./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label11.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_2a320a24-5b6e-42b9-a1c2-46c8a2e7fb9a/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2a320a24-5b6e-42b9-a1c2-46c8a2e7fb9a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2a320a24-5b6e-42b9-a1c2-46c8a2e7fb9a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2a320a24-5b6e-42b9-a1c2-46c8a2e7fb9a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label11.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2a320a24-5b6e-42b9-a1c2-46c8a2e7fb9a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2a320a24-5b6e-42b9-a1c2-46c8a2e7fb9a/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 6691501f936812008ae2aab4b0a1a1ac8b067e57 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 02:56:41,721 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:56:41,725 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:56:41,791 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:56:41,792 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:56:41,802 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:56:41,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:56:41,808 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:56:41,826 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:56:41,827 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:56:41,829 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:56:41,830 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:56:41,831 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:56:41,832 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:56:41,834 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:56:41,835 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:56:41,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:56:41,838 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:56:41,840 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:56:41,843 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:56:41,855 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:56:41,857 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:56:41,860 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:56:41,861 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:56:41,871 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:56:41,871 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:56:41,872 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:56:41,874 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:56:41,875 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:56:41,877 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:56:41,877 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:56:41,879 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:56:41,881 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:56:41,883 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:56:41,884 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:56:41,885 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:56:41,886 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:56:41,886 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:56:41,887 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:56:41,888 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:56:41,890 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:56:41,892 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2a320a24-5b6e-42b9-a1c2-46c8a2e7fb9a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 02:56:41,932 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:56:41,933 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:56:41,935 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:56:41,935 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:56:41,935 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:56:41,935 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:56:41,936 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 02:56:41,936 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 02:56:41,936 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 02:56:41,936 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:56:41,938 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 02:56:41,938 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 02:56:41,938 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 02:56:41,938 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 02:56:41,939 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:56:41,939 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:56:41,939 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 02:56:41,939 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:56:41,940 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:56:41,940 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 02:56:41,940 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 02:56:41,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:56:41,941 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:56:41,941 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 02:56:41,941 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 02:56:41,942 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 02:56:41,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 02:56:41,942 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 02:56:41,942 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:56:41,943 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_2a320a24-5b6e-42b9-a1c2-46c8a2e7fb9a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2a320a24-5b6e-42b9-a1c2-46c8a2e7fb9a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6691501f936812008ae2aab4b0a1a1ac8b067e57 [2020-11-28 02:56:42,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:56:42,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:56:42,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:56:42,241 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:56:42,244 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:56:42,246 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2a320a24-5b6e-42b9-a1c2-46c8a2e7fb9a/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label11.c [2020-11-28 02:56:42,332 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2a320a24-5b6e-42b9-a1c2-46c8a2e7fb9a/bin/uautomizer/data/50a13a55a/b53c1e4e26b34eaa87a916b1ed20aa4c/FLAG2bf2efe3f [2020-11-28 02:56:43,078 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:56:43,078 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2a320a24-5b6e-42b9-a1c2-46c8a2e7fb9a/sv-benchmarks/c/eca-rers2012/Problem01_label11.c [2020-11-28 02:56:43,097 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2a320a24-5b6e-42b9-a1c2-46c8a2e7fb9a/bin/uautomizer/data/50a13a55a/b53c1e4e26b34eaa87a916b1ed20aa4c/FLAG2bf2efe3f [2020-11-28 02:56:43,309 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2a320a24-5b6e-42b9-a1c2-46c8a2e7fb9a/bin/uautomizer/data/50a13a55a/b53c1e4e26b34eaa87a916b1ed20aa4c [2020-11-28 02:56:43,311 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:56:43,313 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:56:43,314 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:56:43,315 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:56:43,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:56:43,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:56:43" (1/1) ... [2020-11-28 02:56:43,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10ea5e91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:43, skipping insertion in model container [2020-11-28 02:56:43,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:56:43" (1/1) ... [2020-11-28 02:56:43,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:56:43,384 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:56:43,827 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:56:43,847 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:56:44,016 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:56:44,033 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:56:44,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:44 WrapperNode [2020-11-28 02:56:44,034 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:56:44,035 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 02:56:44,035 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 02:56:44,035 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 02:56:44,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:44" (1/1) ... [2020-11-28 02:56:44,065 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:44" (1/1) ... [2020-11-28 02:56:44,116 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 02:56:44,117 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:56:44,117 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:56:44,117 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:56:44,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:44" (1/1) ... [2020-11-28 02:56:44,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:44" (1/1) ... [2020-11-28 02:56:44,132 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:44" (1/1) ... [2020-11-28 02:56:44,132 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:44" (1/1) ... [2020-11-28 02:56:44,154 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:44" (1/1) ... [2020-11-28 02:56:44,163 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:44" (1/1) ... [2020-11-28 02:56:44,171 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:44" (1/1) ... [2020-11-28 02:56:44,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:56:44,182 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:56:44,182 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:56:44,182 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:56:44,183 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a320a24-5b6e-42b9-a1c2-46c8a2e7fb9a/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 [2020-11-28 02:56:44,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 02:56:44,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 02:56:44,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:56:44,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:56:45,856 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 02:56:45,857 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 02:56:45,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:45 BoogieIcfgContainer [2020-11-28 02:56:45,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 02:56:45,863 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 02:56:45,864 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 02:56:45,867 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 02:56:45,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:56:43" (1/3) ... [2020-11-28 02:56:45,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@388f3ca9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:56:45, skipping insertion in model container [2020-11-28 02:56:45,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:44" (2/3) ... [2020-11-28 02:56:45,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@388f3ca9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:56:45, skipping insertion in model container [2020-11-28 02:56:45,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:45" (3/3) ... [2020-11-28 02:56:45,872 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label11.c [2020-11-28 02:56:45,883 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 02:56:45,887 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 02:56:45,900 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 02:56:45,944 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 02:56:45,945 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 02:56:45,945 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 02:56:45,945 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 02:56:45,945 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 02:56:45,945 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 02:56:45,945 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 02:56:45,945 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 02:56:45,966 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2020-11-28 02:56:45,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-11-28 02:56:45,978 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:45,979 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:45,980 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:45,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:45,986 INFO L82 PathProgramCache]: Analyzing trace with hash 1067563974, now seen corresponding path program 1 times [2020-11-28 02:56:45,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:45,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989172359] [2020-11-28 02:56:45,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:46,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:46,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:56:46,540 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989172359] [2020-11-28 02:56:46,541 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:46,542 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:56:46,543 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51486588] [2020-11-28 02:56:46,550 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:56:46,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:46,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:56:46,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:56:46,567 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 3 states. [2020-11-28 02:56:47,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:47,864 INFO L93 Difference]: Finished difference Result 529 states and 916 transitions. [2020-11-28 02:56:47,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:56:47,866 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2020-11-28 02:56:47,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:47,881 INFO L225 Difference]: With dead ends: 529 [2020-11-28 02:56:47,881 INFO L226 Difference]: Without dead ends: 266 [2020-11-28 02:56:47,885 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 [2020-11-28 02:56:47,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-11-28 02:56:47,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-11-28 02:56:47,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-11-28 02:56:47,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 386 transitions. [2020-11-28 02:56:47,958 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 386 transitions. Word has length 109 [2020-11-28 02:56:47,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:47,964 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 386 transitions. [2020-11-28 02:56:47,964 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:56:47,965 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 386 transitions. [2020-11-28 02:56:47,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-11-28 02:56:47,975 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:47,976 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-28 02:56:47,976 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 02:56:47,976 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:47,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:47,977 INFO L82 PathProgramCache]: Analyzing trace with hash 149189585, now seen corresponding path program 1 times [2020-11-28 02:56:47,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:47,978 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459534221] [2020-11-28 02:56:47,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:48,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:48,077 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:56:48,078 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459534221] [2020-11-28 02:56:48,078 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:48,079 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:56:48,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624422814] [2020-11-28 02:56:48,080 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:56:48,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:48,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:56:48,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:56:48,084 INFO L87 Difference]: Start difference. First operand 266 states and 386 transitions. Second operand 3 states. [2020-11-28 02:56:48,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:48,732 INFO L93 Difference]: Finished difference Result 792 states and 1153 transitions. [2020-11-28 02:56:48,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:56:48,734 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2020-11-28 02:56:48,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:48,739 INFO L225 Difference]: With dead ends: 792 [2020-11-28 02:56:48,739 INFO L226 Difference]: Without dead ends: 528 [2020-11-28 02:56:48,743 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 [2020-11-28 02:56:48,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2020-11-28 02:56:48,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2020-11-28 02:56:48,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2020-11-28 02:56:48,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 727 transitions. [2020-11-28 02:56:48,786 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 727 transitions. Word has length 115 [2020-11-28 02:56:48,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:48,787 INFO L481 AbstractCegarLoop]: Abstraction has 528 states and 727 transitions. [2020-11-28 02:56:48,787 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:56:48,787 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 727 transitions. [2020-11-28 02:56:48,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-11-28 02:56:48,790 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:48,790 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-28 02:56:48,790 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 02:56:48,791 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:48,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:48,792 INFO L82 PathProgramCache]: Analyzing trace with hash 1697454289, now seen corresponding path program 1 times [2020-11-28 02:56:48,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:48,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97497932] [2020-11-28 02:56:48,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:48,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:49,107 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:56:49,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97497932] [2020-11-28 02:56:49,107 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:49,108 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:56:49,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007507396] [2020-11-28 02:56:49,109 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 02:56:49,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:49,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 02:56:49,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 02:56:49,110 INFO L87 Difference]: Start difference. First operand 528 states and 727 transitions. Second operand 4 states. [2020-11-28 02:56:50,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:50,041 INFO L93 Difference]: Finished difference Result 1411 states and 1930 transitions. [2020-11-28 02:56:50,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 02:56:50,043 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 116 [2020-11-28 02:56:50,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:50,051 INFO L225 Difference]: With dead ends: 1411 [2020-11-28 02:56:50,051 INFO L226 Difference]: Without dead ends: 790 [2020-11-28 02:56:50,053 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 02:56:50,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2020-11-28 02:56:50,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2020-11-28 02:56:50,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2020-11-28 02:56:50,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 948 transitions. [2020-11-28 02:56:50,118 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 948 transitions. Word has length 116 [2020-11-28 02:56:50,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:50,119 INFO L481 AbstractCegarLoop]: Abstraction has 790 states and 948 transitions. [2020-11-28 02:56:50,119 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 02:56:50,119 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 948 transitions. [2020-11-28 02:56:50,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-11-28 02:56:50,125 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:50,125 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:50,125 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 02:56:50,126 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:50,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:50,127 INFO L82 PathProgramCache]: Analyzing trace with hash -631154212, now seen corresponding path program 1 times [2020-11-28 02:56:50,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:50,127 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582360265] [2020-11-28 02:56:50,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:50,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:50,280 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:56:50,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582360265] [2020-11-28 02:56:50,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1692244475] [2020-11-28 02:56:50,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a320a24-5b6e-42b9-a1c2-46c8a2e7fb9a/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 [2020-11-28 02:56:50,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:50,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 02:56:50,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:56:50,670 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 02:56:50,670 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 02:56:50,670 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-28 02:56:50,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297850345] [2020-11-28 02:56:50,671 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:56:50,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:50,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:56:50,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:56:50,672 INFO L87 Difference]: Start difference. First operand 790 states and 948 transitions. Second operand 3 states. [2020-11-28 02:56:51,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:51,316 INFO L93 Difference]: Finished difference Result 2102 states and 2570 transitions. [2020-11-28 02:56:51,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:56:51,317 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-11-28 02:56:51,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:51,327 INFO L225 Difference]: With dead ends: 2102 [2020-11-28 02:56:51,328 INFO L226 Difference]: Without dead ends: 1314 [2020-11-28 02:56:51,329 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:56:51,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2020-11-28 02:56:51,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1183. [2020-11-28 02:56:51,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1183 states. [2020-11-28 02:56:51,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1415 transitions. [2020-11-28 02:56:51,395 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1415 transitions. Word has length 121 [2020-11-28 02:56:51,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:51,395 INFO L481 AbstractCegarLoop]: Abstraction has 1183 states and 1415 transitions. [2020-11-28 02:56:51,396 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:56:51,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1415 transitions. [2020-11-28 02:56:51,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-11-28 02:56:51,399 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:51,399 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:51,627 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 02:56:51,627 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:51,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:51,628 INFO L82 PathProgramCache]: Analyzing trace with hash -312061004, now seen corresponding path program 1 times [2020-11-28 02:56:51,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:51,628 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263601561] [2020-11-28 02:56:51,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:51,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:51,752 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-11-28 02:56:51,753 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263601561] [2020-11-28 02:56:51,753 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:51,753 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:56:51,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451753203] [2020-11-28 02:56:51,754 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 02:56:51,754 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:51,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 02:56:51,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 02:56:51,755 INFO L87 Difference]: Start difference. First operand 1183 states and 1415 transitions. Second operand 4 states. [2020-11-28 02:56:52,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:52,694 INFO L93 Difference]: Finished difference Result 3281 states and 3995 transitions. [2020-11-28 02:56:52,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 02:56:52,695 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 138 [2020-11-28 02:56:52,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:52,706 INFO L225 Difference]: With dead ends: 3281 [2020-11-28 02:56:52,706 INFO L226 Difference]: Without dead ends: 2100 [2020-11-28 02:56:52,709 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 02:56:52,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2020-11-28 02:56:52,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 1707. [2020-11-28 02:56:52,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1707 states. [2020-11-28 02:56:52,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 2032 transitions. [2020-11-28 02:56:52,766 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 2032 transitions. Word has length 138 [2020-11-28 02:56:52,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:52,767 INFO L481 AbstractCegarLoop]: Abstraction has 1707 states and 2032 transitions. [2020-11-28 02:56:52,767 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 02:56:52,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 2032 transitions. [2020-11-28 02:56:52,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-11-28 02:56:52,772 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:52,772 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:52,773 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 02:56:52,773 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:52,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:52,774 INFO L82 PathProgramCache]: Analyzing trace with hash 2131296848, now seen corresponding path program 1 times [2020-11-28 02:56:52,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:52,774 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145929502] [2020-11-28 02:56:52,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:52,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:52,870 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-28 02:56:52,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145929502] [2020-11-28 02:56:52,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:52,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:56:52,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90407393] [2020-11-28 02:56:52,873 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:56:52,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:52,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:56:52,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:56:52,874 INFO L87 Difference]: Start difference. First operand 1707 states and 2032 transitions. Second operand 3 states. [2020-11-28 02:56:53,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:53,544 INFO L93 Difference]: Finished difference Result 4329 states and 5114 transitions. [2020-11-28 02:56:53,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:56:53,546 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2020-11-28 02:56:53,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:53,561 INFO L225 Difference]: With dead ends: 4329 [2020-11-28 02:56:53,562 INFO L226 Difference]: Without dead ends: 2624 [2020-11-28 02:56:53,564 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 [2020-11-28 02:56:53,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2624 states. [2020-11-28 02:56:53,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2624 to 2231. [2020-11-28 02:56:53,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2231 states. [2020-11-28 02:56:53,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2637 transitions. [2020-11-28 02:56:53,624 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2637 transitions. Word has length 147 [2020-11-28 02:56:53,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:53,625 INFO L481 AbstractCegarLoop]: Abstraction has 2231 states and 2637 transitions. [2020-11-28 02:56:53,625 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:56:53,625 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2637 transitions. [2020-11-28 02:56:53,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-11-28 02:56:53,630 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:53,632 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:53,632 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 02:56:53,633 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:53,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:53,638 INFO L82 PathProgramCache]: Analyzing trace with hash 973670721, now seen corresponding path program 1 times [2020-11-28 02:56:53,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:53,638 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18668077] [2020-11-28 02:56:53,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:53,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:53,784 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 49 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-28 02:56:53,785 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18668077] [2020-11-28 02:56:53,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1384972616] [2020-11-28 02:56:53,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a320a24-5b6e-42b9-a1c2-46c8a2e7fb9a/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 [2020-11-28 02:56:53,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:53,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 02:56:53,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:56:54,023 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-11-28 02:56:54,023 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 02:56:54,023 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-28 02:56:54,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466077800] [2020-11-28 02:56:54,024 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:56:54,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:54,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:56:54,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:56:54,026 INFO L87 Difference]: Start difference. First operand 2231 states and 2637 transitions. Second operand 3 states. [2020-11-28 02:56:54,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:54,633 INFO L93 Difference]: Finished difference Result 5246 states and 6212 transitions. [2020-11-28 02:56:54,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:56:54,634 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-11-28 02:56:54,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:54,648 INFO L225 Difference]: With dead ends: 5246 [2020-11-28 02:56:54,648 INFO L226 Difference]: Without dead ends: 2886 [2020-11-28 02:56:54,652 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:56:54,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2886 states. [2020-11-28 02:56:54,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2886 to 2231. [2020-11-28 02:56:54,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2231 states. [2020-11-28 02:56:54,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2581 transitions. [2020-11-28 02:56:54,710 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2581 transitions. Word has length 153 [2020-11-28 02:56:54,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:54,711 INFO L481 AbstractCegarLoop]: Abstraction has 2231 states and 2581 transitions. [2020-11-28 02:56:54,711 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:56:54,711 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2581 transitions. [2020-11-28 02:56:54,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-11-28 02:56:54,716 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:54,717 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2020-11-28 02:56:54,943 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 02:56:54,944 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:54,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:54,944 INFO L82 PathProgramCache]: Analyzing trace with hash 838417912, now seen corresponding path program 1 times [2020-11-28 02:56:54,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:54,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087446947] [2020-11-28 02:56:54,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:54,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:55,067 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 50 proven. 3 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-11-28 02:56:55,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087446947] [2020-11-28 02:56:55,068 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1848616484] [2020-11-28 02:56:55,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a320a24-5b6e-42b9-a1c2-46c8a2e7fb9a/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 02:56:55,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:55,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 02:56:55,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:56:55,250 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-11-28 02:56:55,250 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 02:56:55,250 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-28 02:56:55,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039511990] [2020-11-28 02:56:55,255 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:56:55,256 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:55,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:56:55,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:56:55,257 INFO L87 Difference]: Start difference. First operand 2231 states and 2581 transitions. Second operand 3 states. [2020-11-28 02:56:55,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:55,845 INFO L93 Difference]: Finished difference Result 4722 states and 5449 transitions. [2020-11-28 02:56:55,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:56:55,846 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2020-11-28 02:56:55,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:55,858 INFO L225 Difference]: With dead ends: 4722 [2020-11-28 02:56:55,858 INFO L226 Difference]: Without dead ends: 2493 [2020-11-28 02:56:55,861 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:56:55,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2493 states. [2020-11-28 02:56:55,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2493 to 2362. [2020-11-28 02:56:55,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2362 states. [2020-11-28 02:56:55,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2362 states to 2362 states and 2657 transitions. [2020-11-28 02:56:55,916 INFO L78 Accepts]: Start accepts. Automaton has 2362 states and 2657 transitions. Word has length 160 [2020-11-28 02:56:55,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:55,916 INFO L481 AbstractCegarLoop]: Abstraction has 2362 states and 2657 transitions. [2020-11-28 02:56:55,916 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:56:55,916 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 2657 transitions. [2020-11-28 02:56:55,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-11-28 02:56:55,923 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:55,923 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 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, 2, 2, 2, 2, 2, 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] [2020-11-28 02:56:56,149 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 02:56:56,149 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:56,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:56,150 INFO L82 PathProgramCache]: Analyzing trace with hash -981121869, now seen corresponding path program 1 times [2020-11-28 02:56:56,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:56,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075097186] [2020-11-28 02:56:56,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:56,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:56,253 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 54 proven. 3 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2020-11-28 02:56:56,253 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075097186] [2020-11-28 02:56:56,253 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1300630594] [2020-11-28 02:56:56,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a320a24-5b6e-42b9-a1c2-46c8a2e7fb9a/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 02:56:56,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:56,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 02:56:56,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:56:56,485 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-11-28 02:56:56,487 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 02:56:56,488 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-28 02:56:56,488 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430676337] [2020-11-28 02:56:56,489 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:56:56,489 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:56,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:56:56,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:56:56,490 INFO L87 Difference]: Start difference. First operand 2362 states and 2657 transitions. Second operand 3 states. [2020-11-28 02:56:57,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:57,052 INFO L93 Difference]: Finished difference Result 5639 states and 6366 transitions. [2020-11-28 02:56:57,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:56:57,053 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 217 [2020-11-28 02:56:57,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:57,069 INFO L225 Difference]: With dead ends: 5639 [2020-11-28 02:56:57,070 INFO L226 Difference]: Without dead ends: 3148 [2020-11-28 02:56:57,073 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:56:57,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3148 states. [2020-11-28 02:56:57,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3148 to 2362. [2020-11-28 02:56:57,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2362 states. [2020-11-28 02:56:57,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2362 states to 2362 states and 2654 transitions. [2020-11-28 02:56:57,161 INFO L78 Accepts]: Start accepts. Automaton has 2362 states and 2654 transitions. Word has length 217 [2020-11-28 02:56:57,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:57,162 INFO L481 AbstractCegarLoop]: Abstraction has 2362 states and 2654 transitions. [2020-11-28 02:56:57,162 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:56:57,162 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 2654 transitions. [2020-11-28 02:56:57,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-11-28 02:56:57,170 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:57,170 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 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] [2020-11-28 02:56:57,383 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 02:56:57,384 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:57,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:57,384 INFO L82 PathProgramCache]: Analyzing trace with hash 2105019540, now seen corresponding path program 1 times [2020-11-28 02:56:57,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:57,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326025667] [2020-11-28 02:56:57,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:57,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:57,542 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 86 proven. 3 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2020-11-28 02:56:57,543 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326025667] [2020-11-28 02:56:57,543 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [633023975] [2020-11-28 02:56:57,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a320a24-5b6e-42b9-a1c2-46c8a2e7fb9a/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 02:56:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:57,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 02:56:57,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:56:57,770 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2020-11-28 02:56:57,770 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 02:56:57,771 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-28 02:56:57,771 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285785520] [2020-11-28 02:56:57,772 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:56:57,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:57,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:56:57,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:56:57,774 INFO L87 Difference]: Start difference. First operand 2362 states and 2654 transitions. Second operand 3 states. [2020-11-28 02:56:58,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:58,194 INFO L93 Difference]: Finished difference Result 4589 states and 5171 transitions. [2020-11-28 02:56:58,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:56:58,194 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 229 [2020-11-28 02:56:58,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:58,195 INFO L225 Difference]: With dead ends: 4589 [2020-11-28 02:56:58,195 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 02:56:58,199 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:56:58,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 02:56:58,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 02:56:58,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 02:56:58,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 02:56:58,200 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 229 [2020-11-28 02:56:58,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:58,200 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 02:56:58,200 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:56:58,201 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 02:56:58,201 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 02:56:58,427 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-11-28 02:56:58,429 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 02:56:58,613 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 23 [2020-11-28 02:56:58,718 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-11-28 02:56:58,718 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-11-28 02:56:58,718 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-11-28 02:56:58,718 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-11-28 02:56:58,718 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-11-28 02:56:58,719 INFO L274 CegarLoopResult]: For program point L102(lines 102 400) no Hoare annotation was computed. [2020-11-28 02:56:58,719 INFO L274 CegarLoopResult]: For program point L598(line 598) no Hoare annotation was computed. [2020-11-28 02:56:58,719 INFO L274 CegarLoopResult]: For program point L334(lines 334 400) no Hoare annotation was computed. [2020-11-28 02:56:58,719 INFO L274 CegarLoopResult]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,719 INFO L274 CegarLoopResult]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,719 INFO L274 CegarLoopResult]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,719 INFO L274 CegarLoopResult]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,719 INFO L274 CegarLoopResult]: For program point L401(lines 401 403) no Hoare annotation was computed. [2020-11-28 02:56:58,720 INFO L274 CegarLoopResult]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,720 INFO L274 CegarLoopResult]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,720 INFO L274 CegarLoopResult]: For program point L302(lines 302 400) no Hoare annotation was computed. [2020-11-28 02:56:58,720 INFO L274 CegarLoopResult]: For program point L170(lines 170 400) no Hoare annotation was computed. [2020-11-28 02:56:58,720 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-11-28 02:56:58,720 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-11-28 02:56:58,720 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-11-28 02:56:58,720 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-11-28 02:56:58,720 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-11-28 02:56:58,720 INFO L274 CegarLoopResult]: For program point L402(line 402) no Hoare annotation was computed. [2020-11-28 02:56:58,720 INFO L274 CegarLoopResult]: For program point L204(lines 204 400) no Hoare annotation was computed. [2020-11-28 02:56:58,720 INFO L274 CegarLoopResult]: For program point L72(lines 72 400) no Hoare annotation was computed. [2020-11-28 02:56:58,720 INFO L274 CegarLoopResult]: For program point L271(lines 271 400) no Hoare annotation was computed. [2020-11-28 02:56:58,721 INFO L274 CegarLoopResult]: For program point L139(lines 139 400) no Hoare annotation was computed. [2020-11-28 02:56:58,721 INFO L274 CegarLoopResult]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,721 INFO L274 CegarLoopResult]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,721 INFO L274 CegarLoopResult]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,721 INFO L274 CegarLoopResult]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,721 INFO L274 CegarLoopResult]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,721 INFO L274 CegarLoopResult]: For program point L371(lines 371 400) no Hoare annotation was computed. [2020-11-28 02:56:58,721 INFO L274 CegarLoopResult]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,721 INFO L274 CegarLoopResult]: For program point L107(lines 107 400) no Hoare annotation was computed. [2020-11-28 02:56:58,721 INFO L274 CegarLoopResult]: For program point L41(lines 41 400) no Hoare annotation was computed. [2020-11-28 02:56:58,721 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-11-28 02:56:58,721 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-11-28 02:56:58,721 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-11-28 02:56:58,721 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-11-28 02:56:58,722 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-11-28 02:56:58,722 INFO L274 CegarLoopResult]: For program point L405(line 405) no Hoare annotation was computed. [2020-11-28 02:56:58,722 INFO L274 CegarLoopResult]: For program point L339(lines 339 400) no Hoare annotation was computed. [2020-11-28 02:56:58,722 INFO L274 CegarLoopResult]: For program point L207(lines 207 400) no Hoare annotation was computed. [2020-11-28 02:56:58,722 INFO L274 CegarLoopResult]: For program point L75(lines 75 400) no Hoare annotation was computed. [2020-11-28 02:56:58,722 INFO L274 CegarLoopResult]: For program point L373(lines 373 400) no Hoare annotation was computed. [2020-11-28 02:56:58,722 INFO L274 CegarLoopResult]: For program point L241(lines 241 400) no Hoare annotation was computed. [2020-11-28 02:56:58,722 INFO L274 CegarLoopResult]: For program point L175(lines 175 400) no Hoare annotation was computed. [2020-11-28 02:56:58,722 INFO L274 CegarLoopResult]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,722 INFO L274 CegarLoopResult]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,722 INFO L274 CegarLoopResult]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,722 INFO L274 CegarLoopResult]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,722 INFO L274 CegarLoopResult]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,722 INFO L274 CegarLoopResult]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,723 INFO L274 CegarLoopResult]: For program point L275(lines 275 400) no Hoare annotation was computed. [2020-11-28 02:56:58,723 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-11-28 02:56:58,723 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-11-28 02:56:58,723 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-11-28 02:56:58,723 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-11-28 02:56:58,723 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-11-28 02:56:58,723 INFO L274 CegarLoopResult]: For program point L408(line 408) no Hoare annotation was computed. [2020-11-28 02:56:58,723 INFO L274 CegarLoopResult]: For program point L375(lines 375 400) no Hoare annotation was computed. [2020-11-28 02:56:58,723 INFO L274 CegarLoopResult]: For program point L309(lines 309 400) no Hoare annotation was computed. [2020-11-28 02:56:58,723 INFO L274 CegarLoopResult]: For program point L45(lines 45 400) no Hoare annotation was computed. [2020-11-28 02:56:58,723 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-28 02:56:58,723 INFO L274 CegarLoopResult]: For program point L343(lines 343 400) no Hoare annotation was computed. [2020-11-28 02:56:58,723 INFO L274 CegarLoopResult]: For program point L112(lines 112 400) no Hoare annotation was computed. [2020-11-28 02:56:58,723 INFO L274 CegarLoopResult]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,724 INFO L274 CegarLoopResult]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,724 INFO L274 CegarLoopResult]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,724 INFO L274 CegarLoopResult]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,724 INFO L274 CegarLoopResult]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,724 INFO L274 CegarLoopResult]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,724 INFO L274 CegarLoopResult]: For program point L278(lines 278 400) no Hoare annotation was computed. [2020-11-28 02:56:58,724 INFO L274 CegarLoopResult]: For program point L146(lines 146 400) no Hoare annotation was computed. [2020-11-28 02:56:58,724 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-11-28 02:56:58,724 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-11-28 02:56:58,724 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-11-28 02:56:58,724 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-11-28 02:56:58,724 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-11-28 02:56:58,724 INFO L274 CegarLoopResult]: For program point L411(line 411) no Hoare annotation was computed. [2020-11-28 02:56:58,724 INFO L274 CegarLoopResult]: For program point L213(lines 213 400) no Hoare annotation was computed. [2020-11-28 02:56:58,725 INFO L274 CegarLoopResult]: For program point L82(lines 82 400) no Hoare annotation was computed. [2020-11-28 02:56:58,725 INFO L274 CegarLoopResult]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,725 INFO L274 CegarLoopResult]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,725 INFO L274 CegarLoopResult]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,725 INFO L274 CegarLoopResult]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,725 INFO L274 CegarLoopResult]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,725 INFO L274 CegarLoopResult]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,725 INFO L274 CegarLoopResult]: For program point L347(lines 347 400) no Hoare annotation was computed. [2020-11-28 02:56:58,725 INFO L274 CegarLoopResult]: For program point L248(lines 248 400) no Hoare annotation was computed. [2020-11-28 02:56:58,725 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-11-28 02:56:58,725 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-11-28 02:56:58,725 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-11-28 02:56:58,725 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-11-28 02:56:58,725 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-11-28 02:56:58,725 INFO L274 CegarLoopResult]: For program point L414(line 414) no Hoare annotation was computed. [2020-11-28 02:56:58,726 INFO L274 CegarLoopResult]: For program point L183(lines 183 400) no Hoare annotation was computed. [2020-11-28 02:56:58,726 INFO L274 CegarLoopResult]: For program point L150(lines 150 400) no Hoare annotation was computed. [2020-11-28 02:56:58,726 INFO L274 CegarLoopResult]: For program point L382(lines 382 400) no Hoare annotation was computed. [2020-11-28 02:56:58,726 INFO L274 CegarLoopResult]: For program point L316(lines 316 400) no Hoare annotation was computed. [2020-11-28 02:56:58,726 INFO L274 CegarLoopResult]: For program point L283(lines 283 400) no Hoare annotation was computed. [2020-11-28 02:56:58,726 INFO L274 CegarLoopResult]: For program point L118(lines 118 400) no Hoare annotation was computed. [2020-11-28 02:56:58,726 INFO L274 CegarLoopResult]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2020-11-28 02:56:58,726 INFO L274 CegarLoopResult]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,726 INFO L274 CegarLoopResult]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,726 INFO L274 CegarLoopResult]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,726 INFO L274 CegarLoopResult]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,726 INFO L274 CegarLoopResult]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,726 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 02:56:58,726 INFO L274 CegarLoopResult]: For program point L218(lines 218 400) no Hoare annotation was computed. [2020-11-28 02:56:58,727 INFO L274 CegarLoopResult]: For program point L53(lines 53 400) no Hoare annotation was computed. [2020-11-28 02:56:58,727 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-11-28 02:56:58,727 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-11-28 02:56:58,727 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-11-28 02:56:58,727 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-11-28 02:56:58,727 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-11-28 02:56:58,727 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-11-28 02:56:58,733 INFO L274 CegarLoopResult]: For program point L154(lines 154 400) no Hoare annotation was computed. [2020-11-28 02:56:58,734 INFO L270 CegarLoopResult]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse1 (<= 15 ~a8~0)) (.cse0 (= ~a20~0 1)) (.cse3 (<= ~a16~0 5)) (.cse2 (<= ~a20~0 0))) (or (and .cse0 .cse1) (and .cse1 .cse2) (and (<= ~a7~0 0) .cse0) (and .cse3 (<= ~a8~0 13)) (and .cse0 (<= 5 ~a16~0)) (and .cse3 .cse2))) [2020-11-28 02:56:58,734 INFO L274 CegarLoopResult]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,734 INFO L274 CegarLoopResult]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,734 INFO L274 CegarLoopResult]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,734 INFO L274 CegarLoopResult]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,734 INFO L274 CegarLoopResult]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,734 INFO L274 CegarLoopResult]: For program point L188(lines 188 400) no Hoare annotation was computed. [2020-11-28 02:56:58,734 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-11-28 02:56:58,735 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-11-28 02:56:58,735 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-11-28 02:56:58,735 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-11-28 02:56:58,735 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-11-28 02:56:58,735 INFO L274 CegarLoopResult]: For program point L387(lines 387 400) no Hoare annotation was computed. [2020-11-28 02:56:58,735 INFO L274 CegarLoopResult]: For program point L288(lines 288 400) no Hoare annotation was computed. [2020-11-28 02:56:58,735 INFO L274 CegarLoopResult]: For program point L255(lines 255 400) no Hoare annotation was computed. [2020-11-28 02:56:58,735 INFO L274 CegarLoopResult]: For program point L90(lines 90 400) no Hoare annotation was computed. [2020-11-28 02:56:58,736 INFO L274 CegarLoopResult]: For program point L355(lines 355 400) no Hoare annotation was computed. [2020-11-28 02:56:58,736 INFO L274 CegarLoopResult]: For program point L322(lines 322 400) no Hoare annotation was computed. [2020-11-28 02:56:58,736 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 02:56:58,736 INFO L274 CegarLoopResult]: For program point L124(lines 124 400) no Hoare annotation was computed. [2020-11-28 02:56:58,736 INFO L277 CegarLoopResult]: At program point L587(lines 587 604) the Hoare annotation is: true [2020-11-28 02:56:58,736 INFO L274 CegarLoopResult]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,736 INFO L274 CegarLoopResult]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,736 INFO L274 CegarLoopResult]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,737 INFO L274 CegarLoopResult]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,737 INFO L274 CegarLoopResult]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,737 INFO L274 CegarLoopResult]: For program point L224(lines 224 400) no Hoare annotation was computed. [2020-11-28 02:56:58,737 INFO L274 CegarLoopResult]: For program point L158(lines 158 400) no Hoare annotation was computed. [2020-11-28 02:56:58,737 INFO L274 CegarLoopResult]: For program point L59(lines 59 400) no Hoare annotation was computed. [2020-11-28 02:56:58,737 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-11-28 02:56:58,737 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-11-28 02:56:58,737 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-11-28 02:56:58,738 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-11-28 02:56:58,738 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-11-28 02:56:58,738 INFO L274 CegarLoopResult]: For program point L94(lines 94 400) no Hoare annotation was computed. [2020-11-28 02:56:58,738 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 02:56:58,738 INFO L274 CegarLoopResult]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,738 INFO L274 CegarLoopResult]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,738 INFO L274 CegarLoopResult]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,738 INFO L274 CegarLoopResult]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,739 INFO L274 CegarLoopResult]: For program point L392(lines 392 400) no Hoare annotation was computed. [2020-11-28 02:56:58,739 INFO L274 CegarLoopResult]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,739 INFO L274 CegarLoopResult]: For program point L326(lines 326 400) no Hoare annotation was computed. [2020-11-28 02:56:58,739 INFO L274 CegarLoopResult]: For program point L260(lines 260 400) no Hoare annotation was computed. [2020-11-28 02:56:58,739 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-11-28 02:56:58,739 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-11-28 02:56:58,739 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-11-28 02:56:58,739 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-11-28 02:56:58,740 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-11-28 02:56:58,740 INFO L274 CegarLoopResult]: For program point L228(lines 228 400) no Hoare annotation was computed. [2020-11-28 02:56:58,740 INFO L274 CegarLoopResult]: For program point L162(lines 162 400) no Hoare annotation was computed. [2020-11-28 02:56:58,741 INFO L274 CegarLoopResult]: For program point L129(lines 129 400) no Hoare annotation was computed. [2020-11-28 02:56:58,741 INFO L274 CegarLoopResult]: For program point L328(lines 328 400) no Hoare annotation was computed. [2020-11-28 02:56:58,741 INFO L274 CegarLoopResult]: For program point L196(lines 196 400) no Hoare annotation was computed. [2020-11-28 02:56:58,741 INFO L274 CegarLoopResult]: For program point L64(lines 64 400) no Hoare annotation was computed. [2020-11-28 02:56:58,741 INFO L274 CegarLoopResult]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,742 INFO L270 CegarLoopResult]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse1 (<= 15 ~a8~0)) (.cse0 (= ~a20~0 1)) (.cse3 (<= ~a16~0 5)) (.cse2 (<= ~a20~0 0))) (or (and .cse0 .cse1) (and .cse1 .cse2) (and (<= ~a7~0 0) .cse0) (and .cse3 (<= ~a8~0 13)) (and .cse0 (<= 5 ~a16~0)) (and .cse3 .cse2))) [2020-11-28 02:56:58,743 INFO L274 CegarLoopResult]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,743 INFO L274 CegarLoopResult]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,743 INFO L274 CegarLoopResult]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,743 INFO L274 CegarLoopResult]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,743 INFO L274 CegarLoopResult]: For program point L296(lines 296 400) no Hoare annotation was computed. [2020-11-28 02:56:58,743 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 02:56:58,743 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 02:56:58,744 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-11-28 02:56:58,744 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-11-28 02:56:58,744 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-11-28 02:56:58,744 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-11-28 02:56:58,744 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-11-28 02:56:58,744 INFO L274 CegarLoopResult]: For program point L363(lines 363 400) no Hoare annotation was computed. [2020-11-28 02:56:58,744 INFO L274 CegarLoopResult]: For program point L199(lines 199 400) no Hoare annotation was computed. [2020-11-28 02:56:58,744 INFO L274 CegarLoopResult]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,745 INFO L274 CegarLoopResult]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,745 INFO L274 CegarLoopResult]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,745 INFO L274 CegarLoopResult]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,745 INFO L274 CegarLoopResult]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:56:58,745 INFO L274 CegarLoopResult]: For program point L365(lines 365 400) no Hoare annotation was computed. [2020-11-28 02:56:58,745 INFO L274 CegarLoopResult]: For program point L266(lines 266 400) no Hoare annotation was computed. [2020-11-28 02:56:58,745 INFO L274 CegarLoopResult]: For program point L233(lines 233 400) no Hoare annotation was computed. [2020-11-28 02:56:58,745 INFO L274 CegarLoopResult]: For program point L134(lines 134 400) no Hoare annotation was computed. [2020-11-28 02:56:58,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:56:58 BoogieIcfgContainer [2020-11-28 02:56:58,772 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 02:56:58,772 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 02:56:58,773 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 02:56:58,773 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 02:56:58,773 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:45" (3/4) ... [2020-11-28 02:56:58,776 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 02:56:58,804 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-28 02:56:58,806 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 02:56:58,807 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:56:58,809 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:56:58,968 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2a320a24-5b6e-42b9-a1c2-46c8a2e7fb9a/bin/uautomizer/witness.graphml [2020-11-28 02:56:58,968 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 02:56:58,969 INFO L168 Benchmark]: Toolchain (without parser) took 15656.05 ms. Allocated memory was 111.1 MB in the beginning and 337.6 MB in the end (delta: 226.5 MB). Free memory was 85.6 MB in the beginning and 147.7 MB in the end (delta: -62.1 MB). Peak memory consumption was 163.8 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:58,970 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 111.1 MB. Free memory is still 68.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:56:58,970 INFO L168 Benchmark]: CACSL2BoogieTranslator took 719.87 ms. Allocated memory is still 111.1 MB. Free memory was 85.6 MB in the beginning and 70.3 MB in the end (delta: 15.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:58,971 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.04 ms. Allocated memory is still 111.1 MB. Free memory was 70.3 MB in the beginning and 64.7 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:58,971 INFO L168 Benchmark]: Boogie Preprocessor took 64.21 ms. Allocated memory is still 111.1 MB. Free memory was 64.7 MB in the beginning and 60.2 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:58,972 INFO L168 Benchmark]: RCFGBuilder took 1679.71 ms. Allocated memory was 111.1 MB in the beginning and 142.6 MB in the end (delta: 31.5 MB). Free memory was 60.2 MB in the beginning and 72.4 MB in the end (delta: -12.2 MB). Peak memory consumption was 34.6 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:58,972 INFO L168 Benchmark]: TraceAbstraction took 12909.32 ms. Allocated memory was 142.6 MB in the beginning and 337.6 MB in the end (delta: 195.0 MB). Free memory was 71.6 MB in the beginning and 162.4 MB in the end (delta: -90.8 MB). Peak memory consumption was 103.0 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:58,973 INFO L168 Benchmark]: Witness Printer took 195.58 ms. Allocated memory is still 337.6 MB. Free memory was 162.4 MB in the beginning and 147.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:58,975 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 111.1 MB. Free memory is still 68.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 719.87 ms. Allocated memory is still 111.1 MB. Free memory was 85.6 MB in the beginning and 70.3 MB in the end (delta: 15.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 81.04 ms. Allocated memory is still 111.1 MB. Free memory was 70.3 MB in the beginning and 64.7 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 64.21 ms. Allocated memory is still 111.1 MB. Free memory was 64.7 MB in the beginning and 60.2 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1679.71 ms. Allocated memory was 111.1 MB in the beginning and 142.6 MB in the end (delta: 31.5 MB). Free memory was 60.2 MB in the beginning and 72.4 MB in the end (delta: -12.2 MB). Peak memory consumption was 34.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 12909.32 ms. Allocated memory was 142.6 MB in the beginning and 337.6 MB in the end (delta: 195.0 MB). Free memory was 71.6 MB in the beginning and 162.4 MB in the end (delta: -90.8 MB). Peak memory consumption was 103.0 MB. Max. memory is 16.1 GB. * Witness Printer took 195.58 ms. Allocated memory is still 337.6 MB. Free memory was 162.4 MB in the beginning and 147.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: (((((a20 == 1 && 15 <= a8) || (15 <= a8 && a20 <= 0)) || (a7 <= 0 && a20 == 1)) || (a16 <= 5 && a8 <= 13)) || (a20 == 1 && 5 <= a16)) || (a16 <= 5 && a20 <= 0) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: (((((a20 == 1 && 15 <= a8) || (15 <= a8 && a20 <= 0)) || (a7 <= 0 && a20 == 1)) || (a16 <= 5 && a8 <= 13)) || (a20 == 1 && 5 <= a16)) || (a16 <= 5 && a20 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 199 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.4s, OverallIterations: 10, TraceHistogramMax: 7, AutomataDifference: 7.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 727 SDtfs, 1120 SDslu, 61 SDs, 0 SdLazy, 3568 SolverSat, 583 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 903 GetRequests, 881 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2362occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 2489 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 47 NumberOfFragments, 87 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1504 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 316 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 2385 NumberOfCodeBlocks, 2385 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2370 ConstructedInterpolants, 0 QuantifiedInterpolants, 978087 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1897 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 15 InterpolantComputations, 10 PerfectInterpolantSequences, 1402/1417 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...