./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label29.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_6418e84a-e3cb-47e1-975f-76c98ea67cd1/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6418e84a-e3cb-47e1-975f-76c98ea67cd1/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6418e84a-e3cb-47e1-975f-76c98ea67cd1/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6418e84a-e3cb-47e1-975f-76c98ea67cd1/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label29.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6418e84a-e3cb-47e1-975f-76c98ea67cd1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6418e84a-e3cb-47e1-975f-76c98ea67cd1/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 09247d3a58fdd00355598c8de1d3dbf2fc0d13d9 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 22:08:21,765 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 22:08:21,769 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 22:08:21,812 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 22:08:21,813 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 22:08:21,814 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 22:08:21,817 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 22:08:21,820 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 22:08:21,823 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 22:08:21,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 22:08:21,826 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 22:08:21,828 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 22:08:21,829 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 22:08:21,831 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 22:08:21,833 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 22:08:21,834 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 22:08:21,836 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 22:08:21,838 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 22:08:21,840 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 22:08:21,843 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 22:08:21,846 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 22:08:21,848 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 22:08:21,850 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 22:08:21,851 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 22:08:21,856 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 22:08:21,856 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 22:08:21,857 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 22:08:21,858 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 22:08:21,859 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 22:08:21,861 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 22:08:21,861 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 22:08:21,863 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 22:08:21,864 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 22:08:21,866 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 22:08:21,867 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 22:08:21,868 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 22:08:21,869 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 22:08:21,870 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 22:08:21,870 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 22:08:21,872 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 22:08:21,873 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 22:08:21,874 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6418e84a-e3cb-47e1-975f-76c98ea67cd1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 22:08:21,903 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 22:08:21,904 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 22:08:21,905 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 22:08:21,906 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 22:08:21,906 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 22:08:21,906 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 22:08:21,907 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 22:08:21,907 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 22:08:21,907 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 22:08:21,907 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 22:08:21,908 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 22:08:21,908 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 22:08:21,908 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 22:08:21,908 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 22:08:21,908 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 22:08:21,909 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 22:08:21,909 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 22:08:21,909 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 22:08:21,909 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 22:08:21,910 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 22:08:21,919 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 22:08:21,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 22:08:21,920 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 22:08:21,920 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 22:08:21,920 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 22:08:21,920 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 22:08:21,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 22:08:21,921 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 22:08:21,921 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 22:08:21,921 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_6418e84a-e3cb-47e1-975f-76c98ea67cd1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6418e84a-e3cb-47e1-975f-76c98ea67cd1/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 09247d3a58fdd00355598c8de1d3dbf2fc0d13d9 [2020-11-29 22:08:22,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 22:08:22,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 22:08:22,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 22:08:22,273 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 22:08:22,274 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 22:08:22,276 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6418e84a-e3cb-47e1-975f-76c98ea67cd1/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem16_label29.c [2020-11-29 22:08:22,363 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6418e84a-e3cb-47e1-975f-76c98ea67cd1/bin/uautomizer/data/e53d715df/8c1f27dd2ed445c784de6d0e8edc9244/FLAG0cfa70e49 [2020-11-29 22:08:23,243 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 22:08:23,244 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6418e84a-e3cb-47e1-975f-76c98ea67cd1/sv-benchmarks/c/eca-rers2012/Problem16_label29.c [2020-11-29 22:08:23,278 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6418e84a-e3cb-47e1-975f-76c98ea67cd1/bin/uautomizer/data/e53d715df/8c1f27dd2ed445c784de6d0e8edc9244/FLAG0cfa70e49 [2020-11-29 22:08:23,768 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6418e84a-e3cb-47e1-975f-76c98ea67cd1/bin/uautomizer/data/e53d715df/8c1f27dd2ed445c784de6d0e8edc9244 [2020-11-29 22:08:23,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 22:08:23,777 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 22:08:23,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 22:08:23,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 22:08:23,789 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 22:08:23,791 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:08:23" (1/1) ... [2020-11-29 22:08:23,793 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e550e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:08:23, skipping insertion in model container [2020-11-29 22:08:23,794 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:08:23" (1/1) ... [2020-11-29 22:08:23,803 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 22:08:23,894 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 22:08:24,688 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:08:24,704 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 22:08:25,123 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:08:25,147 INFO L208 MainTranslator]: Completed translation [2020-11-29 22:08:25,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:08:25 WrapperNode [2020-11-29 22:08:25,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 22:08:25,150 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 22:08:25,151 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 22:08:25,151 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 22:08:25,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:08:25" (1/1) ... [2020-11-29 22:08:25,223 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:08:25" (1/1) ... [2020-11-29 22:08:25,441 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 22:08:25,444 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 22:08:25,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 22:08:25,445 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 22:08:25,463 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:08:25" (1/1) ... [2020-11-29 22:08:25,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:08:25" (1/1) ... [2020-11-29 22:08:25,484 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:08:25" (1/1) ... [2020-11-29 22:08:25,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:08:25" (1/1) ... [2020-11-29 22:08:25,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:08:25" (1/1) ... [2020-11-29 22:08:25,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:08:25" (1/1) ... [2020-11-29 22:08:25,656 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:08:25" (1/1) ... [2020-11-29 22:08:25,687 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 22:08:25,689 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 22:08:25,689 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 22:08:25,689 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 22:08:25,691 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:08:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6418e84a-e3cb-47e1-975f-76c98ea67cd1/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 22:08:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 22:08:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 22:08:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 22:08:25,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 22:08:29,016 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 22:08:29,016 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-11-29 22:08:29,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:08:29 BoogieIcfgContainer [2020-11-29 22:08:29,026 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 22:08:29,028 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 22:08:29,028 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 22:08:29,035 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 22:08:29,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 10:08:23" (1/3) ... [2020-11-29 22:08:29,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f79076c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:08:29, skipping insertion in model container [2020-11-29 22:08:29,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:08:25" (2/3) ... [2020-11-29 22:08:29,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f79076c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:08:29, skipping insertion in model container [2020-11-29 22:08:29,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:08:29" (3/3) ... [2020-11-29 22:08:29,039 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label29.c [2020-11-29 22:08:29,057 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 22:08:29,063 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 22:08:29,077 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 22:08:29,129 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 22:08:29,129 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 22:08:29,129 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 22:08:29,130 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 22:08:29,130 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 22:08:29,130 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 22:08:29,130 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 22:08:29,130 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 22:08:29,171 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states. [2020-11-29 22:08:29,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-29 22:08:29,182 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:08:29,183 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] [2020-11-29 22:08:29,183 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:08:29,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:08:29,192 INFO L82 PathProgramCache]: Analyzing trace with hash 291089130, now seen corresponding path program 1 times [2020-11-29 22:08:29,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:08:29,205 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518818681] [2020-11-29 22:08:29,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:08:29,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:08:29,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:08:29,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518818681] [2020-11-29 22:08:29,658 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:08:29,658 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:08:29,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743488080] [2020-11-29 22:08:29,665 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:08:29,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:08:29,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:08:29,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:08:29,690 INFO L87 Difference]: Start difference. First operand 397 states. Second operand 3 states. [2020-11-29 22:08:33,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:08:33,153 INFO L93 Difference]: Finished difference Result 1138 states and 2119 transitions. [2020-11-29 22:08:33,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:08:33,155 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-11-29 22:08:33,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:08:33,181 INFO L225 Difference]: With dead ends: 1138 [2020-11-29 22:08:33,181 INFO L226 Difference]: Without dead ends: 662 [2020-11-29 22:08:33,188 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:08:33,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2020-11-29 22:08:33,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2020-11-29 22:08:33,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 662 states. [2020-11-29 22:08:33,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 1124 transitions. [2020-11-29 22:08:33,292 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 1124 transitions. Word has length 46 [2020-11-29 22:08:33,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:08:33,293 INFO L481 AbstractCegarLoop]: Abstraction has 662 states and 1124 transitions. [2020-11-29 22:08:33,294 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:08:33,294 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1124 transitions. [2020-11-29 22:08:33,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-11-29 22:08:33,300 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:08:33,301 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:08:33,301 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 22:08:33,301 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:08:33,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:08:33,303 INFO L82 PathProgramCache]: Analyzing trace with hash -50748599, now seen corresponding path program 1 times [2020-11-29 22:08:33,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:08:33,303 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870387236] [2020-11-29 22:08:33,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:08:33,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:08:33,488 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:08:33,488 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870387236] [2020-11-29 22:08:33,488 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:08:33,489 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:08:33,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774163953] [2020-11-29 22:08:33,491 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:08:33,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:08:33,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:08:33,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:08:33,494 INFO L87 Difference]: Start difference. First operand 662 states and 1124 transitions. Second operand 3 states. [2020-11-29 22:08:35,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:08:35,940 INFO L93 Difference]: Finished difference Result 1980 states and 3367 transitions. [2020-11-29 22:08:35,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:08:35,941 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2020-11-29 22:08:35,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:08:35,950 INFO L225 Difference]: With dead ends: 1980 [2020-11-29 22:08:35,950 INFO L226 Difference]: Without dead ends: 1320 [2020-11-29 22:08:35,953 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:08:35,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2020-11-29 22:08:36,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1320. [2020-11-29 22:08:36,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1320 states. [2020-11-29 22:08:36,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 2137 transitions. [2020-11-29 22:08:36,031 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 2137 transitions. Word has length 112 [2020-11-29 22:08:36,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:08:36,035 INFO L481 AbstractCegarLoop]: Abstraction has 1320 states and 2137 transitions. [2020-11-29 22:08:36,035 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:08:36,036 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 2137 transitions. [2020-11-29 22:08:36,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-11-29 22:08:36,049 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:08:36,049 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:08:36,051 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 22:08:36,052 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:08:36,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:08:36,053 INFO L82 PathProgramCache]: Analyzing trace with hash -1355021267, now seen corresponding path program 1 times [2020-11-29 22:08:36,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:08:36,055 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723087877] [2020-11-29 22:08:36,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:08:36,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:08:36,255 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:08:36,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723087877] [2020-11-29 22:08:36,256 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:08:36,256 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:08:36,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503510190] [2020-11-29 22:08:36,258 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:08:36,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:08:36,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:08:36,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:08:36,267 INFO L87 Difference]: Start difference. First operand 1320 states and 2137 transitions. Second operand 3 states. [2020-11-29 22:08:38,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:08:38,680 INFO L93 Difference]: Finished difference Result 3296 states and 5285 transitions. [2020-11-29 22:08:38,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:08:38,683 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2020-11-29 22:08:38,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:08:38,696 INFO L225 Difference]: With dead ends: 3296 [2020-11-29 22:08:38,697 INFO L226 Difference]: Without dead ends: 1978 [2020-11-29 22:08:38,699 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:08:38,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1978 states. [2020-11-29 22:08:38,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1978 to 1978. [2020-11-29 22:08:38,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1978 states. [2020-11-29 22:08:38,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1978 states to 1978 states and 2634 transitions. [2020-11-29 22:08:38,769 INFO L78 Accepts]: Start accepts. Automaton has 1978 states and 2634 transitions. Word has length 113 [2020-11-29 22:08:38,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:08:38,772 INFO L481 AbstractCegarLoop]: Abstraction has 1978 states and 2634 transitions. [2020-11-29 22:08:38,772 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:08:38,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 2634 transitions. [2020-11-29 22:08:38,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-11-29 22:08:38,781 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:08:38,782 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:08:38,782 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 22:08:38,783 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:08:38,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:08:38,783 INFO L82 PathProgramCache]: Analyzing trace with hash -17573561, now seen corresponding path program 1 times [2020-11-29 22:08:38,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:08:38,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572266313] [2020-11-29 22:08:38,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:08:38,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:08:39,078 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:08:39,078 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572266313] [2020-11-29 22:08:39,079 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:08:39,079 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:08:39,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970886580] [2020-11-29 22:08:39,081 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:08:39,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:08:39,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:08:39,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:08:39,083 INFO L87 Difference]: Start difference. First operand 1978 states and 2634 transitions. Second operand 3 states. [2020-11-29 22:08:41,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:08:41,764 INFO L93 Difference]: Finished difference Result 5928 states and 7897 transitions. [2020-11-29 22:08:41,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:08:41,765 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 205 [2020-11-29 22:08:41,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:08:41,789 INFO L225 Difference]: With dead ends: 5928 [2020-11-29 22:08:41,790 INFO L226 Difference]: Without dead ends: 3952 [2020-11-29 22:08:41,793 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:08:41,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2020-11-29 22:08:41,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3952. [2020-11-29 22:08:41,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3952 states. [2020-11-29 22:08:41,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 4806 transitions. [2020-11-29 22:08:41,888 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 4806 transitions. Word has length 205 [2020-11-29 22:08:41,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:08:41,889 INFO L481 AbstractCegarLoop]: Abstraction has 3952 states and 4806 transitions. [2020-11-29 22:08:41,889 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:08:41,890 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 4806 transitions. [2020-11-29 22:08:41,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2020-11-29 22:08:41,896 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:08:41,897 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:08:41,897 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 22:08:41,897 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:08:41,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:08:41,898 INFO L82 PathProgramCache]: Analyzing trace with hash -661555856, now seen corresponding path program 1 times [2020-11-29 22:08:41,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:08:41,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109467359] [2020-11-29 22:08:41,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:08:41,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:08:42,798 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:08:42,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109467359] [2020-11-29 22:08:42,799 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:08:42,799 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:08:42,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7019603] [2020-11-29 22:08:42,800 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 22:08:42,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:08:42,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 22:08:42,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 22:08:42,801 INFO L87 Difference]: Start difference. First operand 3952 states and 4806 transitions. Second operand 4 states. [2020-11-29 22:08:45,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:08:45,089 INFO L93 Difference]: Finished difference Result 8269 states and 9989 transitions. [2020-11-29 22:08:45,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 22:08:45,090 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 291 [2020-11-29 22:08:45,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:08:45,114 INFO L225 Difference]: With dead ends: 8269 [2020-11-29 22:08:45,115 INFO L226 Difference]: Without dead ends: 4319 [2020-11-29 22:08:45,120 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:08:45,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4319 states. [2020-11-29 22:08:45,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4319 to 4281. [2020-11-29 22:08:45,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4281 states. [2020-11-29 22:08:45,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4281 states to 4281 states and 5141 transitions. [2020-11-29 22:08:45,231 INFO L78 Accepts]: Start accepts. Automaton has 4281 states and 5141 transitions. Word has length 291 [2020-11-29 22:08:45,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:08:45,233 INFO L481 AbstractCegarLoop]: Abstraction has 4281 states and 5141 transitions. [2020-11-29 22:08:45,233 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 22:08:45,233 INFO L276 IsEmpty]: Start isEmpty. Operand 4281 states and 5141 transitions. [2020-11-29 22:08:45,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2020-11-29 22:08:45,242 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:08:45,243 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:08:45,243 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 22:08:45,243 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:08:45,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:08:45,244 INFO L82 PathProgramCache]: Analyzing trace with hash 1016007423, now seen corresponding path program 1 times [2020-11-29 22:08:45,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:08:45,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164220826] [2020-11-29 22:08:45,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:08:45,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:08:45,847 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:08:45,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164220826] [2020-11-29 22:08:45,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:08:45,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-29 22:08:45,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028134631] [2020-11-29 22:08:45,850 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-29 22:08:45,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:08:45,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-29 22:08:45,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-29 22:08:45,852 INFO L87 Difference]: Start difference. First operand 4281 states and 5141 transitions. Second operand 7 states. [2020-11-29 22:08:49,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:08:49,557 INFO L93 Difference]: Finished difference Result 8090 states and 9792 transitions. [2020-11-29 22:08:49,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-29 22:08:49,558 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 378 [2020-11-29 22:08:49,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:08:49,576 INFO L225 Difference]: With dead ends: 8090 [2020-11-29 22:08:49,576 INFO L226 Difference]: Without dead ends: 3952 [2020-11-29 22:08:49,582 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-29 22:08:49,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2020-11-29 22:08:49,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3952. [2020-11-29 22:08:49,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3952 states. [2020-11-29 22:08:49,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 4268 transitions. [2020-11-29 22:08:49,674 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 4268 transitions. Word has length 378 [2020-11-29 22:08:49,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:08:49,674 INFO L481 AbstractCegarLoop]: Abstraction has 3952 states and 4268 transitions. [2020-11-29 22:08:49,675 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-29 22:08:49,675 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 4268 transitions. [2020-11-29 22:08:49,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2020-11-29 22:08:49,683 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:08:49,684 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:08:49,685 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 22:08:49,685 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:08:49,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:08:49,686 INFO L82 PathProgramCache]: Analyzing trace with hash 508322793, now seen corresponding path program 1 times [2020-11-29 22:08:49,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:08:49,689 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366886138] [2020-11-29 22:08:49,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:08:49,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:08:50,311 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2020-11-29 22:08:50,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366886138] [2020-11-29 22:08:50,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1918134442] [2020-11-29 22:08:50,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6418e84a-e3cb-47e1-975f-76c98ea67cd1/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 22:08:50,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:08:50,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 22:08:50,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:08:51,001 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2020-11-29 22:08:51,002 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 22:08:51,002 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-11-29 22:08:51,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179882174] [2020-11-29 22:08:51,003 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:08:51,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:08:51,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:08:51,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:08:51,005 INFO L87 Difference]: Start difference. First operand 3952 states and 4268 transitions. Second operand 3 states. [2020-11-29 22:08:52,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:08:52,884 INFO L93 Difference]: Finished difference Result 4941 states and 5287 transitions. [2020-11-29 22:08:52,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:08:52,886 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 385 [2020-11-29 22:08:52,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:08:52,915 INFO L225 Difference]: With dead ends: 4941 [2020-11-29 22:08:52,915 INFO L226 Difference]: Without dead ends: 4939 [2020-11-29 22:08:52,918 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 384 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:08:52,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4939 states. [2020-11-29 22:08:53,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4939 to 4281. [2020-11-29 22:08:53,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4281 states. [2020-11-29 22:08:53,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4281 states to 4281 states and 4610 transitions. [2020-11-29 22:08:53,027 INFO L78 Accepts]: Start accepts. Automaton has 4281 states and 4610 transitions. Word has length 385 [2020-11-29 22:08:53,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:08:53,029 INFO L481 AbstractCegarLoop]: Abstraction has 4281 states and 4610 transitions. [2020-11-29 22:08:53,029 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:08:53,029 INFO L276 IsEmpty]: Start isEmpty. Operand 4281 states and 4610 transitions. [2020-11-29 22:08:53,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 585 [2020-11-29 22:08:53,050 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:08:53,051 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:08:53,272 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-11-29 22:08:53,272 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:08:53,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:08:53,273 INFO L82 PathProgramCache]: Analyzing trace with hash 2128606955, now seen corresponding path program 1 times [2020-11-29 22:08:53,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:08:53,274 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20289973] [2020-11-29 22:08:53,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:08:53,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:08:53,811 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 552 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2020-11-29 22:08:53,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20289973] [2020-11-29 22:08:53,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:08:53,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:08:53,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476155311] [2020-11-29 22:08:53,813 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:08:53,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:08:53,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:08:53,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:08:53,815 INFO L87 Difference]: Start difference. First operand 4281 states and 4610 transitions. Second operand 3 states. [2020-11-29 22:08:55,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:08:55,591 INFO L93 Difference]: Finished difference Result 10534 states and 11440 transitions. [2020-11-29 22:08:55,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:08:55,591 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 584 [2020-11-29 22:08:55,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:08:55,626 INFO L225 Difference]: With dead ends: 10534 [2020-11-29 22:08:55,627 INFO L226 Difference]: Without dead ends: 6584 [2020-11-29 22:08:55,633 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:08:55,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6584 states. [2020-11-29 22:08:55,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6584 to 6584. [2020-11-29 22:08:55,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6584 states. [2020-11-29 22:08:55,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6584 states to 6584 states and 6964 transitions. [2020-11-29 22:08:55,816 INFO L78 Accepts]: Start accepts. Automaton has 6584 states and 6964 transitions. Word has length 584 [2020-11-29 22:08:55,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:08:55,817 INFO L481 AbstractCegarLoop]: Abstraction has 6584 states and 6964 transitions. [2020-11-29 22:08:55,818 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:08:55,818 INFO L276 IsEmpty]: Start isEmpty. Operand 6584 states and 6964 transitions. [2020-11-29 22:08:55,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 619 [2020-11-29 22:08:55,842 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:08:55,843 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:08:55,843 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 22:08:55,844 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:08:55,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:08:55,845 INFO L82 PathProgramCache]: Analyzing trace with hash -759303018, now seen corresponding path program 1 times [2020-11-29 22:08:55,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:08:55,850 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347515010] [2020-11-29 22:08:55,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:08:55,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:08:56,405 INFO L134 CoverageAnalysis]: Checked inductivity of 754 backedges. 599 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2020-11-29 22:08:56,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347515010] [2020-11-29 22:08:56,406 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:08:56,406 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:08:56,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142895208] [2020-11-29 22:08:56,407 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:08:56,408 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:08:56,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:08:56,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:08:56,408 INFO L87 Difference]: Start difference. First operand 6584 states and 6964 transitions. Second operand 3 states. [2020-11-29 22:08:58,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:08:58,107 INFO L93 Difference]: Finished difference Result 14811 states and 15794 transitions. [2020-11-29 22:08:58,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:08:58,108 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 618 [2020-11-29 22:08:58,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:08:58,142 INFO L225 Difference]: With dead ends: 14811 [2020-11-29 22:08:58,143 INFO L226 Difference]: Without dead ends: 8558 [2020-11-29 22:08:58,153 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:08:58,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8558 states. [2020-11-29 22:08:58,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8558 to 8229. [2020-11-29 22:08:58,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8229 states. [2020-11-29 22:08:58,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8229 states to 8229 states and 8674 transitions. [2020-11-29 22:08:58,297 INFO L78 Accepts]: Start accepts. Automaton has 8229 states and 8674 transitions. Word has length 618 [2020-11-29 22:08:58,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:08:58,298 INFO L481 AbstractCegarLoop]: Abstraction has 8229 states and 8674 transitions. [2020-11-29 22:08:58,298 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:08:58,298 INFO L276 IsEmpty]: Start isEmpty. Operand 8229 states and 8674 transitions. [2020-11-29 22:08:58,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 778 [2020-11-29 22:08:58,336 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:08:58,337 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:08:58,337 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 22:08:58,337 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:08:58,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:08:58,338 INFO L82 PathProgramCache]: Analyzing trace with hash 927010245, now seen corresponding path program 1 times [2020-11-29 22:08:58,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:08:58,339 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505152146] [2020-11-29 22:08:58,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:08:58,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:08:59,332 INFO L134 CoverageAnalysis]: Checked inductivity of 1141 backedges. 726 proven. 0 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2020-11-29 22:08:59,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505152146] [2020-11-29 22:08:59,332 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:08:59,333 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:08:59,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927995349] [2020-11-29 22:08:59,334 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:08:59,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:08:59,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:08:59,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:08:59,335 INFO L87 Difference]: Start difference. First operand 8229 states and 8674 transitions. Second operand 3 states. [2020-11-29 22:09:00,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:09:00,919 INFO L93 Difference]: Finished difference Result 18430 states and 19568 transitions. [2020-11-29 22:09:00,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:09:00,920 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 777 [2020-11-29 22:09:00,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:09:00,942 INFO L225 Difference]: With dead ends: 18430 [2020-11-29 22:09:00,943 INFO L226 Difference]: Without dead ends: 10532 [2020-11-29 22:09:00,953 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:09:00,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10532 states. [2020-11-29 22:09:01,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10532 to 9874. [2020-11-29 22:09:01,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9874 states. [2020-11-29 22:09:01,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9874 states to 9874 states and 10362 transitions. [2020-11-29 22:09:01,124 INFO L78 Accepts]: Start accepts. Automaton has 9874 states and 10362 transitions. Word has length 777 [2020-11-29 22:09:01,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:09:01,126 INFO L481 AbstractCegarLoop]: Abstraction has 9874 states and 10362 transitions. [2020-11-29 22:09:01,126 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:09:01,126 INFO L276 IsEmpty]: Start isEmpty. Operand 9874 states and 10362 transitions. [2020-11-29 22:09:01,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 779 [2020-11-29 22:09:01,145 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:09:01,145 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:09:01,146 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-29 22:09:01,146 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:09:01,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:09:01,147 INFO L82 PathProgramCache]: Analyzing trace with hash 295538738, now seen corresponding path program 1 times [2020-11-29 22:09:01,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:09:01,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107331462] [2020-11-29 22:09:01,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:09:01,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:09:02,057 INFO L134 CoverageAnalysis]: Checked inductivity of 1145 backedges. 485 proven. 0 refuted. 0 times theorem prover too weak. 660 trivial. 0 not checked. [2020-11-29 22:09:02,058 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107331462] [2020-11-29 22:09:02,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:09:02,059 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:09:02,059 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568914679] [2020-11-29 22:09:02,060 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:09:02,060 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:09:02,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:09:02,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:09:02,062 INFO L87 Difference]: Start difference. First operand 9874 states and 10362 transitions. Second operand 3 states. [2020-11-29 22:09:03,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:09:03,781 INFO L93 Difference]: Finished difference Result 24681 states and 25992 transitions. [2020-11-29 22:09:03,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:09:03,782 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 778 [2020-11-29 22:09:03,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:09:03,814 INFO L225 Difference]: With dead ends: 24681 [2020-11-29 22:09:03,815 INFO L226 Difference]: Without dead ends: 13164 [2020-11-29 22:09:03,830 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:09:03,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13164 states. [2020-11-29 22:09:04,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13164 to 12835. [2020-11-29 22:09:04,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12835 states. [2020-11-29 22:09:04,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12835 states to 12835 states and 13358 transitions. [2020-11-29 22:09:04,052 INFO L78 Accepts]: Start accepts. Automaton has 12835 states and 13358 transitions. Word has length 778 [2020-11-29 22:09:04,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:09:04,053 INFO L481 AbstractCegarLoop]: Abstraction has 12835 states and 13358 transitions. [2020-11-29 22:09:04,053 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:09:04,053 INFO L276 IsEmpty]: Start isEmpty. Operand 12835 states and 13358 transitions. [2020-11-29 22:09:04,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1062 [2020-11-29 22:09:04,085 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:09:04,087 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-29 22:09:04,087 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-29 22:09:04,088 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:09:04,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:09:04,089 INFO L82 PathProgramCache]: Analyzing trace with hash 172865653, now seen corresponding path program 1 times [2020-11-29 22:09:04,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:09:04,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156652275] [2020-11-29 22:09:04,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:09:04,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:09:06,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1787 backedges. 1120 proven. 0 refuted. 0 times theorem prover too weak. 667 trivial. 0 not checked. [2020-11-29 22:09:06,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156652275] [2020-11-29 22:09:06,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:09:06,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 22:09:06,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675853331] [2020-11-29 22:09:06,170 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 22:09:06,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:09:06,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 22:09:06,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 22:09:06,171 INFO L87 Difference]: Start difference. First operand 12835 states and 13358 transitions. Second operand 4 states. [2020-11-29 22:09:07,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:09:07,865 INFO L93 Difference]: Finished difference Result 25364 states and 26408 transitions. [2020-11-29 22:09:07,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 22:09:07,866 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1061 [2020-11-29 22:09:07,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:09:07,893 INFO L225 Difference]: With dead ends: 25364 [2020-11-29 22:09:07,894 INFO L226 Difference]: Without dead ends: 12860 [2020-11-29 22:09:07,908 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:09:07,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12860 states. [2020-11-29 22:09:08,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12860 to 12506. [2020-11-29 22:09:08,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12506 states. [2020-11-29 22:09:08,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12506 states to 12506 states and 13020 transitions. [2020-11-29 22:09:08,099 INFO L78 Accepts]: Start accepts. Automaton has 12506 states and 13020 transitions. Word has length 1061 [2020-11-29 22:09:08,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:09:08,101 INFO L481 AbstractCegarLoop]: Abstraction has 12506 states and 13020 transitions. [2020-11-29 22:09:08,101 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 22:09:08,101 INFO L276 IsEmpty]: Start isEmpty. Operand 12506 states and 13020 transitions. [2020-11-29 22:09:08,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1119 [2020-11-29 22:09:08,132 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:09:08,133 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-29 22:09:08,133 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-29 22:09:08,134 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:09:08,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:09:08,135 INFO L82 PathProgramCache]: Analyzing trace with hash 610078085, now seen corresponding path program 1 times [2020-11-29 22:09:08,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:09:08,135 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132079823] [2020-11-29 22:09:08,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:09:08,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:09:09,459 INFO L134 CoverageAnalysis]: Checked inductivity of 2700 backedges. 1849 proven. 0 refuted. 0 times theorem prover too weak. 851 trivial. 0 not checked. [2020-11-29 22:09:09,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132079823] [2020-11-29 22:09:09,459 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:09:09,460 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:09:09,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021599814] [2020-11-29 22:09:09,461 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:09:09,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:09:09,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:09:09,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:09:09,462 INFO L87 Difference]: Start difference. First operand 12506 states and 13020 transitions. Second operand 3 states. [2020-11-29 22:09:10,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:09:10,953 INFO L93 Difference]: Finished difference Result 24681 states and 25707 transitions. [2020-11-29 22:09:10,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:09:10,954 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1118 [2020-11-29 22:09:10,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:09:10,981 INFO L225 Difference]: With dead ends: 24681 [2020-11-29 22:09:10,982 INFO L226 Difference]: Without dead ends: 12506 [2020-11-29 22:09:10,996 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:09:11,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12506 states. [2020-11-29 22:09:11,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12506 to 11848. [2020-11-29 22:09:11,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11848 states. [2020-11-29 22:09:11,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11848 states to 11848 states and 12155 transitions. [2020-11-29 22:09:11,219 INFO L78 Accepts]: Start accepts. Automaton has 11848 states and 12155 transitions. Word has length 1118 [2020-11-29 22:09:11,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:09:11,220 INFO L481 AbstractCegarLoop]: Abstraction has 11848 states and 12155 transitions. [2020-11-29 22:09:11,221 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:09:11,221 INFO L276 IsEmpty]: Start isEmpty. Operand 11848 states and 12155 transitions. [2020-11-29 22:09:11,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1144 [2020-11-29 22:09:11,259 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:09:11,260 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-29 22:09:11,260 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-29 22:09:11,261 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:09:11,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:09:11,262 INFO L82 PathProgramCache]: Analyzing trace with hash 759125719, now seen corresponding path program 1 times [2020-11-29 22:09:11,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:09:11,262 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989349737] [2020-11-29 22:09:11,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:09:11,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:09:12,850 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 1509 proven. 0 refuted. 0 times theorem prover too weak. 1341 trivial. 0 not checked. [2020-11-29 22:09:12,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989349737] [2020-11-29 22:09:12,851 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:09:12,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:09:12,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840066215] [2020-11-29 22:09:12,852 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:09:12,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:09:12,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:09:12,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:09:12,854 INFO L87 Difference]: Start difference. First operand 11848 states and 12155 transitions. Second operand 3 states. [2020-11-29 22:09:14,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:09:14,201 INFO L93 Difference]: Finished difference Result 24023 states and 24646 transitions. [2020-11-29 22:09:14,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:09:14,202 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1143 [2020-11-29 22:09:14,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:09:14,226 INFO L225 Difference]: With dead ends: 24023 [2020-11-29 22:09:14,226 INFO L226 Difference]: Without dead ends: 12506 [2020-11-29 22:09:14,236 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:09:14,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12506 states. [2020-11-29 22:09:14,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12506 to 12506. [2020-11-29 22:09:14,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12506 states. [2020-11-29 22:09:14,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12506 states to 12506 states and 12818 transitions. [2020-11-29 22:09:14,437 INFO L78 Accepts]: Start accepts. Automaton has 12506 states and 12818 transitions. Word has length 1143 [2020-11-29 22:09:14,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:09:14,439 INFO L481 AbstractCegarLoop]: Abstraction has 12506 states and 12818 transitions. [2020-11-29 22:09:14,439 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:09:14,439 INFO L276 IsEmpty]: Start isEmpty. Operand 12506 states and 12818 transitions. [2020-11-29 22:09:14,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1198 [2020-11-29 22:09:14,469 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:09:14,470 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:09:14,471 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-29 22:09:14,471 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:09:14,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:09:14,472 INFO L82 PathProgramCache]: Analyzing trace with hash 291855058, now seen corresponding path program 1 times [2020-11-29 22:09:14,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:09:14,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263179989] [2020-11-29 22:09:14,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:09:14,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:09:15,938 INFO L134 CoverageAnalysis]: Checked inductivity of 2804 backedges. 991 proven. 0 refuted. 0 times theorem prover too weak. 1813 trivial. 0 not checked. [2020-11-29 22:09:15,938 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263179989] [2020-11-29 22:09:15,938 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:09:15,938 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:09:15,939 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400665420] [2020-11-29 22:09:15,940 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:09:15,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:09:15,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:09:15,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:09:15,941 INFO L87 Difference]: Start difference. First operand 12506 states and 12818 transitions. Second operand 3 states. [2020-11-29 22:09:17,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:09:17,409 INFO L93 Difference]: Finished difference Result 27313 states and 28041 transitions. [2020-11-29 22:09:17,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:09:17,421 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1197 [2020-11-29 22:09:17,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:09:17,438 INFO L225 Difference]: With dead ends: 27313 [2020-11-29 22:09:17,439 INFO L226 Difference]: Without dead ends: 13493 [2020-11-29 22:09:17,446 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:09:17,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13493 states. [2020-11-29 22:09:17,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13493 to 12177. [2020-11-29 22:09:17,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12177 states. [2020-11-29 22:09:17,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12177 states to 12177 states and 12436 transitions. [2020-11-29 22:09:17,677 INFO L78 Accepts]: Start accepts. Automaton has 12177 states and 12436 transitions. Word has length 1197 [2020-11-29 22:09:17,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:09:17,679 INFO L481 AbstractCegarLoop]: Abstraction has 12177 states and 12436 transitions. [2020-11-29 22:09:17,679 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:09:17,680 INFO L276 IsEmpty]: Start isEmpty. Operand 12177 states and 12436 transitions. [2020-11-29 22:09:17,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1278 [2020-11-29 22:09:17,726 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:09:17,729 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:09:17,729 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-29 22:09:17,729 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:09:17,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:09:17,730 INFO L82 PathProgramCache]: Analyzing trace with hash 241722634, now seen corresponding path program 1 times [2020-11-29 22:09:17,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:09:17,731 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453457688] [2020-11-29 22:09:17,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:09:17,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:09:19,508 INFO L134 CoverageAnalysis]: Checked inductivity of 3044 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 2737 trivial. 0 not checked. [2020-11-29 22:09:19,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453457688] [2020-11-29 22:09:19,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:09:19,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:09:19,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898899685] [2020-11-29 22:09:19,510 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:09:19,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:09:19,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:09:19,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:09:19,511 INFO L87 Difference]: Start difference. First operand 12177 states and 12436 transitions. Second operand 3 states. [2020-11-29 22:09:20,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:09:20,328 INFO L93 Difference]: Finished difference Result 12192 states and 12450 transitions. [2020-11-29 22:09:20,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:09:20,329 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1277 [2020-11-29 22:09:20,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:09:20,343 INFO L225 Difference]: With dead ends: 12192 [2020-11-29 22:09:20,343 INFO L226 Difference]: Without dead ends: 11848 [2020-11-29 22:09:20,348 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:09:20,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11848 states. [2020-11-29 22:09:20,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11848 to 11848. [2020-11-29 22:09:20,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11848 states. [2020-11-29 22:09:20,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11848 states to 11848 states and 12102 transitions. [2020-11-29 22:09:20,518 INFO L78 Accepts]: Start accepts. Automaton has 11848 states and 12102 transitions. Word has length 1277 [2020-11-29 22:09:20,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:09:20,520 INFO L481 AbstractCegarLoop]: Abstraction has 11848 states and 12102 transitions. [2020-11-29 22:09:20,520 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:09:20,520 INFO L276 IsEmpty]: Start isEmpty. Operand 11848 states and 12102 transitions. [2020-11-29 22:09:20,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1294 [2020-11-29 22:09:20,551 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:09:20,552 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:09:20,553 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-11-29 22:09:20,553 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:09:20,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:09:20,554 INFO L82 PathProgramCache]: Analyzing trace with hash -624339877, now seen corresponding path program 1 times [2020-11-29 22:09:20,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:09:20,554 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684961242] [2020-11-29 22:09:20,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:09:20,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:09:23,843 INFO L134 CoverageAnalysis]: Checked inductivity of 2941 backedges. 1176 proven. 1010 refuted. 0 times theorem prover too weak. 755 trivial. 0 not checked. [2020-11-29 22:09:23,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684961242] [2020-11-29 22:09:23,844 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [639800155] [2020-11-29 22:09:23,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6418e84a-e3cb-47e1-975f-76c98ea67cd1/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 22:09:24,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:09:24,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 1522 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 22:09:24,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:09:25,639 INFO L134 CoverageAnalysis]: Checked inductivity of 2941 backedges. 1769 proven. 0 refuted. 0 times theorem prover too weak. 1172 trivial. 0 not checked. [2020-11-29 22:09:25,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 22:09:25,641 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-11-29 22:09:25,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503669728] [2020-11-29 22:09:25,642 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:09:25,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:09:25,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:09:25,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-29 22:09:25,643 INFO L87 Difference]: Start difference. First operand 11848 states and 12102 transitions. Second operand 3 states. [2020-11-29 22:09:27,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:09:27,086 INFO L93 Difference]: Finished difference Result 23363 states and 23870 transitions. [2020-11-29 22:09:27,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:09:27,087 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1293 [2020-11-29 22:09:27,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:09:27,089 INFO L225 Difference]: With dead ends: 23363 [2020-11-29 22:09:27,089 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 22:09:27,099 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1297 GetRequests, 1293 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-29 22:09:27,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 22:09:27,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 22:09:27,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 22:09:27,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 22:09:27,100 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1293 [2020-11-29 22:09:27,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:09:27,101 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 22:09:27,101 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:09:27,101 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 22:09:27,101 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 22:09:27,316 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-11-29 22:09:27,318 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 22:09:28,068 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2020-11-29 22:09:28,668 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 48 [2020-11-29 22:09:29,210 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 48 [2020-11-29 22:09:29,214 INFO L274 CegarLoopResult]: For program point L762(lines 762 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,214 INFO L274 CegarLoopResult]: For program point L696(lines 696 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,214 INFO L274 CegarLoopResult]: For program point L564(lines 564 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,214 INFO L274 CegarLoopResult]: For program point L366(lines 366 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,214 INFO L274 CegarLoopResult]: For program point L1357(lines 1357 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,214 INFO L274 CegarLoopResult]: For program point L300(lines 300 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,214 INFO L274 CegarLoopResult]: For program point L1159(lines 1159 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,214 INFO L274 CegarLoopResult]: For program point L1556(lines 1556 1773) no Hoare annotation was computed. [2020-11-29 22:09:29,214 INFO L274 CegarLoopResult]: For program point L499(lines 499 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,215 INFO L274 CegarLoopResult]: For program point L169-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,215 INFO L274 CegarLoopResult]: For program point L103-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,215 INFO L274 CegarLoopResult]: For program point L37-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,215 INFO L274 CegarLoopResult]: For program point L1028(lines 1028 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,215 INFO L274 CegarLoopResult]: For program point L434(lines 434 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,215 INFO L274 CegarLoopResult]: For program point L1425(lines 1425 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,215 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-11-29 22:09:29,215 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-11-29 22:09:29,215 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-11-29 22:09:29,215 INFO L274 CegarLoopResult]: For program point L1756(lines 1756 1773) no Hoare annotation was computed. [2020-11-29 22:09:29,215 INFO L274 CegarLoopResult]: For program point L1096(lines 1096 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,215 INFO L274 CegarLoopResult]: For program point L964(lines 964 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,215 INFO L274 CegarLoopResult]: For program point L898(lines 898 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,215 INFO L274 CegarLoopResult]: For program point L832(lines 832 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,215 INFO L274 CegarLoopResult]: For program point L634(lines 634 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,215 INFO L274 CegarLoopResult]: For program point L172-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,216 INFO L274 CegarLoopResult]: For program point L106-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,216 INFO L274 CegarLoopResult]: For program point L40-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,216 INFO L274 CegarLoopResult]: For program point L701(lines 701 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,216 INFO L274 CegarLoopResult]: For program point L1692(lines 1692 1773) no Hoare annotation was computed. [2020-11-29 22:09:29,216 INFO L274 CegarLoopResult]: For program point L1626(lines 1626 1773) no Hoare annotation was computed. [2020-11-29 22:09:29,216 INFO L274 CegarLoopResult]: For program point L1494(lines 1494 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,216 INFO L274 CegarLoopResult]: For program point L437(lines 437 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,216 INFO L274 CegarLoopResult]: For program point L371(lines 371 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,216 INFO L274 CegarLoopResult]: For program point L1296(lines 1296 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,216 INFO L274 CegarLoopResult]: For program point L239(lines 239 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,216 INFO L274 CegarLoopResult]: For program point L1230(lines 1230 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,216 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-11-29 22:09:29,216 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-11-29 22:09:29,216 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-11-29 22:09:29,216 INFO L274 CegarLoopResult]: For program point L768(lines 768 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,216 INFO L274 CegarLoopResult]: For program point L570(lines 570 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,217 INFO L274 CegarLoopResult]: For program point L1363(lines 1363 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,217 INFO L274 CegarLoopResult]: For program point L1165(lines 1165 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,217 INFO L274 CegarLoopResult]: For program point L505(lines 505 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,217 INFO L274 CegarLoopResult]: For program point L307(lines 307 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,217 INFO L274 CegarLoopResult]: For program point L175-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,217 INFO L274 CegarLoopResult]: For program point L109-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,217 INFO L274 CegarLoopResult]: For program point L43-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,217 INFO L274 CegarLoopResult]: For program point L1563(lines 1563 1773) no Hoare annotation was computed. [2020-11-29 22:09:29,217 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-11-29 22:09:29,217 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-11-29 22:09:29,217 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-11-29 22:09:29,217 INFO L274 CegarLoopResult]: For program point L1035(lines 1035 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,217 INFO L274 CegarLoopResult]: For program point L1762(lines 1762 1773) no Hoare annotation was computed. [2020-11-29 22:09:29,217 INFO L274 CegarLoopResult]: For program point L1432(lines 1432 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,217 INFO L274 CegarLoopResult]: For program point L1102(lines 1102 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,217 INFO L274 CegarLoopResult]: For program point L904(lines 904 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,218 INFO L274 CegarLoopResult]: For program point L838(lines 838 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,218 INFO L274 CegarLoopResult]: For program point L706(lines 706 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,218 INFO L274 CegarLoopResult]: For program point L1697(lines 1697 1773) no Hoare annotation was computed. [2020-11-29 22:09:29,218 INFO L274 CegarLoopResult]: For program point L1301(lines 1301 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,218 INFO L274 CegarLoopResult]: For program point L178-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,218 INFO L274 CegarLoopResult]: For program point L112-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,218 INFO L274 CegarLoopResult]: For program point L46-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,218 INFO L274 CegarLoopResult]: For program point L971(lines 971 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,218 INFO L274 CegarLoopResult]: For program point L773(lines 773 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,218 INFO L274 CegarLoopResult]: For program point L641(lines 641 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,218 INFO L274 CegarLoopResult]: For program point L1632(lines 1632 1773) no Hoare annotation was computed. [2020-11-29 22:09:29,218 INFO L274 CegarLoopResult]: For program point L377(lines 377 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,218 INFO L274 CegarLoopResult]: For program point L1368(lines 1368 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,218 INFO L274 CegarLoopResult]: For program point L245(lines 245 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,218 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-11-29 22:09:29,218 INFO L274 CegarLoopResult]: For program point L1170(lines 1170 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,219 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-11-29 22:09:29,219 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-11-29 22:09:29,219 INFO L270 CegarLoopResult]: At program point L1501(lines 33 1502) the Hoare annotation is: (let ((.cse4 (<= 4 ~a15~0)) (.cse1 (<= ~a15~0 3)) (.cse2 (= ~a12~0 6)) (.cse7 (<= ~a16~0 11)) (.cse8 (= ~a15~0 3)) (.cse9 (= ~a12~0 9)) (.cse6 (= ~a12~0 8)) (.cse3 (= ~a16~0 8)) (.cse5 (= ~a16~0 9)) (.cse0 (= 7 ~a12~0))) (or (and (<= 11 ~a16~0) .cse0 .cse1) (and .cse2 .cse1) (and .cse0 .cse3) (and .cse4 .cse5 .cse0) (and .cse6 .cse1) (and .cse5 .cse6) (and .cse4 .cse7 (<= ~a12~0 5)) (and .cse8 .cse5 .cse0 (<= 136 ~a18~0)) (and .cse1 .cse3) (and .cse9 .cse1) (and .cse2 .cse7) (and .cse9 .cse5) (and .cse8 (= 5 ~a12~0)) (and .cse9 .cse3) (and .cse6 .cse3) (and .cse5 .cse0 (<= (+ ~a18~0 87) 0)))) [2020-11-29 22:09:29,219 INFO L274 CegarLoopResult]: For program point L444(lines 444 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,219 INFO L274 CegarLoopResult]: For program point L1237(lines 1237 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,219 INFO L274 CegarLoopResult]: For program point L577(lines 577 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,219 INFO L274 CegarLoopResult]: For program point L511(lines 511 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,219 INFO L274 CegarLoopResult]: For program point L313(lines 313 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,220 INFO L274 CegarLoopResult]: For program point L181-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,220 INFO L274 CegarLoopResult]: For program point L115-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,220 INFO L274 CegarLoopResult]: For program point L49-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,220 INFO L274 CegarLoopResult]: For program point L1767(lines 1767 1773) no Hoare annotation was computed. [2020-11-29 22:09:29,220 INFO L274 CegarLoopResult]: For program point L1569(lines 1569 1773) no Hoare annotation was computed. [2020-11-29 22:09:29,220 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-11-29 22:09:29,220 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-11-29 22:09:29,220 INFO L274 CegarLoopResult]: For program point L1107(lines 1107 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,220 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-11-29 22:09:29,220 INFO L274 CegarLoopResult]: For program point L1041(lines 1041 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,220 INFO L274 CegarLoopResult]: For program point L909(lines 909 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,220 INFO L274 CegarLoopResult]: For program point L1438(lines 1438 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,220 INFO L274 CegarLoopResult]: For program point L844(lines 844 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,220 INFO L274 CegarLoopResult]: For program point L1703(lines 1703 1773) no Hoare annotation was computed. [2020-11-29 22:09:29,220 INFO L274 CegarLoopResult]: For program point L646(lines 646 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,220 INFO L274 CegarLoopResult]: For program point L1307(lines 1307 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,221 INFO L274 CegarLoopResult]: For program point L250(lines 250 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,221 INFO L274 CegarLoopResult]: For program point L184-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,221 INFO L274 CegarLoopResult]: For program point L118-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,221 INFO L274 CegarLoopResult]: For program point L52-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,221 INFO L274 CegarLoopResult]: For program point L977(lines 977 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,221 INFO L274 CegarLoopResult]: For program point L779(lines 779 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,221 INFO L274 CegarLoopResult]: For program point L713(lines 713 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,221 INFO L274 CegarLoopResult]: For program point L1638(lines 1638 1773) no Hoare annotation was computed. [2020-11-29 22:09:29,221 INFO L274 CegarLoopResult]: For program point L383(lines 383 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,221 INFO L274 CegarLoopResult]: For program point L1374(lines 1374 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,221 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-11-29 22:09:29,221 INFO L274 CegarLoopResult]: For program point L1176(lines 1176 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,221 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-11-29 22:09:29,221 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-11-29 22:09:29,221 INFO L274 CegarLoopResult]: For program point L1507(lines 1507 1773) no Hoare annotation was computed. [2020-11-29 22:09:29,221 INFO L274 CegarLoopResult]: For program point L450(lines 450 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,222 INFO L274 CegarLoopResult]: For program point L583(lines 583 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,222 INFO L274 CegarLoopResult]: For program point L319(lines 319 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,222 INFO L274 CegarLoopResult]: For program point L1244(lines 1244 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,222 INFO L274 CegarLoopResult]: For program point L187-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,222 INFO L274 CegarLoopResult]: For program point L121-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,222 INFO L274 CegarLoopResult]: For program point L55-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,222 INFO L274 CegarLoopResult]: For program point L1046(lines 1046 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,222 INFO L274 CegarLoopResult]: For program point L716(lines 716 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,222 INFO L274 CegarLoopResult]: For program point L518(lines 518 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,222 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-11-29 22:09:29,222 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-11-29 22:09:29,222 INFO L274 CegarLoopResult]: For program point L1113(lines 1113 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,222 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-11-29 22:09:29,222 INFO L274 CegarLoopResult]: For program point L915(lines 915 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,223 INFO L270 CegarLoopResult]: At program point L1774(lines 1504 1775) the Hoare annotation is: (let ((.cse4 (<= 4 ~a15~0)) (.cse1 (<= ~a15~0 3)) (.cse2 (= ~a12~0 6)) (.cse7 (<= ~a16~0 11)) (.cse8 (= ~a12~0 9)) (.cse6 (= ~a12~0 8)) (.cse3 (= ~a16~0 8)) (.cse5 (= ~a16~0 9)) (.cse0 (= 7 ~a12~0))) (or (and (<= 11 ~a16~0) .cse0 .cse1) (and .cse2 .cse1) (and .cse0 .cse3) (and .cse4 .cse5 .cse0) (and .cse6 .cse1) (and .cse5 .cse6) (and .cse4 .cse7 (<= ~a12~0 5)) (and .cse1 .cse3) (and .cse8 .cse1) (and .cse8 .cse5) (and .cse2 .cse7) (and (= ~a15~0 3) (= 5 ~a12~0)) (and .cse8 .cse3) (and .cse6 .cse3) (and .cse5 .cse0 (<= (+ ~a18~0 87) 0)))) [2020-11-29 22:09:29,223 INFO L274 CegarLoopResult]: For program point L651(lines 651 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,223 INFO L274 CegarLoopResult]: For program point L1576(lines 1576 1773) no Hoare annotation was computed. [2020-11-29 22:09:29,223 INFO L274 CegarLoopResult]: For program point L453(lines 453 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,223 INFO L274 CegarLoopResult]: For program point L1444(lines 1444 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,223 INFO L274 CegarLoopResult]: For program point L850(lines 850 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,223 INFO L274 CegarLoopResult]: For program point L1709(lines 1709 1773) no Hoare annotation was computed. [2020-11-29 22:09:29,223 INFO L274 CegarLoopResult]: For program point L1643(lines 1643 1773) no Hoare annotation was computed. [2020-11-29 22:09:29,223 INFO L274 CegarLoopResult]: For program point L1313(lines 1313 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,223 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 22:09:29,223 INFO L274 CegarLoopResult]: For program point L256(lines 256 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,223 INFO L274 CegarLoopResult]: For program point L190-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,223 INFO L274 CegarLoopResult]: For program point L124-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,223 INFO L274 CegarLoopResult]: For program point L58-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,224 INFO L274 CegarLoopResult]: For program point L785(lines 785 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,224 INFO L274 CegarLoopResult]: For program point L1380(lines 1380 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,224 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-11-29 22:09:29,224 INFO L274 CegarLoopResult]: For program point L1182(lines 1182 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,224 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-11-29 22:09:29,224 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-11-29 22:09:29,224 INFO L274 CegarLoopResult]: For program point L984(lines 984 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,224 INFO L277 CegarLoopResult]: At program point L1777(lines 1777 1793) the Hoare annotation is: true [2020-11-29 22:09:29,224 INFO L274 CegarLoopResult]: For program point L588(lines 588 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,224 INFO L274 CegarLoopResult]: For program point L1513(lines 1513 1773) no Hoare annotation was computed. [2020-11-29 22:09:29,224 INFO L274 CegarLoopResult]: For program point L390(lines 390 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,224 INFO L274 CegarLoopResult]: For program point L325(lines 325 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,224 INFO L274 CegarLoopResult]: For program point L193-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,224 INFO L274 CegarLoopResult]: For program point L127-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,224 INFO L274 CegarLoopResult]: For program point L61-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,225 INFO L274 CegarLoopResult]: For program point L1052(lines 1052 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,225 INFO L274 CegarLoopResult]: For program point L788(lines 788 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,225 INFO L274 CegarLoopResult]: For program point L722(lines 722 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,225 INFO L274 CegarLoopResult]: For program point L1251(lines 1251 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,225 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-11-29 22:09:29,225 INFO L274 CegarLoopResult]: For program point L1185(lines 1185 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,225 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-11-29 22:09:29,225 INFO L274 CegarLoopResult]: For program point L1119(lines 1119 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,225 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-11-29 22:09:29,225 INFO L274 CegarLoopResult]: For program point L1714(lines 1714 1773) no Hoare annotation was computed. [2020-11-29 22:09:29,225 INFO L274 CegarLoopResult]: For program point L1648(lines 1648 1773) no Hoare annotation was computed. [2020-11-29 22:09:29,225 INFO L274 CegarLoopResult]: For program point L525(lines 525 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,225 INFO L274 CegarLoopResult]: For program point L459(lines 459 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,225 INFO L274 CegarLoopResult]: For program point L1450(lines 1450 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,225 INFO L274 CegarLoopResult]: For program point L922(lines 922 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,225 INFO L274 CegarLoopResult]: For program point L856(lines 856 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,226 INFO L274 CegarLoopResult]: For program point L658(lines 658 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,226 INFO L274 CegarLoopResult]: For program point L1583(lines 1583 1773) no Hoare annotation was computed. [2020-11-29 22:09:29,226 INFO L274 CegarLoopResult]: For program point L1385(lines 1385 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,226 INFO L274 CegarLoopResult]: For program point L1319(lines 1319 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,226 INFO L274 CegarLoopResult]: For program point L262(lines 262 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,226 INFO L274 CegarLoopResult]: For program point L196-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,226 INFO L274 CegarLoopResult]: For program point L130-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,226 INFO L274 CegarLoopResult]: For program point L64-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,226 INFO L274 CegarLoopResult]: For program point L989(lines 989 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,226 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-11-29 22:09:29,226 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-11-29 22:09:29,226 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-11-29 22:09:29,226 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 22:09:29,226 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2020-11-29 22:09:29,227 INFO L270 CegarLoopResult]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (let ((.cse4 (<= 4 ~a15~0)) (.cse1 (<= ~a15~0 3)) (.cse2 (= ~a12~0 6)) (.cse7 (<= ~a16~0 11)) (.cse8 (= ~a15~0 3)) (.cse9 (= ~a12~0 9)) (.cse6 (= ~a12~0 8)) (.cse3 (= ~a16~0 8)) (.cse5 (= ~a16~0 9)) (.cse0 (= 7 ~a12~0))) (or (and (<= 11 ~a16~0) .cse0 .cse1) (and .cse2 .cse1) (and .cse0 .cse3) (and .cse4 .cse5 .cse0) (and .cse6 .cse1) (and .cse5 .cse6) (and .cse4 .cse7 (<= ~a12~0 5)) (and .cse8 .cse5 .cse0 (<= 136 ~a18~0)) (and .cse1 .cse3) (and .cse9 .cse1) (and .cse2 .cse7) (and .cse9 .cse5) (and .cse8 (= 5 ~a12~0)) (and .cse9 .cse3) (and .cse6 .cse3) (and .cse5 .cse0 (<= (+ ~a18~0 87) 0)))) [2020-11-29 22:09:29,227 INFO L274 CegarLoopResult]: For program point L594(lines 594 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,227 INFO L274 CegarLoopResult]: For program point L396(lines 396 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,227 INFO L274 CegarLoopResult]: For program point L727(lines 727 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,227 INFO L274 CegarLoopResult]: For program point L1520(lines 1520 1773) no Hoare annotation was computed. [2020-11-29 22:09:29,227 INFO L274 CegarLoopResult]: For program point L331(lines 331 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,227 INFO L274 CegarLoopResult]: For program point L199-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,227 INFO L274 CegarLoopResult]: For program point L133-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,227 INFO L274 CegarLoopResult]: For program point L1124(lines 1124 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,227 INFO L274 CegarLoopResult]: For program point L67-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,227 INFO L274 CegarLoopResult]: For program point L1058(lines 1058 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,227 INFO L274 CegarLoopResult]: For program point L794(lines 794 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,227 INFO L274 CegarLoopResult]: For program point L1719(lines 1719 1773) no Hoare annotation was computed. [2020-11-29 22:09:29,227 INFO L274 CegarLoopResult]: For program point L464(lines 464 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,228 INFO L274 CegarLoopResult]: For program point L1257(lines 1257 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,228 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-11-29 22:09:29,228 INFO L274 CegarLoopResult]: For program point L1191(lines 1191 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,233 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-11-29 22:09:29,233 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-11-29 22:09:29,234 INFO L274 CegarLoopResult]: For program point L927(lines 927 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,234 INFO L274 CegarLoopResult]: For program point L861(lines 861 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,234 INFO L274 CegarLoopResult]: For program point L531(lines 531 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,234 INFO L274 CegarLoopResult]: For program point L1456(lines 1456 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,234 INFO L274 CegarLoopResult]: For program point L1324(lines 1324 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,234 INFO L274 CegarLoopResult]: For program point L267(lines 267 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,234 INFO L274 CegarLoopResult]: For program point L1655(lines 1655 1773) no Hoare annotation was computed. [2020-11-29 22:09:29,234 INFO L274 CegarLoopResult]: For program point L1589(lines 1589 1773) no Hoare annotation was computed. [2020-11-29 22:09:29,234 INFO L274 CegarLoopResult]: For program point L1391(lines 1391 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,234 INFO L274 CegarLoopResult]: For program point L202-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,234 INFO L274 CegarLoopResult]: For program point L136-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,235 INFO L274 CegarLoopResult]: For program point L70-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,235 INFO L274 CegarLoopResult]: For program point L1788(line 1788) no Hoare annotation was computed. [2020-11-29 22:09:29,235 INFO L274 CegarLoopResult]: For program point L665(lines 665 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,235 INFO L274 CegarLoopResult]: For program point L599(lines 599 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,235 INFO L274 CegarLoopResult]: For program point L467(lines 467 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,235 INFO L274 CegarLoopResult]: For program point L401(lines 401 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,235 INFO L274 CegarLoopResult]: For program point L1260(lines 1260 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,235 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-11-29 22:09:29,235 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-11-29 22:09:29,235 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-11-29 22:09:29,235 INFO L274 CegarLoopResult]: For program point L996(lines 996 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,235 INFO L274 CegarLoopResult]: For program point L1525(lines 1525 1773) no Hoare annotation was computed. [2020-11-29 22:09:29,235 INFO L274 CegarLoopResult]: For program point L1459(lines 1459 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,235 INFO L274 CegarLoopResult]: For program point L799(lines 799 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,235 INFO L274 CegarLoopResult]: For program point L733(lines 733 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,235 INFO L274 CegarLoopResult]: For program point L337(lines 337 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,236 INFO L274 CegarLoopResult]: For program point L205-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,236 INFO L274 CegarLoopResult]: For program point L139-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,236 INFO L274 CegarLoopResult]: For program point L1130(lines 1130 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,236 INFO L274 CegarLoopResult]: For program point L73-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,236 INFO L274 CegarLoopResult]: For program point L932(lines 932 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,236 INFO L274 CegarLoopResult]: For program point L1725(lines 1725 1773) no Hoare annotation was computed. [2020-11-29 22:09:29,236 INFO L274 CegarLoopResult]: For program point L272(lines 272 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,236 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-11-29 22:09:29,236 INFO L274 CegarLoopResult]: For program point L1197(lines 1197 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,236 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-11-29 22:09:29,236 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-11-29 22:09:29,237 INFO L274 CegarLoopResult]: For program point L1065(lines 1065 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,237 INFO L274 CegarLoopResult]: For program point L867(lines 867 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,237 INFO L274 CegarLoopResult]: For program point L537(lines 537 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,237 INFO L274 CegarLoopResult]: For program point L1396(lines 1396 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,238 INFO L274 CegarLoopResult]: For program point L1661(lines 1661 1773) no Hoare annotation was computed. [2020-11-29 22:09:29,238 INFO L274 CegarLoopResult]: For program point L604(lines 604 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,238 INFO L274 CegarLoopResult]: For program point L1595(lines 1595 1773) no Hoare annotation was computed. [2020-11-29 22:09:29,238 INFO L274 CegarLoopResult]: For program point L1331(lines 1331 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,239 INFO L274 CegarLoopResult]: For program point L208-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,239 INFO L274 CegarLoopResult]: For program point L142-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,239 INFO L274 CegarLoopResult]: For program point L76-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,239 INFO L274 CegarLoopResult]: For program point L671(lines 671 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,239 INFO L274 CegarLoopResult]: For program point L473(lines 473 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,241 INFO L274 CegarLoopResult]: For program point L1266(lines 1266 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,241 INFO L274 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-11-29 22:09:29,241 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-11-29 22:09:29,241 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-11-29 22:09:29,241 INFO L274 CegarLoopResult]: For program point L738(lines 738 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,241 INFO L274 CegarLoopResult]: For program point L1531(lines 1531 1773) no Hoare annotation was computed. [2020-11-29 22:09:29,242 INFO L274 CegarLoopResult]: For program point L408(lines 408 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,242 INFO L274 CegarLoopResult]: For program point L1135(lines 1135 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,242 INFO L274 CegarLoopResult]: For program point L1003(lines 1003 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,242 INFO L274 CegarLoopResult]: For program point L1466(lines 1466 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,242 INFO L274 CegarLoopResult]: For program point L343(lines 343 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,242 INFO L274 CegarLoopResult]: For program point L211-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,242 INFO L274 CegarLoopResult]: For program point L145-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,242 INFO L274 CegarLoopResult]: For program point L79-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,242 INFO L274 CegarLoopResult]: For program point L13(line 13) no Hoare annotation was computed. [2020-11-29 22:09:29,242 INFO L274 CegarLoopResult]: For program point L806(lines 806 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,242 INFO L274 CegarLoopResult]: For program point L1731(lines 1731 1773) no Hoare annotation was computed. [2020-11-29 22:09:29,242 INFO L274 CegarLoopResult]: For program point L674(lines 674 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,242 INFO L274 CegarLoopResult]: For program point L278(lines 278 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,242 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-11-29 22:09:29,242 INFO L274 CegarLoopResult]: For program point L1203(lines 1203 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,242 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-11-29 22:09:29,242 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-11-29 22:09:29,243 INFO L274 CegarLoopResult]: For program point L1071(lines 1071 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,243 INFO L274 CegarLoopResult]: For program point L939(lines 939 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,243 INFO L274 CegarLoopResult]: For program point L873(lines 873 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,243 INFO L274 CegarLoopResult]: For program point L1666(lines 1666 1773) no Hoare annotation was computed. [2020-11-29 22:09:29,243 INFO L274 CegarLoopResult]: For program point L543(lines 543 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,243 INFO L274 CegarLoopResult]: For program point L1402(lines 1402 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,243 INFO L274 CegarLoopResult]: For program point L610(lines 610 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,243 INFO L274 CegarLoopResult]: For program point L1601(lines 1601 1773) no Hoare annotation was computed. [2020-11-29 22:09:29,243 INFO L274 CegarLoopResult]: For program point L1337(lines 1337 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,243 INFO L274 CegarLoopResult]: For program point L214-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,243 INFO L274 CegarLoopResult]: For program point L148-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,243 INFO L274 CegarLoopResult]: For program point L82-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,243 INFO L274 CegarLoopResult]: For program point L479(lines 479 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,243 INFO L274 CegarLoopResult]: For program point L1272(lines 1272 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,243 INFO L274 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-11-29 22:09:29,243 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-29 22:09:29,243 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-11-29 22:09:29,244 INFO L274 CegarLoopResult]: For program point L744(lines 744 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,244 INFO L274 CegarLoopResult]: For program point L1537(lines 1537 1773) no Hoare annotation was computed. [2020-11-29 22:09:29,244 INFO L274 CegarLoopResult]: For program point L1471(lines 1471 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,244 INFO L274 CegarLoopResult]: For program point L414(lines 414 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,244 INFO L274 CegarLoopResult]: For program point L348(lines 348 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,244 INFO L274 CegarLoopResult]: For program point L1141(lines 1141 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,244 INFO L274 CegarLoopResult]: For program point L1009(lines 1009 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,244 INFO L274 CegarLoopResult]: For program point L151-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,244 INFO L274 CegarLoopResult]: For program point L85-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,244 INFO L274 CegarLoopResult]: For program point L812(lines 812 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,244 INFO L274 CegarLoopResult]: For program point L1737(lines 1737 1773) no Hoare annotation was computed. [2020-11-29 22:09:29,244 INFO L274 CegarLoopResult]: For program point L680(lines 680 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,244 INFO L274 CegarLoopResult]: For program point L548(lines 548 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,245 INFO L274 CegarLoopResult]: For program point L1407(lines 1407 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,245 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 22:09:29,245 INFO L274 CegarLoopResult]: For program point L284(lines 284 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,245 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-11-29 22:09:29,245 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-11-29 22:09:29,245 INFO L274 CegarLoopResult]: For program point L1077(lines 1077 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,245 INFO L274 CegarLoopResult]: For program point L945(lines 945 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,245 INFO L274 CegarLoopResult]: For program point L879(lines 879 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,245 INFO L274 CegarLoopResult]: For program point L1210(lines 1210 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,245 INFO L274 CegarLoopResult]: For program point L1673(lines 1673 1773) no Hoare annotation was computed. [2020-11-29 22:09:29,245 INFO L274 CegarLoopResult]: For program point L616(lines 616 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,245 INFO L274 CegarLoopResult]: For program point L1607(lines 1607 1773) no Hoare annotation was computed. [2020-11-29 22:09:29,245 INFO L274 CegarLoopResult]: For program point L1277(lines 1277 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,245 INFO L274 CegarLoopResult]: For program point L154-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,245 INFO L274 CegarLoopResult]: For program point L88-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,246 INFO L274 CegarLoopResult]: For program point L1476(lines 1476 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,246 INFO L274 CegarLoopResult]: For program point L1344(lines 1344 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,246 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-11-29 22:09:29,246 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-11-29 22:09:29,246 INFO L274 CegarLoopResult]: For program point L486(lines 486 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,246 INFO L274 CegarLoopResult]: For program point L1147(lines 1147 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,246 INFO L274 CegarLoopResult]: For program point L1015(lines 1015 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,246 INFO L274 CegarLoopResult]: For program point L751(lines 751 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,246 INFO L274 CegarLoopResult]: For program point L553(lines 553 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,246 INFO L274 CegarLoopResult]: For program point L1544(lines 1544 1773) no Hoare annotation was computed. [2020-11-29 22:09:29,246 INFO L274 CegarLoopResult]: For program point L421(lines 421 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,246 INFO L274 CegarLoopResult]: For program point L355(lines 355 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,246 INFO L274 CegarLoopResult]: For program point L289(lines 289 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,246 INFO L274 CegarLoopResult]: For program point L223(lines 223 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,246 INFO L274 CegarLoopResult]: For program point L157-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,246 INFO L274 CegarLoopResult]: For program point L91-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,247 INFO L274 CegarLoopResult]: For program point L818(lines 818 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,247 INFO L274 CegarLoopResult]: For program point L1743(lines 1743 1773) no Hoare annotation was computed. [2020-11-29 22:09:29,247 INFO L274 CegarLoopResult]: For program point L1413(lines 1413 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,247 INFO L274 CegarLoopResult]: For program point L1215(lines 1215 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,247 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-11-29 22:09:29,247 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-11-29 22:09:29,247 INFO L274 CegarLoopResult]: For program point L1083(lines 1083 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,247 INFO L274 CegarLoopResult]: For program point L885(lines 885 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,247 INFO L274 CegarLoopResult]: For program point L687(lines 687 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,247 INFO L274 CegarLoopResult]: For program point L952(lines 952 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,247 INFO L274 CegarLoopResult]: For program point L1679(lines 1679 1773) no Hoare annotation was computed. [2020-11-29 22:09:29,247 INFO L274 CegarLoopResult]: For program point L622(lines 622 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,247 INFO L274 CegarLoopResult]: For program point L1613(lines 1613 1773) no Hoare annotation was computed. [2020-11-29 22:09:29,247 INFO L274 CegarLoopResult]: For program point L160-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,247 INFO L274 CegarLoopResult]: For program point L94-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,247 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 22:09:29,248 INFO L274 CegarLoopResult]: For program point L1482(lines 1482 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,248 INFO L274 CegarLoopResult]: For program point L1284(lines 1284 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,248 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-11-29 22:09:29,248 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-11-29 22:09:29,248 INFO L274 CegarLoopResult]: For program point L756(lines 756 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,248 INFO L274 CegarLoopResult]: For program point L690(lines 690 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,248 INFO L274 CegarLoopResult]: For program point L558(lines 558 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,248 INFO L274 CegarLoopResult]: For program point L360(lines 360 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,248 INFO L274 CegarLoopResult]: For program point L1351(lines 1351 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,248 INFO L274 CegarLoopResult]: For program point L228(lines 228 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,248 INFO L274 CegarLoopResult]: For program point L1153(lines 1153 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,248 INFO L274 CegarLoopResult]: For program point L1021(lines 1021 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,248 INFO L274 CegarLoopResult]: For program point L1550(lines 1550 1773) no Hoare annotation was computed. [2020-11-29 22:09:29,249 INFO L274 CegarLoopResult]: For program point L493(lines 493 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,249 INFO L274 CegarLoopResult]: For program point L427(lines 427 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,249 INFO L274 CegarLoopResult]: For program point L295(lines 295 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,249 INFO L274 CegarLoopResult]: For program point L163-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,249 INFO L274 CegarLoopResult]: For program point L97-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,249 INFO L274 CegarLoopResult]: For program point L1749(lines 1749 1773) no Hoare annotation was computed. [2020-11-29 22:09:29,249 INFO L274 CegarLoopResult]: For program point L1419(lines 1419 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,249 INFO L274 CegarLoopResult]: For program point L1221(lines 1221 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,249 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-11-29 22:09:29,249 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-11-29 22:09:29,249 INFO L274 CegarLoopResult]: For program point L1089(lines 1089 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,250 INFO L274 CegarLoopResult]: For program point L825(lines 825 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,250 INFO L274 CegarLoopResult]: For program point L958(lines 958 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,250 INFO L274 CegarLoopResult]: For program point L892(lines 892 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,250 INFO L274 CegarLoopResult]: For program point L1685(lines 1685 1773) no Hoare annotation was computed. [2020-11-29 22:09:29,250 INFO L274 CegarLoopResult]: For program point L628(lines 628 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,250 INFO L274 CegarLoopResult]: For program point L1619(lines 1619 1773) no Hoare annotation was computed. [2020-11-29 22:09:29,250 INFO L274 CegarLoopResult]: For program point L1487(lines 1487 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,250 INFO L274 CegarLoopResult]: For program point L166-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,251 INFO L274 CegarLoopResult]: For program point L100-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,251 INFO L274 CegarLoopResult]: For program point L34(lines 34 36) no Hoare annotation was computed. [2020-11-29 22:09:29,251 INFO L274 CegarLoopResult]: For program point L34-2(lines 33 1502) no Hoare annotation was computed. [2020-11-29 22:09:29,251 INFO L274 CegarLoopResult]: For program point L1290(lines 1290 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,251 INFO L274 CegarLoopResult]: For program point L233(lines 233 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,251 INFO L274 CegarLoopResult]: For program point L1224(lines 1224 1500) no Hoare annotation was computed. [2020-11-29 22:09:29,251 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-11-29 22:09:29,251 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-11-29 22:09:29,251 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-11-29 22:09:29,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 10:09:29 BoogieIcfgContainer [2020-11-29 22:09:29,279 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 22:09:29,279 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 22:09:29,279 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 22:09:29,280 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 22:09:29,280 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:08:29" (3/4) ... [2020-11-29 22:09:29,284 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 22:09:29,330 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-11-29 22:09:29,334 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 22:09:29,338 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 22:09:29,342 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 22:09:29,614 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6418e84a-e3cb-47e1-975f-76c98ea67cd1/bin/uautomizer/witness.graphml [2020-11-29 22:09:29,615 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 22:09:29,616 INFO L168 Benchmark]: Toolchain (without parser) took 65838.11 ms. Allocated memory was 88.1 MB in the beginning and 3.3 GB in the end (delta: 3.2 GB). Free memory was 63.5 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.7 GB. Max. memory is 16.1 GB. [2020-11-29 22:09:29,616 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 88.1 MB. Free memory is still 63.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:09:29,617 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1368.33 ms. Allocated memory was 88.1 MB in the beginning and 119.5 MB in the end (delta: 31.5 MB). Free memory was 63.3 MB in the beginning and 64.8 MB in the end (delta: -1.5 MB). Peak memory consumption was 42.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:09:29,617 INFO L168 Benchmark]: Boogie Procedure Inliner took 291.51 ms. Allocated memory is still 119.5 MB. Free memory was 64.8 MB in the beginning and 70.6 MB in the end (delta: -5.8 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. [2020-11-29 22:09:29,618 INFO L168 Benchmark]: Boogie Preprocessor took 243.42 ms. Allocated memory is still 119.5 MB. Free memory was 70.6 MB in the beginning and 56.5 MB in the end (delta: 14.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 22:09:29,618 INFO L168 Benchmark]: RCFGBuilder took 3337.24 ms. Allocated memory was 119.5 MB in the beginning and 172.0 MB in the end (delta: 52.4 MB). Free memory was 56.5 MB in the beginning and 71.9 MB in the end (delta: -15.3 MB). Peak memory consumption was 51.9 MB. Max. memory is 16.1 GB. [2020-11-29 22:09:29,619 INFO L168 Benchmark]: TraceAbstraction took 60250.97 ms. Allocated memory was 172.0 MB in the beginning and 3.3 GB in the end (delta: 3.1 GB). Free memory was 71.9 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.6 GB. Max. memory is 16.1 GB. [2020-11-29 22:09:29,619 INFO L168 Benchmark]: Witness Printer took 335.35 ms. Allocated memory is still 3.3 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. [2020-11-29 22:09:29,621 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 88.1 MB. Free memory is still 63.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1368.33 ms. Allocated memory was 88.1 MB in the beginning and 119.5 MB in the end (delta: 31.5 MB). Free memory was 63.3 MB in the beginning and 64.8 MB in the end (delta: -1.5 MB). Peak memory consumption was 42.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 291.51 ms. Allocated memory is still 119.5 MB. Free memory was 64.8 MB in the beginning and 70.6 MB in the end (delta: -5.8 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 243.42 ms. Allocated memory is still 119.5 MB. Free memory was 70.6 MB in the beginning and 56.5 MB in the end (delta: 14.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3337.24 ms. Allocated memory was 119.5 MB in the beginning and 172.0 MB in the end (delta: 52.4 MB). Free memory was 56.5 MB in the beginning and 71.9 MB in the end (delta: -15.3 MB). Peak memory consumption was 51.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 60250.97 ms. Allocated memory was 172.0 MB in the beginning and 3.3 GB in the end (delta: 3.1 GB). Free memory was 71.9 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.6 GB. Max. memory is 16.1 GB. * Witness Printer took 335.35 ms. Allocated memory is still 3.3 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 13]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1504]: Loop Invariant Derived loop invariant: (((((((((((((((11 <= a16 && 7 == a12) && a15 <= 3) || (a12 == 6 && a15 <= 3)) || (7 == a12 && a16 == 8)) || ((4 <= a15 && a16 == 9) && 7 == a12)) || (a12 == 8 && a15 <= 3)) || (a16 == 9 && a12 == 8)) || ((4 <= a15 && a16 <= 11) && a12 <= 5)) || (a15 <= 3 && a16 == 8)) || (a12 == 9 && a15 <= 3)) || (a12 == 9 && a16 == 9)) || (a12 == 6 && a16 <= 11)) || (a15 == 3 && 5 == a12)) || (a12 == 9 && a16 == 8)) || (a12 == 8 && a16 == 8)) || ((a16 == 9 && 7 == a12) && a18 + 87 <= 0) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((((((((((((((11 <= a16 && 7 == a12) && a15 <= 3) || (a12 == 6 && a15 <= 3)) || (7 == a12 && a16 == 8)) || ((4 <= a15 && a16 == 9) && 7 == a12)) || (a12 == 8 && a15 <= 3)) || (a16 == 9 && a12 == 8)) || ((4 <= a15 && a16 <= 11) && a12 <= 5)) || (((a15 == 3 && a16 == 9) && 7 == a12) && 136 <= a18)) || (a15 <= 3 && a16 == 8)) || (a12 == 9 && a15 <= 3)) || (a12 == 6 && a16 <= 11)) || (a12 == 9 && a16 == 9)) || (a15 == 3 && 5 == a12)) || (a12 == 9 && a16 == 8)) || (a12 == 8 && a16 == 8)) || ((a16 == 9 && 7 == a12) && a18 + 87 <= 0) - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: ((((((((((((((((11 <= a16 && 7 == a12) && a15 <= 3) || (a12 == 6 && a15 <= 3)) || (7 == a12 && a16 == 8)) || ((4 <= a15 && a16 == 9) && 7 == a12)) || (a12 == 8 && a15 <= 3)) || (a16 == 9 && a12 == 8)) || ((4 <= a15 && a16 <= 11) && a12 <= 5)) || (((a15 == 3 && a16 == 9) && 7 == a12) && 136 <= a18)) || (a15 <= 3 && a16 == 8)) || (a12 == 9 && a15 <= 3)) || (a12 == 6 && a16 <= 11)) || (a12 == 9 && a16 == 9)) || (a15 == 3 && 5 == a12)) || (a12 == 9 && a16 == 8)) || (a12 == 8 && a16 == 8)) || ((a16 == 9 && 7 == a12) && a18 + 87 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 397 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 58.1s, OverallIterations: 17, TraceHistogramMax: 8, AutomataDifference: 34.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5374 SDtfs, 3760 SDslu, 226 SDs, 0 SdLazy, 15185 SolverSat, 2535 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1732 GetRequests, 1702 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12835occurred 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: 2.3s AutomataMinimizationTime, 17 MinimizatonAttempts, 4340 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 162 NumberOfFragments, 387 HoareAnnotationTreeSize, 4 FomulaSimplifications, 6075 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 4 FomulaSimplificationsInter, 1031 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 6.5s InterpolantComputationTime, 13054 NumberOfCodeBlocks, 13054 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 13035 ConstructedInterpolants, 0 QuantifiedInterpolants, 29544842 SizeOfPredicates, 2 NumberOfNonLiveVariables, 2019 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 19 InterpolantComputations, 17 PerfectInterpolantSequences, 22484/23536 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...