./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label14.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ad5a3be6-9ee4-4425-b526-dc5ed1edc59b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ad5a3be6-9ee4-4425-b526-dc5ed1edc59b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ad5a3be6-9ee4-4425-b526-dc5ed1edc59b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ad5a3be6-9ee4-4425-b526-dc5ed1edc59b/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label14.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ad5a3be6-9ee4-4425-b526-dc5ed1edc59b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ad5a3be6-9ee4-4425-b526-dc5ed1edc59b/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 bf623cbfa27d5f25c20ae418fc6508fd949965cd ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 08:25:01,700 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 08:25:01,702 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 08:25:01,715 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 08:25:01,716 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 08:25:01,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 08:25:01,719 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 08:25:01,721 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 08:25:01,724 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 08:25:01,725 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 08:25:01,726 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 08:25:01,727 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 08:25:01,728 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 08:25:01,729 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 08:25:01,730 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 08:25:01,732 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 08:25:01,740 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 08:25:01,741 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 08:25:01,743 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 08:25:01,745 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 08:25:01,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 08:25:01,749 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 08:25:01,750 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 08:25:01,751 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 08:25:01,754 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 08:25:01,762 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 08:25:01,762 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 08:25:01,765 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 08:25:01,765 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 08:25:01,768 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 08:25:01,768 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 08:25:01,769 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 08:25:01,770 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 08:25:01,771 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 08:25:01,774 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 08:25:01,774 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 08:25:01,775 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 08:25:01,775 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 08:25:01,776 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 08:25:01,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 08:25:01,785 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 08:25:01,786 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ad5a3be6-9ee4-4425-b526-dc5ed1edc59b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 08:25:01,801 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 08:25:01,802 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 08:25:01,803 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 08:25:01,803 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 08:25:01,803 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 08:25:01,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 08:25:01,804 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 08:25:01,804 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 08:25:01,804 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 08:25:01,805 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 08:25:01,805 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 08:25:01,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 08:25:01,805 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 08:25:01,805 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 08:25:01,806 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 08:25:01,806 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 08:25:01,806 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 08:25:01,806 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 08:25:01,807 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 08:25:01,807 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 08:25:01,807 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 08:25:01,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 08:25:01,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 08:25:01,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 08:25:01,808 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 08:25:01,808 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 08:25:01,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 08:25:01,809 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 08:25:01,809 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_ad5a3be6-9ee4-4425-b526-dc5ed1edc59b/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 -> bf623cbfa27d5f25c20ae418fc6508fd949965cd [2019-11-20 08:25:01,999 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 08:25:02,021 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 08:25:02,024 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 08:25:02,033 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 08:25:02,034 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 08:25:02,035 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ad5a3be6-9ee4-4425-b526-dc5ed1edc59b/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label14.c [2019-11-20 08:25:02,118 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ad5a3be6-9ee4-4425-b526-dc5ed1edc59b/bin/uautomizer/data/412a7169b/4fe546aa31154932a02458aef56160a9/FLAG0a56cd667 [2019-11-20 08:25:02,692 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 08:25:02,703 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ad5a3be6-9ee4-4425-b526-dc5ed1edc59b/sv-benchmarks/c/eca-rers2012/Problem02_label14.c [2019-11-20 08:25:02,716 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ad5a3be6-9ee4-4425-b526-dc5ed1edc59b/bin/uautomizer/data/412a7169b/4fe546aa31154932a02458aef56160a9/FLAG0a56cd667 [2019-11-20 08:25:02,915 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ad5a3be6-9ee4-4425-b526-dc5ed1edc59b/bin/uautomizer/data/412a7169b/4fe546aa31154932a02458aef56160a9 [2019-11-20 08:25:02,918 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 08:25:02,920 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 08:25:02,922 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 08:25:02,922 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 08:25:02,926 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 08:25:02,927 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:25:02" (1/1) ... [2019-11-20 08:25:02,930 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d1312dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:25:02, skipping insertion in model container [2019-11-20 08:25:02,931 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:25:02" (1/1) ... [2019-11-20 08:25:02,939 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 08:25:03,010 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 08:25:03,466 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 08:25:03,472 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 08:25:03,610 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 08:25:03,627 INFO L192 MainTranslator]: Completed translation [2019-11-20 08:25:03,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:25:03 WrapperNode [2019-11-20 08:25:03,628 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 08:25:03,629 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 08:25:03,629 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 08:25:03,630 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 08:25:03,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:25:03" (1/1) ... [2019-11-20 08:25:03,661 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:25:03" (1/1) ... [2019-11-20 08:25:03,733 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 08:25:03,733 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 08:25:03,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 08:25:03,734 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 08:25:03,745 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:25:03" (1/1) ... [2019-11-20 08:25:03,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:25:03" (1/1) ... [2019-11-20 08:25:03,756 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:25:03" (1/1) ... [2019-11-20 08:25:03,758 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:25:03" (1/1) ... [2019-11-20 08:25:03,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:25:03" (1/1) ... [2019-11-20 08:25:03,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:25:03" (1/1) ... [2019-11-20 08:25:03,833 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:25:03" (1/1) ... [2019-11-20 08:25:03,847 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 08:25:03,848 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 08:25:03,848 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 08:25:03,848 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 08:25:03,849 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:25:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad5a3be6-9ee4-4425-b526-dc5ed1edc59b/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 [2019-11-20 08:25:03,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 08:25:03,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 08:25:05,176 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 08:25:05,176 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 08:25:05,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:25:05 BoogieIcfgContainer [2019-11-20 08:25:05,178 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 08:25:05,179 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 08:25:05,179 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 08:25:05,182 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 08:25:05,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 08:25:02" (1/3) ... [2019-11-20 08:25:05,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ee552a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:25:05, skipping insertion in model container [2019-11-20 08:25:05,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:25:03" (2/3) ... [2019-11-20 08:25:05,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ee552a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:25:05, skipping insertion in model container [2019-11-20 08:25:05,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:25:05" (3/3) ... [2019-11-20 08:25:05,189 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label14.c [2019-11-20 08:25:05,201 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 08:25:05,211 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 08:25:05,224 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 08:25:05,266 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 08:25:05,266 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 08:25:05,267 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 08:25:05,267 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 08:25:05,267 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 08:25:05,267 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 08:25:05,268 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 08:25:05,269 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 08:25:05,298 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-11-20 08:25:05,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-11-20 08:25:05,316 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 08:25:05,317 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 08:25:05,318 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 08:25:05,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:25:05,323 INFO L82 PathProgramCache]: Analyzing trace with hash 906683963, now seen corresponding path program 1 times [2019-11-20 08:25:05,331 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:25:05,331 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171409520] [2019-11-20 08:25:05,332 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:25:05,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:25:05,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:25:05,778 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171409520] [2019-11-20 08:25:05,779 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 08:25:05,779 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 08:25:05,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662396774] [2019-11-20 08:25:05,787 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 08:25:05,788 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 08:25:05,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 08:25:05,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 08:25:05,807 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-11-20 08:25:07,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:25:07,741 INFO L93 Difference]: Finished difference Result 739 states and 1311 transitions. [2019-11-20 08:25:07,742 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 08:25:07,743 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 117 [2019-11-20 08:25:07,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 08:25:07,763 INFO L225 Difference]: With dead ends: 739 [2019-11-20 08:25:07,764 INFO L226 Difference]: Without dead ends: 445 [2019-11-20 08:25:07,769 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 08:25:07,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2019-11-20 08:25:07,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 445. [2019-11-20 08:25:07,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2019-11-20 08:25:07,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 664 transitions. [2019-11-20 08:25:07,853 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 664 transitions. Word has length 117 [2019-11-20 08:25:07,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 08:25:07,854 INFO L462 AbstractCegarLoop]: Abstraction has 445 states and 664 transitions. [2019-11-20 08:25:07,854 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 08:25:07,854 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 664 transitions. [2019-11-20 08:25:07,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-11-20 08:25:07,860 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 08:25:07,861 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 08:25:07,861 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 08:25:07,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:25:07,862 INFO L82 PathProgramCache]: Analyzing trace with hash -904416550, now seen corresponding path program 1 times [2019-11-20 08:25:07,862 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:25:07,862 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145721971] [2019-11-20 08:25:07,863 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:25:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:25:07,966 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:25:07,966 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145721971] [2019-11-20 08:25:07,967 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 08:25:07,967 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 08:25:07,967 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200733703] [2019-11-20 08:25:07,969 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 08:25:07,969 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 08:25:07,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 08:25:07,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 08:25:07,970 INFO L87 Difference]: Start difference. First operand 445 states and 664 transitions. Second operand 4 states. [2019-11-20 08:25:09,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:25:09,060 INFO L93 Difference]: Finished difference Result 1470 states and 2193 transitions. [2019-11-20 08:25:09,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 08:25:09,061 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 135 [2019-11-20 08:25:09,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 08:25:09,069 INFO L225 Difference]: With dead ends: 1470 [2019-11-20 08:25:09,069 INFO L226 Difference]: Without dead ends: 1027 [2019-11-20 08:25:09,073 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 [2019-11-20 08:25:09,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2019-11-20 08:25:09,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 729. [2019-11-20 08:25:09,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2019-11-20 08:25:09,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 1053 transitions. [2019-11-20 08:25:09,118 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 1053 transitions. Word has length 135 [2019-11-20 08:25:09,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 08:25:09,119 INFO L462 AbstractCegarLoop]: Abstraction has 729 states and 1053 transitions. [2019-11-20 08:25:09,119 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 08:25:09,119 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1053 transitions. [2019-11-20 08:25:09,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-11-20 08:25:09,126 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 08:25:09,127 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 08:25:09,127 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 08:25:09,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:25:09,128 INFO L82 PathProgramCache]: Analyzing trace with hash 793603343, now seen corresponding path program 1 times [2019-11-20 08:25:09,128 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:25:09,128 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865184128] [2019-11-20 08:25:09,128 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:25:09,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:25:09,229 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:25:09,230 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865184128] [2019-11-20 08:25:09,230 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 08:25:09,230 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 08:25:09,231 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374061628] [2019-11-20 08:25:09,231 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 08:25:09,232 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 08:25:09,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 08:25:09,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 08:25:09,232 INFO L87 Difference]: Start difference. First operand 729 states and 1053 transitions. Second operand 4 states. [2019-11-20 08:25:10,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:25:10,345 INFO L93 Difference]: Finished difference Result 2582 states and 3716 transitions. [2019-11-20 08:25:10,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 08:25:10,346 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 139 [2019-11-20 08:25:10,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 08:25:10,361 INFO L225 Difference]: With dead ends: 2582 [2019-11-20 08:25:10,362 INFO L226 Difference]: Without dead ends: 1855 [2019-11-20 08:25:10,364 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 [2019-11-20 08:25:10,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1855 states. [2019-11-20 08:25:10,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1855 to 1570. [2019-11-20 08:25:10,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1570 states. [2019-11-20 08:25:10,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 2142 transitions. [2019-11-20 08:25:10,431 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 2142 transitions. Word has length 139 [2019-11-20 08:25:10,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 08:25:10,433 INFO L462 AbstractCegarLoop]: Abstraction has 1570 states and 2142 transitions. [2019-11-20 08:25:10,433 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 08:25:10,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2142 transitions. [2019-11-20 08:25:10,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-11-20 08:25:10,450 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 08:25:10,450 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 08:25:10,451 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 08:25:10,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:25:10,451 INFO L82 PathProgramCache]: Analyzing trace with hash 1415237092, now seen corresponding path program 1 times [2019-11-20 08:25:10,452 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:25:10,452 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781283227] [2019-11-20 08:25:10,452 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:25:10,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:25:10,637 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:25:10,638 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781283227] [2019-11-20 08:25:10,639 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 08:25:10,639 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 08:25:10,640 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526893823] [2019-11-20 08:25:10,641 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 08:25:10,641 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 08:25:10,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 08:25:10,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 08:25:10,642 INFO L87 Difference]: Start difference. First operand 1570 states and 2142 transitions. Second operand 3 states. [2019-11-20 08:25:11,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:25:11,314 INFO L93 Difference]: Finished difference Result 3840 states and 5195 transitions. [2019-11-20 08:25:11,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 08:25:11,315 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2019-11-20 08:25:11,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 08:25:11,330 INFO L225 Difference]: With dead ends: 3840 [2019-11-20 08:25:11,330 INFO L226 Difference]: Without dead ends: 2272 [2019-11-20 08:25:11,334 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 [2019-11-20 08:25:11,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2272 states. [2019-11-20 08:25:11,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2272 to 2132. [2019-11-20 08:25:11,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2132 states. [2019-11-20 08:25:11,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 2655 transitions. [2019-11-20 08:25:11,407 INFO L78 Accepts]: Start accepts. Automaton has 2132 states and 2655 transitions. Word has length 139 [2019-11-20 08:25:11,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 08:25:11,407 INFO L462 AbstractCegarLoop]: Abstraction has 2132 states and 2655 transitions. [2019-11-20 08:25:11,408 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 08:25:11,408 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 2655 transitions. [2019-11-20 08:25:11,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-11-20 08:25:11,413 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 08:25:11,413 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 08:25:11,414 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 08:25:11,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:25:11,415 INFO L82 PathProgramCache]: Analyzing trace with hash 1487828793, now seen corresponding path program 1 times [2019-11-20 08:25:11,415 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:25:11,415 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318975362] [2019-11-20 08:25:11,416 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:25:11,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:25:11,618 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 08:25:11,618 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318975362] [2019-11-20 08:25:11,619 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 08:25:11,619 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 08:25:11,619 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477396773] [2019-11-20 08:25:11,621 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 08:25:11,621 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 08:25:11,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 08:25:11,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 08:25:11,622 INFO L87 Difference]: Start difference. First operand 2132 states and 2655 transitions. Second operand 4 states. [2019-11-20 08:25:12,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:25:12,665 INFO L93 Difference]: Finished difference Result 4827 states and 6005 transitions. [2019-11-20 08:25:12,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 08:25:12,666 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 144 [2019-11-20 08:25:12,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 08:25:12,680 INFO L225 Difference]: With dead ends: 4827 [2019-11-20 08:25:12,681 INFO L226 Difference]: Without dead ends: 2273 [2019-11-20 08:25:12,684 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 08:25:12,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2273 states. [2019-11-20 08:25:12,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2273 to 2270. [2019-11-20 08:25:12,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2270 states. [2019-11-20 08:25:12,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2270 states to 2270 states and 2534 transitions. [2019-11-20 08:25:12,742 INFO L78 Accepts]: Start accepts. Automaton has 2270 states and 2534 transitions. Word has length 144 [2019-11-20 08:25:12,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 08:25:12,742 INFO L462 AbstractCegarLoop]: Abstraction has 2270 states and 2534 transitions. [2019-11-20 08:25:12,743 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 08:25:12,743 INFO L276 IsEmpty]: Start isEmpty. Operand 2270 states and 2534 transitions. [2019-11-20 08:25:12,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-11-20 08:25:12,750 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 08:25:12,750 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 08:25:12,750 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 08:25:12,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:25:12,751 INFO L82 PathProgramCache]: Analyzing trace with hash -1645622840, now seen corresponding path program 1 times [2019-11-20 08:25:12,751 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:25:12,752 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605345799] [2019-11-20 08:25:12,752 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:25:12,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:25:12,838 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 08:25:12,839 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605345799] [2019-11-20 08:25:12,840 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 08:25:12,840 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 08:25:12,840 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090285095] [2019-11-20 08:25:12,841 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 08:25:12,841 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 08:25:12,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 08:25:12,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 08:25:12,842 INFO L87 Difference]: Start difference. First operand 2270 states and 2534 transitions. Second operand 3 states. [2019-11-20 08:25:13,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:25:13,486 INFO L93 Difference]: Finished difference Result 5376 states and 5995 transitions. [2019-11-20 08:25:13,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 08:25:13,486 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 185 [2019-11-20 08:25:13,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 08:25:13,505 INFO L225 Difference]: With dead ends: 5376 [2019-11-20 08:25:13,506 INFO L226 Difference]: Without dead ends: 3108 [2019-11-20 08:25:13,509 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 [2019-11-20 08:25:13,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3108 states. [2019-11-20 08:25:13,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3108 to 2128. [2019-11-20 08:25:13,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2128 states. [2019-11-20 08:25:13,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2128 states to 2128 states and 2362 transitions. [2019-11-20 08:25:13,607 INFO L78 Accepts]: Start accepts. Automaton has 2128 states and 2362 transitions. Word has length 185 [2019-11-20 08:25:13,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 08:25:13,608 INFO L462 AbstractCegarLoop]: Abstraction has 2128 states and 2362 transitions. [2019-11-20 08:25:13,609 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 08:25:13,609 INFO L276 IsEmpty]: Start isEmpty. Operand 2128 states and 2362 transitions. [2019-11-20 08:25:13,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-11-20 08:25:13,615 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 08:25:13,616 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 08:25:13,616 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 08:25:13,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:25:13,621 INFO L82 PathProgramCache]: Analyzing trace with hash -1280460365, now seen corresponding path program 1 times [2019-11-20 08:25:13,622 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:25:13,622 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674872828] [2019-11-20 08:25:13,622 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:25:13,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:25:14,052 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:25:14,053 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674872828] [2019-11-20 08:25:14,053 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 08:25:14,053 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-20 08:25:14,054 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211997375] [2019-11-20 08:25:14,054 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-20 08:25:14,055 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 08:25:14,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-20 08:25:14,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-11-20 08:25:14,056 INFO L87 Difference]: Start difference. First operand 2128 states and 2362 transitions. Second operand 7 states. [2019-11-20 08:25:15,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:25:15,403 INFO L93 Difference]: Finished difference Result 4693 states and 5195 transitions. [2019-11-20 08:25:15,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-20 08:25:15,405 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 185 [2019-11-20 08:25:15,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 08:25:15,421 INFO L225 Difference]: With dead ends: 4693 [2019-11-20 08:25:15,422 INFO L226 Difference]: Without dead ends: 2286 [2019-11-20 08:25:15,425 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2019-11-20 08:25:15,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2286 states. [2019-11-20 08:25:15,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2286 to 2127. [2019-11-20 08:25:15,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2127 states. [2019-11-20 08:25:15,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2127 states to 2127 states and 2354 transitions. [2019-11-20 08:25:15,477 INFO L78 Accepts]: Start accepts. Automaton has 2127 states and 2354 transitions. Word has length 185 [2019-11-20 08:25:15,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 08:25:15,477 INFO L462 AbstractCegarLoop]: Abstraction has 2127 states and 2354 transitions. [2019-11-20 08:25:15,477 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-20 08:25:15,478 INFO L276 IsEmpty]: Start isEmpty. Operand 2127 states and 2354 transitions. [2019-11-20 08:25:15,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-11-20 08:25:15,484 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 08:25:15,484 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 08:25:15,484 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 08:25:15,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:25:15,485 INFO L82 PathProgramCache]: Analyzing trace with hash -1003780014, now seen corresponding path program 1 times [2019-11-20 08:25:15,485 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:25:15,486 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70496795] [2019-11-20 08:25:15,487 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:25:15,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:25:15,668 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:25:15,669 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70496795] [2019-11-20 08:25:15,669 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 08:25:15,669 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 08:25:15,670 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761078356] [2019-11-20 08:25:15,670 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 08:25:15,671 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 08:25:15,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 08:25:15,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 08:25:15,671 INFO L87 Difference]: Start difference. First operand 2127 states and 2354 transitions. Second operand 4 states. [2019-11-20 08:25:16,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:25:16,579 INFO L93 Difference]: Finished difference Result 3829 states and 4242 transitions. [2019-11-20 08:25:16,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 08:25:16,579 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 194 [2019-11-20 08:25:16,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 08:25:16,588 INFO L225 Difference]: With dead ends: 3829 [2019-11-20 08:25:16,589 INFO L226 Difference]: Without dead ends: 1564 [2019-11-20 08:25:16,592 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 [2019-11-20 08:25:16,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1564 states. [2019-11-20 08:25:16,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1564 to 1563. [2019-11-20 08:25:16,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1563 states. [2019-11-20 08:25:16,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1563 states to 1563 states and 1686 transitions. [2019-11-20 08:25:16,626 INFO L78 Accepts]: Start accepts. Automaton has 1563 states and 1686 transitions. Word has length 194 [2019-11-20 08:25:16,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 08:25:16,626 INFO L462 AbstractCegarLoop]: Abstraction has 1563 states and 1686 transitions. [2019-11-20 08:25:16,626 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 08:25:16,627 INFO L276 IsEmpty]: Start isEmpty. Operand 1563 states and 1686 transitions. [2019-11-20 08:25:16,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2019-11-20 08:25:16,631 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 08:25:16,632 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 08:25:16,632 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 08:25:16,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:25:16,633 INFO L82 PathProgramCache]: Analyzing trace with hash 36518128, now seen corresponding path program 1 times [2019-11-20 08:25:16,633 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:25:16,634 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976744321] [2019-11-20 08:25:16,634 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:25:16,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:25:16,824 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-20 08:25:16,825 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976744321] [2019-11-20 08:25:16,826 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 08:25:16,826 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 08:25:16,831 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530914368] [2019-11-20 08:25:16,832 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 08:25:16,832 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 08:25:16,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 08:25:16,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 08:25:16,833 INFO L87 Difference]: Start difference. First operand 1563 states and 1686 transitions. Second operand 3 states. [2019-11-20 08:25:17,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:25:17,298 INFO L93 Difference]: Finished difference Result 3264 states and 3520 transitions. [2019-11-20 08:25:17,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 08:25:17,299 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 215 [2019-11-20 08:25:17,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 08:25:17,300 INFO L225 Difference]: With dead ends: 3264 [2019-11-20 08:25:17,300 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 08:25:17,304 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 [2019-11-20 08:25:17,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 08:25:17,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 08:25:17,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 08:25:17,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 08:25:17,305 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 215 [2019-11-20 08:25:17,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 08:25:17,305 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 08:25:17,305 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 08:25:17,306 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 08:25:17,306 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 08:25:17,311 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 08:25:17,628 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 31 [2019-11-20 08:25:17,816 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 31 [2019-11-20 08:25:17,819 INFO L444 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,819 INFO L444 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,819 INFO L444 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,819 INFO L444 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-11-20 08:25:17,819 INFO L444 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-11-20 08:25:17,820 INFO L444 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-11-20 08:25:17,820 INFO L444 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2019-11-20 08:25:17,820 INFO L444 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-11-20 08:25:17,820 INFO L444 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-11-20 08:25:17,820 INFO L444 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-11-20 08:25:17,820 INFO L444 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,820 INFO L444 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,820 INFO L444 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,820 INFO L444 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-11-20 08:25:17,821 INFO L444 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-11-20 08:25:17,821 INFO L444 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-11-20 08:25:17,821 INFO L444 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2019-11-20 08:25:17,824 INFO L444 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-11-20 08:25:17,824 INFO L444 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-11-20 08:25:17,825 INFO L444 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-11-20 08:25:17,825 INFO L444 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,825 INFO L444 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,825 INFO L444 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,825 INFO L444 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-11-20 08:25:17,826 INFO L444 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-11-20 08:25:17,826 INFO L444 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-11-20 08:25:17,826 INFO L444 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-11-20 08:25:17,826 INFO L444 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-11-20 08:25:17,827 INFO L444 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,827 INFO L444 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,827 INFO L444 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,827 INFO L444 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-11-20 08:25:17,827 INFO L444 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-11-20 08:25:17,828 INFO L444 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2019-11-20 08:25:17,829 INFO L444 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-11-20 08:25:17,829 INFO L444 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2019-11-20 08:25:17,829 INFO L444 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-11-20 08:25:17,829 INFO L444 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-11-20 08:25:17,830 INFO L444 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-11-20 08:25:17,830 INFO L444 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,830 INFO L444 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,830 INFO L444 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,830 INFO L444 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-11-20 08:25:17,831 INFO L444 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-11-20 08:25:17,831 INFO L444 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2019-11-20 08:25:17,831 INFO L444 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-11-20 08:25:17,831 INFO L444 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-11-20 08:25:17,831 INFO L444 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-11-20 08:25:17,831 INFO L444 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-11-20 08:25:17,831 INFO L444 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-11-20 08:25:17,832 INFO L444 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,832 INFO L444 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,832 INFO L444 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,832 INFO L444 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-11-20 08:25:17,832 INFO L444 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-11-20 08:25:17,832 INFO L444 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-11-20 08:25:17,833 INFO L444 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-11-20 08:25:17,833 INFO L444 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-11-20 08:25:17,833 INFO L444 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-11-20 08:25:17,833 INFO L444 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-11-20 08:25:17,833 INFO L444 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-11-20 08:25:17,834 INFO L444 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-11-20 08:25:17,834 INFO L444 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,834 INFO L444 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,835 INFO L444 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,835 INFO L444 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-11-20 08:25:17,835 INFO L444 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-11-20 08:25:17,836 INFO L444 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-11-20 08:25:17,836 INFO L444 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-11-20 08:25:17,836 INFO L444 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-11-20 08:25:17,836 INFO L444 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-11-20 08:25:17,837 INFO L444 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,837 INFO L444 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,837 INFO L444 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,837 INFO L444 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-11-20 08:25:17,837 INFO L444 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-11-20 08:25:17,837 INFO L444 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-11-20 08:25:17,838 INFO L444 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2019-11-20 08:25:17,838 INFO L444 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-11-20 08:25:17,838 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 08:25:17,838 INFO L444 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-11-20 08:25:17,838 INFO L444 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-11-20 08:25:17,838 INFO L444 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-11-20 08:25:17,839 INFO L444 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,839 INFO L444 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,839 INFO L444 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,839 INFO L444 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2019-11-20 08:25:17,839 INFO L444 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-11-20 08:25:17,839 INFO L444 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-11-20 08:25:17,840 INFO L444 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-11-20 08:25:17,840 INFO L444 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-11-20 08:25:17,840 INFO L444 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,840 INFO L444 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,840 INFO L444 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,840 INFO L444 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-11-20 08:25:17,841 INFO L444 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-11-20 08:25:17,841 INFO L444 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-11-20 08:25:17,841 INFO L444 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-11-20 08:25:17,841 INFO L444 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-11-20 08:25:17,842 INFO L444 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-11-20 08:25:17,842 INFO L444 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-11-20 08:25:17,842 INFO L444 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-11-20 08:25:17,842 INFO L444 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-11-20 08:25:17,843 INFO L444 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-11-20 08:25:17,843 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 08:25:17,843 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 523) no Hoare annotation was computed. [2019-11-20 08:25:17,843 INFO L444 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-11-20 08:25:17,843 INFO L444 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,844 INFO L444 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,844 INFO L444 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-11-20 08:25:17,844 INFO L444 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-11-20 08:25:17,844 INFO L444 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-11-20 08:25:17,844 INFO L444 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-11-20 08:25:17,844 INFO L444 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-11-20 08:25:17,845 INFO L444 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-11-20 08:25:17,845 INFO L444 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-11-20 08:25:17,845 INFO L444 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-11-20 08:25:17,845 INFO L444 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-11-20 08:25:17,847 INFO L440 ceAbstractionStarter]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse4 (= ~a25~0 1))) (let ((.cse8 (not .cse4)) (.cse1 (= ~a17~0 8)) (.cse9 (= 1 ~a11~0))) (let ((.cse2 (not (= ~a28~0 11))) (.cse0 (not .cse9)) (.cse6 (and .cse8 .cse1)) (.cse3 (= ~a19~0 1)) (.cse5 (= ~a28~0 9)) (.cse7 (= 10 ~a28~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse4) (and .cse0 .cse5) (and .cse6 .cse2) (and .cse3 .cse4 .cse2) (and .cse0 .cse6) (and .cse3 .cse7) (and .cse5 .cse4) (and .cse8 .cse9 .cse7))))) [2019-11-20 08:25:17,847 INFO L444 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,847 INFO L444 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,847 INFO L444 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-11-20 08:25:17,847 INFO L444 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-11-20 08:25:17,848 INFO L444 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-11-20 08:25:17,848 INFO L444 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-11-20 08:25:17,848 INFO L444 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-11-20 08:25:17,848 INFO L444 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-11-20 08:25:17,848 INFO L447 ceAbstractionStarter]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-11-20 08:25:17,848 INFO L444 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,849 INFO L444 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,849 INFO L444 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-20 08:25:17,849 INFO L444 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-11-20 08:25:17,849 INFO L444 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2019-11-20 08:25:17,849 INFO L444 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-11-20 08:25:17,849 INFO L444 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-11-20 08:25:17,850 INFO L444 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-11-20 08:25:17,850 INFO L444 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-11-20 08:25:17,850 INFO L444 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-11-20 08:25:17,850 INFO L444 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-11-20 08:25:17,850 INFO L444 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,850 INFO L444 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,851 INFO L444 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-11-20 08:25:17,851 INFO L444 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-11-20 08:25:17,851 INFO L444 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-11-20 08:25:17,851 INFO L444 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-11-20 08:25:17,851 INFO L444 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-11-20 08:25:17,852 INFO L444 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-11-20 08:25:17,852 INFO L440 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse4 (= ~a25~0 1))) (let ((.cse8 (not .cse4)) (.cse1 (= ~a17~0 8)) (.cse9 (= 1 ~a11~0))) (let ((.cse2 (not (= ~a28~0 11))) (.cse0 (not .cse9)) (.cse6 (and .cse8 .cse1)) (.cse3 (= ~a19~0 1)) (.cse5 (= ~a28~0 9)) (.cse7 (= 10 ~a28~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse4) (and .cse0 .cse5) (and .cse6 .cse2) (and .cse3 .cse4 .cse2) (and .cse0 .cse6) (and .cse3 .cse7) (and .cse5 .cse4) (and .cse8 .cse9 .cse7))))) [2019-11-20 08:25:17,852 INFO L444 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,852 INFO L444 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,852 INFO L444 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-11-20 08:25:17,853 INFO L444 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-11-20 08:25:17,853 INFO L444 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-11-20 08:25:17,853 INFO L444 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-11-20 08:25:17,853 INFO L444 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-11-20 08:25:17,853 INFO L444 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,853 INFO L444 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,854 INFO L444 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2019-11-20 08:25:17,854 INFO L444 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-11-20 08:25:17,854 INFO L444 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-11-20 08:25:17,854 INFO L444 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-11-20 08:25:17,854 INFO L444 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-11-20 08:25:17,854 INFO L444 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-11-20 08:25:17,855 INFO L444 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-11-20 08:25:17,855 INFO L444 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-11-20 08:25:17,858 INFO L444 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-11-20 08:25:17,859 INFO L444 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,859 INFO L444 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,859 INFO L444 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-11-20 08:25:17,859 INFO L444 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,860 INFO L444 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-11-20 08:25:17,860 INFO L444 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-11-20 08:25:17,860 INFO L444 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2019-11-20 08:25:17,860 INFO L444 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-11-20 08:25:17,860 INFO L444 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-11-20 08:25:17,860 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 08:25:17,861 INFO L444 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-11-20 08:25:17,861 INFO L444 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,861 INFO L444 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,861 INFO L444 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,861 INFO L444 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-11-20 08:25:17,861 INFO L444 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-11-20 08:25:17,862 INFO L444 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-11-20 08:25:17,862 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-11-20 08:25:17,862 INFO L444 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-11-20 08:25:17,862 INFO L444 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,862 INFO L444 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,863 INFO L444 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,863 INFO L444 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-11-20 08:25:17,863 INFO L444 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-11-20 08:25:17,863 INFO L444 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-11-20 08:25:17,863 INFO L444 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-11-20 08:25:17,863 INFO L444 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-11-20 08:25:17,864 INFO L444 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-11-20 08:25:17,864 INFO L444 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,864 INFO L444 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,864 INFO L444 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,864 INFO L444 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-11-20 08:25:17,864 INFO L444 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-11-20 08:25:17,865 INFO L444 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-11-20 08:25:17,865 INFO L444 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-11-20 08:25:17,865 INFO L444 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-11-20 08:25:17,865 INFO L444 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-11-20 08:25:17,865 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 08:25:17,865 INFO L444 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-11-20 08:25:17,866 INFO L444 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-11-20 08:25:17,866 INFO L444 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,866 INFO L444 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,866 INFO L444 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,866 INFO L444 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-11-20 08:25:17,867 INFO L444 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2019-11-20 08:25:17,867 INFO L444 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-11-20 08:25:17,867 INFO L444 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2019-11-20 08:25:17,867 INFO L444 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-11-20 08:25:17,867 INFO L444 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,867 INFO L444 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,868 INFO L444 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 08:25:17,868 INFO L444 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-11-20 08:25:17,868 INFO L444 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-11-20 08:25:17,868 INFO L444 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-11-20 08:25:17,868 INFO L444 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2019-11-20 08:25:17,868 INFO L444 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-11-20 08:25:17,869 INFO L444 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-11-20 08:25:17,869 INFO L444 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-11-20 08:25:17,869 INFO L444 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-11-20 08:25:17,869 INFO L444 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-11-20 08:25:17,869 INFO L444 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-11-20 08:25:17,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 08:25:17 BoogieIcfgContainer [2019-11-20 08:25:17,910 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 08:25:17,911 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 08:25:17,911 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 08:25:17,911 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 08:25:17,912 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:25:05" (3/4) ... [2019-11-20 08:25:17,916 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 08:25:17,950 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 08:25:17,952 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 08:25:18,168 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ad5a3be6-9ee4-4425-b526-dc5ed1edc59b/bin/uautomizer/witness.graphml [2019-11-20 08:25:18,168 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 08:25:18,169 INFO L168 Benchmark]: Toolchain (without parser) took 15249.64 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 412.6 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -131.3 MB). Peak memory consumption was 281.3 MB. Max. memory is 11.5 GB. [2019-11-20 08:25:18,170 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 08:25:18,170 INFO L168 Benchmark]: CACSL2BoogieTranslator took 707.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -165.2 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-11-20 08:25:18,171 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-20 08:25:18,171 INFO L168 Benchmark]: Boogie Preprocessor took 113.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2019-11-20 08:25:18,172 INFO L168 Benchmark]: RCFGBuilder took 1330.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 978.8 MB in the end (delta: 105.0 MB). Peak memory consumption was 105.0 MB. Max. memory is 11.5 GB. [2019-11-20 08:25:18,172 INFO L168 Benchmark]: TraceAbstraction took 12731.56 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 283.1 MB). Free memory was 978.8 MB in the beginning and 1.1 GB in the end (delta: -120.3 MB). Peak memory consumption was 162.8 MB. Max. memory is 11.5 GB. [2019-11-20 08:25:18,173 INFO L168 Benchmark]: Witness Printer took 257.34 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. [2019-11-20 08:25:18,175 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 707.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -165.2 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 103.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 113.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1330.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 978.8 MB in the end (delta: 105.0 MB). Peak memory consumption was 105.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12731.56 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 283.1 MB). Free memory was 978.8 MB in the beginning and 1.1 GB in the end (delta: -120.3 MB). Peak memory consumption was 162.8 MB. Max. memory is 11.5 GB. * Witness Printer took 257.34 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 523]: 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: (((((((((!(1 == a11) && a17 == 8) && !(a28 == 11)) || ((!(1 == a11) && a19 == 1) && a25 == 1)) || (!(1 == a11) && a28 == 9)) || ((!(a25 == 1) && a17 == 8) && !(a28 == 11))) || ((a19 == 1 && a25 == 1) && !(a28 == 11))) || (!(1 == a11) && !(a25 == 1) && a17 == 8)) || (a19 == 1 && 10 == a28)) || (a28 == 9 && a25 == 1)) || ((!(a25 == 1) && 1 == a11) && 10 == a28) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((((((((!(1 == a11) && a17 == 8) && !(a28 == 11)) || ((!(1 == a11) && a19 == 1) && a25 == 1)) || (!(1 == a11) && a28 == 9)) || ((!(a25 == 1) && a17 == 8) && !(a28 == 11))) || ((a19 == 1 && a25 == 1) && !(a28 == 11))) || (!(1 == a11) && !(a25 == 1) && a17 == 8)) || (a19 == 1 && 10 == a28)) || (a28 == 9 && a25 == 1)) || ((!(a25 == 1) && 1 == a11) && 10 == a28) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 12.6s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 9.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, HoareTripleCheckerStatistics: 893 SDtfs, 2186 SDslu, 285 SDs, 0 SdLazy, 5734 SolverSat, 861 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 14 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2270occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 1866 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 42 NumberOfFragments, 189 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2041 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 298 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1453 NumberOfCodeBlocks, 1453 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1444 ConstructedInterpolants, 0 QuantifiedInterpolants, 728663 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 463/463 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...