./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label40.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0fcf0888-194c-4ccd-8446-562f5651b5ca/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0fcf0888-194c-4ccd-8446-562f5651b5ca/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0fcf0888-194c-4ccd-8446-562f5651b5ca/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0fcf0888-194c-4ccd-8446-562f5651b5ca/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label40.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0fcf0888-194c-4ccd-8446-562f5651b5ca/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0fcf0888-194c-4ccd-8446-562f5651b5ca/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cf5fe32b34f3bdb04ccea0560b6f352942ab84d1 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 16:24:55,885 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:24:55,886 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:24:55,894 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:24:55,894 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:24:55,895 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:24:55,896 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:24:55,897 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:24:55,898 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:24:55,899 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:24:55,899 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:24:55,900 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:24:55,900 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:24:55,901 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:24:55,902 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:24:55,903 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:24:55,903 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:24:55,904 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:24:55,905 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:24:55,907 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:24:55,908 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:24:55,909 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:24:55,910 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:24:55,910 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:24:55,912 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:24:55,912 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:24:55,912 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:24:55,913 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:24:55,913 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:24:55,913 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:24:55,913 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:24:55,914 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:24:55,914 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:24:55,915 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:24:55,915 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:24:55,915 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:24:55,916 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:24:55,916 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:24:55,916 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:24:55,917 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:24:55,917 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:24:55,917 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0fcf0888-194c-4ccd-8446-562f5651b5ca/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 16:24:55,926 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:24:55,927 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:24:55,927 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 16:24:55,927 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 16:24:55,928 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 16:24:55,928 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:24:55,928 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:24:55,928 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 16:24:55,928 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:24:55,928 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:24:55,928 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:24:55,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:24:55,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:24:55,929 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:24:55,929 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:24:55,929 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:24:55,929 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:24:55,929 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:24:55,929 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 16:24:55,929 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:24:55,929 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:24:55,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:24:55,930 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:24:55,930 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:24:55,930 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:24:55,930 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 16:24:55,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 16:24:55,930 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:24:55,930 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:24:55,930 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_0fcf0888-194c-4ccd-8446-562f5651b5ca/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(__VERIFIER_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 -> cf5fe32b34f3bdb04ccea0560b6f352942ab84d1 [2019-12-07 16:24:56,031 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:24:56,039 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:24:56,041 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:24:56,042 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:24:56,042 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:24:56,042 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0fcf0888-194c-4ccd-8446-562f5651b5ca/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label40.c [2019-12-07 16:24:56,078 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0fcf0888-194c-4ccd-8446-562f5651b5ca/bin/uautomizer/data/70c057616/2a59d06fe9b141f0a5d15bb9801c5141/FLAG680bab06c [2019-12-07 16:24:56,560 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:24:56,561 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0fcf0888-194c-4ccd-8446-562f5651b5ca/sv-benchmarks/c/eca-rers2012/Problem02_label40.c [2019-12-07 16:24:56,568 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0fcf0888-194c-4ccd-8446-562f5651b5ca/bin/uautomizer/data/70c057616/2a59d06fe9b141f0a5d15bb9801c5141/FLAG680bab06c [2019-12-07 16:24:56,577 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0fcf0888-194c-4ccd-8446-562f5651b5ca/bin/uautomizer/data/70c057616/2a59d06fe9b141f0a5d15bb9801c5141 [2019-12-07 16:24:56,579 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:24:56,580 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:24:56,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:24:56,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:24:56,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:24:56,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:24:56" (1/1) ... [2019-12-07 16:24:56,586 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@374ca533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:24:56, skipping insertion in model container [2019-12-07 16:24:56,586 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:24:56" (1/1) ... [2019-12-07 16:24:56,591 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:24:56,619 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:24:56,857 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:24:56,860 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:24:56,914 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:24:56,925 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:24:56,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:24:56 WrapperNode [2019-12-07 16:24:56,925 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:24:56,926 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:24:56,926 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:24:56,926 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:24:56,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:24:56" (1/1) ... [2019-12-07 16:24:56,943 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:24:56" (1/1) ... [2019-12-07 16:24:56,977 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:24:56,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:24:56,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:24:56,977 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:24:56,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:24:56" (1/1) ... [2019-12-07 16:24:56,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:24:56" (1/1) ... [2019-12-07 16:24:56,987 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:24:56" (1/1) ... [2019-12-07 16:24:56,987 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:24:56" (1/1) ... [2019-12-07 16:24:57,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:24:56" (1/1) ... [2019-12-07 16:24:57,009 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:24:56" (1/1) ... [2019-12-07 16:24:57,013 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:24:56" (1/1) ... [2019-12-07 16:24:57,018 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:24:57,018 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:24:57,018 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:24:57,018 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:24:57,019 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:24:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0fcf0888-194c-4ccd-8446-562f5651b5ca/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 [2019-12-07 16:24:57,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:24:57,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:24:57,675 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:24:57,676 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 16:24:57,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:24:57 BoogieIcfgContainer [2019-12-07 16:24:57,677 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:24:57,678 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 16:24:57,678 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 16:24:57,679 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 16:24:57,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 04:24:56" (1/3) ... [2019-12-07 16:24:57,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e7e8b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:24:57, skipping insertion in model container [2019-12-07 16:24:57,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:24:56" (2/3) ... [2019-12-07 16:24:57,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e7e8b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:24:57, skipping insertion in model container [2019-12-07 16:24:57,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:24:57" (3/3) ... [2019-12-07 16:24:57,682 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label40.c [2019-12-07 16:24:57,688 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 16:24:57,693 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 16:24:57,701 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 16:24:57,718 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 16:24:57,718 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 16:24:57,718 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 16:24:57,718 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:24:57,718 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:24:57,718 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 16:24:57,718 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:24:57,718 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 16:24:57,733 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-12-07 16:24:57,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-12-07 16:24:57,740 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:24:57,741 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:24:57,741 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:24:57,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:24:57,745 INFO L82 PathProgramCache]: Analyzing trace with hash 427661899, now seen corresponding path program 1 times [2019-12-07 16:24:57,751 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:24:57,751 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640509742] [2019-12-07 16:24:57,752 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:24:57,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:24:57,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:24:57,994 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640509742] [2019-12-07 16:24:57,995 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:24:57,995 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 16:24:57,996 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253008831] [2019-12-07 16:24:58,001 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 16:24:58,001 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:24:58,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:24:58,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:24:58,012 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-12-07 16:24:58,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:24:58,805 INFO L93 Difference]: Finished difference Result 775 states and 1353 transitions. [2019-12-07 16:24:58,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 16:24:58,806 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 89 [2019-12-07 16:24:58,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:24:58,820 INFO L225 Difference]: With dead ends: 775 [2019-12-07 16:24:58,820 INFO L226 Difference]: Without dead ends: 460 [2019-12-07 16:24:58,825 INFO L630 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 [2019-12-07 16:24:58,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2019-12-07 16:24:58,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 308. [2019-12-07 16:24:58,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2019-12-07 16:24:58,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 451 transitions. [2019-12-07 16:24:58,870 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 451 transitions. Word has length 89 [2019-12-07 16:24:58,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:24:58,871 INFO L462 AbstractCegarLoop]: Abstraction has 308 states and 451 transitions. [2019-12-07 16:24:58,871 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 16:24:58,871 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 451 transitions. [2019-12-07 16:24:58,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-12-07 16:24:58,875 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:24:58,875 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:24:58,876 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:24:58,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:24:58,876 INFO L82 PathProgramCache]: Analyzing trace with hash 1584478528, now seen corresponding path program 1 times [2019-12-07 16:24:58,876 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:24:58,877 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47508997] [2019-12-07 16:24:58,877 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:24:58,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:24:58,995 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:24:58,995 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47508997] [2019-12-07 16:24:58,995 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:24:58,996 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 16:24:58,996 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504046291] [2019-12-07 16:24:58,997 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 16:24:58,998 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:24:58,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:24:58,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:24:58,998 INFO L87 Difference]: Start difference. First operand 308 states and 451 transitions. Second operand 4 states. [2019-12-07 16:24:59,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:24:59,504 INFO L93 Difference]: Finished difference Result 1180 states and 1741 transitions. [2019-12-07 16:24:59,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 16:24:59,504 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2019-12-07 16:24:59,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:24:59,508 INFO L225 Difference]: With dead ends: 1180 [2019-12-07 16:24:59,508 INFO L226 Difference]: Without dead ends: 874 [2019-12-07 16:24:59,510 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:24:59,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2019-12-07 16:24:59,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 870. [2019-12-07 16:24:59,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 870 states. [2019-12-07 16:24:59,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1183 transitions. [2019-12-07 16:24:59,532 INFO L78 Accepts]: Start accepts. Automaton has 870 states and 1183 transitions. Word has length 93 [2019-12-07 16:24:59,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:24:59,532 INFO L462 AbstractCegarLoop]: Abstraction has 870 states and 1183 transitions. [2019-12-07 16:24:59,532 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 16:24:59,532 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1183 transitions. [2019-12-07 16:24:59,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-12-07 16:24:59,535 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:24:59,535 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:24:59,535 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:24:59,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:24:59,536 INFO L82 PathProgramCache]: Analyzing trace with hash 606564730, now seen corresponding path program 1 times [2019-12-07 16:24:59,536 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:24:59,536 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756696021] [2019-12-07 16:24:59,536 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:24:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:24:59,568 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 16:24:59,568 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756696021] [2019-12-07 16:24:59,568 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:24:59,568 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 16:24:59,568 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386958346] [2019-12-07 16:24:59,569 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 16:24:59,569 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:24:59,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:24:59,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:24:59,570 INFO L87 Difference]: Start difference. First operand 870 states and 1183 transitions. Second operand 4 states. [2019-12-07 16:24:59,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:24:59,928 INFO L93 Difference]: Finished difference Result 2146 states and 2939 transitions. [2019-12-07 16:24:59,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 16:24:59,929 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2019-12-07 16:24:59,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:24:59,934 INFO L225 Difference]: With dead ends: 2146 [2019-12-07 16:24:59,934 INFO L226 Difference]: Without dead ends: 1278 [2019-12-07 16:24:59,935 INFO L630 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 [2019-12-07 16:24:59,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1278 states. [2019-12-07 16:24:59,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1278 to 578. [2019-12-07 16:24:59,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 578 states. [2019-12-07 16:24:59,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 776 transitions. [2019-12-07 16:24:59,952 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 776 transitions. Word has length 99 [2019-12-07 16:24:59,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:24:59,952 INFO L462 AbstractCegarLoop]: Abstraction has 578 states and 776 transitions. [2019-12-07 16:24:59,952 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 16:24:59,952 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 776 transitions. [2019-12-07 16:24:59,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-12-07 16:24:59,953 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:24:59,954 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:24:59,954 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:24:59,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:24:59,954 INFO L82 PathProgramCache]: Analyzing trace with hash 450798671, now seen corresponding path program 1 times [2019-12-07 16:24:59,954 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:24:59,954 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653844595] [2019-12-07 16:24:59,955 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:24:59,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:24:59,981 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:24:59,981 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653844595] [2019-12-07 16:24:59,982 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:24:59,982 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 16:24:59,982 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375646416] [2019-12-07 16:24:59,982 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 16:24:59,982 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:24:59,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 16:24:59,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:24:59,983 INFO L87 Difference]: Start difference. First operand 578 states and 776 transitions. Second operand 3 states. [2019-12-07 16:25:00,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:25:00,290 INFO L93 Difference]: Finished difference Result 1714 states and 2306 transitions. [2019-12-07 16:25:00,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:25:00,290 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2019-12-07 16:25:00,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:25:00,295 INFO L225 Difference]: With dead ends: 1714 [2019-12-07 16:25:00,295 INFO L226 Difference]: Without dead ends: 1138 [2019-12-07 16:25:00,296 INFO L630 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 [2019-12-07 16:25:00,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1138 states. [2019-12-07 16:25:00,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1138 to 1138. [2019-12-07 16:25:00,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1138 states. [2019-12-07 16:25:00,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 1138 states and 1447 transitions. [2019-12-07 16:25:00,315 INFO L78 Accepts]: Start accepts. Automaton has 1138 states and 1447 transitions. Word has length 99 [2019-12-07 16:25:00,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:25:00,315 INFO L462 AbstractCegarLoop]: Abstraction has 1138 states and 1447 transitions. [2019-12-07 16:25:00,315 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 16:25:00,315 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states and 1447 transitions. [2019-12-07 16:25:00,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-12-07 16:25:00,317 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:25:00,317 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:25:00,317 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:25:00,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:25:00,317 INFO L82 PathProgramCache]: Analyzing trace with hash 1355718265, now seen corresponding path program 1 times [2019-12-07 16:25:00,317 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:25:00,318 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291328467] [2019-12-07 16:25:00,318 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:25:00,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:25:00,353 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:25:00,354 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291328467] [2019-12-07 16:25:00,354 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:25:00,354 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 16:25:00,354 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984306715] [2019-12-07 16:25:00,354 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 16:25:00,355 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:25:00,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:25:00,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:25:00,355 INFO L87 Difference]: Start difference. First operand 1138 states and 1447 transitions. Second operand 4 states. [2019-12-07 16:25:00,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:25:00,855 INFO L93 Difference]: Finished difference Result 2415 states and 3064 transitions. [2019-12-07 16:25:00,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 16:25:00,856 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 113 [2019-12-07 16:25:00,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:25:00,860 INFO L225 Difference]: With dead ends: 2415 [2019-12-07 16:25:00,861 INFO L226 Difference]: Without dead ends: 1279 [2019-12-07 16:25:00,862 INFO L630 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 [2019-12-07 16:25:00,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2019-12-07 16:25:00,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 1279. [2019-12-07 16:25:00,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1279 states. [2019-12-07 16:25:00,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 1279 states and 1438 transitions. [2019-12-07 16:25:00,881 INFO L78 Accepts]: Start accepts. Automaton has 1279 states and 1438 transitions. Word has length 113 [2019-12-07 16:25:00,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:25:00,882 INFO L462 AbstractCegarLoop]: Abstraction has 1279 states and 1438 transitions. [2019-12-07 16:25:00,882 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 16:25:00,882 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 1438 transitions. [2019-12-07 16:25:00,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-12-07 16:25:00,883 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:25:00,883 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:25:00,883 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:25:00,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:25:00,884 INFO L82 PathProgramCache]: Analyzing trace with hash -1019939816, now seen corresponding path program 1 times [2019-12-07 16:25:00,884 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:25:00,884 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115284842] [2019-12-07 16:25:00,884 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:25:00,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:25:00,976 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 39 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:25:00,976 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115284842] [2019-12-07 16:25:00,976 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [577937546] [2019-12-07 16:25:00,976 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0fcf0888-194c-4ccd-8446-562f5651b5ca/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 [2019-12-07 16:25:01,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:25:01,028 INFO L264 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 16:25:01,037 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:25:01,057 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:25:01,057 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 16:25:01,057 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-12-07 16:25:01,057 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502015301] [2019-12-07 16:25:01,058 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 16:25:01,058 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:25:01,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 16:25:01,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-12-07 16:25:01,058 INFO L87 Difference]: Start difference. First operand 1279 states and 1438 transitions. Second operand 3 states. [2019-12-07 16:25:01,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:25:01,355 INFO L93 Difference]: Finished difference Result 3399 states and 3829 transitions. [2019-12-07 16:25:01,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:25:01,355 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2019-12-07 16:25:01,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:25:01,362 INFO L225 Difference]: With dead ends: 3399 [2019-12-07 16:25:01,362 INFO L226 Difference]: Without dead ends: 1840 [2019-12-07 16:25:01,364 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-12-07 16:25:01,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1840 states. [2019-12-07 16:25:01,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1840 to 1836. [2019-12-07 16:25:01,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1836 states. [2019-12-07 16:25:01,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1836 states to 1836 states and 2027 transitions. [2019-12-07 16:25:01,388 INFO L78 Accepts]: Start accepts. Automaton has 1836 states and 2027 transitions. Word has length 122 [2019-12-07 16:25:01,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:25:01,389 INFO L462 AbstractCegarLoop]: Abstraction has 1836 states and 2027 transitions. [2019-12-07 16:25:01,389 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 16:25:01,389 INFO L276 IsEmpty]: Start isEmpty. Operand 1836 states and 2027 transitions. [2019-12-07 16:25:01,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-12-07 16:25:01,392 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:25:01,392 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:25:01,593 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 16:25:01,593 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:25:01,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:25:01,593 INFO L82 PathProgramCache]: Analyzing trace with hash 911939789, now seen corresponding path program 1 times [2019-12-07 16:25:01,593 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:25:01,593 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292475586] [2019-12-07 16:25:01,594 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:25:01,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:25:01,637 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-07 16:25:01,637 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292475586] [2019-12-07 16:25:01,638 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:25:01,638 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 16:25:01,638 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752348609] [2019-12-07 16:25:01,638 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 16:25:01,638 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:25:01,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 16:25:01,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:25:01,639 INFO L87 Difference]: Start difference. First operand 1836 states and 2027 transitions. Second operand 3 states. [2019-12-07 16:25:01,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:25:01,949 INFO L93 Difference]: Finished difference Result 4230 states and 4697 transitions. [2019-12-07 16:25:01,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:25:01,950 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2019-12-07 16:25:01,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:25:01,957 INFO L225 Difference]: With dead ends: 4230 [2019-12-07 16:25:01,957 INFO L226 Difference]: Without dead ends: 1694 [2019-12-07 16:25:01,960 INFO L630 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 [2019-12-07 16:25:01,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2019-12-07 16:25:01,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 1694. [2019-12-07 16:25:01,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1694 states. [2019-12-07 16:25:01,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1694 states to 1694 states and 1838 transitions. [2019-12-07 16:25:01,990 INFO L78 Accepts]: Start accepts. Automaton has 1694 states and 1838 transitions. Word has length 126 [2019-12-07 16:25:01,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:25:01,990 INFO L462 AbstractCegarLoop]: Abstraction has 1694 states and 1838 transitions. [2019-12-07 16:25:01,990 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 16:25:01,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1694 states and 1838 transitions. [2019-12-07 16:25:01,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-12-07 16:25:01,993 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:25:01,993 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:25:01,993 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:25:01,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:25:01,994 INFO L82 PathProgramCache]: Analyzing trace with hash -863331546, now seen corresponding path program 1 times [2019-12-07 16:25:01,994 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:25:01,994 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717024601] [2019-12-07 16:25:01,994 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:25:02,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:25:02,027 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-07 16:25:02,027 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717024601] [2019-12-07 16:25:02,027 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:25:02,027 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 16:25:02,028 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733704947] [2019-12-07 16:25:02,028 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 16:25:02,028 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:25:02,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 16:25:02,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:25:02,028 INFO L87 Difference]: Start difference. First operand 1694 states and 1838 transitions. Second operand 3 states. [2019-12-07 16:25:02,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:25:02,265 INFO L93 Difference]: Finished difference Result 3249 states and 3533 transitions. [2019-12-07 16:25:02,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:25:02,266 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2019-12-07 16:25:02,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:25:02,271 INFO L225 Difference]: With dead ends: 3249 [2019-12-07 16:25:02,271 INFO L226 Difference]: Without dead ends: 1697 [2019-12-07 16:25:02,272 INFO L630 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 [2019-12-07 16:25:02,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1697 states. [2019-12-07 16:25:02,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1697 to 1694. [2019-12-07 16:25:02,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1694 states. [2019-12-07 16:25:02,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1694 states to 1694 states and 1823 transitions. [2019-12-07 16:25:02,292 INFO L78 Accepts]: Start accepts. Automaton has 1694 states and 1823 transitions. Word has length 136 [2019-12-07 16:25:02,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:25:02,292 INFO L462 AbstractCegarLoop]: Abstraction has 1694 states and 1823 transitions. [2019-12-07 16:25:02,292 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 16:25:02,292 INFO L276 IsEmpty]: Start isEmpty. Operand 1694 states and 1823 transitions. [2019-12-07 16:25:02,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-12-07 16:25:02,294 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:25:02,295 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:25:02,295 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:25:02,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:25:02,295 INFO L82 PathProgramCache]: Analyzing trace with hash 710747632, now seen corresponding path program 1 times [2019-12-07 16:25:02,295 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:25:02,295 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139009241] [2019-12-07 16:25:02,295 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:25:02,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:25:02,381 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 63 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-07 16:25:02,381 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139009241] [2019-12-07 16:25:02,381 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [876201952] [2019-12-07 16:25:02,381 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0fcf0888-194c-4ccd-8446-562f5651b5ca/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 [2019-12-07 16:25:02,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:25:02,433 INFO L264 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 16:25:02,437 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:25:02,475 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-07 16:25:02,475 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 16:25:02,475 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-12-07 16:25:02,475 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878054075] [2019-12-07 16:25:02,476 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 16:25:02,476 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:25:02,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 16:25:02,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-12-07 16:25:02,476 INFO L87 Difference]: Start difference. First operand 1694 states and 1823 transitions. Second operand 3 states. [2019-12-07 16:25:02,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:25:02,762 INFO L93 Difference]: Finished difference Result 3244 states and 3498 transitions. [2019-12-07 16:25:02,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:25:02,763 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2019-12-07 16:25:02,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:25:02,763 INFO L225 Difference]: With dead ends: 3244 [2019-12-07 16:25:02,763 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 16:25:02,766 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-12-07 16:25:02,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 16:25:02,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 16:25:02,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 16:25:02,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 16:25:02,767 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 140 [2019-12-07 16:25:02,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:25:02,767 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 16:25:02,767 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 16:25:02,767 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 16:25:02,767 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 16:25:02,968 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 16:25:02,970 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 16:25:03,133 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 31 [2019-12-07 16:25:03,263 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 31 [2019-12-07 16:25:03,266 INFO L246 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,266 INFO L246 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,266 INFO L246 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,266 INFO L246 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-12-07 16:25:03,266 INFO L246 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2019-12-07 16:25:03,266 INFO L246 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2019-12-07 16:25:03,266 INFO L246 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2019-12-07 16:25:03,266 INFO L246 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-12-07 16:25:03,266 INFO L246 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-12-07 16:25:03,267 INFO L246 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-12-07 16:25:03,267 INFO L246 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,267 INFO L246 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,267 INFO L246 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,267 INFO L246 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-12-07 16:25:03,267 INFO L246 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2019-12-07 16:25:03,267 INFO L246 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2019-12-07 16:25:03,267 INFO L246 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2019-12-07 16:25:03,267 INFO L246 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-12-07 16:25:03,267 INFO L246 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-12-07 16:25:03,267 INFO L246 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-12-07 16:25:03,268 INFO L246 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,268 INFO L246 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,268 INFO L246 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,268 INFO L246 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-12-07 16:25:03,268 INFO L246 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2019-12-07 16:25:03,268 INFO L246 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2019-12-07 16:25:03,268 INFO L246 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2019-12-07 16:25:03,268 INFO L246 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-12-07 16:25:03,268 INFO L246 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,268 INFO L246 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,268 INFO L246 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,268 INFO L246 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-12-07 16:25:03,269 INFO L246 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-12-07 16:25:03,269 INFO L246 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2019-12-07 16:25:03,269 INFO L246 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2019-12-07 16:25:03,269 INFO L246 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2019-12-07 16:25:03,269 INFO L246 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-12-07 16:25:03,269 INFO L246 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-12-07 16:25:03,269 INFO L246 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-12-07 16:25:03,269 INFO L246 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,269 INFO L246 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,269 INFO L246 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,269 INFO L246 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-12-07 16:25:03,269 INFO L246 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2019-12-07 16:25:03,269 INFO L246 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2019-12-07 16:25:03,270 INFO L246 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2019-12-07 16:25:03,270 INFO L246 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-12-07 16:25:03,270 INFO L246 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-12-07 16:25:03,270 INFO L246 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-12-07 16:25:03,270 INFO L246 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-12-07 16:25:03,270 INFO L246 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,270 INFO L246 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,270 INFO L246 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,270 INFO L246 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-12-07 16:25:03,270 INFO L246 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-12-07 16:25:03,270 INFO L246 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-12-07 16:25:03,270 INFO L246 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-12-07 16:25:03,271 INFO L246 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2019-12-07 16:25:03,271 INFO L246 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2019-12-07 16:25:03,271 INFO L246 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2019-12-07 16:25:03,271 INFO L246 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-12-07 16:25:03,271 INFO L246 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-12-07 16:25:03,271 INFO L246 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,271 INFO L246 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,271 INFO L246 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,271 INFO L246 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-12-07 16:25:03,271 INFO L246 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2019-12-07 16:25:03,271 INFO L246 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2019-12-07 16:25:03,271 INFO L246 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2019-12-07 16:25:03,272 INFO L246 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-12-07 16:25:03,272 INFO L246 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-12-07 16:25:03,272 INFO L246 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,272 INFO L246 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,272 INFO L246 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,272 INFO L246 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-12-07 16:25:03,272 INFO L246 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-12-07 16:25:03,272 INFO L246 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2019-12-07 16:25:03,272 INFO L246 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2019-12-07 16:25:03,272 INFO L246 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2019-12-07 16:25:03,272 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 16:25:03,272 INFO L246 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-12-07 16:25:03,273 INFO L246 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-12-07 16:25:03,273 INFO L246 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-12-07 16:25:03,273 INFO L246 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,273 INFO L246 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,273 INFO L246 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,273 INFO L246 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2019-12-07 16:25:03,273 INFO L246 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2019-12-07 16:25:03,273 INFO L246 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2019-12-07 16:25:03,273 INFO L246 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-12-07 16:25:03,273 INFO L246 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-12-07 16:25:03,273 INFO L246 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,273 INFO L246 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,274 INFO L246 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,274 INFO L246 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-12-07 16:25:03,274 INFO L246 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2019-12-07 16:25:03,274 INFO L246 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2019-12-07 16:25:03,274 INFO L246 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2019-12-07 16:25:03,274 INFO L246 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-12-07 16:25:03,274 INFO L246 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-12-07 16:25:03,274 INFO L246 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-12-07 16:25:03,274 INFO L246 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-12-07 16:25:03,274 INFO L246 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-12-07 16:25:03,274 INFO L246 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-12-07 16:25:03,274 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 16:25:03,275 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2019-12-07 16:25:03,275 INFO L246 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-12-07 16:25:03,275 INFO L246 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,275 INFO L246 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,275 INFO L246 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-12-07 16:25:03,275 INFO L246 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2019-12-07 16:25:03,275 INFO L246 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2019-12-07 16:25:03,275 INFO L246 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2019-12-07 16:25:03,275 INFO L246 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-12-07 16:25:03,275 INFO L246 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-12-07 16:25:03,275 INFO L246 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-12-07 16:25:03,275 INFO L246 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-12-07 16:25:03,276 INFO L246 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-12-07 16:25:03,276 INFO L242 CegarLoopResult]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse2 (= ~a28~0 7)) (.cse7 (= ~a11~0 1))) (let ((.cse5 (= ~a25~0 1)) (.cse0 (= ~a17~0 8)) (.cse3 (not .cse7)) (.cse4 (<= ~a19~0 0)) (.cse1 (= ~a19~0 1)) (.cse8 (not .cse2)) (.cse6 (<= ~a17~0 8)) (.cse9 (not (= ~a28~0 11)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (not .cse5) .cse2 .cse6 .cse7) (and .cse1 .cse6 .cse5) (and .cse4 .cse0 .cse2 .cse3) (and .cse4 .cse8 .cse6 .cse9) (and .cse8 .cse1 .cse6 .cse9) (and .cse8 .cse6 .cse7 .cse9)))) [2019-12-07 16:25:03,276 INFO L246 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,276 INFO L246 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,276 INFO L246 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-12-07 16:25:03,276 INFO L246 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2019-12-07 16:25:03,276 INFO L246 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2019-12-07 16:25:03,276 INFO L246 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-12-07 16:25:03,277 INFO L246 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-12-07 16:25:03,277 INFO L246 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-12-07 16:25:03,277 INFO L249 CegarLoopResult]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-12-07 16:25:03,277 INFO L246 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,277 INFO L246 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,277 INFO L246 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-12-07 16:25:03,277 INFO L246 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2019-12-07 16:25:03,277 INFO L246 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2019-12-07 16:25:03,277 INFO L246 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-12-07 16:25:03,277 INFO L246 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-12-07 16:25:03,277 INFO L246 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-12-07 16:25:03,277 INFO L246 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-12-07 16:25:03,278 INFO L246 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-12-07 16:25:03,278 INFO L246 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-12-07 16:25:03,278 INFO L246 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,278 INFO L246 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,278 INFO L246 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-12-07 16:25:03,278 INFO L246 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-12-07 16:25:03,278 INFO L246 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2019-12-07 16:25:03,278 INFO L246 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2019-12-07 16:25:03,278 INFO L246 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-12-07 16:25:03,278 INFO L246 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-12-07 16:25:03,278 INFO L242 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse2 (= ~a28~0 7)) (.cse7 (= ~a11~0 1))) (let ((.cse5 (= ~a25~0 1)) (.cse0 (= ~a17~0 8)) (.cse3 (not .cse7)) (.cse4 (<= ~a19~0 0)) (.cse1 (= ~a19~0 1)) (.cse8 (not .cse2)) (.cse6 (<= ~a17~0 8)) (.cse9 (not (= ~a28~0 11)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (not .cse5) .cse2 .cse6 .cse7) (and .cse1 .cse6 .cse5) (and .cse4 .cse0 .cse2 .cse3) (and .cse4 .cse8 .cse6 .cse9) (and .cse8 .cse1 .cse6 .cse9) (and .cse8 .cse6 .cse7 .cse9)))) [2019-12-07 16:25:03,279 INFO L246 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,279 INFO L246 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,279 INFO L246 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-12-07 16:25:03,279 INFO L246 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2019-12-07 16:25:03,279 INFO L246 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2019-12-07 16:25:03,279 INFO L246 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-12-07 16:25:03,279 INFO L246 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-12-07 16:25:03,279 INFO L246 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,279 INFO L246 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,279 INFO L246 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2019-12-07 16:25:03,279 INFO L246 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2019-12-07 16:25:03,279 INFO L246 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-12-07 16:25:03,280 INFO L246 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-12-07 16:25:03,280 INFO L246 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-12-07 16:25:03,280 INFO L246 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2019-12-07 16:25:03,280 INFO L246 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-12-07 16:25:03,280 INFO L246 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-12-07 16:25:03,280 INFO L246 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-12-07 16:25:03,280 INFO L246 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,280 INFO L246 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,280 INFO L246 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-12-07 16:25:03,280 INFO L246 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,280 INFO L246 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2019-12-07 16:25:03,280 INFO L246 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2019-12-07 16:25:03,280 INFO L246 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2019-12-07 16:25:03,281 INFO L246 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-12-07 16:25:03,281 INFO L246 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-12-07 16:25:03,281 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 16:25:03,281 INFO L246 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-12-07 16:25:03,281 INFO L246 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,281 INFO L246 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,281 INFO L246 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,281 INFO L246 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2019-12-07 16:25:03,281 INFO L246 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2019-12-07 16:25:03,281 INFO L246 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2019-12-07 16:25:03,281 INFO L246 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-12-07 16:25:03,281 INFO L246 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-12-07 16:25:03,281 INFO L246 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,281 INFO L246 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,282 INFO L246 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,282 INFO L246 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-12-07 16:25:03,282 INFO L246 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2019-12-07 16:25:03,282 INFO L246 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2019-12-07 16:25:03,282 INFO L246 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2019-12-07 16:25:03,282 INFO L246 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-12-07 16:25:03,282 INFO L246 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-12-07 16:25:03,282 INFO L246 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,282 INFO L246 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,282 INFO L246 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,282 INFO L246 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-12-07 16:25:03,282 INFO L246 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-12-07 16:25:03,282 INFO L246 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-12-07 16:25:03,283 INFO L246 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2019-12-07 16:25:03,283 INFO L246 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2019-12-07 16:25:03,283 INFO L246 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2019-12-07 16:25:03,283 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 16:25:03,283 INFO L246 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-12-07 16:25:03,283 INFO L246 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-12-07 16:25:03,283 INFO L246 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,283 INFO L246 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,283 INFO L246 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,283 INFO L246 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-12-07 16:25:03,283 INFO L246 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2019-12-07 16:25:03,283 INFO L246 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2019-12-07 16:25:03,283 INFO L246 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2019-12-07 16:25:03,284 INFO L246 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-12-07 16:25:03,284 INFO L246 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,284 INFO L246 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,284 INFO L246 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 16:25:03,284 INFO L246 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-12-07 16:25:03,284 INFO L246 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-12-07 16:25:03,284 INFO L246 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-12-07 16:25:03,284 INFO L246 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2019-12-07 16:25:03,284 INFO L246 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2019-12-07 16:25:03,284 INFO L246 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2019-12-07 16:25:03,284 INFO L246 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-12-07 16:25:03,284 INFO L246 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-12-07 16:25:03,284 INFO L246 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-12-07 16:25:03,284 INFO L246 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-12-07 16:25:03,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 04:25:03 BoogieIcfgContainer [2019-12-07 16:25:03,303 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 16:25:03,303 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 16:25:03,304 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 16:25:03,304 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 16:25:03,304 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:24:57" (3/4) ... [2019-12-07 16:25:03,307 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 16:25:03,325 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-07 16:25:03,326 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 16:25:03,408 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0fcf0888-194c-4ccd-8446-562f5651b5ca/bin/uautomizer/witness.graphml [2019-12-07 16:25:03,408 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 16:25:03,409 INFO L168 Benchmark]: Toolchain (without parser) took 6829.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 212.9 MB). Free memory was 934.4 MB in the beginning and 1.2 GB in the end (delta: -229.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:25:03,409 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:25:03,410 INFO L168 Benchmark]: CACSL2BoogieTranslator took 344.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.0 MB). Free memory was 934.4 MB in the beginning and 1.1 GB in the end (delta: -125.8 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-12-07 16:25:03,410 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 16:25:03,410 INFO L168 Benchmark]: Boogie Preprocessor took 41.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 16:25:03,410 INFO L168 Benchmark]: RCFGBuilder took 658.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 938.7 MB in the end (delta: 110.8 MB). Peak memory consumption was 110.8 MB. Max. memory is 11.5 GB. [2019-12-07 16:25:03,411 INFO L168 Benchmark]: TraceAbstraction took 5625.65 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 938.7 MB in the beginning and 1.2 GB in the end (delta: -252.1 MB). Peak memory consumption was 274.4 MB. Max. memory is 11.5 GB. [2019-12-07 16:25:03,411 INFO L168 Benchmark]: Witness Printer took 104.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2019-12-07 16:25:03,412 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 344.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.0 MB). Free memory was 934.4 MB in the beginning and 1.1 GB in the end (delta: -125.8 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 658.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 938.7 MB in the end (delta: 110.8 MB). Peak memory consumption was 110.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5625.65 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 938.7 MB in the beginning and 1.2 GB in the end (delta: -252.1 MB). Peak memory consumption was 274.4 MB. Max. memory is 11.5 GB. * Witness Printer took 104.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 439]: 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: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((a17 == 8 && a19 == 1) && a28 == 7) && !(a11 == 1)) || ((((a19 <= 0 && !(a25 == 1)) && a28 == 7) && a17 <= 8) && a11 == 1)) || ((a19 == 1 && a17 <= 8) && a25 == 1)) || (((a19 <= 0 && a17 == 8) && a28 == 7) && !(a11 == 1))) || (((a19 <= 0 && !(a28 == 7)) && a17 <= 8) && !(a28 == 11))) || (((!(a28 == 7) && a19 == 1) && a17 <= 8) && !(a28 == 11))) || (((!(a28 == 7) && a17 <= 8) && a11 == 1) && !(a28 == 11)) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((((((a17 == 8 && a19 == 1) && a28 == 7) && !(a11 == 1)) || ((((a19 <= 0 && !(a25 == 1)) && a28 == 7) && a17 <= 8) && a11 == 1)) || ((a19 == 1 && a17 <= 8) && a25 == 1)) || (((a19 <= 0 && a17 == 8) && a28 == 7) && !(a11 == 1))) || (((a19 <= 0 && !(a28 == 7)) && a17 <= 8) && !(a28 == 11))) || (((!(a28 == 7) && a19 == 1) && a17 <= 8) && !(a28 == 11))) || (((!(a28 == 7) && a17 <= 8) && a11 == 1) && !(a28 == 11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 5.2s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 1117 SDtfs, 1809 SDslu, 167 SDs, 0 SdLazy, 4138 SolverSat, 760 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 294 GetRequests, 270 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1836occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 863 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 46 NumberOfFragments, 203 HoareAnnotationTreeSize, 3 FomulaSimplifications, 834 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 416 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 1279 NumberOfCodeBlocks, 1279 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1268 ConstructedInterpolants, 0 QuantifiedInterpolants, 386099 SizeOfPredicates, 1 NumberOfNonLiveVariables, 505 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 401/405 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...