./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label48.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_be85a299-5b03-439c-854d-30179fb3b9cd/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_be85a299-5b03-439c-854d-30179fb3b9cd/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_be85a299-5b03-439c-854d-30179fb3b9cd/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_be85a299-5b03-439c-854d-30179fb3b9cd/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label48.c -s /tmp/vcloud-vcloud-master/worker/run_dir_be85a299-5b03-439c-854d-30179fb3b9cd/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_be85a299-5b03-439c-854d-30179fb3b9cd/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 a9fd3bf4b32d34628b01b5d29cc6df1452a2d1c7 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 19:38:29,722 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:38:29,743 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:38:29,808 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:38:29,809 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:38:29,815 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:38:29,818 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:38:29,825 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:38:29,827 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:38:29,829 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:38:29,830 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:38:29,831 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:38:29,832 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:38:29,833 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:38:29,835 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:38:29,836 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:38:29,842 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:38:29,847 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:38:29,851 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:38:29,859 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:38:29,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:38:29,864 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:38:29,867 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:38:29,868 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:38:29,877 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:38:29,878 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:38:29,878 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:38:29,881 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:38:29,882 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:38:29,883 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:38:29,884 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:38:29,885 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:38:29,887 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:38:29,889 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:38:29,891 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:38:29,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:38:29,893 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:38:29,893 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:38:29,893 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:38:29,895 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:38:29,896 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:38:29,898 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_be85a299-5b03-439c-854d-30179fb3b9cd/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 19:38:29,945 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:38:29,945 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:38:29,948 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:38:29,948 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:38:29,948 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:38:29,949 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:38:29,949 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:38:29,949 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:38:29,949 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:38:29,950 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:38:29,951 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:38:29,951 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:38:29,951 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:38:29,952 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:38:29,952 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:38:29,952 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:38:29,952 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:38:29,953 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:38:29,953 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:38:29,953 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:38:29,953 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 19:38:29,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:38:29,954 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:38:29,954 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:38:29,954 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:38:29,954 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:38:29,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:38:29,955 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:38:29,955 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:38:29,955 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_be85a299-5b03-439c-854d-30179fb3b9cd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_be85a299-5b03-439c-854d-30179fb3b9cd/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9fd3bf4b32d34628b01b5d29cc6df1452a2d1c7 [2020-11-29 19:38:30,284 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:38:30,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:38:30,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:38:30,318 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:38:30,319 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:38:30,320 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_be85a299-5b03-439c-854d-30179fb3b9cd/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label48.c [2020-11-29 19:38:30,416 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_be85a299-5b03-439c-854d-30179fb3b9cd/bin/uautomizer/data/177d62946/9526b77c66a9474982c2d662f6511df1/FLAGc22989dda [2020-11-29 19:38:30,951 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:38:30,955 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_be85a299-5b03-439c-854d-30179fb3b9cd/sv-benchmarks/c/eca-rers2012/Problem02_label48.c [2020-11-29 19:38:30,975 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_be85a299-5b03-439c-854d-30179fb3b9cd/bin/uautomizer/data/177d62946/9526b77c66a9474982c2d662f6511df1/FLAGc22989dda [2020-11-29 19:38:31,223 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_be85a299-5b03-439c-854d-30179fb3b9cd/bin/uautomizer/data/177d62946/9526b77c66a9474982c2d662f6511df1 [2020-11-29 19:38:31,226 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:38:31,227 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:38:31,229 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:38:31,229 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:38:31,240 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:38:31,243 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:38:31" (1/1) ... [2020-11-29 19:38:31,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2573e2c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:38:31, skipping insertion in model container [2020-11-29 19:38:31,247 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:38:31" (1/1) ... [2020-11-29 19:38:31,254 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:38:31,316 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:38:31,710 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:38:31,734 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:38:31,871 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:38:31,889 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:38:31,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:38:31 WrapperNode [2020-11-29 19:38:31,891 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:38:31,893 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:38:31,894 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:38:31,894 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:38:31,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:38:31" (1/1) ... [2020-11-29 19:38:31,933 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:38:31" (1/1) ... [2020-11-29 19:38:32,012 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:38:32,023 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:38:32,023 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:38:32,023 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:38:32,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:38:31" (1/1) ... [2020-11-29 19:38:32,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:38:31" (1/1) ... [2020-11-29 19:38:32,035 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:38:31" (1/1) ... [2020-11-29 19:38:32,035 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:38:31" (1/1) ... [2020-11-29 19:38:32,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:38:31" (1/1) ... [2020-11-29 19:38:32,068 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:38:31" (1/1) ... [2020-11-29 19:38:32,073 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:38:31" (1/1) ... [2020-11-29 19:38:32,080 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:38:32,081 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:38:32,081 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:38:32,081 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:38:32,106 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:38:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_be85a299-5b03-439c-854d-30179fb3b9cd/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:38:32,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:38:32,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:38:32,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:38:32,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:38:34,015 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:38:34,015 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 19:38:34,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:38:34 BoogieIcfgContainer [2020-11-29 19:38:34,020 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:38:34,024 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 19:38:34,025 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 19:38:34,029 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 19:38:34,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:38:31" (1/3) ... [2020-11-29 19:38:34,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38aa8890 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:38:34, skipping insertion in model container [2020-11-29 19:38:34,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:38:31" (2/3) ... [2020-11-29 19:38:34,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38aa8890 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:38:34, skipping insertion in model container [2020-11-29 19:38:34,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:38:34" (3/3) ... [2020-11-29 19:38:34,033 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label48.c [2020-11-29 19:38:34,049 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 19:38:34,055 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 19:38:34,068 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 19:38:34,115 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 19:38:34,115 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 19:38:34,115 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 19:38:34,115 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:38:34,116 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:38:34,116 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 19:38:34,116 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:38:34,116 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 19:38:34,144 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states. [2020-11-29 19:38:34,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-11-29 19:38:34,169 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:38:34,170 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:38:34,170 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:38:34,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:38:34,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1936539381, now seen corresponding path program 1 times [2020-11-29 19:38:34,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:38:34,190 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967878312] [2020-11-29 19:38:34,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:38:34,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:38:34,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:38:34,744 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967878312] [2020-11-29 19:38:34,746 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:38:34,746 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:38:34,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259724075] [2020-11-29 19:38:34,755 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:38:34,755 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:38:34,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:38:34,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:38:34,776 INFO L87 Difference]: Start difference. First operand 228 states. Second operand 3 states. [2020-11-29 19:38:36,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:38:36,093 INFO L93 Difference]: Finished difference Result 601 states and 1038 transitions. [2020-11-29 19:38:36,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:38:36,097 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 137 [2020-11-29 19:38:36,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:38:36,127 INFO L225 Difference]: With dead ends: 601 [2020-11-29 19:38:36,128 INFO L226 Difference]: Without dead ends: 309 [2020-11-29 19:38:36,139 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:38:36,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2020-11-29 19:38:36,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 307. [2020-11-29 19:38:36,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 307 states. [2020-11-29 19:38:36,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 407 transitions. [2020-11-29 19:38:36,209 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 407 transitions. Word has length 137 [2020-11-29 19:38:36,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:38:36,211 INFO L481 AbstractCegarLoop]: Abstraction has 307 states and 407 transitions. [2020-11-29 19:38:36,211 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:38:36,211 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 407 transitions. [2020-11-29 19:38:36,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-11-29 19:38:36,215 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:38:36,216 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:38:36,216 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 19:38:36,216 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:38:36,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:38:36,217 INFO L82 PathProgramCache]: Analyzing trace with hash -679176162, now seen corresponding path program 1 times [2020-11-29 19:38:36,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:38:36,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804782814] [2020-11-29 19:38:36,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:38:36,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:38:36,399 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:38:36,400 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804782814] [2020-11-29 19:38:36,400 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:38:36,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:38:36,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784798581] [2020-11-29 19:38:36,403 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:38:36,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:38:36,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:38:36,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:38:36,406 INFO L87 Difference]: Start difference. First operand 307 states and 407 transitions. Second operand 3 states. [2020-11-29 19:38:37,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:38:37,183 INFO L93 Difference]: Finished difference Result 756 states and 1034 transitions. [2020-11-29 19:38:37,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:38:37,184 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-11-29 19:38:37,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:38:37,192 INFO L225 Difference]: With dead ends: 756 [2020-11-29 19:38:37,192 INFO L226 Difference]: Without dead ends: 451 [2020-11-29 19:38:37,194 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:38:37,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2020-11-29 19:38:37,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 449. [2020-11-29 19:38:37,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2020-11-29 19:38:37,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 614 transitions. [2020-11-29 19:38:37,241 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 614 transitions. Word has length 142 [2020-11-29 19:38:37,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:38:37,242 INFO L481 AbstractCegarLoop]: Abstraction has 449 states and 614 transitions. [2020-11-29 19:38:37,243 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:38:37,243 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 614 transitions. [2020-11-29 19:38:37,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-11-29 19:38:37,252 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:38:37,253 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:38:37,253 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 19:38:37,253 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:38:37,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:38:37,254 INFO L82 PathProgramCache]: Analyzing trace with hash -378379416, now seen corresponding path program 1 times [2020-11-29 19:38:37,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:38:37,255 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812955118] [2020-11-29 19:38:37,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:38:37,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:38:37,433 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:38:37,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812955118] [2020-11-29 19:38:37,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [106969543] [2020-11-29 19:38:37,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_be85a299-5b03-439c-854d-30179fb3b9cd/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:38:37,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:38:37,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:38:37,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:38:37,867 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-29 19:38:37,867 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:38:37,868 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-11-29 19:38:37,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866008725] [2020-11-29 19:38:37,869 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:38:37,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:38:37,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:38:37,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:38:37,870 INFO L87 Difference]: Start difference. First operand 449 states and 614 transitions. Second operand 3 states. [2020-11-29 19:38:38,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:38:38,675 INFO L93 Difference]: Finished difference Result 1330 states and 1822 transitions. [2020-11-29 19:38:38,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:38:38,676 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2020-11-29 19:38:38,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:38:38,683 INFO L225 Difference]: With dead ends: 1330 [2020-11-29 19:38:38,683 INFO L226 Difference]: Without dead ends: 883 [2020-11-29 19:38:38,685 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:38:38,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2020-11-29 19:38:38,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 883. [2020-11-29 19:38:38,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 883 states. [2020-11-29 19:38:38,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 883 states and 1172 transitions. [2020-11-29 19:38:38,742 INFO L78 Accepts]: Start accepts. Automaton has 883 states and 1172 transitions. Word has length 146 [2020-11-29 19:38:38,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:38:38,744 INFO L481 AbstractCegarLoop]: Abstraction has 883 states and 1172 transitions. [2020-11-29 19:38:38,744 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:38:38,744 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1172 transitions. [2020-11-29 19:38:38,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-11-29 19:38:38,752 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:38:38,752 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:38:38,977 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-11-29 19:38:38,977 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:38:38,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:38:38,978 INFO L82 PathProgramCache]: Analyzing trace with hash -2003385886, now seen corresponding path program 1 times [2020-11-29 19:38:38,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:38:38,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937055570] [2020-11-29 19:38:38,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:38:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:38:39,083 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 19:38:39,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937055570] [2020-11-29 19:38:39,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [908001290] [2020-11-29 19:38:39,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_be85a299-5b03-439c-854d-30179fb3b9cd/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:38:39,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:38:39,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:38:39,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:38:39,281 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 19:38:39,281 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:38:39,281 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-29 19:38:39,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694403390] [2020-11-29 19:38:39,282 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:38:39,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:38:39,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:38:39,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:38:39,283 INFO L87 Difference]: Start difference. First operand 883 states and 1172 transitions. Second operand 3 states. [2020-11-29 19:38:40,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:38:40,038 INFO L93 Difference]: Finished difference Result 2049 states and 2743 transitions. [2020-11-29 19:38:40,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:38:40,039 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2020-11-29 19:38:40,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:38:40,046 INFO L225 Difference]: With dead ends: 2049 [2020-11-29 19:38:40,047 INFO L226 Difference]: Without dead ends: 1168 [2020-11-29 19:38:40,049 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:38:40,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1168 states. [2020-11-29 19:38:40,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1168 to 1166. [2020-11-29 19:38:40,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1166 states. [2020-11-29 19:38:40,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1166 states to 1166 states and 1490 transitions. [2020-11-29 19:38:40,095 INFO L78 Accepts]: Start accepts. Automaton has 1166 states and 1490 transitions. Word has length 155 [2020-11-29 19:38:40,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:38:40,095 INFO L481 AbstractCegarLoop]: Abstraction has 1166 states and 1490 transitions. [2020-11-29 19:38:40,095 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:38:40,096 INFO L276 IsEmpty]: Start isEmpty. Operand 1166 states and 1490 transitions. [2020-11-29 19:38:40,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-11-29 19:38:40,100 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:38:40,101 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:38:40,321 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:38:40,321 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:38:40,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:38:40,322 INFO L82 PathProgramCache]: Analyzing trace with hash -1294036506, now seen corresponding path program 1 times [2020-11-29 19:38:40,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:38:40,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43191040] [2020-11-29 19:38:40,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:38:40,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:38:40,407 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 19:38:40,407 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43191040] [2020-11-29 19:38:40,407 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:38:40,408 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:38:40,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486199903] [2020-11-29 19:38:40,408 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:38:40,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:38:40,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:38:40,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:38:40,411 INFO L87 Difference]: Start difference. First operand 1166 states and 1490 transitions. Second operand 3 states. [2020-11-29 19:38:41,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:38:41,215 INFO L93 Difference]: Finished difference Result 3313 states and 4221 transitions. [2020-11-29 19:38:41,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:38:41,216 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 156 [2020-11-29 19:38:41,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:38:41,228 INFO L225 Difference]: With dead ends: 3313 [2020-11-29 19:38:41,228 INFO L226 Difference]: Without dead ends: 2149 [2020-11-29 19:38:41,231 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:38:41,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2149 states. [2020-11-29 19:38:41,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2149 to 2149. [2020-11-29 19:38:41,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2149 states. [2020-11-29 19:38:41,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2149 states to 2149 states and 2592 transitions. [2020-11-29 19:38:41,284 INFO L78 Accepts]: Start accepts. Automaton has 2149 states and 2592 transitions. Word has length 156 [2020-11-29 19:38:41,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:38:41,284 INFO L481 AbstractCegarLoop]: Abstraction has 2149 states and 2592 transitions. [2020-11-29 19:38:41,284 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:38:41,284 INFO L276 IsEmpty]: Start isEmpty. Operand 2149 states and 2592 transitions. [2020-11-29 19:38:41,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-11-29 19:38:41,291 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:38:41,291 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:38:41,291 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 19:38:41,292 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:38:41,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:38:41,293 INFO L82 PathProgramCache]: Analyzing trace with hash -1985868886, now seen corresponding path program 1 times [2020-11-29 19:38:41,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:38:41,294 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366090848] [2020-11-29 19:38:41,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:38:41,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:38:41,414 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 24 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-11-29 19:38:41,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366090848] [2020-11-29 19:38:41,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243409330] [2020-11-29 19:38:41,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_be85a299-5b03-439c-854d-30179fb3b9cd/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:38:41,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:38:41,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:38:41,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:38:41,604 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-11-29 19:38:41,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:38:41,604 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-11-29 19:38:41,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719415495] [2020-11-29 19:38:41,605 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:38:41,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:38:41,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:38:41,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:38:41,608 INFO L87 Difference]: Start difference. First operand 2149 states and 2592 transitions. Second operand 3 states. [2020-11-29 19:38:42,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:38:42,010 INFO L93 Difference]: Finished difference Result 4145 states and 4983 transitions. [2020-11-29 19:38:42,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:38:42,011 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2020-11-29 19:38:42,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:38:42,022 INFO L225 Difference]: With dead ends: 4145 [2020-11-29 19:38:42,022 INFO L226 Difference]: Without dead ends: 1998 [2020-11-29 19:38:42,026 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:38:42,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1998 states. [2020-11-29 19:38:42,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1998 to 1998. [2020-11-29 19:38:42,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1998 states. [2020-11-29 19:38:42,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1998 states to 1998 states and 2338 transitions. [2020-11-29 19:38:42,086 INFO L78 Accepts]: Start accepts. Automaton has 1998 states and 2338 transitions. Word has length 161 [2020-11-29 19:38:42,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:38:42,087 INFO L481 AbstractCegarLoop]: Abstraction has 1998 states and 2338 transitions. [2020-11-29 19:38:42,087 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:38:42,087 INFO L276 IsEmpty]: Start isEmpty. Operand 1998 states and 2338 transitions. [2020-11-29 19:38:42,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-11-29 19:38:42,093 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:38:42,093 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:38:42,310 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:38:42,311 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:38:42,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:38:42,311 INFO L82 PathProgramCache]: Analyzing trace with hash -1527742401, now seen corresponding path program 1 times [2020-11-29 19:38:42,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:38:42,312 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651117918] [2020-11-29 19:38:42,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:38:42,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:38:42,498 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 49 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 19:38:42,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651117918] [2020-11-29 19:38:42,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [439823950] [2020-11-29 19:38:42,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_be85a299-5b03-439c-854d-30179fb3b9cd/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 [2020-11-29 19:38:42,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:38:42,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:38:42,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:38:42,649 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-29 19:38:42,650 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:38:42,650 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-29 19:38:42,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338842156] [2020-11-29 19:38:42,651 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:38:42,651 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:38:42,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:38:42,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-29 19:38:42,653 INFO L87 Difference]: Start difference. First operand 1998 states and 2338 transitions. Second operand 3 states. [2020-11-29 19:38:43,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:38:43,452 INFO L93 Difference]: Finished difference Result 3992 states and 4672 transitions. [2020-11-29 19:38:43,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:38:43,453 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 179 [2020-11-29 19:38:43,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:38:43,464 INFO L225 Difference]: With dead ends: 3992 [2020-11-29 19:38:43,465 INFO L226 Difference]: Without dead ends: 1996 [2020-11-29 19:38:43,468 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-29 19:38:43,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1996 states. [2020-11-29 19:38:43,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1996 to 1996. [2020-11-29 19:38:43,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1996 states. [2020-11-29 19:38:43,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1996 states to 1996 states and 2244 transitions. [2020-11-29 19:38:43,518 INFO L78 Accepts]: Start accepts. Automaton has 1996 states and 2244 transitions. Word has length 179 [2020-11-29 19:38:43,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:38:43,518 INFO L481 AbstractCegarLoop]: Abstraction has 1996 states and 2244 transitions. [2020-11-29 19:38:43,518 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:38:43,519 INFO L276 IsEmpty]: Start isEmpty. Operand 1996 states and 2244 transitions. [2020-11-29 19:38:43,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-11-29 19:38:43,524 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:38:43,525 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:38:43,741 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:38:43,741 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:38:43,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:38:43,742 INFO L82 PathProgramCache]: Analyzing trace with hash -627419446, now seen corresponding path program 1 times [2020-11-29 19:38:43,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:38:43,742 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664164136] [2020-11-29 19:38:43,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:38:43,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:38:43,838 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 19:38:43,839 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664164136] [2020-11-29 19:38:43,839 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:38:43,840 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:38:43,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431152123] [2020-11-29 19:38:43,840 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:38:43,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:38:43,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:38:43,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:38:43,842 INFO L87 Difference]: Start difference. First operand 1996 states and 2244 transitions. Second operand 3 states. [2020-11-29 19:38:44,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:38:44,456 INFO L93 Difference]: Finished difference Result 4971 states and 5557 transitions. [2020-11-29 19:38:44,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:38:44,456 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 186 [2020-11-29 19:38:44,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:38:44,457 INFO L225 Difference]: With dead ends: 4971 [2020-11-29 19:38:44,457 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 19:38:44,461 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:38:44,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 19:38:44,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 19:38:44,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 19:38:44,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 19:38:44,462 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 186 [2020-11-29 19:38:44,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:38:44,463 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 19:38:44,463 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:38:44,463 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 19:38:44,463 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 19:38:44,463 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 19:38:44,466 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 19:38:44,650 INFO L274 CegarLoopResult]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,650 INFO L274 CegarLoopResult]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,650 INFO L274 CegarLoopResult]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,650 INFO L274 CegarLoopResult]: For program point L301(lines 301 423) no Hoare annotation was computed. [2020-11-29 19:38:44,650 INFO L274 CegarLoopResult]: For program point L235(lines 235 423) no Hoare annotation was computed. [2020-11-29 19:38:44,650 INFO L274 CegarLoopResult]: For program point L169(lines 169 423) no Hoare annotation was computed. [2020-11-29 19:38:44,650 INFO L274 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-11-29 19:38:44,650 INFO L274 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-11-29 19:38:44,650 INFO L274 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-11-29 19:38:44,651 INFO L274 CegarLoopResult]: For program point L303(lines 303 423) no Hoare annotation was computed. [2020-11-29 19:38:44,651 INFO L274 CegarLoopResult]: For program point L105(lines 105 423) no Hoare annotation was computed. [2020-11-29 19:38:44,651 INFO L274 CegarLoopResult]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,651 INFO L274 CegarLoopResult]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,651 INFO L274 CegarLoopResult]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,651 INFO L274 CegarLoopResult]: For program point L40(lines 40 423) no Hoare annotation was computed. [2020-11-29 19:38:44,651 INFO L274 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-11-29 19:38:44,651 INFO L274 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-11-29 19:38:44,651 INFO L274 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-11-29 19:38:44,651 INFO L274 CegarLoopResult]: For program point L371(lines 371 423) no Hoare annotation was computed. [2020-11-29 19:38:44,651 INFO L274 CegarLoopResult]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,651 INFO L274 CegarLoopResult]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,651 INFO L274 CegarLoopResult]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,651 INFO L274 CegarLoopResult]: For program point L307(lines 307 423) no Hoare annotation was computed. [2020-11-29 19:38:44,651 INFO L274 CegarLoopResult]: For program point L175(lines 175 423) no Hoare annotation was computed. [2020-11-29 19:38:44,652 INFO L274 CegarLoopResult]: For program point L109(lines 109 423) no Hoare annotation was computed. [2020-11-29 19:38:44,652 INFO L274 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-11-29 19:38:44,652 INFO L274 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-11-29 19:38:44,652 INFO L274 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-11-29 19:38:44,652 INFO L274 CegarLoopResult]: For program point L308(lines 308 317) no Hoare annotation was computed. [2020-11-29 19:38:44,652 INFO L274 CegarLoopResult]: For program point L242(lines 242 423) no Hoare annotation was computed. [2020-11-29 19:38:44,652 INFO L274 CegarLoopResult]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2020-11-29 19:38:44,652 INFO L274 CegarLoopResult]: For program point L45(lines 45 423) no Hoare annotation was computed. [2020-11-29 19:38:44,652 INFO L274 CegarLoopResult]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,652 INFO L274 CegarLoopResult]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,652 INFO L274 CegarLoopResult]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,652 INFO L274 CegarLoopResult]: For program point L244(lines 244 423) no Hoare annotation was computed. [2020-11-29 19:38:44,652 INFO L274 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-11-29 19:38:44,652 INFO L274 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-11-29 19:38:44,652 INFO L274 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-11-29 19:38:44,652 INFO L274 CegarLoopResult]: For program point L179(lines 179 423) no Hoare annotation was computed. [2020-11-29 19:38:44,653 INFO L274 CegarLoopResult]: For program point L378(lines 378 423) no Hoare annotation was computed. [2020-11-29 19:38:44,653 INFO L274 CegarLoopResult]: For program point L48(lines 48 423) no Hoare annotation was computed. [2020-11-29 19:38:44,653 INFO L274 CegarLoopResult]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,653 INFO L274 CegarLoopResult]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,653 INFO L274 CegarLoopResult]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,657 INFO L274 CegarLoopResult]: For program point L247(lines 247 423) no Hoare annotation was computed. [2020-11-29 19:38:44,657 INFO L274 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-11-29 19:38:44,657 INFO L274 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-11-29 19:38:44,657 INFO L274 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-11-29 19:38:44,657 INFO L274 CegarLoopResult]: For program point L248(lines 248 256) no Hoare annotation was computed. [2020-11-29 19:38:44,657 INFO L274 CegarLoopResult]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2020-11-29 19:38:44,657 INFO L274 CegarLoopResult]: For program point L116(lines 116 423) no Hoare annotation was computed. [2020-11-29 19:38:44,657 INFO L274 CegarLoopResult]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,657 INFO L274 CegarLoopResult]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,657 INFO L274 CegarLoopResult]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,658 INFO L274 CegarLoopResult]: For program point L52(lines 52 423) no Hoare annotation was computed. [2020-11-29 19:38:44,658 INFO L274 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-11-29 19:38:44,658 INFO L274 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-11-29 19:38:44,658 INFO L274 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-11-29 19:38:44,658 INFO L274 CegarLoopResult]: For program point L185(lines 185 423) no Hoare annotation was computed. [2020-11-29 19:38:44,658 INFO L274 CegarLoopResult]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,658 INFO L274 CegarLoopResult]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,658 INFO L274 CegarLoopResult]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,658 INFO L274 CegarLoopResult]: For program point L385(lines 385 423) no Hoare annotation was computed. [2020-11-29 19:38:44,658 INFO L274 CegarLoopResult]: For program point L319(lines 319 423) no Hoare annotation was computed. [2020-11-29 19:38:44,658 INFO L274 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-11-29 19:38:44,659 INFO L274 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-11-29 19:38:44,659 INFO L274 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-11-29 19:38:44,659 INFO L274 CegarLoopResult]: For program point L189(lines 189 423) no Hoare annotation was computed. [2020-11-29 19:38:44,659 INFO L274 CegarLoopResult]: For program point L123(lines 123 423) no Hoare annotation was computed. [2020-11-29 19:38:44,659 INFO L274 CegarLoopResult]: For program point L57(lines 57 423) no Hoare annotation was computed. [2020-11-29 19:38:44,659 INFO L274 CegarLoopResult]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,659 INFO L274 CegarLoopResult]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,659 INFO L274 CegarLoopResult]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,659 INFO L274 CegarLoopResult]: For program point L388(lines 388 423) no Hoare annotation was computed. [2020-11-29 19:38:44,659 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 19:38:44,659 INFO L274 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-11-29 19:38:44,659 INFO L274 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-11-29 19:38:44,660 INFO L274 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-11-29 19:38:44,660 INFO L274 CegarLoopResult]: For program point L390(lines 390 423) no Hoare annotation was computed. [2020-11-29 19:38:44,660 INFO L274 CegarLoopResult]: For program point L324(lines 324 423) no Hoare annotation was computed. [2020-11-29 19:38:44,660 INFO L274 CegarLoopResult]: For program point L258(lines 258 423) no Hoare annotation was computed. [2020-11-29 19:38:44,660 INFO L274 CegarLoopResult]: For program point L60(lines 60 423) no Hoare annotation was computed. [2020-11-29 19:38:44,660 INFO L274 CegarLoopResult]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,660 INFO L274 CegarLoopResult]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,660 INFO L274 CegarLoopResult]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,660 INFO L274 CegarLoopResult]: For program point L391(lines 391 397) no Hoare annotation was computed. [2020-11-29 19:38:44,660 INFO L274 CegarLoopResult]: For program point L325(lines 325 336) no Hoare annotation was computed. [2020-11-29 19:38:44,660 INFO L274 CegarLoopResult]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2020-11-29 19:38:44,661 INFO L274 CegarLoopResult]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2020-11-29 19:38:44,661 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-11-29 19:38:44,661 INFO L274 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-11-29 19:38:44,661 INFO L274 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-11-29 19:38:44,661 INFO L274 CegarLoopResult]: For program point L195(lines 195 423) no Hoare annotation was computed. [2020-11-29 19:38:44,661 INFO L274 CegarLoopResult]: For program point L129(lines 129 423) no Hoare annotation was computed. [2020-11-29 19:38:44,661 INFO L274 CegarLoopResult]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,661 INFO L274 CegarLoopResult]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,661 INFO L274 CegarLoopResult]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,661 INFO L274 CegarLoopResult]: For program point L64(lines 64 423) no Hoare annotation was computed. [2020-11-29 19:38:44,661 INFO L274 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-11-29 19:38:44,661 INFO L274 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-11-29 19:38:44,662 INFO L274 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-11-29 19:38:44,662 INFO L274 CegarLoopResult]: For program point L263(lines 263 423) no Hoare annotation was computed. [2020-11-29 19:38:44,662 INFO L274 CegarLoopResult]: For program point L197(lines 197 423) no Hoare annotation was computed. [2020-11-29 19:38:44,662 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 19:38:44,662 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 19:38:44,662 INFO L274 CegarLoopResult]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,662 INFO L274 CegarLoopResult]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,662 INFO L274 CegarLoopResult]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,662 INFO L274 CegarLoopResult]: For program point L199(lines 199 423) no Hoare annotation was computed. [2020-11-29 19:38:44,662 INFO L274 CegarLoopResult]: For program point L133(lines 133 423) no Hoare annotation was computed. [2020-11-29 19:38:44,662 INFO L274 CegarLoopResult]: For program point L596(line 596) no Hoare annotation was computed. [2020-11-29 19:38:44,663 INFO L274 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-11-29 19:38:44,663 INFO L274 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-11-29 19:38:44,663 INFO L274 CegarLoopResult]: For program point L399(lines 399 423) no Hoare annotation was computed. [2020-11-29 19:38:44,663 INFO L274 CegarLoopResult]: For program point L201(lines 201 423) no Hoare annotation was computed. [2020-11-29 19:38:44,663 INFO L274 CegarLoopResult]: For program point L69(lines 69 423) no Hoare annotation was computed. [2020-11-29 19:38:44,663 INFO L274 CegarLoopResult]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,663 INFO L274 CegarLoopResult]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,663 INFO L274 CegarLoopResult]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,663 INFO L274 CegarLoopResult]: For program point L599(line 599) no Hoare annotation was computed. [2020-11-29 19:38:44,663 INFO L274 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-11-29 19:38:44,663 INFO L274 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-11-29 19:38:44,664 INFO L274 CegarLoopResult]: For program point L269(lines 269 423) no Hoare annotation was computed. [2020-11-29 19:38:44,664 INFO L274 CegarLoopResult]: For program point L204(lines 204 423) no Hoare annotation was computed. [2020-11-29 19:38:44,664 INFO L274 CegarLoopResult]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,664 INFO L274 CegarLoopResult]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,664 INFO L274 CegarLoopResult]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,664 INFO L274 CegarLoopResult]: For program point L271(lines 271 423) no Hoare annotation was computed. [2020-11-29 19:38:44,664 INFO L274 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-11-29 19:38:44,664 INFO L274 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-11-29 19:38:44,664 INFO L274 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-11-29 19:38:44,664 INFO L274 CegarLoopResult]: For program point L404(lines 404 423) no Hoare annotation was computed. [2020-11-29 19:38:44,664 INFO L274 CegarLoopResult]: For program point L338(lines 338 423) no Hoare annotation was computed. [2020-11-29 19:38:44,664 INFO L274 CegarLoopResult]: For program point L272(lines 272 284) no Hoare annotation was computed. [2020-11-29 19:38:44,665 INFO L274 CegarLoopResult]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2020-11-29 19:38:44,665 INFO L274 CegarLoopResult]: For program point L140(lines 140 423) no Hoare annotation was computed. [2020-11-29 19:38:44,665 INFO L274 CegarLoopResult]: For program point L75(lines 75 423) no Hoare annotation was computed. [2020-11-29 19:38:44,667 INFO L274 CegarLoopResult]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2020-11-29 19:38:44,667 INFO L274 CegarLoopResult]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,667 INFO L274 CegarLoopResult]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,667 INFO L274 CegarLoopResult]: For program point L208(lines 208 423) no Hoare annotation was computed. [2020-11-29 19:38:44,667 INFO L274 CegarLoopResult]: For program point L605(line 605) no Hoare annotation was computed. [2020-11-29 19:38:44,667 INFO L274 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-11-29 19:38:44,668 INFO L274 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-11-29 19:38:44,668 INFO L274 CegarLoopResult]: For program point L341(lines 341 423) no Hoare annotation was computed. [2020-11-29 19:38:44,668 INFO L274 CegarLoopResult]: For program point L408(lines 408 423) no Hoare annotation was computed. [2020-11-29 19:38:44,668 INFO L274 CegarLoopResult]: For program point L342(lines 342 345) no Hoare annotation was computed. [2020-11-29 19:38:44,668 INFO L274 CegarLoopResult]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2020-11-29 19:38:44,668 INFO L274 CegarLoopResult]: For program point L144(lines 144 423) no Hoare annotation was computed. [2020-11-29 19:38:44,668 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-29 19:38:44,669 INFO L270 CegarLoopResult]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse1 (<= ~a28~0 10)) (.cse2 (= ~a19~0 1)) (.cse0 (<= ~a17~0 8))) (or (and (<= ~a19~0 0) .cse0 .cse1) (and (<= 9 ~a28~0) .cse2 .cse0 .cse1) (and (<= ~a11~0 0) .cse2 (<= ~a28~0 7) .cse0) (and .cse2 (= ~a25~0 1) .cse0))) [2020-11-29 19:38:44,669 INFO L274 CegarLoopResult]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,669 INFO L274 CegarLoopResult]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,669 INFO L274 CegarLoopResult]: For program point L79(lines 79 423) no Hoare annotation was computed. [2020-11-29 19:38:44,669 INFO L274 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-11-29 19:38:44,669 INFO L274 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-11-29 19:38:44,670 INFO L274 CegarLoopResult]: For program point L212(lines 212 423) no Hoare annotation was computed. [2020-11-29 19:38:44,670 INFO L274 CegarLoopResult]: For program point L213(lines 213 220) no Hoare annotation was computed. [2020-11-29 19:38:44,670 INFO L274 CegarLoopResult]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2020-11-29 19:38:44,670 INFO L277 CegarLoopResult]: At program point L610(lines 610 627) the Hoare annotation is: true [2020-11-29 19:38:44,670 INFO L274 CegarLoopResult]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,670 INFO L274 CegarLoopResult]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,670 INFO L274 CegarLoopResult]: For program point L412(lines 412 423) no Hoare annotation was computed. [2020-11-29 19:38:44,671 INFO L274 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-11-29 19:38:44,671 INFO L274 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-11-29 19:38:44,671 INFO L274 CegarLoopResult]: For program point L347(lines 347 423) no Hoare annotation was computed. [2020-11-29 19:38:44,671 INFO L274 CegarLoopResult]: For program point L149(lines 149 423) no Hoare annotation was computed. [2020-11-29 19:38:44,671 INFO L274 CegarLoopResult]: For program point L414(lines 414 423) no Hoare annotation was computed. [2020-11-29 19:38:44,671 INFO L274 CegarLoopResult]: For program point L348(lines 348 357) no Hoare annotation was computed. [2020-11-29 19:38:44,671 INFO L274 CegarLoopResult]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2020-11-29 19:38:44,672 INFO L274 CegarLoopResult]: For program point L84(lines 84 423) no Hoare annotation was computed. [2020-11-29 19:38:44,672 INFO L274 CegarLoopResult]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,672 INFO L274 CegarLoopResult]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,672 INFO L274 CegarLoopResult]: For program point L85(lines 85 90) no Hoare annotation was computed. [2020-11-29 19:38:44,672 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2020-11-29 19:38:44,672 INFO L274 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-11-29 19:38:44,672 INFO L274 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-11-29 19:38:44,673 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 19:38:44,673 INFO L274 CegarLoopResult]: For program point L417(lines 417 423) no Hoare annotation was computed. [2020-11-29 19:38:44,673 INFO L274 CegarLoopResult]: For program point L153(lines 153 423) no Hoare annotation was computed. [2020-11-29 19:38:44,673 INFO L270 CegarLoopResult]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse1 (<= ~a28~0 10)) (.cse2 (= ~a19~0 1)) (.cse0 (<= ~a17~0 8))) (or (and (<= ~a19~0 0) .cse0 .cse1) (and (<= 9 ~a28~0) .cse2 .cse0 .cse1) (and (<= ~a11~0 0) .cse2 (<= ~a28~0 7) .cse0) (and .cse2 (= ~a25~0 1) .cse0))) [2020-11-29 19:38:44,673 INFO L274 CegarLoopResult]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,673 INFO L274 CegarLoopResult]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,673 INFO L274 CegarLoopResult]: For program point L286(lines 286 423) no Hoare annotation was computed. [2020-11-29 19:38:44,674 INFO L274 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-11-29 19:38:44,674 INFO L274 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-11-29 19:38:44,674 INFO L274 CegarLoopResult]: For program point L419(lines 419 423) no Hoare annotation was computed. [2020-11-29 19:38:44,674 INFO L274 CegarLoopResult]: For program point L222(lines 222 423) no Hoare annotation was computed. [2020-11-29 19:38:44,674 INFO L274 CegarLoopResult]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,674 INFO L274 CegarLoopResult]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,674 INFO L274 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-11-29 19:38:44,675 INFO L274 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-11-29 19:38:44,675 INFO L274 CegarLoopResult]: For program point L290(lines 290 423) no Hoare annotation was computed. [2020-11-29 19:38:44,675 INFO L274 CegarLoopResult]: For program point L158(lines 158 423) no Hoare annotation was computed. [2020-11-29 19:38:44,675 INFO L274 CegarLoopResult]: For program point L92(lines 92 423) no Hoare annotation was computed. [2020-11-29 19:38:44,675 INFO L274 CegarLoopResult]: For program point L621(line 621) no Hoare annotation was computed. [2020-11-29 19:38:44,675 INFO L274 CegarLoopResult]: For program point L225(lines 225 423) no Hoare annotation was computed. [2020-11-29 19:38:44,675 INFO L274 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-11-29 19:38:44,675 INFO L274 CegarLoopResult]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2020-11-29 19:38:44,676 INFO L274 CegarLoopResult]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,676 INFO L274 CegarLoopResult]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,676 INFO L274 CegarLoopResult]: For program point L424(lines 424 426) no Hoare annotation was computed. [2020-11-29 19:38:44,676 INFO L274 CegarLoopResult]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,676 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 19:38:44,676 INFO L274 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-11-29 19:38:44,676 INFO L274 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-11-29 19:38:44,677 INFO L274 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-11-29 19:38:44,677 INFO L274 CegarLoopResult]: For program point L359(lines 359 423) no Hoare annotation was computed. [2020-11-29 19:38:44,677 INFO L274 CegarLoopResult]: For program point L293(lines 293 423) no Hoare annotation was computed. [2020-11-29 19:38:44,677 INFO L274 CegarLoopResult]: For program point L228(lines 228 423) no Hoare annotation was computed. [2020-11-29 19:38:44,677 INFO L274 CegarLoopResult]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,677 INFO L274 CegarLoopResult]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,677 INFO L274 CegarLoopResult]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,677 INFO L274 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-11-29 19:38:44,678 INFO L274 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-11-29 19:38:44,678 INFO L274 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-11-29 19:38:44,678 INFO L274 CegarLoopResult]: For program point L296(lines 296 423) no Hoare annotation was computed. [2020-11-29 19:38:44,678 INFO L274 CegarLoopResult]: For program point L164(lines 164 423) no Hoare annotation was computed. [2020-11-29 19:38:44,678 INFO L274 CegarLoopResult]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,678 INFO L274 CegarLoopResult]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,678 INFO L274 CegarLoopResult]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:38:44,679 INFO L274 CegarLoopResult]: For program point L364(lines 364 423) no Hoare annotation was computed. [2020-11-29 19:38:44,679 INFO L274 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-11-29 19:38:44,679 INFO L274 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-11-29 19:38:44,679 INFO L274 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-11-29 19:38:44,679 INFO L274 CegarLoopResult]: For program point L233(lines 233 423) no Hoare annotation was computed. [2020-11-29 19:38:44,679 INFO L274 CegarLoopResult]: For program point L101(lines 101 423) no Hoare annotation was computed. [2020-11-29 19:38:44,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:38:44 BoogieIcfgContainer [2020-11-29 19:38:44,699 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 19:38:44,699 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:38:44,700 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:38:44,700 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:38:44,700 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:38:34" (3/4) ... [2020-11-29 19:38:44,703 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 19:38:44,725 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 19:38:44,727 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 19:38:44,728 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:38:44,729 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:38:44,911 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_be85a299-5b03-439c-854d-30179fb3b9cd/bin/uautomizer/witness.graphml [2020-11-29 19:38:44,911 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:38:44,913 INFO L168 Benchmark]: Toolchain (without parser) took 13685.18 ms. Allocated memory was 117.4 MB in the beginning and 270.5 MB in the end (delta: 153.1 MB). Free memory was 82.2 MB in the beginning and 146.3 MB in the end (delta: -64.1 MB). Peak memory consumption was 90.0 MB. Max. memory is 16.1 GB. [2020-11-29 19:38:44,914 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 79.7 MB. Free memory was 40.0 MB in the beginning and 39.9 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:38:44,915 INFO L168 Benchmark]: CACSL2BoogieTranslator took 663.04 ms. Allocated memory is still 117.4 MB. Free memory was 81.9 MB in the beginning and 75.8 MB in the end (delta: 6.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 19:38:44,915 INFO L168 Benchmark]: Boogie Procedure Inliner took 128.67 ms. Allocated memory is still 117.4 MB. Free memory was 75.1 MB in the beginning and 70.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:38:44,915 INFO L168 Benchmark]: Boogie Preprocessor took 57.73 ms. Allocated memory is still 117.4 MB. Free memory was 70.3 MB in the beginning and 65.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:38:44,916 INFO L168 Benchmark]: RCFGBuilder took 1939.21 ms. Allocated memory was 117.4 MB in the beginning and 151.0 MB in the end (delta: 33.6 MB). Free memory was 65.9 MB in the beginning and 119.0 MB in the end (delta: -53.1 MB). Peak memory consumption was 53.8 MB. Max. memory is 16.1 GB. [2020-11-29 19:38:44,916 INFO L168 Benchmark]: TraceAbstraction took 10675.02 ms. Allocated memory was 151.0 MB in the beginning and 270.5 MB in the end (delta: 119.5 MB). Free memory was 118.0 MB in the beginning and 162.0 MB in the end (delta: -44.1 MB). Peak memory consumption was 74.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:38:44,917 INFO L168 Benchmark]: Witness Printer took 212.18 ms. Allocated memory is still 270.5 MB. Free memory was 161.0 MB in the beginning and 146.3 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 19:38:44,919 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 79.7 MB. Free memory was 40.0 MB in the beginning and 39.9 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 663.04 ms. Allocated memory is still 117.4 MB. Free memory was 81.9 MB in the beginning and 75.8 MB in the end (delta: 6.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 128.67 ms. Allocated memory is still 117.4 MB. Free memory was 75.1 MB in the beginning and 70.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 57.73 ms. Allocated memory is still 117.4 MB. Free memory was 70.3 MB in the beginning and 65.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1939.21 ms. Allocated memory was 117.4 MB in the beginning and 151.0 MB in the end (delta: 33.6 MB). Free memory was 65.9 MB in the beginning and 119.0 MB in the end (delta: -53.1 MB). Peak memory consumption was 53.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 10675.02 ms. Allocated memory was 151.0 MB in the beginning and 270.5 MB in the end (delta: 119.5 MB). Free memory was 118.0 MB in the beginning and 162.0 MB in the end (delta: -44.1 MB). Peak memory consumption was 74.4 MB. Max. memory is 16.1 GB. * Witness Printer took 212.18 ms. Allocated memory is still 270.5 MB. Free memory was 161.0 MB in the beginning and 146.3 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: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: ((((a19 <= 0 && a17 <= 8) && a28 <= 10) || (((9 <= a28 && a19 == 1) && a17 <= 8) && a28 <= 10)) || (((a11 <= 0 && a19 == 1) && a28 <= 7) && a17 <= 8)) || ((a19 == 1 && a25 == 1) && a17 <= 8) - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: ((((a19 <= 0 && a17 <= 8) && a28 <= 10) || (((9 <= a28 && a19 == 1) && a17 <= 8) && a28 <= 10)) || (((a11 <= 0 && a19 == 1) && a28 <= 7) && a17 <= 8)) || ((a19 == 1 && a25 == 1) && a17 <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 228 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.3s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 6.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 964 SDtfs, 986 SDslu, 109 SDs, 0 SdLazy, 2770 SolverSat, 565 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 660 GetRequests, 643 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2149occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 47 NumberOfFragments, 95 HoareAnnotationTreeSize, 3 FomulaSimplifications, 518 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 38 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1903 NumberOfCodeBlocks, 1903 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1891 ConstructedInterpolants, 0 QuantifiedInterpolants, 599144 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1264 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 8 PerfectInterpolantSequences, 381/403 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...