFO L481 AbstractCegarLoop]: Abstraction has 23094 states and 23720 transitions. [2020-11-30 01:15:14,698 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-30 01:15:14,698 INFO L276 IsEmpty]: Start isEmpty. Operand 23094 states and 23720 transitions. [2020-11-30 01:15:14,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1362 [2020-11-30 01:15:14,726 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:15:14,727 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, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:15:14,727 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-11-30 01:15:14,727 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:15:14,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:15:14,728 INFO L82 PathProgramCache]: Analyzing trace with hash 1430377234, now seen corresponding path program 1 times [2020-11-30 01:15:14,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:15:14,729 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100460118] [2020-11-30 01:15:14,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:15:14,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:15:16,845 INFO L134 CoverageAnalysis]: Checked inductivity of 3483 backedges. 1438 proven. 0 refuted. 0 times theorem prover too weak. 2045 trivial. 0 not checked. [2020-11-30 01:15:16,846 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100460118] [2020-11-30 01:15:16,846 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:15:16,846 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-30 01:15:16,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47999842] [2020-11-30 01:15:16,847 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 01:15:16,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:15:16,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 01:15:16,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:15:16,849 INFO L87 Difference]: Start difference. First operand 23094 states and 23720 transitions. Second operand 6 states. [2020-11-30 01:15:18,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:15:18,725 INFO L93 Difference]: Finished difference Result 45327 states and 46570 transitions. [2020-11-30 01:15:18,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 01:15:18,728 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1361 [2020-11-30 01:15:18,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:15:18,745 INFO L225 Difference]: With dead ends: 45327 [2020-11-30 01:15:18,745 INFO L226 Difference]: Without dead ends: 22765 [2020-11-30 01:15:18,753 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:15:18,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22765 states. [2020-11-30 01:15:18,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22765 to 22765. [2020-11-30 01:15:18,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22765 states. [2020-11-30 01:15:18,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22765 states to 22765 states and 23363 transitions. [2020-11-30 01:15:18,966 INFO L78 Accepts]: Start accepts. Automaton has 22765 states and 23363 transitions. Word has length 1361 [2020-11-30 01:15:18,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:15:18,967 INFO L481 AbstractCegarLoop]: Abstraction has 22765 states and 23363 transitions. [2020-11-30 01:15:18,967 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 01:15:18,967 INFO L276 IsEmpty]: Start isEmpty. Operand 22765 states and 23363 transitions. [2020-11-30 01:15:18,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1380 [2020-11-30 01:15:18,995 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:15:18,996 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, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:15:18,997 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-11-30 01:15:18,997 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:15:18,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:15:18,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1904849949, now seen corresponding path program 1 times [2020-11-30 01:15:18,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:15:18,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639593158] [2020-11-30 01:15:18,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:15:19,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:15:20,756 INFO L134 CoverageAnalysis]: Checked inductivity of 3479 backedges. 1607 proven. 0 refuted. 0 times theorem prover too weak. 1872 trivial. 0 not checked. [2020-11-30 01:15:20,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639593158] [2020-11-30 01:15:20,756 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:15:20,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:15:20,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730255887] [2020-11-30 01:15:20,757 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:15:20,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:15:20,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:15:20,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:15:20,758 INFO L87 Difference]: Start difference. First operand 22765 states and 23363 transitions. Second operand 3 states. [2020-11-30 01:15:22,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:15:22,564 INFO L93 Difference]: Finished difference Result 46186 states and 47391 transitions. [2020-11-30 01:15:22,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:15:22,566 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1379 [2020-11-30 01:15:22,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:15:22,585 INFO L225 Difference]: With dead ends: 46186 [2020-11-30 01:15:22,586 INFO L226 Difference]: Without dead ends: 22436 [2020-11-30 01:15:22,596 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 01:15:22,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22436 states. [2020-11-30 01:15:22,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22436 to 21778. [2020-11-30 01:15:22,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21778 states. [2020-11-30 01:15:22,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21778 states to 21778 states and 22188 transitions. [2020-11-30 01:15:22,826 INFO L78 Accepts]: Start accepts. Automaton has 21778 states and 22188 transitions. Word has length 1379 [2020-11-30 01:15:22,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:15:22,827 INFO L481 AbstractCegarLoop]: Abstraction has 21778 states and 22188 transitions. [2020-11-30 01:15:22,827 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:15:22,827 INFO L276 IsEmpty]: Start isEmpty. Operand 21778 states and 22188 transitions. [2020-11-30 01:15:22,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1533 [2020-11-30 01:15:22,847 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:15:22,848 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:15:22,849 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-11-30 01:15:22,849 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:15:22,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:15:22,850 INFO L82 PathProgramCache]: Analyzing trace with hash 1906817431, now seen corresponding path program 1 times [2020-11-30 01:15:22,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:15:22,850 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134912657] [2020-11-30 01:15:22,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:15:23,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:15:24,757 INFO L134 CoverageAnalysis]: Checked inductivity of 5156 backedges. 2158 proven. 0 refuted. 0 times theorem prover too weak. 2998 trivial. 0 not checked. [2020-11-30 01:15:24,758 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134912657] [2020-11-30 01:15:24,758 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:15:24,758 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:15:24,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227140086] [2020-11-30 01:15:24,760 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:15:24,760 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:15:24,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:15:24,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:15:24,760 INFO L87 Difference]: Start difference. First operand 21778 states and 22188 transitions. Second operand 3 states. [2020-11-30 01:15:26,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:15:26,528 INFO L93 Difference]: Finished difference Result 45199 states and 46076 transitions. [2020-11-30 01:15:26,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:15:26,529 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1532 [2020-11-30 01:15:26,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:15:26,547 INFO L225 Difference]: With dead ends: 45199 [2020-11-30 01:15:26,547 INFO L226 Difference]: Without dead ends: 22107 [2020-11-30 01:15:26,557 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 01:15:26,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22107 states. [2020-11-30 01:15:26,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22107 to 21120. [2020-11-30 01:15:26,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21120 states. [2020-11-30 01:15:26,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21120 states to 21120 states and 21493 transitions. [2020-11-30 01:15:26,787 INFO L78 Accepts]: Start accepts. Automaton has 21120 states and 21493 transitions. Word has length 1532 [2020-11-30 01:15:26,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:15:26,788 INFO L481 AbstractCegarLoop]: Abstraction has 21120 states and 21493 transitions. [2020-11-30 01:15:26,788 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:15:26,789 INFO L276 IsEmpty]: Start isEmpty. Operand 21120 states and 21493 transitions. [2020-11-30 01:15:26,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1941 [2020-11-30 01:15:26,815 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:15:26,816 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2020-11-30 01:15:26,817 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-11-30 01:15:26,817 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:15:26,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:15:26,818 INFO L82 PathProgramCache]: Analyzing trace with hash 455634238, now seen corresponding path program 1 times [2020-11-30 01:15:26,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:15:26,818 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861007846] [2020-11-30 01:15:26,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:15:26,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:15:30,201 INFO L134 CoverageAnalysis]: Checked inductivity of 8327 backedges. 2138 proven. 0 refuted. 0 times theorem prover too weak. 6189 trivial. 0 not checked. [2020-11-30 01:15:30,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861007846] [2020-11-30 01:15:30,202 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:15:30,202 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-30 01:15:30,202 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868245903] [2020-11-30 01:15:30,203 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 01:15:30,203 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:15:30,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 01:15:30,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:15:30,204 INFO L87 Difference]: Start difference. First operand 21120 states and 21493 transitions. Second operand 6 states. [2020-11-30 01:15:31,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:15:31,748 INFO L93 Difference]: Finished difference Result 40431 states and 41156 transitions. [2020-11-30 01:15:31,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 01:15:31,749 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1940 [2020-11-30 01:15:31,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:15:31,766 INFO L225 Difference]: With dead ends: 40431 [2020-11-30 01:15:31,766 INFO L226 Difference]: Without dead ends: 20133 [2020-11-30 01:15:31,775 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:15:31,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20133 states. [2020-11-30 01:15:31,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20133 to 20133. [2020-11-30 01:15:31,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20133 states. [2020-11-30 01:15:31,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20133 states to 20133 states and 20484 transitions. [2020-11-30 01:15:31,993 INFO L78 Accepts]: Start accepts. Automaton has 20133 states and 20484 transitions. Word has length 1940 [2020-11-30 01:15:31,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:15:31,995 INFO L481 AbstractCegarLoop]: Abstraction has 20133 states and 20484 transitions. [2020-11-30 01:15:31,995 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 01:15:31,995 INFO L276 IsEmpty]: Start isEmpty. Operand 20133 states and 20484 transitions. [2020-11-30 01:15:32,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2046 [2020-11-30 01:15:32,025 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:15:32,025 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-30 01:15:32,026 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-11-30 01:15:32,026 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:15:32,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:15:32,026 INFO L82 PathProgramCache]: Analyzing trace with hash -1701592309, now seen corresponding path program 1 times [2020-11-30 01:15:32,026 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:15:32,026 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079143673] [2020-11-30 01:15:32,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:15:32,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:15:35,043 INFO L134 CoverageAnalysis]: Checked inductivity of 7629 backedges. 3103 proven. 0 refuted. 0 times theorem prover too weak. 4526 trivial. 0 not checked. [2020-11-30 01:15:35,043 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079143673] [2020-11-30 01:15:35,043 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:15:35,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:15:35,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133727605] [2020-11-30 01:15:35,045 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:15:35,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:15:35,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:15:35,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:15:35,046 INFO L87 Difference]: Start difference. First operand 20133 states and 20484 transitions. Second operand 3 states. [2020-11-30 01:15:36,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:15:36,782 INFO L93 Difference]: Finished difference Result 39277 states and 39972 transitions. [2020-11-30 01:15:36,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:15:36,784 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2045 [2020-11-30 01:15:36,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:15:36,804 INFO L225 Difference]: With dead ends: 39277 [2020-11-30 01:15:36,804 INFO L226 Difference]: Without dead ends: 20133 [2020-11-30 01:15:36,813 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 01:15:36,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20133 states. [2020-11-30 01:15:36,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20133 to 18817. [2020-11-30 01:15:36,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18817 states. [2020-11-30 01:15:37,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18817 states to 18817 states and 19103 transitions. [2020-11-30 01:15:37,018 INFO L78 Accepts]: Start accepts. Automaton has 18817 states and 19103 transitions. Word has length 2045 [2020-11-30 01:15:37,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:15:37,020 INFO L481 AbstractCegarLoop]: Abstraction has 18817 states and 19103 transitions. [2020-11-30 01:15:37,020 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:15:37,020 INFO L276 IsEmpty]: Start isEmpty. Operand 18817 states and 19103 transitions. [2020-11-30 01:15:37,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2126 [2020-11-30 01:15:37,051 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:15:37,053 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:15:37,053 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-11-30 01:15:37,053 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:15:37,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:15:37,054 INFO L82 PathProgramCache]: Analyzing trace with hash 2144256045, now seen corresponding path program 1 times [2020-11-30 01:15:37,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:15:37,055 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078062768] [2020-11-30 01:15:37,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:15:37,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:15:40,630 INFO L134 CoverageAnalysis]: Checked inductivity of 8869 backedges. 5349 proven. 0 refuted. 0 times theorem prover too weak. 3520 trivial. 0 not checked. [2020-11-30 01:15:40,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078062768] [2020-11-30 01:15:40,630 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:15:40,630 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:15:40,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715979447] [2020-11-30 01:15:40,631 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:15:40,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:15:40,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:15:40,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:15:40,632 INFO L87 Difference]: Start difference. First operand 18817 states and 19103 transitions. Second operand 3 states. [2020-11-30 01:15:42,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:15:42,181 INFO L93 Difference]: Finished difference Result 36974 states and 37544 transitions. [2020-11-30 01:15:42,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:15:42,183 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2125 [2020-11-30 01:15:42,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:15:42,199 INFO L225 Difference]: With dead ends: 36974 [2020-11-30 01:15:42,199 INFO L226 Difference]: Without dead ends: 19146 [2020-11-30 01:15:42,208 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 01:15:42,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19146 states. [2020-11-30 01:15:42,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19146 to 19146. [2020-11-30 01:15:42,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19146 states. [2020-11-30 01:15:42,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19146 states to 19146 states and 19435 transitions. [2020-11-30 01:15:42,401 INFO L78 Accepts]: Start accepts. Automaton has 19146 states and 19435 transitions. Word has length 2125 [2020-11-30 01:15:42,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:15:42,402 INFO L481 AbstractCegarLoop]: Abstraction has 19146 states and 19435 transitions. [2020-11-30 01:15:42,402 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:15:42,402 INFO L276 IsEmpty]: Start isEmpty. Operand 19146 states and 19435 transitions. [2020-11-30 01:15:42,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2133 [2020-11-30 01:15:42,545 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:15:42,546 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:15:42,547 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-11-30 01:15:42,547 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:15:42,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:15:42,548 INFO L82 PathProgramCache]: Analyzing trace with hash 219259246, now seen corresponding path program 1 times [2020-11-30 01:15:42,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:15:42,551 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060472599] [2020-11-30 01:15:42,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:15:42,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:15:47,582 INFO L134 CoverageAnalysis]: Checked inductivity of 9005 backedges. 6539 proven. 395 refuted. 0 times theorem prover too weak. 2071 trivial. 0 not checked. [2020-11-30 01:15:47,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060472599] [2020-11-30 01:15:47,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104472351] [2020-11-30 01:15:47,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa4788b0-2817-4c27-904b-776c414ac5da/bin/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:15:48,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:15:48,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 2494 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 01:15:48,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:15:51,420 INFO L134 CoverageAnalysis]: Checked inductivity of 9005 backedges. 5374 proven. 0 refuted. 0 times theorem prover too weak. 3631 trivial. 0 not checked. [2020-11-30 01:15:51,421 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 01:15:51,422 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-11-30 01:15:51,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931334328] [2020-11-30 01:15:51,424 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:15:51,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:15:51,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:15:51,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-11-30 01:15:51,425 INFO L87 Difference]: Start difference. First operand 19146 states and 19435 transitions. Second operand 3 states. [2020-11-30 01:15:53,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:15:53,080 INFO L93 Difference]: Finished difference Result 37632 states and 38210 transitions. [2020-11-30 01:15:53,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:15:53,081 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2132 [2020-11-30 01:15:53,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:15:53,097 INFO L225 Difference]: With dead ends: 37632 [2020-11-30 01:15:53,097 INFO L226 Difference]: Without dead ends: 19475 [2020-11-30 01:15:53,106 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2139 GetRequests, 2133 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-11-30 01:15:53,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19475 states. [2020-11-30 01:15:53,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19475 to 19475. [2020-11-30 01:15:53,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19475 states. [2020-11-30 01:15:53,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19475 states to 19475 states and 19763 transitions. [2020-11-30 01:15:53,302 INFO L78 Accepts]: Start accepts. Automaton has 19475 states and 19763 transitions. Word has length 2132 [2020-11-30 01:15:53,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:15:53,303 INFO L481 AbstractCegarLoop]: Abstraction has 19475 states and 19763 transitions. [2020-11-30 01:15:53,303 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:15:53,304 INFO L276 IsEmpty]: Start isEmpty. Operand 19475 states and 19763 transitions. [2020-11-30 01:15:53,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2417 [2020-11-30 01:15:53,341 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:15:53,342 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 4, 4, 4, 4, 3, 3, 3, 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] [2020-11-30 01:15:53,542 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2020-11-30 01:15:53,543 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:15:53,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:15:53,544 INFO L82 PathProgramCache]: Analyzing trace with hash 905930353, now seen corresponding path program 1 times [2020-11-30 01:15:53,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:15:53,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532700806] [2020-11-30 01:15:53,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:15:53,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:15:59,143 INFO L134 CoverageAnalysis]: Checked inductivity of 11232 backedges. 6955 proven. 0 refuted. 0 times theorem prover too weak. 4277 trivial. 0 not checked. [2020-11-30 01:15:59,144 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532700806] [2020-11-30 01:15:59,144 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:15:59,144 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 01:15:59,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265449247] [2020-11-30 01:15:59,146 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 01:15:59,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:15:59,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 01:15:59,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:15:59,147 INFO L87 Difference]: Start difference. First operand 19475 states and 19763 transitions. Second operand 4 states. [2020-11-30 01:16:01,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:16:01,340 INFO L93 Difference]: Finished difference Result 37995 states and 38564 transitions. [2020-11-30 01:16:01,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 01:16:01,341 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 2416 [2020-11-30 01:16:01,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:16:01,357 INFO L225 Difference]: With dead ends: 37995 [2020-11-30 01:16:01,357 INFO L226 Difference]: Without dead ends: 19509 [2020-11-30 01:16:01,366 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 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 01:16:01,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19509 states. [2020-11-30 01:16:01,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19509 to 19475. [2020-11-30 01:16:01,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19475 states. [2020-11-30 01:16:01,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19475 states to 19475 states and 19754 transitions. [2020-11-30 01:16:01,559 INFO L78 Accepts]: Start accepts. Automaton has 19475 states and 19754 transitions. Word has length 2416 [2020-11-30 01:16:01,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:16:01,560 INFO L481 AbstractCegarLoop]: Abstraction has 19475 states and 19754 transitions. [2020-11-30 01:16:01,560 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 01:16:01,561 INFO L276 IsEmpty]: Start isEmpty. Operand 19475 states and 19754 transitions. [2020-11-30 01:16:01,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2486 [2020-11-30 01:16:01,599 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:16:01,601 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2020-11-30 01:16:01,601 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-11-30 01:16:01,601 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:16:01,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:16:01,602 INFO L82 PathProgramCache]: Analyzing trace with hash -195099142, now seen corresponding path program 1 times [2020-11-30 01:16:01,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:16:01,602 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228380639] [2020-11-30 01:16:01,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:16:01,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:06,505 INFO L134 CoverageAnalysis]: Checked inductivity of 12826 backedges. 4272 proven. 134 refuted. 0 times theorem prover too weak. 8420 trivial. 0 not checked. [2020-11-30 01:16:06,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228380639] [2020-11-30 01:16:06,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657272528] [2020-11-30 01:16:06,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa4788b0-2817-4c27-904b-776c414ac5da/bin/uautomizer/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:16:07,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:07,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 2888 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 01:16:07,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:16:07,160 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:16:07,161 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 01:16:07,163 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 01:16:07,168 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 01:16:07,169 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 01:16:07,175 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 01:16:07,176 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 01:16:07,181 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 01:16:11,442 INFO L134 CoverageAnalysis]: Checked inductivity of 12826 backedges. 6761 proven. 0 refuted. 0 times theorem prover too weak. 6065 trivial. 0 not checked. [2020-11-30 01:16:11,442 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 01:16:11,443 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-11-30 01:16:11,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602740158] [2020-11-30 01:16:11,444 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:16:11,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:16:11,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:16:11,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:16:11,445 INFO L87 Difference]: Start difference. First operand 19475 states and 19754 transitions. Second operand 3 states. [2020-11-30 01:16:13,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:16:13,420 INFO L93 Difference]: Finished difference Result 39277 states and 39855 transitions. [2020-11-30 01:16:13,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:16:13,421 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2485 [2020-11-30 01:16:13,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:16:13,445 INFO L225 Difference]: With dead ends: 39277 [2020-11-30 01:16:13,445 INFO L226 Difference]: Without dead ends: 20791 [2020-11-30 01:16:13,453 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2489 GetRequests, 2485 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:16:13,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20791 states. [2020-11-30 01:16:13,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20791 to 20133. [2020-11-30 01:16:13,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20133 states. [2020-11-30 01:16:13,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20133 states to 20133 states and 20412 transitions. [2020-11-30 01:16:13,645 INFO L78 Accepts]: Start accepts. Automaton has 20133 states and 20412 transitions. Word has length 2485 [2020-11-30 01:16:13,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:16:13,646 INFO L481 AbstractCegarLoop]: Abstraction has 20133 states and 20412 transitions. [2020-11-30 01:16:13,646 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:16:13,646 INFO L276 IsEmpty]: Start isEmpty. Operand 20133 states and 20412 transitions. [2020-11-30 01:16:13,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2610 [2020-11-30 01:16:13,683 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:16:13,684 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-11-30 01:16:13,885 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:16:13,885 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:16:13,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:16:13,886 INFO L82 PathProgramCache]: Analyzing trace with hash 679225644, now seen corresponding path program 1 times [2020-11-30 01:16:13,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:16:13,886 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002053580] [2020-11-30 01:16:13,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:16:14,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:19,785 INFO L134 CoverageAnalysis]: Checked inductivity of 13418 backedges. 4318 proven. 134 refuted. 0 times theorem prover too weak. 8966 trivial. 0 not checked. [2020-11-30 01:16:19,785 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002053580] [2020-11-30 01:16:19,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1572700836] [2020-11-30 01:16:19,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa4788b0-2817-4c27-904b-776c414ac5da/bin/uautomizer/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:16:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:20,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 2989 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-30 01:16:20,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:16:20,500 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:16:20,513 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 01:16:20,519 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 01:16:20,563 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:16:20,566 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 01:16:20,581 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 01:16:25,144 INFO L134 CoverageAnalysis]: Checked inductivity of 13418 backedges. 3030 proven. 0 refuted. 0 times theorem prover too weak. 10388 trivial. 0 not checked. [2020-11-30 01:16:25,144 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 01:16:25,145 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2020-11-30 01:16:25,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817967691] [2020-11-30 01:16:25,146 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 01:16:25,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:16:25,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 01:16:25,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:16:25,147 INFO L87 Difference]: Start difference. First operand 20133 states and 20412 transitions. Second operand 4 states. [2020-11-30 01:16:28,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:16:28,018 INFO L93 Difference]: Finished difference Result 21510 states and 21802 transitions. [2020-11-30 01:16:28,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 01:16:28,019 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 2609 [2020-11-30 01:16:28,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:16:28,037 INFO L225 Difference]: With dead ends: 21510 [2020-11-30 01:16:28,038 INFO L226 Difference]: Without dead ends: 21449 [2020-11-30 01:16:28,042 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2613 GetRequests, 2608 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:16:28,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21449 states. [2020-11-30 01:16:28,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21449 to 19804. [2020-11-30 01:16:28,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19804 states. [2020-11-30 01:16:28,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19804 states to 19804 states and 20080 transitions. [2020-11-30 01:16:28,266 INFO L78 Accepts]: Start accepts. Automaton has 19804 states and 20080 transitions. Word has length 2609 [2020-11-30 01:16:28,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:16:28,268 INFO L481 AbstractCegarLoop]: Abstraction has 19804 states and 20080 transitions. [2020-11-30 01:16:28,269 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 01:16:28,269 INFO L276 IsEmpty]: Start isEmpty. Operand 19804 states and 20080 transitions. [2020-11-30 01:16:28,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2625 [2020-11-30 01:16:28,321 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:16:28,322 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 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, 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, 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, 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] [2020-11-30 01:16:28,533 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2020-11-30 01:16:28,533 INFO L429 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:16:28,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:16:28,535 INFO L82 PathProgramCache]: Analyzing trace with hash 1042776119, now seen corresponding path program 1 times [2020-11-30 01:16:28,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:16:28,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051673079] [2020-11-30 01:16:28,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:16:28,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:42,637 INFO L134 CoverageAnalysis]: Checked inductivity of 12148 backedges. 3256 proven. 6468 refuted. 0 times theorem prover too weak. 2424 trivial. 0 not checked. [2020-11-30 01:16:42,637 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051673079] [2020-11-30 01:16:42,637 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1991969329] [2020-11-30 01:16:42,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa4788b0-2817-4c27-904b-776c414ac5da/bin/uautomizer/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:16:43,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:43,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 2983 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-30 01:16:43,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:16:43,281 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:16:43,282 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 01:16:51,315 INFO L134 CoverageAnalysis]: Checked inductivity of 12148 backedges. 7549 proven. 375 refuted. 0 times theorem prover too weak. 4224 trivial. 0 not checked. [2020-11-30 01:16:51,315 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 01:16:51,316 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5] total 14 [2020-11-30 01:16:51,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201300198] [2020-11-30 01:16:51,319 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-30 01:16:51,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:16:51,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-30 01:16:51,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-11-30 01:16:51,320 INFO L87 Difference]: Start difference. First operand 19804 states and 20080 transitions. Second operand 14 states. [2020-11-30 01:17:10,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:17:10,201 INFO L93 Difference]: Finished difference Result 38428 states and 38953 transitions. [2020-11-30 01:17:10,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-11-30 01:17:10,202 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 2624 [2020-11-30 01:17:10,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:17:10,205 INFO L225 Difference]: With dead ends: 38428 [2020-11-30 01:17:10,205 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 01:17:10,214 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2720 GetRequests, 2663 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1087 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=578, Invalid=2844, Unknown=0, NotChecked=0, Total=3422 [2020-11-30 01:17:10,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 01:17:10,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 01:17:10,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 01:17:10,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 01:17:10,216 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2624 [2020-11-30 01:17:10,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:17:10,216 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:17:10,216 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-30 01:17:10,216 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 01:17:10,216 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 01:17:10,417 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:17:10,418 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 01:17:11,148 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 473 DAG size of output: 376 [2020-11-30 01:17:13,134 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 891 DAG size of output: 650 [2020-11-30 01:17:14,950 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 896 DAG size of output: 652 [2020-11-30 01:17:19,946 WARN L193 SmtUtils]: Spent 4.99 s on a formula simplification. DAG size of input: 347 DAG size of output: 153 [2020-11-30 01:17:31,014 WARN L193 SmtUtils]: Spent 11.06 s on a formula simplification. DAG size of input: 581 DAG size of output: 167 [2020-11-30 01:17:41,250 WARN L193 SmtUtils]: Spent 10.23 s on a formula simplification. DAG size of input: 582 DAG size of output: 167 [2020-11-30 01:17:41,254 INFO L274 CegarLoopResult]: For program point L762(lines 762 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,254 INFO L274 CegarLoopResult]: For program point L696(lines 696 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,254 INFO L274 CegarLoopResult]: For program point L564(lines 564 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,254 INFO L274 CegarLoopResult]: For program point L366(lines 366 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,254 INFO L274 CegarLoopResult]: For program point L1357(lines 1357 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,254 INFO L274 CegarLoopResult]: For program point L300(lines 300 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,255 INFO L274 CegarLoopResult]: For program point L1159(lines 1159 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,255 INFO L274 CegarLoopResult]: For program point L1556(lines 1556 1773) no Hoare annotation was computed. [2020-11-30 01:17:41,255 INFO L274 CegarLoopResult]: For program point L499(lines 499 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,255 INFO L274 CegarLoopResult]: For program point L169-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,255 INFO L274 CegarLoopResult]: For program point L103-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,255 INFO L274 CegarLoopResult]: For program point L37-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,255 INFO L274 CegarLoopResult]: For program point L1028(lines 1028 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,255 INFO L274 CegarLoopResult]: For program point L434(lines 434 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,255 INFO L274 CegarLoopResult]: For program point L1425(lines 1425 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,255 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-11-30 01:17:41,255 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-11-30 01:17:41,255 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-11-30 01:17:41,255 INFO L274 CegarLoopResult]: For program point L1756(lines 1756 1773) no Hoare annotation was computed. [2020-11-30 01:17:41,256 INFO L274 CegarLoopResult]: For program point L1096(lines 1096 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,256 INFO L274 CegarLoopResult]: For program point L964(lines 964 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,256 INFO L274 CegarLoopResult]: For program point L898(lines 898 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,256 INFO L274 CegarLoopResult]: For program point L832(lines 832 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,256 INFO L274 CegarLoopResult]: For program point L634(lines 634 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,256 INFO L274 CegarLoopResult]: For program point L172-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,256 INFO L274 CegarLoopResult]: For program point L106-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,256 INFO L274 CegarLoopResult]: For program point L40-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,256 INFO L274 CegarLoopResult]: For program point L701(lines 701 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,256 INFO L274 CegarLoopResult]: For program point L1692(lines 1692 1773) no Hoare annotation was computed. [2020-11-30 01:17:41,256 INFO L274 CegarLoopResult]: For program point L1626(lines 1626 1773) no Hoare annotation was computed. [2020-11-30 01:17:41,256 INFO L274 CegarLoopResult]: For program point L1494(lines 1494 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,256 INFO L274 CegarLoopResult]: For program point L437(lines 437 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,256 INFO L274 CegarLoopResult]: For program point L371(lines 371 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,257 INFO L274 CegarLoopResult]: For program point L1296(lines 1296 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,257 INFO L274 CegarLoopResult]: For program point L239(lines 239 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,257 INFO L274 CegarLoopResult]: For program point L1230(lines 1230 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,257 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-11-30 01:17:41,257 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-11-30 01:17:41,257 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-11-30 01:17:41,257 INFO L274 CegarLoopResult]: For program point L768(lines 768 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,257 INFO L274 CegarLoopResult]: For program point L570(lines 570 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,257 INFO L274 CegarLoopResult]: For program point L1363(lines 1363 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,257 INFO L274 CegarLoopResult]: For program point L1165(lines 1165 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,257 INFO L274 CegarLoopResult]: For program point L505(lines 505 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,258 INFO L274 CegarLoopResult]: For program point L307(lines 307 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,258 INFO L274 CegarLoopResult]: For program point L175-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,258 INFO L274 CegarLoopResult]: For program point L109-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,258 INFO L274 CegarLoopResult]: For program point L43-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,258 INFO L274 CegarLoopResult]: For program point L1563(lines 1563 1773) no Hoare annotation was computed. [2020-11-30 01:17:41,258 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-11-30 01:17:41,258 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-11-30 01:17:41,259 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-11-30 01:17:41,259 INFO L274 CegarLoopResult]: For program point L1035(lines 1035 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,259 INFO L274 CegarLoopResult]: For program point L1762(lines 1762 1773) no Hoare annotation was computed. [2020-11-30 01:17:41,259 INFO L274 CegarLoopResult]: For program point L1432(lines 1432 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,259 INFO L274 CegarLoopResult]: For program point L1102(lines 1102 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,259 INFO L274 CegarLoopResult]: For program point L904(lines 904 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,259 INFO L274 CegarLoopResult]: For program point L838(lines 838 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,259 INFO L274 CegarLoopResult]: For program point L706(lines 706 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,259 INFO L274 CegarLoopResult]: For program point L1697(lines 1697 1773) no Hoare annotation was computed. [2020-11-30 01:17:41,259 INFO L274 CegarLoopResult]: For program point L1301(lines 1301 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,259 INFO L274 CegarLoopResult]: For program point L178-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,259 INFO L274 CegarLoopResult]: For program point L112-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,259 INFO L274 CegarLoopResult]: For program point L46-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,259 INFO L274 CegarLoopResult]: For program point L971(lines 971 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,260 INFO L274 CegarLoopResult]: For program point L773(lines 773 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,260 INFO L274 CegarLoopResult]: For program point L641(lines 641 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,260 INFO L274 CegarLoopResult]: For program point L1632(lines 1632 1773) no Hoare annotation was computed. [2020-11-30 01:17:41,260 INFO L274 CegarLoopResult]: For program point L377(lines 377 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,260 INFO L274 CegarLoopResult]: For program point L1368(lines 1368 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,260 INFO L274 CegarLoopResult]: For program point L245(lines 245 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,260 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-11-30 01:17:41,260 INFO L274 CegarLoopResult]: For program point L1170(lines 1170 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,260 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-11-30 01:17:41,260 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-11-30 01:17:41,261 INFO L270 CegarLoopResult]: At program point L1501(lines 33 1502) the Hoare annotation is: (let ((.cse11 (= ~a12~0 6))) (let ((.cse25 (not .cse11)) (.cse36 (+ ~a18~0 156)) (.cse1 (= ~a16~0 9)) (.cse12 (= ~a16~0 8)) (.cse20 (= 7 ~a12~0)) (.cse35 (+ ~a18~0 87))) (let ((.cse10 (<= .cse35 0)) (.cse7 (= ~a12~0 8)) (.cse34 (<= (+ ~a18~0 292384) 0)) (.cse14 (<= ~a18~0 132)) (.cse28 (not .cse20)) (.cse9 (not .cse12)) (.cse15 (<= 12 ~a16~0)) (.cse4 (not .cse1)) (.cse33 (< 0 .cse36)) (.cse24 (<= ~a18~0 134)) (.cse30 (<= ~a18~0 594506)) (.cse18 (<= ~a12~0 7)) (.cse19 (or .cse25 (< 134 ~a18~0))) (.cse3 (= ~a15~0 4)) (.cse27 (<= .cse36 0)) (.cse21 (= ~a16~0 10)) (.cse0 (= ~a12~0 9)) (.cse29 (<= 7 ~a12~0)) (.cse8 (<= ~a16~0 11)) (.cse23 (= ~a16~0 11)) (.cse13 (<= 0 .cse35)) (.cse2 (<= ~a18~0 83)) (.cse16 (<= ~a12~0 6)) (.cse17 (<= 6 ~a12~0)) (.cse5 (= ~a15~0 3)) (.cse6 (<= ~a18~0 600002)) (.cse31 (not (= 6 ULTIMATE.start_calculate_output_~input))) (.cse32 (= ~a16~0 12)) (.cse26 (<= (+ (div (+ (* ~a18~0 (- 1)) (- 1)) 2) 80) 0)) (.cse22 (= 5 ~a12~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (or (and .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse5 .cse7 .cse10))) (and .cse11 .cse5 .cse6 .cse12) (and .cse13 .cse3 .cse14 .cse7 .cse12) (and .cse5 .cse15 .cse13 .cse2 .cse16 .cse17) (and .cse5 .cse15 .cse18 .cse19 .cse14 .cse17) (and .cse1 .cse5 .cse6 .cse20) (and .cse5 .cse15 .cse2 .cse7) (and .cse6 .cse21 (< 0 (+ (div (+ ~a18~0 (- 599175)) 3) 156)) .cse3 .cse22) (and .cse5 .cse23 .cse18 .cse24 .cse25 .cse17) (and .cse5 .cse15 (<= ~a18~0 594508) .cse16 .cse26 .cse17) (and (or (and .cse1 .cse20 .cse26 (<= ~a18~0 597816)) (and .cse1 (or (and .cse20 .cse27) (and .cse20 .cse13 .cse24)))) .cse3) (and .cse1 .cse5 .cse6 .cse22) (and .cse0 .cse28 .cse5 .cse29 .cse27 .cse8 .cse12) (and .cse1 .cse2 .cse3 .cse22) (and .cse5 .cse7 .cse30 .cse26) (and .cse0 .cse5 .cse28 .cse29 .cse23 .cse13 .cse24 .cse30 .cse8) (and .cse1 .cse3 .cse16 .cse24 .cse17) (and .cse5 .cse31 .cse24 .cse32 .cse22 .cse33) (and .cse0 .cse3 .cse30 .cse12) (and .cse3 .cse16 .cse34 .cse17 .cse12) (and .cse5 .cse13 .cse30 .cse8 .cse9 .cse22) (and .cse13 .cse18 .cse3 .cse24 .cse17 .cse12) (and .cse0 .cse28 .cse5 .cse29 .cse23 .cse27 .cse8) (and .cse0 .cse5 .cse6 .cse29 .cse13 .cse8 .cse12) (and .cse1 .cse5 .cse28 .cse29 .cse13 .cse30 .cse8) (and .cse1 .cse2 .cse3 .cse7) (and .cse5 .cse20 .cse10 .cse12) (and .cse3 .cse7 .cse34 .cse12) (and .cse3 .cse14 .cse22 .cse12) (and .cse3 .cse14 .cse16 .cse8 .cse9 .cse17) (and .cse5 .cse28 .cse29 .cse13 .cse30 .cse8 .cse12) (and .cse1 .cse28 .cse5 .cse29 .cse27 .cse8) (and .cse4 .cse3 .cse2 .cse8 (<= ~a12~0 5) .cse9) (and .cse0 .cse5 .cse15 .cse6) (and .cse4 .cse19 .cse3 .cse16 .cse30 .cse8 .cse17) (and .cse5 .cse2 .cse32 .cse33 .cse22) (and .cse5 .cse24 .cse22 .cse12) (and .cse3 .cse30 .cse26 (not (= 3 ULTIMATE.start_calculate_output_~input)) .cse22 .cse12) (and .cse18 .cse19 .cse3 .cse27 .cse17 .cse12) (and .cse11 .cse5 .cse6 .cse21) (and .cse0 .cse5 .cse1 .cse6 .cse29 .cse13 .cse8) (and .cse5 .cse31 .cse23 .cse13 .cse2 .cse16 (not (= 5 ULTIMATE.start_calculate_output_~input)) .cse17) (and .cse5 .cse6 .cse31 .cse32 .cse26 .cse22))))) [2020-11-30 01:17:41,261 INFO L274 CegarLoopResult]: For program point L444(lines 444 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,261 INFO L274 CegarLoopResult]: For program point L1237(lines 1237 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,261 INFO L274 CegarLoopResult]: For program point L577(lines 577 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,261 INFO L274 CegarLoopResult]: For program point L511(lines 511 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,261 INFO L274 CegarLoopResult]: For program point L313(lines 313 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,261 INFO L274 CegarLoopResult]: For program point L181-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,261 INFO L274 CegarLoopResult]: For program point L115-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,262 INFO L274 CegarLoopResult]: For program point L49-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,262 INFO L274 CegarLoopResult]: For program point L1767(lines 1767 1773) no Hoare annotation was computed. [2020-11-30 01:17:41,262 INFO L274 CegarLoopResult]: For program point L1569(lines 1569 1773) no Hoare annotation was computed. [2020-11-30 01:17:41,262 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-11-30 01:17:41,262 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-11-30 01:17:41,262 INFO L274 CegarLoopResult]: For program point L1107(lines 1107 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,262 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-11-30 01:17:41,262 INFO L274 CegarLoopResult]: For program point L1041(lines 1041 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,262 INFO L274 CegarLoopResult]: For program point L909(lines 909 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,262 INFO L274 CegarLoopResult]: For program point L1438(lines 1438 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,262 INFO L274 CegarLoopResult]: For program point L844(lines 844 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,262 INFO L274 CegarLoopResult]: For program point L1703(lines 1703 1773) no Hoare annotation was computed. [2020-11-30 01:17:41,262 INFO L274 CegarLoopResult]: For program point L646(lines 646 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,262 INFO L274 CegarLoopResult]: For program point L1307(lines 1307 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,262 INFO L274 CegarLoopResult]: For program point L250(lines 250 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,263 INFO L274 CegarLoopResult]: For program point L184-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,263 INFO L274 CegarLoopResult]: For program point L118-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,263 INFO L274 CegarLoopResult]: For program point L52-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,263 INFO L274 CegarLoopResult]: For program point L977(lines 977 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,263 INFO L274 CegarLoopResult]: For program point L779(lines 779 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,263 INFO L274 CegarLoopResult]: For program point L713(lines 713 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,263 INFO L274 CegarLoopResult]: For program point L1638(lines 1638 1773) no Hoare annotation was computed. [2020-11-30 01:17:41,263 INFO L274 CegarLoopResult]: For program point L383(lines 383 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,263 INFO L274 CegarLoopResult]: For program point L1374(lines 1374 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,263 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-11-30 01:17:41,263 INFO L274 CegarLoopResult]: For program point L1176(lines 1176 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,263 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-11-30 01:17:41,263 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-11-30 01:17:41,263 INFO L274 CegarLoopResult]: For program point L1507(lines 1507 1773) no Hoare annotation was computed. [2020-11-30 01:17:41,264 INFO L274 CegarLoopResult]: For program point L450(lines 450 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,264 INFO L274 CegarLoopResult]: For program point L583(lines 583 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,264 INFO L274 CegarLoopResult]: For program point L319(lines 319 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,264 INFO L274 CegarLoopResult]: For program point L1244(lines 1244 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,264 INFO L274 CegarLoopResult]: For program point L187-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,264 INFO L274 CegarLoopResult]: For program point L121-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,264 INFO L274 CegarLoopResult]: For program point L55-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,264 INFO L274 CegarLoopResult]: For program point L1046(lines 1046 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,264 INFO L274 CegarLoopResult]: For program point L716(lines 716 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,265 INFO L274 CegarLoopResult]: For program point L518(lines 518 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,265 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-11-30 01:17:41,265 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-11-30 01:17:41,265 INFO L274 CegarLoopResult]: For program point L1113(lines 1113 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,265 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-11-30 01:17:41,265 INFO L274 CegarLoopResult]: For program point L915(lines 915 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,265 INFO L270 CegarLoopResult]: At program point L1774(lines 1504 1775) the Hoare annotation is: (let ((.cse32 (= 7 ~a12~0)) (.cse22 (not (= ~a12~0 6))) (.cse34 (+ ~a18~0 156)) (.cse18 (= ~a16~0 8)) (.cse1 (= ~a16~0 9)) (.cse33 (+ ~a18~0 87))) (let ((.cse8 (<= .cse33 0)) (.cse5 (= ~a12~0 8)) (.cse31 (<= (+ ~a18~0 292384) 0)) (.cse23 (<= ~a18~0 132)) (.cse4 (not .cse1)) (.cse6 (<= ~a16~0 11)) (.cse7 (not .cse18)) (.cse21 (<= ~a18~0 134)) (.cse24 (= ~a12~0 9)) (.cse14 (<= 12 ~a16~0)) (.cse17 (< 0 .cse34)) (.cse20 (<= ~a12~0 7)) (.cse10 (or .cse22 (< 134 ~a18~0))) (.cse9 (= ~a15~0 4)) (.cse28 (<= .cse34 0)) (.cse2 (<= ~a18~0 600002)) (.cse30 (= ~a16~0 12)) (.cse25 (<= (+ (div (+ (* ~a18~0 (- 1)) (- 1)) 2) 80) 0)) (.cse3 (= 5 ~a12~0)) (.cse26 (not .cse32)) (.cse27 (<= 7 ~a12~0)) (.cse12 (<= ~a18~0 594506)) (.cse0 (= ~a15~0 3)) (.cse29 (not (= 6 ULTIMATE.start_calculate_output_~input))) (.cse19 (= ~a16~0 11)) (.cse15 (<= 0 .cse33)) (.cse16 (<= ~a18~0 83)) (.cse11 (<= ~a12~0 6)) (.cse13 (<= 6 ~a12~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (or (and .cse0 .cse2 .cse5 .cse6 .cse7) (and .cse0 .cse5 .cse8))) (and .cse4 .cse9 .cse10 .cse11 .cse12 .cse6 .cse13) (and .cse0 .cse14 .cse15 .cse16 .cse11 .cse13) (and .cse0 (<= (+ ~a18~0 79) 0) .cse11 .cse17 .cse13 .cse18) (and .cse0 .cse14 .cse16 .cse5) (and .cse0 .cse19 .cse20 .cse21 .cse22 .cse13) (and .cse0 .cse14 .cse10 .cse20 .cse23 .cse13) (and .cse2 (= ~a16~0 10) (< 0 (+ (div (+ ~a18~0 (- 599175)) 3) 156)) .cse9 .cse3) (and .cse24 .cse1 .cse9 .cse16) (and .cse0 .cse14 (<= ~a18~0 594508) .cse11 .cse25 .cse13) (and .cse24 .cse26 .cse0 .cse27 .cse28 .cse6 .cse18) (and .cse0 .cse5 .cse12 .cse25) (and .cse15 .cse9 .cse5 .cse23 .cse18) (and .cse0 .cse29 .cse21 .cse30 .cse3 .cse17) (and .cse24 .cse0 .cse19 .cse15 .cse21) (and .cse9 .cse16 .cse6 .cse3) (and .cse24 .cse9 .cse12 .cse18) (and .cse0 .cse1 .cse26 .cse27 .cse15 .cse12) (and .cse9 .cse11 .cse6 .cse31 .cse13) (and .cse0 .cse15 .cse12 .cse6 .cse7 .cse3) (and .cse24 .cse26 .cse0 .cse27 .cse19 .cse28 .cse6) (and .cse15 .cse9 .cse20 .cse21 .cse13 .cse18) (and .cse24 .cse0 .cse1 .cse2 .cse15) (and .cse1 .cse16 .cse9 .cse5) (and .cse0 .cse32 .cse8 .cse18) (and .cse9 .cse5 .cse31 .cse18) (and .cse9 (or (and .cse1 (or (and .cse15 .cse20 .cse21 .cse13) (and .cse20 .cse28 .cse13))) (and .cse1 .cse32 .cse25 (<= ~a18~0 597816)))) (and .cse9 .cse23 .cse3 .cse18) (and .cse9 .cse23 .cse11 .cse6 .cse7 .cse13) (and .cse1 .cse26 .cse0 .cse27 .cse28 .cse6) (and .cse24 .cse0 .cse2 .cse15 .cse18) (and .cse4 .cse9 .cse16 .cse6 (<= ~a12~0 5) .cse7) (and .cse0 .cse21 .cse3 .cse18) (and .cse24 .cse0 .cse14 .cse2) (and .cse0 .cse16 .cse30 .cse17 .cse3) (and .cse9 .cse12 .cse25 (not (= 3 ULTIMATE.start_calculate_output_~input)) .cse3 .cse18) (and .cse20 .cse10 .cse9 .cse28 .cse13 .cse18) (and .cse0 .cse2 .cse29 .cse30 .cse25 .cse3) (and .cse0 .cse26 .cse27 .cse15 .cse12 .cse18) (and .cse0 .cse29 .cse19 .cse15 .cse16 .cse11 (not (= 5 ULTIMATE.start_calculate_output_~input)) .cse13)))) [2020-11-30 01:17:41,266 INFO L274 CegarLoopResult]: For program point L651(lines 651 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,266 INFO L274 CegarLoopResult]: For program point L1576(lines 1576 1773) no Hoare annotation was computed. [2020-11-30 01:17:41,266 INFO L274 CegarLoopResult]: For program point L453(lines 453 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,266 INFO L274 CegarLoopResult]: For program point L1444(lines 1444 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,266 INFO L274 CegarLoopResult]: For program point L850(lines 850 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,266 INFO L274 CegarLoopResult]: For program point L1709(lines 1709 1773) no Hoare annotation was computed. [2020-11-30 01:17:41,266 INFO L274 CegarLoopResult]: For program point L1643(lines 1643 1773) no Hoare annotation was computed. [2020-11-30 01:17:41,266 INFO L274 CegarLoopResult]: For program point L1313(lines 1313 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,266 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 01:17:41,266 INFO L274 CegarLoopResult]: For program point L256(lines 256 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,266 INFO L274 CegarLoopResult]: For program point L190-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,266 INFO L274 CegarLoopResult]: For program point L124-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,267 INFO L274 CegarLoopResult]: For program point L58-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,267 INFO L274 CegarLoopResult]: For program point L785(lines 785 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,267 INFO L274 CegarLoopResult]: For program point L1380(lines 1380 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,267 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-11-30 01:17:41,267 INFO L274 CegarLoopResult]: For program point L1182(lines 1182 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,267 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-11-30 01:17:41,267 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-11-30 01:17:41,268 INFO L274 CegarLoopResult]: For program point L984(lines 984 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,268 INFO L277 CegarLoopResult]: At program point L1777(lines 1777 1793) the Hoare annotation is: true [2020-11-30 01:17:41,268 INFO L274 CegarLoopResult]: For program point L588(lines 588 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,268 INFO L274 CegarLoopResult]: For program point L1513(lines 1513 1773) no Hoare annotation was computed. [2020-11-30 01:17:41,268 INFO L274 CegarLoopResult]: For program point L390(lines 390 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,268 INFO L274 CegarLoopResult]: For program point L325(lines 325 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,268 INFO L274 CegarLoopResult]: For program point L193-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,268 INFO L274 CegarLoopResult]: For program point L127-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,268 INFO L274 CegarLoopResult]: For program point L61-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,268 INFO L274 CegarLoopResult]: For program point L1052(lines 1052 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,268 INFO L274 CegarLoopResult]: For program point L788(lines 788 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,268 INFO L274 CegarLoopResult]: For program point L722(lines 722 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,268 INFO L274 CegarLoopResult]: For program point L1251(lines 1251 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,269 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-11-30 01:17:41,269 INFO L274 CegarLoopResult]: For program point L1185(lines 1185 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,269 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-11-30 01:17:41,269 INFO L274 CegarLoopResult]: For program point L1119(lines 1119 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,269 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-11-30 01:17:41,269 INFO L274 CegarLoopResult]: For program point L1714(lines 1714 1773) no Hoare annotation was computed. [2020-11-30 01:17:41,269 INFO L274 CegarLoopResult]: For program point L1648(lines 1648 1773) no Hoare annotation was computed. [2020-11-30 01:17:41,269 INFO L274 CegarLoopResult]: For program point L525(lines 525 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,269 INFO L274 CegarLoopResult]: For program point L459(lines 459 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,270 INFO L274 CegarLoopResult]: For program point L1450(lines 1450 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,270 INFO L274 CegarLoopResult]: For program point L922(lines 922 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,270 INFO L274 CegarLoopResult]: For program point L856(lines 856 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,270 INFO L274 CegarLoopResult]: For program point L658(lines 658 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,270 INFO L274 CegarLoopResult]: For program point L1583(lines 1583 1773) no Hoare annotation was computed. [2020-11-30 01:17:41,270 INFO L274 CegarLoopResult]: For program point L1385(lines 1385 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,270 INFO L274 CegarLoopResult]: For program point L1319(lines 1319 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,271 INFO L274 CegarLoopResult]: For program point L262(lines 262 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,271 INFO L274 CegarLoopResult]: For program point L196-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,271 INFO L274 CegarLoopResult]: For program point L130-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,271 INFO L274 CegarLoopResult]: For program point L64-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,271 INFO L274 CegarLoopResult]: For program point L989(lines 989 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,271 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-11-30 01:17:41,272 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-11-30 01:17:41,272 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-11-30 01:17:41,272 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 01:17:41,272 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2020-11-30 01:17:41,273 INFO L270 CegarLoopResult]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (let ((.cse11 (= ~a12~0 6))) (let ((.cse25 (not .cse11)) (.cse36 (+ ~a18~0 156)) (.cse1 (= ~a16~0 9)) (.cse12 (= ~a16~0 8)) (.cse20 (= 7 ~a12~0)) (.cse35 (+ ~a18~0 87))) (let ((.cse10 (<= .cse35 0)) (.cse7 (= ~a12~0 8)) (.cse34 (<= (+ ~a18~0 292384) 0)) (.cse14 (<= ~a18~0 132)) (.cse28 (not .cse20)) (.cse9 (not .cse12)) (.cse15 (<= 12 ~a16~0)) (.cse4 (not .cse1)) (.cse33 (< 0 .cse36)) (.cse24 (<= ~a18~0 134)) (.cse30 (<= ~a18~0 594506)) (.cse18 (<= ~a12~0 7)) (.cse19 (or .cse25 (< 134 ~a18~0))) (.cse3 (= ~a15~0 4)) (.cse27 (<= .cse36 0)) (.cse21 (= ~a16~0 10)) (.cse0 (= ~a12~0 9)) (.cse29 (<= 7 ~a12~0)) (.cse8 (<= ~a16~0 11)) (.cse23 (= ~a16~0 11)) (.cse13 (<= 0 .cse35)) (.cse2 (<= ~a18~0 83)) (.cse16 (<= ~a12~0 6)) (.cse17 (<= 6 ~a12~0)) (.cse5 (= ~a15~0 3)) (.cse6 (<= ~a18~0 600002)) (.cse31 (not (= 6 ULTIMATE.start_calculate_output_~input))) (.cse32 (= ~a16~0 12)) (.cse26 (<= (+ (div (+ (* ~a18~0 (- 1)) (- 1)) 2) 80) 0)) (.cse22 (= 5 ~a12~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (or (and .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse5 .cse7 .cse10))) (and .cse11 .cse5 .cse6 .cse12) (and .cse13 .cse3 .cse14 .cse7 .cse12) (and .cse5 .cse15 .cse13 .cse2 .cse16 .cse17) (and .cse5 .cse15 .cse18 .cse19 .cse14 .cse17) (and .cse1 .cse5 .cse6 .cse20) (and .cse5 .cse15 .cse2 .cse7) (and .cse6 .cse21 (< 0 (+ (div (+ ~a18~0 (- 599175)) 3) 156)) .cse3 .cse22) (and .cse5 .cse23 .cse18 .cse24 .cse25 .cse17) (and .cse5 .cse15 (<= ~a18~0 594508) .cse16 .cse26 .cse17) (and (or (and .cse1 .cse20 .cse26 (<= ~a18~0 597816)) (and .cse1 (or (and .cse20 .cse27) (and .cse20 .cse13 .cse24)))) .cse3) (and .cse1 .cse5 .cse6 .cse22) (and .cse0 .cse28 .cse5 .cse29 .cse27 .cse8 .cse12) (and .cse1 .cse2 .cse3 .cse22) (and .cse5 .cse7 .cse30 .cse26) (and .cse0 .cse5 .cse28 .cse29 .cse23 .cse13 .cse24 .cse30 .cse8) (and .cse1 .cse3 .cse16 .cse24 .cse17) (and .cse5 .cse31 .cse24 .cse32 .cse22 .cse33) (and .cse0 .cse3 .cse30 .cse12) (and .cse3 .cse16 .cse34 .cse17 .cse12) (and .cse5 .cse13 .cse30 .cse8 .cse9 .cse22) (and .cse13 .cse18 .cse3 .cse24 .cse17 .cse12) (and .cse0 .cse28 .cse5 .cse29 .cse23 .cse27 .cse8) (and .cse0 .cse5 .cse6 .cse29 .cse13 .cse8 .cse12) (and .cse1 .cse5 .cse28 .cse29 .cse13 .cse30 .cse8) (and .cse1 .cse2 .cse3 .cse7) (and .cse5 .cse20 .cse10 .cse12) (and .cse3 .cse7 .cse34 .cse12) (and .cse3 .cse14 .cse22 .cse12) (and .cse3 .cse14 .cse16 .cse8 .cse9 .cse17) (and .cse5 .cse28 .cse29 .cse13 .cse30 .cse8 .cse12) (and .cse1 .cse28 .cse5 .cse29 .cse27 .cse8) (and .cse4 .cse3 .cse2 .cse8 (<= ~a12~0 5) .cse9) (and .cse0 .cse5 .cse15 .cse6) (and .cse4 .cse19 .cse3 .cse16 .cse30 .cse8 .cse17) (and .cse5 .cse2 .cse32 .cse33 .cse22) (and .cse5 .cse24 .cse22 .cse12) (and .cse3 .cse30 .cse26 (not (= 3 ULTIMATE.start_calculate_output_~input)) .cse22 .cse12) (and .cse18 .cse19 .cse3 .cse27 .cse17 .cse12) (and .cse11 .cse5 .cse6 .cse21) (and .cse0 .cse5 .cse1 .cse6 .cse29 .cse13 .cse8) (and .cse5 .cse31 .cse23 .cse13 .cse2 .cse16 (not (= 5 ULTIMATE.start_calculate_output_~input)) .cse17) (and .cse5 .cse6 .cse31 .cse32 .cse26 .cse22))))) [2020-11-30 01:17:41,273 INFO L274 CegarLoopResult]: For program point L594(lines 594 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,274 INFO L274 CegarLoopResult]: For program point L396(lines 396 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,274 INFO L274 CegarLoopResult]: For program point L727(lines 727 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,274 INFO L274 CegarLoopResult]: For program point L1520(lines 1520 1773) no Hoare annotation was computed. [2020-11-30 01:17:41,274 INFO L274 CegarLoopResult]: For program point L331(lines 331 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,274 INFO L274 CegarLoopResult]: For program point L199-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,274 INFO L274 CegarLoopResult]: For program point L133-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,274 INFO L274 CegarLoopResult]: For program point L1124(lines 1124 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,275 INFO L274 CegarLoopResult]: For program point L67-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,275 INFO L274 CegarLoopResult]: For program point L1058(lines 1058 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,275 INFO L274 CegarLoopResult]: For program point L794(lines 794 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,275 INFO L274 CegarLoopResult]: For program point L1719(lines 1719 1773) no Hoare annotation was computed. [2020-11-30 01:17:41,275 INFO L274 CegarLoopResult]: For program point L464(lines 464 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,275 INFO L274 CegarLoopResult]: For program point L1257(lines 1257 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,276 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-11-30 01:17:41,276 INFO L274 CegarLoopResult]: For program point L1191(lines 1191 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,276 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-11-30 01:17:41,276 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-11-30 01:17:41,276 INFO L274 CegarLoopResult]: For program point L927(lines 927 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,276 INFO L274 CegarLoopResult]: For program point L861(lines 861 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,277 INFO L274 CegarLoopResult]: For program point L531(lines 531 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,277 INFO L274 CegarLoopResult]: For program point L1456(lines 1456 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,277 INFO L274 CegarLoopResult]: For program point L1324(lines 1324 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,277 INFO L274 CegarLoopResult]: For program point L267(lines 267 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,277 INFO L274 CegarLoopResult]: For program point L1655(lines 1655 1773) no Hoare annotation was computed. [2020-11-30 01:17:41,277 INFO L274 CegarLoopResult]: For program point L1589(lines 1589 1773) no Hoare annotation was computed. [2020-11-30 01:17:41,278 INFO L274 CegarLoopResult]: For program point L1391(lines 1391 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,278 INFO L274 CegarLoopResult]: For program point L202-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,278 INFO L274 CegarLoopResult]: For program point L136-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,278 INFO L274 CegarLoopResult]: For program point L70-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,278 INFO L274 CegarLoopResult]: For program point L1788(line 1788) no Hoare annotation was computed. [2020-11-30 01:17:41,278 INFO L274 CegarLoopResult]: For program point L665(lines 665 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,279 INFO L274 CegarLoopResult]: For program point L599(lines 599 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,279 INFO L274 CegarLoopResult]: For program point L467(lines 467 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,279 INFO L274 CegarLoopResult]: For program point L401(lines 401 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,279 INFO L274 CegarLoopResult]: For program point L1260(lines 1260 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,279 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-11-30 01:17:41,279 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-11-30 01:17:41,280 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-11-30 01:17:41,280 INFO L274 CegarLoopResult]: For program point L996(lines 996 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,280 INFO L274 CegarLoopResult]: For program point L1525(lines 1525 1773) no Hoare annotation was computed. [2020-11-30 01:17:41,280 INFO L274 CegarLoopResult]: For program point L1459(lines 1459 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,280 INFO L274 CegarLoopResult]: For program point L799(lines 799 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,280 INFO L274 CegarLoopResult]: For program point L733(lines 733 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,280 INFO L274 CegarLoopResult]: For program point L337(lines 337 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,281 INFO L274 CegarLoopResult]: For program point L205-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,281 INFO L274 CegarLoopResult]: For program point L139-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,281 INFO L274 CegarLoopResult]: For program point L1130(lines 1130 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,281 INFO L274 CegarLoopResult]: For program point L73-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,281 INFO L274 CegarLoopResult]: For program point L932(lines 932 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,281 INFO L274 CegarLoopResult]: For program point L1725(lines 1725 1773) no Hoare annotation was computed. [2020-11-30 01:17:41,282 INFO L274 CegarLoopResult]: For program point L272(lines 272 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,282 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-11-30 01:17:41,282 INFO L274 CegarLoopResult]: For program point L1197(lines 1197 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,282 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-11-30 01:17:41,282 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-11-30 01:17:41,282 INFO L274 CegarLoopResult]: For program point L1065(lines 1065 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,282 INFO L274 CegarLoopResult]: For program point L867(lines 867 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,283 INFO L274 CegarLoopResult]: For program point L537(lines 537 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,283 INFO L274 CegarLoopResult]: For program point L1396(lines 1396 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,283 INFO L274 CegarLoopResult]: For program point L1661(lines 1661 1773) no Hoare annotation was computed. [2020-11-30 01:17:41,283 INFO L274 CegarLoopResult]: For program point L604(lines 604 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,283 INFO L274 CegarLoopResult]: For program point L1595(lines 1595 1773) no Hoare annotation was computed. [2020-11-30 01:17:41,283 INFO L274 CegarLoopResult]: For program point L1331(lines 1331 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,284 INFO L274 CegarLoopResult]: For program point L208-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,284 INFO L274 CegarLoopResult]: For program point L142-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,284 INFO L274 CegarLoopResult]: For program point L76-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,284 INFO L274 CegarLoopResult]: For program point L671(lines 671 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,284 INFO L274 CegarLoopResult]: For program point L473(lines 473 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,284 INFO L274 CegarLoopResult]: For program point L1266(lines 1266 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,284 INFO L274 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-11-30 01:17:41,285 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-11-30 01:17:41,285 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-11-30 01:17:41,285 INFO L274 CegarLoopResult]: For program point L738(lines 738 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,285 INFO L274 CegarLoopResult]: For program point L1531(lines 1531 1773) no Hoare annotation was computed. [2020-11-30 01:17:41,285 INFO L274 CegarLoopResult]: For program point L408(lines 408 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,285 INFO L274 CegarLoopResult]: For program point L1135(lines 1135 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,286 INFO L274 CegarLoopResult]: For program point L1003(lines 1003 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,286 INFO L274 CegarLoopResult]: For program point L1466(lines 1466 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,286 INFO L274 CegarLoopResult]: For program point L343(lines 343 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,286 INFO L274 CegarLoopResult]: For program point L211-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,286 INFO L274 CegarLoopResult]: For program point L145-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,286 INFO L274 CegarLoopResult]: For program point L79-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,286 INFO L274 CegarLoopResult]: For program point L13(line 13) no Hoare annotation was computed. [2020-11-30 01:17:41,287 INFO L274 CegarLoopResult]: For program point L806(lines 806 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,287 INFO L274 CegarLoopResult]: For program point L1731(lines 1731 1773) no Hoare annotation was computed. [2020-11-30 01:17:41,287 INFO L274 CegarLoopResult]: For program point L674(lines 674 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,287 INFO L274 CegarLoopResult]: For program point L278(lines 278 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,287 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-11-30 01:17:41,287 INFO L274 CegarLoopResult]: For program point L1203(lines 1203 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,288 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-11-30 01:17:41,288 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-11-30 01:17:41,288 INFO L274 CegarLoopResult]: For program point L1071(lines 1071 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,288 INFO L274 CegarLoopResult]: For program point L939(lines 939 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,288 INFO L274 CegarLoopResult]: For program point L873(lines 873 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,288 INFO L274 CegarLoopResult]: For program point L1666(lines 1666 1773) no Hoare annotation was computed. [2020-11-30 01:17:41,288 INFO L274 CegarLoopResult]: For program point L543(lines 543 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,289 INFO L274 CegarLoopResult]: For program point L1402(lines 1402 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,289 INFO L274 CegarLoopResult]: For program point L610(lines 610 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,289 INFO L274 CegarLoopResult]: For program point L1601(lines 1601 1773) no Hoare annotation was computed. [2020-11-30 01:17:41,289 INFO L274 CegarLoopResult]: For program point L1337(lines 1337 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,289 INFO L274 CegarLoopResult]: For program point L214-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,289 INFO L274 CegarLoopResult]: For program point L148-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,290 INFO L274 CegarLoopResult]: For program point L82-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,290 INFO L274 CegarLoopResult]: For program point L479(lines 479 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,290 INFO L274 CegarLoopResult]: For program point L1272(lines 1272 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,290 INFO L274 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-11-30 01:17:41,290 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-30 01:17:41,290 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-11-30 01:17:41,290 INFO L274 CegarLoopResult]: For program point L744(lines 744 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,291 INFO L274 CegarLoopResult]: For program point L1537(lines 1537 1773) no Hoare annotation was computed. [2020-11-30 01:17:41,291 INFO L274 CegarLoopResult]: For program point L1471(lines 1471 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,291 INFO L274 CegarLoopResult]: For program point L414(lines 414 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,291 INFO L274 CegarLoopResult]: For program point L348(lines 348 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,291 INFO L274 CegarLoopResult]: For program point L1141(lines 1141 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,291 INFO L274 CegarLoopResult]: For program point L1009(lines 1009 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,291 INFO L274 CegarLoopResult]: For program point L151-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,292 INFO L274 CegarLoopResult]: For program point L85-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,292 INFO L274 CegarLoopResult]: For program point L812(lines 812 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,292 INFO L274 CegarLoopResult]: For program point L1737(lines 1737 1773) no Hoare annotation was computed. [2020-11-30 01:17:41,292 INFO L274 CegarLoopResult]: For program point L680(lines 680 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,292 INFO L274 CegarLoopResult]: For program point L548(lines 548 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,292 INFO L274 CegarLoopResult]: For program point L1407(lines 1407 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,292 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 01:17:41,293 INFO L274 CegarLoopResult]: For program point L284(lines 284 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,293 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-11-30 01:17:41,293 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-11-30 01:17:41,293 INFO L274 CegarLoopResult]: For program point L1077(lines 1077 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,293 INFO L274 CegarLoopResult]: For program point L945(lines 945 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,293 INFO L274 CegarLoopResult]: For program point L879(lines 879 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,293 INFO L274 CegarLoopResult]: For program point L1210(lines 1210 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,294 INFO L274 CegarLoopResult]: For program point L1673(lines 1673 1773) no Hoare annotation was computed. [2020-11-30 01:17:41,294 INFO L274 CegarLoopResult]: For program point L616(lines 616 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,294 INFO L274 CegarLoopResult]: For program point L1607(lines 1607 1773) no Hoare annotation was computed. [2020-11-30 01:17:41,294 INFO L274 CegarLoopResult]: For program point L1277(lines 1277 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,294 INFO L274 CegarLoopResult]: For program point L154-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,294 INFO L274 CegarLoopResult]: For program point L88-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,294 INFO L274 CegarLoopResult]: For program point L1476(lines 1476 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,294 INFO L274 CegarLoopResult]: For program point L1344(lines 1344 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,295 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-11-30 01:17:41,295 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-11-30 01:17:41,295 INFO L274 CegarLoopResult]: For program point L486(lines 486 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,295 INFO L274 CegarLoopResult]: For program point L1147(lines 1147 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,295 INFO L274 CegarLoopResult]: For program point L1015(lines 1015 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,295 INFO L274 CegarLoopResult]: For program point L751(lines 751 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,295 INFO L274 CegarLoopResult]: For program point L553(lines 553 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,296 INFO L274 CegarLoopResult]: For program point L1544(lines 1544 1773) no Hoare annotation was computed. [2020-11-30 01:17:41,296 INFO L274 CegarLoopResult]: For program point L421(lines 421 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,296 INFO L274 CegarLoopResult]: For program point L355(lines 355 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,296 INFO L274 CegarLoopResult]: For program point L289(lines 289 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,296 INFO L274 CegarLoopResult]: For program point L223(lines 223 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,296 INFO L274 CegarLoopResult]: For program point L157-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,296 INFO L274 CegarLoopResult]: For program point L91-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,297 INFO L274 CegarLoopResult]: For program point L818(lines 818 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,297 INFO L274 CegarLoopResult]: For program point L1743(lines 1743 1773) no Hoare annotation was computed. [2020-11-30 01:17:41,297 INFO L274 CegarLoopResult]: For program point L1413(lines 1413 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,297 INFO L274 CegarLoopResult]: For program point L1215(lines 1215 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,297 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-11-30 01:17:41,297 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-11-30 01:17:41,297 INFO L274 CegarLoopResult]: For program point L1083(lines 1083 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,298 INFO L274 CegarLoopResult]: For program point L885(lines 885 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,298 INFO L274 CegarLoopResult]: For program point L687(lines 687 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,298 INFO L274 CegarLoopResult]: For program point L952(lines 952 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,298 INFO L274 CegarLoopResult]: For program point L1679(lines 1679 1773) no Hoare annotation was computed. [2020-11-30 01:17:41,298 INFO L274 CegarLoopResult]: For program point L622(lines 622 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,298 INFO L274 CegarLoopResult]: For program point L1613(lines 1613 1773) no Hoare annotation was computed. [2020-11-30 01:17:41,298 INFO L274 CegarLoopResult]: For program point L160-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,299 INFO L274 CegarLoopResult]: For program point L94-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,299 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 01:17:41,299 INFO L274 CegarLoopResult]: For program point L1482(lines 1482 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,299 INFO L274 CegarLoopResult]: For program point L1284(lines 1284 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,299 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-11-30 01:17:41,299 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-11-30 01:17:41,299 INFO L274 CegarLoopResult]: For program point L756(lines 756 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,300 INFO L274 CegarLoopResult]: For program point L690(lines 690 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,300 INFO L274 CegarLoopResult]: For program point L558(lines 558 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,300 INFO L274 CegarLoopResult]: For program point L360(lines 360 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,300 INFO L274 CegarLoopResult]: For program point L1351(lines 1351 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,300 INFO L274 CegarLoopResult]: For program point L228(lines 228 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,300 INFO L274 CegarLoopResult]: For program point L1153(lines 1153 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,300 INFO L274 CegarLoopResult]: For program point L1021(lines 1021 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,301 INFO L274 CegarLoopResult]: For program point L1550(lines 1550 1773) no Hoare annotation was computed. [2020-11-30 01:17:41,301 INFO L274 CegarLoopResult]: For program point L493(lines 493 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,301 INFO L274 CegarLoopResult]: For program point L427(lines 427 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,301 INFO L274 CegarLoopResult]: For program point L295(lines 295 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,301 INFO L274 CegarLoopResult]: For program point L163-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,301 INFO L274 CegarLoopResult]: For program point L97-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,301 INFO L274 CegarLoopResult]: For program point L1749(lines 1749 1773) no Hoare annotation was computed. [2020-11-30 01:17:41,302 INFO L274 CegarLoopResult]: For program point L1419(lines 1419 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,302 INFO L274 CegarLoopResult]: For program point L1221(lines 1221 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,302 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-11-30 01:17:41,302 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-11-30 01:17:41,302 INFO L274 CegarLoopResult]: For program point L1089(lines 1089 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,302 INFO L274 CegarLoopResult]: For program point L825(lines 825 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,302 INFO L274 CegarLoopResult]: For program point L958(lines 958 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,303 INFO L274 CegarLoopResult]: For program point L892(lines 892 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,303 INFO L274 CegarLoopResult]: For program point L1685(lines 1685 1773) no Hoare annotation was computed. [2020-11-30 01:17:41,303 INFO L274 CegarLoopResult]: For program point L628(lines 628 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,303 INFO L274 CegarLoopResult]: For program point L1619(lines 1619 1773) no Hoare annotation was computed. [2020-11-30 01:17:41,303 INFO L274 CegarLoopResult]: For program point L1487(lines 1487 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,303 INFO L274 CegarLoopResult]: For program point L166-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,303 INFO L274 CegarLoopResult]: For program point L100-1(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,304 INFO L274 CegarLoopResult]: For program point L34(lines 34 36) no Hoare annotation was computed. [2020-11-30 01:17:41,304 INFO L274 CegarLoopResult]: For program point L34-2(lines 33 1502) no Hoare annotation was computed. [2020-11-30 01:17:41,304 INFO L274 CegarLoopResult]: For program point L1290(lines 1290 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,304 INFO L274 CegarLoopResult]: For program point L233(lines 233 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,304 INFO L274 CegarLoopResult]: For program point L1224(lines 1224 1500) no Hoare annotation was computed. [2020-11-30 01:17:41,304 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-11-30 01:17:41,304 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-11-30 01:17:41,305 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-11-30 01:17:41,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:17:41 BoogieIcfgContainer [2020-11-30 01:17:41,414 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:17:41,415 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:17:41,415 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:17:41,416 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:17:41,416 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:13:15" (3/4) ... [2020-11-30 01:17:41,420 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 01:17:41,471 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-11-30 01:17:41,476 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-30 01:17:41,480 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:17:41,484 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:17:41,771 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_fa4788b0-2817-4c27-904b-776c414ac5da/bin/uautomizer/witness.graphml [2020-11-30 01:17:41,771 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:17:41,772 INFO L168 Benchmark]: Toolchain (without parser) took 270763.35 ms. Allocated memory was 100.7 MB in the beginning and 5.4 GB in the end (delta: 5.3 GB). Free memory was 63.5 MB in the beginning and 2.2 GB in the end (delta: -2.2 GB). Peak memory consumption was 3.1 GB. Max. memory is 16.1 GB. [2020-11-30 01:17:41,772 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 75.5 MB. Free memory is still 36.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:17:41,773 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1181.78 ms. Allocated memory was 100.7 MB in the beginning and 127.9 MB in the end (delta: 27.3 MB). Free memory was 63.3 MB in the beginning and 82.8 MB in the end (delta: -19.5 MB). Peak memory consumption was 25.3 MB. Max. memory is 16.1 GB. [2020-11-30 01:17:41,773 INFO L168 Benchmark]: Boogie Procedure Inliner took 213.29 ms. Allocated memory is still 127.9 MB. Free memory was 82.8 MB in the beginning and 86.8 MB in the end (delta: -4.0 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. [2020-11-30 01:17:41,774 INFO L168 Benchmark]: Boogie Preprocessor took 183.71 ms. Allocated memory is still 127.9 MB. Free memory was 86.2 MB in the beginning and 71.8 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 01:17:41,774 INFO L168 Benchmark]: RCFGBuilder took 2870.25 ms. Allocated memory was 127.9 MB in the beginning and 220.2 MB in the end (delta: 92.3 MB). Free memory was 71.8 MB in the beginning and 86.5 MB in the end (delta: -14.8 MB). Peak memory consumption was 79.9 MB. Max. memory is 16.1 GB. [2020-11-30 01:17:41,775 INFO L168 Benchmark]: TraceAbstraction took 265946.24 ms. Allocated memory was 220.2 MB in the beginning and 5.4 GB in the end (delta: 5.2 GB). Free memory was 86.5 MB in the beginning and 2.3 GB in the end (delta: -2.2 GB). Peak memory consumption was 3.3 GB. Max. memory is 16.1 GB. [2020-11-30 01:17:41,775 INFO L168 Benchmark]: Witness Printer took 355.99 ms. Allocated memory is still 5.4 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 40.3 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. [2020-11-30 01:17:41,778 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 75.5 MB. Free memory is still 36.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1181.78 ms. Allocated memory was 100.7 MB in the beginning and 127.9 MB in the end (delta: 27.3 MB). Free memory was 63.3 MB in the beginning and 82.8 MB in the end (delta: -19.5 MB). Peak memory consumption was 25.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 213.29 ms. Allocated memory is still 127.9 MB. Free memory was 82.8 MB in the beginning and 86.8 MB in the end (delta: -4.0 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 183.71 ms. Allocated memory is still 127.9 MB. Free memory was 86.2 MB in the beginning and 71.8 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2870.25 ms. Allocated memory was 127.9 MB in the beginning and 220.2 MB in the end (delta: 92.3 MB). Free memory was 71.8 MB in the beginning and 86.5 MB in the end (delta: -14.8 MB). Peak memory consumption was 79.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 265946.24 ms. Allocated memory was 220.2 MB in the beginning and 5.4 GB in the end (delta: 5.2 GB). Free memory was 86.5 MB in the beginning and 2.3 GB in the end (delta: -2.2 GB). Peak memory consumption was 3.3 GB. Max. memory is 16.1 GB. * Witness Printer took 355.99 ms. Allocated memory is still 5.4 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 40.3 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 13]: 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: 1504]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((a15 == 3 && a16 == 9) && a18 <= 600002) && 5 == a12) || (!(a16 == 9) && (((((a15 == 3 && a18 <= 600002) && a12 == 8) && a16 <= 11) && !(a16 == 8)) || ((a15 == 3 && a12 == 8) && a18 + 87 <= 0)))) || ((((((!(a16 == 9) && a15 == 4) && (!(a12 == 6) || 134 < a18)) && a12 <= 6) && a18 <= 594506) && a16 <= 11) && 6 <= a12)) || (((((a15 == 3 && 12 <= a16) && 0 <= a18 + 87) && a18 <= 83) && a12 <= 6) && 6 <= a12)) || (((((a15 == 3 && a18 + 79 <= 0) && a12 <= 6) && 0 < a18 + 156) && 6 <= a12) && a16 == 8)) || (((a15 == 3 && 12 <= a16) && a18 <= 83) && a12 == 8)) || (((((a15 == 3 && a16 == 11) && a12 <= 7) && a18 <= 134) && !(a12 == 6)) && 6 <= a12)) || (((((a15 == 3 && 12 <= a16) && (!(a12 == 6) || 134 < a18)) && a12 <= 7) && a18 <= 132) && 6 <= a12)) || ((((a18 <= 600002 && a16 == 10) && 0 < (a18 + -599175) / 3 + 156) && a15 == 4) && 5 == a12)) || (((a12 == 9 && a16 == 9) && a15 == 4) && a18 <= 83)) || (((((a15 == 3 && 12 <= a16) && a18 <= 594508) && a12 <= 6) && (a18 * -1 + -1) / 2 + 80 <= 0) && 6 <= a12)) || ((((((a12 == 9 && !(7 == a12)) && a15 == 3) && 7 <= a12) && a18 + 156 <= 0) && a16 <= 11) && a16 == 8)) || (((a15 == 3 && a12 == 8) && a18 <= 594506) && (a18 * -1 + -1) / 2 + 80 <= 0)) || ((((0 <= a18 + 87 && a15 == 4) && a12 == 8) && a18 <= 132) && a16 == 8)) || (((((a15 == 3 && !(6 == input)) && a18 <= 134) && a16 == 12) && 5 == a12) && 0 < a18 + 156)) || ((((a12 == 9 && a15 == 3) && a16 == 11) && 0 <= a18 + 87) && a18 <= 134)) || (((a15 == 4 && a18 <= 83) && a16 <= 11) && 5 == a12)) || (((a12 == 9 && a15 == 4) && a18 <= 594506) && a16 == 8)) || (((((a15 == 3 && a16 == 9) && !(7 == a12)) && 7 <= a12) && 0 <= a18 + 87) && a18 <= 594506)) || ((((a15 == 4 && a12 <= 6) && a16 <= 11) && a18 + 292384 <= 0) && 6 <= a12)) || (((((a15 == 3 && 0 <= a18 + 87) && a18 <= 594506) && a16 <= 11) && !(a16 == 8)) && 5 == a12)) || ((((((a12 == 9 && !(7 == a12)) && a15 == 3) && 7 <= a12) && a16 == 11) && a18 + 156 <= 0) && a16 <= 11)) || (((((0 <= a18 + 87 && a15 == 4) && a12 <= 7) && a18 <= 134) && 6 <= a12) && a16 == 8)) || ((((a12 == 9 && a15 == 3) && a16 == 9) && a18 <= 600002) && 0 <= a18 + 87)) || (((a16 == 9 && a18 <= 83) && a15 == 4) && a12 == 8)) || (((a15 == 3 && 7 == a12) && a18 + 87 <= 0) && a16 == 8)) || (((a15 == 4 && a12 == 8) && a18 + 292384 <= 0) && a16 == 8)) || (a15 == 4 && ((a16 == 9 && ((((0 <= a18 + 87 && a12 <= 7) && a18 <= 134) && 6 <= a12) || ((a12 <= 7 && a18 + 156 <= 0) && 6 <= a12))) || (((a16 == 9 && 7 == a12) && (a18 * -1 + -1) / 2 + 80 <= 0) && a18 <= 597816)))) || (((a15 == 4 && a18 <= 132) && 5 == a12) && a16 == 8)) || (((((a15 == 4 && a18 <= 132) && a12 <= 6) && a16 <= 11) && !(a16 == 8)) && 6 <= a12)) || (((((a16 == 9 && !(7 == a12)) && a15 == 3) && 7 <= a12) && a18 + 156 <= 0) && a16 <= 11)) || ((((a12 == 9 && a15 == 3) && a18 <= 600002) && 0 <= a18 + 87) && a16 == 8)) || (((((!(a16 == 9) && a15 == 4) && a18 <= 83) && a16 <= 11) && a12 <= 5) && !(a16 == 8))) || (((a15 == 3 && a18 <= 134) && 5 == a12) && a16 == 8)) || (((a12 == 9 && a15 == 3) && 12 <= a16) && a18 <= 600002)) || ((((a15 == 3 && a18 <= 83) && a16 == 12) && 0 < a18 + 156) && 5 == a12)) || (((((a15 == 4 && a18 <= 594506) && (a18 * -1 + -1) / 2 + 80 <= 0) && !(3 == input)) && 5 == a12) && a16 == 8)) || (((((a12 <= 7 && (!(a12 == 6) || 134 < a18)) && a15 == 4) && a18 + 156 <= 0) && 6 <= a12) && a16 == 8)) || (((((a15 == 3 && a18 <= 600002) && !(6 == input)) && a16 == 12) && (a18 * -1 + -1) / 2 + 80 <= 0) && 5 == a12)) || (((((a15 == 3 && !(7 == a12)) && 7 <= a12) && 0 <= a18 + 87) && a18 <= 594506) && a16 == 8)) || (((((((a15 == 3 && !(6 == input)) && a16 == 11) && 0 <= a18 + 87) && a18 <= 83) && a12 <= 6) && !(5 == input)) && 6 <= a12) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((a12 == 9 && a16 == 9) && a18 <= 83) && a15 == 4) || (!(a16 == 9) && (((((a15 == 3 && a18 <= 600002) && a12 == 8) && a16 <= 11) && !(a16 == 8)) || ((a15 == 3 && a12 == 8) && a18 + 87 <= 0)))) || (((a12 == 6 && a15 == 3) && a18 <= 600002) && a16 == 8)) || ((((0 <= a18 + 87 && a15 == 4) && a18 <= 132) && a12 == 8) && a16 == 8)) || (((((a15 == 3 && 12 <= a16) && 0 <= a18 + 87) && a18 <= 83) && a12 <= 6) && 6 <= a12)) || (((((a15 == 3 && 12 <= a16) && a12 <= 7) && (!(a12 == 6) || 134 < a18)) && a18 <= 132) && 6 <= a12)) || (((a16 == 9 && a15 == 3) && a18 <= 600002) && 7 == a12)) || (((a15 == 3 && 12 <= a16) && a18 <= 83) && a12 == 8)) || ((((a18 <= 600002 && a16 == 10) && 0 < (a18 + -599175) / 3 + 156) && a15 == 4) && 5 == a12)) || (((((a15 == 3 && a16 == 11) && a12 <= 7) && a18 <= 134) && !(a12 == 6)) && 6 <= a12)) || (((((a15 == 3 && 12 <= a16) && a18 <= 594508) && a12 <= 6) && (a18 * -1 + -1) / 2 + 80 <= 0) && 6 <= a12)) || (((((a16 == 9 && 7 == a12) && (a18 * -1 + -1) / 2 + 80 <= 0) && a18 <= 597816) || (a16 == 9 && ((7 == a12 && a18 + 156 <= 0) || ((7 == a12 && 0 <= a18 + 87) && a18 <= 134)))) && a15 == 4)) || (((a16 == 9 && a15 == 3) && a18 <= 600002) && 5 == a12)) || ((((((a12 == 9 && !(7 == a12)) && a15 == 3) && 7 <= a12) && a18 + 156 <= 0) && a16 <= 11) && a16 == 8)) || (((a16 == 9 && a18 <= 83) && a15 == 4) && 5 == a12)) || (((a15 == 3 && a12 == 8) && a18 <= 594506) && (a18 * -1 + -1) / 2 + 80 <= 0)) || ((((((((a12 == 9 && a15 == 3) && !(7 == a12)) && 7 <= a12) && a16 == 11) && 0 <= a18 + 87) && a18 <= 134) && a18 <= 594506) && a16 <= 11)) || ((((a16 == 9 && a15 == 4) && a12 <= 6) && a18 <= 134) && 6 <= a12)) || (((((a15 == 3 && !(6 == input)) && a18 <= 134) && a16 == 12) && 5 == a12) && 0 < a18 + 156)) || (((a12 == 9 && a15 == 4) && a18 <= 594506) && a16 == 8)) || ((((a15 == 4 && a12 <= 6) && a18 + 292384 <= 0) && 6 <= a12) && a16 == 8)) || (((((a15 == 3 && 0 <= a18 + 87) && a18 <= 594506) && a16 <= 11) && !(a16 == 8)) && 5 == a12)) || (((((0 <= a18 + 87 && a12 <= 7) && a15 == 4) && a18 <= 134) && 6 <= a12) && a16 == 8)) || ((((((a12 == 9 && !(7 == a12)) && a15 == 3) && 7 <= a12) && a16 == 11) && a18 + 156 <= 0) && a16 <= 11)) || ((((((a12 == 9 && a15 == 3) && a18 <= 600002) && 7 <= a12) && 0 <= a18 + 87) && a16 <= 11) && a16 == 8)) || ((((((a16 == 9 && a15 == 3) && !(7 == a12)) && 7 <= a12) && 0 <= a18 + 87) && a18 <= 594506) && a16 <= 11)) || (((a16 == 9 && a18 <= 83) && a15 == 4) && a12 == 8)) || (((a15 == 3 && 7 == a12) && a18 + 87 <= 0) && a16 == 8)) || (((a15 == 4 && a12 == 8) && a18 + 292384 <= 0) && a16 == 8)) || (((a15 == 4 && a18 <= 132) && 5 == a12) && a16 == 8)) || (((((a15 == 4 && a18 <= 132) && a12 <= 6) && a16 <= 11) && !(a16 == 8)) && 6 <= a12)) || ((((((a15 == 3 && !(7 == a12)) && 7 <= a12) && 0 <= a18 + 87) && a18 <= 594506) && a16 <= 11) && a16 == 8)) || (((((a16 == 9 && !(7 == a12)) && a15 == 3) && 7 <= a12) && a18 + 156 <= 0) && a16 <= 11)) || (((((!(a16 == 9) && a15 == 4) && a18 <= 83) && a16 <= 11) && a12 <= 5) && !(a16 == 8))) || (((a12 == 9 && a15 == 3) && 12 <= a16) && a18 <= 600002)) || ((((((!(a16 == 9) && (!(a12 == 6) || 134 < a18)) && a15 == 4) && a12 <= 6) && a18 <= 594506) && a16 <= 11) && 6 <= a12)) || ((((a15 == 3 && a18 <= 83) && a16 == 12) && 0 < a18 + 156) && 5 == a12)) || (((a15 == 3 && a18 <= 134) && 5 == a12) && a16 == 8)) || (((((a15 == 4 && a18 <= 594506) && (a18 * -1 + -1) / 2 + 80 <= 0) && !(3 == input)) && 5 == a12) && a16 == 8)) || (((((a12 <= 7 && (!(a12 == 6) || 134 < a18)) && a15 == 4) && a18 + 156 <= 0) && 6 <= a12) && a16 == 8)) || (((a12 == 6 && a15 == 3) && a18 <= 600002) && a16 == 10)) || ((((((a12 == 9 && a15 == 3) && a16 == 9) && a18 <= 600002) && 7 <= a12) && 0 <= a18 + 87) && a16 <= 11)) || (((((((a15 == 3 && !(6 == input)) && a16 == 11) && 0 <= a18 + 87) && a18 <= 83) && a12 <= 6) && !(5 == input)) && 6 <= a12)) || (((((a15 == 3 && a18 <= 600002) && !(6 == input)) && a16 == 12) && (a18 * -1 + -1) / 2 + 80 <= 0) && 5 == a12) - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((a12 == 9 && a16 == 9) && a18 <= 83) && a15 == 4) || (!(a16 == 9) && (((((a15 == 3 && a18 <= 600002) && a12 == 8) && a16 <= 11) && !(a16 == 8)) || ((a15 == 3 && a12 == 8) && a18 + 87 <= 0)))) || (((a12 == 6 && a15 == 3) && a18 <= 600002) && a16 == 8)) || ((((0 <= a18 + 87 && a15 == 4) && a18 <= 132) && a12 == 8) && a16 == 8)) || (((((a15 == 3 && 12 <= a16) && 0 <= a18 + 87) && a18 <= 83) && a12 <= 6) && 6 <= a12)) || (((((a15 == 3 && 12 <= a16) && a12 <= 7) && (!(a12 == 6) || 134 < a18)) && a18 <= 132) && 6 <= a12)) || (((a16 == 9 && a15 == 3) && a18 <= 600002) && 7 == a12)) || (((a15 == 3 && 12 <= a16) && a18 <= 83) && a12 == 8)) || ((((a18 <= 600002 && a16 == 10) && 0 < (a18 + -599175) / 3 + 156) && a15 == 4) && 5 == a12)) || (((((a15 == 3 && a16 == 11) && a12 <= 7) && a18 <= 134) && !(a12 == 6)) && 6 <= a12)) || (((((a15 == 3 && 12 <= a16) && a18 <= 594508) && a12 <= 6) && (a18 * -1 + -1) / 2 + 80 <= 0) && 6 <= a12)) || (((((a16 == 9 && 7 == a12) && (a18 * -1 + -1) / 2 + 80 <= 0) && a18 <= 597816) || (a16 == 9 && ((7 == a12 && a18 + 156 <= 0) || ((7 == a12 && 0 <= a18 + 87) && a18 <= 134)))) && a15 == 4)) || (((a16 == 9 && a15 == 3) && a18 <= 600002) && 5 == a12)) || ((((((a12 == 9 && !(7 == a12)) && a15 == 3) && 7 <= a12) && a18 + 156 <= 0) && a16 <= 11) && a16 == 8)) || (((a16 == 9 && a18 <= 83) && a15 == 4) && 5 == a12)) || (((a15 == 3 && a12 == 8) && a18 <= 594506) && (a18 * -1 + -1) / 2 + 80 <= 0)) || ((((((((a12 == 9 && a15 == 3) && !(7 == a12)) && 7 <= a12) && a16 == 11) && 0 <= a18 + 87) && a18 <= 134) && a18 <= 594506) && a16 <= 11)) || ((((a16 == 9 && a15 == 4) && a12 <= 6) && a18 <= 134) && 6 <= a12)) || (((((a15 == 3 && !(6 == input)) && a18 <= 134) && a16 == 12) && 5 == a12) && 0 < a18 + 156)) || (((a12 == 9 && a15 == 4) && a18 <= 594506) && a16 == 8)) || ((((a15 == 4 && a12 <= 6) && a18 + 292384 <= 0) && 6 <= a12) && a16 == 8)) || (((((a15 == 3 && 0 <= a18 + 87) && a18 <= 594506) && a16 <= 11) && !(a16 == 8)) && 5 == a12)) || (((((0 <= a18 + 87 && a12 <= 7) && a15 == 4) && a18 <= 134) && 6 <= a12) && a16 == 8)) || ((((((a12 == 9 && !(7 == a12)) && a15 == 3) && 7 <= a12) && a16 == 11) && a18 + 156 <= 0) && a16 <= 11)) || ((((((a12 == 9 && a15 == 3) && a18 <= 600002) && 7 <= a12) && 0 <= a18 + 87) && a16 <= 11) && a16 == 8)) || ((((((a16 == 9 && a15 == 3) && !(7 == a12)) && 7 <= a12) && 0 <= a18 + 87) && a18 <= 594506) && a16 <= 11)) || (((a16 == 9 && a18 <= 83) && a15 == 4) && a12 == 8)) || (((a15 == 3 && 7 == a12) && a18 + 87 <= 0) && a16 == 8)) || (((a15 == 4 && a12 == 8) && a18 + 292384 <= 0) && a16 == 8)) || (((a15 == 4 && a18 <= 132) && 5 == a12) && a16 == 8)) || (((((a15 == 4 && a18 <= 132) && a12 <= 6) && a16 <= 11) && !(a16 == 8)) && 6 <= a12)) || ((((((a15 == 3 && !(7 == a12)) && 7 <= a12) && 0 <= a18 + 87) && a18 <= 594506) && a16 <= 11) && a16 == 8)) || (((((a16 == 9 && !(7 == a12)) && a15 == 3) && 7 <= a12) && a18 + 156 <= 0) && a16 <= 11)) || (((((!(a16 == 9) && a15 == 4) && a18 <= 83) && a16 <= 11) && a12 <= 5) && !(a16 == 8))) || (((a12 == 9 && a15 == 3) && 12 <= a16) && a18 <= 600002)) || ((((((!(a16 == 9) && (!(a12 == 6) || 134 < a18)) && a15 == 4) && a12 <= 6) && a18 <= 594506) && a16 <= 11) && 6 <= a12)) || ((((a15 == 3 && a18 <= 83) && a16 == 12) && 0 < a18 + 156) && 5 == a12)) || (((a15 == 3 && a18 <= 134) && 5 == a12) && a16 == 8)) || (((((a15 == 4 && a18 <= 594506) && (a18 * -1 + -1) / 2 + 80 <= 0) && !(3 == input)) && 5 == a12) && a16 == 8)) || (((((a12 <= 7 && (!(a12 == 6) || 134 < a18)) && a15 == 4) && a18 + 156 <= 0) && 6 <= a12) && a16 == 8)) || (((a12 == 6 && a15 == 3) && a18 <= 600002) && a16 == 10)) || ((((((a12 == 9 && a15 == 3) && a16 == 9) && a18 <= 600002) && 7 <= a12) && 0 <= a18 + 87) && a16 <= 11)) || (((((((a15 == 3 && !(6 == input)) && a16 == 11) && 0 <= a18 + 87) && a18 <= 83) && a12 <= 6) && !(5 == input)) && 6 <= a12)) || (((((a15 == 3 && a18 <= 600002) && !(6 == input)) && a16 == 12) && (a18 * -1 + -1) / 2 + 80 <= 0) && 5 == a12) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 397 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 234.8s, OverallIterations: 32, TraceHistogramMax: 15, AutomataDifference: 115.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 30.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 8660 SDtfs, 20646 SDslu, 860 SDs, 0 SdLazy, 73208 SolverSat, 5635 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 67.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16217 GetRequests, 16028 SyntacticMatches, 4 SemanticMatches, 185 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1339 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29674occurred in iteration=16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 7.1s AutomataMinimizationTime, 32 MinimizatonAttempts, 31509 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 415 NumberOfFragments, 2719 HoareAnnotationTreeSize, 4 FomulaSimplifications, 252592 FormulaSimplificationTreeSizeReduction, 4.5s HoareSimplificationTime, 4 FomulaSimplificationsInter, 98216 FormulaSimplificationTreeSizeReductionInter, 26.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.8s SsaConstructionTime, 5.9s SatisfiabilityAnalysisTime, 43.8s InterpolantComputationTime, 52141 NumberOfCodeBlocks, 52141 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 52097 ConstructedInterpolants, 59 QuantifiedInterpolants, 218546598 SizeOfPredicates, 15 NumberOfNonLiveVariables, 18654 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 44 InterpolantComputations, 26 PerfectInterpolantSequences, 160544/173556 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...