./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label41.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_50728b31-8aae-4b5d-933e-c1f4f63e369b/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_50728b31-8aae-4b5d-933e-c1f4f63e369b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_50728b31-8aae-4b5d-933e-c1f4f63e369b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_50728b31-8aae-4b5d-933e-c1f4f63e369b/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label41.c -s /tmp/vcloud-vcloud-master/worker/run_dir_50728b31-8aae-4b5d-933e-c1f4f63e369b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_50728b31-8aae-4b5d-933e-c1f4f63e369b/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 b174e1814bd9b57d51be1f924645d02065497326 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 02:56:49,786 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:56:49,789 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:56:49,882 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:56:49,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:56:49,884 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:56:49,887 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:56:49,890 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:56:49,893 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:56:49,894 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:56:49,896 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:56:49,898 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:56:49,898 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:56:49,900 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:56:49,902 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:56:49,905 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:56:49,907 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:56:49,916 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:56:49,921 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:56:49,929 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:56:49,931 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:56:49,937 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:56:49,939 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:56:49,940 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:56:49,944 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:56:49,944 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:56:49,945 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:56:49,946 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:56:49,947 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:56:49,949 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:56:49,949 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:56:49,950 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:56:49,952 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:56:49,953 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:56:49,954 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:56:49,955 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:56:49,956 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:56:49,956 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:56:49,957 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:56:49,958 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:56:49,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:56:49,960 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_50728b31-8aae-4b5d-933e-c1f4f63e369b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 02:56:49,988 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:56:49,989 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:56:49,990 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:56:49,990 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:56:49,991 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:56:49,991 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:56:49,991 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 02:56:49,991 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 02:56:49,992 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 02:56:49,992 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:56:49,992 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 02:56:49,992 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 02:56:49,993 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 02:56:49,993 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 02:56:49,993 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:56:49,993 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:56:49,994 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 02:56:49,994 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:56:49,994 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:56:49,994 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 02:56:49,995 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 02:56:49,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:56:49,995 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:56:49,996 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 02:56:49,996 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 02:56:49,996 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 02:56:49,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 02:56:49,997 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 02:56:49,997 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:56:49,997 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_50728b31-8aae-4b5d-933e-c1f4f63e369b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_50728b31-8aae-4b5d-933e-c1f4f63e369b/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b174e1814bd9b57d51be1f924645d02065497326 [2020-11-28 02:56:50,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:56:50,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:56:50,391 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:56:50,393 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:56:50,395 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:56:50,397 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_50728b31-8aae-4b5d-933e-c1f4f63e369b/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label41.c [2020-11-28 02:56:50,478 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_50728b31-8aae-4b5d-933e-c1f4f63e369b/bin/uautomizer/data/fe6ed5d58/af388e1a09b547048bf448e6918447f3/FLAG8de9f108f [2020-11-28 02:56:51,052 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:56:51,053 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_50728b31-8aae-4b5d-933e-c1f4f63e369b/sv-benchmarks/c/eca-rers2012/Problem01_label41.c [2020-11-28 02:56:51,069 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_50728b31-8aae-4b5d-933e-c1f4f63e369b/bin/uautomizer/data/fe6ed5d58/af388e1a09b547048bf448e6918447f3/FLAG8de9f108f [2020-11-28 02:56:51,308 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_50728b31-8aae-4b5d-933e-c1f4f63e369b/bin/uautomizer/data/fe6ed5d58/af388e1a09b547048bf448e6918447f3 [2020-11-28 02:56:51,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:56:51,312 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:56:51,314 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:56:51,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:56:51,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:56:51,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:56:51" (1/1) ... [2020-11-28 02:56:51,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@385b9180 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:51, skipping insertion in model container [2020-11-28 02:56:51,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:56:51" (1/1) ... [2020-11-28 02:56:51,331 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:56:51,377 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:56:51,862 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:56:51,876 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:56:52,047 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:56:52,074 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:56:52,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:52 WrapperNode [2020-11-28 02:56:52,076 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:56:52,077 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 02:56:52,077 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 02:56:52,077 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 02:56:52,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:52" (1/1) ... [2020-11-28 02:56:52,107 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:52" (1/1) ... [2020-11-28 02:56:52,181 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 02:56:52,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:56:52,182 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:56:52,182 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:56:52,200 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:52" (1/1) ... [2020-11-28 02:56:52,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:52" (1/1) ... [2020-11-28 02:56:52,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:52" (1/1) ... [2020-11-28 02:56:52,219 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:52" (1/1) ... [2020-11-28 02:56:52,256 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:52" (1/1) ... [2020-11-28 02:56:52,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:52" (1/1) ... [2020-11-28 02:56:52,294 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:52" (1/1) ... [2020-11-28 02:56:52,300 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:56:52,307 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:56:52,307 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:56:52,307 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:56:52,308 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_50728b31-8aae-4b5d-933e-c1f4f63e369b/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:56:52,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 02:56:52,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 02:56:52,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:56:52,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:56:54,026 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 02:56:54,026 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 02:56:54,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:54 BoogieIcfgContainer [2020-11-28 02:56:54,028 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 02:56:54,030 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 02:56:54,030 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 02:56:54,034 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 02:56:54,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:56:51" (1/3) ... [2020-11-28 02:56:54,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@286ff791 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:56:54, skipping insertion in model container [2020-11-28 02:56:54,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:52" (2/3) ... [2020-11-28 02:56:54,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@286ff791 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:56:54, skipping insertion in model container [2020-11-28 02:56:54,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:54" (3/3) ... [2020-11-28 02:56:54,038 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label41.c [2020-11-28 02:56:54,051 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 02:56:54,056 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 02:56:54,070 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 02:56:54,100 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 02:56:54,101 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 02:56:54,101 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 02:56:54,101 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 02:56:54,101 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 02:56:54,101 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 02:56:54,101 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 02:56:54,102 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 02:56:54,123 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2020-11-28 02:56:54,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-11-28 02:56:54,134 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:54,135 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] [2020-11-28 02:56:54,135 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:54,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:54,142 INFO L82 PathProgramCache]: Analyzing trace with hash 867355110, now seen corresponding path program 1 times [2020-11-28 02:56:54,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:54,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897439010] [2020-11-28 02:56:54,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:54,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:54,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:56:54,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897439010] [2020-11-28 02:56:54,610 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:54,610 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:56:54,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689057149] [2020-11-28 02:56:54,619 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:56:54,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:54,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:56:54,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:56:54,640 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 3 states. [2020-11-28 02:56:55,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:55,822 INFO L93 Difference]: Finished difference Result 529 states and 916 transitions. [2020-11-28 02:56:55,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:56:55,824 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2020-11-28 02:56:55,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:55,843 INFO L225 Difference]: With dead ends: 529 [2020-11-28 02:56:55,843 INFO L226 Difference]: Without dead ends: 266 [2020-11-28 02:56:55,847 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:56:55,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-11-28 02:56:55,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-11-28 02:56:55,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-11-28 02:56:55,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 380 transitions. [2020-11-28 02:56:55,928 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 380 transitions. Word has length 85 [2020-11-28 02:56:55,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:55,930 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 380 transitions. [2020-11-28 02:56:55,930 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:56:55,931 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 380 transitions. [2020-11-28 02:56:55,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-11-28 02:56:55,944 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:55,945 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:55,945 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 02:56:55,945 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:55,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:55,948 INFO L82 PathProgramCache]: Analyzing trace with hash 760034033, now seen corresponding path program 1 times [2020-11-28 02:56:55,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:55,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943538128] [2020-11-28 02:56:55,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:55,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:56,019 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:56:56,020 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943538128] [2020-11-28 02:56:56,020 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:56,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:56:56,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931518126] [2020-11-28 02:56:56,022 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:56:56,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:56,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:56:56,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:56:56,024 INFO L87 Difference]: Start difference. First operand 266 states and 380 transitions. Second operand 3 states. [2020-11-28 02:56:56,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:56,722 INFO L93 Difference]: Finished difference Result 792 states and 1135 transitions. [2020-11-28 02:56:56,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:56:56,723 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 91 [2020-11-28 02:56:56,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:56,727 INFO L225 Difference]: With dead ends: 792 [2020-11-28 02:56:56,728 INFO L226 Difference]: Without dead ends: 528 [2020-11-28 02:56:56,730 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:56:56,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2020-11-28 02:56:56,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2020-11-28 02:56:56,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2020-11-28 02:56:56,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 745 transitions. [2020-11-28 02:56:56,798 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 745 transitions. Word has length 91 [2020-11-28 02:56:56,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:56,799 INFO L481 AbstractCegarLoop]: Abstraction has 528 states and 745 transitions. [2020-11-28 02:56:56,799 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:56:56,799 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 745 transitions. [2020-11-28 02:56:56,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-11-28 02:56:56,801 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:56,801 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:56,801 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 02:56:56,802 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:56,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:56,802 INFO L82 PathProgramCache]: Analyzing trace with hash 754243569, now seen corresponding path program 1 times [2020-11-28 02:56:56,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:56,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238487962] [2020-11-28 02:56:56,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:56,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:56,948 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:56:56,949 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238487962] [2020-11-28 02:56:56,950 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:56,950 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:56:56,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611398898] [2020-11-28 02:56:56,952 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:56:56,952 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:56,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:56:56,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:56:56,965 INFO L87 Difference]: Start difference. First operand 528 states and 745 transitions. Second operand 3 states. [2020-11-28 02:56:57,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:57,596 INFO L93 Difference]: Finished difference Result 1447 states and 2051 transitions. [2020-11-28 02:56:57,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:56:57,596 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2020-11-28 02:56:57,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:57,603 INFO L225 Difference]: With dead ends: 1447 [2020-11-28 02:56:57,603 INFO L226 Difference]: Without dead ends: 921 [2020-11-28 02:56:57,604 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:56:57,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2020-11-28 02:56:57,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 790. [2020-11-28 02:56:57,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2020-11-28 02:56:57,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1037 transitions. [2020-11-28 02:56:57,647 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1037 transitions. Word has length 92 [2020-11-28 02:56:57,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:57,648 INFO L481 AbstractCegarLoop]: Abstraction has 790 states and 1037 transitions. [2020-11-28 02:56:57,648 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:56:57,648 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1037 transitions. [2020-11-28 02:56:57,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-11-28 02:56:57,651 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:57,651 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-28 02:56:57,651 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 02:56:57,651 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:57,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:57,652 INFO L82 PathProgramCache]: Analyzing trace with hash -1176504714, now seen corresponding path program 1 times [2020-11-28 02:56:57,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:57,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660693166] [2020-11-28 02:56:57,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:57,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:57,763 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:56:57,763 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660693166] [2020-11-28 02:56:57,763 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:57,763 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:56:57,763 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147995186] [2020-11-28 02:56:57,764 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:56:57,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:57,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:56:57,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:56:57,765 INFO L87 Difference]: Start difference. First operand 790 states and 1037 transitions. Second operand 3 states. [2020-11-28 02:56:58,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:58,393 INFO L93 Difference]: Finished difference Result 2102 states and 2771 transitions. [2020-11-28 02:56:58,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:56:58,394 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2020-11-28 02:56:58,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:58,407 INFO L225 Difference]: With dead ends: 2102 [2020-11-28 02:56:58,412 INFO L226 Difference]: Without dead ends: 1183 [2020-11-28 02:56:58,414 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:56:58,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2020-11-28 02:56:58,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 790. [2020-11-28 02:56:58,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2020-11-28 02:56:58,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 923 transitions. [2020-11-28 02:56:58,444 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 923 transitions. Word has length 93 [2020-11-28 02:56:58,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:58,445 INFO L481 AbstractCegarLoop]: Abstraction has 790 states and 923 transitions. [2020-11-28 02:56:58,445 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:56:58,445 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 923 transitions. [2020-11-28 02:56:58,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-11-28 02:56:58,449 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:58,449 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:58,450 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 02:56:58,450 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:58,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:58,451 INFO L82 PathProgramCache]: Analyzing trace with hash 844045906, now seen corresponding path program 1 times [2020-11-28 02:56:58,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:58,452 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267469626] [2020-11-28 02:56:58,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:58,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:58,615 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-11-28 02:56:58,616 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267469626] [2020-11-28 02:56:58,616 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:58,616 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:56:58,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219933490] [2020-11-28 02:56:58,617 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 02:56:58,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:58,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 02:56:58,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 02:56:58,619 INFO L87 Difference]: Start difference. First operand 790 states and 923 transitions. Second operand 4 states. [2020-11-28 02:56:59,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:59,506 INFO L93 Difference]: Finished difference Result 2102 states and 2452 transitions. [2020-11-28 02:56:59,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 02:56:59,506 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 139 [2020-11-28 02:56:59,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:59,514 INFO L225 Difference]: With dead ends: 2102 [2020-11-28 02:56:59,514 INFO L226 Difference]: Without dead ends: 1314 [2020-11-28 02:56:59,516 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 02:56:59,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2020-11-28 02:56:59,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1183. [2020-11-28 02:56:59,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1183 states. [2020-11-28 02:56:59,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1346 transitions. [2020-11-28 02:56:59,572 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1346 transitions. Word has length 139 [2020-11-28 02:56:59,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:59,572 INFO L481 AbstractCegarLoop]: Abstraction has 1183 states and 1346 transitions. [2020-11-28 02:56:59,572 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 02:56:59,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1346 transitions. [2020-11-28 02:56:59,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-11-28 02:56:59,576 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:59,577 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-28 02:56:59,577 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 02:56:59,577 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:59,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:59,578 INFO L82 PathProgramCache]: Analyzing trace with hash 1641145710, now seen corresponding path program 1 times [2020-11-28 02:56:59,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:59,578 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939457048] [2020-11-28 02:56:59,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:59,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:59,704 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2020-11-28 02:56:59,704 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939457048] [2020-11-28 02:56:59,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:59,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:56:59,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950664840] [2020-11-28 02:56:59,707 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:56:59,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:59,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:56:59,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:56:59,710 INFO L87 Difference]: Start difference. First operand 1183 states and 1346 transitions. Second operand 3 states. [2020-11-28 02:57:00,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:00,299 INFO L93 Difference]: Finished difference Result 2495 states and 2844 transitions. [2020-11-28 02:57:00,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:57:00,300 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 164 [2020-11-28 02:57:00,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:00,307 INFO L225 Difference]: With dead ends: 2495 [2020-11-28 02:57:00,307 INFO L226 Difference]: Without dead ends: 1314 [2020-11-28 02:57:00,309 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:57:00,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2020-11-28 02:57:00,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1314. [2020-11-28 02:57:00,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1314 states. [2020-11-28 02:57:00,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1490 transitions. [2020-11-28 02:57:00,351 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1490 transitions. Word has length 164 [2020-11-28 02:57:00,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:00,356 INFO L481 AbstractCegarLoop]: Abstraction has 1314 states and 1490 transitions. [2020-11-28 02:57:00,356 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:57:00,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1490 transitions. [2020-11-28 02:57:00,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-11-28 02:57:00,360 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:00,360 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-28 02:57:00,361 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 02:57:00,361 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:00,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:00,361 INFO L82 PathProgramCache]: Analyzing trace with hash -1372233944, now seen corresponding path program 1 times [2020-11-28 02:57:00,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:00,362 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067678558] [2020-11-28 02:57:00,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:00,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:00,509 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 78 proven. 3 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2020-11-28 02:57:00,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067678558] [2020-11-28 02:57:00,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [665816193] [2020-11-28 02:57:00,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_50728b31-8aae-4b5d-933e-c1f4f63e369b/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 02:57:00,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:00,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 02:57:00,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:57:00,824 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-11-28 02:57:00,824 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 02:57:00,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-28 02:57:00,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692311182] [2020-11-28 02:57:00,825 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:57:00,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:00,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:57:00,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:57:00,827 INFO L87 Difference]: Start difference. First operand 1314 states and 1490 transitions. Second operand 3 states. [2020-11-28 02:57:01,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:01,624 INFO L93 Difference]: Finished difference Result 3150 states and 3581 transitions. [2020-11-28 02:57:01,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:57:01,625 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 168 [2020-11-28 02:57:01,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:01,637 INFO L225 Difference]: With dead ends: 3150 [2020-11-28 02:57:01,638 INFO L226 Difference]: Without dead ends: 1838 [2020-11-28 02:57:01,640 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:57:01,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2020-11-28 02:57:01,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1314. [2020-11-28 02:57:01,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1314 states. [2020-11-28 02:57:01,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1490 transitions. [2020-11-28 02:57:01,680 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1490 transitions. Word has length 168 [2020-11-28 02:57:01,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:01,681 INFO L481 AbstractCegarLoop]: Abstraction has 1314 states and 1490 transitions. [2020-11-28 02:57:01,681 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:57:01,681 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1490 transitions. [2020-11-28 02:57:01,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-11-28 02:57:01,685 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:01,686 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:57:01,899 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-11-28 02:57:01,900 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:01,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:01,900 INFO L82 PathProgramCache]: Analyzing trace with hash 1690670661, now seen corresponding path program 1 times [2020-11-28 02:57:01,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:01,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878402202] [2020-11-28 02:57:01,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:02,047 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 64 proven. 3 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-11-28 02:57:02,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878402202] [2020-11-28 02:57:02,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [459566673] [2020-11-28 02:57:02,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_50728b31-8aae-4b5d-933e-c1f4f63e369b/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 02:57:02,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:02,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 02:57:02,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:57:02,272 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 02:57:02,272 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 02:57:02,272 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-28 02:57:02,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985784592] [2020-11-28 02:57:02,273 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:57:02,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:02,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:57:02,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:57:02,274 INFO L87 Difference]: Start difference. First operand 1314 states and 1490 transitions. Second operand 3 states. [2020-11-28 02:57:02,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:02,874 INFO L93 Difference]: Finished difference Result 3543 states and 3988 transitions. [2020-11-28 02:57:02,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:57:02,874 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 172 [2020-11-28 02:57:02,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:02,915 INFO L225 Difference]: With dead ends: 3543 [2020-11-28 02:57:02,919 INFO L226 Difference]: Without dead ends: 2100 [2020-11-28 02:57:02,926 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:57:02,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2020-11-28 02:57:02,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 1969. [2020-11-28 02:57:02,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1969 states. [2020-11-28 02:57:02,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2164 transitions. [2020-11-28 02:57:02,978 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2164 transitions. Word has length 172 [2020-11-28 02:57:02,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:02,979 INFO L481 AbstractCegarLoop]: Abstraction has 1969 states and 2164 transitions. [2020-11-28 02:57:02,979 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:57:02,979 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2164 transitions. [2020-11-28 02:57:02,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-11-28 02:57:02,985 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:02,986 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:57:03,211 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 02:57:03,212 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:03,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:03,212 INFO L82 PathProgramCache]: Analyzing trace with hash -2083151818, now seen corresponding path program 1 times [2020-11-28 02:57:03,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:03,213 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686206078] [2020-11-28 02:57:03,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:03,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:03,356 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 86 proven. 3 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2020-11-28 02:57:03,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686206078] [2020-11-28 02:57:03,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1596850023] [2020-11-28 02:57:03,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_50728b31-8aae-4b5d-933e-c1f4f63e369b/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 02:57:03,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:03,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 02:57:03,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:57:03,576 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-28 02:57:03,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 02:57:03,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-28 02:57:03,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390025980] [2020-11-28 02:57:03,577 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:57:03,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:03,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:57:03,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:57:03,578 INFO L87 Difference]: Start difference. First operand 1969 states and 2164 transitions. Second operand 3 states. [2020-11-28 02:57:04,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:04,173 INFO L93 Difference]: Finished difference Result 4198 states and 4599 transitions. [2020-11-28 02:57:04,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:57:04,174 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 188 [2020-11-28 02:57:04,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:04,185 INFO L225 Difference]: With dead ends: 4198 [2020-11-28 02:57:04,185 INFO L226 Difference]: Without dead ends: 2231 [2020-11-28 02:57:04,189 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:57:04,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states. [2020-11-28 02:57:04,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 1969. [2020-11-28 02:57:04,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1969 states. [2020-11-28 02:57:04,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2132 transitions. [2020-11-28 02:57:04,236 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2132 transitions. Word has length 188 [2020-11-28 02:57:04,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:04,237 INFO L481 AbstractCegarLoop]: Abstraction has 1969 states and 2132 transitions. [2020-11-28 02:57:04,237 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:57:04,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2132 transitions. [2020-11-28 02:57:04,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-11-28 02:57:04,243 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:04,243 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:57:04,463 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 02:57:04,464 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:04,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:04,464 INFO L82 PathProgramCache]: Analyzing trace with hash -821619682, now seen corresponding path program 1 times [2020-11-28 02:57:04,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:04,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821847791] [2020-11-28 02:57:04,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:04,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:04,964 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 57 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:57:04,964 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821847791] [2020-11-28 02:57:04,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [91046335] [2020-11-28 02:57:04,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_50728b31-8aae-4b5d-933e-c1f4f63e369b/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 02:57:05,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:05,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 02:57:05,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:57:05,173 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2020-11-28 02:57:05,173 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 02:57:05,173 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-11-28 02:57:05,174 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840735022] [2020-11-28 02:57:05,174 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:57:05,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:05,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:57:05,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-28 02:57:05,176 INFO L87 Difference]: Start difference. First operand 1969 states and 2132 transitions. Second operand 3 states. [2020-11-28 02:57:05,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:05,870 INFO L93 Difference]: Finished difference Result 4065 states and 4407 transitions. [2020-11-28 02:57:05,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:57:05,871 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2020-11-28 02:57:05,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:05,872 INFO L225 Difference]: With dead ends: 4065 [2020-11-28 02:57:05,872 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 02:57:05,876 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-28 02:57:05,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 02:57:05,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 02:57:05,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 02:57:05,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 02:57:05,877 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 189 [2020-11-28 02:57:05,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:05,877 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 02:57:05,877 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:57:05,877 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 02:57:05,877 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 02:57:06,078 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 02:57:06,080 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 02:57:06,404 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 36 [2020-11-28 02:57:06,610 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 36 [2020-11-28 02:57:06,613 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-11-28 02:57:06,613 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-11-28 02:57:06,614 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-11-28 02:57:06,614 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-11-28 02:57:06,614 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-11-28 02:57:06,614 INFO L274 CegarLoopResult]: For program point L102(lines 102 400) no Hoare annotation was computed. [2020-11-28 02:57:06,614 INFO L274 CegarLoopResult]: For program point L598(line 598) no Hoare annotation was computed. [2020-11-28 02:57:06,614 INFO L274 CegarLoopResult]: For program point L334(lines 334 400) no Hoare annotation was computed. [2020-11-28 02:57:06,614 INFO L274 CegarLoopResult]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,614 INFO L274 CegarLoopResult]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,615 INFO L274 CegarLoopResult]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,615 INFO L274 CegarLoopResult]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,615 INFO L274 CegarLoopResult]: For program point L401(lines 401 403) no Hoare annotation was computed. [2020-11-28 02:57:06,615 INFO L274 CegarLoopResult]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,616 INFO L274 CegarLoopResult]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,616 INFO L274 CegarLoopResult]: For program point L302(lines 302 400) no Hoare annotation was computed. [2020-11-28 02:57:06,616 INFO L274 CegarLoopResult]: For program point L170(lines 170 400) no Hoare annotation was computed. [2020-11-28 02:57:06,616 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-11-28 02:57:06,617 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-11-28 02:57:06,617 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-11-28 02:57:06,617 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-11-28 02:57:06,617 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-11-28 02:57:06,617 INFO L274 CegarLoopResult]: For program point L402(line 402) no Hoare annotation was computed. [2020-11-28 02:57:06,617 INFO L274 CegarLoopResult]: For program point L204(lines 204 400) no Hoare annotation was computed. [2020-11-28 02:57:06,618 INFO L274 CegarLoopResult]: For program point L72(lines 72 400) no Hoare annotation was computed. [2020-11-28 02:57:06,618 INFO L274 CegarLoopResult]: For program point L271(lines 271 400) no Hoare annotation was computed. [2020-11-28 02:57:06,619 INFO L274 CegarLoopResult]: For program point L139(lines 139 400) no Hoare annotation was computed. [2020-11-28 02:57:06,620 INFO L274 CegarLoopResult]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,620 INFO L274 CegarLoopResult]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,620 INFO L274 CegarLoopResult]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,620 INFO L274 CegarLoopResult]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,620 INFO L274 CegarLoopResult]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,620 INFO L274 CegarLoopResult]: For program point L371(lines 371 400) no Hoare annotation was computed. [2020-11-28 02:57:06,620 INFO L274 CegarLoopResult]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,620 INFO L274 CegarLoopResult]: For program point L107(lines 107 400) no Hoare annotation was computed. [2020-11-28 02:57:06,620 INFO L274 CegarLoopResult]: For program point L41(lines 41 400) no Hoare annotation was computed. [2020-11-28 02:57:06,621 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-11-28 02:57:06,621 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-11-28 02:57:06,621 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-11-28 02:57:06,621 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-11-28 02:57:06,621 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-11-28 02:57:06,622 INFO L274 CegarLoopResult]: For program point L405(line 405) no Hoare annotation was computed. [2020-11-28 02:57:06,622 INFO L274 CegarLoopResult]: For program point L339(lines 339 400) no Hoare annotation was computed. [2020-11-28 02:57:06,622 INFO L274 CegarLoopResult]: For program point L207(lines 207 400) no Hoare annotation was computed. [2020-11-28 02:57:06,622 INFO L274 CegarLoopResult]: For program point L75(lines 75 400) no Hoare annotation was computed. [2020-11-28 02:57:06,622 INFO L274 CegarLoopResult]: For program point L373(lines 373 400) no Hoare annotation was computed. [2020-11-28 02:57:06,622 INFO L274 CegarLoopResult]: For program point L241(lines 241 400) no Hoare annotation was computed. [2020-11-28 02:57:06,622 INFO L274 CegarLoopResult]: For program point L175(lines 175 400) no Hoare annotation was computed. [2020-11-28 02:57:06,623 INFO L274 CegarLoopResult]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,623 INFO L274 CegarLoopResult]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,623 INFO L274 CegarLoopResult]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,623 INFO L274 CegarLoopResult]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,623 INFO L274 CegarLoopResult]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,623 INFO L274 CegarLoopResult]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,623 INFO L274 CegarLoopResult]: For program point L275(lines 275 400) no Hoare annotation was computed. [2020-11-28 02:57:06,623 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-11-28 02:57:06,624 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-11-28 02:57:06,624 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-11-28 02:57:06,624 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-11-28 02:57:06,624 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-11-28 02:57:06,624 INFO L274 CegarLoopResult]: For program point L408(line 408) no Hoare annotation was computed. [2020-11-28 02:57:06,624 INFO L274 CegarLoopResult]: For program point L375(lines 375 400) no Hoare annotation was computed. [2020-11-28 02:57:06,624 INFO L274 CegarLoopResult]: For program point L309(lines 309 400) no Hoare annotation was computed. [2020-11-28 02:57:06,624 INFO L274 CegarLoopResult]: For program point L45(lines 45 400) no Hoare annotation was computed. [2020-11-28 02:57:06,624 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-28 02:57:06,624 INFO L274 CegarLoopResult]: For program point L343(lines 343 400) no Hoare annotation was computed. [2020-11-28 02:57:06,625 INFO L274 CegarLoopResult]: For program point L112(lines 112 400) no Hoare annotation was computed. [2020-11-28 02:57:06,625 INFO L274 CegarLoopResult]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,625 INFO L274 CegarLoopResult]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,625 INFO L274 CegarLoopResult]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,625 INFO L274 CegarLoopResult]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,626 INFO L274 CegarLoopResult]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,626 INFO L274 CegarLoopResult]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,626 INFO L274 CegarLoopResult]: For program point L278(lines 278 400) no Hoare annotation was computed. [2020-11-28 02:57:06,626 INFO L274 CegarLoopResult]: For program point L146(lines 146 400) no Hoare annotation was computed. [2020-11-28 02:57:06,626 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-11-28 02:57:06,626 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-11-28 02:57:06,626 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-11-28 02:57:06,626 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-11-28 02:57:06,626 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-11-28 02:57:06,626 INFO L274 CegarLoopResult]: For program point L411(line 411) no Hoare annotation was computed. [2020-11-28 02:57:06,627 INFO L274 CegarLoopResult]: For program point L213(lines 213 400) no Hoare annotation was computed. [2020-11-28 02:57:06,627 INFO L274 CegarLoopResult]: For program point L82(lines 82 400) no Hoare annotation was computed. [2020-11-28 02:57:06,627 INFO L274 CegarLoopResult]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,627 INFO L274 CegarLoopResult]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,627 INFO L274 CegarLoopResult]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,627 INFO L274 CegarLoopResult]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,627 INFO L274 CegarLoopResult]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,627 INFO L274 CegarLoopResult]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,628 INFO L274 CegarLoopResult]: For program point L347(lines 347 400) no Hoare annotation was computed. [2020-11-28 02:57:06,628 INFO L274 CegarLoopResult]: For program point L248(lines 248 400) no Hoare annotation was computed. [2020-11-28 02:57:06,628 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-11-28 02:57:06,628 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-11-28 02:57:06,628 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-11-28 02:57:06,629 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-11-28 02:57:06,629 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-11-28 02:57:06,629 INFO L274 CegarLoopResult]: For program point L414(line 414) no Hoare annotation was computed. [2020-11-28 02:57:06,629 INFO L274 CegarLoopResult]: For program point L183(lines 183 400) no Hoare annotation was computed. [2020-11-28 02:57:06,629 INFO L274 CegarLoopResult]: For program point L150(lines 150 400) no Hoare annotation was computed. [2020-11-28 02:57:06,629 INFO L274 CegarLoopResult]: For program point L382(lines 382 400) no Hoare annotation was computed. [2020-11-28 02:57:06,629 INFO L274 CegarLoopResult]: For program point L316(lines 316 400) no Hoare annotation was computed. [2020-11-28 02:57:06,629 INFO L274 CegarLoopResult]: For program point L283(lines 283 400) no Hoare annotation was computed. [2020-11-28 02:57:06,629 INFO L274 CegarLoopResult]: For program point L118(lines 118 400) no Hoare annotation was computed. [2020-11-28 02:57:06,629 INFO L274 CegarLoopResult]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2020-11-28 02:57:06,630 INFO L274 CegarLoopResult]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,630 INFO L274 CegarLoopResult]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,630 INFO L274 CegarLoopResult]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,630 INFO L274 CegarLoopResult]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,630 INFO L274 CegarLoopResult]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,630 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 02:57:06,630 INFO L274 CegarLoopResult]: For program point L218(lines 218 400) no Hoare annotation was computed. [2020-11-28 02:57:06,630 INFO L274 CegarLoopResult]: For program point L53(lines 53 400) no Hoare annotation was computed. [2020-11-28 02:57:06,630 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-11-28 02:57:06,631 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-11-28 02:57:06,631 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-11-28 02:57:06,631 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-11-28 02:57:06,631 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-11-28 02:57:06,631 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-11-28 02:57:06,631 INFO L274 CegarLoopResult]: For program point L154(lines 154 400) no Hoare annotation was computed. [2020-11-28 02:57:06,633 INFO L270 CegarLoopResult]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse0 (<= ~a16~0 4)) (.cse5 (<= 15 ~a8~0)) (.cse2 (= ~a21~0 1)) (.cse3 (= ~a7~0 1)) (.cse4 (= ~a20~0 1)) (.cse6 (= ~a17~0 1)) (.cse1 (<= ~a17~0 0))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (and .cse2 .cse1 .cse4) (and (<= 6 ~a16~0) .cse3) (and .cse3 .cse0) (and .cse1 .cse5) (and (not .cse3) .cse5 .cse6) (and .cse2 .cse4 .cse6) (and .cse3 .cse4 .cse6) (and (<= 14 ~a8~0) (<= ~a16~0 5) .cse1))) [2020-11-28 02:57:06,633 INFO L274 CegarLoopResult]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,633 INFO L274 CegarLoopResult]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,634 INFO L274 CegarLoopResult]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,634 INFO L274 CegarLoopResult]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,634 INFO L274 CegarLoopResult]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,634 INFO L274 CegarLoopResult]: For program point L188(lines 188 400) no Hoare annotation was computed. [2020-11-28 02:57:06,634 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-11-28 02:57:06,634 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-11-28 02:57:06,634 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-11-28 02:57:06,634 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-11-28 02:57:06,634 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-11-28 02:57:06,634 INFO L274 CegarLoopResult]: For program point L387(lines 387 400) no Hoare annotation was computed. [2020-11-28 02:57:06,635 INFO L274 CegarLoopResult]: For program point L288(lines 288 400) no Hoare annotation was computed. [2020-11-28 02:57:06,635 INFO L274 CegarLoopResult]: For program point L255(lines 255 400) no Hoare annotation was computed. [2020-11-28 02:57:06,635 INFO L274 CegarLoopResult]: For program point L90(lines 90 400) no Hoare annotation was computed. [2020-11-28 02:57:06,635 INFO L274 CegarLoopResult]: For program point L355(lines 355 400) no Hoare annotation was computed. [2020-11-28 02:57:06,635 INFO L274 CegarLoopResult]: For program point L322(lines 322 400) no Hoare annotation was computed. [2020-11-28 02:57:06,635 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 02:57:06,635 INFO L274 CegarLoopResult]: For program point L124(lines 124 400) no Hoare annotation was computed. [2020-11-28 02:57:06,635 INFO L277 CegarLoopResult]: At program point L587(lines 587 604) the Hoare annotation is: true [2020-11-28 02:57:06,635 INFO L274 CegarLoopResult]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,636 INFO L274 CegarLoopResult]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,636 INFO L274 CegarLoopResult]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,636 INFO L274 CegarLoopResult]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,636 INFO L274 CegarLoopResult]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,636 INFO L274 CegarLoopResult]: For program point L224(lines 224 400) no Hoare annotation was computed. [2020-11-28 02:57:06,636 INFO L274 CegarLoopResult]: For program point L158(lines 158 400) no Hoare annotation was computed. [2020-11-28 02:57:06,636 INFO L274 CegarLoopResult]: For program point L59(lines 59 400) no Hoare annotation was computed. [2020-11-28 02:57:06,636 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-11-28 02:57:06,636 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-11-28 02:57:06,636 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-11-28 02:57:06,637 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-11-28 02:57:06,637 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-11-28 02:57:06,637 INFO L274 CegarLoopResult]: For program point L94(lines 94 400) no Hoare annotation was computed. [2020-11-28 02:57:06,637 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 02:57:06,637 INFO L274 CegarLoopResult]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,637 INFO L274 CegarLoopResult]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,637 INFO L274 CegarLoopResult]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,637 INFO L274 CegarLoopResult]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,637 INFO L274 CegarLoopResult]: For program point L392(lines 392 400) no Hoare annotation was computed. [2020-11-28 02:57:06,638 INFO L274 CegarLoopResult]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,638 INFO L274 CegarLoopResult]: For program point L326(lines 326 400) no Hoare annotation was computed. [2020-11-28 02:57:06,638 INFO L274 CegarLoopResult]: For program point L260(lines 260 400) no Hoare annotation was computed. [2020-11-28 02:57:06,638 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-11-28 02:57:06,638 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-11-28 02:57:06,638 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-11-28 02:57:06,638 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-11-28 02:57:06,638 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-11-28 02:57:06,638 INFO L274 CegarLoopResult]: For program point L228(lines 228 400) no Hoare annotation was computed. [2020-11-28 02:57:06,638 INFO L274 CegarLoopResult]: For program point L162(lines 162 400) no Hoare annotation was computed. [2020-11-28 02:57:06,639 INFO L274 CegarLoopResult]: For program point L129(lines 129 400) no Hoare annotation was computed. [2020-11-28 02:57:06,639 INFO L274 CegarLoopResult]: For program point L328(lines 328 400) no Hoare annotation was computed. [2020-11-28 02:57:06,639 INFO L274 CegarLoopResult]: For program point L196(lines 196 400) no Hoare annotation was computed. [2020-11-28 02:57:06,639 INFO L274 CegarLoopResult]: For program point L64(lines 64 400) no Hoare annotation was computed. [2020-11-28 02:57:06,639 INFO L274 CegarLoopResult]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,639 INFO L270 CegarLoopResult]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse0 (<= ~a16~0 4)) (.cse5 (<= 15 ~a8~0)) (.cse2 (= ~a21~0 1)) (.cse3 (= ~a7~0 1)) (.cse4 (= ~a20~0 1)) (.cse6 (= ~a17~0 1)) (.cse1 (<= ~a17~0 0))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (and .cse2 .cse1 .cse4) (and (<= 6 ~a16~0) .cse3) (and .cse3 .cse0) (and .cse1 .cse5) (and (not .cse3) .cse5 .cse6) (and .cse2 .cse4 .cse6) (and .cse3 .cse4 .cse6) (and (<= 14 ~a8~0) (<= ~a16~0 5) .cse1))) [2020-11-28 02:57:06,639 INFO L274 CegarLoopResult]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,639 INFO L274 CegarLoopResult]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,640 INFO L274 CegarLoopResult]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,640 INFO L274 CegarLoopResult]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,640 INFO L274 CegarLoopResult]: For program point L296(lines 296 400) no Hoare annotation was computed. [2020-11-28 02:57:06,640 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 02:57:06,640 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 02:57:06,640 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-11-28 02:57:06,640 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-11-28 02:57:06,640 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-11-28 02:57:06,640 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-11-28 02:57:06,641 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-11-28 02:57:06,641 INFO L274 CegarLoopResult]: For program point L363(lines 363 400) no Hoare annotation was computed. [2020-11-28 02:57:06,641 INFO L274 CegarLoopResult]: For program point L199(lines 199 400) no Hoare annotation was computed. [2020-11-28 02:57:06,641 INFO L274 CegarLoopResult]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,641 INFO L274 CegarLoopResult]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,641 INFO L274 CegarLoopResult]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,641 INFO L274 CegarLoopResult]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,641 INFO L274 CegarLoopResult]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:06,641 INFO L274 CegarLoopResult]: For program point L365(lines 365 400) no Hoare annotation was computed. [2020-11-28 02:57:06,642 INFO L274 CegarLoopResult]: For program point L266(lines 266 400) no Hoare annotation was computed. [2020-11-28 02:57:06,642 INFO L274 CegarLoopResult]: For program point L233(lines 233 400) no Hoare annotation was computed. [2020-11-28 02:57:06,642 INFO L274 CegarLoopResult]: For program point L134(lines 134 400) no Hoare annotation was computed. [2020-11-28 02:57:06,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:57:06 BoogieIcfgContainer [2020-11-28 02:57:06,682 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 02:57:06,683 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 02:57:06,683 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 02:57:06,683 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 02:57:06,684 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:54" (3/4) ... [2020-11-28 02:57:06,686 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 02:57:06,719 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-28 02:57:06,721 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 02:57:06,722 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:57:06,723 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:57:06,896 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_50728b31-8aae-4b5d-933e-c1f4f63e369b/bin/uautomizer/witness.graphml [2020-11-28 02:57:06,896 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 02:57:06,897 INFO L168 Benchmark]: Toolchain (without parser) took 15584.71 ms. Allocated memory was 94.4 MB in the beginning and 339.7 MB in the end (delta: 245.4 MB). Free memory was 58.2 MB in the beginning and 219.2 MB in the end (delta: -161.0 MB). Peak memory consumption was 84.2 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:06,897 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 94.4 MB. Free memory was 64.7 MB in the beginning and 64.6 MB in the end (delta: 27.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:57:06,898 INFO L168 Benchmark]: CACSL2BoogieTranslator took 761.85 ms. Allocated memory is still 94.4 MB. Free memory was 58.0 MB in the beginning and 54.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:06,898 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.79 ms. Allocated memory is still 94.4 MB. Free memory was 54.0 MB in the beginning and 48.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:06,899 INFO L168 Benchmark]: Boogie Preprocessor took 123.86 ms. Allocated memory is still 94.4 MB. Free memory was 48.6 MB in the beginning and 43.9 MB in the end (delta: 4.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:06,899 INFO L168 Benchmark]: RCFGBuilder took 1721.58 ms. Allocated memory was 94.4 MB in the beginning and 115.3 MB in the end (delta: 21.0 MB). Free memory was 43.9 MB in the beginning and 46.2 MB in the end (delta: -2.2 MB). Peak memory consumption was 29.9 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:06,899 INFO L168 Benchmark]: TraceAbstraction took 12652.34 ms. Allocated memory was 115.3 MB in the beginning and 339.7 MB in the end (delta: 224.4 MB). Free memory was 46.0 MB in the beginning and 234.9 MB in the end (delta: -188.9 MB). Peak memory consumption was 115.2 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:06,900 INFO L168 Benchmark]: Witness Printer took 213.32 ms. Allocated memory is still 339.7 MB. Free memory was 234.9 MB in the beginning and 219.2 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:06,902 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 94.4 MB. Free memory was 64.7 MB in the beginning and 64.6 MB in the end (delta: 27.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 761.85 ms. Allocated memory is still 94.4 MB. Free memory was 58.0 MB in the beginning and 54.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 104.79 ms. Allocated memory is still 94.4 MB. Free memory was 54.0 MB in the beginning and 48.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 123.86 ms. Allocated memory is still 94.4 MB. Free memory was 48.6 MB in the beginning and 43.9 MB in the end (delta: 4.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1721.58 ms. Allocated memory was 94.4 MB in the beginning and 115.3 MB in the end (delta: 21.0 MB). Free memory was 43.9 MB in the beginning and 46.2 MB in the end (delta: -2.2 MB). Peak memory consumption was 29.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 12652.34 ms. Allocated memory was 115.3 MB in the beginning and 339.7 MB in the end (delta: 224.4 MB). Free memory was 46.0 MB in the beginning and 234.9 MB in the end (delta: -188.9 MB). Peak memory consumption was 115.2 MB. Max. memory is 16.1 GB. * Witness Printer took 213.32 ms. Allocated memory is still 339.7 MB. Free memory was 234.9 MB in the beginning and 219.2 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: (((((((((a16 <= 4 && a17 <= 0) || ((a21 == 1 && a7 == 1) && a20 == 1)) || ((a21 == 1 && a17 <= 0) && a20 == 1)) || (6 <= a16 && a7 == 1)) || (a7 == 1 && a16 <= 4)) || (a17 <= 0 && 15 <= a8)) || ((!(a7 == 1) && 15 <= a8) && a17 == 1)) || ((a21 == 1 && a20 == 1) && a17 == 1)) || ((a7 == 1 && a20 == 1) && a17 == 1)) || ((14 <= a8 && a16 <= 5) && a17 <= 0) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: (((((((((a16 <= 4 && a17 <= 0) || ((a21 == 1 && a7 == 1) && a20 == 1)) || ((a21 == 1 && a17 <= 0) && a20 == 1)) || (6 <= a16 && a7 == 1)) || (a7 == 1 && a16 <= 4)) || (a17 <= 0 && 15 <= a8)) || ((!(a7 == 1) && 15 <= a8) && a17 == 1)) || ((a21 == 1 && a20 == 1) && a17 == 1)) || ((a7 == 1 && a20 == 1) && a17 == 1)) || ((14 <= a8 && a16 <= 5) && a17 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 199 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.9s, OverallIterations: 10, TraceHistogramMax: 6, AutomataDifference: 7.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 931 SDtfs, 1203 SDslu, 57 SDs, 0 SdLazy, 3360 SolverSat, 591 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 741 GetRequests, 720 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1969occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 1572 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 41 NumberOfFragments, 181 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1648 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 252 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 2098 NumberOfCodeBlocks, 2098 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2084 ConstructedInterpolants, 0 QuantifiedInterpolants, 1247839 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1502 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 1304/1411 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...