./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label06.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_32749c9e-803c-4643-adfc-3a6c3fa4d0b8/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_32749c9e-803c-4643-adfc-3a6c3fa4d0b8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_32749c9e-803c-4643-adfc-3a6c3fa4d0b8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_32749c9e-803c-4643-adfc-3a6c3fa4d0b8/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label06.c -s /tmp/vcloud-vcloud-master/worker/run_dir_32749c9e-803c-4643-adfc-3a6c3fa4d0b8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_32749c9e-803c-4643-adfc-3a6c3fa4d0b8/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 bdf3cc6adb4b0980aa9409bf67d6cc54080e6828 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 19:15:22,665 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:15:22,667 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:15:22,748 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:15:22,750 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:15:22,757 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:15:22,760 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:15:22,762 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:15:22,765 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:15:22,766 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:15:22,768 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:15:22,772 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:15:22,772 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:15:22,780 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:15:22,782 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:15:22,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:15:22,786 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:15:22,789 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:15:22,796 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:15:22,798 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:15:22,805 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:15:22,807 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:15:22,809 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:15:22,810 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:15:22,816 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:15:22,817 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:15:22,817 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:15:22,819 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:15:22,820 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:15:22,821 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:15:22,821 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:15:22,822 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:15:22,824 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:15:22,825 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:15:22,827 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:15:22,827 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:15:22,828 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:15:22,828 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:15:22,828 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:15:22,829 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:15:22,830 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:15:22,832 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_32749c9e-803c-4643-adfc-3a6c3fa4d0b8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 19:15:22,872 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:15:22,876 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:15:22,879 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:15:22,879 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:15:22,879 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:15:22,879 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:15:22,880 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:15:22,880 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:15:22,880 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:15:22,880 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:15:22,882 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:15:22,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:15:22,882 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:15:22,882 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:15:22,883 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:15:22,883 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:15:22,883 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:15:22,883 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:15:22,884 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:15:22,884 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:15:22,884 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 19:15:22,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:15:22,885 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:15:22,885 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:15:22,885 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:15:22,885 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:15:22,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:15:22,886 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:15:22,886 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:15:22,886 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_32749c9e-803c-4643-adfc-3a6c3fa4d0b8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_32749c9e-803c-4643-adfc-3a6c3fa4d0b8/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bdf3cc6adb4b0980aa9409bf67d6cc54080e6828 [2020-11-29 19:15:23,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:15:23,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:15:23,216 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:15:23,218 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:15:23,218 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:15:23,220 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_32749c9e-803c-4643-adfc-3a6c3fa4d0b8/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem11_label06.c [2020-11-29 19:15:23,299 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_32749c9e-803c-4643-adfc-3a6c3fa4d0b8/bin/uautomizer/data/6d75bbb24/0d30c8150b5f45f1914d2b89d7c3d868/FLAGb22b8e396 [2020-11-29 19:15:24,109 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:15:24,110 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_32749c9e-803c-4643-adfc-3a6c3fa4d0b8/sv-benchmarks/c/eca-rers2012/Problem11_label06.c [2020-11-29 19:15:24,132 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_32749c9e-803c-4643-adfc-3a6c3fa4d0b8/bin/uautomizer/data/6d75bbb24/0d30c8150b5f45f1914d2b89d7c3d868/FLAGb22b8e396 [2020-11-29 19:15:24,287 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_32749c9e-803c-4643-adfc-3a6c3fa4d0b8/bin/uautomizer/data/6d75bbb24/0d30c8150b5f45f1914d2b89d7c3d868 [2020-11-29 19:15:24,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:15:24,291 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:15:24,293 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:15:24,294 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:15:24,297 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:15:24,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:15:24" (1/1) ... [2020-11-29 19:15:24,300 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@682f92d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:15:24, skipping insertion in model container [2020-11-29 19:15:24,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:15:24" (1/1) ... [2020-11-29 19:15:24,309 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:15:24,367 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:15:25,047 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:15:25,056 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:15:25,286 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:15:25,302 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:15:25,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:15:25 WrapperNode [2020-11-29 19:15:25,303 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:15:25,304 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:15:25,305 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:15:25,305 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:15:25,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:15:25" (1/1) ... [2020-11-29 19:15:25,341 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:15:25" (1/1) ... [2020-11-29 19:15:25,509 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:15:25,511 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:15:25,511 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:15:25,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:15:25,521 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:15:25" (1/1) ... [2020-11-29 19:15:25,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:15:25" (1/1) ... [2020-11-29 19:15:25,551 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:15:25" (1/1) ... [2020-11-29 19:15:25,551 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:15:25" (1/1) ... [2020-11-29 19:15:25,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:15:25" (1/1) ... [2020-11-29 19:15:25,711 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:15:25" (1/1) ... [2020-11-29 19:15:25,740 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:15:25" (1/1) ... [2020-11-29 19:15:25,758 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:15:25,760 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:15:25,760 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:15:25,761 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:15:25,762 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:15:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32749c9e-803c-4643-adfc-3a6c3fa4d0b8/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:15:25,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:15:25,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:15:25,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:15:25,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:15:28,090 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:15:28,093 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 19:15:28,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:15:28 BoogieIcfgContainer [2020-11-29 19:15:28,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:15:28,099 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 19:15:28,100 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 19:15:28,103 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 19:15:28,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:15:24" (1/3) ... [2020-11-29 19:15:28,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a1ee5a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:15:28, skipping insertion in model container [2020-11-29 19:15:28,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:15:25" (2/3) ... [2020-11-29 19:15:28,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a1ee5a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:15:28, skipping insertion in model container [2020-11-29 19:15:28,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:15:28" (3/3) ... [2020-11-29 19:15:28,107 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label06.c [2020-11-29 19:15:28,119 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 19:15:28,124 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 19:15:28,138 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 19:15:28,174 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 19:15:28,174 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 19:15:28,174 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 19:15:28,175 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:15:28,175 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:15:28,175 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 19:15:28,175 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:15:28,175 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 19:15:28,199 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states. [2020-11-29 19:15:28,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-11-29 19:15:28,212 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:15:28,212 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:15:28,213 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:15:28,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:15:28,221 INFO L82 PathProgramCache]: Analyzing trace with hash -696204111, now seen corresponding path program 1 times [2020-11-29 19:15:28,230 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:15:28,231 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421950418] [2020-11-29 19:15:28,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:15:28,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:15:28,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:15:28,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421950418] [2020-11-29 19:15:28,585 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:15:28,585 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:15:28,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833035687] [2020-11-29 19:15:28,591 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:15:28,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:15:28,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:15:28,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:15:28,608 INFO L87 Difference]: Start difference. First operand 284 states. Second operand 3 states. [2020-11-29 19:15:30,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:15:30,484 INFO L93 Difference]: Finished difference Result 770 states and 1361 transitions. [2020-11-29 19:15:30,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:15:30,486 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2020-11-29 19:15:30,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:15:30,505 INFO L225 Difference]: With dead ends: 770 [2020-11-29 19:15:30,505 INFO L226 Difference]: Without dead ends: 422 [2020-11-29 19:15:30,512 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:15:30,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2020-11-29 19:15:30,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 412. [2020-11-29 19:15:30,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2020-11-29 19:15:30,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 626 transitions. [2020-11-29 19:15:30,602 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 626 transitions. Word has length 63 [2020-11-29 19:15:30,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:15:30,604 INFO L481 AbstractCegarLoop]: Abstraction has 412 states and 626 transitions. [2020-11-29 19:15:30,604 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:15:30,605 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 626 transitions. [2020-11-29 19:15:30,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-11-29 19:15:30,619 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:15:30,620 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:15:30,620 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 19:15:30,621 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:15:30,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:15:30,623 INFO L82 PathProgramCache]: Analyzing trace with hash -269381167, now seen corresponding path program 1 times [2020-11-29 19:15:30,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:15:30,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706984347] [2020-11-29 19:15:30,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:15:30,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:15:30,889 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:15:30,889 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706984347] [2020-11-29 19:15:30,889 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:15:30,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:15:30,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060415035] [2020-11-29 19:15:30,891 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:15:30,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:15:30,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:15:30,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:15:30,894 INFO L87 Difference]: Start difference. First operand 412 states and 626 transitions. Second operand 3 states. [2020-11-29 19:15:32,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:15:32,139 INFO L93 Difference]: Finished difference Result 1199 states and 1829 transitions. [2020-11-29 19:15:32,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:15:32,140 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 129 [2020-11-29 19:15:32,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:15:32,148 INFO L225 Difference]: With dead ends: 1199 [2020-11-29 19:15:32,148 INFO L226 Difference]: Without dead ends: 789 [2020-11-29 19:15:32,151 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:15:32,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2020-11-29 19:15:32,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 789. [2020-11-29 19:15:32,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2020-11-29 19:15:32,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1083 transitions. [2020-11-29 19:15:32,229 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1083 transitions. Word has length 129 [2020-11-29 19:15:32,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:15:32,230 INFO L481 AbstractCegarLoop]: Abstraction has 789 states and 1083 transitions. [2020-11-29 19:15:32,230 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:15:32,230 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1083 transitions. [2020-11-29 19:15:32,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-11-29 19:15:32,232 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:15:32,232 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:15:32,232 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 19:15:32,233 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:15:32,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:15:32,233 INFO L82 PathProgramCache]: Analyzing trace with hash 1370181851, now seen corresponding path program 1 times [2020-11-29 19:15:32,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:15:32,234 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721805583] [2020-11-29 19:15:32,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:15:32,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:15:32,472 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:15:32,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721805583] [2020-11-29 19:15:32,472 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:15:32,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:15:32,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411935341] [2020-11-29 19:15:32,474 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:15:32,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:15:32,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:15:32,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:15:32,475 INFO L87 Difference]: Start difference. First operand 789 states and 1083 transitions. Second operand 3 states. [2020-11-29 19:15:33,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:15:33,650 INFO L93 Difference]: Finished difference Result 2314 states and 3181 transitions. [2020-11-29 19:15:33,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:15:33,651 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2020-11-29 19:15:33,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:15:33,661 INFO L225 Difference]: With dead ends: 2314 [2020-11-29 19:15:33,661 INFO L226 Difference]: Without dead ends: 1527 [2020-11-29 19:15:33,663 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:15:33,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1527 states. [2020-11-29 19:15:33,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1527 to 1526. [2020-11-29 19:15:33,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1526 states. [2020-11-29 19:15:33,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 1856 transitions. [2020-11-29 19:15:33,710 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 1856 transitions. Word has length 133 [2020-11-29 19:15:33,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:15:33,711 INFO L481 AbstractCegarLoop]: Abstraction has 1526 states and 1856 transitions. [2020-11-29 19:15:33,711 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:15:33,711 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1856 transitions. [2020-11-29 19:15:33,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-11-29 19:15:33,715 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:15:33,716 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, 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] [2020-11-29 19:15:33,716 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 19:15:33,716 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:15:33,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:15:33,717 INFO L82 PathProgramCache]: Analyzing trace with hash -1160293443, now seen corresponding path program 1 times [2020-11-29 19:15:33,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:15:33,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835039978] [2020-11-29 19:15:33,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:15:33,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:15:33,893 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:15:33,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835039978] [2020-11-29 19:15:33,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:15:33,893 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:15:33,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633400963] [2020-11-29 19:15:33,895 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:15:33,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:15:33,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:15:33,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:15:33,897 INFO L87 Difference]: Start difference. First operand 1526 states and 1856 transitions. Second operand 3 states. [2020-11-29 19:15:35,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:15:35,295 INFO L93 Difference]: Finished difference Result 3614 states and 4469 transitions. [2020-11-29 19:15:35,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:15:35,296 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 190 [2020-11-29 19:15:35,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:15:35,314 INFO L225 Difference]: With dead ends: 3614 [2020-11-29 19:15:35,314 INFO L226 Difference]: Without dead ends: 2274 [2020-11-29 19:15:35,317 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:15:35,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2274 states. [2020-11-29 19:15:35,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2274 to 1897. [2020-11-29 19:15:35,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1897 states. [2020-11-29 19:15:35,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1897 states to 1897 states and 2305 transitions. [2020-11-29 19:15:35,369 INFO L78 Accepts]: Start accepts. Automaton has 1897 states and 2305 transitions. Word has length 190 [2020-11-29 19:15:35,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:15:35,372 INFO L481 AbstractCegarLoop]: Abstraction has 1897 states and 2305 transitions. [2020-11-29 19:15:35,372 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:15:35,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1897 states and 2305 transitions. [2020-11-29 19:15:35,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-11-29 19:15:35,377 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:15:35,378 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, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:15:35,378 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 19:15:35,378 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:15:35,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:15:35,379 INFO L82 PathProgramCache]: Analyzing trace with hash 66916988, now seen corresponding path program 1 times [2020-11-29 19:15:35,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:15:35,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699845264] [2020-11-29 19:15:35,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:15:35,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:15:35,674 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-11-29 19:15:35,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699845264] [2020-11-29 19:15:35,674 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:15:35,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:15:35,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954596932] [2020-11-29 19:15:35,675 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:15:35,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:15:35,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:15:35,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:15:35,677 INFO L87 Difference]: Start difference. First operand 1897 states and 2305 transitions. Second operand 3 states. [2020-11-29 19:15:37,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:15:37,057 INFO L93 Difference]: Finished difference Result 4538 states and 5618 transitions. [2020-11-29 19:15:37,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:15:37,058 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 245 [2020-11-29 19:15:37,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:15:37,073 INFO L225 Difference]: With dead ends: 4538 [2020-11-29 19:15:37,074 INFO L226 Difference]: Without dead ends: 2643 [2020-11-29 19:15:37,076 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:15:37,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2643 states. [2020-11-29 19:15:37,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2643 to 2458. [2020-11-29 19:15:37,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2458 states. [2020-11-29 19:15:37,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2458 states to 2458 states and 3014 transitions. [2020-11-29 19:15:37,136 INFO L78 Accepts]: Start accepts. Automaton has 2458 states and 3014 transitions. Word has length 245 [2020-11-29 19:15:37,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:15:37,138 INFO L481 AbstractCegarLoop]: Abstraction has 2458 states and 3014 transitions. [2020-11-29 19:15:37,138 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:15:37,138 INFO L276 IsEmpty]: Start isEmpty. Operand 2458 states and 3014 transitions. [2020-11-29 19:15:37,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2020-11-29 19:15:37,144 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:15:37,145 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, 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] [2020-11-29 19:15:37,145 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 19:15:37,145 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:15:37,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:15:37,146 INFO L82 PathProgramCache]: Analyzing trace with hash 984282580, now seen corresponding path program 1 times [2020-11-29 19:15:37,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:15:37,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234201309] [2020-11-29 19:15:37,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:15:37,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:15:37,400 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-11-29 19:15:37,400 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234201309] [2020-11-29 19:15:37,400 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:15:37,401 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:15:37,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242186049] [2020-11-29 19:15:37,401 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:15:37,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:15:37,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:15:37,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:15:37,403 INFO L87 Difference]: Start difference. First operand 2458 states and 3014 transitions. Second operand 3 states. [2020-11-29 19:15:38,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:15:38,734 INFO L93 Difference]: Finished difference Result 5656 states and 7022 transitions. [2020-11-29 19:15:38,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:15:38,735 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 282 [2020-11-29 19:15:38,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:15:38,753 INFO L225 Difference]: With dead ends: 5656 [2020-11-29 19:15:38,754 INFO L226 Difference]: Without dead ends: 3200 [2020-11-29 19:15:38,757 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:15:38,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3200 states. [2020-11-29 19:15:38,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3200 to 3193. [2020-11-29 19:15:38,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3193 states. [2020-11-29 19:15:38,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3193 states to 3193 states and 3856 transitions. [2020-11-29 19:15:38,853 INFO L78 Accepts]: Start accepts. Automaton has 3193 states and 3856 transitions. Word has length 282 [2020-11-29 19:15:38,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:15:38,853 INFO L481 AbstractCegarLoop]: Abstraction has 3193 states and 3856 transitions. [2020-11-29 19:15:38,853 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:15:38,854 INFO L276 IsEmpty]: Start isEmpty. Operand 3193 states and 3856 transitions. [2020-11-29 19:15:38,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2020-11-29 19:15:38,864 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:15:38,864 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:15:38,865 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 19:15:38,865 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:15:38,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:15:38,866 INFO L82 PathProgramCache]: Analyzing trace with hash 109681797, now seen corresponding path program 1 times [2020-11-29 19:15:38,866 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:15:38,866 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26653110] [2020-11-29 19:15:38,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:15:38,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:15:39,285 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 245 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:15:39,285 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26653110] [2020-11-29 19:15:39,285 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:15:39,286 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:15:39,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433692045] [2020-11-29 19:15:39,286 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:15:39,287 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:15:39,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:15:39,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:15:39,287 INFO L87 Difference]: Start difference. First operand 3193 states and 3856 transitions. Second operand 4 states. [2020-11-29 19:15:41,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:15:41,250 INFO L93 Difference]: Finished difference Result 9727 states and 11990 transitions. [2020-11-29 19:15:41,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 19:15:41,250 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 323 [2020-11-29 19:15:41,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:15:41,280 INFO L225 Difference]: With dead ends: 9727 [2020-11-29 19:15:41,281 INFO L226 Difference]: Without dead ends: 6536 [2020-11-29 19:15:41,285 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:15:41,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6536 states. [2020-11-29 19:15:41,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6536 to 6533. [2020-11-29 19:15:41,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6533 states. [2020-11-29 19:15:41,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6533 states to 6533 states and 7982 transitions. [2020-11-29 19:15:41,428 INFO L78 Accepts]: Start accepts. Automaton has 6533 states and 7982 transitions. Word has length 323 [2020-11-29 19:15:41,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:15:41,429 INFO L481 AbstractCegarLoop]: Abstraction has 6533 states and 7982 transitions. [2020-11-29 19:15:41,429 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:15:41,429 INFO L276 IsEmpty]: Start isEmpty. Operand 6533 states and 7982 transitions. [2020-11-29 19:15:41,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2020-11-29 19:15:41,442 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:15:41,443 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, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:15:41,443 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 19:15:41,443 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:15:41,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:15:41,444 INFO L82 PathProgramCache]: Analyzing trace with hash -1439039644, now seen corresponding path program 1 times [2020-11-29 19:15:41,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:15:41,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833093422] [2020-11-29 19:15:41,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:15:41,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:15:41,738 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 346 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-11-29 19:15:41,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833093422] [2020-11-29 19:15:41,739 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:15:41,739 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:15:41,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747757281] [2020-11-29 19:15:41,740 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:15:41,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:15:41,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:15:41,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:15:41,741 INFO L87 Difference]: Start difference. First operand 6533 states and 7982 transitions. Second operand 3 states. [2020-11-29 19:15:42,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:15:42,767 INFO L93 Difference]: Finished difference Result 14348 states and 17763 transitions. [2020-11-29 19:15:42,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:15:42,768 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 342 [2020-11-29 19:15:42,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:15:42,804 INFO L225 Difference]: With dead ends: 14348 [2020-11-29 19:15:42,805 INFO L226 Difference]: Without dead ends: 8185 [2020-11-29 19:15:42,811 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:15:42,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8185 states. [2020-11-29 19:15:42,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8185 to 7075. [2020-11-29 19:15:42,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7075 states. [2020-11-29 19:15:42,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7075 states to 7075 states and 8430 transitions. [2020-11-29 19:15:42,991 INFO L78 Accepts]: Start accepts. Automaton has 7075 states and 8430 transitions. Word has length 342 [2020-11-29 19:15:42,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:15:42,992 INFO L481 AbstractCegarLoop]: Abstraction has 7075 states and 8430 transitions. [2020-11-29 19:15:42,992 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:15:42,992 INFO L276 IsEmpty]: Start isEmpty. Operand 7075 states and 8430 transitions. [2020-11-29 19:15:43,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2020-11-29 19:15:43,010 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:15:43,011 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:15:43,011 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 19:15:43,011 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:15:43,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:15:43,012 INFO L82 PathProgramCache]: Analyzing trace with hash -460394605, now seen corresponding path program 1 times [2020-11-29 19:15:43,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:15:43,013 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028574898] [2020-11-29 19:15:43,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:15:43,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:15:43,343 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 282 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2020-11-29 19:15:43,343 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028574898] [2020-11-29 19:15:43,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:15:43,344 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:15:43,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512421144] [2020-11-29 19:15:43,344 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:15:43,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:15:43,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:15:43,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:15:43,345 INFO L87 Difference]: Start difference. First operand 7075 states and 8430 transitions. Second operand 3 states. [2020-11-29 19:15:44,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:15:44,515 INFO L93 Difference]: Finished difference Result 13037 states and 15608 transitions. [2020-11-29 19:15:44,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:15:44,516 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 369 [2020-11-29 19:15:44,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:15:44,543 INFO L225 Difference]: With dead ends: 13037 [2020-11-29 19:15:44,543 INFO L226 Difference]: Without dead ends: 7072 [2020-11-29 19:15:44,550 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:15:44,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7072 states. [2020-11-29 19:15:44,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7072 to 7071. [2020-11-29 19:15:44,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7071 states. [2020-11-29 19:15:44,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7071 states to 7071 states and 8235 transitions. [2020-11-29 19:15:44,674 INFO L78 Accepts]: Start accepts. Automaton has 7071 states and 8235 transitions. Word has length 369 [2020-11-29 19:15:44,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:15:44,675 INFO L481 AbstractCegarLoop]: Abstraction has 7071 states and 8235 transitions. [2020-11-29 19:15:44,675 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:15:44,675 INFO L276 IsEmpty]: Start isEmpty. Operand 7071 states and 8235 transitions. [2020-11-29 19:15:44,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2020-11-29 19:15:44,690 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:15:44,691 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, 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, 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] [2020-11-29 19:15:44,691 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 19:15:44,691 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:15:44,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:15:44,692 INFO L82 PathProgramCache]: Analyzing trace with hash 2044398374, now seen corresponding path program 1 times [2020-11-29 19:15:44,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:15:44,692 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436383702] [2020-11-29 19:15:44,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:15:44,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:15:45,014 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 353 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-11-29 19:15:45,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436383702] [2020-11-29 19:15:45,015 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:15:45,017 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:15:45,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132091073] [2020-11-29 19:15:45,019 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:15:45,019 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:15:45,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:15:45,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:15:45,020 INFO L87 Difference]: Start difference. First operand 7071 states and 8235 transitions. Second operand 3 states. [2020-11-29 19:15:46,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:15:46,236 INFO L93 Difference]: Finished difference Result 14697 states and 17250 transitions. [2020-11-29 19:15:46,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:15:46,236 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 374 [2020-11-29 19:15:46,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:15:46,254 INFO L225 Difference]: With dead ends: 14697 [2020-11-29 19:15:46,254 INFO L226 Difference]: Without dead ends: 8736 [2020-11-29 19:15:46,260 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:15:46,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8736 states. [2020-11-29 19:15:46,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8736 to 8548. [2020-11-29 19:15:46,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8548 states. [2020-11-29 19:15:46,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8548 states to 8548 states and 9869 transitions. [2020-11-29 19:15:46,389 INFO L78 Accepts]: Start accepts. Automaton has 8548 states and 9869 transitions. Word has length 374 [2020-11-29 19:15:46,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:15:46,390 INFO L481 AbstractCegarLoop]: Abstraction has 8548 states and 9869 transitions. [2020-11-29 19:15:46,390 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:15:46,390 INFO L276 IsEmpty]: Start isEmpty. Operand 8548 states and 9869 transitions. [2020-11-29 19:15:46,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2020-11-29 19:15:46,403 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:15:46,404 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:15:46,405 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-29 19:15:46,405 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:15:46,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:15:46,406 INFO L82 PathProgramCache]: Analyzing trace with hash -84721034, now seen corresponding path program 1 times [2020-11-29 19:15:46,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:15:46,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189961908] [2020-11-29 19:15:46,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:15:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:15:46,840 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 464 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:15:46,840 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189961908] [2020-11-29 19:15:46,840 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:15:46,841 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 19:15:46,841 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564686437] [2020-11-29 19:15:46,842 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:15:46,842 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:15:46,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:15:46,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:15:46,844 INFO L87 Difference]: Start difference. First operand 8548 states and 9869 transitions. Second operand 4 states. [2020-11-29 19:15:48,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:15:48,837 INFO L93 Difference]: Finished difference Result 23392 states and 27288 transitions. [2020-11-29 19:15:48,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 19:15:48,837 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 388 [2020-11-29 19:15:48,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:15:48,864 INFO L225 Difference]: With dead ends: 23392 [2020-11-29 19:15:48,864 INFO L226 Difference]: Without dead ends: 15214 [2020-11-29 19:15:48,872 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:15:48,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15214 states. [2020-11-29 19:15:49,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15214 to 13548. [2020-11-29 19:15:49,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13548 states. [2020-11-29 19:15:49,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13548 states to 13548 states and 15527 transitions. [2020-11-29 19:15:49,072 INFO L78 Accepts]: Start accepts. Automaton has 13548 states and 15527 transitions. Word has length 388 [2020-11-29 19:15:49,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:15:49,073 INFO L481 AbstractCegarLoop]: Abstraction has 13548 states and 15527 transitions. [2020-11-29 19:15:49,073 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:15:49,073 INFO L276 IsEmpty]: Start isEmpty. Operand 13548 states and 15527 transitions. [2020-11-29 19:15:49,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2020-11-29 19:15:49,093 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:15:49,093 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-29 19:15:49,093 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-29 19:15:49,094 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:15:49,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:15:49,094 INFO L82 PathProgramCache]: Analyzing trace with hash 294261885, now seen corresponding path program 1 times [2020-11-29 19:15:49,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:15:49,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131247167] [2020-11-29 19:15:49,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:15:49,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:15:49,588 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 182 proven. 171 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2020-11-29 19:15:49,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131247167] [2020-11-29 19:15:49,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [487819834] [2020-11-29 19:15:49,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32749c9e-803c-4643-adfc-3a6c3fa4d0b8/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:15:49,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:15:49,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 19:15:49,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:15:49,983 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 19:15:50,016 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 19:15:50,060 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 19:15:50,603 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 413 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2020-11-29 19:15:50,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:15:50,604 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2020-11-29 19:15:50,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049362571] [2020-11-29 19:15:50,605 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 19:15:50,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:15:50,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 19:15:50,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-11-29 19:15:50,606 INFO L87 Difference]: Start difference. First operand 13548 states and 15527 transitions. Second operand 5 states. [2020-11-29 19:15:55,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:15:55,739 INFO L93 Difference]: Finished difference Result 33733 states and 39009 transitions. [2020-11-29 19:15:55,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 19:15:55,740 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 398 [2020-11-29 19:15:55,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:15:55,778 INFO L225 Difference]: With dead ends: 33733 [2020-11-29 19:15:55,778 INFO L226 Difference]: Without dead ends: 20555 [2020-11-29 19:15:55,792 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 395 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-11-29 19:15:55,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20555 states. [2020-11-29 19:15:56,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20555 to 20361. [2020-11-29 19:15:56,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20361 states. [2020-11-29 19:15:56,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20361 states to 20361 states and 23283 transitions. [2020-11-29 19:15:56,391 INFO L78 Accepts]: Start accepts. Automaton has 20361 states and 23283 transitions. Word has length 398 [2020-11-29 19:15:56,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:15:56,392 INFO L481 AbstractCegarLoop]: Abstraction has 20361 states and 23283 transitions. [2020-11-29 19:15:56,392 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 19:15:56,392 INFO L276 IsEmpty]: Start isEmpty. Operand 20361 states and 23283 transitions. [2020-11-29 19:15:56,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2020-11-29 19:15:56,423 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:15:56,424 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, 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, 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] [2020-11-29 19:15:56,652 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-11-29 19:15:56,652 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:15:56,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:15:56,653 INFO L82 PathProgramCache]: Analyzing trace with hash -125213611, now seen corresponding path program 1 times [2020-11-29 19:15:56,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:15:56,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765458358] [2020-11-29 19:15:56,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:15:56,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:15:57,141 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2020-11-29 19:15:57,142 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765458358] [2020-11-29 19:15:57,142 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:15:57,142 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:15:57,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189046415] [2020-11-29 19:15:57,143 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:15:57,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:15:57,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:15:57,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:15:57,147 INFO L87 Difference]: Start difference. First operand 20361 states and 23283 transitions. Second operand 3 states. [2020-11-29 19:15:58,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:15:58,235 INFO L93 Difference]: Finished difference Result 37940 states and 43403 transitions. [2020-11-29 19:15:58,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:15:58,236 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 403 [2020-11-29 19:15:58,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:15:58,275 INFO L225 Difference]: With dead ends: 37940 [2020-11-29 19:15:58,276 INFO L226 Difference]: Without dead ends: 19241 [2020-11-29 19:15:58,294 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:15:58,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19241 states. [2020-11-29 19:15:58,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19241 to 19235. [2020-11-29 19:15:58,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19235 states. [2020-11-29 19:15:58,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19235 states to 19235 states and 21915 transitions. [2020-11-29 19:15:58,598 INFO L78 Accepts]: Start accepts. Automaton has 19235 states and 21915 transitions. Word has length 403 [2020-11-29 19:15:58,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:15:58,599 INFO L481 AbstractCegarLoop]: Abstraction has 19235 states and 21915 transitions. [2020-11-29 19:15:58,600 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:15:58,600 INFO L276 IsEmpty]: Start isEmpty. Operand 19235 states and 21915 transitions. [2020-11-29 19:15:58,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2020-11-29 19:15:58,621 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:15:58,621 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, 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, 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] [2020-11-29 19:15:58,621 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-29 19:15:58,622 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:15:58,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:15:58,622 INFO L82 PathProgramCache]: Analyzing trace with hash -179606509, now seen corresponding path program 1 times [2020-11-29 19:15:58,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:15:58,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285005037] [2020-11-29 19:15:58,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:15:58,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:15:58,969 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 433 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2020-11-29 19:15:58,970 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285005037] [2020-11-29 19:15:58,970 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:15:58,970 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:15:58,970 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236875768] [2020-11-29 19:15:58,972 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:15:58,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:15:58,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:15:58,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:15:58,973 INFO L87 Difference]: Start difference. First operand 19235 states and 21915 transitions. Second operand 3 states. [2020-11-29 19:16:00,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:16:00,819 INFO L93 Difference]: Finished difference Result 41416 states and 47264 transitions. [2020-11-29 19:16:00,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:16:00,820 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 403 [2020-11-29 19:16:00,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:16:00,861 INFO L225 Difference]: With dead ends: 41416 [2020-11-29 19:16:00,861 INFO L226 Difference]: Without dead ends: 22551 [2020-11-29 19:16:00,874 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:16:00,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22551 states. [2020-11-29 19:16:01,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22551 to 22547. [2020-11-29 19:16:01,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22547 states. [2020-11-29 19:16:01,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22547 states to 22547 states and 25587 transitions. [2020-11-29 19:16:01,202 INFO L78 Accepts]: Start accepts. Automaton has 22547 states and 25587 transitions. Word has length 403 [2020-11-29 19:16:01,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:16:01,203 INFO L481 AbstractCegarLoop]: Abstraction has 22547 states and 25587 transitions. [2020-11-29 19:16:01,203 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:16:01,203 INFO L276 IsEmpty]: Start isEmpty. Operand 22547 states and 25587 transitions. [2020-11-29 19:16:01,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 487 [2020-11-29 19:16:01,237 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:16:01,237 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, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-29 19:16:01,237 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-29 19:16:01,238 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:16:01,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:16:01,238 INFO L82 PathProgramCache]: Analyzing trace with hash -1303857567, now seen corresponding path program 1 times [2020-11-29 19:16:01,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:16:01,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938267635] [2020-11-29 19:16:01,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:16:01,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:16:01,663 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2020-11-29 19:16:01,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938267635] [2020-11-29 19:16:01,664 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:16:01,664 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:16:01,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89045182] [2020-11-29 19:16:01,667 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:16:01,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:16:01,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:16:01,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:16:01,668 INFO L87 Difference]: Start difference. First operand 22547 states and 25587 transitions. Second operand 3 states. [2020-11-29 19:16:03,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:16:03,307 INFO L93 Difference]: Finished difference Result 45271 states and 51422 transitions. [2020-11-29 19:16:03,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:16:03,308 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 486 [2020-11-29 19:16:03,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:16:03,348 INFO L225 Difference]: With dead ends: 45271 [2020-11-29 19:16:03,348 INFO L226 Difference]: Without dead ends: 22912 [2020-11-29 19:16:03,364 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:16:03,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22912 states. [2020-11-29 19:16:03,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22912 to 22169. [2020-11-29 19:16:03,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22169 states. [2020-11-29 19:16:03,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22169 states to 22169 states and 24699 transitions. [2020-11-29 19:16:03,686 INFO L78 Accepts]: Start accepts. Automaton has 22169 states and 24699 transitions. Word has length 486 [2020-11-29 19:16:03,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:16:03,686 INFO L481 AbstractCegarLoop]: Abstraction has 22169 states and 24699 transitions. [2020-11-29 19:16:03,686 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:16:03,687 INFO L276 IsEmpty]: Start isEmpty. Operand 22169 states and 24699 transitions. [2020-11-29 19:16:03,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 510 [2020-11-29 19:16:03,703 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:16:03,704 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, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-29 19:16:03,704 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-29 19:16:03,704 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:16:03,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:16:03,705 INFO L82 PathProgramCache]: Analyzing trace with hash 2022320504, now seen corresponding path program 1 times [2020-11-29 19:16:03,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:16:03,705 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299376825] [2020-11-29 19:16:03,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:16:03,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:16:04,966 INFO L134 CoverageAnalysis]: Checked inductivity of 824 backedges. 455 proven. 85 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2020-11-29 19:16:04,966 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299376825] [2020-11-29 19:16:04,966 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [377304125] [2020-11-29 19:16:04,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32749c9e-803c-4643-adfc-3a6c3fa4d0b8/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:16:05,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:16:05,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 19:16:05,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:16:05,454 INFO L134 CoverageAnalysis]: Checked inductivity of 824 backedges. 540 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2020-11-29 19:16:05,455 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:16:05,455 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-29 19:16:05,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234224072] [2020-11-29 19:16:05,456 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:16:05,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:16:05,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:16:05,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-29 19:16:05,457 INFO L87 Difference]: Start difference. First operand 22169 states and 24699 transitions. Second operand 3 states. [2020-11-29 19:16:06,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:16:06,715 INFO L93 Difference]: Finished difference Result 43602 states and 48596 transitions. [2020-11-29 19:16:06,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:16:06,717 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 509 [2020-11-29 19:16:06,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:16:06,745 INFO L225 Difference]: With dead ends: 43602 [2020-11-29 19:16:06,746 INFO L226 Difference]: Without dead ends: 23279 [2020-11-29 19:16:06,757 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 512 GetRequests, 508 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-29 19:16:06,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23279 states. [2020-11-29 19:16:07,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23279 to 22721. [2020-11-29 19:16:07,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22721 states. [2020-11-29 19:16:07,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22721 states to 22721 states and 25212 transitions. [2020-11-29 19:16:07,135 INFO L78 Accepts]: Start accepts. Automaton has 22721 states and 25212 transitions. Word has length 509 [2020-11-29 19:16:07,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:16:07,135 INFO L481 AbstractCegarLoop]: Abstraction has 22721 states and 25212 transitions. [2020-11-29 19:16:07,135 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:16:07,136 INFO L276 IsEmpty]: Start isEmpty. Operand 22721 states and 25212 transitions. [2020-11-29 19:16:07,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2020-11-29 19:16:07,150 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:16:07,151 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, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-29 19:16:07,351 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2020-11-29 19:16:07,354 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:16:07,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:16:07,356 INFO L82 PathProgramCache]: Analyzing trace with hash -54285245, now seen corresponding path program 1 times [2020-11-29 19:16:07,356 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:16:07,357 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747483743] [2020-11-29 19:16:07,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:16:07,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:16:08,620 INFO L134 CoverageAnalysis]: Checked inductivity of 824 backedges. 516 proven. 24 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2020-11-29 19:16:08,620 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747483743] [2020-11-29 19:16:08,621 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [173351573] [2020-11-29 19:16:08,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32749c9e-803c-4643-adfc-3a6c3fa4d0b8/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:16:08,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:16:08,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 19:16:08,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:16:09,150 INFO L134 CoverageAnalysis]: Checked inductivity of 824 backedges. 540 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2020-11-29 19:16:09,150 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:16:09,150 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2020-11-29 19:16:09,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446157959] [2020-11-29 19:16:09,151 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:16:09,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:16:09,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:16:09,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-11-29 19:16:09,153 INFO L87 Difference]: Start difference. First operand 22721 states and 25212 transitions. Second operand 4 states. [2020-11-29 19:16:11,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:16:11,358 INFO L93 Difference]: Finished difference Result 47830 states and 52936 transitions. [2020-11-29 19:16:11,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 19:16:11,359 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 510 [2020-11-29 19:16:11,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:16:11,384 INFO L225 Difference]: With dead ends: 47830 [2020-11-29 19:16:11,384 INFO L226 Difference]: Without dead ends: 25295 [2020-11-29 19:16:11,395 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 514 GetRequests, 508 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-11-29 19:16:11,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25295 states. [2020-11-29 19:16:11,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25295 to 22343. [2020-11-29 19:16:11,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22343 states. [2020-11-29 19:16:11,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22343 states to 22343 states and 24663 transitions. [2020-11-29 19:16:11,761 INFO L78 Accepts]: Start accepts. Automaton has 22343 states and 24663 transitions. Word has length 510 [2020-11-29 19:16:11,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:16:11,762 INFO L481 AbstractCegarLoop]: Abstraction has 22343 states and 24663 transitions. [2020-11-29 19:16:11,762 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:16:11,762 INFO L276 IsEmpty]: Start isEmpty. Operand 22343 states and 24663 transitions. [2020-11-29 19:16:11,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 538 [2020-11-29 19:16:11,790 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:16:11,791 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, 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, 3, 3, 3, 3, 3, 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] [2020-11-29 19:16:12,016 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-11-29 19:16:12,016 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:16:12,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:16:12,017 INFO L82 PathProgramCache]: Analyzing trace with hash -1680389733, now seen corresponding path program 1 times [2020-11-29 19:16:12,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:16:12,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405531545] [2020-11-29 19:16:12,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:16:12,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:16:12,620 INFO L134 CoverageAnalysis]: Checked inductivity of 890 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 647 trivial. 0 not checked. [2020-11-29 19:16:12,621 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405531545] [2020-11-29 19:16:12,621 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:16:12,621 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:16:12,621 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598680712] [2020-11-29 19:16:12,622 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:16:12,622 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:16:12,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:16:12,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:16:12,624 INFO L87 Difference]: Start difference. First operand 22343 states and 24663 transitions. Second operand 3 states. [2020-11-29 19:16:13,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:16:13,981 INFO L93 Difference]: Finished difference Result 46888 states and 51817 transitions. [2020-11-29 19:16:13,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:16:13,982 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 537 [2020-11-29 19:16:13,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:16:14,006 INFO L225 Difference]: With dead ends: 46888 [2020-11-29 19:16:14,006 INFO L226 Difference]: Without dead ends: 24915 [2020-11-29 19:16:14,016 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:16:14,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24915 states. [2020-11-29 19:16:14,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24915 to 17001. [2020-11-29 19:16:14,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17001 states. [2020-11-29 19:16:14,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17001 states to 17001 states and 18611 transitions. [2020-11-29 19:16:14,321 INFO L78 Accepts]: Start accepts. Automaton has 17001 states and 18611 transitions. Word has length 537 [2020-11-29 19:16:14,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:16:14,321 INFO L481 AbstractCegarLoop]: Abstraction has 17001 states and 18611 transitions. [2020-11-29 19:16:14,321 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:16:14,321 INFO L276 IsEmpty]: Start isEmpty. Operand 17001 states and 18611 transitions. [2020-11-29 19:16:14,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 732 [2020-11-29 19:16:14,343 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:16:14,344 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, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 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, 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] [2020-11-29 19:16:14,344 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-11-29 19:16:14,344 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:16:14,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:16:14,345 INFO L82 PathProgramCache]: Analyzing trace with hash 1493789412, now seen corresponding path program 1 times [2020-11-29 19:16:14,345 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:16:14,346 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446370161] [2020-11-29 19:16:14,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:16:14,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:16:14,907 INFO L134 CoverageAnalysis]: Checked inductivity of 1778 backedges. 1286 proven. 0 refuted. 0 times theorem prover too weak. 492 trivial. 0 not checked. [2020-11-29 19:16:14,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446370161] [2020-11-29 19:16:14,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:16:14,908 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:16:14,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634561799] [2020-11-29 19:16:14,909 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:16:14,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:16:14,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:16:14,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:16:14,910 INFO L87 Difference]: Start difference. First operand 17001 states and 18611 transitions. Second operand 3 states. [2020-11-29 19:16:16,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:16:16,073 INFO L93 Difference]: Finished difference Result 35493 states and 38878 transitions. [2020-11-29 19:16:16,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:16:16,073 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 731 [2020-11-29 19:16:16,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:16:16,094 INFO L225 Difference]: With dead ends: 35493 [2020-11-29 19:16:16,095 INFO L226 Difference]: Without dead ends: 18678 [2020-11-29 19:16:16,105 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:16:16,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18678 states. [2020-11-29 19:16:16,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18678 to 18289. [2020-11-29 19:16:16,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18289 states. [2020-11-29 19:16:16,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18289 states to 18289 states and 19927 transitions. [2020-11-29 19:16:16,388 INFO L78 Accepts]: Start accepts. Automaton has 18289 states and 19927 transitions. Word has length 731 [2020-11-29 19:16:16,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:16:16,389 INFO L481 AbstractCegarLoop]: Abstraction has 18289 states and 19927 transitions. [2020-11-29 19:16:16,389 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:16:16,389 INFO L276 IsEmpty]: Start isEmpty. Operand 18289 states and 19927 transitions. [2020-11-29 19:16:16,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 733 [2020-11-29 19:16:16,404 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:16:16,405 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, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 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, 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] [2020-11-29 19:16:16,405 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-11-29 19:16:16,405 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:16:16,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:16:16,406 INFO L82 PathProgramCache]: Analyzing trace with hash 1278521455, now seen corresponding path program 1 times [2020-11-29 19:16:16,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:16:16,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386645470] [2020-11-29 19:16:16,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:16:16,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:16:16,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1777 backedges. 1159 proven. 0 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2020-11-29 19:16:16,941 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386645470] [2020-11-29 19:16:16,941 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:16:16,942 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:16:16,942 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239627566] [2020-11-29 19:16:16,943 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:16:16,943 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:16:16,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:16:16,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:16:16,944 INFO L87 Difference]: Start difference. First operand 18289 states and 19927 transitions. Second operand 3 states. [2020-11-29 19:16:18,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:16:18,185 INFO L93 Difference]: Finished difference Result 34727 states and 37735 transitions. [2020-11-29 19:16:18,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:16:18,188 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 732 [2020-11-29 19:16:18,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:16:18,188 INFO L225 Difference]: With dead ends: 34727 [2020-11-29 19:16:18,188 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 19:16:18,198 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:16:18,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 19:16:18,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 19:16:18,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 19:16:18,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 19:16:18,198 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 732 [2020-11-29 19:16:18,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:16:18,199 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 19:16:18,199 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:16:18,199 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 19:16:18,199 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 19:16:18,199 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-11-29 19:16:18,201 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 19:16:18,597 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 153 [2020-11-29 19:16:18,978 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 153 [2020-11-29 19:16:20,051 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 139 DAG size of output: 69 [2020-11-29 19:16:20,873 WARN L193 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 69 [2020-11-29 19:16:20,876 INFO L274 CegarLoopResult]: For program point L498(lines 498 509) no Hoare annotation was computed. [2020-11-29 19:16:20,876 INFO L274 CegarLoopResult]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,876 INFO L274 CegarLoopResult]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2020-11-29 19:16:20,876 INFO L274 CegarLoopResult]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,876 INFO L274 CegarLoopResult]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,876 INFO L274 CegarLoopResult]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,876 INFO L274 CegarLoopResult]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,876 INFO L274 CegarLoopResult]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,876 INFO L274 CegarLoopResult]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,876 INFO L274 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-11-29 19:16:20,876 INFO L274 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-11-29 19:16:20,876 INFO L274 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-11-29 19:16:20,876 INFO L274 CegarLoopResult]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,877 INFO L274 CegarLoopResult]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,877 INFO L274 CegarLoopResult]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,877 INFO L274 CegarLoopResult]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,877 INFO L274 CegarLoopResult]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,877 INFO L274 CegarLoopResult]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,877 INFO L274 CegarLoopResult]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,877 INFO L274 CegarLoopResult]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,877 INFO L274 CegarLoopResult]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,877 INFO L274 CegarLoopResult]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,877 INFO L274 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-11-29 19:16:20,877 INFO L274 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-11-29 19:16:20,877 INFO L274 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-11-29 19:16:20,877 INFO L274 CegarLoopResult]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,877 INFO L274 CegarLoopResult]: For program point L768(lines 768 778) no Hoare annotation was computed. [2020-11-29 19:16:20,877 INFO L274 CegarLoopResult]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2020-11-29 19:16:20,877 INFO L274 CegarLoopResult]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,877 INFO L274 CegarLoopResult]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,877 INFO L274 CegarLoopResult]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,878 INFO L274 CegarLoopResult]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,878 INFO L274 CegarLoopResult]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,878 INFO L274 CegarLoopResult]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,878 INFO L274 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-11-29 19:16:20,878 INFO L274 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-11-29 19:16:20,878 INFO L274 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-11-29 19:16:20,878 INFO L274 CegarLoopResult]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,878 INFO L274 CegarLoopResult]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,878 INFO L274 CegarLoopResult]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,878 INFO L270 CegarLoopResult]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse6 (= ~a4~0 1))) (let ((.cse2 (<= (+ ~a29~0 28470) 0)) (.cse0 (<= ~a25~0 9)) (.cse9 (<= 0 (+ ~a23~0 41))) (.cse10 (<= 130 ~a29~0)) (.cse8 (<= 13 ~a25~0)) (.cse5 (= ~a25~0 12)) (.cse13 (= ~a25~0 11)) (.cse11 (<= ~a23~0 138)) (.cse7 (<= ~a29~0 140)) (.cse15 (not .cse6)) (.cse12 (< 0 (+ ~a23~0 43))) (.cse4 (<= ~a25~0 10)) (.cse1 (<= ~a23~0 312)) (.cse3 (<= ~a8~0 15)) (.cse14 (<= 0 (div (+ ~a29~0 (- 261)) 15)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse2 (or .cse4 .cse5) .cse3 .cse6) (and (= ~a25~0 10) .cse7 .cse3) (and .cse8 .cse6 .cse3) (and .cse9 .cse1 .cse3 .cse6) (and (<= (+ ~a29~0 554036) 0) .cse5 .cse3) (and .cse10 .cse5 .cse3) (and .cse0 .cse1 .cse6 .cse3) (and .cse3 .cse6 (<= 246 ~a29~0)) (and .cse9 .cse10 (<= ~a29~0 220) .cse3 .cse6) (and .cse4 .cse10 .cse6 .cse3) (and .cse11 .cse8 .cse12 .cse3) (and .cse1 .cse5 .cse3) (and .cse13 .cse1 .cse3 .cse14) (and .cse13 .cse7 .cse1 .cse15 .cse3) (and .cse11 .cse7 .cse15 .cse12 .cse3) (and .cse4 .cse1 .cse3 .cse14)))) [2020-11-29 19:16:20,878 INFO L274 CegarLoopResult]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,878 INFO L274 CegarLoopResult]: For program point L705(lines 705 715) no Hoare annotation was computed. [2020-11-29 19:16:20,879 INFO L274 CegarLoopResult]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2020-11-29 19:16:20,879 INFO L274 CegarLoopResult]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,879 INFO L274 CegarLoopResult]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,879 INFO L274 CegarLoopResult]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,879 INFO L274 CegarLoopResult]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,879 INFO L274 CegarLoopResult]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,879 INFO L274 CegarLoopResult]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,879 INFO L274 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-11-29 19:16:20,879 INFO L274 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-11-29 19:16:20,879 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-11-29 19:16:20,879 INFO L277 CegarLoopResult]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2020-11-29 19:16:20,879 INFO L274 CegarLoopResult]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,879 INFO L274 CegarLoopResult]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,879 INFO L274 CegarLoopResult]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,879 INFO L274 CegarLoopResult]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,879 INFO L274 CegarLoopResult]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,879 INFO L274 CegarLoopResult]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,879 INFO L274 CegarLoopResult]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,880 INFO L274 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-11-29 19:16:20,880 INFO L274 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-11-29 19:16:20,880 INFO L274 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-11-29 19:16:20,880 INFO L274 CegarLoopResult]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,880 INFO L274 CegarLoopResult]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,880 INFO L274 CegarLoopResult]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,880 INFO L274 CegarLoopResult]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,880 INFO L274 CegarLoopResult]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,880 INFO L274 CegarLoopResult]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,880 INFO L274 CegarLoopResult]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,880 INFO L274 CegarLoopResult]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,880 INFO L274 CegarLoopResult]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,880 INFO L274 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-11-29 19:16:20,880 INFO L274 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-11-29 19:16:20,880 INFO L274 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-11-29 19:16:20,880 INFO L274 CegarLoopResult]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,881 INFO L270 CegarLoopResult]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse6 (= ~a4~0 1))) (let ((.cse2 (<= (+ ~a29~0 28470) 0)) (.cse0 (<= ~a25~0 9)) (.cse9 (<= 0 (+ ~a23~0 41))) (.cse10 (<= 130 ~a29~0)) (.cse8 (<= 13 ~a25~0)) (.cse5 (= ~a25~0 12)) (.cse13 (= ~a25~0 11)) (.cse11 (<= ~a23~0 138)) (.cse7 (<= ~a29~0 140)) (.cse15 (not .cse6)) (.cse12 (< 0 (+ ~a23~0 43))) (.cse4 (<= ~a25~0 10)) (.cse1 (<= ~a23~0 312)) (.cse3 (<= ~a8~0 15)) (.cse14 (<= 0 (div (+ ~a29~0 (- 261)) 15)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse2 (or .cse4 .cse5) .cse3 .cse6) (and (= ~a25~0 10) .cse7 .cse3) (and .cse8 .cse6 .cse3) (and .cse9 .cse1 .cse3 .cse6) (and (<= (+ ~a29~0 554036) 0) .cse5 .cse3) (and .cse10 .cse5 .cse3) (and .cse0 .cse1 .cse6 .cse3) (and .cse3 .cse6 (<= 246 ~a29~0)) (and .cse9 .cse10 (<= ~a29~0 220) .cse3 .cse6) (and .cse4 .cse10 .cse6 .cse3) (and .cse11 .cse8 .cse12 .cse3) (and .cse1 .cse5 .cse3) (and .cse13 .cse1 .cse3 .cse14) (and .cse13 .cse7 .cse1 .cse15 .cse3) (and .cse11 .cse7 .cse15 .cse12 .cse3) (and .cse4 .cse1 .cse3 .cse14)))) [2020-11-29 19:16:20,881 INFO L274 CegarLoopResult]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,881 INFO L274 CegarLoopResult]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,881 INFO L274 CegarLoopResult]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,881 INFO L274 CegarLoopResult]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,881 INFO L274 CegarLoopResult]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,881 INFO L274 CegarLoopResult]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,881 INFO L274 CegarLoopResult]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,882 INFO L274 CegarLoopResult]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,882 INFO L274 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-11-29 19:16:20,882 INFO L274 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-11-29 19:16:20,882 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-11-29 19:16:20,882 INFO L274 CegarLoopResult]: For program point L980(lines 980 990) no Hoare annotation was computed. [2020-11-29 19:16:20,882 INFO L274 CegarLoopResult]: For program point L914(lines 914 924) no Hoare annotation was computed. [2020-11-29 19:16:20,882 INFO L274 CegarLoopResult]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2020-11-29 19:16:20,882 INFO L274 CegarLoopResult]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2020-11-29 19:16:20,882 INFO L274 CegarLoopResult]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,882 INFO L274 CegarLoopResult]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,882 INFO L274 CegarLoopResult]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,882 INFO L274 CegarLoopResult]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,882 INFO L274 CegarLoopResult]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,882 INFO L274 CegarLoopResult]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,883 INFO L274 CegarLoopResult]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,883 INFO L274 CegarLoopResult]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,883 INFO L274 CegarLoopResult]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,883 INFO L274 CegarLoopResult]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,883 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 19:16:20,883 INFO L274 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-11-29 19:16:20,883 INFO L274 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-11-29 19:16:20,883 INFO L274 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-11-29 19:16:20,883 INFO L274 CegarLoopResult]: For program point L1049(line 1049) no Hoare annotation was computed. [2020-11-29 19:16:20,883 INFO L274 CegarLoopResult]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,883 INFO L274 CegarLoopResult]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,883 INFO L274 CegarLoopResult]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,883 INFO L274 CegarLoopResult]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,883 INFO L274 CegarLoopResult]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,883 INFO L274 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-11-29 19:16:20,883 INFO L274 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-11-29 19:16:20,883 INFO L274 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-11-29 19:16:20,883 INFO L274 CegarLoopResult]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,884 INFO L274 CegarLoopResult]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,884 INFO L274 CegarLoopResult]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,884 INFO L274 CegarLoopResult]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,884 INFO L274 CegarLoopResult]: For program point L525(lines 525 535) no Hoare annotation was computed. [2020-11-29 19:16:20,884 INFO L274 CegarLoopResult]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2020-11-29 19:16:20,884 INFO L274 CegarLoopResult]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,884 INFO L274 CegarLoopResult]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,884 INFO L274 CegarLoopResult]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,884 INFO L274 CegarLoopResult]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,884 INFO L274 CegarLoopResult]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,884 INFO L274 CegarLoopResult]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,884 INFO L274 CegarLoopResult]: For program point L658(lines 658 667) no Hoare annotation was computed. [2020-11-29 19:16:20,884 INFO L274 CegarLoopResult]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2020-11-29 19:16:20,885 INFO L274 CegarLoopResult]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,885 INFO L274 CegarLoopResult]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,885 INFO L274 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-11-29 19:16:20,885 INFO L274 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-11-29 19:16:20,885 INFO L274 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-11-29 19:16:20,885 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 19:16:20,885 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 19:16:20,886 INFO L274 CegarLoopResult]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,886 INFO L274 CegarLoopResult]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,886 INFO L274 CegarLoopResult]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,886 INFO L274 CegarLoopResult]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,886 INFO L274 CegarLoopResult]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,886 INFO L274 CegarLoopResult]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,886 INFO L274 CegarLoopResult]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,886 INFO L274 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-11-29 19:16:20,887 INFO L274 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-11-29 19:16:20,887 INFO L274 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-11-29 19:16:20,887 INFO L274 CegarLoopResult]: For program point L926(lines 926 936) no Hoare annotation was computed. [2020-11-29 19:16:20,887 INFO L274 CegarLoopResult]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2020-11-29 19:16:20,887 INFO L274 CegarLoopResult]: For program point L728(lines 728 740) no Hoare annotation was computed. [2020-11-29 19:16:20,887 INFO L274 CegarLoopResult]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2020-11-29 19:16:20,887 INFO L274 CegarLoopResult]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,887 INFO L274 CegarLoopResult]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,888 INFO L274 CegarLoopResult]: For program point L597(lines 597 607) no Hoare annotation was computed. [2020-11-29 19:16:20,888 INFO L274 CegarLoopResult]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2020-11-29 19:16:20,888 INFO L274 CegarLoopResult]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,888 INFO L274 CegarLoopResult]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,888 INFO L274 CegarLoopResult]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,888 INFO L274 CegarLoopResult]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,888 INFO L274 CegarLoopResult]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,888 INFO L274 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-11-29 19:16:20,889 INFO L274 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-11-29 19:16:20,889 INFO L274 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-11-29 19:16:20,889 INFO L274 CegarLoopResult]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,889 INFO L274 CegarLoopResult]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,889 INFO L274 CegarLoopResult]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,889 INFO L274 CegarLoopResult]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,889 INFO L274 CegarLoopResult]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,889 INFO L274 CegarLoopResult]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,890 INFO L274 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2020-11-29 19:16:20,890 INFO L274 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-11-29 19:16:20,890 INFO L274 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-11-29 19:16:20,890 INFO L274 CegarLoopResult]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,890 INFO L274 CegarLoopResult]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,890 INFO L274 CegarLoopResult]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,890 INFO L274 CegarLoopResult]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,890 INFO L274 CegarLoopResult]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,891 INFO L274 CegarLoopResult]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,891 INFO L274 CegarLoopResult]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,891 INFO L274 CegarLoopResult]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,891 INFO L274 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2020-11-29 19:16:20,891 INFO L274 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-11-29 19:16:20,891 INFO L274 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-11-29 19:16:20,891 INFO L274 CegarLoopResult]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,891 INFO L274 CegarLoopResult]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,892 INFO L274 CegarLoopResult]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,892 INFO L274 CegarLoopResult]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,892 INFO L274 CegarLoopResult]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,892 INFO L274 CegarLoopResult]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,892 INFO L274 CegarLoopResult]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,892 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-29 19:16:20,892 INFO L274 CegarLoopResult]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,892 INFO L274 CegarLoopResult]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,893 INFO L274 CegarLoopResult]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,893 INFO L274 CegarLoopResult]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,893 INFO L274 CegarLoopResult]: For program point L409(lines 409 420) no Hoare annotation was computed. [2020-11-29 19:16:20,893 INFO L274 CegarLoopResult]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2020-11-29 19:16:20,893 INFO L274 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2020-11-29 19:16:20,893 INFO L274 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-11-29 19:16:20,893 INFO L274 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-11-29 19:16:20,893 INFO L274 CegarLoopResult]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,894 INFO L274 CegarLoopResult]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,894 INFO L274 CegarLoopResult]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,894 INFO L274 CegarLoopResult]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,894 INFO L274 CegarLoopResult]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,894 INFO L274 CegarLoopResult]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,894 INFO L274 CegarLoopResult]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,894 INFO L274 CegarLoopResult]: For program point L214(line 214) no Hoare annotation was computed. [2020-11-29 19:16:20,894 INFO L274 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-11-29 19:16:20,895 INFO L274 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-11-29 19:16:20,895 INFO L274 CegarLoopResult]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,895 INFO L274 CegarLoopResult]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,895 INFO L274 CegarLoopResult]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,895 INFO L274 CegarLoopResult]: For program point L876(lines 876 885) no Hoare annotation was computed. [2020-11-29 19:16:20,895 INFO L274 CegarLoopResult]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2020-11-29 19:16:20,895 INFO L274 CegarLoopResult]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,895 INFO L274 CegarLoopResult]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,896 INFO L274 CegarLoopResult]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,896 INFO L274 CegarLoopResult]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,896 INFO L274 CegarLoopResult]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,896 INFO L274 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-11-29 19:16:20,896 INFO L274 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-11-29 19:16:20,896 INFO L274 CegarLoopResult]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,896 INFO L274 CegarLoopResult]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,896 INFO L274 CegarLoopResult]: For program point L614(lines 614 624) no Hoare annotation was computed. [2020-11-29 19:16:20,897 INFO L274 CegarLoopResult]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2020-11-29 19:16:20,897 INFO L274 CegarLoopResult]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,897 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 19:16:20,897 INFO L274 CegarLoopResult]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,897 INFO L274 CegarLoopResult]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,897 INFO L274 CegarLoopResult]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,897 INFO L274 CegarLoopResult]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,897 INFO L274 CegarLoopResult]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,897 INFO L274 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-11-29 19:16:20,898 INFO L274 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-11-29 19:16:20,898 INFO L274 CegarLoopResult]: For program point L815(lines 815 825) no Hoare annotation was computed. [2020-11-29 19:16:20,898 INFO L274 CegarLoopResult]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2020-11-29 19:16:20,898 INFO L274 CegarLoopResult]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,898 INFO L274 CegarLoopResult]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,898 INFO L274 CegarLoopResult]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,898 INFO L274 CegarLoopResult]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,898 INFO L274 CegarLoopResult]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,899 INFO L274 CegarLoopResult]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,899 INFO L274 CegarLoopResult]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,899 INFO L274 CegarLoopResult]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,899 INFO L274 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-11-29 19:16:20,899 INFO L274 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-11-29 19:16:20,899 INFO L274 CegarLoopResult]: For program point L950(lines 950 962) no Hoare annotation was computed. [2020-11-29 19:16:20,899 INFO L274 CegarLoopResult]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2020-11-29 19:16:20,899 INFO L274 CegarLoopResult]: For program point L488(lines 488 496) no Hoare annotation was computed. [2020-11-29 19:16:20,900 INFO L274 CegarLoopResult]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2020-11-29 19:16:20,900 INFO L274 CegarLoopResult]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,900 INFO L274 CegarLoopResult]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,900 INFO L274 CegarLoopResult]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,900 INFO L274 CegarLoopResult]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,900 INFO L274 CegarLoopResult]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,900 INFO L274 CegarLoopResult]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,900 INFO L274 CegarLoopResult]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,901 INFO L274 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-11-29 19:16:20,901 INFO L274 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-11-29 19:16:20,901 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 19:16:20,901 INFO L274 CegarLoopResult]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,901 INFO L274 CegarLoopResult]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,901 INFO L274 CegarLoopResult]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,901 INFO L274 CegarLoopResult]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,901 INFO L274 CegarLoopResult]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,902 INFO L274 CegarLoopResult]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,902 INFO L274 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-11-29 19:16:20,902 INFO L274 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-11-29 19:16:20,902 INFO L274 CegarLoopResult]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,902 INFO L274 CegarLoopResult]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,902 INFO L274 CegarLoopResult]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,902 INFO L274 CegarLoopResult]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,902 INFO L274 CegarLoopResult]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,903 INFO L274 CegarLoopResult]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,903 INFO L274 CegarLoopResult]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,903 INFO L274 CegarLoopResult]: For program point L33(lines 33 35) no Hoare annotation was computed. [2020-11-29 19:16:20,903 INFO L274 CegarLoopResult]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:16:20,903 INFO L274 CegarLoopResult]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,903 INFO L274 CegarLoopResult]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,903 INFO L274 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-11-29 19:16:20,903 INFO L274 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-11-29 19:16:20,904 INFO L274 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-11-29 19:16:20,904 INFO L274 CegarLoopResult]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2020-11-29 19:16:20,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:16:20 BoogieIcfgContainer [2020-11-29 19:16:20,935 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 19:16:20,936 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:16:20,936 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:16:20,936 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:16:20,936 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:15:28" (3/4) ... [2020-11-29 19:16:20,940 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 19:16:20,968 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 19:16:20,970 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 19:16:20,972 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:16:20,974 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:16:21,184 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_32749c9e-803c-4643-adfc-3a6c3fa4d0b8/bin/uautomizer/witness.graphml [2020-11-29 19:16:21,184 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:16:21,185 INFO L168 Benchmark]: Toolchain (without parser) took 56893.73 ms. Allocated memory was 111.1 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 78.9 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 446.9 MB. Max. memory is 16.1 GB. [2020-11-29 19:16:21,186 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 86.0 MB. Free memory is still 47.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:16:21,186 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1010.25 ms. Allocated memory is still 111.1 MB. Free memory was 78.9 MB in the beginning and 56.1 MB in the end (delta: 22.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-11-29 19:16:21,186 INFO L168 Benchmark]: Boogie Procedure Inliner took 205.42 ms. Allocated memory is still 111.1 MB. Free memory was 55.5 MB in the beginning and 79.2 MB in the end (delta: -23.6 MB). Peak memory consumption was 26.7 MB. Max. memory is 16.1 GB. [2020-11-29 19:16:21,187 INFO L168 Benchmark]: Boogie Preprocessor took 247.68 ms. Allocated memory is still 111.1 MB. Free memory was 79.2 MB in the beginning and 72.9 MB in the end (delta: 6.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-29 19:16:21,187 INFO L168 Benchmark]: RCFGBuilder took 2337.22 ms. Allocated memory was 111.1 MB in the beginning and 197.1 MB in the end (delta: 86.0 MB). Free memory was 72.9 MB in the beginning and 145.5 MB in the end (delta: -72.6 MB). Peak memory consumption was 77.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:16:21,188 INFO L168 Benchmark]: TraceAbstraction took 52836.16 ms. Allocated memory was 197.1 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 145.5 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.3 GB. Max. memory is 16.1 GB. [2020-11-29 19:16:21,188 INFO L168 Benchmark]: Witness Printer took 248.91 ms. Allocated memory is still 2.0 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 25.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:16:21,191 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 86.0 MB. Free memory is still 47.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1010.25 ms. Allocated memory is still 111.1 MB. Free memory was 78.9 MB in the beginning and 56.1 MB in the end (delta: 22.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 205.42 ms. Allocated memory is still 111.1 MB. Free memory was 55.5 MB in the beginning and 79.2 MB in the end (delta: -23.6 MB). Peak memory consumption was 26.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 247.68 ms. Allocated memory is still 111.1 MB. Free memory was 79.2 MB in the beginning and 72.9 MB in the end (delta: 6.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2337.22 ms. Allocated memory was 111.1 MB in the beginning and 197.1 MB in the end (delta: 86.0 MB). Free memory was 72.9 MB in the beginning and 145.5 MB in the end (delta: -72.6 MB). Peak memory consumption was 77.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 52836.16 ms. Allocated memory was 197.1 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 145.5 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.3 GB. Max. memory is 16.1 GB. * Witness Printer took 248.91 ms. Allocated memory is still 2.0 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 25.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: ((((((((((((((((((a25 <= 9 && a23 <= 312) && a29 + 28470 <= 0) && a8 <= 15) || (((a29 + 28470 <= 0 && (a25 <= 10 || a25 == 12)) && a8 <= 15) && a4 == 1)) || ((a25 == 10 && a29 <= 140) && a8 <= 15)) || ((13 <= a25 && a4 == 1) && a8 <= 15)) || (((0 <= a23 + 41 && a23 <= 312) && a8 <= 15) && a4 == 1)) || ((a29 + 554036 <= 0 && a25 == 12) && a8 <= 15)) || ((130 <= a29 && a25 == 12) && a8 <= 15)) || (((a25 <= 9 && a23 <= 312) && a4 == 1) && a8 <= 15)) || ((a8 <= 15 && a4 == 1) && 246 <= a29)) || ((((0 <= a23 + 41 && 130 <= a29) && a29 <= 220) && a8 <= 15) && a4 == 1)) || (((a25 <= 10 && 130 <= a29) && a4 == 1) && a8 <= 15)) || (((a23 <= 138 && 13 <= a25) && 0 < a23 + 43) && a8 <= 15)) || ((a23 <= 312 && a25 == 12) && a8 <= 15)) || (((a25 == 11 && a23 <= 312) && a8 <= 15) && 0 <= (a29 + -261) / 15)) || ((((a25 == 11 && a29 <= 140) && a23 <= 312) && !(a4 == 1)) && a8 <= 15)) || ((((a23 <= 138 && a29 <= 140) && !(a4 == 1)) && 0 < a23 + 43) && a8 <= 15)) || (((a25 <= 10 && a23 <= 312) && a8 <= 15) && 0 <= (a29 + -261) / 15) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((((((((((((a25 <= 9 && a23 <= 312) && a29 + 28470 <= 0) && a8 <= 15) || (((a29 + 28470 <= 0 && (a25 <= 10 || a25 == 12)) && a8 <= 15) && a4 == 1)) || ((a25 == 10 && a29 <= 140) && a8 <= 15)) || ((13 <= a25 && a4 == 1) && a8 <= 15)) || (((0 <= a23 + 41 && a23 <= 312) && a8 <= 15) && a4 == 1)) || ((a29 + 554036 <= 0 && a25 == 12) && a8 <= 15)) || ((130 <= a29 && a25 == 12) && a8 <= 15)) || (((a25 <= 9 && a23 <= 312) && a4 == 1) && a8 <= 15)) || ((a8 <= 15 && a4 == 1) && 246 <= a29)) || ((((0 <= a23 + 41 && 130 <= a29) && a29 <= 220) && a8 <= 15) && a4 == 1)) || (((a25 <= 10 && 130 <= a29) && a4 == 1) && a8 <= 15)) || (((a23 <= 138 && 13 <= a25) && 0 < a23 + 43) && a8 <= 15)) || ((a23 <= 312 && a25 == 12) && a8 <= 15)) || (((a25 == 11 && a23 <= 312) && a8 <= 15) && 0 <= (a29 + -261) / 15)) || ((((a25 == 11 && a29 <= 140) && a23 <= 312) && !(a4 == 1)) && a8 <= 15)) || ((((a23 <= 138 && a29 <= 140) && !(a4 == 1)) && 0 < a23 + 43) && a8 <= 15)) || (((a25 <= 10 && a23 <= 312) && a8 <= 15) && 0 <= (a29 + -261) / 15) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 284 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 50.0s, OverallIterations: 20, TraceHistogramMax: 7, AutomataDifference: 33.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3683 SDtfs, 3309 SDslu, 485 SDs, 0 SdLazy, 12650 SolverSat, 2191 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 23.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1476 GetRequests, 1440 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22721occurred 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: 4.0s AutomataMinimizationTime, 20 MinimizatonAttempts, 16308 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 209 NumberOfFragments, 483 HoareAnnotationTreeSize, 3 FomulaSimplifications, 11318 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 3 FomulaSimplificationsInter, 2840 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 8964 NumberOfCodeBlocks, 8964 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 8941 ConstructedInterpolants, 1 QuantifiedInterpolants, 11567255 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1936 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 23 InterpolantComputations, 20 PerfectInterpolantSequences, 12756/13036 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...