./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label33.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_89fb65ab-4281-4a36-b955-bdb36d11ff94/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_89fb65ab-4281-4a36-b955-bdb36d11ff94/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_89fb65ab-4281-4a36-b955-bdb36d11ff94/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_89fb65ab-4281-4a36-b955-bdb36d11ff94/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label33.c -s /tmp/vcloud-vcloud-master/worker/run_dir_89fb65ab-4281-4a36-b955-bdb36d11ff94/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_89fb65ab-4281-4a36-b955-bdb36d11ff94/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 ab2f82b3a20098c3c150387b3445f37093d89f89 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:10:29,626 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:10:29,635 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:10:29,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:10:29,702 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:10:29,704 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:10:29,706 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:10:29,708 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:10:29,711 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:10:29,712 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:10:29,713 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:10:29,715 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:10:29,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:10:29,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:10:29,718 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:10:29,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:10:29,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:10:29,723 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:10:29,725 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:10:29,728 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:10:29,730 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:10:29,732 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:10:29,733 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:10:29,734 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:10:29,738 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:10:29,739 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:10:29,739 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:10:29,740 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:10:29,741 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:10:29,742 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:10:29,743 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:10:29,744 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:10:29,745 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:10:29,746 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:10:29,748 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:10:29,748 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:10:29,749 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:10:29,750 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:10:29,750 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:10:29,751 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:10:29,752 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:10:29,756 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_89fb65ab-4281-4a36-b955-bdb36d11ff94/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 01:10:29,782 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:10:29,782 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:10:29,788 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:10:29,789 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:10:29,789 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:10:29,789 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:10:29,790 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:10:29,790 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:10:29,790 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:10:29,790 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:10:29,791 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:10:29,792 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:10:29,792 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:10:29,792 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:10:29,792 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:10:29,793 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:10:29,793 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:10:29,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:10:29,793 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:10:29,794 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:10:29,794 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:10:29,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:10:29,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:10:29,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:10:29,795 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:10:29,795 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:10:29,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:10:29,796 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:10:29,796 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:10:29,796 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_89fb65ab-4281-4a36-b955-bdb36d11ff94/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_89fb65ab-4281-4a36-b955-bdb36d11ff94/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab2f82b3a20098c3c150387b3445f37093d89f89 [2020-11-30 01:10:30,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:10:30,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:10:30,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:10:30,110 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:10:30,110 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:10:30,111 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_89fb65ab-4281-4a36-b955-bdb36d11ff94/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label33.c [2020-11-30 01:10:30,205 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_89fb65ab-4281-4a36-b955-bdb36d11ff94/bin/uautomizer/data/6ede8a346/5c75bf19cd0a4ced9589ec837e290c72/FLAGeaf53d683 [2020-11-30 01:10:30,950 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:10:30,950 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_89fb65ab-4281-4a36-b955-bdb36d11ff94/sv-benchmarks/c/eca-rers2012/Problem14_label33.c [2020-11-30 01:10:30,968 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_89fb65ab-4281-4a36-b955-bdb36d11ff94/bin/uautomizer/data/6ede8a346/5c75bf19cd0a4ced9589ec837e290c72/FLAGeaf53d683 [2020-11-30 01:10:31,209 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_89fb65ab-4281-4a36-b955-bdb36d11ff94/bin/uautomizer/data/6ede8a346/5c75bf19cd0a4ced9589ec837e290c72 [2020-11-30 01:10:31,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:10:31,219 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:10:31,228 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:10:31,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:10:31,231 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:10:31,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:10:31" (1/1) ... [2020-11-30 01:10:31,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6057cc77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:31, skipping insertion in model container [2020-11-30 01:10:31,234 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:10:31" (1/1) ... [2020-11-30 01:10:31,242 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:10:31,312 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:10:31,920 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:10:31,930 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:10:32,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:10:32,134 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:10:32,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:32 WrapperNode [2020-11-30 01:10:32,134 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:10:32,136 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:10:32,136 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:10:32,136 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:10:32,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:32" (1/1) ... [2020-11-30 01:10:32,170 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:32" (1/1) ... [2020-11-30 01:10:32,280 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:10:32,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:10:32,282 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:10:32,282 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:10:32,291 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:32" (1/1) ... [2020-11-30 01:10:32,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:32" (1/1) ... [2020-11-30 01:10:32,306 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:32" (1/1) ... [2020-11-30 01:10:32,307 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:32" (1/1) ... [2020-11-30 01:10:32,358 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:32" (1/1) ... [2020-11-30 01:10:32,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:32" (1/1) ... [2020-11-30 01:10:32,393 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:32" (1/1) ... [2020-11-30 01:10:32,420 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:10:32,421 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:10:32,421 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:10:32,421 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:10:32,424 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_89fb65ab-4281-4a36-b955-bdb36d11ff94/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:10:32,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:10:32,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:10:32,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:10:32,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:10:34,422 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:10:34,422 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-30 01:10:34,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:10:34 BoogieIcfgContainer [2020-11-30 01:10:34,425 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:10:34,426 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:10:34,426 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:10:34,434 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:10:34,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:10:31" (1/3) ... [2020-11-30 01:10:34,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@505d4daa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:10:34, skipping insertion in model container [2020-11-30 01:10:34,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:32" (2/3) ... [2020-11-30 01:10:34,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@505d4daa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:10:34, skipping insertion in model container [2020-11-30 01:10:34,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:10:34" (3/3) ... [2020-11-30 01:10:34,437 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label33.c [2020-11-30 01:10:34,449 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:10:34,454 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 01:10:34,468 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 01:10:34,514 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:10:34,514 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 01:10:34,514 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:10:34,515 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:10:34,515 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:10:34,515 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:10:34,515 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:10:34,515 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:10:34,543 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states. [2020-11-30 01:10:34,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-30 01:10:34,555 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:10:34,556 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] [2020-11-30 01:10:34,557 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:10:34,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:10:34,563 INFO L82 PathProgramCache]: Analyzing trace with hash -2074400678, now seen corresponding path program 1 times [2020-11-30 01:10:34,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:10:34,570 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603270377] [2020-11-30 01:10:34,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:10:34,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:34,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:34,940 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603270377] [2020-11-30 01:10:34,941 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:10:34,941 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:10:34,942 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679203681] [2020-11-30 01:10:34,946 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:10:34,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:10:34,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:10:34,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:10:34,964 INFO L87 Difference]: Start difference. First operand 246 states. Second operand 3 states. [2020-11-30 01:10:36,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:10:36,767 INFO L93 Difference]: Finished difference Result 670 states and 1201 transitions. [2020-11-30 01:10:36,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:10:36,769 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-11-30 01:10:36,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:10:36,796 INFO L225 Difference]: With dead ends: 670 [2020-11-30 01:10:36,796 INFO L226 Difference]: Without dead ends: 360 [2020-11-30 01:10:36,800 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:10:36,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-11-30 01:10:36,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2020-11-30 01:10:36,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-11-30 01:10:36,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 588 transitions. [2020-11-30 01:10:36,877 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 588 transitions. Word has length 58 [2020-11-30 01:10:36,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:10:36,878 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 588 transitions. [2020-11-30 01:10:36,878 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:10:36,878 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 588 transitions. [2020-11-30 01:10:36,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-11-30 01:10:36,885 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:10:36,886 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:10:36,886 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 01:10:36,886 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:10:36,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:10:36,887 INFO L82 PathProgramCache]: Analyzing trace with hash -1379688974, now seen corresponding path program 1 times [2020-11-30 01:10:36,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:10:36,888 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60025738] [2020-11-30 01:10:36,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:10:36,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:37,137 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:37,137 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60025738] [2020-11-30 01:10:37,137 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:10:37,138 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:10:37,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693403412] [2020-11-30 01:10:37,140 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:10:37,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:10:37,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:10:37,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:10:37,143 INFO L87 Difference]: Start difference. First operand 360 states and 588 transitions. Second operand 3 states. [2020-11-30 01:10:38,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:10:38,235 INFO L93 Difference]: Finished difference Result 1074 states and 1759 transitions. [2020-11-30 01:10:38,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:10:38,236 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2020-11-30 01:10:38,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:10:38,241 INFO L225 Difference]: With dead ends: 1074 [2020-11-30 01:10:38,241 INFO L226 Difference]: Without dead ends: 716 [2020-11-30 01:10:38,244 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:10:38,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2020-11-30 01:10:38,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 538. [2020-11-30 01:10:38,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2020-11-30 01:10:38,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 802 transitions. [2020-11-30 01:10:38,284 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 802 transitions. Word has length 123 [2020-11-30 01:10:38,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:10:38,285 INFO L481 AbstractCegarLoop]: Abstraction has 538 states and 802 transitions. [2020-11-30 01:10:38,285 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:10:38,285 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 802 transitions. [2020-11-30 01:10:38,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-11-30 01:10:38,304 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:10:38,305 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:10:38,305 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 01:10:38,305 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:10:38,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:10:38,306 INFO L82 PathProgramCache]: Analyzing trace with hash -1698742449, now seen corresponding path program 1 times [2020-11-30 01:10:38,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:10:38,307 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845237369] [2020-11-30 01:10:38,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:10:38,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:38,534 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:38,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845237369] [2020-11-30 01:10:38,535 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:10:38,535 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:10:38,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233618875] [2020-11-30 01:10:38,537 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 01:10:38,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:10:38,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 01:10:38,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:10:38,548 INFO L87 Difference]: Start difference. First operand 538 states and 802 transitions. Second operand 4 states. [2020-11-30 01:10:39,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:10:39,977 INFO L93 Difference]: Finished difference Result 1430 states and 2030 transitions. [2020-11-30 01:10:39,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 01:10:39,977 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 137 [2020-11-30 01:10:39,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:10:39,985 INFO L225 Difference]: With dead ends: 1430 [2020-11-30 01:10:39,985 INFO L226 Difference]: Without dead ends: 894 [2020-11-30 01:10:39,986 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:10:39,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2020-11-30 01:10:40,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 894. [2020-11-30 01:10:40,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-11-30 01:10:40,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1194 transitions. [2020-11-30 01:10:40,049 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1194 transitions. Word has length 137 [2020-11-30 01:10:40,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:10:40,050 INFO L481 AbstractCegarLoop]: Abstraction has 894 states and 1194 transitions. [2020-11-30 01:10:40,050 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 01:10:40,050 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1194 transitions. [2020-11-30 01:10:40,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-11-30 01:10:40,061 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:10:40,062 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:10:40,062 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 01:10:40,062 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:10:40,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:10:40,063 INFO L82 PathProgramCache]: Analyzing trace with hash 2105559139, now seen corresponding path program 1 times [2020-11-30 01:10:40,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:10:40,063 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458510920] [2020-11-30 01:10:40,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:10:40,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:40,350 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-30 01:10:40,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458510920] [2020-11-30 01:10:40,351 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:10:40,351 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:10:40,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542414403] [2020-11-30 01:10:40,353 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 01:10:40,353 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:10:40,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 01:10:40,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:10:40,355 INFO L87 Difference]: Start difference. First operand 894 states and 1194 transitions. Second operand 4 states. [2020-11-30 01:10:41,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:10:41,579 INFO L93 Difference]: Finished difference Result 1993 states and 2629 transitions. [2020-11-30 01:10:41,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 01:10:41,580 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 217 [2020-11-30 01:10:41,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:10:41,585 INFO L225 Difference]: With dead ends: 1993 [2020-11-30 01:10:41,586 INFO L226 Difference]: Without dead ends: 1072 [2020-11-30 01:10:41,588 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:10:41,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2020-11-30 01:10:41,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 1072. [2020-11-30 01:10:41,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1072 states. [2020-11-30 01:10:41,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1264 transitions. [2020-11-30 01:10:41,621 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1264 transitions. Word has length 217 [2020-11-30 01:10:41,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:10:41,622 INFO L481 AbstractCegarLoop]: Abstraction has 1072 states and 1264 transitions. [2020-11-30 01:10:41,622 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 01:10:41,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1264 transitions. [2020-11-30 01:10:41,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-11-30 01:10:41,627 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:10:41,628 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:10:41,628 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 01:10:41,628 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:10:41,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:10:41,629 INFO L82 PathProgramCache]: Analyzing trace with hash -928428227, now seen corresponding path program 1 times [2020-11-30 01:10:41,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:10:41,630 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093564398] [2020-11-30 01:10:41,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:10:41,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:42,014 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 111 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:42,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093564398] [2020-11-30 01:10:42,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [854685999] [2020-11-30 01:10:42,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_89fb65ab-4281-4a36-b955-bdb36d11ff94/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:10:42,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:42,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 01:10:42,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:10:42,498 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-11-30 01:10:42,499 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 01:10:42,499 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2020-11-30 01:10:42,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891321878] [2020-11-30 01:10:42,500 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:10:42,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:10:42,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:10:42,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:10:42,502 INFO L87 Difference]: Start difference. First operand 1072 states and 1264 transitions. Second operand 3 states. [2020-11-30 01:10:43,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:10:43,529 INFO L93 Difference]: Finished difference Result 2320 states and 2779 transitions. [2020-11-30 01:10:43,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:10:43,530 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 229 [2020-11-30 01:10:43,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:10:43,538 INFO L225 Difference]: With dead ends: 2320 [2020-11-30 01:10:43,538 INFO L226 Difference]: Without dead ends: 1250 [2020-11-30 01:10:43,541 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:10:43,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2020-11-30 01:10:43,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1072. [2020-11-30 01:10:43,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1072 states. [2020-11-30 01:10:43,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1250 transitions. [2020-11-30 01:10:43,576 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1250 transitions. Word has length 229 [2020-11-30 01:10:43,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:10:43,577 INFO L481 AbstractCegarLoop]: Abstraction has 1072 states and 1250 transitions. [2020-11-30 01:10:43,578 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:10:43,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1250 transitions. [2020-11-30 01:10:43,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-11-30 01:10:43,582 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:10:43,582 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:10:43,803 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:10:43,804 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:10:43,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:10:43,804 INFO L82 PathProgramCache]: Analyzing trace with hash 1981329460, now seen corresponding path program 1 times [2020-11-30 01:10:43,804 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:10:43,805 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38093374] [2020-11-30 01:10:43,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:10:43,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:44,024 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:44,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38093374] [2020-11-30 01:10:44,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:10:44,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:10:44,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734854152] [2020-11-30 01:10:44,027 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:10:44,027 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:10:44,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:10:44,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:10:44,029 INFO L87 Difference]: Start difference. First operand 1072 states and 1250 transitions. Second operand 3 states. [2020-11-30 01:10:45,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:10:45,174 INFO L93 Difference]: Finished difference Result 2854 states and 3362 transitions. [2020-11-30 01:10:45,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:10:45,175 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 232 [2020-11-30 01:10:45,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:10:45,190 INFO L225 Difference]: With dead ends: 2854 [2020-11-30 01:10:45,190 INFO L226 Difference]: Without dead ends: 1784 [2020-11-30 01:10:45,193 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:10:45,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1784 states. [2020-11-30 01:10:45,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1784 to 1606. [2020-11-30 01:10:45,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1606 states. [2020-11-30 01:10:45,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 1824 transitions. [2020-11-30 01:10:45,236 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 1824 transitions. Word has length 232 [2020-11-30 01:10:45,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:10:45,236 INFO L481 AbstractCegarLoop]: Abstraction has 1606 states and 1824 transitions. [2020-11-30 01:10:45,237 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:10:45,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1824 transitions. [2020-11-30 01:10:45,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2020-11-30 01:10:45,243 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:10:45,244 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:10:45,250 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-30 01:10:45,250 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:10:45,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:10:45,252 INFO L82 PathProgramCache]: Analyzing trace with hash 827467919, now seen corresponding path program 1 times [2020-11-30 01:10:45,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:10:45,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32216440] [2020-11-30 01:10:45,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:10:45,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:45,677 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2020-11-30 01:10:45,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32216440] [2020-11-30 01:10:45,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:10:45,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:10:45,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053111472] [2020-11-30 01:10:45,679 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 01:10:45,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:10:45,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 01:10:45,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:10:45,681 INFO L87 Difference]: Start difference. First operand 1606 states and 1824 transitions. Second operand 4 states. [2020-11-30 01:10:47,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:10:47,097 INFO L93 Difference]: Finished difference Result 3268 states and 3727 transitions. [2020-11-30 01:10:47,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 01:10:47,098 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 349 [2020-11-30 01:10:47,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:10:47,108 INFO L225 Difference]: With dead ends: 3268 [2020-11-30 01:10:47,109 INFO L226 Difference]: Without dead ends: 1784 [2020-11-30 01:10:47,111 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:10:47,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1784 states. [2020-11-30 01:10:47,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1784 to 1606. [2020-11-30 01:10:47,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1606 states. [2020-11-30 01:10:47,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 1751 transitions. [2020-11-30 01:10:47,151 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 1751 transitions. Word has length 349 [2020-11-30 01:10:47,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:10:47,154 INFO L481 AbstractCegarLoop]: Abstraction has 1606 states and 1751 transitions. [2020-11-30 01:10:47,154 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 01:10:47,155 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1751 transitions. [2020-11-30 01:10:47,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2020-11-30 01:10:47,162 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:10:47,163 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2020-11-30 01:10:47,163 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-30 01:10:47,163 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:10:47,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:10:47,164 INFO L82 PathProgramCache]: Analyzing trace with hash -1032126700, now seen corresponding path program 1 times [2020-11-30 01:10:47,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:10:47,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594212512] [2020-11-30 01:10:47,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:10:47,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:47,641 INFO L134 CoverageAnalysis]: Checked inductivity of 743 backedges. 429 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-11-30 01:10:47,642 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594212512] [2020-11-30 01:10:47,642 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:10:47,642 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:10:47,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189191910] [2020-11-30 01:10:47,643 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:10:47,644 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:10:47,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:10:47,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:10:47,645 INFO L87 Difference]: Start difference. First operand 1606 states and 1751 transitions. Second operand 3 states. [2020-11-30 01:10:48,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:10:48,644 INFO L93 Difference]: Finished difference Result 3922 states and 4309 transitions. [2020-11-30 01:10:48,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:10:48,645 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 444 [2020-11-30 01:10:48,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:10:48,658 INFO L225 Difference]: With dead ends: 3922 [2020-11-30 01:10:48,658 INFO L226 Difference]: Without dead ends: 2496 [2020-11-30 01:10:48,661 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:10:48,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2496 states. [2020-11-30 01:10:48,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2496 to 1962. [2020-11-30 01:10:48,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1962 states. [2020-11-30 01:10:48,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2110 transitions. [2020-11-30 01:10:48,714 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2110 transitions. Word has length 444 [2020-11-30 01:10:48,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:10:48,715 INFO L481 AbstractCegarLoop]: Abstraction has 1962 states and 2110 transitions. [2020-11-30 01:10:48,715 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:10:48,715 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2110 transitions. [2020-11-30 01:10:48,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 452 [2020-11-30 01:10:48,719 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:10:48,720 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:10:48,720 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-30 01:10:48,720 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:10:48,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:10:48,721 INFO L82 PathProgramCache]: Analyzing trace with hash 1114872273, now seen corresponding path program 1 times [2020-11-30 01:10:48,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:10:48,726 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623076794] [2020-11-30 01:10:48,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:10:48,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:49,146 INFO L134 CoverageAnalysis]: Checked inductivity of 743 backedges. 429 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-11-30 01:10:49,146 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623076794] [2020-11-30 01:10:49,147 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:10:49,148 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:10:49,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433279315] [2020-11-30 01:10:49,149 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:10:49,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:10:49,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:10:49,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:10:49,150 INFO L87 Difference]: Start difference. First operand 1962 states and 2110 transitions. Second operand 3 states. [2020-11-30 01:10:50,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:10:50,002 INFO L93 Difference]: Finished difference Result 4456 states and 4861 transitions. [2020-11-30 01:10:50,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:10:50,003 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 451 [2020-11-30 01:10:50,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:10:50,017 INFO L225 Difference]: With dead ends: 4456 [2020-11-30 01:10:50,018 INFO L226 Difference]: Without dead ends: 2674 [2020-11-30 01:10:50,020 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:10:50,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2020-11-30 01:10:50,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2496. [2020-11-30 01:10:50,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2496 states. [2020-11-30 01:10:50,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 2661 transitions. [2020-11-30 01:10:50,095 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 2661 transitions. Word has length 451 [2020-11-30 01:10:50,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:10:50,096 INFO L481 AbstractCegarLoop]: Abstraction has 2496 states and 2661 transitions. [2020-11-30 01:10:50,096 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:10:50,097 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 2661 transitions. [2020-11-30 01:10:50,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 607 [2020-11-30 01:10:50,103 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:10:50,104 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:10:50,104 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-30 01:10:50,104 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:10:50,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:10:50,105 INFO L82 PathProgramCache]: Analyzing trace with hash 324275080, now seen corresponding path program 1 times [2020-11-30 01:10:50,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:10:50,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161604062] [2020-11-30 01:10:50,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:10:50,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:50,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1191 backedges. 554 proven. 0 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2020-11-30 01:10:50,663 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161604062] [2020-11-30 01:10:50,663 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:10:50,663 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:10:50,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046926660] [2020-11-30 01:10:50,664 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:10:50,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:10:50,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:10:50,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:10:50,666 INFO L87 Difference]: Start difference. First operand 2496 states and 2661 transitions. Second operand 3 states. [2020-11-30 01:10:51,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:10:51,563 INFO L93 Difference]: Finished difference Result 5524 states and 5971 transitions. [2020-11-30 01:10:51,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:10:51,563 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 606 [2020-11-30 01:10:51,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:10:51,582 INFO L225 Difference]: With dead ends: 5524 [2020-11-30 01:10:51,582 INFO L226 Difference]: Without dead ends: 3208 [2020-11-30 01:10:51,586 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:10:51,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2020-11-30 01:10:51,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 3030. [2020-11-30 01:10:51,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3030 states. [2020-11-30 01:10:51,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 3030 states and 3227 transitions. [2020-11-30 01:10:51,652 INFO L78 Accepts]: Start accepts. Automaton has 3030 states and 3227 transitions. Word has length 606 [2020-11-30 01:10:51,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:10:51,654 INFO L481 AbstractCegarLoop]: Abstraction has 3030 states and 3227 transitions. [2020-11-30 01:10:51,654 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:10:51,654 INFO L276 IsEmpty]: Start isEmpty. Operand 3030 states and 3227 transitions. [2020-11-30 01:10:51,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 625 [2020-11-30 01:10:51,660 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:10:51,661 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:10:51,662 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-30 01:10:51,662 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:10:51,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:10:51,663 INFO L82 PathProgramCache]: Analyzing trace with hash 974401877, now seen corresponding path program 1 times [2020-11-30 01:10:51,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:10:51,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068705293] [2020-11-30 01:10:51,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:10:51,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:52,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1191 backedges. 821 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2020-11-30 01:10:52,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068705293] [2020-11-30 01:10:52,232 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:10:52,232 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:10:52,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562472787] [2020-11-30 01:10:52,233 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:10:52,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:10:52,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:10:52,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:10:52,234 INFO L87 Difference]: Start difference. First operand 3030 states and 3227 transitions. Second operand 3 states. [2020-11-30 01:10:53,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:10:53,119 INFO L93 Difference]: Finished difference Result 6592 states and 7095 transitions. [2020-11-30 01:10:53,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:10:53,120 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 624 [2020-11-30 01:10:53,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:10:53,143 INFO L225 Difference]: With dead ends: 6592 [2020-11-30 01:10:53,143 INFO L226 Difference]: Without dead ends: 3742 [2020-11-30 01:10:53,148 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:10:53,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2020-11-30 01:10:53,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3386. [2020-11-30 01:10:53,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2020-11-30 01:10:53,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3620 transitions. [2020-11-30 01:10:53,224 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3620 transitions. Word has length 624 [2020-11-30 01:10:53,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:10:53,226 INFO L481 AbstractCegarLoop]: Abstraction has 3386 states and 3620 transitions. [2020-11-30 01:10:53,226 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:10:53,226 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3620 transitions. [2020-11-30 01:10:53,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 648 [2020-11-30 01:10:53,233 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:10:53,233 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:10:53,233 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-30 01:10:53,234 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:10:53,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:10:53,234 INFO L82 PathProgramCache]: Analyzing trace with hash -1560929605, now seen corresponding path program 1 times [2020-11-30 01:10:53,235 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:10:53,235 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297238633] [2020-11-30 01:10:53,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:10:53,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:53,885 INFO L134 CoverageAnalysis]: Checked inductivity of 1346 backedges. 922 proven. 110 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-11-30 01:10:53,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297238633] [2020-11-30 01:10:53,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1627135014] [2020-11-30 01:10:53,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_89fb65ab-4281-4a36-b955-bdb36d11ff94/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:10:54,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:54,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 829 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 01:10:54,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:10:54,388 INFO L134 CoverageAnalysis]: Checked inductivity of 1346 backedges. 279 proven. 0 refuted. 0 times theorem prover too weak. 1067 trivial. 0 not checked. [2020-11-30 01:10:54,389 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 01:10:54,389 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-11-30 01:10:54,390 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033707448] [2020-11-30 01:10:54,391 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:10:54,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:10:54,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:10:54,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:10:54,392 INFO L87 Difference]: Start difference. First operand 3386 states and 3620 transitions. Second operand 3 states. [2020-11-30 01:10:54,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:10:54,988 INFO L93 Difference]: Finished difference Result 7660 states and 8178 transitions. [2020-11-30 01:10:54,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:10:54,989 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 647 [2020-11-30 01:10:54,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:10:55,009 INFO L225 Difference]: With dead ends: 7660 [2020-11-30 01:10:55,009 INFO L226 Difference]: Without dead ends: 3564 [2020-11-30 01:10:55,015 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 650 GetRequests, 647 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:10:55,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3564 states. [2020-11-30 01:10:55,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3564 to 3386. [2020-11-30 01:10:55,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2020-11-30 01:10:55,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3599 transitions. [2020-11-30 01:10:55,094 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3599 transitions. Word has length 647 [2020-11-30 01:10:55,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:10:55,095 INFO L481 AbstractCegarLoop]: Abstraction has 3386 states and 3599 transitions. [2020-11-30 01:10:55,095 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:10:55,095 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3599 transitions. [2020-11-30 01:10:55,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 795 [2020-11-30 01:10:55,105 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:10:55,106 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:10:55,319 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-11-30 01:10:55,320 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:10:55,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:10:55,320 INFO L82 PathProgramCache]: Analyzing trace with hash 1019066694, now seen corresponding path program 1 times [2020-11-30 01:10:55,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:10:55,321 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101268126] [2020-11-30 01:10:55,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:10:55,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:56,191 INFO L134 CoverageAnalysis]: Checked inductivity of 1859 backedges. 1334 proven. 155 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2020-11-30 01:10:56,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101268126] [2020-11-30 01:10:56,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1453212302] [2020-11-30 01:10:56,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_89fb65ab-4281-4a36-b955-bdb36d11ff94/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:10:56,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:56,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 1001 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 01:10:56,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:10:56,785 INFO L134 CoverageAnalysis]: Checked inductivity of 1859 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 1524 trivial. 0 not checked. [2020-11-30 01:10:56,785 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 01:10:56,785 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-11-30 01:10:56,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117119462] [2020-11-30 01:10:56,786 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:10:56,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:10:56,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:10:56,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:10:56,788 INFO L87 Difference]: Start difference. First operand 3386 states and 3599 transitions. Second operand 3 states. [2020-11-30 01:10:57,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:10:57,518 INFO L93 Difference]: Finished difference Result 4278 states and 4537 transitions. [2020-11-30 01:10:57,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:10:57,519 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 794 [2020-11-30 01:10:57,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:10:57,539 INFO L225 Difference]: With dead ends: 4278 [2020-11-30 01:10:57,539 INFO L226 Difference]: Without dead ends: 4276 [2020-11-30 01:10:57,540 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 797 GetRequests, 794 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:10:57,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4276 states. [2020-11-30 01:10:57,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4276 to 3386. [2020-11-30 01:10:57,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2020-11-30 01:10:57,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3599 transitions. [2020-11-30 01:10:57,626 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3599 transitions. Word has length 794 [2020-11-30 01:10:57,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:10:57,627 INFO L481 AbstractCegarLoop]: Abstraction has 3386 states and 3599 transitions. [2020-11-30 01:10:57,628 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:10:57,628 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3599 transitions. [2020-11-30 01:10:57,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 826 [2020-11-30 01:10:57,643 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:10:57,644 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:10:57,859 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-11-30 01:10:57,860 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:10:57,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:10:57,860 INFO L82 PathProgramCache]: Analyzing trace with hash 569347014, now seen corresponding path program 1 times [2020-11-30 01:10:57,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:10:57,861 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707919317] [2020-11-30 01:10:57,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:10:57,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:58,814 INFO L134 CoverageAnalysis]: Checked inductivity of 2411 backedges. 1805 proven. 110 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2020-11-30 01:10:58,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707919317] [2020-11-30 01:10:58,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598382580] [2020-11-30 01:10:58,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_89fb65ab-4281-4a36-b955-bdb36d11ff94/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:10:59,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:59,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 1053 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 01:10:59,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:10:59,516 INFO L134 CoverageAnalysis]: Checked inductivity of 2411 backedges. 391 proven. 0 refuted. 0 times theorem prover too weak. 2020 trivial. 0 not checked. [2020-11-30 01:10:59,517 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 01:10:59,517 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-11-30 01:10:59,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232360116] [2020-11-30 01:10:59,518 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:10:59,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:10:59,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:10:59,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:10:59,520 INFO L87 Difference]: Start difference. First operand 3386 states and 3599 transitions. Second operand 3 states. [2020-11-30 01:11:00,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:11:00,312 INFO L93 Difference]: Finished difference Result 7302 states and 7812 transitions. [2020-11-30 01:11:00,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:11:00,318 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 825 [2020-11-30 01:11:00,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:11:00,320 INFO L225 Difference]: With dead ends: 7302 [2020-11-30 01:11:00,320 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 01:11:00,327 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 828 GetRequests, 825 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:11:00,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 01:11:00,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 01:11:00,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 01:11:00,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 01:11:00,328 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 825 [2020-11-30 01:11:00,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:11:00,328 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:11:00,329 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:11:00,329 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 01:11:00,329 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 01:11:00,544 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:11:00,546 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 01:11:00,907 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 40 [2020-11-30 01:11:01,064 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 40 [2020-11-30 01:11:01,071 INFO L274 CegarLoopResult]: For program point L762(lines 762 880) no Hoare annotation was computed. [2020-11-30 01:11:01,071 INFO L274 CegarLoopResult]: For program point L895(line 895) no Hoare annotation was computed. [2020-11-30 01:11:01,071 INFO L274 CegarLoopResult]: For program point L829(lines 829 880) no Hoare annotation was computed. [2020-11-30 01:11:01,071 INFO L274 CegarLoopResult]: For program point L631(lines 631 880) no Hoare annotation was computed. [2020-11-30 01:11:01,071 INFO L274 CegarLoopResult]: For program point L565(lines 565 880) no Hoare annotation was computed. [2020-11-30 01:11:01,071 INFO L274 CegarLoopResult]: For program point L169-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,071 INFO L274 CegarLoopResult]: For program point L103-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,071 INFO L274 CegarLoopResult]: For program point L37-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,071 INFO L274 CegarLoopResult]: For program point L698(lines 698 880) no Hoare annotation was computed. [2020-11-30 01:11:01,072 INFO L274 CegarLoopResult]: For program point L500(lines 500 880) no Hoare annotation was computed. [2020-11-30 01:11:01,072 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-11-30 01:11:01,072 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-11-30 01:11:01,072 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-11-30 01:11:01,072 INFO L274 CegarLoopResult]: For program point L369(lines 369 880) no Hoare annotation was computed. [2020-11-30 01:11:01,072 INFO L274 CegarLoopResult]: For program point L303(lines 303 880) no Hoare annotation was computed. [2020-11-30 01:11:01,072 INFO L274 CegarLoopResult]: For program point L436(lines 436 880) no Hoare annotation was computed. [2020-11-30 01:11:01,072 INFO L274 CegarLoopResult]: For program point L172-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,072 INFO L274 CegarLoopResult]: For program point L106-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,072 INFO L274 CegarLoopResult]: For program point L40-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,072 INFO L274 CegarLoopResult]: For program point L239(lines 239 880) no Hoare annotation was computed. [2020-11-30 01:11:01,072 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-11-30 01:11:01,072 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-11-30 01:11:01,072 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-11-30 01:11:01,072 INFO L274 CegarLoopResult]: For program point L768(lines 768 880) no Hoare annotation was computed. [2020-11-30 01:11:01,072 INFO L274 CegarLoopResult]: For program point L636(lines 636 880) no Hoare annotation was computed. [2020-11-30 01:11:01,073 INFO L274 CegarLoopResult]: For program point L835(lines 835 880) no Hoare annotation was computed. [2020-11-30 01:11:01,073 INFO L274 CegarLoopResult]: For program point L571(lines 571 880) no Hoare annotation was computed. [2020-11-30 01:11:01,073 INFO L274 CegarLoopResult]: For program point L505(lines 505 880) no Hoare annotation was computed. [2020-11-30 01:11:01,073 INFO L274 CegarLoopResult]: For program point L175-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,073 INFO L274 CegarLoopResult]: For program point L109-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,073 INFO L274 CegarLoopResult]: For program point L43-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,073 INFO L274 CegarLoopResult]: For program point L704(lines 704 880) no Hoare annotation was computed. [2020-11-30 01:11:01,073 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-11-30 01:11:01,073 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-11-30 01:11:01,073 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-11-30 01:11:01,073 INFO L274 CegarLoopResult]: For program point L309(lines 309 880) no Hoare annotation was computed. [2020-11-30 01:11:01,073 INFO L274 CegarLoopResult]: For program point L442(lines 442 880) no Hoare annotation was computed. [2020-11-30 01:11:01,073 INFO L274 CegarLoopResult]: For program point L376(lines 376 880) no Hoare annotation was computed. [2020-11-30 01:11:01,073 INFO L274 CegarLoopResult]: For program point L178-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,073 INFO L274 CegarLoopResult]: For program point L112-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,073 INFO L274 CegarLoopResult]: For program point L46-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,073 INFO L274 CegarLoopResult]: For program point L245(lines 245 880) no Hoare annotation was computed. [2020-11-30 01:11:01,073 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-11-30 01:11:01,074 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-11-30 01:11:01,074 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-11-30 01:11:01,074 INFO L274 CegarLoopResult]: For program point L774(lines 774 880) no Hoare annotation was computed. [2020-11-30 01:11:01,074 INFO L274 CegarLoopResult]: For program point L642(lines 642 880) no Hoare annotation was computed. [2020-11-30 01:11:01,074 INFO L274 CegarLoopResult]: For program point L510(lines 510 880) no Hoare annotation was computed. [2020-11-30 01:11:01,074 INFO L274 CegarLoopResult]: For program point L841(lines 841 880) no Hoare annotation was computed. [2020-11-30 01:11:01,074 INFO L274 CegarLoopResult]: For program point L181-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,074 INFO L274 CegarLoopResult]: For program point L115-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,074 INFO L274 CegarLoopResult]: For program point L49-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,074 INFO L274 CegarLoopResult]: For program point L710(lines 710 880) no Hoare annotation was computed. [2020-11-30 01:11:01,074 INFO L274 CegarLoopResult]: For program point L578(lines 578 880) no Hoare annotation was computed. [2020-11-30 01:11:01,074 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-11-30 01:11:01,074 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-11-30 01:11:01,074 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-11-30 01:11:01,074 INFO L274 CegarLoopResult]: For program point L315(lines 315 880) no Hoare annotation was computed. [2020-11-30 01:11:01,074 INFO L274 CegarLoopResult]: For program point L448(lines 448 880) no Hoare annotation was computed. [2020-11-30 01:11:01,074 INFO L274 CegarLoopResult]: For program point L382(lines 382 880) no Hoare annotation was computed. [2020-11-30 01:11:01,075 INFO L274 CegarLoopResult]: For program point L184-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,075 INFO L274 CegarLoopResult]: For program point L118-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,075 INFO L274 CegarLoopResult]: For program point L52-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,075 INFO L274 CegarLoopResult]: For program point L251(lines 251 880) no Hoare annotation was computed. [2020-11-30 01:11:01,075 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-11-30 01:11:01,075 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-11-30 01:11:01,075 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-11-30 01:11:01,075 INFO L274 CegarLoopResult]: For program point L648(lines 648 880) no Hoare annotation was computed. [2020-11-30 01:11:01,075 INFO L274 CegarLoopResult]: For program point L516(lines 516 880) no Hoare annotation was computed. [2020-11-30 01:11:01,075 INFO L274 CegarLoopResult]: For program point L847(lines 847 880) no Hoare annotation was computed. [2020-11-30 01:11:01,075 INFO L274 CegarLoopResult]: For program point L781(lines 781 880) no Hoare annotation was computed. [2020-11-30 01:11:01,075 INFO L274 CegarLoopResult]: For program point L583(lines 583 880) no Hoare annotation was computed. [2020-11-30 01:11:01,075 INFO L274 CegarLoopResult]: For program point L187-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,075 INFO L274 CegarLoopResult]: For program point L121-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,075 INFO L274 CegarLoopResult]: For program point L55-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,075 INFO L274 CegarLoopResult]: For program point L716(lines 716 880) no Hoare annotation was computed. [2020-11-30 01:11:01,075 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-11-30 01:11:01,076 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-11-30 01:11:01,076 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-11-30 01:11:01,076 INFO L274 CegarLoopResult]: For program point L321(lines 321 880) no Hoare annotation was computed. [2020-11-30 01:11:01,076 INFO L274 CegarLoopResult]: For program point L454(lines 454 880) no Hoare annotation was computed. [2020-11-30 01:11:01,076 INFO L274 CegarLoopResult]: For program point L388(lines 388 880) no Hoare annotation was computed. [2020-11-30 01:11:01,076 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 01:11:01,076 INFO L274 CegarLoopResult]: For program point L190-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,076 INFO L274 CegarLoopResult]: For program point L124-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,076 INFO L274 CegarLoopResult]: For program point L58-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,076 INFO L274 CegarLoopResult]: For program point L257(lines 257 880) no Hoare annotation was computed. [2020-11-30 01:11:01,076 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-11-30 01:11:01,076 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-11-30 01:11:01,076 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-11-30 01:11:01,076 INFO L274 CegarLoopResult]: For program point L852(lines 852 880) no Hoare annotation was computed. [2020-11-30 01:11:01,076 INFO L274 CegarLoopResult]: For program point L654(lines 654 880) no Hoare annotation was computed. [2020-11-30 01:11:01,076 INFO L274 CegarLoopResult]: For program point L522(lines 522 880) no Hoare annotation was computed. [2020-11-30 01:11:01,077 INFO L274 CegarLoopResult]: For program point L787(lines 787 880) no Hoare annotation was computed. [2020-11-30 01:11:01,077 INFO L274 CegarLoopResult]: For program point L589(lines 589 880) no Hoare annotation was computed. [2020-11-30 01:11:01,077 INFO L274 CegarLoopResult]: For program point L193-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,077 INFO L274 CegarLoopResult]: For program point L127-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,077 INFO L274 CegarLoopResult]: For program point L61-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,077 INFO L274 CegarLoopResult]: For program point L722(lines 722 880) no Hoare annotation was computed. [2020-11-30 01:11:01,077 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-11-30 01:11:01,077 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-11-30 01:11:01,077 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-11-30 01:11:01,077 INFO L274 CegarLoopResult]: For program point L459(lines 459 880) no Hoare annotation was computed. [2020-11-30 01:11:01,077 INFO L274 CegarLoopResult]: For program point L327(lines 327 880) no Hoare annotation was computed. [2020-11-30 01:11:01,077 INFO L274 CegarLoopResult]: For program point L394(lines 394 880) no Hoare annotation was computed. [2020-11-30 01:11:01,077 INFO L274 CegarLoopResult]: For program point L262(lines 262 880) no Hoare annotation was computed. [2020-11-30 01:11:01,077 INFO L274 CegarLoopResult]: For program point L196-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,077 INFO L274 CegarLoopResult]: For program point L130-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,077 INFO L274 CegarLoopResult]: For program point L64-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,077 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-11-30 01:11:01,078 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-11-30 01:11:01,078 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-11-30 01:11:01,078 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 01:11:01,078 INFO L274 CegarLoopResult]: For program point L858(lines 858 880) no Hoare annotation was computed. [2020-11-30 01:11:01,078 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-30 01:11:01,078 INFO L274 CegarLoopResult]: For program point L660(lines 660 880) no Hoare annotation was computed. [2020-11-30 01:11:01,078 INFO L274 CegarLoopResult]: For program point L528(lines 528 880) no Hoare annotation was computed. [2020-11-30 01:11:01,078 INFO L274 CegarLoopResult]: For program point L793(lines 793 880) no Hoare annotation was computed. [2020-11-30 01:11:01,078 INFO L274 CegarLoopResult]: For program point L595(lines 595 880) no Hoare annotation was computed. [2020-11-30 01:11:01,078 INFO L274 CegarLoopResult]: For program point L199-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,078 INFO L274 CegarLoopResult]: For program point L133-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,078 INFO L274 CegarLoopResult]: For program point L67-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,078 INFO L274 CegarLoopResult]: For program point L728(lines 728 880) no Hoare annotation was computed. [2020-11-30 01:11:01,078 INFO L274 CegarLoopResult]: For program point L464(lines 464 880) no Hoare annotation was computed. [2020-11-30 01:11:01,078 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-11-30 01:11:01,079 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-11-30 01:11:01,079 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-11-30 01:11:01,079 INFO L274 CegarLoopResult]: For program point L333(lines 333 880) no Hoare annotation was computed. [2020-11-30 01:11:01,079 INFO L274 CegarLoopResult]: For program point L400(lines 400 880) no Hoare annotation was computed. [2020-11-30 01:11:01,079 INFO L274 CegarLoopResult]: For program point L268(lines 268 880) no Hoare annotation was computed. [2020-11-30 01:11:01,079 INFO L274 CegarLoopResult]: For program point L202-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,079 INFO L274 CegarLoopResult]: For program point L136-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,079 INFO L274 CegarLoopResult]: For program point L70-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,079 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-11-30 01:11:01,079 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-11-30 01:11:01,079 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-11-30 01:11:01,079 INFO L274 CegarLoopResult]: For program point L864(lines 864 880) no Hoare annotation was computed. [2020-11-30 01:11:01,079 INFO L274 CegarLoopResult]: For program point L666(lines 666 880) no Hoare annotation was computed. [2020-11-30 01:11:01,079 INFO L274 CegarLoopResult]: For program point L534(lines 534 880) no Hoare annotation was computed. [2020-11-30 01:11:01,079 INFO L274 CegarLoopResult]: For program point L799(lines 799 880) no Hoare annotation was computed. [2020-11-30 01:11:01,080 INFO L274 CegarLoopResult]: For program point L601(lines 601 880) no Hoare annotation was computed. [2020-11-30 01:11:01,080 INFO L274 CegarLoopResult]: For program point L205-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,080 INFO L274 CegarLoopResult]: For program point L139-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,080 INFO L274 CegarLoopResult]: For program point L73-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,080 INFO L274 CegarLoopResult]: For program point L734(lines 734 880) no Hoare annotation was computed. [2020-11-30 01:11:01,080 INFO L274 CegarLoopResult]: For program point L470(lines 470 880) no Hoare annotation was computed. [2020-11-30 01:11:01,080 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-11-30 01:11:01,080 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-11-30 01:11:01,080 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-11-30 01:11:01,080 INFO L274 CegarLoopResult]: For program point L339(lines 339 880) no Hoare annotation was computed. [2020-11-30 01:11:01,080 INFO L274 CegarLoopResult]: For program point L406(lines 406 880) no Hoare annotation was computed. [2020-11-30 01:11:01,080 INFO L274 CegarLoopResult]: For program point L274(lines 274 880) no Hoare annotation was computed. [2020-11-30 01:11:01,080 INFO L274 CegarLoopResult]: For program point L208-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,080 INFO L274 CegarLoopResult]: For program point L142-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,080 INFO L274 CegarLoopResult]: For program point L76-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,080 INFO L274 CegarLoopResult]: For program point L869(lines 869 880) no Hoare annotation was computed. [2020-11-30 01:11:01,080 INFO L274 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-11-30 01:11:01,081 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-11-30 01:11:01,081 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-11-30 01:11:01,081 INFO L274 CegarLoopResult]: For program point L672(lines 672 880) no Hoare annotation was computed. [2020-11-30 01:11:01,081 INFO L274 CegarLoopResult]: For program point L540(lines 540 880) no Hoare annotation was computed. [2020-11-30 01:11:01,081 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-30 01:11:01,081 INFO L274 CegarLoopResult]: For program point L805(lines 805 880) no Hoare annotation was computed. [2020-11-30 01:11:01,081 INFO L274 CegarLoopResult]: For program point L607(lines 607 880) no Hoare annotation was computed. [2020-11-30 01:11:01,081 INFO L274 CegarLoopResult]: For program point L211-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,081 INFO L274 CegarLoopResult]: For program point L145-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,081 INFO L274 CegarLoopResult]: For program point L79-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,081 INFO L274 CegarLoopResult]: For program point L740(lines 740 880) no Hoare annotation was computed. [2020-11-30 01:11:01,081 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-11-30 01:11:01,081 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-11-30 01:11:01,081 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-11-30 01:11:01,081 INFO L274 CegarLoopResult]: For program point L477(lines 477 880) no Hoare annotation was computed. [2020-11-30 01:11:01,081 INFO L274 CegarLoopResult]: For program point L345(lines 345 880) no Hoare annotation was computed. [2020-11-30 01:11:01,081 INFO L274 CegarLoopResult]: For program point L279(lines 279 880) no Hoare annotation was computed. [2020-11-30 01:11:01,082 INFO L274 CegarLoopResult]: For program point L412(lines 412 880) no Hoare annotation was computed. [2020-11-30 01:11:01,082 INFO L274 CegarLoopResult]: For program point L148-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,082 INFO L274 CegarLoopResult]: For program point L82-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,082 INFO L274 CegarLoopResult]: For program point L875(lines 875 880) no Hoare annotation was computed. [2020-11-30 01:11:01,082 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-30 01:11:01,082 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-11-30 01:11:01,082 INFO L274 CegarLoopResult]: For program point L678(lines 678 880) no Hoare annotation was computed. [2020-11-30 01:11:01,082 INFO L274 CegarLoopResult]: For program point L546(lines 546 880) no Hoare annotation was computed. [2020-11-30 01:11:01,082 INFO L274 CegarLoopResult]: For program point L811(lines 811 880) no Hoare annotation was computed. [2020-11-30 01:11:01,082 INFO L274 CegarLoopResult]: For program point L745(lines 745 880) no Hoare annotation was computed. [2020-11-30 01:11:01,082 INFO L274 CegarLoopResult]: For program point L613(lines 613 880) no Hoare annotation was computed. [2020-11-30 01:11:01,082 INFO L274 CegarLoopResult]: For program point L151-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,082 INFO L274 CegarLoopResult]: For program point L85-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,082 INFO L274 CegarLoopResult]: For program point L482(lines 482 880) no Hoare annotation was computed. [2020-11-30 01:11:01,082 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 01:11:01,082 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-11-30 01:11:01,082 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-11-30 01:11:01,082 INFO L274 CegarLoopResult]: For program point L351(lines 351 880) no Hoare annotation was computed. [2020-11-30 01:11:01,083 INFO L274 CegarLoopResult]: For program point L285(lines 285 880) no Hoare annotation was computed. [2020-11-30 01:11:01,083 INFO L274 CegarLoopResult]: For program point L418(lines 418 880) no Hoare annotation was computed. [2020-11-30 01:11:01,083 INFO L274 CegarLoopResult]: For program point L154-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,083 INFO L274 CegarLoopResult]: For program point L88-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,099 INFO L270 CegarLoopResult]: At program point L881(lines 30 882) the Hoare annotation is: (let ((.cse0 (<= ~a15~0 5)) (.cse3 (<= (+ ~a12~0 49) 0)) (.cse2 (<= 7 ~a15~0)) (.cse1 (= ~a24~0 1))) (or (and .cse0 .cse1) (and .cse2 .cse1) (and .cse0 .cse3) (and (<= 9 ~a21~0) .cse1 (<= ~a21~0 9)) (and (< 0 (+ ~a12~0 43)) (<= ~a12~0 11) .cse1) (and .cse3 .cse2 (<= ~a15~0 8) (<= 10 ~a21~0)) (and .cse1 (<= ~a21~0 6)) (and (<= 8 ~a21~0) .cse1 (<= ~a21~0 8)))) [2020-11-30 01:11:01,100 INFO L274 CegarLoopResult]: For program point L551(lines 551 880) no Hoare annotation was computed. [2020-11-30 01:11:01,100 INFO L274 CegarLoopResult]: For program point L221(lines 221 880) no Hoare annotation was computed. [2020-11-30 01:11:01,100 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-11-30 01:11:01,100 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-11-30 01:11:01,100 INFO L274 CegarLoopResult]: For program point L684(lines 684 880) no Hoare annotation was computed. [2020-11-30 01:11:01,100 INFO L274 CegarLoopResult]: For program point L817(lines 817 880) no Hoare annotation was computed. [2020-11-30 01:11:01,100 INFO L274 CegarLoopResult]: For program point L751(lines 751 880) no Hoare annotation was computed. [2020-11-30 01:11:01,100 INFO L274 CegarLoopResult]: For program point L619(lines 619 880) no Hoare annotation was computed. [2020-11-30 01:11:01,100 INFO L274 CegarLoopResult]: For program point L157-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,100 INFO L274 CegarLoopResult]: For program point L91-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,100 INFO L277 CegarLoopResult]: At program point L884(lines 884 900) the Hoare annotation is: true [2020-11-30 01:11:01,100 INFO L274 CegarLoopResult]: For program point L488(lines 488 880) no Hoare annotation was computed. [2020-11-30 01:11:01,100 INFO L274 CegarLoopResult]: For program point L290(lines 290 880) no Hoare annotation was computed. [2020-11-30 01:11:01,100 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-11-30 01:11:01,101 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-11-30 01:11:01,101 INFO L274 CegarLoopResult]: For program point L687(lines 687 880) no Hoare annotation was computed. [2020-11-30 01:11:01,101 INFO L274 CegarLoopResult]: For program point L357(lines 357 880) no Hoare annotation was computed. [2020-11-30 01:11:01,101 INFO L274 CegarLoopResult]: For program point L424(lines 424 880) no Hoare annotation was computed. [2020-11-30 01:11:01,101 INFO L274 CegarLoopResult]: For program point L160-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,101 INFO L274 CegarLoopResult]: For program point L94-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,101 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 01:11:01,101 INFO L274 CegarLoopResult]: For program point L557(lines 557 880) no Hoare annotation was computed. [2020-11-30 01:11:01,101 INFO L274 CegarLoopResult]: For program point L227(lines 227 880) no Hoare annotation was computed. [2020-11-30 01:11:01,101 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-11-30 01:11:01,101 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-11-30 01:11:01,101 INFO L274 CegarLoopResult]: For program point L757(lines 757 880) no Hoare annotation was computed. [2020-11-30 01:11:01,101 INFO L274 CegarLoopResult]: For program point L625(lines 625 880) no Hoare annotation was computed. [2020-11-30 01:11:01,101 INFO L274 CegarLoopResult]: For program point L163-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,101 INFO L274 CegarLoopResult]: For program point L97-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,101 INFO L274 CegarLoopResult]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-11-30 01:11:01,101 INFO L274 CegarLoopResult]: For program point L31-2(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,101 INFO L274 CegarLoopResult]: For program point L824(lines 824 880) no Hoare annotation was computed. [2020-11-30 01:11:01,102 INFO L270 CegarLoopResult]: At program point L890-2(lines 890 899) the Hoare annotation is: (let ((.cse0 (<= ~a15~0 5)) (.cse3 (<= (+ ~a12~0 49) 0)) (.cse2 (<= 7 ~a15~0)) (.cse1 (= ~a24~0 1))) (or (and .cse0 .cse1) (and .cse2 .cse1) (and .cse0 .cse3) (and (<= 9 ~a21~0) .cse1 (<= ~a21~0 9)) (and (< 0 (+ ~a12~0 43)) (<= ~a12~0 11) .cse1) (and .cse3 .cse2 (<= ~a15~0 8) (<= 10 ~a21~0)) (and .cse1 (<= ~a21~0 6)) (and (<= 8 ~a21~0) .cse1 (<= ~a21~0 8)))) [2020-11-30 01:11:01,102 INFO L274 CegarLoopResult]: For program point L494(lines 494 880) no Hoare annotation was computed. [2020-11-30 01:11:01,102 INFO L274 CegarLoopResult]: For program point L296(lines 296 880) no Hoare annotation was computed. [2020-11-30 01:11:01,102 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-11-30 01:11:01,102 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-11-30 01:11:01,102 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-11-30 01:11:01,102 INFO L274 CegarLoopResult]: For program point L693(lines 693 880) no Hoare annotation was computed. [2020-11-30 01:11:01,102 INFO L274 CegarLoopResult]: For program point L363(lines 363 880) no Hoare annotation was computed. [2020-11-30 01:11:01,102 INFO L274 CegarLoopResult]: For program point L562(lines 562 880) no Hoare annotation was computed. [2020-11-30 01:11:01,102 INFO L274 CegarLoopResult]: For program point L430(lines 430 880) no Hoare annotation was computed. [2020-11-30 01:11:01,102 INFO L274 CegarLoopResult]: For program point L166-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,102 INFO L274 CegarLoopResult]: For program point L100-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,102 INFO L274 CegarLoopResult]: For program point L34-1(lines 30 882) no Hoare annotation was computed. [2020-11-30 01:11:01,102 INFO L274 CegarLoopResult]: For program point L233(lines 233 880) no Hoare annotation was computed. [2020-11-30 01:11:01,102 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-11-30 01:11:01,103 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-11-30 01:11:01,103 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-11-30 01:11:01,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:11:01 BoogieIcfgContainer [2020-11-30 01:11:01,149 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:11:01,150 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:11:01,150 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:11:01,153 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:11:01,154 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:10:34" (3/4) ... [2020-11-30 01:11:01,157 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 01:11:01,190 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-30 01:11:01,196 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-30 01:11:01,197 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:11:01,199 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:11:01,379 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_89fb65ab-4281-4a36-b955-bdb36d11ff94/bin/uautomizer/witness.graphml [2020-11-30 01:11:01,380 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:11:01,381 INFO L168 Benchmark]: Toolchain (without parser) took 30161.91 ms. Allocated memory was 102.8 MB in the beginning and 1.1 GB in the end (delta: 1.0 GB). Free memory was 71.7 MB in the beginning and 957.9 MB in the end (delta: -886.2 MB). Peak memory consumption was 139.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:11:01,381 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 102.8 MB. Free memory is still 60.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:11:01,381 INFO L168 Benchmark]: CACSL2BoogieTranslator took 906.96 ms. Allocated memory is still 102.8 MB. Free memory was 71.5 MB in the beginning and 57.3 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 01:11:01,382 INFO L168 Benchmark]: Boogie Procedure Inliner took 145.02 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 57.3 MB in the beginning and 95.9 MB in the end (delta: -38.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:11:01,382 INFO L168 Benchmark]: Boogie Preprocessor took 138.77 ms. Allocated memory is still 123.7 MB. Free memory was 95.9 MB in the beginning and 89.8 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-30 01:11:01,384 INFO L168 Benchmark]: RCFGBuilder took 2003.49 ms. Allocated memory is still 123.7 MB. Free memory was 89.8 MB in the beginning and 61.9 MB in the end (delta: 27.8 MB). Peak memory consumption was 53.8 MB. Max. memory is 16.1 GB. [2020-11-30 01:11:01,385 INFO L168 Benchmark]: TraceAbstraction took 26722.93 ms. Allocated memory was 123.7 MB in the beginning and 1.1 GB in the end (delta: 1.0 GB). Free memory was 61.0 MB in the beginning and 977.9 MB in the end (delta: -916.8 MB). Peak memory consumption was 86.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:11:01,385 INFO L168 Benchmark]: Witness Printer took 230.09 ms. Allocated memory is still 1.1 GB. Free memory was 977.9 MB in the beginning and 957.9 MB in the end (delta: 19.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-11-30 01:11:01,387 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 102.8 MB. Free memory is still 60.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 906.96 ms. Allocated memory is still 102.8 MB. Free memory was 71.5 MB in the beginning and 57.3 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 145.02 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 57.3 MB in the beginning and 95.9 MB in the end (delta: -38.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 138.77 ms. Allocated memory is still 123.7 MB. Free memory was 95.9 MB in the beginning and 89.8 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2003.49 ms. Allocated memory is still 123.7 MB. Free memory was 89.8 MB in the beginning and 61.9 MB in the end (delta: 27.8 MB). Peak memory consumption was 53.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 26722.93 ms. Allocated memory was 123.7 MB in the beginning and 1.1 GB in the end (delta: 1.0 GB). Free memory was 61.0 MB in the beginning and 977.9 MB in the end (delta: -916.8 MB). Peak memory consumption was 86.5 MB. Max. memory is 16.1 GB. * Witness Printer took 230.09 ms. Allocated memory is still 1.1 GB. Free memory was 977.9 MB in the beginning and 957.9 MB in the end (delta: 19.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (((((((a15 <= 5 && a24 == 1) || (7 <= a15 && a24 == 1)) || (a15 <= 5 && a12 + 49 <= 0)) || ((9 <= a21 && a24 == 1) && a21 <= 9)) || ((0 < a12 + 43 && a12 <= 11) && a24 == 1)) || (((a12 + 49 <= 0 && 7 <= a15) && a15 <= 8) && 10 <= a21)) || (a24 == 1 && a21 <= 6)) || ((8 <= a21 && a24 == 1) && a21 <= 8) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((((a15 <= 5 && a24 == 1) || (7 <= a15 && a24 == 1)) || (a15 <= 5 && a12 + 49 <= 0)) || ((9 <= a21 && a24 == 1) && a21 <= 9)) || ((0 < a12 + 43 && a12 <= 11) && a24 == 1)) || (((a12 + 49 <= 0 && 7 <= a15) && a15 <= 8) && 10 <= a21)) || (a24 == 1 && a21 <= 6)) || ((8 <= a21 && a24 == 1) && a21 <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 246 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 26.0s, OverallIterations: 14, TraceHistogramMax: 8, AutomataDifference: 15.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1910 SDtfs, 1883 SDslu, 78 SDs, 0 SdLazy, 7204 SolverSat, 907 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2536 GetRequests, 2509 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3386occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 14 MinimizatonAttempts, 3026 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 67 NumberOfFragments, 157 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2710 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 322 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 8231 NumberOfCodeBlocks, 8231 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 8213 ConstructedInterpolants, 0 QuantifiedInterpolants, 9107225 SizeOfPredicates, 3 NumberOfNonLiveVariables, 3223 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 18 InterpolantComputations, 14 PerfectInterpolantSequences, 15920/16360 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...