./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 cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7d73e046-2499-434d-80b7-9e16ac07d683/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7d73e046-2499-434d-80b7-9e16ac07d683/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7d73e046-2499-434d-80b7-9e16ac07d683/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7d73e046-2499-434d-80b7-9e16ac07d683/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label14.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7d73e046-2499-434d-80b7-9e16ac07d683/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7d73e046-2499-434d-80b7-9e16ac07d683/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-cad4683 [2019-10-22 08:58:26,873 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:58:26,874 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:58:26,890 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:58:26,890 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:58:26,891 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:58:26,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:58:26,895 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:58:26,896 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:58:26,897 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:58:26,898 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:58:26,900 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:58:26,900 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:58:26,901 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:58:26,902 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:58:26,903 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:58:26,904 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:58:26,905 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:58:26,907 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:58:26,909 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:58:26,911 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:58:26,912 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:58:26,913 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:58:26,914 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:58:26,922 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:58:26,922 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:58:26,923 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:58:26,924 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:58:26,924 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:58:26,925 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:58:26,926 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:58:26,926 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:58:26,927 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:58:26,928 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:58:26,929 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:58:26,929 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:58:26,930 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:58:26,930 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:58:26,930 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:58:26,931 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:58:26,932 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:58:26,933 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7d73e046-2499-434d-80b7-9e16ac07d683/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:58:26,945 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:58:26,945 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:58:26,946 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:58:26,946 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:58:26,947 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:58:26,947 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:58:26,947 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:58:26,947 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:58:26,947 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:58:26,948 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:58:26,948 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:58:26,948 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:58:26,948 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:58:26,948 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:58:26,948 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:58:26,949 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:58:26,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:58:26,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:58:26,949 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:58:26,949 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:58:26,950 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:58:26,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:58:26,950 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:58:26,950 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:58:26,950 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:58:26,950 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:58:26,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:58:26,951 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:58:26,951 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/working_dir_7d73e046-2499-434d-80b7-9e16ac07d683/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 [2019-10-22 08:58:26,978 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:58:26,990 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:58:26,994 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:58:26,995 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:58:26,996 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:58:26,996 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7d73e046-2499-434d-80b7-9e16ac07d683/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label14.c [2019-10-22 08:58:27,052 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7d73e046-2499-434d-80b7-9e16ac07d683/bin/uautomizer/data/7c3b45256/bf9e65bcae154c12a3cc9f5237741da9/FLAGea65b1e62 [2019-10-22 08:58:27,481 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:58:27,482 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7d73e046-2499-434d-80b7-9e16ac07d683/sv-benchmarks/c/eca-rers2012/Problem02_label14.c [2019-10-22 08:58:27,493 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7d73e046-2499-434d-80b7-9e16ac07d683/bin/uautomizer/data/7c3b45256/bf9e65bcae154c12a3cc9f5237741da9/FLAGea65b1e62 [2019-10-22 08:58:27,797 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7d73e046-2499-434d-80b7-9e16ac07d683/bin/uautomizer/data/7c3b45256/bf9e65bcae154c12a3cc9f5237741da9 [2019-10-22 08:58:27,800 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:58:27,802 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:58:27,803 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:27,803 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:58:27,807 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:58:27,808 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:27" (1/1) ... [2019-10-22 08:58:27,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bdd4b5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:27, skipping insertion in model container [2019-10-22 08:58:27,811 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:27" (1/1) ... [2019-10-22 08:58:27,819 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:58:27,857 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:58:28,324 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:28,329 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:58:28,430 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:28,447 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:58:28,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:28 WrapperNode [2019-10-22 08:58:28,447 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:28,448 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:28,448 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:58:28,448 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:58:28,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:28" (1/1) ... [2019-10-22 08:58:28,472 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:28" (1/1) ... [2019-10-22 08:58:28,523 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:28,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:58:28,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:58:28,523 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:58:28,534 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:28" (1/1) ... [2019-10-22 08:58:28,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:28" (1/1) ... [2019-10-22 08:58:28,538 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:28" (1/1) ... [2019-10-22 08:58:28,538 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:28" (1/1) ... [2019-10-22 08:58:28,553 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:28" (1/1) ... [2019-10-22 08:58:28,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:28" (1/1) ... [2019-10-22 08:58:28,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:28" (1/1) ... [2019-10-22 08:58:28,573 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:58:28,573 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:58:28,573 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:58:28,573 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:58:28,574 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7d73e046-2499-434d-80b7-9e16ac07d683/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 [2019-10-22 08:58:28,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:58:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:58:30,179 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:58:30,179 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 08:58:30,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:30 BoogieIcfgContainer [2019-10-22 08:58:30,181 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:58:30,182 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:58:30,182 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:58:30,186 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:58:30,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:58:27" (1/3) ... [2019-10-22 08:58:30,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2afd392c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:58:30, skipping insertion in model container [2019-10-22 08:58:30,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:28" (2/3) ... [2019-10-22 08:58:30,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2afd392c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:58:30, skipping insertion in model container [2019-10-22 08:58:30,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:30" (3/3) ... [2019-10-22 08:58:30,190 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label14.c [2019-10-22 08:58:30,200 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:58:30,209 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 08:58:30,221 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 08:58:30,254 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:58:30,263 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:58:30,263 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:58:30,263 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:58:30,264 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:58:30,264 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:58:30,264 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:58:30,264 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:58:30,283 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-10-22 08:58:30,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-10-22 08:58:30,296 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:30,297 INFO L380 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] [2019-10-22 08:58:30,299 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:30,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:30,307 INFO L82 PathProgramCache]: Analyzing trace with hash 906683963, now seen corresponding path program 1 times [2019-10-22 08:58:30,316 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:30,317 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770564703] [2019-10-22 08:58:30,317 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:30,317 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:30,317 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:30,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:30,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:30,710 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770564703] [2019-10-22 08:58:30,711 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:30,712 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:58:30,712 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943888319] [2019-10-22 08:58:30,718 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:58:30,720 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:30,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:58:30,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:58:30,739 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-10-22 08:58:32,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:32,148 INFO L93 Difference]: Finished difference Result 739 states and 1311 transitions. [2019-10-22 08:58:32,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:58:32,150 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 117 [2019-10-22 08:58:32,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:32,169 INFO L225 Difference]: With dead ends: 739 [2019-10-22 08:58:32,173 INFO L226 Difference]: Without dead ends: 445 [2019-10-22 08:58:32,177 INFO L600 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 [2019-10-22 08:58:32,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2019-10-22 08:58:32,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 445. [2019-10-22 08:58:32,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2019-10-22 08:58:32,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 664 transitions. [2019-10-22 08:58:32,240 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 664 transitions. Word has length 117 [2019-10-22 08:58:32,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:32,241 INFO L462 AbstractCegarLoop]: Abstraction has 445 states and 664 transitions. [2019-10-22 08:58:32,241 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:58:32,241 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 664 transitions. [2019-10-22 08:58:32,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-10-22 08:58:32,245 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:32,245 INFO L380 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] [2019-10-22 08:58:32,246 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:32,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:32,246 INFO L82 PathProgramCache]: Analyzing trace with hash -904416550, now seen corresponding path program 1 times [2019-10-22 08:58:32,246 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:32,246 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981993863] [2019-10-22 08:58:32,247 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:32,247 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:32,247 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:32,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:32,321 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:32,321 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981993863] [2019-10-22 08:58:32,321 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:32,322 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:58:32,322 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782195193] [2019-10-22 08:58:32,324 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:58:32,324 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:32,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:58:32,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:58:32,324 INFO L87 Difference]: Start difference. First operand 445 states and 664 transitions. Second operand 4 states. [2019-10-22 08:58:33,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:33,208 INFO L93 Difference]: Finished difference Result 1470 states and 2193 transitions. [2019-10-22 08:58:33,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:58:33,208 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 135 [2019-10-22 08:58:33,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:33,212 INFO L225 Difference]: With dead ends: 1470 [2019-10-22 08:58:33,213 INFO L226 Difference]: Without dead ends: 1027 [2019-10-22 08:58:33,217 INFO L600 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 [2019-10-22 08:58:33,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2019-10-22 08:58:33,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 729. [2019-10-22 08:58:33,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2019-10-22 08:58:33,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 1053 transitions. [2019-10-22 08:58:33,254 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 1053 transitions. Word has length 135 [2019-10-22 08:58:33,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:33,255 INFO L462 AbstractCegarLoop]: Abstraction has 729 states and 1053 transitions. [2019-10-22 08:58:33,255 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:58:33,255 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1053 transitions. [2019-10-22 08:58:33,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-10-22 08:58:33,260 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:33,261 INFO L380 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] [2019-10-22 08:58:33,261 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:33,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:33,261 INFO L82 PathProgramCache]: Analyzing trace with hash 793603343, now seen corresponding path program 1 times [2019-10-22 08:58:33,261 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:33,262 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377998250] [2019-10-22 08:58:33,262 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:33,262 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:33,263 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:33,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:33,380 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:33,381 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377998250] [2019-10-22 08:58:33,381 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:33,381 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:58:33,382 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534566373] [2019-10-22 08:58:33,382 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:58:33,384 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:33,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:58:33,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:58:33,384 INFO L87 Difference]: Start difference. First operand 729 states and 1053 transitions. Second operand 4 states. [2019-10-22 08:58:34,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:34,221 INFO L93 Difference]: Finished difference Result 2582 states and 3716 transitions. [2019-10-22 08:58:34,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:58:34,223 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 139 [2019-10-22 08:58:34,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:34,231 INFO L225 Difference]: With dead ends: 2582 [2019-10-22 08:58:34,231 INFO L226 Difference]: Without dead ends: 1855 [2019-10-22 08:58:34,234 INFO L600 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 [2019-10-22 08:58:34,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1855 states. [2019-10-22 08:58:34,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1855 to 1570. [2019-10-22 08:58:34,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1570 states. [2019-10-22 08:58:34,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 2142 transitions. [2019-10-22 08:58:34,286 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 2142 transitions. Word has length 139 [2019-10-22 08:58:34,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:34,288 INFO L462 AbstractCegarLoop]: Abstraction has 1570 states and 2142 transitions. [2019-10-22 08:58:34,288 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:58:34,288 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2142 transitions. [2019-10-22 08:58:34,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-10-22 08:58:34,302 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:34,302 INFO L380 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] [2019-10-22 08:58:34,303 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:34,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:34,303 INFO L82 PathProgramCache]: Analyzing trace with hash 1415237092, now seen corresponding path program 1 times [2019-10-22 08:58:34,303 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:34,303 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166573257] [2019-10-22 08:58:34,304 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:34,304 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:34,304 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:34,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:34,379 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:34,380 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166573257] [2019-10-22 08:58:34,380 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:34,380 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:58:34,380 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577358353] [2019-10-22 08:58:34,381 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:58:34,383 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:34,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:58:34,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:58:34,383 INFO L87 Difference]: Start difference. First operand 1570 states and 2142 transitions. Second operand 3 states. [2019-10-22 08:58:35,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:35,011 INFO L93 Difference]: Finished difference Result 3840 states and 5195 transitions. [2019-10-22 08:58:35,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:58:35,012 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2019-10-22 08:58:35,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:35,020 INFO L225 Difference]: With dead ends: 3840 [2019-10-22 08:58:35,020 INFO L226 Difference]: Without dead ends: 2272 [2019-10-22 08:58:35,022 INFO L600 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 [2019-10-22 08:58:35,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2272 states. [2019-10-22 08:58:35,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2272 to 2132. [2019-10-22 08:58:35,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2132 states. [2019-10-22 08:58:35,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 2655 transitions. [2019-10-22 08:58:35,077 INFO L78 Accepts]: Start accepts. Automaton has 2132 states and 2655 transitions. Word has length 139 [2019-10-22 08:58:35,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:35,078 INFO L462 AbstractCegarLoop]: Abstraction has 2132 states and 2655 transitions. [2019-10-22 08:58:35,078 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:58:35,078 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 2655 transitions. [2019-10-22 08:58:35,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-10-22 08:58:35,084 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:35,084 INFO L380 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] [2019-10-22 08:58:35,084 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:35,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:35,085 INFO L82 PathProgramCache]: Analyzing trace with hash 1487828793, now seen corresponding path program 1 times [2019-10-22 08:58:35,085 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:35,085 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650215126] [2019-10-22 08:58:35,085 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:35,086 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:35,086 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:35,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:35,227 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 08:58:35,228 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650215126] [2019-10-22 08:58:35,228 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:35,228 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:58:35,229 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558431364] [2019-10-22 08:58:35,229 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:58:35,229 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:35,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:58:35,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:58:35,230 INFO L87 Difference]: Start difference. First operand 2132 states and 2655 transitions. Second operand 4 states. [2019-10-22 08:58:36,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:36,121 INFO L93 Difference]: Finished difference Result 4827 states and 6005 transitions. [2019-10-22 08:58:36,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:58:36,121 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 144 [2019-10-22 08:58:36,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:36,131 INFO L225 Difference]: With dead ends: 4827 [2019-10-22 08:58:36,131 INFO L226 Difference]: Without dead ends: 2273 [2019-10-22 08:58:36,134 INFO L600 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 [2019-10-22 08:58:36,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2273 states. [2019-10-22 08:58:36,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2273 to 2270. [2019-10-22 08:58:36,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2270 states. [2019-10-22 08:58:36,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2270 states to 2270 states and 2534 transitions. [2019-10-22 08:58:36,189 INFO L78 Accepts]: Start accepts. Automaton has 2270 states and 2534 transitions. Word has length 144 [2019-10-22 08:58:36,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:36,190 INFO L462 AbstractCegarLoop]: Abstraction has 2270 states and 2534 transitions. [2019-10-22 08:58:36,191 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:58:36,191 INFO L276 IsEmpty]: Start isEmpty. Operand 2270 states and 2534 transitions. [2019-10-22 08:58:36,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-10-22 08:58:36,195 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:36,195 INFO L380 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] [2019-10-22 08:58:36,196 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:36,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:36,196 INFO L82 PathProgramCache]: Analyzing trace with hash -1645622840, now seen corresponding path program 1 times [2019-10-22 08:58:36,196 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:36,196 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017498083] [2019-10-22 08:58:36,196 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:36,197 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:36,197 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:36,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:36,267 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-22 08:58:36,268 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017498083] [2019-10-22 08:58:36,268 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:36,269 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:58:36,269 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756729563] [2019-10-22 08:58:36,269 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:58:36,269 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:36,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:58:36,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:58:36,270 INFO L87 Difference]: Start difference. First operand 2270 states and 2534 transitions. Second operand 3 states. [2019-10-22 08:58:36,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:36,734 INFO L93 Difference]: Finished difference Result 5376 states and 5995 transitions. [2019-10-22 08:58:36,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:58:36,736 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 185 [2019-10-22 08:58:36,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:36,744 INFO L225 Difference]: With dead ends: 5376 [2019-10-22 08:58:36,745 INFO L226 Difference]: Without dead ends: 3108 [2019-10-22 08:58:36,747 INFO L600 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 [2019-10-22 08:58:36,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3108 states. [2019-10-22 08:58:36,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3108 to 2128. [2019-10-22 08:58:36,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2128 states. [2019-10-22 08:58:36,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2128 states to 2128 states and 2362 transitions. [2019-10-22 08:58:36,804 INFO L78 Accepts]: Start accepts. Automaton has 2128 states and 2362 transitions. Word has length 185 [2019-10-22 08:58:36,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:36,804 INFO L462 AbstractCegarLoop]: Abstraction has 2128 states and 2362 transitions. [2019-10-22 08:58:36,804 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:58:36,804 INFO L276 IsEmpty]: Start isEmpty. Operand 2128 states and 2362 transitions. [2019-10-22 08:58:36,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-10-22 08:58:36,808 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:36,809 INFO L380 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] [2019-10-22 08:58:36,809 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:36,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:36,815 INFO L82 PathProgramCache]: Analyzing trace with hash -1280460365, now seen corresponding path program 1 times [2019-10-22 08:58:36,815 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:36,815 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32686123] [2019-10-22 08:58:36,816 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:36,816 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:36,816 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:36,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:37,131 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:37,131 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32686123] [2019-10-22 08:58:37,132 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:37,132 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 08:58:37,132 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689575675] [2019-10-22 08:58:37,132 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 08:58:37,132 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:37,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 08:58:37,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-10-22 08:58:37,133 INFO L87 Difference]: Start difference. First operand 2128 states and 2362 transitions. Second operand 7 states. [2019-10-22 08:58:38,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:38,199 INFO L93 Difference]: Finished difference Result 4693 states and 5195 transitions. [2019-10-22 08:58:38,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 08:58:38,199 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 185 [2019-10-22 08:58:38,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:38,205 INFO L225 Difference]: With dead ends: 4693 [2019-10-22 08:58:38,206 INFO L226 Difference]: Without dead ends: 2286 [2019-10-22 08:58:38,208 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:58:38,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2286 states. [2019-10-22 08:58:38,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2286 to 2127. [2019-10-22 08:58:38,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2127 states. [2019-10-22 08:58:38,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2127 states to 2127 states and 2354 transitions. [2019-10-22 08:58:38,251 INFO L78 Accepts]: Start accepts. Automaton has 2127 states and 2354 transitions. Word has length 185 [2019-10-22 08:58:38,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:38,251 INFO L462 AbstractCegarLoop]: Abstraction has 2127 states and 2354 transitions. [2019-10-22 08:58:38,252 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 08:58:38,252 INFO L276 IsEmpty]: Start isEmpty. Operand 2127 states and 2354 transitions. [2019-10-22 08:58:38,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-10-22 08:58:38,256 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:38,257 INFO L380 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] [2019-10-22 08:58:38,257 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:38,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:38,257 INFO L82 PathProgramCache]: Analyzing trace with hash -1003780014, now seen corresponding path program 1 times [2019-10-22 08:58:38,257 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:38,258 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898586123] [2019-10-22 08:58:38,258 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:38,258 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:38,282 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:38,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:38,397 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:38,398 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898586123] [2019-10-22 08:58:38,398 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:38,398 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:58:38,398 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158892787] [2019-10-22 08:58:38,399 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:58:38,399 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:38,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:58:38,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:58:38,399 INFO L87 Difference]: Start difference. First operand 2127 states and 2354 transitions. Second operand 4 states. [2019-10-22 08:58:38,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:38,982 INFO L93 Difference]: Finished difference Result 3829 states and 4242 transitions. [2019-10-22 08:58:38,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:58:38,982 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 194 [2019-10-22 08:58:38,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:38,985 INFO L225 Difference]: With dead ends: 3829 [2019-10-22 08:58:38,985 INFO L226 Difference]: Without dead ends: 1564 [2019-10-22 08:58:38,987 INFO L600 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 [2019-10-22 08:58:38,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1564 states. [2019-10-22 08:58:39,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1564 to 1563. [2019-10-22 08:58:39,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1563 states. [2019-10-22 08:58:39,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1563 states to 1563 states and 1686 transitions. [2019-10-22 08:58:39,015 INFO L78 Accepts]: Start accepts. Automaton has 1563 states and 1686 transitions. Word has length 194 [2019-10-22 08:58:39,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:39,015 INFO L462 AbstractCegarLoop]: Abstraction has 1563 states and 1686 transitions. [2019-10-22 08:58:39,015 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:58:39,015 INFO L276 IsEmpty]: Start isEmpty. Operand 1563 states and 1686 transitions. [2019-10-22 08:58:39,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2019-10-22 08:58:39,018 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:39,019 INFO L380 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] [2019-10-22 08:58:39,019 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:39,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:39,019 INFO L82 PathProgramCache]: Analyzing trace with hash 36518128, now seen corresponding path program 1 times [2019-10-22 08:58:39,019 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:39,019 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375231666] [2019-10-22 08:58:39,020 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:39,020 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:39,020 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:39,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:39,125 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-10-22 08:58:39,125 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375231666] [2019-10-22 08:58:39,125 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:39,125 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:58:39,125 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356539758] [2019-10-22 08:58:39,126 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:58:39,126 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:39,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:58:39,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:58:39,127 INFO L87 Difference]: Start difference. First operand 1563 states and 1686 transitions. Second operand 3 states. [2019-10-22 08:58:39,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:39,444 INFO L93 Difference]: Finished difference Result 3264 states and 3520 transitions. [2019-10-22 08:58:39,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:58:39,444 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 215 [2019-10-22 08:58:39,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:39,445 INFO L225 Difference]: With dead ends: 3264 [2019-10-22 08:58:39,445 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:58:39,447 INFO L600 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 [2019-10-22 08:58:39,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:58:39,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:58:39,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:58:39,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:58:39,447 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 215 [2019-10-22 08:58:39,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:39,447 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:58:39,448 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:58:39,448 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:58:39,448 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:58:39,452 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 08:58:39,658 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 31 [2019-10-22 08:58:39,792 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 31 [2019-10-22 08:58:39,796 INFO L443 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,796 INFO L443 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,796 INFO L443 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,796 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-10-22 08:58:39,796 INFO L443 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-10-22 08:58:39,796 INFO L443 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-10-22 08:58:39,796 INFO L443 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2019-10-22 08:58:39,797 INFO L443 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-10-22 08:58:39,797 INFO L443 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-10-22 08:58:39,797 INFO L443 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-10-22 08:58:39,797 INFO L443 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,797 INFO L443 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,797 INFO L443 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,797 INFO L443 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-10-22 08:58:39,797 INFO L443 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-10-22 08:58:39,797 INFO L443 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-10-22 08:58:39,797 INFO L443 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2019-10-22 08:58:39,797 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-10-22 08:58:39,797 INFO L443 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-10-22 08:58:39,797 INFO L443 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-10-22 08:58:39,797 INFO L443 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,798 INFO L443 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,798 INFO L443 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,798 INFO L443 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-10-22 08:58:39,798 INFO L443 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-10-22 08:58:39,798 INFO L443 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-10-22 08:58:39,798 INFO L443 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-10-22 08:58:39,798 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-10-22 08:58:39,798 INFO L443 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,798 INFO L443 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,798 INFO L443 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,798 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-10-22 08:58:39,798 INFO L443 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-10-22 08:58:39,798 INFO L443 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2019-10-22 08:58:39,799 INFO L443 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-10-22 08:58:39,799 INFO L443 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2019-10-22 08:58:39,799 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-10-22 08:58:39,799 INFO L443 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-10-22 08:58:39,799 INFO L443 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-10-22 08:58:39,799 INFO L443 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,799 INFO L443 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,799 INFO L443 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,799 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-10-22 08:58:39,799 INFO L443 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-10-22 08:58:39,799 INFO L443 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2019-10-22 08:58:39,799 INFO L443 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-10-22 08:58:39,799 INFO L443 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-10-22 08:58:39,799 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-10-22 08:58:39,799 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-10-22 08:58:39,800 INFO L443 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-10-22 08:58:39,800 INFO L443 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,800 INFO L443 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,800 INFO L443 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,800 INFO L443 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-10-22 08:58:39,800 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-10-22 08:58:39,800 INFO L443 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-10-22 08:58:39,800 INFO L443 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-10-22 08:58:39,800 INFO L443 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-10-22 08:58:39,800 INFO L443 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-10-22 08:58:39,800 INFO L443 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-10-22 08:58:39,800 INFO L443 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-10-22 08:58:39,800 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-10-22 08:58:39,800 INFO L443 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,801 INFO L443 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,801 INFO L443 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,801 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-10-22 08:58:39,801 INFO L443 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-10-22 08:58:39,801 INFO L443 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-10-22 08:58:39,801 INFO L443 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-10-22 08:58:39,801 INFO L443 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-10-22 08:58:39,801 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-10-22 08:58:39,801 INFO L443 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,801 INFO L443 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,801 INFO L443 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,801 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-10-22 08:58:39,801 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-10-22 08:58:39,801 INFO L443 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-10-22 08:58:39,801 INFO L443 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2019-10-22 08:58:39,802 INFO L443 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-10-22 08:58:39,802 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 08:58:39,802 INFO L443 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-10-22 08:58:39,802 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-10-22 08:58:39,802 INFO L443 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-10-22 08:58:39,805 INFO L443 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,805 INFO L443 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,805 INFO L443 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,805 INFO L443 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2019-10-22 08:58:39,805 INFO L443 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-10-22 08:58:39,805 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-10-22 08:58:39,805 INFO L443 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-10-22 08:58:39,805 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-10-22 08:58:39,805 INFO L443 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,805 INFO L443 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,806 INFO L443 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,806 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-10-22 08:58:39,806 INFO L443 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-10-22 08:58:39,806 INFO L443 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-10-22 08:58:39,806 INFO L443 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-10-22 08:58:39,806 INFO L443 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-10-22 08:58:39,806 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-10-22 08:58:39,807 INFO L443 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-10-22 08:58:39,807 INFO L443 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-10-22 08:58:39,807 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-10-22 08:58:39,807 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-10-22 08:58:39,807 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 08:58:39,807 INFO L443 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-10-22 08:58:39,807 INFO L443 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,807 INFO L443 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,807 INFO L443 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-10-22 08:58:39,807 INFO L443 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-10-22 08:58:39,807 INFO L443 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-10-22 08:58:39,807 INFO L443 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-10-22 08:58:39,807 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-10-22 08:58:39,807 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-10-22 08:58:39,808 INFO L443 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-10-22 08:58:39,808 INFO L443 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-10-22 08:58:39,808 INFO L443 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-10-22 08:58:39,808 INFO L439 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))))) [2019-10-22 08:58:39,808 INFO L443 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,808 INFO L443 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,808 INFO L443 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-10-22 08:58:39,808 INFO L443 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-10-22 08:58:39,808 INFO L443 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-10-22 08:58:39,809 INFO L443 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-10-22 08:58:39,809 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-10-22 08:58:39,809 INFO L443 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-10-22 08:58:39,809 INFO L446 ceAbstractionStarter]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-10-22 08:58:39,809 INFO L443 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,809 INFO L443 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,809 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-10-22 08:58:39,809 INFO L443 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-10-22 08:58:39,809 INFO L443 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2019-10-22 08:58:39,809 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-10-22 08:58:39,809 INFO L443 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-10-22 08:58:39,809 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-10-22 08:58:39,809 INFO L443 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-10-22 08:58:39,809 INFO L443 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-10-22 08:58:39,810 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-10-22 08:58:39,810 INFO L443 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,810 INFO L443 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,810 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-10-22 08:58:39,810 INFO L443 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-10-22 08:58:39,813 INFO L443 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-10-22 08:58:39,814 INFO L443 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-10-22 08:58:39,814 INFO L443 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-10-22 08:58:39,814 INFO L443 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-10-22 08:58:39,814 INFO L439 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))))) [2019-10-22 08:58:39,814 INFO L443 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,814 INFO L443 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,814 INFO L443 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-10-22 08:58:39,814 INFO L443 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-10-22 08:58:39,814 INFO L443 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-10-22 08:58:39,814 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-10-22 08:58:39,815 INFO L443 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-10-22 08:58:39,815 INFO L443 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,815 INFO L443 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,815 INFO L443 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2019-10-22 08:58:39,815 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-10-22 08:58:39,815 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-10-22 08:58:39,815 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-10-22 08:58:39,815 INFO L443 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-10-22 08:58:39,815 INFO L443 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-10-22 08:58:39,815 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-10-22 08:58:39,815 INFO L443 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-10-22 08:58:39,815 INFO L443 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-10-22 08:58:39,815 INFO L443 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,815 INFO L443 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,815 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-10-22 08:58:39,816 INFO L443 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,816 INFO L443 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-10-22 08:58:39,816 INFO L443 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-10-22 08:58:39,816 INFO L443 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2019-10-22 08:58:39,816 INFO L443 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-10-22 08:58:39,816 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-10-22 08:58:39,816 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 08:58:39,816 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-10-22 08:58:39,816 INFO L443 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,816 INFO L443 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,816 INFO L443 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,816 INFO L443 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-10-22 08:58:39,816 INFO L443 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-10-22 08:58:39,816 INFO L443 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-10-22 08:58:39,816 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-10-22 08:58:39,817 INFO L443 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-10-22 08:58:39,817 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 523) no Hoare annotation was computed. [2019-10-22 08:58:39,817 INFO L443 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,817 INFO L443 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,817 INFO L443 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,817 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-10-22 08:58:39,817 INFO L443 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-10-22 08:58:39,817 INFO L443 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-10-22 08:58:39,817 INFO L443 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-10-22 08:58:39,817 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-10-22 08:58:39,817 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-10-22 08:58:39,817 INFO L443 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,817 INFO L443 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,817 INFO L443 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,818 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-10-22 08:58:39,818 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-10-22 08:58:39,818 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-10-22 08:58:39,818 INFO L443 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-10-22 08:58:39,818 INFO L443 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-10-22 08:58:39,820 INFO L443 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-10-22 08:58:39,820 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 08:58:39,820 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-10-22 08:58:39,820 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-10-22 08:58:39,820 INFO L443 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,820 INFO L443 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,821 INFO L443 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,821 INFO L443 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-10-22 08:58:39,821 INFO L443 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2019-10-22 08:58:39,821 INFO L443 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-10-22 08:58:39,821 INFO L443 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2019-10-22 08:58:39,821 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-10-22 08:58:39,821 INFO L443 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,821 INFO L443 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,821 INFO L443 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:58:39,821 INFO L443 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-10-22 08:58:39,821 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-10-22 08:58:39,821 INFO L443 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-10-22 08:58:39,821 INFO L443 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2019-10-22 08:58:39,821 INFO L443 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-10-22 08:58:39,821 INFO L443 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-10-22 08:58:39,822 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-10-22 08:58:39,822 INFO L443 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-10-22 08:58:39,822 INFO L443 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-10-22 08:58:39,822 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-10-22 08:58:39,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:58:39 BoogieIcfgContainer [2019-10-22 08:58:39,850 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:58:39,850 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:58:39,850 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:58:39,851 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:58:39,851 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:30" (3/4) ... [2019-10-22 08:58:39,854 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:58:39,873 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 08:58:39,876 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 08:58:40,005 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7d73e046-2499-434d-80b7-9e16ac07d683/bin/uautomizer/witness.graphml [2019-10-22 08:58:40,005 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:58:40,006 INFO L168 Benchmark]: Toolchain (without parser) took 12204.70 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 394.3 MB). Free memory was 940.6 MB in the beginning and 1.3 GB in the end (delta: -382.2 MB). Peak memory consumption was 12.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:40,006 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:58:40,007 INFO L168 Benchmark]: CACSL2BoogieTranslator took 644.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -168.1 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:40,007 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.73 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:40,007 INFO L168 Benchmark]: Boogie Preprocessor took 49.66 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: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:40,007 INFO L168 Benchmark]: RCFGBuilder took 1608.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 991.1 MB in the end (delta: 108.1 MB). Peak memory consumption was 108.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:40,008 INFO L168 Benchmark]: TraceAbstraction took 9668.17 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 258.5 MB). Free memory was 991.1 MB in the beginning and 1.3 GB in the end (delta: -356.0 MB). Peak memory consumption was 284.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:40,008 INFO L168 Benchmark]: Witness Printer took 154.49 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:40,010 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 644.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -168.1 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 74.73 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.66 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: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1608.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 991.1 MB in the end (delta: 108.1 MB). Peak memory consumption was 108.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9668.17 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 258.5 MB). Free memory was 991.1 MB in the beginning and 1.3 GB in the end (delta: -356.0 MB). Peak memory consumption was 284.6 MB. Max. memory is 11.5 GB. * Witness Printer took 154.49 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 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: 9.5s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 7.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 893 SDtfs, 2186 SDslu, 285 SDs, 0 SdLazy, 5734 SolverSat, 861 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 14 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s 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: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 1866 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 42 NumberOfFragments, 189 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2041 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 298 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s 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...